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SuperHTM RISC engine Simulator/Debugger User`s Manual

1. esseeseeseeeeeeeeeeeneene ener 174 Section 4 WIBEHONS i eie tenrian E Vti asina itn tcd mn a Aa cHi aua E 175 Section 5 Command LIB685 2 unies den Net eee pee 177 5 1 Commands Functional Order esses eene eene nennen nnn 177 Sll EXeCUUOnD iiec pepe tede e Santee 177 5 1 2 Download ette ettet Lee ele A cde ad Cen eed ev Ee De e pe DRE E 178 iv 3 1 3 RePgISIef iere e Ren ee ts en eee eSI E tbe t Vosa EE 178 5 1 4 Register Bank SH2A FPU Only enne nennen 179 5 15 Memory itt rp te i be m e or epe i rede vvs mre ep dre dn 179 5 1 6 Assemble Disassemble eee eee eiaa NE E cai ade 179 RSEN de ER 180 ANE TEACO E 180 3 L9 Coverage morerei e HORE ERREUR YE EUER EXE cueing ON VAR E ERROR ERREUR eds 181 5 110 Performante reiia rieo praras i aE raie Ae sapesuboses edeensed cdee sana 181 5 1 11 ij E 181 SLD SCrpwlioe NSn e 182 2 1 13 Memory Resources nei REM EIE HIER sacs sielaesiehisssuestas 182 5 1 14 Simulator Debugger Settings sees eene emen 182 5 1 15 Standard VO and File I O edite ente cine eire eite eive 183 Slo Utility ocior eese en M LLL T ILL E 183 2 1 L7 ProjecU Workspace uo SR Rn Ger PER PIE IE eapite 184 5 118 Test Tool Facility i teste e AREE epe ave gu Tapa ERSTE o va SERRE SES 184 5 2 Commands Alphabetical Order eese enne nennen nennen 185 vi
2. Table 5 1 Simulator Debugger Commands cont No Command Name Abbreviation Function 49 FILE_UNLOAD FU Unloads an object program file from memory 50 FILE UNLOAD ALL UA Unloads all object program files from memory 51 FILE VERIFY FV Verifies file contents against memory 52 GENERATE MAKE FILE GM Generates a build makefile for the current workspace 53 GO GO Executes user program 54 GO RESET GR Executes user program from reset vector 55 GO TILL GT Executes user program until temporary breakpoint 56 HALT HA Halts the user program 57 HELP HE Displays the command line help 58 INITIALIZE IN Initializes the debugging platform 59 LOG LO Controls command output logging 60 MAP_DISPLAY MA Displays memory resource settings 61 MAP SET MS Allocates a memory area 62 MEMORY COMPARE MC Compares memory contents 63 MEMORY DISPLAY MD Displays memory contents 64 MEMORY EDIT ME Modifies memory contents 65 MEMORY FILL MF Modifies the content of a memory area by specifying data 66 MEMORY FIND MI Finds a string in an area of memory 67 MEMORY MOVE MV Moves a block of memory 68 MEMORY TEST MT Tests a block of memory 69 OPEN TEST SUITE OTS Opens a test suite 70 OPEN WORKSPACE OW Opens a workspace 71 PROFILE PR Enables or disables profile 72 PROFILE DISPLAY PD Displays profile information 73 PROFILE SAVE PS Saves the profile information to file 74 QUIT QU Exits HEW 75 RADIX RA Sets default input radix 76 REFRESH SESSION RS
3. Instruction Type Instruction Subroutine Trace Buffer Full Handling Continue C Break Trace Capacity 1024 records Figure 7 8 Trace Acquisition Dialog Box e Set Trace Start Stop to Enable in the Trace Acquisition dialog box and click the OK button to enable the acquisition of the trace information 205 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 2 8 Setting the Stack Pointer and Program Counter To execute the program the program counter must be set from the location of the reset vector In the reset vector of the sample program the PC value H 800 is written and the SP value H OFFFFFFO is written e Select Reset CPU from the Debug menu or click the Reset CPU button on the toolbar Set the program counter to H 800 and the stack pointer to H OFFFFFFO from the reset vector Figure 7 9 Reset CPU Button 7 3 Start Debugging 7 3 1 Executing a Program e Select Go from the Debug menu or click the Go button on the toolbar n e Figure 7 10 Go Button The program halts where a breakpoint is set An arrow is displayed in the Source window indicating the location the execution has stopped As the termination cause PC Breakpoint PC H 000013F8 is displayed in the Output window 206 RENESAS SuperH RISC engine Simulator Debugger User s Manual E Tutorial c TETE x main void long a
4. ANALYSIS AN Enables or disables performance analysis ANALYSIS_RANGE AR Sets or displays performance analysis functions ANALYSIS_RANGE_DELETE AD Deletes a performance analysis range PROFILE PR Enables or disables profile PROFILE_DISPLAY PD Displays profile information PROFILE_SAVE PS Saves the profile information to file 5 1 11 Watch Command Name WATCH_ADD Abbreviation WA Function Adds an item for watching WATCH_AUTO_UPDATE WU Selects or cancels automatic updating of watched items WATCH_DELETE WD Deletes a watched item WATCH_DISPLAY WI Displays the contents of the Watch window WATCH_EDIT WE Edits the value of a watched item WATCH_EXPAND WX Expands or collapses a watched item WATCH_RADIX WR Changes the radix for display of watched items WATCH_RECORD WO Outputs the history of updating of the values of a watched item to a file WATCH SAVE WS Saves the contents of the Watch window to a file 181 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 2 Script Logging Command Name Abbreviation Function Comment ASSERT Checks if an expression is true or false AUTO COMPLETE AC Enables or disables the auto complete function ERASE ER Clears the Command Line window EVALUATE EV Evaluates an expression LOG LO Controls command output logging SLEEP Delays command execution SUBMIT SU Executes a command file TCL Displays TCL information
5. 65 3 3 6 Viewing the Names of Connected Peripheral Functions sess 65 Using the Simulator Debugger Breakpoints essere 66 3 4 1 Listing the Breakpoints iecore de rtp ot Pop D er Hee ER 66 3 4 2 Setting Breakpoimt iuiuuie exe et Hee EC Pe ERVE E EE Re EE VOR YE Rr ERE CEN 68 3 4 3 Modifying Breakpount cc c sscceesdvactonsdeattontesacssadsaseescesstsaansanesesedieasapedsaseas 79 3 4 4 Enabling a Breakpoint eese een eene eren rennnene 79 3 4 5 Disabling a Breakpoint ssessesseeeeseeeeeneeene eren eere retener 79 3 46 Deleting Break pot ccs ueneno RU e HEU IEEE ESS 79 3 4 7 Deleting All Breakpoints eese eene eene eren 79 3 4 8 Viewing the Source Line for a Breakpoint eese 80 34 9 Closing Input or Output File eere rtt rene ite ee e rrt itn 80 3 4 10 Closing All Input and Output Files eene 80 Viewing Trace Information esee nennen nennen nene n nennen 81 3 5 1 Opening the Trace WindOw e ettet retener ertet n dedi 81 3 5 2 Specifying Trace Acquisition Conditions esee 81 3 5 3 Acquiring Trace Information sess em rem nennen 83 3 5 4 Searching for a Trace Record ssssssssssseeeeeeeeeneennen nennen 91 3 5 5 Clearing the Trace Information essere 92 3 5 6 Saving the Trace Information in
6. HO Data mask 9 HFFFFFFFF Size Long word Y Sign s igned v Figure 3 22 Set Data Break Condition Dialog Box Data break conditions should be set as follows Up to 1024 data break conditions can be specified Address Address in memory for which the break condition is specified Option How the data value is used to form the condition that must be satisfied for break generation Equal The value written to memory matches Data Not equal The value written to memory does not match Data Inverse sign The sign of the value written to memory is the inverse of that for the previous value Difference The difference between the current and previous values written to memory exceeds Data Data Data value used in the break condition Data mask Mask condition specifying 0 for a bit masks the bit This option is only available when Equal or Not equal has been selected Size Data size Sign Sign of the data This option is only available when Difference has been selected Note Since Inverse sign and Difference require comparison of the data with the value previously written to memory the break will never occur on the first test after a reset or break generation when either of these conditions has been selected 74 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Point for Caution For the SH3 DSP series specify values within the range of addresses H A5000000 to H
7. The trace information can be searched The search conditions can be specified in the Trace Search dialog box Right clicking on the Trace window displays the pop up menu Choose Find from the pop up menu to display the Trace Search dialog box For details refer to section 3 5 Viewing Trace Information 29 RENESAS 2 15 SuperH RISC engine Simulator Debugger User s Manual Standard I O and File I O Processing The simulator debugger enables the standard I O and file I O processing listed in table 2 8 to be executed by the user program When the I O processing is executed the Simulated I O window must be open Table 2 8 shows the supported I O functions Table 2 8 T O Functions Function No Code Function Name Description 1 H 21 GETC Inputs one byte from the standard input 2 H 22 PUTC Outputs one byte to the standard output 3 H 23 GETS Inputs one line from the standard input 4 H 24 PUTS Outputs one line to the standard output 5 H 25 FOPEN Opens a file 6 H 06 FCLOSE Closes a file 7 H 27 FGETC Inputs one byte from a file 8 H 28 FPUTC Outputs one byte to a file 9 H 29 FGETS Inputs one line from a file 10 H 2A FPUTS Outputs one line to a file 11 H OB FEOF Checks for end of the file 12 H 0C FSEEK Moves the file pointer 13 H OD FTELL Returns the current position of the file pointer For details on I O functions refer to section 3 10 Standard I O and File I O Processing 30 RE
8. eee erinnert etn ebrio ib ere na etna esas 212 vi 7 3 5 7 3 6 7 3 7 7 3 8 Checking the Breakpoint eese een eem enne 213 Watching Variables siipien nero e SE EA 213 Executing the Program in Single Steps sesesssensessesessssresessiesesserersnssessesseesessses 215 Checking Profile Information cic sese rennen 219 RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 1 Overview The simulator debugger is a powerful development environment tool for embedded applications running on Renesas Technology microcomputers The simulator debugger is used with the High performance Embedded Workshop HEW The HEW provides a graphical user interface that eases the development and debugging of applications written in the C C programming languages or assembly language for Renesas Technology microcomputers Its aim is to provide a powerful yet intuitive way of accessing observing and modifying the debugging platform on which the application is running READ the simulator debugger and HEW help information before using the simulator debugger RENESAS SuperH RISC engine Simulator Debugger User s Manual RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 2 Simulator Debugger Functions This section describes the functions of the SuperH RISC engine simulator debugger 2 1 Features e Since the simulator debugger runs on a host computer software debugging can
9. A value can be directly input in the window 3 12 3 Flushing the Cache Contents Selecting Flush from the pop up menu flushes cache All V U and LRU bits are cleared to 0 and all cache entries are invalidated Note that during execution of an instruction the Flush menu is disabled and cache cannot be flushed 151 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 12 4 Searching the Cache Items Selecting Find from the pop up menu opens the Find Cache dialog box in which a cache item can be searched for in column units Note that during execution of an instruction the Find menu is disabled and the cache item cannot be searched for Find Cache Find Column Tag ddress m Cancel Find Value rr o0000000 Figure 3 76 Find Cache Dialog Box This dialog box searches for a cache item The following search conditions can be specified Find Column Item to be searched for Find Value Value to be searched for After setting the search conditions the search can be started by clicking the OK button As a result the matching entry is highlighted Clicking the Cancel button closes the dialog box without searching for a cache item 3 12 5 Continuing the Cache Search The next matching cache item can be searched for with the search conditions that have previously been set In the state where a matching cache item was found in the preceding search select Find Next from t
10. Cancel Figure 3 6 Set State Dialog Box Normal Memory Inserted Idle Cycle Number of idle cycles to be inserted when the access type changes from read to write or when the access area changes corresponds to the AnIW in WCR1 Inserted Wait Cycle Number of wait state cycles to be inserted in all accesses corresponds to the AnW in WCR2 55 RENESAS SuperH RISC engine Simulator Debugger User s Manual DRAM Set State Inserted Idle Cycle 15 CAS Assertion Width 16 z Figure 3 7 Set State Dialog Box DRAM Inserted Idle Cycle Number of idle cycles to be inserted when the access type changes from read to write or when the access area changes corresponds to the AnIW in WCR1 CAS Assertion Width CAS assertion width corresponds to the AnW in WCR2 SDRAM Set State Inserted Idle Cycle 15 i CAS Latency Cycle 1 Cancel Figure 3 8 Set State Dialog Box SDRAM Inserted Idle Cycle Number of idle cycles to be inserted when the access type changes from read to write or when the access area changes corresponds to the AnIW in WCR1 CAS Latency Cycle Number of CAS latency cycles corresponds to AnW in WCR2 56 RENESAS SuperH RISC engine Simulator Debugger User s Manual MPX Set State Inserted Idle Cycle 15 m First Read Cycle 3 Cancel First Write Cycle Second After Cycle Figure 3 9 Set State Dialog Box MPX Inserted Idle
11. from the main menu 98 RENESAS SuperH RISC engine Simulator Debugger User s Manual Options Build Editor Debug Workspace Confirmation Network m Display confirmation dialogs for MJExternal editor change warning Set All MIGo when no programs downloaded Initialize Target Clear All Invalid macro initial directory vw Keyboard shortcut overwrite Load Program k Information Fil Loading Labels Lose session changes on refresh acro recording with non supported target ested symbols expansion eload out of date download modules Save Coverage at Session Saving Save Coverage data again after save Save file changes before mode switch Save memory Saving Labels v Show component dialog on workspace open v Switch from disassembly to new source Unload Program iwi warm on clean build Warning when workspace and or project is read only Cancel Figure 3 37 Options Dialog Box 99 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 4 Enabling the Profile Choose View gt Performance gt Profile to open the Profile window Choose Enable Profiler from the pop up menu of the Profile window The item on the menu will be checked 3 6 5 Specifying Measurement Mode You can specify whether to trace functions calls while profile data is acquired When function calls are traced the relations of function calls during user program execution are displayed as a
12. 0000119c R6 RO 0c R15 R15 PR GR15 R14 RIS R13 R15 Pc lt 0000118 R13 lt 00000000 R1 D0000000 T 0 T O R6 00000001 PC 0000119c RO lt 00000001 R15 FFFFE28 PR 000035B98 R14 FFFE 01C R13 D0006146 PC 00003598 RTS NOP 210 Figure 7 14 Trace Window Trace Information Display RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 3 3 Performing Trace Search Click the right mouse button on the Trace window to launch the pop up menu and select Find to open the Trace Search dialog box Trace Search ltem so C Cycle Cancel C Address Instruction Value BRA Figure 7 15 Trace Search Dialog Box Setting the item to be searched to Item and the contents to be searched to Value and clicking the OK button begins the trace search When the searched item is found the first line is highlighted To continue searching the same contents Value click the right mouse button in the Trace window to display the pop up menu and select Find Next from the pop up menu The next searched line is highlighted 211 RENESAS SuperH RISC engine Simulator Debugger User s Manual 101 xi Cycle Address Pipeline Instruction Access Data Source 0000057043 OO00100E fD gt E Pce lt 0000118 RTS 0000057046 00001010 FF D gt E NOP 0000057047 O000118 FFDE gt FF R13 R13 lt 00000000 0000057049 O000118E f
13. Disable Simulator I O addr Address for the above simulated I O On chip ROM mode Internal ROM capacity SH2A FPU only Disable Internal ROM is disabled Enable 128K byte 128 Kbytes Enable 256K byte 256 Kbytes Enable 512K byte 512 Kbytes Enable 1M byte 1 Mbytes Enable 2M byte 2 Mbytes Bus mode Currently cannot be used by the simulator debugger 45 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 2 Modifying the Simulator Debugger Settings This section describes how to modify the simulator system memory map and memory resource settings after the simulator debugger is started 3 2 1 Modifying the Simulator System The System tab in the Simulator System dialog box is used to modify the location to start the simulated I O or execution mode Choose Setup gt Simulator gt System or click the Simulator System toolbar button tt to open the System tab in this dialog box Simulator System System Memory CPU So Bit size Simulated 1 0 Address V Enable D32 H 00000004 Bl Endian Execution Mode Bia Endian Stop Detail Clock Rate Response D 1 D 40000 Step Unit Stage Figure 3 3 Simulator System Dialog Box System Tab 46 RENESAS SuperH RISC engine Simulator Debugger User s Manual The following items can be specified in this dialog box CPU Current CPU The CPU must be specified in the Debug Setting
14. P Instruction pre decode SH 4A series only D Instruction decode E Instruction execution M Memory access W Write back Refer to the software manual of each device for more information on pipeline operation When a functional simulator is in use there is no pipeline information In this case x will be displayed here If the pipeline information exceeds the display space the right edge of the Pipeline column the display continues from the start the left edge of the column 89 RENESAS Instruction Access Data Source Label 90 SuperH RISC engine Simulator Debugger User s Manual Executed instruction mnemonic Data access information display format destination accessed data C C or assembly language source program Labels RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 5 4 Searching for a Trace Record Use the Trace Search dialog box to search for a trace record To open this dialog box choose Find from the pop up menu Trace Search Item __ Cancel C Cycle Cancel C Address Instruction Value BRA Figure 3 33 Trace Search Dialog Box This dialog box specifies the conditions for searching trace information Specify a search item in Item and search for the specified contents in Value PTR Pointer in the trace buffer 0 for the last executed instruction specify in the form of nnn Cycle Total number of instruction exe
15. jv Hot Use Mast Datas l A fe a ee PS E ed Bib Sp Tiual zl BICI BUT rg H o0000000 H 00000000 Figure 3 60 Set Button Dialog Box 129 z ENESAS SuperH RISC engine Simulator Debugger User s Manual This dialog box allows the user to specify the details of the pseudo interrupt to be generated by pressing each button Button Name Specifies a name for the button the name will be displayed in the GUI I O window Select Button Type Select Input or Input and Interrupt Interrupt Interrupt Typel Sets the following values for each CPU SH 1 SH 2 and SH2 DSP series Interrupt vector number SH2A FPU Interrupt vector number SH 3 SH 4 and SH3 DSP series INTEVT H 0 to H FFF SH 4A series INTEVT H 0 to H 3FFF Interrupt Type2 Only selectable for the SH3 DSP series INTEVT2 H O to H FFF Priority Interrupt priority H O to H 11 when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation When H 10 is specified the interrupt is always accepted regardless of the value of the I bit value in SR but is masked by the BL bit in SR When H 11 is specified the interrupt is always accepted regardless of the I and BL bit values in SR 130 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 10 Standard I O and File I O Processing Use the Simulated I O window to enable the simulation for standard I O and file I O from the use
16. ANALYSIS RANGE AD Deletes a performance analysis range DELETE 6 ASSEMBLE AS Assembles instructions into memory 7 ASSERT Checks if an expression is true or false 8 AUTO COMPLETE AC Enables or disables the auto complete function 9 BREAKPOINT BP Sets a breakpoint at an instruction address 10 BREAK_ACCESS BA Specifies a memory range access as a break condition 11 BREAK CLEAR BC Deletes breakpoints 12 BREAK CYCLE BCY Specifies a cycle as a break condition 13 BREAK DATA BD Specifies a memory data value as a break condition 14 BREAK DATA BDD Specifies a difference between two values of data in DIFFERENCE memory as a break condition 15 BREAK DATA BDI Specifies inversion of the sign of a value of data in INVERSE memory as a break condition 16 BREAK DISPLAY BI Displays a list of breakpoints 17 BREAK ENABLE BE Enables or disables a breakpoint 18 BREAK REGISTER BR Specifies a register data as a break condition 19 BREAK SEQUENCE BS Sets sequential breakpoints 20 BUILD BU Performs a build on the current project 21 BUILD ALL BL Performs a build all on the current project 22 BUILD FILE BF Compiles files 23 BUILD MULTIPLE BM Builds multiple projects 185 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 5 1 Simulator Debugger Commands cont No Command Name Abbreviation Function 24 CACHE Sets caching on or off 25 CHANGE CC Sets the
17. Core XRAM internal XRAM YRAM internal YRAM URAM user RAM EXT external memory I O internal I O SH 4 SH 4 SH7750R NORMAL normal memory INTRAM internal RAM I O internal I O SH 4BSC NORMAL normal memory MPX Multiplex BCSRAM byte control SRAM BSTROM burst ROM and burst count DRAM DRAM SDRAM synchronous DRAM INTRAM internal RAM I O internal I O SH 4A LRAM internal RAM URAM user RAM EXT external memory I O internal I O SH4AL DSP XRAM internal XRAM YRAM internal YRAM URAM user RAM EXT external memory I O internal I O 51 RENESAS Note SuperH RISC engine Simulator Debugger User s Manual For the SH 4BSC the following must be noted The access cycle count is displayed as Memory map entries cannot be newly created or canceled Therefore only the Modify button can be used for Memory Map For the internal RAM and I O the memory map entries cannot be modified To enable or disable the internal RAM use the ORA bit of the CCR control register The memory map contents depend on the BSC settings in addition to the settings in the Memory Map Modify dialog box If the memory map contents cannot be types and for the bus width Memory Map and Memory Resource can be reset to the default value by the 8 button Clicking the OK or Apply button stores the modified settings Clicking the Cancel button closes this dialog box without modifying
18. DMAQC esee 8 2 5 External Internal Clock R tio eee retten toner inb Ehre aas 9 2 6 Endidn sncisascg epe aD INTE 9 2 7 Memory Management Unit MMU essere een enne nennen nnne 10 L MEES IEEE 12 2 8 1 Displaying Cache Contents seen 12 28 2 Cache Hit Rate uiuo nipote e e iter i eet e HER 18 21 bu wn 19 2 0 Supported Range ae ia etre or En ehh ce eoe ER Pep EE dpa 19 2 0 2 Control Registers iet eene ero iei SER ioni sS teri E TUR ETR P CERE ERG 19 yA MEG EE 21 294 Using Min dM 21 2 0 5 Noteson Using a TIME oe rie rrr a Fed Hei ua 22 2 10 Control Registers e 23 2 11 Pipeline Reset Processing sopinee reete t he rie bete tI eres eventos 25 2 12 Exception Processing i eerte tee cree le debis Eu eroe cba ute 26 2 13 Memory Managenient e rerit nieasg inne eere eter eerte te ee NEL Eo voe erigere st ise prend 28 2 14 Trace bene eei SEO D EHE REN Et 29 2 15 Standard I O and File I O Processing eee esee 30 2 16 Break Conditions iiie eani epe i o pt 31 217 Floating Point Data eoi e Lente rl OE Reese ke eR Lene debe E LG E Ree ua oolubewdbcame 35 2 18 Display of Function Call History ict tette be rir ere Hte eee thes 36 2 19 Performance Measurement eio eco etienne eiie Rari ge ra PER Sere Bona ge Tels nega eis 37 2 19 1 Profile uiii Ree eai ted irte tertie ee 37 2 19 2 Performance Analysis eee eter neret te tena ken dud rab eek uae st
19. Figure 3 38 List Sheet oe _sort _change _charput _open _close A i 84 0 16932 0 0 1223 79 1013 68 _read n ui write _iseek INIT IOLIB CLOSEALL E F F F F F EF E F F F F F F NRORPKHPONOWWYNHHHE oooo0oo0c0c 0c 0 0 0 0 00 Clicking the column header sorts the items in an alphabetical or ascending descending order Clicking the Function Variable or Address column displays the source program corresponding to the address in the line Right clicking on the mouse within the window displays a pop up menu For details on this pop up menu refer to section 3 6 8 Tree Sheet 101 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 8 Tree Sheet This sheet displays the relation of function calls along with the profile data that are values when the function is called This sheet is available when Disable Tree Not traces function call is not selected from the pop up menu in the Profile window Profile C Hew3 Samp PowerON EC printf O000171c H O0000003C H O0000008 _rand 00001758 H 00000030 H OO000004 change 00001150 H 00000070 H 00000030 sort 000010582 H O0000009E H 00000020 INITSCT 0000154c H 00000000 H O0000000 CLOSEALL 00001444 H 00000070 H 0000000c INIT 00001372 H 00000132 H 00000010 mermove 00004604 H 0000006A H 00000004 Smemcpyl DoDO3FSE H O0000056 H 00000004 S f
20. H 10000000 to H 13FFFFFF area 4 Normal memory byte control SRAM and MPX H 14000000 to H 17FFFFFF area 5 Normal memory burst ROM and MPX H 18000000 to H 1BFFFFFF area 6 Normal memory burst ROM and MPX H 1C000000 to H 1FFFFFFF area 7 Cannot be specified H 7C000000 to H 7C001FFF Internal RAM cannot be changed H E0000000 to H FFFFFFFF I O cannot be changed The high order three bits of the addresses for areas 0 to 7 in table 2 2 must be ignored H 00000000 and H 20000000 are both in area 0 The simulator debugger does not support the PCMCIA interface For details on settings of memory mapping refer to section 3 2 2 Modifying the Memory Map and Memory Resource Settings 2 4 2 Direct Memory Access Controller DMAC For the SH 4BSC the simulator debugger simulates the 4 channel DMAC operations the user program using the DMAC can be debugged For the SH 4 and SH 4 SH7750R the DMA function cannot be used RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 5 External Internal Clock Ratio The external internal clock ratio is 1 1 This can be modified by the CLOCK_RATE command only for the SH 4 series For details on the CLOCK_RATE command refer to the help information of the simulator debugger 2 6 Endian In the SH 2 series SH 3 SH 3E SH3 DSP series SH 4 series SH 4A series SH2 DSP SH7065 and SH2 DSP SH7612 the byte order according to little endian as well as big endian can be speci
21. However during command access the SH 2DSP core directly accesses those registers without using the temporary register The user can select whether or not to cause a break when a timer interrupt occurs This can be set in the Simulator System dialog box or by the EXEC_STOP_SET command RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 10 Control Registers For the SH 3 SH 3E SH3 DSP series SH 4 series and SH 4A series the simulator debugger supports the memory mapped control registers that are used for exception processing MMU control and cache control In addition for the SH 4 series the simulator debugger also supports the control registers that are used for BSC and DMAC control For the SH2A FPU the simulator debugger supports the memory mapped control registers that are used for cache control and register bank control For the SH2 DSP SH7612 the simulator debugger only supports the CCR register that is used for cache control Therefore a user program using exception processing MMU control cache control BSC control and DMAC control can be simulated and debugged For control registers related to timers refer to section 2 9 2 Control Registers The control registers supported by the simulator debugger are listed below MMU PTEH Page table entry high register PTEL Page table entry low register TTB Translation table base register TEA TLB exception address register MMUCR MMU control register PASC
22. eel Figure 3 4 Simulator System Dialog Box Memory Tab The following items can be specified in this dialog box Memory Map Displays the memory type start and end addresses data bus width and the number of access cycles Memory Resource Displays the access type and start and end addresses of the current memory resource 49 RENESAS SuperH RISC engine Simulator Debugger User s Manual Memory Map can be added modified or deleted using the following buttons a Adds Memory Map items Clicking this button opens the Set Memory Map dialog box figure 3 5 and memory map items can be added al Modifies Memory Map items Select an item to be modified in the list box and click this button The Set Memory Map dialog box figure 3 5 opens and memory map items can be modified a Deletes Memory Map items Select an item to be deleted in the list box and click this button Memory Resource can be added modified or deleted using the following buttons a Adds Memory Resource items Clicking this button opens the Set Memory Resource dialog box and memory map items can be specified al Modifies Memory Resource items Select an item to be modified in the list box and click this button The Set Memory Resource dialog box opens and memory map items can be modified a Deletes Memory Resource items Select an item to be deleted in the list box and click this button Memory Resource is
23. i ktgap i lt 10 i itgap 00001472 for jzi gzap j gt k j j 00001474 if aLil aLi zap 1 00001434 t ali 000149E ali alitgap 00001466 alitgap t Figure 7 22 Source Window Step In e The PC location display gt in the Source window moves to the statement at the start of the sort function 216 RENESAS SuperH RISC engine Simulator Debugger User s Manual Step Out Steps out of the called function and stops at the next statement in the called program e Select Step Out from the Debug menu to exit the sort function or click the Step Out button on the toolbar UM Figure 7 23 Step Out Button Tutoriale eae Source Ad o s swe 00001340 pn main void long amp 10 min max long j int i 00001346 printf tt Data Input fiin 000013B2 for iz0 i410 itt Jf 000013B j rand 00001362 if lt 001 00001366 ee 00001368 ali j 000013D4 printf a Sd 231dXn i a i 000013F8 sort a 000013FE gt 00001404 for iz 0 i410 i 00001412 printf a 3d 731dXn i a i 00001436 00001438 00001434 0000143C 0000143E 00001444 00001448 0000144E 0 8 nng n Hn od Figure 7 24 Source Window Step Out 217 RENESAS SuperH RISC engine Simulator Debugger User s Manual Step Over Executes a function call in a single step and stops at the next statement in the main program Select St
