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MVME147BUG 147Bug Debugging Package User`s Manual Part 2 of 2

1. Enable Disable Instruction Cache E D E CR Instruction Cache enabled Enable Disable Parity E D E D Parity disabled 147 Diag Note The default mode is for both Instruction Cache and Parity enabled during the memory tests This command may be used to display the current modes without changing them by pressing a carriage return CR without entering any new values 147 Diag gt MT O Enable Disable Instruction Cache E D E CR Instruction Cache enabled Enable Disable Parity E D E CR Parity enabled 147 Diag Memory Tests Command MT MT FP Memory Board Fast Pattern Test Command Input 147 Diag MT FP Description This command performs a W R pattern test with Instruction Cache enabled from Start Address to Stop Address The fast pattern test has been implemented in the following manner 1 Two Address Registers are loaded with the Start and Stop Addresses 2 Enable Instruction Cache 3 A Data Register is loaded with the value 55555555 4 For each longword memory location a Move the contents of the Data Register to the memory location b Move the contents of the memory location to a second Data Register c Verify that the registers contain the same value d Proceed to next memory location 5 Reload the Start Address Register 6 Load AAAAAAAA into the first Data Register 7 For each longword memory location a Move
2. gt If there are any cache misses the test fails and the display appears as follows A Basie data caching 4 sees Running CACHE MISSED FAILED If there are no cache misses the test passes A Basic data Gaclie 2 wigs eA ts eis Running PASSED MC68030 Onchip Cache Tests Command CA30 CA30 B Data Cache Tag RAM Test Command Input 147 Diag CA30 B Description This test verifies the data cache tag RAM by caching accesses to locations that cause a variety of values to be written into the tag RAM The test addresses and function codes are translated by the onchip MMU to select locations physically in the onboard RAM The criterion for passing the test is hitting in the cache on a read from a test location following a cacheable write access to that same location The data in the cache has been made stale between the cacheable write and the following read to provide the distinction between hits and misses The failure of the tag RAM to properly latch a tag should cause the cache to miss when it should hit The MMU is used to allow a wide variety of values to be used for the tags without having read write memory at each location corresponding to those tags This relies on the cache being logical as opposed to physical To allow the test to be run either out of ROM or RAM the onboard resources and the bottom 16MB of the addressing space are mapped transparently for supervisor mode
3. Meaning MMU Test error message when the MMU fails does not respond Power up Test error message Successful test message in non verbose NV mode Power up Test error message Power up Test error message FPC Test error message xxxxxxxx is address of part of test that failed MPU Exception Processing Test error message xxx is the exception vector offset RIC Test error message MPU Address Mode RTC or Z8530 Functionality Test error message MPU Exception Processing Test error message xxx is the exception vector offset FPC Test error message Power up test error message FPC Test error message xxxxxxxx is address of part of test that failed MPU Exception Processing Test error message xxx is the exception vector Offset B 4 Table B 2 Diagnostic Error Messages Continued Message Time read was XX XX xX should be 00 00 01 Unexpected Bus Error XXX Unexpected interrupt Unexpected exception taken to Vector Meaning RTC Test error message MPU Address Mode RTC or Z8530 Functionality Test error message MPU Exception Processing Test error message xxx is the exception vector offset FPC Test error message Table B 3 Other Messages At Breakpoint Auto Boot from controller X device Y STRING Autoboot in progress To Abort hit BREAK Effective address XXXXXxxxx Messages Meaning 147 Bug Debugger prompt 1
4. DUM FAILED 58 CACHE HITS CACHED IN SUPY MODE RERAN IN SUPY MODE If there are no cache hits during the second pass the test passes I I cache clear test Running PASSED Memory Tests Command MT Memory Tests Command MT General Description The following sections describe the MT tests This set of tests accesses random access memory read write that may or may not reside on the MVME147 module Default is the onboard RAM To test off board RAM change Start and Stop Addresses per MT B and MT C as described in the following sections Memory tests are listed in the following table Note If one or more memory tests are attempted at an address where there is no memory a bus error message appears giving the details of the problem Table 2 6 Memory Diagnostic Tests Command Description MTA Set function code MTB Set start address MTC Set stop address MTD Set bus data width MTE March address test MTF Walk a bit test MTG Refresh test MT H Random byte test MTI Program test MTJ TAS test MTK Brief parity test MTL Extended parity test MTM Nibble mode test MTO Set memory test options MT FP Memory board fast pattern test MT FA Memory board fast address test MT FV Memory board fast VMEbus write read test Diagnostic Firmware Guide Hardware Configuration The following hardware is required to p
5. For disk devices this field must be set to Zero For tape devices this field is used to specify variations of the same command and to receive special status information Bits 0 through 3 are used as command bits and bits 4 through 7 are used as status bits The currently defined bits are as follows Bit 7 Filemark flag If 1 a filemark was detected at the end of the last operation Bit 1 Ignore File Number IFN flag If 0 the file number field is used to position the tape before any reads or writes are done If 1 the file number field is ignored and reads or writes start at the present tape position Bit 0 End of File EOF flag If 0 reads or writes are done until the specified block count is exhausted If 1 reads are done until the count is exhausted or until a filemark is found If 1 writes are terminated with a filemark This field contains the VMEbus address modifier to use while transferring data If zero a default value of 0D is selected by the driver If nonzero the specified value is used Entry Conditions SP gt System Call Routines Address of command packet longword Exit Conditions Different from Entry SP gt Example Top of stack Status word of command packet is updated Data is written into memory as a result of DSKRD function Data is written to disk as a result of DSKWR function Z ero Set to 1 if no errors If AO A1 point to packets formatted as specifi
6. Got Bus Error when reading from ROM If no bus error occurs in one of the other parts of the test then the test fails and the appropriate error message appears as one of the following No Bus Error when reading from BAD address space Or No Bus Error when writing to BAD address space If all three parts of the test are completed correctly then the test passes BERR BUS Error Iest lveeee sw ee rs Running PASSE iw Floating Point Coprocessor MC68882 Test Command FPC Floating Point Coprocessor MC68882 Test Command FPC Command Input 147 Diag FPC Description This command tests the functions of the FPC including all the types of FMOVE FMOVEM FSAVE and FRESTORE instructions and tests various arithmetic instructions that set and clear the bits of the FPC Status Register FPSR Response Messages After the command has been issued the following line is printed FPC Floating Pnt Coprocessor Test Running If there is no FPC or if it is inoperable then the display appears as follows FPC Floating Pnt Coprocessor Test Running FAILED No FPC detected If any part of the test fails then the display appears as follows FPC Floating Pnt Coprocessor Test Running 5 FAILED Test failed FPC routine at XXxXxxxxx Here xxxxxxxx is the hexadecimal address of the part of the test that failed You may look in detail at this location in the 147Bug EPROM to
7. Memory Management Unit Tests Command MMU MMU M Segment Descriptor Used Bit Test Command Input 147 Diag gt MMU M Description This command tests the ability of the MMU to set the Used bit in a segment descriptor when the corresponding segment is accessed The test is implemented in the following manner 1 Clear the Used bit in a segment descriptor 2 Enable the MMU 3 Read from an address mapped to that segment 4 Check the Used bit in the segment descriptor If it has not been set the test fails Response Messages After entering this command the display should read as follows M Segment Desc Used Bit Running gt If the Used bit does not get set by the access in Step 3 then the test fails M Segment Desc Used Bit Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the Used bit does get set then the test passes M Segment Desc Used Bit Running PASSED 2 79 Diagnostic Firmware Guide MMU P Invalid Page Test Command Input 147 Diag gt MMU P Description This command tests the ability of the MMU to detect an invalid page and generate bus error when access is attempted to that page The invalid page is intentionally declared that way for test purposes The test is implemented in the following manner 1 Modify the descriptor for a RAM page to make it invalid
8. Parity present Bit 11 set LAN present SSID Pointer Longword contains a pointer to the Modem structure for Bug and SSID Entry Conditions SP gt Result Allocate space for ID packet address longword System Calls Exit Conditions Different from Entry SP gt Address Starting address of ID packet longword Example CLR L SP Make room for returned pointer SYSCALL BRD_ID Board ID trap call MOVE L SP A0 Get pointer off stack Scope Diagnostic Firmware Guide This diagnostic guide contains information about the operation and use of the MVME147 Diagnostic Firmware Package hereafter referred to as the diagnostics The System Start up and Diagnostic Monitor sections in this chapter give you guidance in setting up the system and invoking the various utilities and tests The Monitor Commands and Utilities sections describe basic diagnostic monitor commands and prefixes listed in Table 6 1 and the utilities listed in Table 6 2 available to you The remainder of the sections are guides to using each test suite Table 6 3 Table 2 1 Diagnostic Monitor Commands Prefixes Command Prefix Description HE Help menu command ST SST Self test prefix command SD Switch directories command LE Loop on error mode prefix SE Stop on error mode prefix LC Loop continue mode prefix NV Non verbose mode prefix DE Display error counters comman
9. 2322K Fuji SMD drive FJI10V DLUN 1 null device SMD half SMDHALF DLUN 2 80MB Fixed CMD drive FXCMD80 DLUN 3 16MB Removable CMD drive RMCMD16 Controllers devices are accessed via the SCSI interface on the MVME147 MVME327A A SCSI controller is required to interface between the SCSI bus and the devices Typical SCSI bus assignments SCSI Address 0 182MB CDC WREN III SCSI Address 1 150MB MICROPOLIS SCSI Address 2 300MB CDC WREN IV SCSI Address 3 80MB SEAGATE SCSI Address 4 ARCHIVE streaming tape drive SCSI Address 5 ARCHIVE streaming tape drive SCSI Address 6 OMTI TEAC floppy controller SCSI Address 7 MVME147 MVME327 controller Number of devices may be up to 64 assuming a SCSI controller is added at each of the addresses supported by the MVME147 If devices with embedded controllers supporting only the individual device are used then 7 devices can be supported on the MVME147 board with the 8th SCSI address being used by the MVME147 Devices 0 through 3 are accessed via the SCSI interface on the MVME319 An ADAPTEC ACB 4000 Winchester disk controller module is required to interface between the SCSI bus and the disk drive Refer to the MVME319 user s manual for further information Only two physical SMD drives may be connected to an MVME360 controller but the drive may be given two DLUNS as is the case for DLUN 3 E 7 Disk Tape Controller Data E 8 Disk Communication Status Codes The
10. 6 36 MTC eP AE a 6 38 MT D et Buie Data Wid eesriie p e tuae eye pi RD r Hee 6 40 MT E March Address Tegi oiio esna D RU dii 6 41 MT F Walk a Bit Tas oues nes A 6 42 MT G Refresh TESE 6 43 MT H ouem Bete Tesi ocsebesnikecip ruri ciere D cuida 6 45 Rs Bera ab on envi eibi pb teile tu c EN a aerate 6 47 DA EU EI TM 6 49 BUDE S Brier Tny BARRE auod EAM HOD RU M CENA b MUR B dud 6 50 MT L Extended Parity Dest aoc tentuxbci nire baf undo od ndun 6 52 MTM Ni bie Mode TENES edidi verat nena ob ao pal 6 54 MT Set Memory Test phos sic ossia in EH Bp Febre sy ceed 6 56 MT EP Memory Board Past Patteri Test ueseutse exierit edit 6 57 MT FA Memory Board Past Address Test ia osse me erra 6 59 MT FV Memory Board Fast VMEbus Write Read Test 6 61 Memory Error Display Format i uu rore pny a ATO UEO ERE pE dp a 6 63 Memory Management Unit Tests Command MMU sss 6 64 General Description eese nete tentnete tete tnn snae tenens tenen 6 64 Hardware Configuration eese eerte ntn tete tns ntn tens 6 65 MNU A RE ROoISIG ORE sceocieppieictnk inodo aeria OA URCEH DD RU ROSE ER 6 66 MMU E TES Ruuhet Test ic beueoei odia pid hc Rod o epa i bota EREE 6 67 MMU C Supervisor Program Space Tesks se see reete terrd 6 68 MMU D Superviasbr Data Space Tesoro puel er epa bideti dat 6 69 MMU E Write Mapped Read Pages Test rennen 6 70 MMU T Read Mapped ROM Test cci
11. 68030 tests Memory tests Fast pattern test Fast address test Fast VMEbus test Program test MMU 68030 tests Bus error test FPC Floating Point Coprocessor test PCC Peripheral Controller Chip test VMEbus chip test LANCE Local Area Network Controller chip test RTC Real Time Clock test Serial ports test A 2 SIZE SYSTEM MEMORY DISPLAY OFFBOARD RAM START AND STOP ADDRESS WAIT 5 SECONDS NO HALT General Description FOR h HALT HALT al Y D1SPLAY SERVICE MENU CONTINUE START UP SELECT ALTERNATE SYSTEM SERVICE BOOT DEVELOPMENT DEBUGGER CALL DISPLAY ERRORS ERROR EXTENSIVE SYSTEM SELF TEST NO ERRORS ERROR BOOTLOADER NO ERRORS OPERATING SYSTEM OR DIAGNOSTICS 11396 00 9602 Figure A 1 Flow Diagram of 147Bug System Operational Mode A System Mode Operation Menu Details Following are more detailed descriptions of the menu selections Continue System Start Up Enter 1 CR at the menu The system then continues the start up process by initializing extended confidence testing followed by a system boot Select Alternate Boot Device Enter 2 CR at the menu You are prompted with Enter Alternate Boot Device Controller Drive File Se The selection of devices supported by 147B
12. Disable incorrect parity generation e Copy the contents of the memory location to a second register generating a parity error f Copy the contents of the register to the memory location generating correct parity g Copy the contents of the memory location to a second register no parity error should occur h Proceed to next memory location 2 Disable parity checking Response Messages After the command is entered the display should appear as follows L MT Extended parity test Running gt Memory Tests Command MT If an error occurs the memory location and other related information are displayed L MT Extended parity test Running gt FAILED error related information If no errors occur the display appears as follows L MT Extended parity test Running PASSED 2 53 Diagnostic Firmware Guide MT M Nibble Mode Test Command Input 147 Diag gt MT M Description This command moves a program segment into RAM and executes it with Instruction Cache and Burst mode enabled The implementation of this is as follows 1 The program is moved into the RAM repeating it as many times as necessary to fill the available RAM i e from Start Address to Stop Address 8 Only complete segments of the program are moved The space remaining from the last program segment copied into RAM to Stop Address 8 is filled with NOP instructions Attemp