24. m This window displays the operand cache contents The selected entry is displayed in green Each way has a sheet and the contents are displayed when the tab for the sheet to be displayed is clicked Invalid ways are displayed in gray The SH 4 and SH 4BSC have only one way RENESAS 147 SuperH RISC engine Simulator Debugger User s Manual The following items are displayed in the operand cache window Entry Entry number in the operand cache depends on the cache capacity V Validity bit When this bit is 1 the entry is valid U Update bit When this bit is 1 the entry has been written to LRU Numerical string that determines which way s entry should be replaced when a cache miss occurs The same LRU value is assigned to the same entry in all ways Tag Address Tag address Longword0 to Longword data 0 to 7 set to the operand cache entry Longword7 In the SH2A FPU longward data 0 to 3 148 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Level 2 cache window 4 Level 2 Cache Tag Address Longword0 Longwordl Longword2 Longword3 H 0000 H 0001 B o00000 H O0000000 H OO000000 H 00000000 H 00000000 H o0000000 H o0002 B o00000 H O0000000 H O0000000 H 00000000 H 00000000 H O0000000 H 0003 B o00000 H 00000000 H O0000000 H 00000000 H 00000000 H O0000000 H 0004 B o00000 H O O000000 H O0000000 H 00000000 H 00000000 H o0000000 H 0005 B o00000 H O0000000 H O0000000 H
25. tree diagram When not traced the relations of function calls cannot be displayed but the time for acquiring profile data can be reduced To stop tracing function calls choose Disable Tree Not traces function call from the pop up menu in the Profile window a check mark is shown to the left of the menu item When acquiring profile data of the program in which functions are called in a special way such as task switching in the OS stop tracing function calls 3 6 6 Executing the Program and Checking the Results After the user program has been executed and execution has been halted the results of measurement are displayed in the Profile window The Profile window has two sheets a List sheet and a Tree sheet 100 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 7 List Sheet This sheet lists functions and global variables and displays the profile data for each function and variable P Profile E ay Show Functions V ariables m on Function Varisble Lv address asee ____ rime cree nt nem 1 0 aces not semja 00001000 H OO0000B2 000010582 H OOOO009E 00001150 nH O00000070 00001ic0 H O00000000 00001200 H ODO00008E 0000128 H O00000020 DoO0izAE H O0000066 00001314 nH 00000056 00001364 nH OO0000008 00001372 H 00000132 00001444 H O00000070 _sbrk 00001514 00000038 INITSCT 0000154c H 00000000 3414 12 slow strempl 00001554 H DODDODOO 337 46 0 Dus es 7
26. window opens specify the trace acquisition conditions in the Trace Acquisition dialog box To open this dialog box choose Acquisition from the pop up menu Trace Start Stop i i Cancel Instruction Type Instruction C Subroutine Trace Buffer Full Handling Continue C Break Trace Capacity 1024 records Figure 3 27 Trace Acquisition Dialog Box 81 RENESAS SuperH RISC engine Simulator Debugger User s Manual This dialog box specifies the conditions for trace information acquisition Trace Start Stop Disable Disables trace information acquisition Enable Enables trace information acquisition Instruction Type Instruction Acquires trace information for all instructions Subroutine Acquires trace information for the subroutine instructions only Trace Buffer Full Handling Continue Continues acquiring trace information even if the trace information acquisition buffer becomes full Break Stops execution when the trace information acquisition buffer becomes full The trace buffer capacity can be selected from 1 Kbyte 1 024 records 4 Kbytes 4 096 records 16 Kbytes 16 384 records 32 Kbytes 32 768 records 64 Kbytes 65 536 records 128 Kbytes 131 072 records or 256 Kbytes 262 144 records in Trace Capacity Clicking the OK button stores the settings Clicking the Cancel button closes this dialog box without modifying the settings 82
27. 00000000 H 00000000 H OO000000 H 0006 B o00000 H O0000000 H O0000000 H 00000000 H 00000000 H o0000000 H 0007 B o00000 H O0000000 H OO0000000 H 00000000 H 00000000 H OO000000 H 0008 B o00000 H o00000000 H O0000000 H 00000000 H 00000000 H o0000000 H 0009 B o00000 H O00000000 H O0000000 H 00000000 H 00000000 H O0000000 w Figure 3 73 Level 2 Cache Window SH 4A This window displays the level 2 cache contents and is only supported by the SH 4A series The selected entry is displayed in green The following items are displayed in the level 2 cache window Entry Entry number in the level 2 cache depends on the cache capacity V Validity bit When this bit is 1 the entry is valid LRU Numerical string that determines which way s entry should be replaced when a cache miss occurs The same LRU value is assigned to the same entry in all ways Tag Address Tag address Longword0 to Longword data 0 to 7 set to the operand cache entry Longword7 Note Some devices do not incorporate the level 2 cache 149 RENESAS SuperH RISC engine Simulator Debugger User s Manual e ROM cache window ROM Prefetch Cache Figure 3 74 ROM Cache Window Prefetch Cache This window displays the ROM cache contents and is only supported by the SH2A FPU There are three types of ROM cache windows ROM prefetch cache window ROM prefetch miss cache window and ROM operand cache window Items displayed in these three windows ar
28. A watcha Figure 7 20 Watch Window long long long a R R R R R R R R R R ee y yat Long e Close the Watch window 214 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 3 7 Executing the Program in Single Steps The simulator debugger has various stepping menus that are useful in debugging the program Menu Description Step In Executes each statement includes statements within the function Step Over Executes a function call in a single step Step Out Steps out of a function and stops at the next statement of the program that called the function Step Executes the specified number of steps at the specified speed Step In Enters the called function and stops at the statement at the start of the called function e To step in the sort function select Step In from the Debug menu or click the Step In button on the toolbar i Figure 7 21 Step In Button 215 RENESAS SuperH RISC engine Simulator Debugger User s Manual Tutorial c li ini xl TEES sorta 000013FE printf Sorting results n 00001404 for iz0 i 10 i f 00001412 printf a Xd XIdiin i a i 00001436 00001438 00001434 00001436 0000143E 00001444 00001446 0000144E 00001452 0 31 nng n on mon int i j k gap 00001454 gap 5 0000145C serit gap gt 0 H 00001460 for kz0 k lt gap kt 00001466 for
29. A501FFFF X and Y memory virtual addresses corresponding to physical addresses H 05000000 to H 0501FFFF as Begin address and End address in Break Access and as Address in Break Data to set up a break condition that corresponds to access to X or Y memory by the MOVX or MOVY instruction Selecting an Action in Response to a Break If you click on OK after setting break conditions in the dialog boxes described on the preceding pages the Select Break Type dialog box is opened again Select an action type in the Action type combo box of this dialog box Select Break Type 2 xl Break type PC Breakpoint X Detail Action type File Input Detail Figure 3 23 Select Break Type Dialog Box The following options are available Stop Execution of the user program is stopped when the condition is satisfied File Input The contents of a specified file are read out and written to the specified memory when the condition is satisfied File Output The contents of the specified memory are read out and written to the specified file when the condition is satisfied Interrupt Interrupt processing proceeds when the condition is satisfied 75 RENESAS SuperH RISC engine Simulator Debugger User s Manual Setting Details of the Action Click on Detail after selecting the action type in the Select Break Type dialog box This opens a dialog box that allows you to set details of the select
30. B O B B B O B O B O B O B O B O B B O B B B 00 B 00 B 00 B 00 B 00 B 00 B 00 B 00 B 00 B 00 B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B O B 0 B O B O B O B O m This window displays the TLB contents The selected entry is displayed in green Since each way has one sheet clicking the way s sheet displays the way s contents The contents of a currently disabled way are grayed out RENESAS 135 SuperH RISC engine Simulator Debugger User s Manual The following items are displayed in the window Entry Entry number in the TLB H 00 to H FF VPN Virtual page number longword Bits 31 to 10 are valid PPN Physical page number longword Bits 31 to 10 are valid ASID Address space identifier V Validity bit SZ Page size bit PR Protection key field C Cacheable bit D Dirty bit SH Share status bit 136 RENESAS SuperH RISC engine Simulator Debugger User s Manual SH 4 Series and SH 4A Series The SH 4 series and the SH 4A series have two kinds of TLB windows instruction TLB window and unified TLB window The SH 4A series has the PMB window as well as those two windows Choose View gt CPU gt TLB or click the TLB toolbar button ml to open the Select TLB dialog box figure 3 63 for selecting the TLB window type to be displayed Select TLB ILB Type Instruc
31. BS PC Program counter Corresponding file name line and symbol name BCY Cycle Number of cycles displayed in hexadecimal Action Operation of the simulator debugger when a break condition is satisfied Stop Execution halts File Input file name File state Memory data is read from file File Output file name File state Memory data is written to file Interrupt Interrupt type priority Interrupt processing Only for the SH3 DSP Interrupt type 1 interrupt type 2 priority is displayed Conditions specifying Stop for Action is displayed on the Software Break tab and the conditions specifying another action type is on the Software Event tab 67 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 4 2 Setting a Breakpoint Selecting Add from the pop up menu in the Event window opens the Select Break Type dialog box which allows the user to set a breakpoint Two further dialog boxes can be opened from the Select Break Type dialog box Set xx Condition for specifying a break condition and Set xx Action for specifying an action to take when the break condition is satisfied To open the Select Break Type dialog box from the Event window when you wish to select Stop as Action type in the Select Break Type dialog box select Add from the pop up menu on the Software Break tab if you wish to select another action type select Add from the pop up menu on the So
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33. Debugger User s Manual This dialog box specifies the coverage acquiring range To set coverage for a new range the following two ways are available e Specifying the start and end addresses on the new coverage range Start Address Start address of coverage information display When a prefix is omitted values input are taken as hexadecimal End Address End address of coverage information display When a prefix is omitted values input are taken as hexadecimal e Specifying the file on the new coverage range File Source file whose extension is C or CPP in the current project Functions in the specified file can be set as the coverage range If the extension of the file is omitted C is complemented The file that has other extensions than C or CPP cannot be specified A placeholder or the Browse button is available RENESAS 113 SuperH RISC engine Simulator Debugger User s Manual To use the settings saved in a coverage information file choose the file from Open a recent coverage file or open a file open dialog box by Browse to another coverage file and select the file When Open a recent coverage file is selected up to four recent files that have been saved are displayed Clicking OK opens the Coverage window When the Coverage window has already been displayed for specifying address settings are added in the window e Coverage window specifying address Coverage JEK Y e tun OO
34. One way 128 Kbytes the number of entries H 1 FFF 1 Mbyte cache capacity One way 256 Kbytes the number of entries H 3FFF Clicking the OK button modifies the cache capacity Clicking the Cancel button closes the dialog box without modifying the cache capacity 3 12 7 Saving the Currently Displayed Contents The contents currently displayed in the window can be saved in a text file Select Save to File from the pop up menu 158 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 13 Viewing the Contents of Register Banks The Register Bank window is used to view the contents of the register banks when using the SH2A FPU simulator debugger 3 13 1 Opening the Register Bank Window Choose View gt CPU gt Register Bank or click the Register Bank toolbar button to open the Register Bank window eise 7 Name Value Radix Hex R1 00000000 Hex R2 00000000 Hex R3 00000000 Hex R4 00000000 Hex R5 00000000 Hex R6 00000000 Hex R7 00000000 Hex R8 00000000 Hex R9 00000000 Hex R10 00000000 Hex R11 00000000 Hex R12 00000000 Hex R13 00000000 Hex R14 00000000 Hex MACH 00000000 Hex IVO 00000000 Hex PR 00000000 Hex GBR 00000000 Hex MACL 00000000 Hex d gt i Banko A Banki Banke Figure 3 80 Register Bank Window 159 RENESAS SuperH RISC engine Simulator Debugger User s Manual This window displays the register bank information Since each bank has one sh
35. Ropa enean 37 2 20 Pseudo Interr pts oneri o nette esie dr n EVEN anto oce ep reno igo 38 2 2 CoVerage socee n RERO ERREUR BEER tae EL IEERE CHER sense SEE EP EORR toes 39 RENESAS Section 3 MSN CITE PNE 41 3 1 3 2 3 3 3 4 3 5 3 6 Creating the Workspace for Simulator Debugger esee 42 3 l 1 Selecting a Deb ggmg Platform 5 eere preter titer een 42 3 1 2 Setting up a Workspace for the Simulator Debugger sess 44 Modifying the Simulator Debugger Settings essere 46 3 2 1 Modifying the Simulator System seen 46 3 2 2 Modifying the Memory Map and Memory Resource Settings 49 3 2 3 Set Memory Map Dialog Box rem eene 53 3 2 4 SetS5tate Dialog BOX aec Eee ette lacie ES aee depu oua Eee ab weed 55 3 2 5 Set Memory Resource Dialog Box eseeeeeeeneeen eene 58 Simulating Peripheral Functions eeeeeeeseseeeseeeeeneeeen rennen rennen 59 3 3 1 Registering Peripheral Function Simulation Modules 59 3 3 2 Changing the Addresses of Peripheral Functions eee 61 3 3 3 Changing the Interrupt Source Information of Peripheral Functions 63 3 3 4 Changing the Address of the Bank Control Register SH2A FPU Only 65 3 3 5 Allocating Memory Resources to the Interrupt Priority Register
36. Sequence Set Break Sequence Condition 2 x Address1 Address2 Address3 Address4 Address Address Address 7 Address8 Figure 3 20 Set Break Sequence Condition Dialog Box Only one sequential break condition can be specified Address1 to Address8 Addresses that must be passed as conditions to generate the break not all of the eight breakpoints have to be set 72 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Break Cycle Set Break Cycle Condition E 7 xi Cycle Gount ALL C Times Figure 3 21 Set Number of Cycles Break Condition Dialog Box Up to 1024 number of cycles break conditions can be specified Cycle Number of cycles required to cause a break H 1 to H FFFFFFFF The condition will be satisfied by execution for the number of cycles in the Cycle setting x n However the specified number of cycles may differ from the number of cycles on which the condition is satisfied Count Number of times the break will occur ALL The break will occur whenever the condition is satisfied Times The break will only occur up to the number of times specified as Times 1 to 65535 if the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation 73 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Break Data Address oon gt i y Option Equal tts Cancel Data
37. Size of each data value to be read 1 2 4 8 Count Number of values to be read H 1 to H FFFFFFFF when the prefix is omitted values input are taken as decimal and the display is in decimal notation 77 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Interrupt Interrupt type Interrupt type2 Priority Figure 3 26 Set Interrupt Action Dialog Box When the condition is satisfied interrupt processing proceeds For details refer to section 2 20 Pseudo Interrupts Interrupt type 1 Sets the following values for each CPU when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation e SH 1 SH 2 and SH2 DSP series Interrupt vector number SH2A FPU Interrupt vector number SH 3 SH 4 and SH3 DSP series INTEVT H 0 to H FFF SH 4A series INTEVT H 0 to H 3FFF Interrupt type 2 Only selectable for the SH3 DSP series when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation INTEVT2 H 0 to H FFF Priority Interrupt priority H O to H 11 when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation When H 10 is specified the interrupt is always accepted regardless of the value of the I bit value in SR but is masked by the BL bit in SR When H 11 is specified the interrupt is always accepted regardless of the I and BL bit val
38. Write through bit UB Whether or not to write to the buffer Note Some devices do not incorporate the PMB 140 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 11 2 Modifying the TLB Contents Selecting Modify from the pop up menu with a TLB item selected opens the dialog box to modify the selected TLB item Set VPN Way 0 Entry x VPN Hoo000000 Cancel Figure 3 67 Modify TLB Dialog Box VPN is Selected in SH 3 This dialog box allows the currently selected TLB item to be modified The selected TLB item and entry number are displayed in the caption of the dialog box The way number is also displayed for a TLB with ways The item name in the dialog box displays the selected TLB item Clicking the OK button stores the newly entered contents in the TLB Clicking the Cancel button closes the dialog box without storing the newly entered contents in the TLB A value can be directly input in the window 3 11 3 Flushing the TLB Contents Selecting Flush from the pop up menu flushes the TLB AII valid bits are cleared to O and all TLB entries are invalidated Note that during execution of an instruction the Flush menu is disabled and the TLB cannot be flushed 141 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 11 4 Searching the TLB Items Selecting Find from the pop up menu opens the Find TLB dialog box in which a TLB item can be searched
39. a File eee 92 3 5 7 Viewing the Source File eee ecs er erisa enne E aaa RA EE tienes 92 3 5 9 Trmming the Source aee aide UR EUM ERE EUR ENDE EH PIE PEL tiec 92 3 5 9 Analyzing Statistical Information eese 93 Viewing the Profile Information 00 0 ee cece ceecsceeseeeseceseeseeeeeeaeeeaessaeseeesseeeaeeeaeees 94 3 6 1 Stack Information Files eese eene senem entente 94 3 6 2 Profile Information Files 0 0 0 ccccccccesseeessssssssssssssesssesssesessesseessessseeeseesseeeeeees 96 3 6 3 Loading Stack Information Files eeseeseeseeeeeeeeerenrennee eene 98 3 6 4 Enabling the Prohile cerro there y ro e pires 100 3 6 Specifying Measurement Mode eec te tipi katie p aen uce 100 3 6 6 Executing the Program and Checking the Results sesesesess 100 3 6 7 List Sheet encrancar a eese ta i e REQUE E 101 336 8 Tree ucc 102 3 0 9 Pronle Chart WindOW ect tte here ia EE AE 105 3 6 10 Types and Purposes of Displayed Data esee 106 3 6 11 Creating Profile Information Files esee 108 SRM EE 109 3 7 Analyzing Performance soz ient err ett e ree HIE EE ETE e cate HERE ERR US 110 3 7 1 Opening the Performance Analysis Window esee 110 3 7 2 Specifying a Target Function eeseseeeessecseeieeeeeetett enint nne 111 3 7
40. as a break condition BREAK_DATA_ BDI Specifies inversion of the sign of a value of data in INVERSE memory as a break condition BREAK_DISPLAY Bl Displays a list of breakpoints BREAK_ENABLE BE Enables or disables a breakpoint BREAK_REGISTER BR Specifies a register data as a break condition BREAK SEQUENCE BS Sets sequential breakpoints SET DISASSEMBLY SDB Sets or deletes a software breakpoint at the SOFT BREAK disassembly level SET SOURCE SSB Sets or deletes a software breakpoint at the source level SOFT BREAK STATE TDB Enables or disables a software breakpoint at the DISASSEMBLY disassembly level SOFT BREAK STATE SOURCE TSB Enables or disables a software breakpoint at the source SOFT BREAK level 5 1 8 Trace Command Name Abbreviation Function TRACE TR Displays trace information TRACE_ACQUISITION TA Enables or disables trace information acquisition TRACE_SAVE TV Outputs trace information into a file TRACE_STATISTIC TST Analyzes statistic information 180 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 9 Coverage Command Name Abbreviation Function COVERAGE CV Enables or disables coverage measurement COVERAGE_DISPLAY CVD Displays coverage information COVERAGE_LOAD CVL Loads coverage information COVERAGE_RANGE CVR Sets a coverage range COVERAGE_SAVE CVS Saves coverage information 5 1 10 Performance Command Name Abbreviation Function
41. be deleted using the Event window e Close the Event window 7 3 6 Watching Variables It is possible to watch the values of variables used in your program and to verify that they change in the way that you expected For example set a watch on the long type array a declared at the beginning of the program by using the following procedure e Select Watch from the View gt Symbol menu to open the Watch window And click the right mouse button on the Watch window and choose Add Watch from the pop up menu The following dialog box will be displayed Add Watch Variable or expression E Cancel Figure 7 19 Add Watch Dialog Box 213 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Type array a and click the OK button CPET The Watch window will show the long type array a 66 0 You can double click the symbol to the left of array a in the Watch window to expand the variable and show the individual elements in the array w Watch Oy XI R R O f X Type OFFFFFBO long 10 0 H O0000000 OFFFFFBO 1 H OO0053de OFFFFFB4 2 H 00002704 OFFFFFBS 3 H 00005665 OFFFFFBC 4 H O00000daa OFFFFFCO 5 H 0000421f OFFFFFC4 aR long long long long long long 6 H O0003ead OFFFFFC8 7 H 00004did DFFFFFCC 8 H 00002f5a OFFFFFDO 9 H O00020da OFFFFFD4 4 b A gt i Watchi A watche A watchs
42. case use the Edit dialog box in the longword format To open the Edit dialog box in the longword format open the Memory window in the longword format and double click the data to be modified 2 Some devices do not incorporate the level 2 cache When loading a program to the area where the cache is mapped by using the Load Object File dialog box or by copying memory data to this area via the Copy Memory dialog box clear the AT bit of the MMUCR to zero to disable the MMU 2 8 2 Cache Hit Rate Checking and Displaying the Cache Hit Rate The simulator debugger acquires the rate of the number of cache hits count to the cache access count as the cache hit rate The cache hit rate is displayed in percentage in the Platform sheet in the Status window The cache hit rate is obtained by dividing the cache hit count by the cache access count the sum of the cache hit count and cache miss count The cache hit count and cache miss count are also displayed Initializing the Cache Hit Rate The displayed cache hit rate is initialized when the simulator debugger is initiated the pipeline is reset or the CCR control register value is modified In the SH3 DSP series the cache hit rate is initialized also when the CCR2 control register value is modified RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 9 Timer 2 9 1 Supported Range The simulator debugger only supports channel 0 of each timer In addition the
43. control status register Refresh timer counter Refresh time constant register Refresh count register DMA source address registers O to 3 DMA destination address registers O to 3 DMA transfer count registers 0 to 3 DMA channel control registers 0 to 3 DMA operation register X memory transfer source address register Y memory transfer source address register X memory destination address register Y memory destination address register X bus protection control register Y bus protection control register X bus exception control register Y bus exception control register RAM access cycle setting register L memory transfer source control register 0 and 1 L memory transfer destination control register 0 and 1 Notes 1 Only supported by the SH3 DSP series 2 Only supported by SH 4 series 3 Only supported by the SH 4A series DUCON UN ax Only supported by the SHAAL DSP series Only supported by the SH2A FPU series Only supported by the SH 4BSC series Only the CCR register is supported by the SH2 DSP SH7612 The simulator debugger does not support the PCMCIA interface or the synchronous DRAM mode register 24 RENESAS SuperH RISC engine Simulator Debugger User s Manual To modify or display a control register value use the IO window For details refer to section 17 6 Looking at I O Memory in the High performance Embedded Workshop V 4 03 User s Manual In the SH 4 SH 4 SH7750R the simulator supports on
44. current configuration CONFIGURATION 26 CHANGE PROJECT CP Sets the current project 27 CHANGE SESSION CS Changes the current session 28 CHANGE SUB CB Changes the currently active session when SESSION simultaneous debugging is enabled 29 CLEAN CL Deletes intermediate and output files produced in building 30 CLEAR OUTPUT COW Clears the contents of the specified tab in the WINDOW Output window 31 CLOCK RATE CKR Sets a clock rate 32 CLOSE TEST SUITE CTS Closes a test suite 33 CLOSE WORKSPACE CW Close the current workspace 34 COMPARE TEST CTD Compares test data DATA 35 COVERAGE CV Enables or disables coverage measurement 36 COVERAGE_DISPLAY CVD Displays coverage information 37 COVERAGE LOAD CVL Loads coverage information 38 COVERAGE RANGE CVR Sets a coverage range 39 COVERAGE SAVE CVS Saves coverage information 40 DEFAULT_OBJECT_ DO Sets the default object program format FORMAT 41 DISASSEMBLE DA Disassembles memory contents 42 ERASE ER Clears the Command Line window 43 EVALUATE EV Evaluates an expression 44 EXEC_MODE EM Sets and displays execution mode 45 EXEC_STOP_SET ESS Sets or displays the execution mode at the occurrence of an interrupt 46 FILE_LOAD FL Loads an object program file 47 FILE LOAD ALL LA Loads all object program files 48 FILE SAVE FS Saves memory to a file 186 RENESAS SuperH RISC engine Simulator Debugger User s Manual
45. debugger can generate pseudo interrupts during simulation in the following two ways 1 Pseudo interrupts generated by satisfaction of break conditions A pseudo interrupt can be generated using a break command to specify Interrupt as the action when a break condition is satisfied For details refer to section 3 4 Using the Simulator Debugger Breakpoints 2 Pseudo interrupts generated from windows A pseudo interrupt can be generated by clicking a button in the Trigger or GUI I O window For details refer to section 3 9 Generating a Pseudo Interrupt Manually If another pseudo interrupt occurs between a pseudo interrupt occurrence and its acceptance only the interrupt that has a higher priority can be processed 3 Break by pseudo interrupts The user can select whether or not to cause a break when a pseudo interrupt occurs This can be set in the Simulator System dialog box or by the EXEC_STOP_SET command Note Whether an interrupt is accepted is determined by the specifications of the CPU for the selected debugging platform Note however that when H 11 is specified as the priority level of an interrupt that interrupt is always accepted The simulator debugger does not simulate the operation of the interrupt controller 38 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 21 Coverage The simulator debugger acquires instruction coverage information during instruction execution within the measurement ra
46. depending on the CPU SH 3 SH 3E and SH3 DSP Series The following window and dialog boxes are provided to manipulate the 32 entry 4 way TLB contents e TLB window Displays and flushes the TLB contents e TLB item modify dialog boxes Modifies the TLB items e TLB item find dialog boxes Searches for the TLB items For details refer to section 3 11 Viewing the TLB Contents The TLB is mapped in the range of addresses H F2000000 to H F3FFFFFF all entries of the TLB are allocated within this range Note The SH3 DSP functional simulator and SH3 functional simulator do not simulate MMU operations RENESAS SuperH RISC engine Simulator Debugger User s Manual SH 4 Series and SH 4A Series The following windows and dialog boxes are provided to manipulate the 4 entry instruction TLB and 64 entry unified TLB contents e Instruction TLB window Displays and flushes the instruction TLB contents e Unified TLB window Displays and flushes the unified TLB contents e TLB item modify dialog boxes Modifies the TLB items e TLB item find dialog boxes Searches for the TLB items In the SH 4A the following window is also provided to manipulate the 16 entry instruction PMB contents e PMB window Displays and flushes the PMB contents For details refer to section 3 11 Viewing the TLB Contents The simulator debugger does not support data array 2 for both the instruction TLB and unified TLB As well as during simulation the MM
47. either value to a selected bit The settings shown below set up the display of green or red respectively in the LED area when the value of bit 2 at address Ox3EO is O or 1 Set LED Dialog Wata Viso eje s l Displayleoiarzs l Figure 3 90 Set LED Dialog Box Bit Selection 169 z ENESAS SuperH RISC engine Simulator Debugger User s Manual e Response to writing of specified values to a selected address The settings shown below set up the display of green or red respectively in the LED area when the value 0x10 or 0x20 is written to address 0x3E0 Set LED Dialog Ea Address 0 gl efie E rim Color2 Color Co isgie Positive Wenative Data Display Color fio Display Color2 20 Cancel Figure 3 91 Set LED Dialog Box Data Selection Clicking the Color 1 or Color 2 button opens the Color dialog box which allows you to select the color 170 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 5 Creating Fixed Text Click the button on the toolbar or choose Create Text from the pop up menu The mouse cursor turns into a symbol Create the text box by dragging the mouse cursor from a higher left to a lower right position GUI 1 0 new panel Figure 3 92 GUI I O Window Create Fixed Text 171 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Setting the format for the text Press
48. functions STEP_RATE SR Sets or displays rate of stepping STEP_UNIT SN Sets the unit of execution 177 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 2 Download Command Name Abbreviation Function BUILD BU Performs a build on the current project BUILD_ALL BL Performs a build all on the current project BUILD_FILE BF Compiles files BUILD_MULTIPLE BM Builds multiple projects CLEAN CL Deletes intermediate and output files produced in building DEFAULT_OBJECT_FORMAT DO Sets the default object program format FILE_LOAD FL Loads an object program file FILE_LOAD_ALL LA Loads all object program files FILE_SAVE FS Saves memory to a file FILE_UNLOAD FU Unloads an object program file from memory FILE_UNLOAD_ALL UA Unloads all object program files from memory FILE_VERIFY FV Verifies file contents against memory GENERATE_MAKE_FILE GM Generates a build makefile for the current workspace 5 1 3 Register Command Name Abbreviation Function REGISTER_ADDRESS_RAG GET Displays the address of the bank control register REGISTER_ADDRESS_RAS SET Sets the address of the bank control register REGISTER_DISPLAY RD Displays CPU register values REGISTER_SET RS 178 Changes CPU register contents RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 4 Register Bank SH2A FPU Only Command Name Abbreviation REGISTER BANK RBD DIS