13. Do not attempt internal service or adjustment unless another person capable of rendering first aid and resuscitation is present Use Caution When Exposing or Handling the CRT Breakage of the Cathode Ray Tube CRT causes a high velocity scattering of glass fragments implosion To prevent CRT implosion avoid rough handling or jarring of the equipment Handling of the CRT should be done only by qualified maintenance personnel using approved safety mask and gloves Do Not Substitute Parts or Modify Equipment Because of the danger of introducing additional hazards do not install substitute parts or perform any unauthorized modification of the equipment Contact your local Motorola representative for service and repair to ensure that safety features are maintained Dangerous Procedure Warnings Warnings such as the example below precede potentially dangerous procedures throughout this manual Instructions contained in the warnings must be followed You should also employ all other safety precautions which you deem necessary for the operation of the equipment in your operating environment Dangerous voltages capable of causing death are A present in this equipment Use extreme caution when WARNING handling testing and adjusting Manual Terminology Throughout this manual a convention has been maintained whereby data and address parameters are preceded by a character which specifies the numeric format as follows dollar specifies
14. MPU 6 22 extended confidence tests 6 9 A 1 F failure messages 6 5 fixed CMD drive E 7 FJI10 E 6 FJI10V E 7 FJI20 E 6 Floating Point Coprocessor MC68882 Test FPC 6 97 floppy controller E 2 flow diagram system operational mode A 3 FLP5 E 3 FLP8 E 3 formatting disk 5 21 FPC command 6 97 Fuji SMD drive E 6 function code memory tests 6 35 FXCMDS80 E 7 G generating checksum 5 55 global bus error test 6 96 H hardware required cache tests 6 23 MMU tests 6 65 MPU tests 6 18 RAM tests 6 34 Hayes modem A 7 Hayes modem protocol A 5 HE command 6 8 header records C 3 Help HE 6 8 l I O function redirecting 5 45 INCHR Input character routine 5 5 indirect descriptor test 6 90 indirect RAM page test 6 76 initializing RTC date 5 42 RTC time 5 41 initiate service call A 4 INLN Input line routine 5 7 INSTAT Input serial port status 5 6 instruction test MPU 6 20 integers unsigned 5 53 IN 23 xXmoz lt moz Index invalid page test 6 80 invalid segment test 6 81 invoking I O function 5 45 system calls 5 1 IOSATM IOSEATM bit definitions D 3 IOSATW IOSEATW bit definitions D 5 IOSATW IOSEATW parameter field definitions D 5 IOSPRM IOSEPRM parameter mask bit definitions D 4 L LAN command 6 99 LANCE Chip AM7990 External Test LANX 6 100 LANCE Chip AM7990 Functionality Test LAN 6 99 LANX command 6 100 LC prefix 6 11 LE prefix 6 10 limited confidence tests A 1 line er
15. Memory Board Fast Pattern Test 6 57 MT FV Memory Board Fast VMEbus Write Read Test 6 61 MT G Refresh Test 6 43 MT H Random Byte Test 6 45 MT I Program Test 6 47 MT J TAS Test 6 49 MT K Brief Parity Test 6 50 MT L Extended Parity Test 6 52 MT M Nibble Mode Test 6 54 MT O Set Memory Test Options 6 56 multiplying unsigned integers 5 53 MULU32 Unsigned 32 bit x 32 bit mul tiply 5 53 MVME319 E 1 status codes F 7 MVME320 E 1 status codes F 7 MVME321 E 1 status codes F 8 MVME323 E 1 status codes F 10 MVME327A E 1 IN 25 xXmoz lt moz Index status codes F 13 MVME350 A 12 E 1 MVME360 E 1 N nibble mode test 6 54 Non Verbose Mode Prefix NV 6 12 null device SMD half E 6 NV prefix 6 12 O OMTI TEAC floppy controller E 7 OUTCHR Output character routine 5 31 OUTLN Output string along with CR LF 5 32 output character 5 31 output character strings 5 32 5 33 output code string 5 37 OUTSTR Output string to default out put port 5 32 P page descriptor Modify bit test 6 78 6 87 6 89 Used bit test 6 77 page invalid test 6 80 page write protect test 6 82 parameter field definitions IOSATW IOSEATW D 7 parameter mask IOSPRM D 4 parity checking test 6 50 6 52 parse value for variable 5 50 pass counter zeroing 6 14 PCC command 6 102 PCRLF Print CR LF sequence 5 35 Peripheral Channel Controller Function ality Test PCC 6 102 po
16. Most parameters have an exact CFGA equivalent The following table shows the field name offset from start of packet length equivalent CFGA field and short description of each field Those parameters that do not have an exact equivalent are indicated with and are explained after the list System Call Routines Offset Length CFGA Field Name Bytes Bytes Equivalent Description P DDS 10 1 Device descriptor size P DSR 11 1 IOSSR Step rate P DSS 12 1 IOSPSM Sector size encoded P DBS 13 1 IOSREC Block size encoded P DST 14 2 IOSSPT Sectors track P DIF 16 1 IOSILV Interleave factor P DSO 17 1 IOSSOF Spiral offset P DSH 18 1 IOSSHD Starting head P DNH 19 1 IOSHDS Number of heads P DNCYL 1A 2 IOSTRK Number of cylinders P DPCYL 1C 2 IOSPCOM Precompensation cylinder P DRWCYL 1E 2 IOSRWCC Reduced write current cylinder P DECCB 20 2 IOSECC ECC data burst length P_DGAP1 22 1 IOSGPB1 Gap 1 size P_DGAP2 23 1 IOSGPB2 Gap 2 size P_DGAP3 24 1 IOSGPB3 Gap 3 size P_DGAP4 25 1 IOSGPB4 Gap 4 size P_DSSC 26 1 IOSSSC Spare sectors count P DRUNIT 27 1 IOSRUNIT Reserved area units P DRCAIT 28 2 IOSRSVC1 Reserved count for alternates P DRCCTR 2A 2 IOSRSVC2 Reserved count for controller Notes P DDS This field is for internal use only and does not have an equivalent CFGA field It s
17. Options B Byte Ww Word L Longword Parameters address Target address data Data to be written The command requires two parameters target address and data to be written The address and data are both hexadecimal values and must be preceded by a if the first digit is other than 0 9 i e FF would be entered as FF Omission of either or both parameters causes prompting for the missing values Description The WR size command invokes a streamlined write and read of specified size to the specified memory location This command is intended as a technician aid for debug once specific fault areas are identified The write read loop is very short in execution so that measuring devices such as oscilloscopes may be utilized in tracking failures Pressing the BREAK key does not stop the command but pressing the ABORT switch or RESET switch does Example To write 00 out to address 00010000 enter 147Diag gt WR B 00010000 00 Diagnostic Firmware Guide MC68030 MPU Tests Command MPU General Description The following sections describe the MPU tests for the MC68030 These diagnostics are provided to test the MC68030 MPU as listed in the following table Table 2 4 MC68030 MPU Diagnostic Tests Command Description MPU A Register test MPU B Instruction test MPU C Address mode test MPU D Exception processing test Hardware Configuration The following hardware is required to perform these te
18. Space for results size specified by function if needed Exit Conditions Different from Entry SP gt Result size specified by function if needed To use REDIR you should 1 Allocate space on the stack for the I O function results only if required 2 Push the parameters required for the I O function on the stack only if required 3 Push code for the desired I O function on the stack 4 Push the desired port number on the stack 5 Call the REDIR function 1 45 System Calls 6 Pop the results off the stack only if required Example 1 Read a character from port 1 using REDIR CLR MOV MOV SYS MOV B E W E W CALL E B SP 0000 SP 1 S REDI SP R p DO Allocate space for results Load code for function INCHR Load port number Call redirect I O function Read character Example 2 Write a character to port 0 using REDIR MOVI MOVI MOVI EM bee DU B W W SYSCALL 1 A SP 190020 SP 10 SP R EDIR Push character to write Load code for function Load port number Call redirect I O function 1 46 System Call Routines REDIR_ REDIR__O Functions Trap Function REDIR_I Redirect input REDIR_O Redirect output Codes 0061 0062 Description The REDIR_I and REDIR_O functions are used to change the default port number of the input and
19. TAS test 6 49 6 91 tests repeating 6 10 6 11 stopping on error 6 11 time initializing 5 41 timing delays generating 5 40 transparent mode A 10 TRAP 15 functions 5 3 handler 5 1 routine status codes F 1 U UDS modem A 7 UDS modem protocol A 5 unsigned division on integers 5 54 unsigned integers multiplying 5 53 upper limit violation test 6 84 Used bit in page descriptor test 6 77 Used bit in segment descriptor test 6 79 user data space test 6 74 user program space test 6 75 6 88 utilities monitor 6 14 V variable parsing value for 5 50 VME Gate Array Test VMEGA 6 104 VMEbus write read test 6 61 VMEGA test 6 104 Volume ID Block 0 VID D 1 W walking bit test 6 42 WINAO E 3 Winchester hard drive E 3 WL size command 6 15 WR size command 6 17 WREN hard drive E 5 WREN III 182MB ESDI hard drive E 5 WRITD Output string with data 5 37 WRITDLN Output string with data and CR LF 5 37 WRITE Output string with no CR LF 5 33 write blocks of data 5 12 line 5 33 string 5 33 string with data 5 37 to memory location 6 15 Write Loop WL size 6 15 write mapped read pages test 6 70 write read addresses test 6 59 Write Read Loop WR size 6 17 write read pattern test 6 57 write read VMEbus test 6 61 WRITELN Output string with CR LF 5 33 write protect page test 6 82 write protect segment test 6 83 Z Z8530 Functionality Test Command SCC 6 101 ZE command 6 13 Zero Pass
20. operating system VIDCAS 90 144 4 Media configuration area starting block VIDCAL 94 148 1 Media configuration area length in blocks VIDMOT F8 248 8 Contains the string MOTOROLA Table D 2 Configuration Area Block 1 CFGA Length Label Offset amp Bytes Contents IOSATM 04 4 2 Attributes mask IOSPRM 06 6 2 Parameters mask IOSATW 08 8 2 Attributes word IOSREC 0A 10 2 Record block size in bytes IOSSPT 18 24 1 Sectors track IOSHDS 19 25 1 Number of heads on drive Information Used by BO and BH Commands Table D 2 Configuration Area Block 1 CFGA Continued Length Label Offset amp Bytes Contents IOSTRK 1A 26 2 Number of cylinders IOSILV 1C 28 1 Interleave factor on media IOSSOF 1D 29 1 Spiral offset IOSPSM 1E 30 2 Physical sector size of media in bytes IOSSHD 20 32 2 Starting head number IOSPCOM 24 36 2 Precompensation cylinder IOSSR 27 39 1 Stepping rate code IOSRWCC 28 40 2 Reduced write current cylinder number IOSECC 2A 42 2 ECC data burst length IOSEATM 2C 44 2 Extended attributes mask IOSEPRM 2E 46 2 Extended parameters mask IOSEATW 30 48 2 Extended attributes word IOSGPB1 32 50 1 Gap byte 1 IOSGPB2 33 51 1 Gap byte 2 IOSGPB3 34 52 1 Gap byte 3 IOSGPB4 35 53 1 Gap byte 4 IOSSSC 36 54 1 Spare sectors count IOSRUNIT 37 55 1 Reserved area units IOSRSVC1 38 56 2 Res
21. other s to the next available higher CLUN The priority for assigning CLUN 00 is first MVME147 MVME327A MVME321 MVME320 MVME319 MVME360 MVME350 MVME323 E 1 Disk Tape Controller Data Table E 1 Supported Controllers First First Controller Type CLUN Address SCSI Controller MVMEI147 00 07 FFFE4000 SCSI Floppy Tape MVMES319 00 FFFF0000 Controller Winchester Floppy MVME320 00 FFFFBO000 Cones MVME321 00 FFFF0500 ESDI Controller MVME323 08 or FFFFA000 greater SCSI Floppy MVME327A 00 07 FFFFA600 Controller Streaming Tape MVMES350 04 FFFF5000 Controller SMD Controller MVME360 02 FFFFOCOO Second CLUN 07 06 01 08 or greater 00 07 05 03 Second Address FFFF0200 FFFFACOO FFFF0600 FFFFA200 FFFFA700 FFFF5100 FFFFOEOO Disk Tape Controller Default Configurations Controller SCSI Address 0 7 see Note 1 MVME147 SCSI FFFE4000 Up to 64 8 per SCSI controller see Note 2 Controller Type Controller Address Number of Devices Controller SCSI Address 0 7 see Note 1 MVME327A SCSI FFFFA600 Up to 64 8 per SCSI controller see Note 2 Controller Type Controller Address Number of Devices E 2 Disk Tape Controller Default Configurations Controller Controller Type MVME327A Local Floppy Controller Address FFFFA600 Number of Devices 2 Controller SCSI Address
22. pointer count format 0026 PCRLF Output carriage return and line feed 0027 ERASLN Erase line 0028 WRITD Output string with data pointer count format 0029 SSNDBRK Send break 0043 DELAY Wait for the specified delay 1 3 System Calls Table 1 1 147Bug System Call Routines Continued Code Function Description 0050 RTC TM Timer initialization for RTC 0051 RTC DT Date initialization for RTC 0052 RTC_DSP Display time from RTC 0053 RTC RD Read the RTC registers 0060 REDIR Redirect I O of a TRAP 15 function 0061 REDIR I Redirect input 0062 REDIR O Redirect output 0063 RETURN Return to 147Bug 0064 BINDEC Convert binary to Binary Coded Decimal BCD 0067 CHANGEV Parse value 0068 STRCMP Compare two strings pointer count format 0069 MULU32 Multiply two 32 bit unsigned integers 006A DIVU32 Divide two 32 bit unsigned integers 006B CHK_SUM Generate checksum 0070 BRD_ID Return pointer to board ID packet 1 4 System Call Routines INCHR Function Trap Function INCHR Input character routine Code 0000 Description INCHR reads a character from the default input port The character is returned in the stack Entry Conditions SP gt Space for character byte Word fill byte Exit Conditions Different from Entry SP gt Character byte Word fill byte Example SUBO L 2 SP Allocate space
23. 0 7 see Note 1 Controller Type MVMES327A SCSI Controller Address FFFFA700 Number of Devices Up to 64 8 per SCSI controller see Note 2 Controller Controller Type MVME327A Local Floppy Controller Address FFFFA700 Number of Devices 2 Controller Controller Type MVME319 Controller Address FFFF0000 Number of Devices 8 Devices DLUN 0 40MB Winchester hard drive see Note 3 WIN40 DLUN 1 40MB Winchester hard drive see Note 3 WIN40 DLUN 2 40MB Winchester hard drive see Note 3 WIN40 DLUN 3 40MB Winchester hard drive see Note 3 WIN40 DLUN 4 8 DS DD Motorola format floppy drive FLP8 DLUN 5 8 DS DD Motorola format floppy drive FLP8 DLUN 6 5 1 4 DS DD 96 TPI floppy drive FLP5 DLUN 7 5 1 4 DS DD 96 TPI floppy drive FLP5 Controller Controller Type MVME319 Controller Address FFFF0200 E 3 Disk Tape Controller Data Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address 8 DLUN 0 40MB Winchester hard drive see Note 3 DLUN 1 40MB Winchester hard drive see Note 3 DLUN 2 40MB Winchester hard drive see Note 3 DLUN 3 40MB Winchester hard drive see Note 3 DLUN 4 8 DS DD Motorola format floppy drive DLUN 5 8 DS DD Motorola format floppy drive DLUN 6 5 1 4 DS DD 9
24. 00000000 FFFFFFFF Each line displayed consists of six items bus error function code test address graphic bit report expected data and read data The bus error reports the bus error type VMEbus Error VME local bus time out LBTO access time out ACTO Parity Error P E or undefined bus error B E The test address expected data and read data are displayed in hexadecimal The graphic bit report shows a letter x at each errant bit position and a dash at each good bit position The heading used for the graphic bit report is intended to make the bit position easy to determine Each numeral in the heading is the one s digit of the bit position For example the leftmost bad bit at test address 10004 has the numeral 2 over it Because this is the second 2 from the right the bit position is read 12 in decimal base 10 Diagnostic Firmware Guide Memory Management Unit Tests Command MMU General Description The following sections describe the MMU tests These diagnostics tests are provided to test the memory management hardware in the system The tests are listed in the following table Table 2 7 Memory Management Unit Diagnostic Tests Command MMU A Description Root Pointer RP register test MMU B Translation Control TC register test MMU C Supervisor program space test MMU D Supervisor data space test MMU E Write mapped read pages test MMU F Read mapped ROM t