49. input are taken as hexadecimal Clicking OK changes the coverage range e Specifying the coverage range with a source file Choose Edit Range from the pop up menu to open the Coverage Range dialog box Coverage Range EE C Stat addiess Z Endaddiess zi x Cancel CAHewaXS amplekDemo SH gt Browse Figure 3 49 Coverage Range Dialog Box Specifying Source File This dialog box specifies the condition to acquire instruction execution information The following items can be specified File Source file whose extension is C or CPP in the current project Functions in the specified file can be set as the coverage range If the extension of the file is omitted C is complemented The file that has other extensions than C or CPP cannot be specified A placeholder or the Browse button is available Clicking OK changes the coverage range 3 8 7 Deleting the Selected Coverage Range Select a coverage range and choose Delete Range from the pop up menu to delete the selected coverage range 117 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 8 8 Acquiring Coverage Information Specify a coverage range choose Enable Coverage from the pop up menu and execute the user program to acquire coverage information By default Enable Coverage is selected 3 8 9 Clearing Coverage Information Specify a coverage range and choose Clear Data from the pop up menu to clear the acquir
50. the same setting information as that of Memory Resource of the Debugger sheet in the SuperH RISC engine Standard Toolchain dialog box Modifications are reflected on both items When there is a linkage list file map output by the optimizing linkage editor the memory resource can be automatically allocated according to the memory map and linkage map information For details refer to section 13 1 9 Automatically Allocating the Memory Resource in the High performance Embedded Workshop V 4 03 User s Manual 50 RENESAS SuperH RISC engine Simulator Debugger User s Manual In the Memory Map the start address end address memory type data bus width read cycles and write cycles are displayed in that order The memory types are as follows SH 1 SH 2 SH 2E SH2A FPU SH 3 and SH 3E ROM internal ROM RAM internal RAM EXT external memory I O internal I O SH2 DSP SH7410 SH3 DSP XROM internal XROM YROM internal YROM XRAM internal XRAM YRAM internal YRAM EXT external memory I O internal I O SH2 DSP SH7612 XRAM internal XRAM YRAM internal YRAM INTRAM internal RAM EXT external memory I O internal I O SH2 DSP SH7065 XRAM internal XRAM YRAM internal YRAM INTROM internal ROM EXT external memory I O internal I O SH2 DSP Core XRAM internal XRAM YRAM internal YRAM INTROM internal ROM INTRAM internal RAM EXT external memory I O internal I O SH3 DSP
51. 00 freopen D000016c8 H O0DDOD0068 H O0O0D00000 Or C E HL HH o oo oooO Figure 7 28 Profile Window Tree Sheet In above figure it can be found that the __flclose function was called three times from the _fclose function the execution cycle was 315 the external memory was accessed three times and the internal memory was accessed 45 times 220 RENESAS SuperH RISC engine Simulator Debugger User s Manual Profile Chart Window Displays the relation of calls for a specific function e Select the __flclose function on the Profile window Open the pop up menu by right clicking the mouse on the Profile window and select View Profile Chart to display the Profile Chart window LT E _fclose __ flclose _freopen Figure 7 29 Profile Chart Window In the above figure it can be found that the __flclose function was called three times from the _fclose and _freopen functions and the _close function was called three times This is the end of the tutorial using the simulator debugger 221 RENESAS SuperH RISC engine Simulator Debugger User s Manual 222 RENESAS Renesas Microcomputer Development Environment System User s Manual SuperH RISC engine Simulator Debugger Publication Date Rev 4 00 July 25 2007 Published by Sales Strategic Planning Div Renesas Technology Corp Edited by Customer Support Department Global Strategic
52. 0000000 H 00000000 H 00000000 H 00000000 H 00000000 H oo B OO0 B 00 RENESAS SuperH RISC engine Simulator Debugger User s Manual This window displays the unified TLB contents The selected entry is displayed in green The following items are displayed in the window Entry Entry number in unified TLB H 00 to H 3F VPN Virtual page number longword Bits 31 to 10 are valid PPN Physical page number longword Bits 31 to 10 are valid ASID Address space identifier V Validity bit SZ Page size bit PR Protection key field C Cacheable bit D Dirty bit SH Share status bit WT Write through bit RENESAS 139 SuperH RISC engine Simulator Debugger User s Manual e PMB window B o0 H o0000000 H 00000000 B 0 0 H O0000000 H 00000000 B 0 0 H O0000000 H 00000000 B 0 H O0000000 H 00000000 B 0 0 H O0000000 H O0000000 B 0 H 00000000 H O0000000 B 0 0 H 00000000 H o0000000 B 00 H 00000000 H O0000000 B 00 H 00000000 H 0000000 B 00 Figure 3 66 PMB Window SH 4A Series This window displays the PMB information and is only supported by the SH 4A series The selected entry is displayed in green The following items are displayed in the window Entry Entry number in PMB H 0 to H F VPN Virtual page number longword Bits 31 to 24 are valid PPN Physical page number longword Bits 31 to 24 are valid V Validity bit SZ Page size bit C Cacheable bit WT
53. 00000000 Elf Dwarf2 Madity HEMOYE Figure 7 2 Debug Settings Dialog Box e Files to be downloaded are listed in Download Modules e Close the Debug Settings dialog box by clicking the OK button 199 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Download the sample program by selecting Download Modules gt All Download Modules from the Debug menu 7 2 3 Displaying the Source Program The HEW supports source level debugging Display the source file Tutorial c in the Source window e Open the Source window by double clicking Tutorial c on the Workspace window EE Source Ad C S Source 00001340 me main void long a 10 min max long j int i 00001348 printf SH Data Input Ht n 00001362 for iz0 i lt 10 i 00001356A j rand 00001362 ifCGj lt Out 00001366 J j 00001368 ali j 000013D4 printf a Sd 31dXn i a i1 000013F8 sort a 000013FE printf ss Sorting results n 00001404 for iz0 i410 itt Vf 00001412 printf Ca Sd 73ldXn i a i 00001436 a 0 00001438 a 3 00001434 0 0000143C 0 0000143E 00001444 3 00001446 0 0000 144E nng n n n on Figure 7 3 Source Window Displaying the Source Program 200 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 2 4 Setting a PC Breakpoint Breakpoints can be set easily via the Source window To set a breakpoi
54. 3 Starting Performance Data Acquisition eseeeeeeeeeneeneeeeee 111 3 7 4 Resetting Dat eL reet eei eter RE sa ESER SVA PESE opa cioe SEEN Re RS pd 111 3 45 Deleting a Target FUnctlonD iier cete ie eerte 111 3 7 6 Deleting All Target Functions essesseseeeeeeeeneneeneeneen nennen nennen 112 3 7 7 Saving the Currently Displayed Contents esee 112 3 8 Acquiring Code Coverage iiie reete na in iiei Ne ea Se eee ed igo rag a eue Reve Ue eene etes 112 3 8 1 Opening the Coverage Window eese enne 112 3 8 2 Acquiring All Coverage Information sees 116 3 8 3 Clearing All Coverage Information seseeseeeeeeeeeeeneneeeen ne 116 3 8 4 Viewing the Source Window essent een eene nennen 116 3 8 5 Specifying the New Coverage Range sse 116 3 8 6 Changing the Coverage Range sseessssseseeseeeeeen en eere rennen 116 3 8 7 Deleting the Selected Coverage Range eene 117 3 8 8 Acquiring Coverage Information eesessesseeeeeeeeeeneneene eene 118 3 8 9 Clearing Coverage Information sessseeseeeeeeeeeenen eene 118 3 8 10 Saving Coverage Information in a File esee 118 3 8 11 Loading Coverage Information from a File esee 119 3 8 12 Updating the Information sees 119 3 8 13 Confirmation Request Dialo
55. 4 series and SH2A FPU note the following e Memory type cannot be modified e Unless the selected memory type is EXT Begin address and End address are not modifiable e For the SH 4A series Write state count is not modifiable regardless of the selected type of memory e When an instruction unit simulator is in use settings for numbers of read cycles are invalid because the simulator debugger handles one instruction per cycle Note The memory map setting for the area allocated to a system memory resource cannot be deleted or modified First delete the system memory resource allocation on the Memory tab of the Simulator System dialog box then delete or modify the memory map setting Clicking the OK button stores the settings Clicking the Cancel button closes this dialog box without modifying the settings 54 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 2 4 Set State Dialog Box The Set State dialog box specifies the wait state cycles to be inserted in each area This dialog box is provided only for the SH 4 series Note that only the normal memory is supported for the SH 4 SH 4 SH7750R The Set State dialog box contents depend on the memory type allocated to the target area The values set in this dialog box are also set in the WCR1 and WCR2 control registers Normal Memory Burst ROM and Byte Control SRAM Set State Inserted Idle Cycle 15 m Inserted Wait Cycle 15
56. 5 1 13 Memory Resource Command Name Abbreviation Function MAP_DISPLAY MA Displays memory resource settings MAP_SET MS Allocates a memory area 5 1 14 Simulator Debugger Settings Command Name Abbreviation Function CLOCK_RATE CKR Sets a clock rate EXEC_MODE EM Sets and displays execution mode EXEC_STOP_SET ESS Sets or displays the execution mode at the occurrence of an interrupt 182 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 15 Standard I O and File I O Command Name SIMULATEDIO_CLEAR TRAP_ADDRESS Abbreviation Function SIOC TP Clears the contents of the Simulated I O window Sets a simulated I O address TRAP_ADDRESS_DISPLAY TD Displays simulated I O address settings TRAP ADDRESS ENABLE TE 5 1 6 Utility Enables or disables the simulated I O Command Name Abbreviation Function HELP HE Displays the command line help INITIALIZE IN Initializes the debugging platform QUIT QU Exits HEW RADIX RA Sets default input radix RESPONSE RP Sets an interval to refresh the window STATUS STA Displays the debugging platform status TOOL_INFORMATION TO Outputs information on the currently registered tool to a file 183 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 1 17 Project Workspace Command Name Abbreviation Function ADD FILE AF Adds a file to the current project CHANGE CONFIGURATION
57. 8 Kbyte Figure 3 78 Cache Capacity Dialog Box SH 4A Cache Capacity 21x Figure 3 79 Cache Capacity Dialog Box SH2A FPU and SH4AL DSP This dialog box allows the cache capacity to be modified 154 z ENESAS SuperH RISC engine Simulator Debugger User s Manual The following cache capacities can be selected depending on the cache type For the SH 4A series Instruction Cache Operand Cache Sets the capacity of the instruction cache Four ways way 0 to way 3 are all valid and the number of entry changes The number of entries in each way is the same 8 Kbyte 8 Kbyte cache capacity One way 2 Kbytes the number of entries H 000 to H 03F 16 Kbyte 16 Kbyte cache capacity One way 4 Kbytes the number of entries H 000 to H 07F 32 Kbyte 32 Kbyte cache capacity default One way 8 Kbytes the number of entries H 000 to H OFF 64 Kbyte 64 Kbyte cache capacity One way 16 Kbytes the number of entries H 000 to H 1FF 128 Kbyte 128 Kbyte cache capacity One way 32 Kbytes the number of entries H 000 to H 3FF Sets the capacity of the operand cache Four ways way 0 to way 3 are all valid and the number of entry changes The number of entries in each way is the same 8 Kbyte 8 Kbyte cache capacity One way 2 Kbytes the number of entries H 000 to H 03F 16 Kbyte 16 Kbyte cache capacity One way 4 Kbytes the number of entries H 000 to H 07
58. C JSR R3 DOOO100E NOP 00001010 ADD H 04 R15 00001012 MOV H 00 R14 00001014 MOV 8H OA R1 00001016 CMP GE R1 R14 00001018 BT BH 1058 8 Figure 3 55 Coverage Column Disassembly 123 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 9 Generating a Pseudo Interrupt Manually Windows Trigger and GUI I O allow the user to generate a pseudo interrupt manually by pressing a button on the window 3 9 1 Trigger Window Choose View gt CPU gt Trigger or click the Trigger toolbar button to open the Trigger window Trigger Figure 3 56 Trigger Window This window displays trigger buttons that generate pseudo interrupts manually The details of the interrupt to be generated by pressing each trigger button can be specified in the Trigger Setting dialog box Up to 256 trigger buttons can be used For details on the interrupt processing in the simulator debugger refer to section 2 20 Pseudo Interrupts 124 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Setting a trigger button Choose Setting from the pop up menu to open the Trigger Setting dialog box Trigger Setting H 00000000 H 00000000 Figure 3 57 Trigger Setting Dialog Box 125 z ENESAS SuperH RISC engine Simulator Debugger User s Manual This dialog box allows the user to specify the details of the pseudo interrupt to be generated by pressin
59. CC Sets the current configuration CHANGE PROJECT CP Sets the current project CHANGE SESSION CS Changes the current session CHANGE SUB SESSION CB Changes the currently active session when simultaneous debugging is enabled CLEAR OUTPUT WINDOW COW Clears the contents of the specified tab in the Output window CLOSE WORKSPACE CW Close the current workspace OPEN_WORKSPACE OW Opens a workspace REFRESH_SESSION RSE Updates information on the session REMOVE_FILE REM Removes a file from the current project SAVE_SESSION SE Saves the current session SAVE_WORKSPACE SW Saves the current workspace UPDATE_ALL_DEPENDENCIES UD project 5 1 18 Test Tool Facility Command Name Abbreviation Updates all build dependencies of the current Function CLOSE_TEST_SUITE CTS Closes a test suite COMPARE_TEST_DATA CTD Compares test data OPEN_TEST_SUITE OTS Opens a test suite RUN_TEST RT Executes a test 184 RENESAS SuperH RISC engine Simulator Debugger User s Manual 5 2 Commands Alphabetical Order Table 5 1 lists the commands in alphabetical order Refer to the help about each command Table 5 1 Simulator Debugger Commands No Command Name Abbreviation Function 1 Comment 2 ADD FILE AF Adds a file to the current project 3 ANALYSIS AN Enables or disables performance analysis 4 ANALYSIS RANGE AR Sets or displays performance analysis functions 5
60. Cycle Number of idle cycles to be inserted when the access type changes from read to write or when the access area changes corresponds to the AnIW in WCR1 First Read Cycle Number of cycles to be inserted in the first cycle for the read access First Write Cycle Number of cycles to be inserted in the first cycle for the write access Second After Cycle Number of cycles to be inserted in the second and the following cycles for the burst transfer Note The items marked with correspond to the AnW in WCR2 57 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 2 5 Set Memory Resource Dialog Box The Set Memory Resource dialog box sets and modifies memory resources Set Memory Resource 21x Begin Address ox H o0000000 gl Cancel End Address H 0000FFFF Attribute Read Write m Figure 3 10 Set Memory Resource Dialog Box The following items are specified Begin Address Start address of the memory area to be allocated End Address End address of the memory area to be allocated Attribute Access type Read Read only Write Write only Read Write Readable writable Click the OK button after specifying the Begin Address End Address and Attribute Clicking the Cancel button closes this dialog box without modifying the settings 58 RENESAS SuperH RISC engine Simulator Debugger User s Manual Notes 1 If memory resources are set memory in the
61. D gt E 00 R1 R1 lt o00000000 0000057050 00001190 FFDE gt CMP HI R1 R13 T 0 0000057052 00001192 fD gt E BT 00001180 T O 0000057053 00001194 FFDE gt MW MOV L G 00000008 R6 00000001 0000057058 00001198 FF D gt E 0000057059 0000119 FFDE gt R6 RO RO lt 00000001 0000057061 OO00119E fD E 80C R15 R15 FFFFE28 0000057062 00001140 FFDE gt MW R1I5 PR PR 000035B98 0000057064 000011A2 fD gt EMW GR1i5 R14 R14 lt OFFFEOQIC 0000057066 00001144 FFD lt E gt MW GR15 R13 R13 D0006146 0000057068 00001146 f lt D gt E PC 00003B98 Figure 7 16 Trace Window Searched Result 7 3 4 Checking Simulated I O Random data that is displayed by the printf function can be checked in the Simulated I O window Simulated 1 0 i OF x Data Input a 0 0 a 1 21468 a 2 9988 a 3 222117 a 4 3498 a 5 16927 a 6 16045 a 7 19741 a 8 712122 a 9 8410 Figure 7 17 Simulated I O Window e Do not close the Simulated I O window 212 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 3 5 Checking the Breakpoints A list of all the breakpoints that are set in the program can be checked in the Event window e Select Eventpoints from the View gt Code menu Enable PC 000013F8 Tutorial c 38 Stop 4 gt Software Break A Software Event Figure 7 18 Event Window A breakpoint can be set a new breakpoint can be defined and a breakpoint can
62. E Updates information on the session 187 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 5 1 Simulator Debugger Commands cont No Command Name Abbreviation Function 77 REGISTER ADDRESS RAG Displays the address of bank control registers GET 78 REGISTER ADDRESS RAS Sets the address of bank control registers SET 79 REGISTER DISPLAY RD Displays CPU register values 80 REGISTER SET RS Changes CPU register contents 81 REGISTER BANK RBD Displays register bank values DISPLAY 82 REGISTER BANK SET RBS Changes the contents of register banks 83 REMOVE FILE REM Removes a file from the current project 84 RESET RE Resets CPU 85 RESPONSE RP Sets an interval to refresh the window 86 RUN TEST RT Executes a test 87 SLEEP Delays command execution 88 SAVE SESSION SE Saves the current session 89 SAVE WORKSPACE SW Saves the current workspace 90 SET DISASSEMBLY SDB Sets or deletes a software breakpoint at the SOFT BREAK disassembly level 91 SET SOURCE SSB Sets or deletes a software breakpoint at the source SOFT BREAK level 92 SIMULATEDIO CLEAR SIOC Clears the contents of the Simulated I O window 93 STATE DISASSEMBLY TDB Enables or disables a software breakpoint at the SOFT BREAK disassembly level 94 STATE SOURCE TSB Enables or disables a software breakpoint at the SOFT BREAK source level 95 STATUS STA Displays the debugging platform s
63. ESAS Step Unit SuperH RISC engine Simulator Debugger User s Manual This can be specified only for the SH 3 SH3 DSP series and SH 4 series Select the status of the instruction executed when STEP command is executed and a PC break is satisfied Stage Stops before instruction is executed Pipeline operation is not affected Instruction Stops after instruction is executed Pipeline operation is affected and as a result the number of effective cycles becomes incorrect Clicking the OK or Apply button stores the modified settings Clicking the Cancel button closes this dialog box without modifying the settings 48 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 2 2 Modifying the Memory Map and Memory Resource Settings The Memory tab in the Simulator System dialog box is used to set and modify the memory map and memory resource Simulator System System Memory Memory Map a 5 eg Memory Resource a gt zl Lego En ee Sie Re Begin End Attribute 00000000 OGFFFFFF 00000000 00007FFF_ Read wt 04000000 07FFFFFF NOD 70000000 70007FFF Read wi 08000000 OBFFFFFF NO J 73FF8000 73FFFFFF Read wi OCOO0000 OFFFFFFF NO FEO80000 FFFOOOFF Read wi 10000000 13FFFFFF 14000000 17FFFFFF 18000000 1BFFFFFF 20000000 23FFFFFF 24000000 27FFFFFF 28000000 2BFFFFFF 2C000000 2FFFFFFF 30000000 33FFFFFF Cancel
64. F 155 RENESAS SuperH RISC engine Simulator Debugger User s Manual Level 2 Cache SH 4A only 156 32 Kbyte 64 Kbyte 128 Kbyte 32 Kbyte cache capacity default One way 8 Kbytes the number of entries H 000 to H OFF 64 Kbyte cache capacity One way 16 Kbytes the number of entries H 000 to H 1FF 128 Kbyte cache capacity One way 32 Kbytes the number of entries H 000 to H 3FF Sets the capacity of the level 2 cache Four ways way 0 to way 3 are all valid and the number of entry changes The number of entries in each way is the same 128 Kbyte 256 Kbyte 512 Kbyte 1 Mbyte 128 Kbyte cache capacity default One way 32 Kbytes the number of entries H 0000 to H 03FF 256 Kbyte cache capacity One way 64 Kbytes the number of entries H 0000 to H 07FF 512 Kbyte cache capacity One way 128 Kbytes the number of entries H 0000 to H OFFF 1 Mbyte cache capacity One way 256 Kbytes the number of entries H 0000 to H 1FFF RENESAS SuperH RISC engine Simulator Debugger User s Manual For the SH2A FPU series Instruction Cache Operand Cache Sets the capacity of the instruction cache Four ways way 0 to way 3 are all valid and the number of entry changes The number of entries in each way is the same 8 Kbyte 8 Kbyte cache capacity One way 2 Kbytes the number of entries H 007F 16 Kbyte 16 Kbyte cache capa
65. F0 H 00000070 00001560 nH O0000000 000015c8 H O00000000 00001500 H O0O000000 00001684 H 00000044 DODO16c8 H O0000068 00001730 nH O0000003C 0000176 H O00000030 DOO0179c nH O00000000 000017D H OO0000B0 0000188 H 00000140 DOO019cc H O00000AT7E sort change INITSCT slow strcrmpl quick strcmpli _fclose _freopen _printf _rand muli _ flelose flopen fmtout F F F F F F F F F F E F F Figure 7 27 Profile Window List Sheet In the above figure it can be found that the __flclose function was called six times the execution cycle was 447 the external memory was accessed nine times and the internal memory was accessed 63 times It is possible to search for the critical path such as a function that is called or accesses the memory many times for the program performance 219 RENESAS SuperH RISC engine Simulator Debugger User s Manual Tree Sheet Displays the profile information as a tree diagram e Select the Tree sheet Double clicking the function name in the Profile window expands or minimizes the tree structure C WorkSpace SH Tut Sl PowerON Reset PC 00000800 H O0DDOO02kb H OO000000 INITSCT 00001560 H ODOO00000 H O00000000 main 00001340 H O000000B2 H O00000000 CLOSEALL O000012F8 H O00000070 H O00000000 fclose 00001684 H 00000044 H ODODODOD H flelose 000017D H O00000B0 H O00000000 INIT IOLIB 000011582 H O00000146 H O000000
66. FF e SH2 DSP SH7612 H 00 to H 3F Validity bit When this bit is 1 the entry is valid Update bit When this bit is 1 the entry has been written to Numerical string that determines which way s entry should be replaced when a cache miss occurs The same LRU value is assigned to the same entry in all ways Tag address Longword data 0 to 3 set to the cache entry RENESAS SuperH RISC engine Simulator Debugger User s Manual SH2A FPU SH 4 Series and SH 4A Series The SH2A FPU SH 4 series and the SH 4A series have two kinds of cache windows instruction cache window and operand cache window In addition the SH 4A series has the level 2 cache window and the SH2A FPU has the ROM cache window Choose View gt CPU Cache or click the Cache toolbar button i to open the Select Cache dialog box figure 3 70 for selecting the cache window type to be displayed Select Cache Cache Type Instruction Cache Cancel Figure 3 70 Select Cache Dialog Box This dialog box selects the cache to be displayed Select one of the following cache types Instruction Cache Opens the instruction cache window Operand Cache Opens the operand cache window Level 2 Cache Opens the level 2 cache window SH 4A only ROM Prefetch Cache Opens the ROM prefetch cache window SH2A FPU only ROM Prefetch Miss Cache Opens the ROM prefetch miss cache window SH2A FPU only ROM Operand Cache Open
67. NESAS SuperH RISC engine Simulator Debugger User s Manual 2 16 Break Conditions The simulator debugger provides the following conditions for interrupting the simulation of a user program during execution e Break due to the satisfaction of a break command condition e Break due to the detection of an error during execution of the user program e Break due to a trace buffer overflow e Break due to execution of the SLEEP instruction e Break due to the STOP button Break Due to Satisfaction of a Break Command Condition There are six break commands as follows e BREAKPOINT Break based on the address of the instruction executed e BREAK ACCESS Break based on access to a memory range e BREAK CYCLE Break based on the number of execution cycles e BREAK DATA Break based on the value of data written to memory e BREAK REGISTER Break based on the value of data written to a register e BREAK SEQUENCE Break based on a specified execution sequence If Stop is specified as the action for when a break condition is satisfied user program execution stops when the break condition is satisfied For details refer to section 3 4 Using the Simulator Debugger Breakpoints When a break condition is satisfied and user program execution stops the instruction at the breakpoint may or may not be executed before a break depending on the type of break as listed in table 2 9 31 RENESAS SuperH RISC engine Simulator Debugger User s Manu
68. PLAY Function Displays register bank values REGISTER BANK SET RBS 5 1 5 Memory Command Name Abbreviation CACHE Changes the contents of register banks Function Sets caching on or off MEMORY COMPARE MC Compares memory contents MEMORY DISPLAY MD Displays memory contents MEMORY EDIT ME Modifies memory contents MEMORY FILL MF Modifies the content of a memory area by specifying data MEMORY FIND MI Finds a string in an area of memory MEMORY MOVE MV Moves a block of memory MEMORY TEST MT Tests a block of memory 5 1 6 Assemble Disassemble Command Name Abbreviation Function ASSEMBLE AS Assembles instructions into memory DISASSEMBLE DA Disassembles memory contents SYMBOL_ADD SA Defines a symbol SYMBOL_CLEAR SC Deletes a symbol SYMBOL_LOAD SL Loads a symbol information file SYMBOL_SAVE SS Saves a symbol information file SYMBOL_VIEW SV Displays symbols 179 RENESAS 5 1 7 Break Command Name Abbreviation SuperH RISC engine Simulator Debugger User s Manual Function BREAKPOINT BP Sets a breakpoint at an instruction address BREAK_ACCESS BA Specifies a memory range access as a break condition BREAK_CLEAR BC Deletes breakpoints BREAK_CYCLE BCY Specifies a cycle as a break condition BREAK_DATA BD Specifies a memory data value as a break condition BREAK_DATA_ BDD Specifies a difference between two values of data in DIFFERENCE memory
69. R Physical address space control register Exception processing TRA TRAPA exception register EXPEVT Exception event register INTEVT Interrupt event register INTC IBCR Bank control register IBNR Bank number register USERIMASK User interrupt mask level setting register INTC2 INT2PRIO Interrupt priority setting register 0 INT2PRI1 Interrupt priority setting register 1 INT2A0 Interrupt source register mask state not affected INT2A1 Interrupt source register mask state affected INT2MSKR Interrupt mask register INT2MSKCR Interrupt mask clear register INT2BO Individual module interrupt source register Cache CCR Cache control register CCR1 Cache control register 1 CCR2 Cache control register 2 QACRO and QACR17 Queue address control registers 0 and 1 RCCR ROM cache control register RCCR2 ROM cache control register 2 23 RENESAS SuperH RISC engine Simulator Debugger User s Manual RCCR4 BSC BCRI and BCR2 WCRI and WCR2 WCR3 MCR RTCSR RTCNT RTCOR RFCR DMAC SARO to SAR3 DARO to DAR3 DMATCRO to DMATCR3 CHCRO to CHCR3 DMAOR X Y memory XSA YSA XDA YDA XPR YPR XER YER RAM RAMACYC L memory LSAO and LSA1 LDAO and LDA1 ROM cache control register 4 Bus control registers 1 and 2 Wait state control registers 1 and 2 Wait state control register 3 Individual memory control register Refresh timer
70. RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 5 3 Acquiring Trace Information After trace acquisition is enabled trace information is acquired during instruction execution The acquired information will be displayed in the Trace window The displayed information items depend on the target CPU as follows SH 1 SH 2 SH 2E and SH2 DSP Series Address Pipeline Instruction Access Data 0000007188 00001000 FFDE gt M MOV L R14 8G OFFFFFEC lt O0000000 0000007190 00001002 fD gt EM gt gt STS L PR G OFFFFFE8 lt O0000822 0000007192 00001004 FFD lt E gt ADD 4C8 R15 R15 lt OFFFFFBO 0000007194 00001006 f lt D gt EMMW MOoV L 0000 R2 lt 00006028 0000007197 00001008 FFD lt lt E gt M MOV R2 OFFFFFAC lt 00006028 0000007199 O000100A f lt lt D gt EMMW MOV amp 8 0000 R3 0000171C 0000007202 0000100C FFD lt lt E JSR GR3 PC 0000171C 0000007205 0000100E f lt lt D gt E NOP 0000007206 0000171C FFDE gt M STS PR OFFFFFA8 lt 00001010 0000007208 OOO0171E fD gt E Moy R15 R6 R6 FFFFFAS8 0000007209 00001720 FFDE ADD 04 R6 R6 FFFFFAC 0000007211 00001722 fD gt E Mov R6 RS RS FFFFFAC 0000007212 00001724 FFDE ADD 04 RS R5 lt OFFFFFBO 0000007214 00001726 fD gt E Mov R5 RO RO lt OFFFFFBO Figure 3 28 Trace Window for SH 1 SH 2 SH 2E and SH2 DSP Series This window displays the following trace information items PTR Pointer in the trace buffer 0 for the las
71. RISC engine Simulator Debugger User s Manual Table 6 2 Error Messages cont Message I O DLL Register Access Error errNum 1xx RegisterName xxxx Contents An error has occurred during a register access to the peripheral function errNum shows the details on this error and RegisterName shows the register where this error occurred Correct the user program according to the error information errNum 100 The register description is incorrect 101 The specified data value is incorrect Memory Access Error Address H nnnnnnnn One of the following events occurred the information in parentheses shows the target address for the operation that generated the error e Amemory area that had not been allocated was accessed e Data was written to a memory area having the write protected attribute e Data was read from a memory area having the read disabled attribute e Amemory area in which memory does not exist was accessed Allocate memory change the memory attribute or correct the user program to prevent the memory from being accessed Multiple Exception Multiple exceptions occurred Correct the user program to prevent the error PMB Multiple Hit Multiple PMB entries were hit when a virtual address was accessed during simulation or command execution PMB is not correctly set Modify PMB contents and user program handler routine PMB Miss PMB miss occurred during simulation or command exe
72. S SuperH RISC engine Simulator Debugger User s Manual 2 19 Performance Measurement The simulator debugger has the profiler function and performance analysis function for performance measurement of the user program 2 19 1 Profiler The profiler function displays the memory address and size allocated to functions and global variables the number of function calls and the profile data for the entire user program The profile data to be displayed depends on the CPU Profile information is displayed in list tree and chart formats Profile information is useful in optimizing user programs by reducing the size and putting the most frequently called functions in line When using the profile information saved in a file it is possible to optimize user programs based on dynamic information using the optimizing linkage editor For details refer to section 3 6 Viewing the Profile Information and description of PROfile in section 4 2 4 Optimize Option in the Optimizing Linkage Editor User s Manual 2 19 2 Performance Analysis The performance analysis function displays the number of execution cycles and function calls for the specified function in the user program Since performance data for only the specified function is acquired faster simulation is possible For details refer to section 3 7 Analyzing Performance 37 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 20 Pseudo Interrupts The simulator