25. 53 DIVU RA gud m ee ES 5 54 CHK SUM PHOSEROR qu drap eb AREA MERERI abana ane 5 55 DLE D PRU arcanum reliure cb Ok PORE REED Ro CRURA 5 56 Overview of Diagnostic Pirin wate a isccsisccicsscesendsarnszesresar rri atero ree etc ripa 6 3 CRSRUME GESEPOHD uo Gi AAA DIU SH bU Ad EAM SUED QU FH QU ean 6 3 Diagnostic IMODIQYE aactor a one etin uS beta p cip tren tere treet ett 6 6 Monitor tate Ioue tite pea pn o e IRR n HEAR RESO BLU a NE MEAN Ei 6 6 Command Entry and Directories ses iniecto aep Ohio essit 6 6 Monitor Commands Prefixes eee treten enero tnnt 6 8 Help Command EIE aseeericassise inten am EN qe dx s esM Sind Remains 6 8 Self Test Pretix Command ST ee rector Rr Kur nen Ra noon bad 6 9 Swilch Directories Command SD aerario id pe ibstton s gei 6 10 Loop on Ertor Mode Pret LE esaet tn deesset nnt 6 10 otap on Error Mode Prelix SB sieisen aS 6 11 Loop ontinue Mode Prefix JL scescciictxrnoi e kers 6 11 Non Verbose Mode Pretis e NY aie teinte ate ap 6 12 Display Error Counters Command DE sncssissascenadsnczeaonseisacaunensencusannenn 6 12 Clear Zero Error Counters Command ZE sse 6 13 Display Pass Count Command DP escisnsckate nte kite re KR NEA 6 13 Zero Pase Count Command JE acad cente einai ch dau 6 14 C 6 14 ote Loop Command VOL SI28aced crei inanimate 6 15 Read Loop Command RE Bite Loose URP de MS e REA a 6 16 Write R
26. Be sure that the two 128K x 8 147Bug EPROMs are installed in sockets U22 even bytes even Bxx label and U30 odd bytes odd Bxx label on the MVME147 module Refer to the set up procedure for your particular chassis or system for details concerning the installation of the MVME147 Connect the terminal that is to be used as the 147Bug system console to connector J7 port 1 on the MVME712 MVME712M front panel Set up the terminal as follows Eight bits per character One stop bit per character Parity disabled no parity 9600 baud to agree with default baud rate of the MVME147 ports In order for high baud rate serial communication between 147Bug and the terminal to work the terminal must do some handshaking If the terminal being used does not do hardware handshaking via the CTS line then it must do XON XOFF handshaking If you get garbled messages and missing characters then you should check the terminal to make sure XON XOFF handshaking is enabled If you want to connect device s such as a host computer system or a serial printer to ports 2 3 and or port 4 on the MVME712 MVME712M connect the appropriate cables and ports as described in the MVME712 manual and in the section Port Numbers in Chapter 2 After power up these ports can be 2 4 System Start up reconfigured by using the PF command of the 147Bug debugger Power up the system The 147Bug executes self checks and displays
27. Bit 15 1 actual word 80xx 90xx etc Final return codes Sense key status codes for request sense data error class 7 An offset of 20 is added to all sense key codes 4 The SCSI status sent from the controller is ANDed with 1E shifted right one bit and 30 added 5 Sense key status codes for request sense data error classes 0 6 An offset of 40 is added to all sense key codes Drive error codes Controller error codes Command errors RNS Miscellaneous errors F 6 Table F 3 MVME319 Controller Dependent Status Codes Code Meaning 00 Correct execution without error 01 Data CRC ECC error 02 Disk write protected 03 Drive not ready 04 Deleted data mark read 05 Invalid drive number 06 Invalid disk address 07 Restore error 08 Record not found 09 Sector ID CRC ECC error 0A VMEbus DMA error 0F Controller error 10 Drive error 11 Seek error 19 I O DMA error Table F 4 MVME320 Controller Dependent Status Codes Code Meaning 00 Correct execution without error 01 Nonrecoverable error which cannot be completed auto retries were attempted 02 Drive not ready 03 Reserved 04 Sector address out of range F 7 Disk Communication Status Codes Table F 4 MVME320 Controller Dependent Status Codes Continued Code Meaning 05 Throughput error floppy data overrun 0
28. Count ZP 6 14 zeroing error counters 6 13 zeroing pass count 6 14 ZP command 6 14 IN 28
29. Data Register to the memory location Proceed to next memory location Move the memory location address to a Data Register 2 089 tr Swap Data Register halves M Move the contents of the Data Register to the memory location j Proceed to next memory location 4 Reload the Start Address Register 5 Enable Instruction Cache again 6 For each memory location Diagnostic Firmware Guide mo ao 2 098 l Move the contents of the memory location to a Data Register Verify that the memory location address and the Data Register are the same value Proceed to next memory location Move the memory location address to a Data Register Complement the Data Register Move the contents of the memory location to a second Data Register Verify that the registers contain the same value Proceed to next memory location Move the memory location address to a Data Register Swap Data Register halves Move the contents of the memory location to a second Data Register Verify that the registers contain the same value m Proceed to next memory location 7 Disable Instruction Cache Response Messages After the command is entered the display should appear as follows FA EM Bd Fast Addr Test Running If an error is encountered the memory location and other related information are displayed FA EM Bd Fast Addr Test e
30. Entry Each serial port specified by current default port list has sent break Example SYSCALL SYSCALL System Calls DELAY Function Trap Function DELAY Timer delay function Code 0043 Description This function is used to generate accurate timing delays that are independent of the processor frequency and instruction execution rate This function uses the onboard timer for operation You specify the desired delay count in milliseconds DELAY returns to the caller after the specified delay count is exhausted Entry Conditions SP gt Delay time in milliseconds longword Exit Conditions Different from Entry SP gt Top of stack Example PEA L amp 15000 Load a 15 second delay SYSCALL DELAY PEA L amp 50 Load a 50 millisecond delay SYSCALL DELAY 1 40 System Call Routines RTC_TM Function Trap Function RTC TM Time initialization for RTC Code 0050 Description This function initializes the MK48T02 Real Time Clock RTC with the time that is located in a buffer you specify The data input format can be either ASCII or unpacked BCD The order of the data in the buffer is H H M IM S SIs Iclc Begin buffer Buffer eight bytes Entry Conditions SP gt Time initialization buffer address Exit Conditions Different from Entry SP gt Top of stack Parameter is deallocated from stack Example Time is to be initialized to 2 05 32
31. Is the modem 0 UDS 1 Hayes 2 Manual 3 Terminal Your Selection 0 UDS This means that the modem is compatible with the UDS modem protocol as used in internal Delta Series modems The model number of this modem is UDS 2122662 1 Hayes This means that the modem is compatible with a minimal subset of the Hayes modem protocol This minimum subset is chosen to address the broadest spectrum of Hayes compatible modem products Note that the modem itself is not tested when Hayes protocol is chosen while the modem is tested with the UDS protocol choice 2 Manual This mode connects directly to the modem in an ASCII terminal mode allowing any nonstandard protocol modem to be used 3 Terminal This mode is used to connect any ASCII terminal in place of a modem via a null modem or equivalent cable It is useful in certain trouble shooting applications for providing a slave terminal without the necessity of dialing through a modem A 5 A A System Mode Operation When a selection of one of the above options is made option 0 in this example the system asks Do you want to change the baud rate from 1200 Y N Note that any question requiring a Y or N answer defaults to the response listed furthest to the right in the line i e a question with Y N defaults to NO if only a carriage return is entered If you answer Y to the baud rate question the system prompts Baud rate 300 1200 2400 4800 9600 1200 Enter a selected
32. PM with a calibration factor of 15 s sign cc value Data in BUFFER is 3134 3035 3332 2D 3135 or x1x4 x0x5 x3x2 2D x1x5 x don t care PEA L BUFFER PC Put buffer address on stack SYSCALL RTC_TM Initialize time and start clock 1 41 System Calls RTC_DT Function Trap Function RTC DT Date initialization for RTC Code 0051 Description This function initializes the MK48T02 Real Time Clock RTC with the date that is located in a buffer you specify The data input format can be either ASCII or unpacked BCD The order of the data in the buffer is Y Y MM D Did Begin buffer Buffer six bytes Entry Conditions SP gt Date initialization buffer address Exit Conditions Different from Entry SP gt Top of stack Parameter is deallocated from stack Example Date is to be initialized to Monday Nov 18 1988 d day of week Data in BUFFER is 3838 3131 3138 32 or x8x8 xlxl x1x8 x2 x don t care PEA L BUFFER PC Put buffer address on stack SYSCALL RTC_DT litialize date and 3tart clock 1 42 System Call Routines RTC_DSP Function Trap Function RTC_DSP Display time from the RTC Code 0052 Description This function displays the day of the week date and time in the following format day of week MM DD YY hh mm ss Entry Conditions No arguments or stack allocation required Exit Conditions Different from Entry The cursor is l
33. The terminating CR is not considered part of the string but it is returned in the buffer Control character processing as described in the Terminal Input Output Control section in Chapter 2 is in effect 1 7 System Calls READSTR Function Trap Function READSTR Read string into variable length buffer Code 0003 Description READSTR is used to read a string of characters from the default input port into a buffer On entry the first byte in the buffer indicates the maximum number of characters that can be placed in the buffer The buffer size should at least be equal to that number 2 The maximum number of characters that can be placed in a buffer is 254 characters On exit the count byte indicates the number of characters in the buffer Input terminates when a CR is received The CR character appears in the buffer although it is not included in the string count All printable characters are echoed to the default output port The CR is not echoed Some control character processing is done AG Bell Echoed AX Cancel line Line is erased AH Backspace Last character is erased DEL Same as backspace Last character is erased LF Line feed Echoed CR Carriage return Terminates input Entry Conditions SP gt Address of input buffer longword Exit Conditions Different from Entry SP gt Top of stack The count byte contains the number of bytes in the buffer 1 8 System Call Routines Example If A
34. a 2 character hexadecimal number the first character representing the high order 4 bits and the second the low order 4 bits of the byte The five fields which comprise an S record are shown below type recora address code data checksum length These fields are composed as shown in the following table Table C 1 S Record Contents Printable Field Characters Contents type 2 S record type S0 S1 etc record length 2 The count of the character pairs in the record excluding the type and record length C 1 S Record Output Format Table C 1 S Record Contents Continued Printable Field Characters Contents address 4 6 or8 The 2 3 or 4 byte address at which the data field is to be loaded into memory code data 0 2n From 0 to n bytes of executable code memory loadable data or descriptive information For compatibility with teletypewriters some programs may limit the number of bytes to as few as 28 56 printable characters in the S record checksum 2 The least significant byte of the one s complement of the sum of the values represented by the pairs of characters making up the record length address and the code data fields Each record may be terminated with a CR LF NULL Additionally an S record may have an initial field to accommodate other data such as line numbers generated by some time sharing system Accuracy of t
35. a hexadecimal number percent specifies a binary number amp ampersand specifies a decimal number Unless otherwise specified all address references are in hexadecimal An asterisk following the signal name for signals which are edge significant denotes that the actions initiated by that signal occur on high to low transition In this manual assertion and negation are used to specify forcing a signal to a particular state In particular assertion and assert refer to a signal that is active or true negation and negate indicate a signal that is inactive or false These terms are used independently of the voltage level high or low that they represent Motorola and the Motorola symbol are registered trademarks of Motorola Inc All other products mentioned in this document are trademarks or registered trademarks of their respective holders Copyright Motorola Inc 1997 All Rights Reserved Printed in the United States of America March 1997 Contents IOS RO asc os sacs etic Ge cas E tace iei IR NNNM CFA ERN MEME UA 5 1 Invoking System Calls Through TRAP PB acscnssistansiarsusnssvantviaaueosnssiaiieconteusvess 5 1 Pin Doni DET aaa did dieat dui doe a EB RU i c aM did 5 2 See ai Pu BUE nics reti Deni e qa po y Romer vel A trad t Rb amet 53 TNC HAR FUNNOTE TAE 5 5 INSTAT Eabelbp ensino ATAA Hp RO 5 6 INEN FUNC IGE enean EA 5 7 READOTR Function red DR Pat cesa ce end 5 8 READLN FUNCION urriaren A ER EEREALI DAD MO EAR
36. accesses This allows debugging of the test with full access to the monitor debugger facilities too This requires that the test addresses that fall in these two ranges not bear supervisor function codes The translation of the test addresses and function codes is implemented by setting the CRP descriptor type to early termination and loading an offset into the CRP table address field This offset is the distance from the test address to a location in the test area and is added to every logical address that does not qualify for transparent translation refer to following section The 16MB transparently mapped areas are described by the Transparent Translation TT registers TTO matches addresses 00xxxxxx while TT1 matches addresses FFxxxxxx Both are Diagnostic Firmware Guide qualified such that the function code must specify supervisor mode The purpose in this is to force test addresses that fall in either range to be offset instead of transparently mapped The test addresses have been selected to avoid matching both address and function code with either TT register Response Messages After the command has been issued the following line is printed B D cache tag RAM ce ees Running gt If there are any cache misses the test fails and the display appears as follows B D cache tag RAM verre nano oes Running gt CACHE MISSED FAILED If there are no cache misses the test pass
37. be assigned the value 3 and POINT would contain 4 pointing to first character past 3 Note that POINT is the offset System Call Routines from the start address of the buffer not the address of the first character in the buffer to the next character to process In this case a value of 2 in POINT indicates that the space between 1 and 3 is the next character to be processed After calling CHANGEV the screen displays the following line COUNT 3 If the above code was called again nothing could be parsed from BUFFER so a prompt would be issued For purpose of example the string 5 is entered in response to the prompt couNT 3 5 CR COUNT 5 If in the previous example nothing had been entered at the prompt COUNT would retain its prior value COUNT 3 CR COUNT 3 System Calls STRCMP Function Trap Function STRCMP Compare two strings pointer count Code 0068 Description Comparison for equality is made and Boolean flag is returned to caller The flag is 00 if the strings are not identical otherwise it is FF Entry Conditions SP gt Address of string 1 Address of string 2 Three bytes unused Byte to receive string comparison result Exit Conditions Different from Entry SP gt Three bytes unused Byte to receive string comparison result Example If A1 and A2 contain addresses of the two strings SUBQ L 4 SP Allocate longword to rece