73. S Statistic Status 00001000 00001081 98 Figure 3 46 Coverage Window Specifying Address This window displays the coverage range and statistical information The following items are displayed Range Address range Statistic Percentage of the instruction executed within the function Status Enabled or Disable status of the coverage range When the Coverage window is closed the acquired coverage information and the conditions to acquire information will be cleared 114 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Coverage window specifying source file Coverage zf E K m tit oes Functions Statistic Status rmain 28 Enable sort 100 Enable change 82 Enable Figure 3 47 Coverage Window Specifying Source File This window displays the coverage range and statistical information The following items are displayed Functions List of functions Statistic Percentage of the instruction executed within the function Status Enable or Disable status of the respective function Note The functions can be sorted by their names or percentage either in ascending or descending order by clicking the column tab Functions or Statistic When the Coverage window is closed the acquired coverage information and the conditions to acquire information will be cleared 115 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 8 2 Acquiring All Coverage Infor
74. SAS SuperH RISC engine Simulator Debugger User s Manual SH2A FPU Series The simulator debugger for the SH2A FPU simulates the operation of the instruction cache operand cache and ROM cache The following windows and dialog boxes are provided for the manipulation of cache contents Instruction cache window Operand cache window ROM prefetch cache window ROM prefetch miss cache window ROM operand cache window Modify cache dialog box Find cache dialog box Displays and flushes the contents of the instruction cache Displays and flushes the contents of the operand cache Displays and flushes the contents of the ROM prefetch cache Displays and flushes the contents of the ROM prefetch miss cache Displays and flushes the contents of the ROM operand cache Modifies cache entries Searches for cache entries The Cache Capacity dialog box enables specification of the cache capacity Table 2 4 shows the cache type and the cache capacity RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 2 4 Specifiable Cache Capacity for SH2A FPU Simulator Debugger Cache Type Cache Capacity Instruction cache 8Kbyes U 8 l 16 Kbytes 32 Kbytes 64 Kbytes 128 Kbytes 256 Kbytes 512 Kbytes 1 Mbyte Operand cache 8 Kbytes 16 Kbytes 32 Kbytes 64 Kbytes 128 Kbytes 256 Kbytes 512 Kbytes 1 Mbyte For details refer to s
75. To our customers Old Company Name in Catalogs and Other Documents On April 1 2010 NEC Electronics Corporation merged with Renesas Technology Corporation and Renesas Electronics Corporation took over all the business of both companies Therefore although the old company name remains in this document it is a valid Renesas Electronics document We appreciate your understanding Renesas Electronics website http www renesas com April 1 2010 Renesas Electronics Corporation Issued by Renesas Electronics Corporation http www renesas com Send any inquiries to http www renesas com inquiry 24 N S AS 10 11 12 Notice All information included in this document is current as of the date this document is issued Such information however is subject to change without any prior notice Before purchasing or using any Renesas Electronics products listed herein please confirm the latest product information with a Renesas Electronics sales office Also please pay regular and careful attention to additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website Renesas Electronics does not assume any liability for infringement of patents copyrights or other intellectual property rights of third parties by or arising from the use of Renesas Electronics products or technical information described in this document No license express implied or otherwise
76. U translates virtual addresses into physical addresses during address display or input in the dialog boxes or windows Therefore in the dialog boxes and windows memory can be accessed with the virtual addresses used in the user program Note however that physical addresses must be used in Memory map and System memory resource Notes 1 If an associative write to a TLB entry is performed using the Memory window the entry may not be modified correctly In this case use the Edit dialog box in the longword format To open the Edit dialog box in the longword format open the Memory window in the longword format and double click the data to be modified 2 Some devices do not incorporate the PMB 3 The SH 4 functional simulator does not simulate MMU operations RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 8 Cache For the SH 3 SH 3E SH3 DSP series SH 4 series SH2A FPU series SH 4A series and SH2 DSP SH7612 the simulator debugger simulates cache operations and displays the cache contents and cache hit rate This allows cache operations to be monitored during user program execution The cache contents differ depending on the CPU 2 8 1 Displaying Cache Contents SH 3 SH 3E SH3 DSP Series and SH2 DSP SH7612 The following window and dialog boxes are provided to manipulate the cache contents e Cache window Displays and flushes the cache contents e Cache item modify dialog boxes Modifies t
77. al Table 2 9 Processing When a Break Condition is Satisfied Command Instruction When a Break Condition is Satisfied BREAKPOINT Not executed BREAK_ACCESS Executed BREAK_CYCLE Executed BREAK_DATA Executed BREAK_REGISTER Executed BREAK_SEQUENCE Not executed For BREAKPOINT and BREAK_SEQUENCE if a breakpoint is specified at an address other than the beginning of an instruction the break will not be detected When a break condition is satisfied during user program execution a break condition satisfaction message is displayed in the Output window and execution stops 32 RENESAS SuperH RISC engine Simulator Debugger User s Manual Break Due to Error Detection during User Program Execution The simulator debugger detects simulation errors that is program errors that cannot be detected by the CPU exception generation functions The Simulator System dialog box specifies whether to stop or continue the simulation when such an error occurs Table 2 10 lists the error messages error causes and the action of the simulator debugger in the continuation mode Table 2 10 Simulation Errors Processing in Continuation Error Message Error Cause Mode Memory Access Error Access to a memory area that has On memory write nothing is Address H nnnnnnnn not been allocated written on memory read all bits Write to a memory area having the are read as 1 write protected attribute Read from a memory area hav
78. anual of the optimizing linkage editor Note If profile information has been acquired by choosing the Not trace the function call menu the program cannot be optimized by the optimizing linkage editor Output Text File Displays the Save Text of Profile Data dialog box Displayed contents are saved in a text file Setting This menu has the following submenus the menus available only in the List sheet are also included Show Functions Variables Displays both functions and global variables in the Function Variable column Show Functions Displays only functions in the Function Variable column Show Variables Displays only global variables in the Function Variable column Only Executed Functions Only displays the executed functions If a stack information file sni extension output from the optimizing linkage editor does not exist in the directory where the load module is located only the executed functions are displayed even if this check box is not checked Include Data of Child Functions Sets whether or not to display information for a child function called in the function as profile data Properties This menu cannot be used in this simulator debugger 104 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 9 Profile Chart Window The Profile Chart window displays the relation of calls for a specific function This window displays the specified function in the middle wit
79. arked with a cursor 3 5 8 Trimming the Source Choose Trim Source from he pop up menu to remove the white space from the left side of the source When the white space is removed a check mark is shown to the left of the Trim Source menu To restore the white space choose Trim Source while the check mark is shown 92 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 5 9 Analyzing Statistical Information Choose Statistic from the pop up menu to open the Trace Statistic dialog box and analyze statistical information under the specified conditions Statistic Statistic Analysis Default C Hange ltem lt None gt m Start End Result Condition Amount Figure 3 34 Trace Statistic Dialog Box This dialog box allows the user to analyze statistical information concerning the trace information The target of analysis is specified in Item and the input value or character string is specified by Start and End When Default is selected the input value or character string cannot be specified as a range To specify a range select Range 93 RENESAS SuperH RISC engine Simulator Debugger User s Manual Set Adds a new condition to the current one New Creates a new condition Result Obtains the result of statistical information analysis Clear Clears all condition and results of statistical information analysis Clicking the Close button clos
80. ation file 96 RENESAS SuperH RISC engine Simulator Debugger User s Manual SuperH RISC engine Standard Toolchain 2 xi Configuration C C Assembly Link Library Standard Library CPU 4 gt LTNENENNEN rICNENENN All Loaded Projects EIS d aches EY Demo_SH1 H C source file Optimize tems zl H E C source file z m timize Speed v Eliminated H E Assembly source file P Speed Eli J SIZE 0x001E Modify Cache size j Size 0 00084 Line 0 00204 Options Link Library noprelink rom D F nomessage list CONFIGDIR S PROJECTNAME map optimize speed Figure 3 36 Standard Toolchain Dialog Box 2 To enable the settings in the Include profile box specify the Optimize list box as some setting other than None 97 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 3 Loading Stack Information Files You can select whether or not to read the stack information file in a message box for confirmation that is displayed when a load module is loaded Clicking the OK button of the message box loads the stack information file The message box for confirmation will be displayed when e There are stack information files extension SNI e The Load Stack Information Files SNI files check box is checked in the Confirmation tab of the Options dialog box figure 3 37 that can be opened by choosing Setup gt Options
81. ays and flushes the instruction cache contents e Operand cache window Displays and flushes the operand cache contents e Cache item modify dialog boxes Modifies the cache items e Cache item find dialog boxes Searches for the cache items For details refer to section 3 12 Viewing the Cache Contents The instruction cache is mapped in the range of addresses H F0000000 to H F1FFFFFF the operand cache is mapped in the range of addresses H F4000000 to H F5FFFFFF and the SQ is mapped in the range of addresses H E0000000 to H E3FFFFFF Note If an associative write to a cache entry or modification of a cache address array is performed by using the Memory window the entry or array may not be modified correctly In this case use the Edit dialog box in the longword format To open the Edit dialog box in the longword format open the Memory window in the longword format and double click the data to be modified The simulator debugger does not change the high order three bits of the address tag stored in a cache address array to zeros When loading a program to the area where the cache is mapped by using the Load Object File dialog box or by copying memory data to this area via the Copy Memory dialog box clear the AT bit of the MMUCR to zero to disable the MMU RENESAS SuperH RISC engine Simulator Debugger User s Manual SH 4 SH7750R The simulator debugger simulates operations of the 16 kbyte instruction cache the 32 kbyt
82. cache window Displays and flushes the operand cache contents Level 2 cache window SH 4A only Displays and flushes the level 2 cache contents Cache item modify dialog boxes Modifies the cache items Cache item find dialog boxes Searches for the cache items The Cache Capacity dialog box enables the cache capacity to be specified This function is unique to this simulator Table 2 5 shows the cache type and the cache capacity Table 2 5 Specifiable Cache Capacity for SH 4A and SH4AL DSP Simulator Debugger Cache Type Cache Capacity Instruction cache 8 Kbytes 16 Kbytes 32 Kbytes 64 Kbytes 128 Kbytes Operand cache 8 Kbytes 16 Kbytes 32 Kbytes 64 Kbytes 128 Kbytes Level 2 cache SH 4A only 128 Kbytes 256 Kbytes 512 Kbytes 1 Mbyte For details refer to section 3 12 Viewing the Cache Contents RENESAS SuperH RISC engine Simulator Debugger User s Manual The instruction cache is mapped in the range of addresses H F0000000 to H F1FFFFFF and the operand cache is mapped in the range of addresses H F4000000 to H F5FFFFFF For the SH 4A the level 2 cache is mapped in the range of addresses H F8000000 to H F9FFFFFF and the SQ is mapped in the range of addresses H E0000000 to H E3FFFFFF Notes 1 If an associative write to a cache entry or modification of a cache address array is performed by using the Memory window the entry or array may not be modified correctly In this
83. ce analysis data 3 7 4 Resetting Data Choose Reset Counts Times from the pop up menu to clear the current performance analysis data 3 7 5 Deleting a Target Function Select a function and choose Delete Range from the pop up menu to delete the selected target function and to recalculate the data within other ranges The selected function can also be deleted by the Delete key 111 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 7 6 Deleting All Target Functions Choose Delete All Ranges from the pop up menu to delete all the current target functions to be evaluated and to clear the performance analysis data 3 7 7 Saving the Currently Displayed Contents The contents currently displayed in the window can be saved in a text file Select Save to File from the pop up menu 3 8 Acquiring Code Coverage The Coverage window acquires code coverage information CO coverage and C1 coverage in the range specified by the user and displays the information 3 8 1 Opening the Coverage Window Choose View gt Code gt Coverage or click the Coverage toolbar button 7 to open the Coverage Setting dialog box pa New Coverage Range v Start address 00000000 Y End address 00000000 C File D Browse Open a recent coverage file C Browse to another coverage file Figure 3 45 Coverage Setting Dialog Box 112 RENESAS SuperH RISC engine Simulator
84. cesimo T t 191 6 1 Information Messages e leiaiccdiciguiasseinseaseviys cacennauae scourge E EREE 191 6 2 Error MESSages p 192 Section 7 Kite Alls cejcczesdsbesccceslcrcenseaee Sereiocteacy ted D 197 Tel Preparation nios DEOR ERES BEES EO IURATI GEREA SA SMMSDU EY 197 Bekele Sample ProBram enti ime HW rt ER ree Port ER Pessoa Eo Cer HOY ph 197 7 1 2 Creating the Sample Program seen enne een een enne 197 7 2 Settings Tor Debugging eet eere rhyme et i iy et eid ee ee e yep Uus 198 7 2 1 Allocating the Memory Resource ctt tete epe pee ebRged 198 7 2 Downloading the Sample Program sese 199 7 2 3 Displaying the Source Program seeseeseeeeeeeeeen ene eene 200 7 24 Setting a PC Breakpoint cese eene e eR tbe eere pena eaae 201 7 4 5 Setting the Profiler eicere etr t re Het X Ec eee Eee iis 202 7 2 0 Setting the Simulated I O eerte tnnt n 203 7 2 7 Setting the Trace Information Acquisition Conditions sessess 205 7 2 8 Setting the Stack Pointer and Program Counter eee 206 7 3 Start DEUS INE oco rece ret i coepi OW Heer er Pr Per OTEA 206 Fal Executing a Program a eee Iob egre Do REOR 206 732 Using the Trace BUffer isi nett ert erre ei reris s 210 7 3 3 Performing Trace Search iuit e GrH Mediates aS 211 7 3 4 Checking Simulated I O
85. city One way 4 Kbytes the number of entries H OOFF 32 Kbyte 32 Kbyte cache capacity default One way 8 Kbytes the number of entries H O1FF 64 Kbyte 64 Kbyte cache capacity One way 16 Kbytes the number of entries H 03FF 128 Kbyte 128 Kbyte cache capacity One way 32 Kbytes the number of entries H 07FF 256 Kbyte 256 Kbyte cache capacity One way 64 Kbytes the number of entries H OFFF 512 Kbyte 512 Kbyte cache capacity One way 128 Kbytes the number of entries H 1FFF 1 Mbyte 1 Mbyte cache capacity One way 256 Kbytes the number of entries H 3FFF Sets the capacity of the operand cache Four ways way 0 to way 3 are all valid and the number of entry changes The number of entries in each way is the same 8 Kbyte 8 Kbyte cache capacity One way 2 Kbytes the number of entries H 007F 16 Kbyte 16 Kbyte cache capacity One way 4 Kbytes the number of entries H OOFF 157 RENESAS SuperH RISC engine Simulator Debugger User s Manual 32 Kbyte 64 Kbyte 128 Kbyte 256 Kbyte 512 Kbyte 1 Mbyte 32 Kbyte cache capacity default One way 8 Kbytes the number of entries H O1FF 64 Kbyte cache capacity One way 16 Kbytes the number of entries H 03FF 128 Kbyte cache capacity One way 32 Kbytes the number of entries H 07FF 256 Kbyte cache capacity One way 64 Kbytes the number of entries H OFFF 512 Kbyte cache capacity
86. cre inrer e re Ren 151 3 12 4 Searching the Cache It m s ee rere etre t He emeret epu 152 3 12 5 Continuing the Cache Search essere 152 3 12 6 Modifying the Cache Capacity 00 eee eecceseesseeseeeseeeeeeseceneseeetseesaeenaeeeaeeneeee 153 3 12 7 Saving the Currently Displayed Contents eee 158 3 13 Viewing the Contents of Register Banks 00 0 eeeeeeeseceeeeeeeeeeeseeeeseeeaeeeaeeeaeesseesaeeeaes 159 3 13 1 Opening the Register Bank Window eee 159 3 13 2 Modifying the Contents of Register Banks seen 160 3 13 3 Changing the Radix sicnt inte re per ep or ae e per ERU 160 3 14 Creaung a Virtual VO Panel ere erecti tere nee ees 161 3 14 1 Opening the GUI I O Window esee eene eene 162 3 14 2 Creating a Button REPE REP CRERR EEE ETRE SAA 163 3 14 3 Creatine a Label esee er tret teen aet ter EHE Deren ERE eee 165 S144 Creating an LED etched enya 168 3 14 5 Creatine Fixed Text oe ty t envie een eoi bre 171 3 14 6 Changing the Size and Position of an Item esee 173 3 14 7 Copying an Item cete deer de Ee Re SERE HE ECER eR FERE YR Ee dE RR eu 173 3 14 8 Deleting an Item einen e eee titor eeteistin 173 3 14 9 Showing the Grid ette espe eet Eo tete eet ela de db ee HERE S 174 3 14 10 Saving I O Panel Information eese enne rennen 174 3 14 11 Loading I O Panel Information
87. ction set level simulation The number of cycles however still might not match the result on the actual device To figure out the exact number of execution cycles execution time we recommend that you use the actual device on the emulator or evaluation board 8 The simulator debugger supports the following SuperH RISC engine series microcomputer functions e All CPU instructions e Exception processing e Registers e All address space e Peripheral functions shown in table 2 1 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 2 1 Simulator Debugger Functions and Corresponding CPUs Names of Debugging Platforms Endian MMU Cache Register BSC DMAC Timer SH 1 A SH 2 O SH 2E SH 3 O O O O A SH 3E O O O O SH3 DSP O O O O A SH3 DSP Functional Simulator O O O A SH3 DSP Core O O O O A SH 4 O O O O A A SH 4 Functional Simulator O O O SH 4BSC O O O O O O A SH 4 SH7750R O O O O A A SH2 DSP SH7410 SH2 DSP Core SH2 DSP SH7065 O A SH2 DSP SH7612 O O O SH 2A FPU O O A SH 4A O O O O A SH 4AL DSP O O O O A Note O Supported Not supported Partly supported RENESAS SuperH RISC engine Simulator Debugger User s Manual 9 The simulator debugger doe
88. ctions in the D stage No Instruction number corresponds to execution number in each stage Address Executed instruction address Code Executed instruction code Instruction Executed instruction mnemonic Access Data Data access information display format destination accessed data Source C C or assembly language source programs Label Labels 88 RENESAS SuperH RISC engine Simulator Debugger User s Manual SH2A FPU and SH 4A Series Instruction 0000003089 00002000 MOY L R14 R15 0000003090 00002002 STS L PR G R15 0000003090 00002004 ADD H C8 R15 0000003091 00002006 MOV L G H D1BC 8 PC 0000003092 00002008 MOV R2 8 R15 0000003093 00002004 MOV a H O1BC 8 PC 0000003093 0000200c JSR GR3 0000003094 0O0000200E NOP 0000003101 00002764 STS PR G R15 0000003102 200002766 FP DE MOV R15 R6 0000003103 200002768 ADD H 04 R6 0000003105 00002764 FP ODE MOV R6 R5 0000003106 0000276c FP DE ADD H 04 R5 0000003108 0000276E FP DE MOV R5 R0 Fi b Mr aec C a Figure 3 32 Trace Window SH 4A Series This window displays the following trace information items PTR Pointer in the trace buffer 0 for the last executed instruction Cycle Total number of instruction execution cycles cleared by pipeline reset Address Program counter value Code Executed instruction code Pipeline Pipeline execution status Each symbol has the following meaning F Instruction fetch
89. cution Take necessary procedures such as updating the PMB contents Register Bank Overflow An interrupt that uses register banks was generated after acceptance of register bank overflows had been selected and data had been saved in all register banks Register Bank Underflow A RESBANK instruction was executed when no data had been saved in the register banks Slot FPU Disable An attempt was made to execute an FPU instruction in a delay slot while the FPU is disabled SR FD 1 Correct the user program to prevent the error System Call Error Simulated I O error occurred Modify the incorrect contents of registers RO R1 and parameter block 195 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 6 2 Message The memory resource has not been set up Error Messages cont Contents The memory resource was set outside the range of memory mapping Modify the memory resource settings so that no error will occur TLB Invalid TLB invalid exception occurred during simulation or command execution Take necessary procedures such as updating the TLB contents TLB Miss TLB miss occurred during simulation or command execution Take necessary procedures such as updating the TLB contents TLB Multiple Hit Multiple TLB entries were hit when a virtual address was accessed during simulation or command execution TLB is not correctly set Modify TLB contents and user program ha
90. cution cycles Address Instruction address Instruction Instruction mnemonic Clicking the OK button stores the settings and starts searching Clicking the Cancel button closes this dialog box without searching When a trace record that matches the search conditions is found the line for the trace record will be displayed in blue When no matching trace record is found a message dialog box will appear If a search operation is successful choosing Find Next from the pop up menu will move to the next found item 91 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 5 5 Clearing the Trace Information Choose Clear form the pop up menu to empty the trace buffer that stores the trace information If more than one Trace window is open all Trace windows will be cleared as they all access the same buffer 3 5 6 Saving the Trace Information in a File Choose Save from the pop up menu to open the Save As dialog box which allows the user to save the contents of the trace buffer as a text file A range can be specified based on PTR Note that this file cannot be reloaded into the trace buffer 3 5 7 Viewing the Source File The Editor window corresponding to the selected trace record can be displayed in the following two ways e Select a trace record and choose View Source from the pop up menu e Double click a trace record The Editor or Disassembly window opens and the selected line is m
91. d instruction Cycle Total number of instruction execution cycles cleared by pipeline reset Address Program counter value Code Instruction code IF Instruction number that was fetched enclosed by when the instruction did not access memory DE Instruction number that was decoded EX Instruction number that was executed MA Instruction number that accessed memory SW Instruction number that wrote back data No Instruction number corresponds to execution number in each stage Instruction Instruction mnemonic 86 RENESAS SuperH RISC engine Simulator Debugger User s Manual Access Data Data access information display format destination lt accessed data Source C C or assembly language source programs Label Labels SH 4 Series No Address 00002000 00002002 w E ti d 0000020384 00002008 0000020385 0000200 0000020388 0000200 0000020394 0000200 0000020394 0000200 0000020404 00002010 0000020407 00002014 0000020408 00002014 0000020411 00002014 0000020418 00002018 0000020419 0000201c 0000020426 00002764 0000020434 00002768 0000020442 0000276C KE I 00002004 00002006 00002008 00002004 D0000200c 0000200 x x X X X Oc X MA O OG 0 X x x xX Ornmx mooooOootusxx x x X OR KX toO OG U Ud X X X x Hm X KKK KK KK KR KK X ex X 0X 0X X KK KK KK X C x x 0X 0X 0X X KK XX OX X WK x X 0X 0X 0X 0X KK KK OX KR OX OK x x 0X 0X 0X 0X 0X X X X OX X X OX
92. data in the ascending order using the sort function 3 Inputs the array generated by the sort function and sorts the data in the descending order using the change function 4 Displays the random data and the sorted data using the printf function The HEW demonstration program is used as the sample program 7 1 2 Creating the Sample Program Note the following when creating the HEW demonstration program e Specify Demonstration for Project Type in Creating a New Workspace e Specify SH 1 for CPU Series e Specify SH 1 Simulator for Target e Specify SimDebug_SH 1 Simbebua SH zl for the configuration on the toolbar before building the project e Specify SimSession_SH 1 SimSessionsH 1 H for the session on the toolbar e This demonstration program uses no peripheral function timer In the Set Peripheral Function Simulation dialog box that opens when the session is changed check Don t show this dialog box and then press the OK button 197 RENESAS SuperH RISC engine Simulator Debugger User s Manual Since this section explains the debugging function Demonstration has not been optimized Do not change this setting 7 2 Settings for Debugging 7 2 1 Allocating the Memory Resource The allocation of the memory resource is necessary to run the application being developed When using the demonstration project the memory resource is allocated automatically so check the setting e S
93. e operand cache and two 32 byte store queues SQ The following windows and dialog boxes are provided to manipulate the cache contents e Instruction cache window Displays and flushes the instruction cache contents e Operand cache window Displays and flushes the operand cache contents e Cache item modify dialog boxes Modifies the cache items e Cache item find dialog boxes Searches for the cache items For details refer to section 3 12 Viewing the Cache Contents The instruction cache is mapped in the range of addresses H F0000000 to H F1FFFFFF the operand cache is mapped in the range of addresses H F4000000 to H F5FFFFFF and the SQ is mapped in the range of addresses H E0000000 to H E3FFFFFF Note If an associative write to a cache entry or modification of a cache address array is performed by using the Memory window the entry or array may not be modified correctly In this case use the Edit dialog box in the longword format To open the Edit dialog box in the longword format open the Memory window in the longword format and double click the data to be modified The simulator debugger does not change the high order three bits of the address tag stored in a cache address array to zeros When loading a program to the area where the cache is mapped by using the Load Object File dialog box or by copying memory data to this area via the Copy Memory dialog box clear the AT bit of the MMUCR to zero to disable the MMU RENE
94. e Simulator Debugger User s Manual 3 4 Using the Simulator Debugger Breakpoints Sophisticated breakpoint functions are available in the simulator debugger in addition to the HEW standard PC breakpoints The user can specify break conditions and actions after a break condition is satisfied and can display the breakpoints set 3 4 1 Listing the Breakpoints Choose View gt Code gt Eventpoints or click the Eventpoints toolbar button Em to open the Event window which lists the breakpoints set Event D A XE Type Action BP Enable PC 00001000 Demo SH1 c 22 main Stop 4 b i y Software Break Software Event Figure 3 15 Event Window 66 RENESAS SuperH RISC engine Simulator Debugger User s Manual The following items are displayed Type Break types BP PC break BA Access break BD Data break BR Register break register name BS Sequential break BCY Number of cycles break State Whether the breakpoint is enabled or disabled Enable Valid Disable Invalid Condition Condition that causes a break The contents to be displayed depend on the type of the break When the type of the break is BR the register name is displayed and when the type of the break is BCY the number of cycles is displayed BP PC Program counter Corresponding file name line and symbol name BA Address Address Symbol name BD Address Address Symbol name BR Register Register name
95. e the FPU is disabled SR FD 1 Correct the user program to prevent the error 192 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 6 2 Error Messages cont Message FPU Error Contents One of the following states occurred during floating point operation e An FPU error e Aninvalid operation e A division by zero e An overflow e An underflow e Aninaccurate operation Correct the user program to prevent the error General Invalid Instruction Either of the following states occurred e Acode other than an instruction was executed e Anerror occurred in the exception processing of a reserved instruction exception Correct the user program to prevent the error Illegal CCR2 Set The CCR2 value is illegal Check the setting Illegal Combination BSC Register An attempt was made to access the area for which the BSC register setting was invalid Correct the user program to prevent the error Illegal DSP Either of the following states occurred Operation e Ashift of more than 32 bits was executed with the PSHA instruction e Ashift of more than 16 bits was executed with the PSHL instruction Correct the user program to prevent the error Illegal LRU Set The LRU value of the cache is invalid Check the setting Illegal Operation Either of the following states occurred e A division by zero occurred during DIV1 instruction execution e Zero was written to by the SETRC in