38. command parsing error reporting interrupt handling and a multi level directory Monitor Start Up When the monitor is first brought up following power up or push button switch RESET the following is displayed on the diagnostic video display terminal port 1 terminal Copyright Motorola Inc 1989 1990 All Rights Reserved VME147 Monitor Debugger Release 2 3 3 30 90 CPU running at 25 MHz COLD Start 147 Bug If after a delay the 147Bug begins to display test result messages on the bottom line of the screen in rapid succession the MVME147 is in the Bug system mode If this is not the desired mode of operation then press the ABORT switch When the menu is displayed enter a3 to go to the system debugger The environment may be changed by using the Set Environment ENV command Refer to Appendix A for details of Bug operation in the system mode At the prompt enter SD to switch to the diagnostics directory The Switch Directories SD command is described elsewhere in this chapter The prompt should now read 147 Diag gt Command Entry and Directories You may enter commands at the prompt 147 Diag gt Enter the name mnemonic for the command and then press the Return or Enter key CR You may enter multiple commands You may combine several commands on one line 2 6 Diagnostic Monitor If a command expects parameters and another command is to follow it separate the two with an exclamation point Fo
39. from either port console or remote is taken simultaneously All output is sent to both ports concurrently Either the console or the remote console may terminate the concurrent mode at any time by typing a CTRL A The phone line is hung up by the MVME147 ROM code and a message is displayed indicating the end of the concurrent mode A 8 Menu Details The most likely command sequence at this point is a message command to indicate connection to the remote system followed by a request for concurrent mode operation When these are received your system asks Concurrent mode Y N If you wish to enter concurrent mode enter Y The system then presents the information Control A to exit Concurrent Mode The menu is redisplayed and concurrent mode is in effect Any normal system operation can now be initiated at either the local or remote connected terminal including system reboot Continue System Start Up Select Alternate Boot Device Go to System Debugger Initiate Service Call Display System Test Dump Memory to Tape YA UO BWN rp Brrors Start Conversation Mode Note that a seventh entry has been added to the menu This Start Conversation Mode entry allows either party to initiate a direct conversation mode between the two terminals the remote system terminal and the local terminal This seventh entry is only displayed when the system is in concurrent mode but it actually can be selected and used at any ti
40. of heads IOSTRKB 6 Number of cylinders IOSILVB 7 Interleave factor IOSSOFB 8 Spiral offset IOSPSMB 9 Physical sector size IOSSHDB 10 Starting head number IOSPCOMB 12 Precompensation cylinder number IOSSRB 14 Step rate code IOSRWCCB 15 Reduced write current cylinder number and ECC data burst length D 4 IOSATW and IOSEATW Table D 5 IOSEPRM Parameter Mask Bit Definitions Label Bit Position Description IOAGPB1 0 Gap byte 1 IOAGPB2 1 Gap byte 2 IOAGPB3 2 Gap byte 3 IOAGPB4 3 Gap byte 4 IOASSC 4 Spare sector count IOARUNIT 5 Reserved area units IOARVC1 6 Reserved count 1 IOARVC2 7 Reserved count 2 IOSATW and IOSEATW Contains various flags that specify characteristics of the media and drive Table D 6 IOSATW Bit Definitions Bit Number Description Bit 0 Data density 0 Single density FM encoding 1 Double density MFM encoding Bit 1 Track density 0 Single density 48 TPI 1 Double density 96 TPI Bit 2 Number of sides 0 Single sided floppy 1 Double sided floppy D 5 Information Used by BO and BH Commands Table D 6 IOSATW Bit Definitions Continued Bit Number Description Bit 3 Floppy disk format 0 Motorola format sector numbering 1 to N on side 0 N 1 to 2N on side 1 1 Standard IBM format 1 to N on both sides Bit 4 Disk type 0 Floppy disk 1 Hard disk Bit 5 Drive data de
41. on the SCSI bus or attempt to reset a specified device This field contains the SCSI address for the controller device being accessed For the read SCSI address command the SCSI address of the controller device is returned in this field For the set SCSI address command the new SCSI address of the controller device is contained in this field For the reset SCSI command the least significant nibble D3 through D0 contains SCSI address 0 through 7 of the device to be reset If the most significant bit D7 is set the entire SCSI bus is reset System Calls Attribute Word Memory Address Byte Count Block Count Device Type The data returned in this field contains additional information about the controller device being accessed The inquiry command returns the following information For direct access disk device bit 4 set For sequential access tape device bit 15 set The open command returns the following information For disk device bit 4 set for hard disk device cleared for floppy device For tape device bit 15 set and bit 11 set if device supports buffered writes Address of buffer in memory For read operations data is written to memory starting at this location For write operations data is read from memory starting at this location 04 MSW 06 LSW This field contains the number of bytes to transfer Used by both the inquiry and open commands This field contains t
42. operating system crash utilities do not utilize the results of this tape image Debugging Package Messages The following tables list the debugging package error messages Table B 1 Debugging Error Messages Message Error Status Xxxx Meaning Disk communication error status word when IOP command or DSKRD or DSKWR TRAP 15 functions are unsuccessful Refer to Appendix F for details Illegal argument Improper argument in known command Invalid command Unknown command Invalid LUN Controller and device selected during IOP or IOT command do not correspond to a valid controller and device Invalid Range Range entered wrong in BF BI BM BS or DU commands Long Bus Error Message displayed when using an unassigned or reserved function code or mnemonic part of S record data Printed out if non hexadecimal character is encountered in data field in LO or VE commands RAM FAIL AT XXXXXXXX Parity is not correct at address xxxxxxxx during a BI command B 1 Debugging Package Messages Table B 1 Debugging Error Messages Continued Message I SNXXYYYYAAAA ZZ CS unassembled line Unknown Field Verify passes The following record s did not verify Meaning Failure during the LO or VE commands ZZ is the non matching byte and CS is the non matching checksum Message a
43. passes E Write Mapped Read Pages Running PASSED 2 70 Memory Management Unit Tests Command MMU MMU F Read Mapped ROM Test Command Input 147 Diag gt MMU F Description This command tests some of the upper MMU address lines by attempting to access the ROM Both supervisor program and supervisor data function codes are used to test two separate paths through the translation table The test is implemented in the following manner 1 Set up a pointer to the ROM that is PC relative All PC relative accesses use supervisor program space and are software transparent 2 Set up a pointer to the ROM that uses virtual addressing Accesses using this pointer are to supervisor data space 3 Enable the MMU 4 For each location in the ROM read the ROM via both pointers The data read should be identical Note The table walking for the supervisor data space takes a much different path than that for supervisor program space If the data does not match then the test fails Display the physical address the expected and read data 5 Disable the MMU Response Messages After entering this command the display should read as follows F Read Mapped ROM 0 000 Running If the data read via the two pointers ever differs then the test fails 2 71 Diagnostic Firmware Guide F Read Mapped ROM ees Running gt Addr 00100000 Expect 00000001 R