96. e the same The selected entry is displayed in green The following items are displayed in the ROM cache window Entry Entry number in the ROM cache V Validity bit When this bit is 1 the entry is valid LRU Numerical string that determines which way s entry should be replaced when a cache miss occurs The same LRU value is assigned to the same entry in all ways Tag Address Tag address Longword0 to Longword data 0 to 3 set to the operand cache entry Longword3 150 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 12 2 Modifying the Cache Contents Selecting Modify from the pop up menu with a cache item selected opens the dialog box to modify the selected cache item Note that during execution of an instruction the Modify menu is disabled and the cache items cannot be modified Set Tag Address Way 0 Entry 0x0 Tag Address H o0000000 z Cancel Figure 3 75 Modify Cache Dialog Box Tag Address is Selected in SH 3 This dialog box allows the currently selected cache item to be modified The selected cache item and entry number are displayed in the caption of the dialog box The way number is also displayed for a cache with ways The item name in the dialog box displays the selected cache item Clicking the OK button stores the newly entered contents in the cache Clicking the Cancel button closes the dialog box without storing the newly entered contents in the cache
97. ect Registers from the View gt CPU menu Register Value DOO00O000A 00000000A 00000000A 00000128 OFFFFE60 00006144 OFFFE199 OFFFE19A ooo00000 ooo00000 ooooo000 oooo0000 ooo0o0000 ooooo0000 00000000A DFFFFFBD DO00013F8 00000000000000000000000111110001 Q1111 T oooo0o0000 ooo00000 ooooo0000 oooo0o0000 OOO013EE Figure 7 13 Register Window Register values when the program is terminated can be checked 209 RENESAS 7 3 SuperH RISC engine Simulator Debugger User s Manual 2 Using the Trace Buffer The trace buffer can be used to clarify the history of instruction execution Select Trace from the View gt Code menu to open the Trace window Scroll up to the very top of the window EE utgid Cycle Address Pipeline Instruction Access Data Source 0000057043 0000057046 0000057047 0000057049 0000057050 0000057052 0000057053 0000057055 0000057058 0000057059 0000057061 0000057062 0000057064 0000057066 0000057068 00000100E 00001010 0000118 0000118 00001190 00001192 00001194 00001196 00001198 0000119 0000119 00001140 00001142 00001144 00001146 fD gt E FF D gt E FFDE gt fD gt E FFDE gt fD gt E FFDE2MW fD gt E FF D gt E FFDE gt fD gt E FFDE2MW D gt EMW FFD lt E gt MW f lt D gt E RTS NOP ADD MOV CMP HI BT MOV BRA NOP MOV ADD LDS MOV MOV RTS L HFF R13 00 R1 R1 R13 00001180 00000008
98. ection 3 12 Viewing the Cache Contents The address array and data array of the instruction cache are mapped to the ranges of addresses H F0000000 to H FO7FFFFF and H F1000000 to H F17FFFFF respectively The address array and data array of the operand cache are mapped to the ranges of addresses H F0800000 to H FOFFFFFF and H F1800000 to H F1FFFFFF respectively Notes 1 If an associative write to a cache entry or modification of a cache address array is performed by using the Memory window the entry or array may not be modified correctly In this case use the Edit dialog box in the longword format To open the Edit dialog box in the longword format open the Memory window in the longword format and double click the data to be modified 2 If you attempt to change instruction cache enabled data via the Disassembly or Memory window only the external memory content is updated the actual instruction cache data are not affected To change instruction cache enabled data disable the instruction cache beforehand RENESAS SuperH RISC engine Simulator Debugger User s Manual SH 4A Series The simulator debugger simulates operations of the instruction cache and the operand cache With the SH 4A level 2 cache and two 32 byte store queues SQ are simulated The following windows and dialog boxes are provided to manipulate the cache contents Instruction cache window Displays and flushes the instruction cache contents Operand
99. ed The following items are displayed Index Index number of the set condition Function Name of the function to be measured or the start address of the function Cycle Total number of instruction execution cycles Count Total number of calls for the function 46 Ratio of execution cycle count required for the function to the execution cycle count required for the whole program Histogram Histogram display of the above ratio 110 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 7 2 Specifying a Target Function After the Performance Analysis window is open choose Add Range from the pop up menu or press the Insert key to open the Performance Option dialog box which allows the user to specify a function to be analyzed Performance Option 21x Function Name xj Cancel Figure 3 44 Performance Option Dialog Box This dialog box specifies a function including a label to be evaluated Up to 255 functions can be specified in total Clicking the OK button stores the setting Clicking the Cancel button closes this dialog box without setting the function to be evaluated Select a function that has been set and choose Edit Range from the pop up menu or press the Enter key to open the Performance Option dialog box and to change the function to be evaluated 3 7 3 Starting Performance Data Acquisition Choose Enable Analysis from the pop up menu to start acquiring performan
100. ed coverage information 3 8 10 Saving Coverage Information in a File Choose Save Data from the pop up menu to open the Save Data dialog box which allows the user to save the coverage information in a file Save Data 24 x File name filet cov gt Browse Cancel Figure 3 50 Save Data Dialog Box This dialog box specifies the location and name of a coverage information file to be saved The placeholder or the Browse button can be used If a file name extension is omitted COV is automatically added If a file name extension other than COV or TXT is specified an error message will be displayed 118 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 8 44 Loading Coverage Information from a File Choose Load Data from the pop up menu to open the Load Data dialog box which allows the user to load the coverage information from a file Eie name fi gt Browse Cancel Figure 3 51 Load Data Dialog Box This dialog box specifies the location and name of a coverage information file to be loaded The placeholder or the Browse button can be used Only COV files can be loaded If a file name extension other than COV is specified an error message will be displayed 3 8 42 Updating the Information Choose Refresh from the pop up menu to update the Coverage window to the latest information 119 RENESAS SuperH RISC engine Simulator Debugge
101. ed action e File Input Set File Input Action 2 xl Input file 7 Y Browse Ue m Destination Address H o0000000 Data size fi Count D1 Figure 3 24 Set File Input Action Dialog Box When the condition is satisfied data are read out from the specified file and written to the specified location in memory Input file File from which data are to be read out When reading out by the simulator debugger reaches the end of the file reading out recommences from the beginning of the same file Address Memory address to which data should be written Data size Size of each data value in bytes 1 2 4 8 Count Number of values to be written H 1 to H FFFFFFFF when the prefix is omitted values input are taken as decimal and the display is in decimal notation 76 RENESAS SuperH RISC engine Simulator Debugger User s Manual e File Output Set File Output Action Output file Browse EE Source Address Hroonoo000 Data size fi Count D1 Figure 3 25 Set File Output Action Dialog Box When the condition is satisfied the contents at the specified location in memory are written to the specified file Output file Data file to which data are written Append Selects whether the data should be appended to the file if an existing file is specified as the output file Address Memory address to read data from Data size
102. eet clicking the bank s sheet displays the its contents The contents of a currently disabled bank are grayed out The following items are displayed in the window Name Register name Value Value Radix Radix for display 3 13 2 Modifying the Contents of Register Banks Selecting Modify from the pop up menu with a register bank item selected opens the dialog box to modify the selected register bank item Set RO BankO RO ooooo000 Cancel Radix Hexadecimal m Figure 3 81 Register Value Setting Dialog Box This dialog box allows the currently selected register bank item to be modified The selected register bank item and bank number are displayed in the caption of the dialog box The item name in the dialog box displays the selected register bank item Clicking the OK button stores the newly entered contents in the register bank Clicking the Cancel button closes the dialog box without storing the newly entered contents A value can be directly input in the window 3 13 3 Changing the Radix To change the radix for display select Radix from the pop up menu with a register bank item selected 160 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 Creating a Virtual I O Panel The simulator debugger has a GUI I O function for simulating a simple key input or key output panel of the user target system in a window This virtual I O panel is created in the GUI I O wind
103. elect Simulator Memory Resource from the Setup menu and display the allocation of the current memory resource Simulator System System Memory Memory Map va g Memory Resource a A Q0000000 O5FFFEFF EXT ooo00000 OOOO7FFF Read wt OSFFFFOO OSFFFFFF I O OSFFFFOO OSFFFFFF Read wt O6000000 OFFFDFFF EXT OFFFEOOO OFFFFFFF Read wt OFFFEQOQ OFFFFFFF RAM 10000000 FFFFFFFF EXT Figure 7 1 Simulator System Dialog Box Memory Page 198 RENESAS SuperH RISC engine Simulator Debugger User s Manual The program area is allocated to the range of the addresses H 00000000 to H 00007FFF The stack area is allocated to the range of the addresses H OFFFEO000 to H OFFFFFFF which can be read from or written to e Close the dialog box by clicking OK The memory resource can also be referred to or modified by using the Debugger page on the SuperH RISC engine Standard Toolchain dialog box Changes made in either of the dialog boxes are reflected 7 2 2 Downloading the Sample Program When using the demonstration project the sample program to be downloaded is automatically set so check the settings e Open the Debug Setting dialog box by selecting Debug Settings on the Debug menu Debug Settings SimSessionSH 1 v Target Options gd Tutorial Target sua Simulator zl Default Debug Format Elf Dwark2 Download Modules Offset Address Add CONFIGDIR NS PRO
104. ep Over from the Debug menu or click the Step Over button on the toolbar to step over the statements in the printf function t Figure 7 25 Step Over Button fe Turia M unix Source ML G S Same 00001340 pues main void long amp 10 min max long j int i 00001348 printf fii Data Input fiin 00001362 for i 0 i lt 10 itt O00013BA j rand 000013C2 ifCGj lt 001 00001366 ees 00001368 ali i 00001304 printf a d 73ldXn i a i 00013F8 sort a 000013FE printf ssx Sorting results n 00001404 00001412 printf a d 73ldXn i a i 00001436 00001438 00001434 0000143C 0000143E 00001444 00001446 0000144E nng n n n dH Figure 7 26 Source Window Step Over 218 RENESAS SuperH RISC engine Simulator Debugger User s Manual When the printf function has been executed Sorting results will be displayed in the Simulated I O window 7 3 8 Checking Profile Information The profile information can be checked in the Profile window e Clicking the Go button and continuing execution from the current PC executes the SLEEP instruction and then stops List Sheet Displays the profile information as a list e Open the Profile window by selecting Profile from the View gt Performance menu The List sheet will be displayed rj 00001340 H 000000B2 00001452 H 0000009E 000014
105. er s Manual 3 8 45 Displaying the Coverage Information in the Editor Window The coverage information is reflected to the Editor window by highlighting the Coverage columns corresponding to the source lines of executed instructions When the coverage settings are modified in the Coverage window the Coverage column display will be updated Demo_SH2 c amp amp a amp Source Ad Coverage 00001000 woid main void long a 10 min max long j int i 00001006 printt Data Input 00001012 for i O i 10 i 0000101a j rand 00001022 if j lt O 00001026 j j 00001028 a i j 00001034 printf a sda sld n i a i 00001058 sort a Figure 3 54 Coverage Column Source 122 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 8 16 Displaying the Coverage Information in the Disassembly Window The coverage information is reflected to the Disassembly window by highlighting the Coverage ASM columns corresponding to the disassembly lines of executed instructions When the coverage settings are modified in the Coverage window the Coverage ASM column display will be updated E Demo_SH2 c Disassembly Coverage ASM S Disassembly Disassembly 00001000 MOV R14 R15 00001002 STS PR R15 00001004 ADD H C8 R15 00001006 MOV B H O1A4 8 PC 00001008 MOV R2 R15 00001004 MOV B H O1A4 8 PC o000100
106. es The instruction address before the instruction that caused the error The slot address if an error occurs when a branch destination is read e When an instruction is executed The instruction address following the instruction that caused the error Illegal Operation The instruction address following the instruction that caused the error Illegal DSP Operation The second instruction address following the instruction that caused the error Invalid DSP The second instruction address following the instruction that caused the Instruction Code error TLB Multiple Hit The address of the instruction that caused the error Use the following procedure when debugging programs that include instructions that generate simulation errors 1 First execute the program in the stop mode and confirm that there are no errors except those in the intended locations 2 After confirming the above execute the program in the continuation mode Note If an error occurs in the stop mode and simulation is continued after changing the simulator debugger mode to the continuation mode simulation may not be performed correctly When restarting simulation always restore the register contents general control and system registers and the memory contents to the state prior to the occurrence of the error 34 RENESAS SuperH RISC engine Simulator Debugger User s Manual Break Due to a Trace Buffer Overflow After the Break mode is specified
107. es this dialog box 3 6 Viewing the Profile Information The profile function enables function by function measurement of the performance of the application program in execution This makes it possible to identify parts of an application program that degrade its performance and the reasons for such degradation The HEW displays the results of measurement in three windows according to the method and purpose of viewing the profile data 3 6 1 Stack Information Files The profile function allows the HEW to read the stack information files extension SNI which are output by the optimizing linkage editor ver 7 0 or later Each of these files contains information related to the calling of static functions in the corresponding source file Reading the stack information file makes it possible for the HEW to display information related to the calling of functions without executing the user application i e before measuring the profile data However this feature is not available when Setting gt Only Executed Functions is checked in the pop up menu of the Profile window When the HEW does not read any stack information files only the data on the functions executed during measurement will be displayed by the profile function To make the linkage editor create a stack information file choose Build gt SuperH RISC engine Standard Toolchain and select Other from the Category list box and check the Stack information output box in
108. ess the LJ button on the toolbar or choose Display Grid from the pop up menu This displays the grid on the background GUI 1 0 new panel Figure 3 95 GUI I O Window Show Grid Clicking the T button again hides the grid 3 14 10 Saving I O Panel Information It is possible to reuse created I O panels by saving the information in files Press the fl button on the toolbar or choose Save from the pop up menu to open the Save GUI I O Panel File dialog box Specify the directory where the file is to be stored and enter the file name 3 14 11 Loading I O Panel Information Press the i button on the toolbar or choose Load from the pop up menu to open the Load GUI T O Panel File dialog box Specify the file you wish to load Panel information prior to the load will be deleted 174 RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 4 Windows Table 4 1 lists the windows Refer to the simulator debugger help about the toolbar buttons Table 4 1 Simulator Debugger Windows Window Name Cache Function Viewing the cache contents Command Line Debugging with the Command Line Interface Coverage Acquiring Code Coverage Disassembly Viewing the Assembly Language Code Editor Viewing a Program Event Using the Simulator Debugger Breakpoints GUI I O Creating a Virtual I O Panel Image Displaying Memory Contents as an Image IO Viewin
109. esses of the memory area e Number of memory access cycles e Memory data bus width The memory types that can be specified differ depending on the CPU For details refer to section 3 2 Modifying the Simulator Debugger Settings The user program can be executed in all areas except for the internal I O area Memory Resource Specification A memory resource must be specified to load and execute a user program The following items can be specified e Start address e End address e Access type The access type can be readable writable read only or write only Since an error occurs if the user program attempts an illegal access for example trying to write to read only memory such an illegal access in the user program can be easily detected For details on memory resource setting refer to section 3 2 2 Modifying the Memory Map and Memory Resource Settings 28 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 44 Trace The simulator debugger writes the execution results of each instruction into the trace buffer The conditions for trace information acquisition can be specified in the Trace Acquisition dialog box Right clicking on the Trace window displays the pop up menu Choose Acquisition from the pop up menu to display the Trace Acquisition dialog box The acquired trace information is displayed in the Trace window The trace information displayed in the Trace window differs according to the CPU
110. exception is detected when the BL bit in the SR is 1 reset vector address H A0000000 is set in the PC regardless of the exception source 6 Starts instruction execution from the address set in the PC 26 RENESAS SuperH RISC engine Simulator Debugger User s Manual e When Stop is selected stop mode Executes steps to 5 above then stops SH 4 Series and SH 4A e When Continue is selected continuation mode 1 7 Detects an exception during instruction execution 2 Saves the PC and SR to the SPC and SSR respectively 3 Sets the BL bit RB bit and MD bit in the SR to 1 4 5 Sets an exception code in control register EXPEVT If necessary appropriate values are set Sets the FD FPU disable bit in the SR to O at reset in other control registers Sets the PC to the vector address corresponding to the exception source If an exception is detected when the BL bit in the SR is 1 reset vector address H A0000000 is set in the PC regardless of the exception source Starts instruction execution from the address set in the PC e When Stop is selected stop mode Executes steps 1 to 6 above then stops 27 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 13 Memory Management Memory Map Specification A memory map is used to calculate the number of memory access cycles during simulation The following items can be specified e Memory type e Start and end addr
111. fied as the data allocation format in the memory This enables a user program created in the little endian format to be simulated and debugged Specify the endian when selecting the debugging platform When Little endian is added to the platform name it indicates little endian otherwise big endian The specified endian is valid for all accesses to external memory It is also valid for accesses to the X or Y memory with the SH3 DSP series the L memory with the SH 4A series and the X Y or U memory with the SH4AL DSP series Word or longword data is written to or read from the memory in the specified byte order Note The specified endian is applied to all accesses to external memory in common The SH2 DSP SH7612 and SH2 DSP SH7065 have the function to specify endian in memory area units but the simulator debugger does not support this function RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 7 Memory Management Unit MMU For the SH 3 SH 3E SH3 DSP series SH 4 series and SH 4A series the simulator debugger simulates MMU operations such as TLB operations address translation or MMU related exceptions TLB miss exception TLB protection exception TLB invalid exception and initial page write exception The user program using address translation by the MMU can thus be simulated and debugged In addition the MMU related exception handler routines can be simulated and debugged The MMU functions differ
112. for in column units Note that during execution of an instruction the Find menu is disabled and the TLB item cannot be searched for Find TLB Find Column VPN Cancel Find Value r o0000000 Figure 3 68 Find TLB Dialog Box This dialog box searches for a TLB item The following search conditions can be specified Search column Item to be searched for Search value Value to be searched for After setting the search conditions the search can be started by clicking the OK button As a result the matching entry is highlighted Clicking the Cancel button closes the dialog box without searching for a TLB item 3 11 5 Continuing the TLB Search The next matching TLB item can be searched for with the search conditions that have previously been set In the state where a matching TLB item was found in the preceding search select Find Next from the pop up menu Note that during execution of an instruction the Find Next menu is disabled and the next matching TLB item cannot be searched for 142 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 11 6 Saving the Currently Displayed Contents The contents currently displayed in the window can be saved in a text file Select Save to File from the pop up menu 3 12 Viewing the Cache Contents The cache window is used to display the cache contents in a CPU with cache The cache window differs depending on the CPU Read the descripti
113. for the sheet to be displayed is clicked Invalid ways are displayed in gray The SH 4 and SH 4BSC have only one way 146 RENESAS The following items are displayed in the instruction cache window Entry V LRU Tag Address Longword0 to Longword7 SuperH RISC engine Simulator Debugger User s Manual Entry number in the instruction cache depends on the cache capacity Validity bit When this bit is 1 the entry is valid Numerical string that determines which way s entry should be replaced when a cache miss occurs The same LRU value is assigned to the same entry in all ways Tag address Longword data 0 to 7 set to the instruction cache entry In the SH2A FPU longword data 0 to 3 e Operand cache window E Operand Cache H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 0000000 H 00000000 H 00000000 H 00000000 Lonqword H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 0000000 H 00000000 H 0000000 H 0000000 Lonqwordl H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 0000000 H 00000000 H 0000000 H 0000000 LonqwordZ Lonqword3 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 0000000 H 00000000 H 0000000 H 00000000 Figure 3 72 Operand Cache Window SH 4 SH7750R H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H o0000000 H o0000000
114. for watching 119 WATCH_AUTO_ WU Selects or cancels automatic updating of watched UPDATE items 120 WATCH_DELETE WD Deletes a watched item 121 WATCH_DISPLAY WI Displays the contents of the Watch window 122 WATCH_EDIT WE Edits the value of a watched item 123 WATCH EXPAND WX Expands or collapses a watched item 124 WATCH RADIX WR Changes the radix for display of watched items 125 WATCH RECORD WO Outputs the history of updating of the values of a watched item to a file 126 WATCH SAVE WS Saves the contents of the Watch window to a file 189 RENESAS 190 SuperH RISC engine Simulator Debugger User s Manual RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 6 Messages 6 1 Information Messages The simulator debugger outputs information messages as listed in table 6 1 to notify users of execution status Table 6 1 Information Messages Message Break Access Access Contents An access break condition was satisfied so execution has stopped The Address H nnnnnnnn Type xxxx Access Size yyyy information in parentheses shows the satisfied access break condition accessed address access type and access unit Break Cycle Cycle H nnnnnnnn A number of cycles condition was satisfied so execution has stopped The information in parentheses shows the satisfied number of cycles condition number of cycles Break Data Access Address H nnnnnnnn Data H mmmmmmmm A data b
115. ftware Event tab 68 RENESAS SuperH RISC engine Simulator Debugger User s Manual Selecting a Break Type Selecting Add from the popup menu on the Event window opens the Select Break Type dialog box Select a break type in the Break type combo box of this dialog box EEEO 2 Break type PC Breakpoint X Detail Cancel Action type File Input Detail Figure 3 16 Select Break Type Dialog Box The following options are available Break type PC Breakpoint Breakpoint set at an instruction Break Access Break on access to a memory range Break Data Break on detection of a memory value Break Register Break on detection of a register value Break Sequence Sequential breakpoints Break Cycle Break after the specified number of cycles Setting Break Conditions Click on Detail after selecting the break type in the Select Break Type dialog box This opens a dialog box that allows you to set conditions for the selected break type e PC Breakpoint Set PC Breakpoint Condition A24 xl Address H o0000000 gl Count D Cancel Figure 3 17 Set PC Breakpoint Condition Dialog Box 69 RENESAS SuperH RISC engine Simulator Debugger User s Manual Up to 1024 PC breakpoint conditions can be specified Address Address of the instruction where a break will occur Count Number of times that the specified instruction is fetched 1 to 16 383 the defau
116. g Printing in progress or Printer ready when the value of bit 3 at address Ox3EO is 0 or 1 respectively Set Label Dialog Printing in progress Printer ready Wata Dismay TH BITTE l Display Warmer l Figure 3 87 Set Label Dialog Box Bit Selection 166 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Response to writing of specified values to a selected address The settings shown below set up display of the character string Printing in progress or Printer ready when the value 0x10 or 0x20 respectively is written to address Ox3EO Set Label Dialog E3 ce rim TES On l e Printing in progress Printer ready logie bv Fosive te Weg Figure 3 88 Set Label Dialog Box Data Selection 167 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 4 Creating an LED Click on the 8E button on the toolbar or choose Create LED from the pop up menu The mouse cursor turns into a symbol Drag the mouse cursor from an upper left to a lower right position This shows the frame for the LED output GUI 1 0 new panel Figure 3 89 GUI I O Window Create LED Press the k button on the toolbar or choose Select Item from the pop up menu and double click on the created LED to open the Set LED dialog box Specify the events and responses 168 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Response to writing of
117. g Box eese 120 3 8 14 Save Coverage Data Dialog Box seseeeeeeeen eene 121 3 8 15 Displaying the Coverage Information in the Editor Window 122 3 8 16 Displaying the Coverage Information in the Disassembly Window 123 3 9 Generating a Pseudo Interrupt Manually eese 124 3 9 1 Ingger WIndOW 5 terti ene oett er eer ey ERE C REN SEO eR een 124 3 0 2 GULT O Window ertet DRE pestis e bereit 127 3 10 Standard I O and File I O Processing eene eene 131 iii RENESAS 3 10 1 Opening the Simulated I O Window eene enne 131 310 2 WO FUNCHUONS ERR 132 3 11 Viewing the TLB Contents oorr e hl Fn terret re ate E Ee eeepc pei vein d 135 3 11 1 Opening a TLB Window cere ener iet terti ep oa into rE eed 135 3 11 2 Modifying the TLB Contents nennen rene 141 3 11 3 Flushing the TLB Contents erret tette aa 141 3 11 4 Searching the TLB Items eset perte te rhe eie va aee suena 142 3 11 5 Continuing the TLB Search derbi itta tori clon ddnde 142 3 11 6 Saving the Currently Displayed Contents eee 143 3 17 Viewing the Cache Contents eret nei tei eI oie se EEI rE RNT oien 143 3 12 1 Opening a Cache Window oec ee Pe RE ERE RO PERIERE 143 3 12 2 Modifying the Cache Contents 00 0 cic ceccesceseceneceeceseeeneeseeeeeeseesaeeeaeseaeenaeens 151 3 12 3 Flushing the Cache Contents
118. g Memory Contents as Waveforms Displaying Memory Contents as an Image Modifying the Memory Contents Viewing the I O Memory Looking at Registers Executing Your Program Viewing the Current Status Synchronizing Multiple Debugging Platforms Debugging with the Command Line Interface Elf Dwarf2 Support Looking at Labels 41 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 1 Creating the Workspace for Simulator Debugger To use the simulator debugger a workspace for the simulator debugger must be created This section only describes the procedures specific to the simulator debugger For details refer to the HEW help 3 1 1 Selecting a Debugging Platform When you create a new workspace the dialog box shown below appears Specify the debugging platform depending on the CPU type endian and simulator type in step 7 New Project 7 9 Setting the Target System for Debugging iw fa Simulator Figure 3 1 Debugger Target Setting Display Step 7 42 RENESAS SuperH RISC engine Simulator Debugger User s Manual Targets Sets the debugger targets Select by checking the debugger targets No selection or a selection of more than one target is possible Target type Specifies the type of the targets displayed in Targets Note The endian type selected in step 2 will be applied to the compiler and assembler settings This is not dependent on the endian t
119. g each trigger button Trigger Selects the trigger button to be specified in detail Name Specifies a name for the selected trigger button the name will be displayed in the Trigger window Enable Checking this box enables the trigger button Interrupt Typel Sets the following values for each CPU SH 1 SH 2 and SH2 DSP series Interrupt vector number SH2A FPU Interrupt vector number SH 3 SH 4 and SH3 DSP series INTEVT H O to H FFF SH 4A series INTEVT H 0 to H 3FFF Interrupt Type2 Only selectable for the SH3 DSP series INTEVT2 H 0 to H FFF Priority Interrupt priority H O to H 11 when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation When H 10 is specified the interrupt is always accepted regardless of the value of the I bit value in SR but is masked by the BL bit in SR When H 11 is specified the interrupt is always accepted regardless of the I and BL bit values in SR Clicking the OK button stores the setting Clicking the Cancel button closes this dialog box without setting the details of the interrupt Note If the Cancel button is clicked after multiple trigger button settings are modified the modifications of all those buttons are canceled 126 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Changing the number of trigger buttons Specify the number of trigger buttons displayed in the Trigger windo
120. g the I O Memory Label Looking at Labels Local Looking at Variables local variables Memory Viewing a Memory Area Profile Profile Chart Viewing the Profile Information Performance Analysis Analyzing Performance Register Looking at Registers Register Bank Viewing the Contents of Register Banks Simulated I O Standard I O and File I O Processing Stack Trace Viewing the Function Call History Status Viewing the Current Status TLB Viewing the TLB contents Trace Viewing the Trace Information Trigger Generating a Pseudo Interrupt Manually Watch Looking at Variables any variables Wave Displaying Memory Contents as Waveforms 175 RENESAS 176 SuperH RISC engine Simulator Debugger User s Manual RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 5 Command Lines 5 1 Commands Functional Order The following tables show the commands in functional order Refer to the help about each command 5 1 1 Execution Command Name Abbreviation Function GO GO Executes user program GO_RESET GR Executes user program from reset vector GO_TILL GT Executes user program until temporary breakpoint HALT HA Halts the user program RESET RE Resets CPU STEP ST Steps program by instructions or source lines STEP_MODE SM Selects the step mode STEP_OUT SP Steps out of the current function STEP_OVER SO Steps program not stepping into
121. h the callers of the function on the left and the callees of the function on the right The numbers of times the function calls the functions or is called by the functions are also displayed in this window Profile Chart st te olin as _PowerON_Reset_PC _change Figure 3 41 Profile Chart Window Right clicking the mouse within the window displays a pop up menu Supported menu options are as follows e View Source Displays the source program or disassembled memory contents for the address of the function on which the cursor is placed when the right hand mouse button is clicked If the cursor is not placed on a function when the right hand mouse button is clicked this menu option remains gray e View Profile Chart Displays the Profile Chart window for the specific function on which the cursor is placed when the right hand mouse button is clicked If the cursor is not placed on a function when the right hand mouse button is clicked this menu option remains gray e Enable Profiler Toggles acquisition of profile data When profile data acquisition is enabled a check mark is shown to the left of the menu text 105 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Clear Data Clears the number of times functions are called Data in the List and Tree sheets of the Profile window are also cleared e Multiple View If a further Profile Chart window is opened while an existing Profile Chart window
122. hat incorporates the FPU The extended version is not supported In this manual the SH 4A series refers to the SH4AL DSP and the SH 4A 6 Pipeline simulation is supported for the SH 1 SH 2 SH 2E SH 3 SH 3E SH2 DSP SH3 DSP and SH 4 series microcomputers As well as pipeline simulation a further type of debugging target platform is available for the SH3 DSP and SH 4 microcomputers a functional simulator that supports instruction unit simulation Inclusion of Functional Simulator in the name of the debugging target indicates this kind of target In a functional simulator the number of executed instruction cycles is calculated on the assumption that each instruction is executed in one cycle RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 The SH 4A series and SH2A FPU microcomputers have two types of debugger target Inclusion of Cycle Base Simulator in the debugger target name indicates support for pipeline simulation while the inclusion of Functional Simulator indicates support for instruction unit simulation In a functional simulator the number of executed instruction cycles is calculated on the assumption that each instruction is executed in one cycle In a cycle based simulator the number of executed instruction cycles is calculated according to the contents of a table that defines the internal operation of instructions and the state of usage of resources such as registers as a result of instru
123. he cache items e Cache item find dialog boxes Searches for the cache items For the SH 3 and SH 3E series the Cache Capacity dialog box enables the cache capacity to be specified This function is unique to this simulator debugger Half of the cache can be specified as the internal RAM Table 2 3 shows the cache capacity and the ways to be used Table 2 3 Specifiable Cache Capacity for SH 3 and SH 3E Series Simulator Debugger Internal RAM Specification Cache Capacity Ways to Be Used Ways that Can Be Used as Internal RAM 8 Kbytes Ways 0 to 3 Ways 2 and 3 can be used as internal RAM 4 Kbytes Ways 0 and 1 Way 1 can be used as internal RAM 2 Kbytes Way 0 No way can be used as internal RAM internal RAM specification is ignored For details refer to section 3 12 Viewing the Cache Contents The cache is mapped in the range of addresses H F0000000 to H F1FFFFFF in the SH 3 SH 3E and SH3 DSP series In the SH2 DSP SH7612 the address array is mapped in the range of addresses H 60000000 to H 7FFFFFFF and the data array is mapped in the range of addresses H C0000000 to H C0000FFF RENESAS SuperH RISC engine Simulator Debugger User s Manual SH 4 and SH 4BSC The simulator debugger simulates operations of the 8 kbyte instruction cache the 16 kbyte operand cache and two 32 byte store queues SQ The following windows and dialog boxes are provided to manipulate the cache contents e Instruction cache window Displ
124. he pop up menu Note that during execution of an instruction the Find Next menu is disabled and the next matching cache item cannot be searched for 152 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 12 6 Modifying the Cache Capacity This function is only provided for the SH 3 SH 3E series and SH 4A series Selecting Capacity from the pop up menu opens the Cache Capacity dialog box in which the cache capacity can be modified Note that during execution of an instruction the Capacity menu is disabled and the cache capacity cannot be modified Cache Capacity m Capacity 8 Kbyte C 4 Kbyte C 2 Kbyte Figure 3 77 Cache Capacity Dialog Box SH 3 SH 3E Series This dialog box allows the cache capacity to be modified The following cache capacities can be selected 8 Kbyte 8 Kbyte cache capacity default All four ways way 0 to way 3 two ways way 0 and way 1 when the internal RAM is specified are valid 4 Kbyte 4 Kbyte cache capacity Two ways way 0 and way one way way 0 when the internal RAM is specified are valid 2 Kbyte 2 Kbyte cache capacity One way way 0 is valid The internal RAM specification is ignored Clicking the OK button modifies the cache capacity Clicking the Cancel button closes the dialog box without modifying the cache capacity 158 RENESAS SuperH RISC engine Simulator Debugger User s Manual Cache Capacity 12
125. host computer will be used If the user allocates too much memory resources operation of the host computer will be extremely slow 2 There are the following notes on memory resources for the SH2A FPU and SH 4A series a Memory resources can only be allocated on 64 kbyte boundaries If memory resource is allocated across a 64 kbyte boundary this memory resource will be aligned to 64 kbyte boundaries that include the specified memory range Similarly address ranges for attributes are also allocated on 64 kbyte boundaries XRAM and YRAM are also allocated on 64 kbyte boundaries thus the amount of memory actually used must be within the range defined in the hardware manual when specifying memory resource less than 64 kbytes b Do not clear the memory resources allocated as the I O area at default Otherwise the operation of the MMU or cache memory will be incorrect 3 3 Simulating Peripheral Functions The simulator debugger is able to simulate peripheral functions by using DLL modules This section describes how to register the peripheral function simulation modules to enable the simulation of individual peripheral functions and how to set their configurations 3 3 1 Registering Peripheral Function Simulation Modules Peripheral function simulation modules can be registered in the Set Peripheral Function Simulation dialog box which is opened on initiation of the simulator debugger Once a peripheral function simulation module has been
126. ies CPUs Vector Number Interrupt vector number for other CPUs Priority Register Address Address of the interrupt priority register and positions of bits in Bit Field Position the register 63 RENESAS SuperH RISC engine Simulator Debugger User s Manual To change the interrupt source information open the Set Interrupt Source Information dialog box by double clicking on the line for the interrupt source to be changed Set Interrupt Source Information Interrupt Source OMTU Gancel Interrupt Vector Number fi 40 Priority Register Address OxFFFEOCO4 Priority Register Size 16 bit Priority Register Bit Position 15 12 Figure 3 14 Set Interrupt Source Information Dialog Box The following items can be set or displayed in this dialog box Interrupt Source Interrupt source name INTEVT INTEVT value for SH 3 SH 4 SH 4A and SH3 DSP series CPUs when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation INTEVT2 INTEVT2 value for SH3 DSP series CPUs only when the prefix is omitted values input are taken as hexadecimal and the display is in hexadecimal notation Interrupt Vector Number Interrupt vector number for other CPUs when the prefix is omitted values input are taken as decimal and the display is in decimal notation Priority Register Address Address of the interrupt priority register Priority Register Size Size of the interrupt priorit
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128. in the System Call Address select Enable and execute the program When detecting a subroutine call instruction BSR JSR or BSRF that is a simulated I O instruction to the specified address during user program execution the simulator debugger performs I O processing by using the RO and R1 values as the parameters 132 RENESAS SuperH RISC engine Simulator Debugger User s Manual Therefore make the following settings in the user program before issuing a simulated I O instruction e Set the function code table 3 1 to the RO register MSB 1byte 1 byte LSB Function HO1 code ES e Set the parameter block address to the R1 register for the parameter block refer to each function description MSB LSB Parameter block address e Reserve the parameter block and input output buffer areas Each parameter of the parameter block must be accessed in the parameter size After the I O processing the simulator debugger resumes simulation from the instruction that follows the simulated I O instruction Note When a JSR BSR or BSRF instruction is used as a simulated I O instruction the instruction following the JSR BSR or BSRF instruction is executed as a normal instruction not a slot instruction Therefore the instruction placed immediately after the simulated I O instruction JSR BSR or BSRF must not be one that produces different results depending on whether executed as a normal instruction or as a slot ins
129. ing the read disable attribute Access to an area where memory data do not exist Access to a control register in an invalid size Illegal Operation Zero division executed by the DIV1 Operates in the same way as the instruction actual device operation Writing zero by the SETRC instruction Illegal DSP Operation Shift of more than 32 bits executed by the PSHA instruction Shift of more than 16 bits executed by the PSHL instruction Invalid DSP Instruction Code Invalid DSP instruction code Always stops TLB Multiple Hit Hit to multiple TLB entries at MMU Undefined address translation only for the SH 3 SH 3E and SH3 DSP series When a simulation error occurs in the stop mode the simulator debugger returns to the command input wait state after stopping instruction execution and displaying the error message When a memory access error occurs the address where the error occurred is also displayed Table 2 11 lists the states of the program counter PC at a simulation error stop The status register SR value does not change at a simulation error stop 33 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 2 11 Register States at Simulation Error Stop Error Message PC Value Memory Access Error e When an instruction is read SH2 DSP and SH3 DSP series The third instruction address before the instruction that caused the error SH 1 SH 2 SH 2E SH 3 SH 3E and SH 4 seri
130. instruction Cycle Total number of instruction execution cycles cleared by pipeline reset Address Bus Data on the address bus Data Bus Data on the data bus 84 RENESAS Code No Instruction IF DE EX MA SW Access Data Source Label SuperH RISC engine Simulator Debugger User s Manual Instruction code Instruction number corresponds to execution number in each stage Instruction mnemonic Instruction number that was fetched enclosed by when the instruction did not access memory Instruction number that was decoded Instruction number that was executed Instruction number that accessed memory Instruction number that wrote back data Data access information display format destination lt accessed data C C or assembly language source programs Labels 85 RENESAS SuperH RISC engine Simulator Debugger User s Manual SH3 DSP Series Address S Instruction Access Source Label 0000009231 00002000 e sais P void main void main 0000009233 00002002 0000009235 00002004 0000009237 iis S xau 0000009239 00002006 I us RR printf 0000009241 00002008 0000009243 0000009245 00002004 0000009246 0000200c 0000009248 0000009250 0000009252 0000009254 000026F0 0000009256 000026F2 Figure 3 30 Trace Window for SH3 DSP Series This window displays the following trace information items PTR Pointer in the trace buffer 0 for the last execute
131. ion 17 18 2 Elf Dwarf2 Support in the High performance Embedded Workshop V 4 03 User s Manual RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 3 Range of Simulation 1 The simulator debugger provides simulation functions for the SuperH RISC engine series SH 1 SH 2 SH 2E SH 3 SH 3E SH2 DSP SH3 DSP SH 4 SH2A FPU and SH 4A series microcomputers 2 The SH2 DSP series consists of the SH2 DSP Core the SH2 DSP SH7410 and the SH2 DSP SH7065 which do not have cache and the SH2 DSP SH7612 which has on chip cache In this manual the SH2 DSP series refers to the SH2 DSP Core the SH2 DSP SH7410 the SH2 DSP SH7065 and the SH2 DSP SH7612 3 The SH3 DSP series consists of the SH3 DSP Core and the SH3 DSP these two types have different DSP functions In this manual the SH3 DSP series refers to the SH3 DSP Core and the SH3 DSP 4 The SH 4 series consists of two types of microcomputers SH 4 and SH 4 SH7750R which have different cache specifications In addition the SH 4 has two different versions of microcomputers one improves the simulation speed by limiting part of the simulation functions called SH 4 in this manual and the other provides high level functions called SH A4BSC in this manual Note that in this manual the SH 4 series refers to the SH 4 the SH 4BSC and the SH 4 SH7750R 5 The SH 4A series consists of the SH4AL DSP that incorporates the DSP and the SH 4A t
132. is already open this option selects whether a new window is opened or the new data is displayed in the existing window When a check mark is shown to the left of this menu item a new window will be opened e Output Profile Information Files Displays the Save Profile Information Files dialog box Profiling results are saved in a profile information file pro extension The optimizing linkage editor optimizes user programs according to the profile information in this file For details on optimization with the profile information refer to the user s manual for the optimizing linkage editor e Expands Size Redo the display with larger intervals between functions The key can also be used to do this e Reduces Size Redo the display with smaller intervals between functions The key can also be used to this 3 6 10 Types and Purposes of Displayed Data The profile function is able to acquire the following information Address You can view the locations in memory to which the functions are allocated Sorting the list of functions and global variables in order of their addresses allows the user to view the way the items are allocated in the memory space Size Sorting in order of size makes it easy to find small functions that are frequently called Setting such functions as inline may reduce the overhead of function calls If you are using a device which incorporates a cache memory greater amount of cache memory will need to be
133. is granted hereby under any patents copyrights or other intellectual property rights of Renesas Electronics or others You should not alter modify copy or otherwise misappropriate any Renesas Electronics product whether in whole or in part Descriptions of circuits software and other related information in this document are provided only to illustrate the operation of semiconductor products and application examples You are fully responsible for the incorporation of these circuits software and information in the design of your equipment Renesas Electronics assumes no responsibility for any losses incurred by you or third parties arising from the use of these circuits software or information When exporting the products or technology described in this document you should comply with the applicable export control laws and regulations and follow the procedures required by such laws and regulations You should not use Renesas Electronics products or the technology described in this document for any purpose relating to military applications or use by the military including but not limited to the development of weapons of mass destruction Renesas Electronics products and technology may not be used for or incorporated into any products or systems whose manufacture use or sale is prohibited under any applicable domestic or foreign laws or regulations Renesas Electronics has used reasonable care in preparing the information included in this docu
134. lator Debugger User s Manual e Specifying the event generated by clicking the button Press the k button on the toolbar and double click on the created button to open the Set Button dialog box Set Button Dialog Ed Button Name Set m Select Button Type Input Interrupt C Input and Interrupt Input Type Address Address 30 Data 55 Length Byte Fiver pat Interopt lie lntenupt TUBez Brant D Figure 3 85 Set Button Dialog Box Enter the name of the button input port address and input data The button name must not include white space 164 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 3 Creating a Label Click on the button of the toolbar or choose Create Label from the pop up menu The mouse cursor turns into a symbol Drag the mouse cursor from a higher left to a lower right position This shows the frame for the label GUI 1 0 new panel Figure 3 86 GUI I O Window Create Label Press the k button on the toolbar or choose Select Item from the pop up menu and double click on the created label to open the Set Label dialog box Specify the responses to events The label name must not include white space 165 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Response to writing of either value to a selected bit The settings shown below set up display of the character strin
135. lt value is 1 if the prefix is omitted values input are taken as decimal and the display is in decimal notation Break Access Set Break Access Condition A214 xl Begin address H 00000000 amp gl End address F 00000000 m gl Cancel i Access type Read Write Figure 3 18 Set Access Break Condition Dialog Box Up to 1024 access break conditions can be specified Begin address First address of the range of memory for which access generates a break End address Last address of the range of memory for which access generates a break if no data is input the range corresponds to the first address alone Access type Read write or read write 70 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Break Register Set Break Register Condition E 2 xl Register mn rl Option Ead i d Cancel Data poo Data mask EFFFFFFFF Size Word o d Figure 3 19 Set Register Break Condition Dialog Box Up to 1024 register break conditions can be specified Register Register name for which the break condition is specified Option Match or mismatch with the data Data Data value used in the break condition if no data is input here a break will occur whenever data is written to the register Data mask Mask condition specifying 0 for a bit masks the bit Size Data size 71 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Break
136. ly a part of bits of the following registers Table 2 7 Control Registers Supported by SH 4 SH 4 SH7750R Simulator Debugger Register Name Bit Name BCR1 ENDIAN BCR2 A6SZ A0SZ WCR1 A6IW AOIW WCR2 A6W AOW Note Values of the registers that are not supported can be modified or referenced via the IO window etc but the simulator debugger execution will not be affected 2 41 Pipeline Reset Processing The simulator debugger that simulates the pipeline execution resets the pipeline when e The program counter PC is modified after the instruction simulation stops and before it restarts e The Run command to which the execution start address has been specified is executed e Initialization is performed or the program is loaded When the pipeline is reset data already fetched and decoded is discarded and new data is fetched and decoded from the current PC In addition the number of executed instructions and the number of instruction execution cycles are zero cleared 25 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 12 Exception Processing The simulator debugger detects the generation of exceptions corresponding to TRAPA instructions general illegal instructions slot illegal instructions and address errors In addition for the SH 3 SH 3E SH3 DSP series SH 4 series and SH 4A series the simulator debugger simulates MMU related exception processing TLB miss TLB protection exception TLB i
137. mation Choose Enable All from the pop up menu and execute the user program to acquire all coverage information By default Enable All is selected 3 8 3 Clearing All Coverage Information Choosing Clear All from the popup menu clears all the coverage information that has been acquired 3 8 4 Viewing the Source Window Choose View Source from the pop up menu to open the Editor window and to display the Editor window corresponding to the cursor location in the Coverage window 3 8 5 Specifying the New Coverage Range Choose Add Range from the pop up menu to open the Coverage Setting dialog box figure 3 45 For the Coverage Setting dialog box refer to section 3 8 1 Opening the Coverage Window 3 8 6 Changing the Coverage Range e Specifying the coverage range with an address Choose the coverage range and Edit Range from the pop up menu to open the Coverage Range dialog box Coverage Range Tx Start address H 00001 000 End address H 00001 081 Cancel C File gt Browser Figure 3 48 Coverage Range Dialog Box Specifying Address 116 RENESAS SuperH RISC engine Simulator Debugger User s Manual This dialog box specifies the condition to acquire instruction execution information The following items can be specified Start address Start address When a prefix is omitted values input are taken as hexadecimal End address End address When a prefix is omitted values
138. mem the number of external memory accesses I O_area the number of internal I O area accesses Int mem the number of internal memory accesses The number of execution cycles and cache misses are calculated by subtracting the total execution cycles or cache misses at a specific function call instruction execution from the total execution cycles or cache misses at a return instruction execution of a specific function 107 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 41 Creating Profile Information Files To create a profile information file choose the Output Profile Information Files menu option from the pop up menu The Save Profile Information Files dialog box is displayed Pressing the Save button after selecting a file name will write the profile information to the selected file Pressing the Save All button will write the profile information to all of the profile information files Save Profile Information Files Profile Information files Profile Information files Demo 5H1 C AHew3 5 ample Demo_SH1 Dem Gaye Save All Browse Figure 3 42 Save Profile Information Files Dialog Box 108 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 6 12 Notes 1 The number of executed cycles for an application program as measured by the profile function includes a margin of error The profile function only allows the measurement of the proportions of execution
139. ment but Renesas Electronics does not warrant that such information is error free Renesas Electronics assumes no liability whatsoever for any damages incurred by you resulting from errors in or omissions from the information included herein Renesas Electronics products are classified according to the following three quality grades Standard High Quality and Specific The recommended applications for each Renesas Electronics product depends on the product s quality grade as indicated below You must check the quality grade of each Renesas Electronics product before using it in a particular application You may not use any Renesas Electronics product for any application categorized as Specific without the prior written consent of Renesas Electronics Further you may not use any Renesas Electronics product for any application for which it is not intended without the prior written consent of Renesas Electronics Renesas Electronics shall not be in any way liable for any damages or losses incurred by you or third parties arising from the use of any Renesas Electronics product for an application categorized as Specific or for which the product is not intended where you have failed to obtain the prior written consent of Renesas Electronics The quality grade of each Renesas Electronics product is Standard unless otherwise expressly specified in a Renesas Electronics data sheets or data books etc Standard Compu
140. mp 10 min max long j int i 00001346 printf fli Data Input Hin 000013B2 for iz0 i410 itt DI O00013BA j rand 000013C2 ifCGj lt 001 00001366 j 2 75 00001368 ali j 000013D4 printf a 3d 3IdXn i a i 00013F8 000013FE printf k Sorting results k n 00001404 for iz0 i lt 10 itt 00001412 printf a Sd 73ldXn i a i 00001436 min a 0 00001438 max a 8 00001434 min D 00001436 max 0000143E change a 00001444 min a 8 00001446 max a 0 000144E Figure 7 11 Source Window Break Status 207 RENESAS SuperH RISC engine Simulator Debugger User s Manual The termination cause can be displayed in the Status window e Select Status from the View gt CPU menu to open the Status window and select the Platform sheet in the Status window CHUTE ici x Status SH 1 Simulator SH 1 stop Ready PC Breakpoint Pipeline Reset Exec Instructions 57801 Cycles 116463 A gt Memory A Platform Figure 7 12 Status Window The above status window indicates that 1 The cause of break is a PC breakpoint 2 Execution is performed from the pipeline reset 3 The number of executed instructions by the GO command is 57 801 4 The executed number of cycles from the pipeline reset is 116 463 208 RENESAS SuperH RISC engine Simulator Debugger User s Manual Register values can be checked in the Register window e Sel
141. ndler routine TLB Protection Violation Illegal TLB protection exception occurred during simulation Take necessary procedures such as updating the TLB contents Unified TLB Miss A unified TLB miss occurred during memory access Take necessary procedures such as updating the unified TLB contents Unified TLB Multiple Hit Multiple unified TLB entries were hit when a virtual address was accessed during simulation or command execution The unified TLB is not correctly set Modify the unified TLB contents and user program handler routine Unified TLB Protection Violation 196 A unified TLB protection exception occurred during memory access Take necessary procedures such as updating the unified TLB contents RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 7 Tutorial 7 1 Preparation The basic functions of the simulator debugger will be described in this section using a sample program Note The contents of usage examples figures in this section will differ depending on the compiler version 7 1 1 Sample Program The HEW demonstration program is used for the sample program and is written in C language It first sorts ten random data in the ascending order and then in the descending order The sample program 1 Generates random data for sorting using the main function 2 Inputs the array which stores the random data that is generated by the main function then sorts the
142. nesas Electronics products or if you have any other inquiries Note 1 Renesas Electronics as used in this document means Renesas Electronics Corporation and also includes its majority owned subsidiaries Note 2 Renesas Electronics product s means any product developed or manufactured by or for Renesas Electronics C 7 D m on lt D c D CENESAS SuperH RISC engine Simulator Debugger User s Manual Renesas Microcomputer Development Environment System Renesas Electronics Rev 4 00 2007 07 www renesas com Notes regarding these materials This document is provided for reference purposes only so that Renesas customers may select the appropriate Renesas products for their use Renesas neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights of Renesas or any third party with respect to the information in this document Renesas shall have no liability for damages or infringement of any intellectual property or other rights arising out of the use of any information in this document including but not limited to product data diagrams charts programs algorithms and application circuit examples You should not use the products or the technology described in this document for the purpose of military applications such as the development
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144. nge specified by the user This address range can either be a range entered directly by the user or through a source file in which it covers several ranges dedicated for the functions The state of each instruction execution can be monitored through the instruction coverage information In addition this information can be used to determine which part of a program has not been executed The Coverage window displays the acquired instruction coverage information The instruction coverage information can be displayed in the Editor window by highlighting the column corresponding to the source line of the executed instruction The statistic of the instruction executed within a range or a function is also displayed in percentage This gives the user a clear idea how much the program has been executed The instruction coverage information can be saved in or loaded from a file Only a file in the COV format can be loaded For details refer to section 3 8 Acquiring Code Coverage 39 RENESAS 40 SuperH RISC engine Simulator Debugger User s Manual RENESAS SuperH RISC engine Simulator Debugger User s Manual Section 3 Debugging This section describes the simulator debugger operations and their related windows and dialog boxes For details on the functions common to the HEW listed below refer to the HEW help information Preparations for Debugging Viewing a Program Operating Memory Displayin
145. ngine Simulator Debugger User s Manual In simulator debugger the rounding mode depends on the debugging platform as shown below Debugging Platform Round Mode SH 3 SH3 DSP series SH 4 series or SH4A series Round to Zero RZ Others Round to Nearest RN If a denormalized number is specified for binary to decimal or decimal to binary conversion it is converted to zero in RZ mode and left as a denormalized number in RN mode If an overflow occurs during decimal to binary conversion the maximum floating point value is returned in RZ mode and the infinity is returned in RN mode 2 18 Display of Function Call History The simulator debugger displays the function call history in the Stack Trace window when simulation stops which enables program execution flow to be checked easily Selecting a function name in the Stack Trace window displays the corresponding source program in the Editor window This allows the function that has called the current function to also be checked The displayed function call history is updated in the following cases e When simulation stops due to the break conditions described in section 2 16 Break Conditions e When register values are modified while simulation stops due to the above break conditions e While single step execution is performed For details refer to section 17 15 Viewing the Function Call History in the High performance Embedded Workshop V 4 03 User s Manual 36 RENESA
146. nstruction Either of the following states occurred e Aninstruction that changes the PC value a branch instruction immediately after a delayed branch instruction was executed e Anerror occurred during the exception processing of an invalid slot instruction Correct the user program to prevent the error Invalid Register Bank Number A bank or entry that does not exist was specified in a STBANK or LDBANK instruction Specify a correct bank or entry I O area not exist An attempt was made to delete the I O area Be sure to set the I O area I O DLL Illegal Interrupt Information errNum 2xx Information on interrupts is incorrect errNum shows the details on this error Correct the information errNum 200 The specified vector is outside the supported range 201 The specified priority is outside the supported range I O DLL Memory Access Error errNum Oxx Address 0xXXXXXXXX 194 An error has occurred during a memory access to the peripheral function errNum shows the details on this error and Address shows the address where this error occurred Correct the user program according to the error information errNum 001 The specified address is outside the supported range 002 No memory exists in the specified area 003 The required memory cannot be allocated 004 The specified data size is outside the supported range 005 The specified address cannot be accessed RENESAS SuperH
147. nt on a line that includes the sort function call e Place the cursor in the line that includes the sort function call and click the right mouse button to launch the pop up menu and select Toggle Breakpoint from the pop up menu iBix Source Ad C 5 Source 00001340 pera main void long a 10 min max long j int i 00001346 printf diii Data Input fiin 00001362 for iz0 i lt 10 i 00001356A j rand 00001362 iffi lt OM 00001366 J 2 i 00001368 ali j 000013D4 i printf Ca Sd 73ldXn i a i 2 000013F8 sort a 000013FE printf ttt Sorting results wien 00001404 for iz0 i410 itt Vf 00001412 i printf Ca Sd 73ldXn i a i 2 00001436 min a 0 00001438 max a 9 00001434 min 0 0000143C max 0 0000143E change 00001444 min 7 00001446 max a 0 0000144E Figure 7 4 Source Window Setting the Breakpoint A is displayed at the line that includes the sort function call indicating that the PC breakpoint is set at the address 201 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 2 5 Setting the Profiler e Open the Profile window by selecting Profile from the View gt Performance menu E Profile Ena Show Functions Variables te Punction Variable Figure 7 5 Profile Window e Open the pop up menu by right clicking the mouse on the Profile window and select Enable Profiler to enable acquisition of the pr
148. nts Stop Execution has been stopped by the Stop button Trace Buffer Full Since the Break mode was selected by Trace buffer full handling in the Trace Acquisition dialog box and the trace buffer became full execution was terminated 6 2 Error Messages The simulator debugger outputs error messages to notify users of the errors of user programs or operation Table 6 2 lists the error messages Table 6 2 Error Messages Message Contents Address Error One of the following states occurred e The PC value was an odd number e Aninstruction was read from the internal I O area e Word data was accessed to an address that was not a multiple of 2 e Longword data was accessed to an address that was not a multiple of 4 e The VBR or SP value was not a multiple of 4 e Anerror occurred in the exception processing of an address error Correct the user program to prevent the error Exception Error An error occurred during exception processing Correct the user program to prevent the error File Open Error An error occurred during opening a file with the file input output action of Break Correct the file setting File Input Error An error occurred during reading a file with file input output action of Break Correct the file setting File Output Error An error occurred during writing to a file with file input output action of Break Correct the file setting FPU Disable An attempt was made to execute an FPU instruction whil
149. nvalid exception and initial page write For the SH 2E SH 3E SH 4 series and SH 4 series the simulator debugger also simulates FPU exception processing Accordingly simulation can be performed even when an exception occurs The simulator debugger simulates exception processing with the following procedures depending on the Execution Mode setting in the Simulator System dialog box SH 1 SH 2 SH 2E SH2A FPU and SH2 DSP Series e When Continue is selected continuation mode 1 Detects an exception during instruction execution 2 Saves the PC and SR in the stack area 3 Reads the start address from the vector address corresponding to the vector number 4 Starts instruction execution from the start address If the start address is O the simulator debugger stops exception processing shows that an exception processing error has occurred and enters the command input wait state e When Stop is selected stop mode Executes steps to 3 above then stops SH 3 SH 3E SH3 DSP Series and SH4AL DSP e When Continue is selected continuation mode 1 Detects an exception during instruction execution 2 Saves the PC and SR to the SPC and SSR respectively 3 Sets the BL bit RB bit and MD bit in the SR to 1 4 Sets an exception code in control register EXPEVT If necessary appropriate values are set in other control registers 5 Sets the PC to the vector address corresponding to the exception source If an
150. of weapons of mass destruction or for the purpose of any other military use When exporting the products or technology described herein you should follow the applicable export control laws and regulations and procedures required by such laws and regulations All information included in this document such as product data diagrams charts programs algorithms and application circuit examples is current as of the date this document is issued Such information however is subject to change without any prior notice Before purchasing or using any Renesas products listed in this document please confirm the latest product information with a Renesas sales office Also please pay regular and careful attention to additional and different information to be disclosed by Renesas such as that disclosed through our website http www renesas com Renesas has used reasonable care in compiling the information included in this document but Renesas assumes no liability whatsoever for any damages incurred as a result of errors or omissions in the information included in this document When using or otherwise relying on the information in this document you should evaluate the information in light of the total system before deciding about the applicability of such information to the intended application Renesas makes no representations warranties or guaranties regarding the suitability of its products for any particular application and specifically disclaims any liab
151. ofile information 202 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 2 6 Setting the Simulated I O When the demonstration project is used the simulated I O is automatically set so check the setting e Open the Simulator System dialog box by selecting Simulator gt System from the Setup menu Simulator System System Memory CPU Ht Bit size Simulated 1 0 Address V Enable D32 H 00000000 Bl Endian Execution Mode Bia Endian Stop Detail Clock Rate Response D 40000 Figure 7 6 Simulator System Dialog Box System Page e Confirm that Enable of Simulated I O Address is checked e Click the OK button to enable the simulated I O e Select Simulated I O from the View gt CPU menu and open the Simulated I O window The simulated I O will not be enabled if the Simulated I O window is not open 203 RENESAS SuperH RISC engine Simulator Debugger User s Manual Simulated 1 0 Figure 7 7 Simulated I O Window 204 RENESAS SuperH RISC engine Simulator Debugger User s Manual 7 2 7 Setting the Trace Information Acquisition Conditions e Select Trace from the View gt Code menu to open the Trace window Open the pop up menu by right clicking the mouse on the Trace window and select Acquisition from the pop up menu The Trace Acquisition dialog box below will be displayed Trace Start Stop C Disable Cancel
152. on corresponding to the CPU 3 12 1 Opening a Cache Window SH 3 SH 3E SH3 DSP and SH2 DSP SH7612 Series Choose View CPU Cache or click the Cache toolbar button to open the Cache window E Cache Lonqword3 H oo B O B O00000 H O0000000 H O00000000 H 00000000 H O0000000 H O0000000 H 02 B O B O000000 H O0000000 H O00000000 H 00000000 H O00000000 H O0000000 H 03 B O B O00000 H O0000000 H 00000000 H 00000000 H 00000000 H O0000000 H 04 B O B O00000 H O0000000 H O00000000 H 00000000 H O00000000 H O0000000 H 05 B O B o000000 H O0000000 H O00000000 H 00000000 H O0000000 H O0000000 H 06 B O B O00000 H O0000000 H O00000000 H 00000000 H O0000000 H O0000000 B 0 0 0 H 07 0 B 000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 wj 4 o y wayo A wayi wayz A ways Figure 3 69 Cache Window SH 3 SH 3E SH3 DSP SH2 DSP SH7612 Series This window displays the cache contents The selected entry is displayed in green Since each way has one sheet clicking the way s sheet displays the way s contents The contents of a currently disabled way are grayed out 143 RENESAS SuperH RISC engine Simulator Debugger User s Manual The following items are displayed in the window Entry V U LRU Tag Address Longword0 to Longword3 144 Entry number in the cache The specifiable value depends on the CPU e SH 3 and SH 3E series H 00 to H 7F e SH3 DSP series H 00 to H
153. ons under certain use conditions Further Renesas Electronics products are not subject to radiation resistance design Please be sure to implement safety measures to guard them against the possibility of physical injury and injury or damage caused by fire in the event of the failure of a Renesas Electronics product such as safety design for hardware and software including but not limited to redundancy fire control and malfunction prevention appropriate treatment for aging degradation or any other appropriate measures Because the evaluation of microcomputer software alone is very difficult please evaluate the safety of the final products or system manufactured by you Please contact a Renesas Electronics sales office for details as to environmental matters such as the environmental compatibility of each Renesas Electronics product Please use Renesas Electronics products in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances including without limitation the EU RoHS Directive Renesas Electronics assumes no liability for damages or losses occurring as a result of your noncompliance with applicable laws and regulations This document may not be reproduced or duplicated in any form in whole or in part without prior written consent of Renesas Electronics Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this document or Re
154. ow That is virtual buttons and virtual LEDs are arranged in this window to allow the input and output of data EIXIPCEETUTTINENSSSUO Lini Input Panel Figure 3 82 Example of a GUI I O Window 161 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 1 Opening the GUI I O Window Choose View gt Graphic gt GUI I O or click the GUI I O toolbar button Pal to open the GUI T O window 4 GUI 170 new panel Figure 3 83 GUI I O Window This window is used to arrange the following items Button Press a button for input of data to a virtual port or generation of a virtual interrupt Label A character string which is shown when the value written to a selected address or bit was the specified value and hidden otherwise LED A defined region in which a specified color is displayed representing illumination of a LED when the value written to a selected address or bit was the specified value Text A region for the display of a text string 162 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 2 Creating a Button Click on the a button of the toolbar or choose Create Button from the pop up menu The mouse cursor turns into a symbol Create the button by dragging the mouse cursor from a higher left to a lower right position GUI 1 0 new panel kx n em Figure 3 84 GUI I O Window Create Button 163 RENESAS SuperH RISC engine Simu
155. ow to use any particular operating system or how best to tailor code for the individual devices These issues are left to the respective manuals Document Conventions This manual uses the following typographic conventions Table 1 Typographic Conventions Convention Meaning Menu gt Menu Option Bold text with gt is used to indicate menu options for example File gt Save As FILENAME C Uppercase names are used to indicate filenames enter this string Used to indicate text that must be entered excluding the quotes Key Key Used to indicate required key presses For example CTRL N means press the CTRL key and then whilst holding the CTRL key down press the N key gt When this symbol is used it is always located in the left hand margin It indicates that the text to its immediate right is describing how to The how to symbol do something Contents Section MER QU c 1 Section 2 Simulator Debugger Functions eene 3 2 l Beat fesouins segue aO GR Le EDU OR E PESE SIN E EN R R Spe ERES 3 PME MB duci mc 3 2 3 Rangeof Simulation uae dnd eere trade deese Pes tea pe ERES er eto ent 4 2 4 Functions Supported by SH 4 Series eee eee eeeeeseeeseseeececeseeeeaeeeseeeseeeaeseaeseneeenenaes 7 2 4 1 Bus State Controller BSC cccccccccsccecessseeeeseneeeessneeeesseeeeeseeeeessseeeeeseneeesssnaees 7 2 4 2 Direct Memory Access Controller
156. pheral function supported by the selected peripheral function simulation module Start Address Start address of the peripheral function selected in Module Register Address Names and addresses of registers of the peripheral function selected in Module It is not possible to change the register addresses Clicking the OK or Set button makes the settings effective Clicking the Cancel button closes this dialog box without storing the settings 62 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 3 3 Changing the Interrupt Source Information of Peripheral Functions The interrupt source information of peripheral functions can be changed in the Interrupt tab of the Peripheral Module Configuration dialog box To open this dialog box select a peripheral function in Peripheral Functions of the Set Peripheral Function Simulation dialog box and then press the Detail button Peripheral Module Configuration Address Interrupt Interrupt Source Information Interrupt So Vector Num Priority Register CMTO 140 FFFE0C04 15 12 Cancel Apply Figure 3 13 Peripheral Module Configuration Dialog Box Interrupt Tab The following items can be displayed in this dialog box Interrupt Source Name of the interrupt source or sources supported by the peripheral function INTEVT INTEVT value for SH 3 SH 4 and SH 4A series CPUs INTEVT INTEVT2 INTEVT value and INTEVT2 value for SH3 DSP ser
157. ployees against any and all damages arising out of such applications You should use the products described herein within the range specified by Renesas especially with respect to the maximum rating operating supply voltage range movement power voltage range heat radiation characteristics installation and other product characteristics Renesas shall have no liability for malfunctions or damages arising out of the use of Renesas products beyond such specified ranges Although Renesas endeavors to improve the quality and reliability of its products IC products have specific characteristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions Please be sure to implement safety measures to guard against the possibility of physical injury and injury or damage caused by fire in the event of the failure of a Renesas product such as safety design for hardware and software including but not limited to redundancy fire control and malfunction prevention appropriate treatment for aging degradation or any other applicable measures Among others since the evaluation of microcomputer software alone is very difficult please evaluate the safety of the final products or System manufactured by you In case Renesas products listed in this document are detached from the products to which the Renesas products are attached or affixed the risk of accident such as swallowing by infants and small children is very high Yo
158. ptimizing linkage editor using the acquired profile information file e Find Displays the Find Text dialog box to find a character string in the Function column Search is started by entering a character string to be found in the edit box and clicking Find Next or pressing the Enter key e Find Data Displays the Find Data dialog box Find Data Column Address ew Resoseet m ress Cancel Find Data Maximum C Minimum Figure 3 40 Find Data Dialog Box By selecting the column to be searched in the Column combo box and the search type in the Find Data group then pressing Find Next button or Enter key search is started If the Find Next button or the Enter key is input repeatedly the second larger data the second smaller data when Minimum is specified is searched for e Clear Data Clears the number of times functions are called and the profile data Data in the List sheet of the Profile window and the data in the Profile Chart window are also cleared 103 RENESAS SuperH RISC engine Simulator Debugger User s Manual Output Profile Information Files Displays the Save Profile Information Files dialog box Profiling results are saved in a profile information file pro extension The optimizing linkage editor optimizes user programs according to the profile information in this file For details of the optimization using the profile information refer to the m
159. putc 00003070 H OO00000cc H OO00000C 0 0 0 b i KD mmm D Figure 3 39 Tree Sheet cOoococoooocooogmsS OO OFRFPR HH Double clicking a function in the Function column expands or reduces the tree structure display The expansion or reduction is also provided by the or key Double clicking the Address column displays the source program corresponding to the specific address Right clicking the mouse within the window displays a pop up menu Supported menu options are as follows e View Source Displays the source program or disassembled memory contents for the address in the selected line e View Profile Chart Displays the Profile Chart window focused on the function in the specified line e Enable Profiler Toggles acquisition of profile data When profile data acquisition is enabled a check mark is shown to the left of the menu text 102 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Not trace the function call Stops tracing function calls while profile data is acquired This menu is used when acquiring profile data of the program in which functions are called in a special way such as task switching in the OS To display the relation of function calls in the Tree sheet of the Profile window acquire profile data without selecting this menu In addition do not select this menu when optimizing the program by the o
160. r User s Manual 3 8 13 Confirmation Request Dialog Box A confirmation request dialog box will appear when Clear All Clear Data Edit Range or Delete Range is clicked or an attempt is made to close the Coverage window Confirmation Request Ed Coverage data will be cleared IV Save Coverage data Figure 3 52 Confirmation Request Dialog Box Clicking OK clears the coverage data Choosing Save Coverage data opens the Save Data dialog box figure 3 50 to save the coverage data in a file before it is cleared 120 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 8 14 Save Coverage Data Dialog Box When File gt Save Session menu option is clicked the Save Coverage Data dialog box will appear which allows the user to save the Coverage window data in separate files or a single file Save Coverage Data Address range 00001000 00001081 No No ToAl Yes ToAl Figure 3 53 Save Coverage Data Dialog Box When multiple Coverage windows are open a Save Coverage Data dialog box will appear for each open coverage window Clicking the No To All button closes the dialog box without saving any coverage data Clicking the Yes To All button saves the data of all Coverage windows in a single file Note Ifa file is specified for the coverage range not all Coverage windows can be saved in a single file 121 RENESAS SuperH RISC engine Simulator Debugger Us
161. r program 3 10 1 Opening the Simulated I O Window Choose View gt CPU gt Simulated I O or click the Simulated I O toolbar button B9 to open the Simulated I O window E Simulated 1 0 Simulated I O Figure 3 61 Simulated I O Window The standard output from the user program is displayed in this window The key input from this window is handled as the standard input to the user program 131 RENESAS 3 10 2 Table 3 1 lists the supported I O functions SuperH RISC engine Simulator Debugger User s Manual T O Functions Table 3 1 T O Functions Function No Code Function Name Description 1 H 21 GETC Inputs one byte from the standard input 2 H 22 PUTC Outputs one byte to the standard output 3 H 23 GETS Inputs one line from the standard input 4 H 24 PUTS Outputs one line to the standard output 5 H 25 FOPEN Opens a file 6 H 06 FCLOSE Closes a file 7 H 27 FGETC Inputs one byte from a file 8 H 28 FPUTC Outputs one byte to a file 9 H 29 FGETS Inputs one line from a file 10 H 2A FPUTS Outputs one line to a file 11 H OB FEOF Checks for end of file 12 H 0C FSEEK Moves the file pointer 13 H OD FTELL Returns the current position of the file pointer To perform I O processing use the Simulated I O Address in the Simulator System dialog box refer to section 3 2 1 Modifying the Simulator System in the following procedure 1 Set the address specialized for I O processing
162. reak condition Equal or Not equal was satisfied so execution has stopped The information in parentheses shows the satisfied data break condition accessed address and value Break Data Access Address H nnnnnnnn Previous Data H mmmmmmmm Current Data H mmmmmmmm A data break condition Inverse sign or Difference was satisfied so execution has stopped The information in parentheses shows the satisfied data break condition accessed address and previous and current values Break Register Register XX Value H mmmmmmmm A register break condition was satisfied so execution has stopped The information in parentheses shows the satisfied register break condition register name and value Break Sequence PC H nnnnnnnn A sequential break condition was satisfied so execution has stopped The information in parentheses shows the satisfied sequential break condition address of the last instruction I O DLL Stop The peripheral function has stopped PC Breakpoint PC H nnnnnnnn A PC breakpoint condition was satisfied so execution has stopped The information in parentheses shows the satisfied PC breakpoint condition instruction address Sleep Execution has been stopped by the SLEEP instruction Step Normal End The step execution succeeded 191 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 6 1 Information Messages cont Message Conie
163. registered in this dialog box the simulated peripheral function provided by that simulation module becomes available The registered settings cannot be modified after the simulator debugger has fully started up To change the peripheral function simulation modules that are in use restart the simulator debugger to bring up this dialog box 59 RENESAS SuperH RISC engine Simulator Debugger User s Manual Set Peripheral Function Simulation m Peripheral Functions Module Name File Name Enable All L16MT cXprogram files renesas hew tools renesas debt Disable All Saue Detail 2 Peripheral Clock Rate fi Don t show this dialog box Cancel Figure 3 11 Set Peripheral Function Simulation Dialog Box The following items are specified in this dialog box Peripheral Functions Shows information on the peripheral function simulation modules Module Name Names of peripheral functions to be simulated File Name Names of files holding peripheral function simulation modules Check the checkbox under Module Name to register the corresponding peripheral function simulation module and make it available Enable AII Enables all peripheral functions Disable AII Disables all peripheral functions Detail Opens the Peripheral Module Configuration dialog box allowing you to view information on the corresponding peripheral function and change the address where it starts and the interrupt so
164. s dialog box For the SH2 DSP SH7410 select Internal Mode or External Mode For SH2 DSP SH7065 one of the followings can be selected ROM Disable Fast Mode Internal ROM disabled fast access mode ROM Disable Slow Mode Internal ROM disabled slow access mode ROM Enable Fast Mode Internal ROM enabled fast access mode ROM Enable Slow Mode Internal ROM enabled slow access mode For SH2 DSP Core either of the followings can be selected ROM Disable Internal ROM disabled mode ROM Enable Internal ROM enabled mode Bit size Address bus width fixed to 32 bits Endian Currently selected endian Clock Rate This can be specified only for SH 4 series Specify the internal clock ratio when the external clock is assumed 1 H 1 to H 10 Simulated I O Address Start address of a simulated I O that performs standard input output or file input output processing from the user program Enable Checking this box enables the simulated I O Response Window refresh timing that is how many instructions should be executed between refresh operations D 1 to D 2 147 483 647 The default is D 40000 Execution Mode Whether the simulator debugger stops or continues operation when a simulation error occurs An interrupt is assumed as a simulation error It is also possible to specify an action to take place when an interrupt occurs by clicking the Detail button Stop Stops simulation Continue Continues simulation 47 REN
165. s Supported by the Simulator Debugger cont Supported Control Names of Debugging Platforms Timer Register Status SH2 DSP Core FRTO TIER FTCSR FRC OCRA OCRB TCR gt D OOl 0 Bb Bb TOCR Note O Supported A Partly supported bits for the function described in section 2 9 1 Supported Range 2 9 3 Clocks The simulator debugger supports an internal clock that provides timing in access to memory a peripheral function clock and clocks for operating the timers The numbers of cycles of the internal clock required for access to memory correspond to the specifications for the memory map Set the frequency ratio of the internal clock to the peripheral function clock in the Set Peripheral Function Simulation dialog box Use the timer control register to specify the division ratio to create the clock for operating the timers 2 9 4 Using a Timer To use a timer the timer module must be registered in the Set Peripheral Function Simulation dialog box which is opened at initiation of the simulator debugger For details on the timer module registration refer to section 3 3 Simulating Peripheral Functions 21 RENESAS SuperH RISC engine Simulator Debugger User s Manual 2 9 5 Notes on Using a Timer 22 Even if the actual CPU can only clear a bit to 0 the simulator can write 1 to this bit During simulation the SH 2DSP core accesses the 16 bit registers via a temporary register
166. s not support the following SuperH RISC engine series MCU functions Programs that use these functions must be debugged with the SuperH RISC engine series emulator e Serial communication interface SCI e T O ports 10 The SH2A FPU supports register banks that allow fast save restore operations in interrupt processing Up to 15 register banks banks 0 to 14 are supported 2 4 Functions Supported by SH 4 Series 2 4 1 Bus State Controller BSC For the SH 4BSC the simulator debugger has the functions for specifying and modifying the memory map in accordance with the BSC setting so that a user program using the BSC can be debugged For the SH 4 and SH 4 SH7750R the simulator debugger does not support the bus control function in the BSC only SRAM bus width and the number of states can be specified Table 2 2 is a list of memory types that can be specified for the SH 4BSC SH 4 and SH 4 SH7750R RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 2 2 Memory Types for SH 4BSC SH 4 and SH 4 SH7750R Simulator Debugger Specifiable Memory Types Address SH 4BSC SH 4 SH 4 SH7750R H 00000000 to H OSFFFFFF area 0 Normal memory burst ROM and SRAM MPX H 04000000 to H O7FFFFFF area 1 Normal memory byte control SRAM and MPX H 08000000 to H OBFFFFFF area 2 Normal memory DRAM SDRAM and MPX H 0C000000 to H OFFFFFFF area 3 Normal memory DRAM SDRAM and MPX
167. s the ROM operand cache window SH2A FPU only Notes 1 For the SH2A FPU series this type is only displayed when the internal ROM is invalid 2 This type is only displayed when the internal ROM is valid For specification of the internal ROM of the SH2A FPU as valid or invalid refer to section 3 1 2 Setting up a Workspace for the Simulator Debugger Clicking the OK button displays the selected cache window Clicking the Cancel button closes the dialog box without opening a cache window 145 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Instruction cache window a Instruction Cache H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 Figure 3 71 Instruction Cache Window SH 4 SH7750R H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 0000000 H 0000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 Longword2 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 Longword3 H 0000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 w This window displays the instruction cache contents The selected entry is displayed in green Each way has a sheet and the contents are displayed when the tab
168. simulator debugger also supports interrupts by an overflow underflow or compare match but does not support functions with the input and output of the pin such as the input capture 2 9 2 Control Registers This simulator debugger supports timer control registers Table 2 6 shows the control registers supported by the simulator debugger The addresses of the timer control registers interrupt vector numbers and positions of the interrupt priority registers can be changed in the Peripheral Module Configuration dialog box For details on the Peripheral Module Configuration dialog box refer to section 3 3 Simulating Peripheral Functions RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 2 6 Timer Control Registers Supported by the Simulator Debugger Names of Debugging Platforms SH 1 Supported Control Timer Register ITUO TSTR Status TCR TIER TSR TCNT GRA GRB SH 2 SH 2E SH2 DSP SH7065 SH2A FPU CMTO CMSTR CMCSR CMCNT CMCOR SH 3 SH3 DSP SH3 DSP Core SH 4 SH 4BSC SH 4 SH7750R SH4AL DSP TMUO TCR TCNT TSTR TOCR SH 4A 20 TMUO TSTRO TCORO TCNTO TCRO TSTR1 TCOR3 TCNT3 RENESAS TCR3 BD OO OO OJ BD O OF OF CO OF OF B OB O 0 0 0 0 0 0 0 Bb b SuperH RISC engine Simulator Debugger User s Manual Table 2 6 Timer Control Register
169. start without using an actual user system thus reducing overall system development time e The simulator debugger provides pseudo interrupt and I O simulation functions for simple system level simulation e The simulator debugger offers the following functions that enable efficient program testing and debugging The ability to handle all of the SuperH RISC engine series CPUs Functions to stop or continue execution when an error occurs during user program execution Profile data acquisition and function unit performance measurement A comprehensive set of break functions Functions to set or edit memory maps Functions to display function call history Coverage information is displayed in the C C or assembly source level Visual debugging functions provided through the display of memory contents as images or waveforms e The breakpoints memory map performance and trace can be set through the dialog boxes under Windows Environments corresponding to each memory map of the SuperH RISC engine microcomputers can be set through the dialog box Intuitive user interface Online help Common display and operability 2 2 Target User Program Load modules in the Elf Dwarf2 format can be symbolically debugged with the simulator debugger Load modules in other formats can be downloaded and their instructions can be executed however they cannot be symbolically debugged For details refer to sect
170. struction Correct the user program to prevent the error Illegal PR bit An attempt was made to execute an FPU instruction while the PR bit value of the FPSCR is illegal Correct the user program to prevent the error Initial Page Write An initial page write exception occurred during simulation Take necessary procedures such as updating the TLB contents Instruction TLB Illegal LRU The LRU value in the instruction TLB is illegal Check the setting 193 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 6 2 Error Messages cont Message Instruction TLB Miss Contents An instruction TLB miss occurred during memory access Take necessary procedures such as updating the instruction TLB contents Instruction TLB Multiple Hit Multiple instruction TLB entries were hit when a virtual address was accessed during simulation or command execution The instruction TLB is not correctly set Modify instruction TLB contents and user program handler routine Instruction TLB Protection Violation An instruction TLB protection exception occurred during memory access Take necessary procedures such as updating the instruction TLB contents Interrupt Exception An interrupt exception occurred execution halted Invalid DSP Instruction Code An invalid instruction code was detected in the DSP parallel instruction Correct the user program to prevent the error Invalid Slot I
171. t executed instruction Cycle Total number of instruction execution cycles cleared by pipeline reset Address Instruction address Pipeline Pipeline execution status Each symbol has the following meaning F Instruction fetch with memory access f Instruction fetch without memory access D Instruction decode E Instruction execution M Memory access W Write back P DSP 83 RENESAS SuperH RISC engine Simulator Debugger User s Manual m Multiplier execution Stall inherent in the instruction gt Split lt Stall due to conflict Refer to the software manual of each device for more information on pipeline operation Instruction Instruction mnemonic Access Data Data access information display format destination lt accessed data Source C C or assembly language source programs Label Labels SH 3 and SH 3E Series Cycle Addres au Een BER Source 0000007960 00002000 ira kas PES void main void _main 0000007962 00002002 0000007963 00002004 0000007965 7FFFFFEC 0000007968 7FFFFFE8 0000007971 00002008 0000007973 200002198 0000007975 0000200c 0000007977 TFFFFFAC 0000007980 0000219c 0000007982 200002010 0000007984 000026E8 0000007986 0O000026EA 0000007987 2000026EC uou bou ww Figure 3 29 Trace Window for SH 3 and SH 3E Series This window displays the following trace information items PTR Pointer in the trace buffer 0 for the last executed
172. tatus 96 STEP ST Steps program by instructions or source lines 97 STEP MODE SM Selects the step mode 98 STEP OUT SP Steps out of the current function 99 STEP OVER SO Steps program not stepping into functions 100 STEP RATE SR Sets or displays rate of stepping 101 STEP UNIT SN Sets the unit of execution 188 RENESAS SuperH RISC engine Simulator Debugger User s Manual Table 5 1 Simulator Debugger Commands cont No Command Name Abbreviation Function 102 SUBMIT SU Executes a command file 103 SYMBOL_ADD SA Defines a symbol 104 SYMBOL_CLEAR SC Deletes a symbol 105 SYMBOL LOAD SL Loads a symbol information file 106 SYMBOL SAVE SS Saves a symbol information file 107 SYMBOL VIEW SV Displays symbols 108 TCL Enables or disables the TCL 109 TOOL_INFORMATION TO Outputs information on the currently registered tool to a file 110 TRACE TR Displays trace information 111 TRACE ACQUISITION TA Enables or disables trace information acquisition 112 TRACE SAVE TV Outputs trace information into a file 113 TRACE STATISTIC TST Analyzes statistic information 114 TRAP ADDRESS TP Sets a simulated I O address 115 TRAP ADDRESS TD Displays simulated I O address settings DISPLAY 116 TRAP ADDRESS TE Enables or disables the simulated I O ENABLE 117 UPDATE_ALL_ UD Updates all build dependencies of the current DEPENDENCIES project 118 WATCH_ADD WA Adds an item
173. ters office equipment communications equipment test and measurement equipment audio and visual equipment home electronic appliances machine tools personal electronic equipment and industrial robots High Quality Transportation equipment automobiles trains ships etc traffic control systems anti disaster systems anti crime systems safety equipment and medical equipment not specifically designed for life support Specific Aircraft aerospace equipment submersible repeaters nuclear reactor control systems medical equipment or systems for life support e g artificial life support devices or systems surgical implantations or healthcare intervention e g excision etc and any other applications or purposes that pose a direct threat to human life You should use the Renesas Electronics products described in this document within the range specified by Renesas Electronics especially with respect to the maximum rating operating supply voltage range movement power voltage range heat radiation characteristics installation and other product characteristics Renesas Electronics shall have no liability for malfunctions or damages arising out of the use of Renesas Electronics products beyond such specified ranges Although Renesas Electronics endeavors to improve the quality and reliability of its products semiconductor products have specific characteristics such as the occurrence of failure at a certain rate and malfuncti
174. the Disable option see section 3 4 5 Disabling a Breakpoint 3 4 7 Deleting All Breakpoints Choose Delete All from the pop up menu to remove all breakpoints 79 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 4 8 Viewing the Source Line for a Breakpoint Select a breakpoint and choose Go to Source from the pop up menu to open the Source or Disassembly window at the address of the breakpoint The Go to Source menu is only available when one breakpoint is selected 3 4 9 Closing Input or Output File Select a breakpoint and choose Close File from the pop up menu to close the selected File Input or File Output data file and to reset the address to read the file 3 4 10 Closing All Input and Output Files Choose Close All Files from the pop up menu to close all File Input and File Output data files and to reset the address for reading the file 80 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 5 Viewing Trace Information The simulator debugger acquires the results of each instruction execution as trace information and displays it in the Trace window The conditions for the trace information acquisition can be specified in the Trace Acquisition dialog box 3 5 1 Opening the Trace Window To open the Trace window choose View gt Code gt Trace or click the Trace toolbar button E 3 5 2 Specifying Trace Acquisition Conditions After the Trace
175. the Link Library sheet of the Standard Toolchain dialog box 94 RENESAS SuperH RISC engine Simulator Debugger User s Manual SuperH RISC engine Standard Toolchain E E All Loaded peas ICs source file C source file Assembly source file E Linkage symbol file Compress debug information Low memory use during linkage noprelink rom D R nomessage iste CONFIGDIRNSPROJECTNAME map nooptimize start DVECTTBL DINTTBL OO PResetPRG PIntPRG 08 rz Figure 3 35 Standard Toolchain Dialog Box 1 95 3 NE SAS SuperH RISC engine Simulator Debugger User s Manual 3 6 2 Profile Information Files To create a profile information file measure a profile data of the application program then choose the Output Profile Information Files menu option from the pop up menu of the Profile window and specify the file name This file contains information on the number of times functions are called and global variables are accessed The optimizing linkage editor ver 7 0 or later is capable of reading the profile information file and optimizing the allocation of functions and variables in correspondence with the state of the actual operation of the program To input the profiler information file to the linkage editor choose Optimize from the Category list box and check the Include profile box in the Link Library sheet of the Standard Toolchain dialog box and specify the name of the profile inform
176. the k button on the toolbar and double click on the created text to open the Set Text dialog box Set Text Dialog x Text Text Font Font Name FixedSys Font Size 11 Font Color Back j Cancel Figure 3 93 Set Text Dialog Box Click the Font button to select the font and size for the text Then click the Text and Back buttons to specify the colors of the text and its background 172 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 6 Changing the Size and Position of an Item Press the k button on the toolbar and click on the item The item 1s selected as shown in the figure below GUI 70 new panel Figure 3 94 GUI I O Window Item Selected Drag the item to change its position or the control points to change its size 3 4 7 Copying an Item Press the button on the toolbar or choose Copy from the pop up menu The mouse cursor turns into a symbol In this state click on the item you wish to copy Press the B button on the toolbar or choose Paste from the pop up menu to create a new item with the same size and attributes 3 14 8 Deleting an Item Press the button on the toolbar or choose Delete from the pop up menu The mouse cursor turns into a symbol In this state click on the item you wish to delete 173 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 14 9 Showing the Grid Pr
177. the settings 52 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 2 3 Set Memory Map Dialog Box The Set Memory Map dialog box specifies the memory map of the target CPU The contents displayed in this dialog box depend on the target CPU The simulator debugger uses the specified data to calculate the number of cycles for memory accesses Set Memory Map H ODOODO00 E WANN Figure 3 5 Set Memory Map Dialog Box 53 3 NE SAS SuperH RISC engine Simulator Debugger User s Manual The following items are specified Memory type Memory type Begin address Start address of the memory corresponding to the memory type End address End address of the memory corresponding to the memory type Data bus size Memory data bus width Read state count Number of cycles states for read access to the specified type of memory Write state count Number of cycles states for write access to the specified type of memory For the SH 4 series Begin address and End address cannot be modified Specify Memory type and Data bus size In addition for the SH 4 series clicking the Set state button opens the Set State dialog box section 3 2 4 and the number of wait state cycles to be inserted in areas 0 to 7 can be specified The specified values correspond to the values in the WCR1 and WCR2 control registers In terms of the memory resources of the SH
178. time that the functions occupy in the overall execution of the application program Use the Performance Analysis function to precisely measure the numbers of executed cycles The names of the corresponding functions may not be displayed when the profile information on a load module with no debugging information is measured The stack information file extension SNI must be in the same directory as the load module file extension ABS It is not possible to store the results of measurement It is not possible to modify the results of measurement 109 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 7 Analyzing Performance Use the Performance Analysis window to select a function name and analyze the performance 3 7 1 Opening the Performance Analysis Window Choose View gt Performance gt Performance Analysis or click the PA toolbar button l to open the Performance Analysis window Performance Analysis x xg Re Ua Uu rr set Ena Index Function Cycle Count Histogram D main 1168 1 O 1 printf 990 22 05 2 rand 330 10 0 Figure 3 43 Performance Analysis Window This window displays the number of execution cycles required for each specified function The number of execution cycles is calculated as follows Execution cycles total number of execution cycles when execution returns from the function total number of execution cycles when the target function is call
179. tion TLB Figure 3 63 Select TLB Dialog Box This dialog box selects the TLB to be displayed Select one of the following TLB types Instruction TLB Opens the instruction TLB window Unified TLB Opens the unified TLB window PMB Opens the PMB window the SH 4A series only Clicking the OK button displays the selected TLB window Clicking the Cancel button closes the dialog box without opening a TLB window e Instruction TLB window E Instruction TLB f 0C tt Entry VPN H 00 B 00 H O0000000 H 00000000 H 0 H O0000000 H 00000000 H 0 H O0000000 H O00000000 H 0 Figure 3 64 Instruction TLB Window SH 4 Series 137 RENESAS SuperH RISC engine Simulator Debugger User s Manual This window displays the instruction TLB contents The selected entry is displayed in green The following items are displayed in the window Entry Entry number in the instruction TLB H 0 to H 3 VPN Virtual page number longword Bits 31 to 10 are valid PPN Physical page number longword Bits 31 to 10 are valid ASID Address space identifier V Validity bit SZ Page size bit PR Protection key field C Cacheable bit SH Share status bit e Unified TLB window EMITE BER 138 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 Figure 3 65 Unified TLB Window SH 4 Series H 00000000 H 00000000 H 00000000 H 00000000 H 0
180. truction Refer to the simulator debugger help about each I O function 133 RENESAS SuperH RISC engine Simulator Debugger User s Manual The following shows an example for inputting one character as a standard input from a keyboard MOV L PAR_ADR R1 MOV L REQ COD RO MOV L CALL ADR R3 JSR R3 NOP STOP NOP SYS CALL NOP ALIGN 4 CALL ADR DATA L SYS CALL REQ COD DATA IL H 01210000 PAR ADR DATA IL PARM PARM DATA IL INBUF INBUF RES B 2 END 134 RENESAS 3 11 SuperH RISC engine Simulator Debugger User s Manual Viewing the TLB Contents The TLB window is used to display the TLB contents in a CPU with the MMU Memory Management Unit function The TLB window differs depending on the CPU Read the description corresponding to your CPU 3 11 1 Opening a TLB Window SH 3 SH 3E and SH3 DSP Series Choose View gt CPU gt TLB or click the TLB toolbar button h to open the TLB window H o0 H l H 02 H 03 H 04 H 05 H 06 H 07 H 08 H 09 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 H 00000000 Ai wayo A Wayi Wwayz A Way3 Figure 3 62 TLB Window SH 3 SH 3E SH3 DSP Series H 00 H 00 H 00 H 00 H 00 H 00 H 00 H 00 H 00 H 0 B O B B B O B O B B
181. u should implement safety measures so that Renesas products may not be easily detached from your products Renesas shall have no liability for damages arising out of such detachment This document may not be reproduced or duplicated in any form in whole or in part without prior written approval from Renesas Please contact a Renesas sales office if you have any questions regarding the information contained in this document Renesas semiconductor products or if you have any other inquiries Trademarks Microsoft MS DOS Windows Windows NT are registered trademarks of Microsoft Corporation Visual SourceSafe is a trademark of Microsoft Corporation IBM is a registered trademark of International Business Machines Corporation All brand or product names used in this manual are trademarks or registered trademarks of their respective companies or organizations Document Information Product Code S32HEWM Version Copyright Renesas Technology Corp 2003 All rights reserved About This Manual This manual describes the HEW system This manual is composed of two parts HEW part describes information on the basic look and feel of the HEW and customizing the HEW environment and detail the build Figure in the HEW part are those of the SH series Simulator Debugger part describes Debugger functions of the High performance Embedded Workshop This manual does not intend to explain how to write C C or assembly language programs h
182. ues in SR 78 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Point for Caution When the same file is specified for multiple File Input actions the simulator debugger will read data from the file in the order of condition satisfaction When the same file is specified for multiple File Output actions the simulator debugger will write data to the file in the order of condition satisfaction However when the same file is specified for File Input and File Output the only valid action is that for the first condition to be satisfied 3 4 3 Modifying Breakpoints Select a breakpoint to be modified and choose Edit from the pop up menu to open the Select Break Type dialog box which allows the user to modify the break conditions The Edit menu is only available when one breakpoint is selected 3 4 4 Enabling a Breakpoint Select a breakpoint and choose Enable from the pop up menu to enable the selected breakpoint 3 4 5 Disabling a Breakpoint Select a breakpoint and choose Disable from the pop up menu to disable the selected breakpoint When a breakpoint is disabled the breakpoint will remain in the list but a break will not occur when the specified conditions have been satisfied 3 4 6 Deleting a Breakpoint Select a breakpoint and choose Delete from the pop up menu to remove the selected breakpoint To retain the breakpoint but not have it cause a break when its conditions are met use
183. updated when you execute larger functions This information allows you to check if those functions that may cause cache misses are frequently called Stack Size When there is deep nesting of function calls pursue the route of the function calls and obtain the total stack size for all of the functions on that route to estimate the amount of stack being used 106 RENESAS SuperH RISC engine Simulator Debugger User s Manual Times Sorting by the number of calls or accesses makes it easy to identify the frequently called functions and frequently accessed global variables Profile Data Measurement of a variety of CPU specific data is also available as follows e SH 1 SH 2 SH 2E Series SH2 DSP SH7410 SH 2DSP Core and SH2 DSP SH7065 Cycle the number of execution cycles Ext mem the number of external memory accesses I O_area the number of internal I O area accesses Int_mem the number of internal memory accesses e SH 3 SH 3E SH3 DSP Series and SH2 DSP SH7612 Cycle the number of execution cycles Cache miss the number of cache misses Ext mem the number of external memory accesses I O_area the number of internal I O area accesses Int mem the number of internal memory accesses e SH2A FPU SH 4 Series and the SH 4A Series Cycle the number of execution cycles ICache miss the number of instruction cache misses OCache miss the number of operand cache misses Ext
184. urce information Peripheral Clock Rate The ratio between the peripheral clock and the internal clock the number of cycles of the internal clock corresponding to one cycle of the peripheral clock is specified here The clock rate setting can be selected as 1 2 3 4 6 8 12 16 24 or 32 60 RENESAS SuperH RISC engine Simulator Debugger User s Manual Clicking the OK button makes the settings effective Clicking the Cancel button closes this dialog box without storing the settings If you do not wish this dialog box to be opened when the simulator debugger is subsequently initiated check Don t show this dialog box 3 3 2 Changing the Addresses of Peripheral Functions The addresses of peripheral functions can be changed in the Address tab of the Peripheral Module Configuration dialog box To open this dialog box select a peripheral function in Peripheral Functions of the Set Peripheral Function Simulation dialog box and then press the Detail button Peripheral Module Configuration Address Interrupt Module CMT Begin Address Register HFFFECO00 Register Address Register Address FFFECOOO FFFECOD 2 FFFECOO4 FFFECOD6 Cancel Apply Figure 3 12 Peripheral Module Configuration Dialog Box Address Tab 61 RENESAS SuperH RISC engine Simulator Debugger User s Manual The following items can be set or displayed in this dialog box Module Name of the peri
185. w in the Number of Buttons submenu in the pop up menu 4 16 64 or 256 can be selected e Changing the size of trigger buttons Specify the size of trigger buttons displayed in the Trigger window in the Size submenu in the pop up menu Large Normal or Small can be selected 3 9 2 GUI I O Window Choose View gt Graphic gt GUI I O or click the GUI I O toolbar button fal to open the GUI I O window GUI L O Sample pnl Input Panel Figure 3 58 GUI I O Window This window displays buttons that generate pseudo interrupts manually The details of the interrupt to be generated by pressing each button can be specified in the Set Button dialog box For details on the interrupt processing in the simulator debugger refer to section 2 20 Pseudo Interrupts 127 RENESAS SuperH RISC engine Simulator Debugger User s Manual e Setting a button Choose Create Button from the pop up menu or click the Create Button toolbar button 4 D The mouse cursor turns into a symbol Create the button by dragging the mouse cursor from a higher left to a lower right position GUI 1 0 new panel Figure 3 59 GUI I O Window Create Button Double click the created button to open the Set Button dialog box 128 RENESAS SuperH RISC engine Simulator Debugger User s Manual Set Button Dialog r g put IPBEs zi PGBIESS ss Water l ernati zi DIUI ast
186. with Trace Buffer Full Handling in the Trace Acquisition dialog box the simulator debugger stops execution when the trace buffer becomes full The following message is displayed in the Output window when execution is stopped Trace Buffer Full Break Due to Execution of the SLEEP Instruction When the SLEEP instruction is executed during instruction execution the simulator debugger stops execution The following message is displayed in the Output window when execution is stopped Sleep Note When restarting execution change the PC value to the instruction address at the restart location Break Due to the STOP Button Users can forcibly terminate execution by clicking the STOP button during instruction execution The following message is displayed in the Output window when execution is stopped Stop Execution can be resumed with the GO or STEP command 2 17 Floating Point Data Floating point numbers can be used for the following real number data which makes floating point data processing easier The following data can be specified for floating point data e Data when the break type is set to Break Data or Break Register in the Select Break Type dialog box e Data in the Memory window e Data in the Fill Memory dialog box e Data in the Search Memory dialog box e Input data in the Register dialog box The floating point data format conforms to the ANSI C standard 35 RENESAS SuperH RISC e
187. x X 0X 0X 0X 0X 0X X X X X XX x x 0X 0X 0X KR X X X X X X X OX WO 0X 0X 0X 0X 0X X X X X X X X OX x 4 x x4 XXX XXX XXX Dxx xDx x x D XXX XXX XXX ixx 21x x21 00002764 Figure 3 31 Trace Window for SH 4 Series This window displays the following trace information items PTR Pointer in the trace buffer 0 for the last executed instruction Cycle Total number of instruction execution cycles cleared by pipeline reset The CPU internal clock cycles are counted as execution cycles The rates of the external and internal clocks can be specified using the Clock Rate command Address Bus Program counter value Code1 Fetched code 1 Code2 Fetched code 2 The code currently decoded is marked with If two codes are executed in parallel the code fetched at the smaller address is marked with EX EAS Instruction number that was executed in the E stage accessed memory in the A stage or wrote back data in the S stage in the EX pipeline 87 RENESAS SuperH RISC engine Simulator Debugger User s Manual LS EAS Instruction number that was executed accessed memory or wrote back data in the LS pipeline BR EAS Instruction number that was executed accessed memory or wrote back data in the BR pipeline FP EXASD Instruction number that was executed accessed memory or wrote back data in the FP pipeline only for FSCA FSRRA FIPR and FTRV instructions in the X stage and for FDIV and FSQRT instru
188. y register Priority Register Bit Position Positions of bits in the interrupt priority register Clicking the OK button makes the settings effective Clicking the Cancel button closes this dialog box without storing the settings 64 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 3 4 Changing the Address of the Bank Control Register SH2A FPU Only The following commands are used to display and change the addresses of the bank control register IBCR and the bank number register IBNR for products of the SH2A FPU series REGISTER ADDRESS GET command Displays the address of the bank control register REGISTER ADDRESS SET command Sets the address of the bank control register For details on the commands refer to the simulator help 3 3 5 Allocating Memory Resources to the Interrupt Priority Register The peripheral function simulation module does not allocate the interrupt priority register IPR to a location in memory Allocate the memory resource for the interrupt priority register IPR through user operation For details on the setting of memory resources refer to section 3 2 2 Modifying the Memory Map and Memory Resource Settings 3 3 6 Viewing the Names of Connected Peripheral Functions After the simulator debugger has been initiated Peripheral Modules on the Platform sheet of the Status window shows the names of the peripheral functions that are connected 65 RENESAS SuperH RISC engin
189. ype of the debugger target selected in step 7 In step 1 SH 2A not having the FPU or SH2A FPU having the FPU can be selected Even if you have selected SH 2A in step 1 you need to select the SH2A FPU simulator in step 7 because the simulator debugger only supports the SH2A FPU 43 RENESAS SuperH RISC engine Simulator Debugger User s Manual 3 1 2 Setting up a Workspace for the Simulator Debugger Set up the workspace for the simulator debugger in step 8 New Project 8 9 Setting the Debugger Options Target name SH 1 Simulator Configuration name SimDebug_SH 1 Detail options Simulator 1 0 disable Simulator 1 0 addr 0x0 Bus mode D Medi lt Back see Finish Cancel Figure 3 2 Debugger Option Setting Display Step 8 Configuration name By default the HEW generates two configurations Release and Debug If a debugger target has been selected a configuration for the selected target is also generated an abbreviation including the target name This configuration name can be changed in Configuration name Detail options Sets the debugger target options To modify an option select Item and click Modify If the selected item cannot be modified Modify remains gray even when Item is selected 44 RENESAS SuperH RISC engine Simulator Debugger User s Manual Simulator I O Simulation for standard I O or file I O from the user program is enabled Enable or disabled

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