44. result Exit Conditon Different from Entry SP gt 32 bit quotient result from division Example Divide D0 by D1 load result into D2 SUBQ L 4 SP Allocate space for result MOVE L DO SP Push dividend MOVE L D1 SP Push divisor SYSCALL DIVU32 Divide D0 by D1 MOVE L SP D2 Get quotient System Call Routines CHK SUM Function Trap Function Code Description CHK SUM Generate checksum for address range 006B This function generates a checksum for an address range that is passed in as arguments Entry Conditions SP gt Beginning address longword Ending address 1 longword Space for checksum word Exit Conditions Different from Entry SP gt Example CLR W PEA L PEA L SYSCALL MOVE W Notes 1 2 Checksum word SP Make room for the checksum Al Push pointer to ending address 1 A0 Push pointer to starting address CHK_SUM Invoke TRAP 15 call SP DO Load D0 W with checksum EE00 MSB even LSB odd If a bus error results from this routine then the bug bus error exception handler is invoked and the calling routine is also aborted The calling routine must insure that the beginning and ending addresses are on word boundaries or the integrity of the checksum cannot be guaranteed 1 55 System Calls BRD ID Function Trap Function BRD ID Return pointer to board ID packet Code 0070 Description This
45. specified 0B Bad density specified 0C Write protected disk 0D Format error F 9 Disk Communication Status Codes Table F 5 MVME321 Controller Dependent Status Codes Continued Code Meaning 0E Can not find side track or sector 0F CRC error in ID field s 10 CRC error in data field 11 DMA underrun 20 Bad disk size in descriptor Table F 6 MVME323 Controller Dependent Status Codes Code Meaning 00 Correct execution without error 10 Disk not ready 11 Not used 12 Seek error 13 ECC code error data field 14 Invalid command code 15 Illegal fetch and execute command 16 Invalid sector in command 17 Illegal memory type 18 Bus time out 19 Header checksum error 1A Disk write protected 1B Unit not selected 1C Seek error time out 1D Fault time out 1E Drive faulted 1F Ready time out F 10 Table F 6 MVME323 Controller Dependent Status Codes Continued Code Meaning 20 End of medium 21 Translation fault 22 Invalid header pad 23 Uncorrectable error 24 Translation error cylinder 25 Translation error head 26 Translation error sector 27 Data overrun 28 No index pulse on format 29 Sector not found 2A ID field error wrong head 2B Invalid sync in data field 2C No valid header found 2D Seek time out error 2E Busy time ou
46. status word returned by the disk TRAP 15 routines flags an error condition if it is nonzero The most significant byte of the status word reflects controller independent errors and they are generated by the disk trap routines The least significant byte reflects controller dependent errors and they are generated by the controller The status word is shown below 15 8 7 0 Controller Independent Controller Dependent Table F 1 Controller Independent Status Codes Code Meaning 00 No error detected 01 Invalid controller type 02 Invalid controller LUN 03 Invalid device LUN 04 Controller initialization failed 05 Command aborted via break 06 Invalid command packet 07 Invalid address for transfer F 1 Disk Communication Status Codes Table F 2 MVME147 SCSI Packet Status Codes Code Meaning Notes Intermediate Return Codes 00 1 01 Wait for interrupt command door closed No new 1 commands may be issued to firmware Okay to send new commands when multiple caller rules 02 Wait for interrupt command door open OK to send 1 new commands for other devices to firmware 03 Link flag received 1 04 A message has been received User must interpret 1 Final Return Codes 00 Good Script processing is OK 2 01 Undefined problem 2 02 Reserved 2 03 Interrupt handler was entered with no
47. transparent mode and prompt anually hang up the modem and when you are done exit the transparent mode Escape character 01 A The system is now in normal operation and the menu is redisplayed Note that in the manual mode of operation transparent mode refers to the connection between your terminal and the modem for manual modem control and concurrent mode refers to the concurrent operation of a modem connected terminal and the system console Terminal Mode Operation Operation in terminal mode entering a 2 to select manual mode at the prompt 1s the Modem Your Selection is in most ways identical to other connection modes except that after the prompt to allow change of baud rate the system automatically A System Mode Operation enters concurrent mode Additionally exiting concurrent mode does not give prompts and messages referring to the hang up sequence All other system operation is the same as other modes of connection Display System Test Errors Enter 5 CR at the menu this selection displays any errors accumulated by the extended confidence test suite when last run This can be a useful field service tool Dump Memory to Tape Enter 6 CR at the menu This selection creates an image of the system area of memory on a streaming tape if the prerequisite controller is attached The option works only with QIC 2 devices as used with the Motorola MVME350 controller Latest versions of SYSTEM V 68
48. 0 device configuring 5 16 control functions implementing 5 24 formatting 5 21 diagnostic firmware package 6 1 diagnostic guide 6 1 diagnostic monitor 6 6 diagnostic tests 6 2 MMU 6 64 diagnostics cache 6 23 MPU 6 18 RAM 6 33 directories switching between 6 10 disk communication status codes F 1 disk controllers configurations E 2 modules E 1 disk tape controller configurations E 2 disk tape controller modules E 1 Display Error Counters DE 6 12 Display Pass Count DP 6 13 displaying extended confidence test er rors A 12 division by zero 5 54 division unsigned 5 54 DIVU32 Unsigned 32 bit x 32 bit divide 5 54 DLUN E 3 downloading S records C 4 IN 22 DP command 6 13 dpp1 command A 7 DS DD 96 TPI floppy drive E 3 DS DD Motorola format floppy drive E 3 DSKCFIG Disk configure function 5 16 DSKCTRL Disk control function 5 24 DSKFMT Disk format function 5 21 DSKRD Disk read function 5 12 DSKWR Disk write function 5 12 dual console mode A 5 dump memory command A 7 dumping memory to tape A 12 E entering commands 6 6 environment changing 6 6 EPROMSs diagnostics debugger 6 3 erasing a line 5 36 ERASLN Erase line 5 36 error counters displaying 6 12 resetting to zero 6 13 error display format 6 63 error message display format example 6 63 error stop test on 6 11 ESDI controller E 2 ESDI hard drive E 5 Ethernet connections test 6 100 exception processing test
49. 0000 Read 00000000 map of table walk displayed here FAILED If the access to the modified page does not cause a bus error or the Modified bit for the page does not get set then the test fails and the table walk is displayed 0 RAMI W Cycles qr 6 ub Ses Running gt Hit page Missed page Modified page Addr XXXXXXXX Expect 80000000 Read 00000000 map of table walk displayed here FAILED If all three phases of the test complete successfully then the test passes and the display appears as follows Q R M W CVYCTeS verses portet t erre Running gt Hit page aes ous hoe ree Missed page Modified page PASSED 2 92 Memory Management Unit Tests Command MMU Table Walk Display Format Many of the MMU tests display the supposed path through the translation table upon encountering an error This section explains the format used to display that path and the meaning of the values shown A sample table walk display is illustrated in the following figure It is described in the following table RP 00000000 TOSITILTITT cs seg M ri Seg0 Segl 22222222 33333333 gt 44444444 55555555 gt 66666666 77777777 V shown only if previous page desc is an indirect mud Z Du Table 2 8 Sample Table Walk Display Value Description 00000000 Root pointer register contents address of function code table 11111111 Trans
50. 00144ED492 S9030000FC The module consists of one S0 record four S1 records and an S9 record Example The SO record is comprised of the following character pairs S0 S record type SO indicating that it is a header record 06 Hexadecimal 06 decimal 6 indicating that six character pairs orASCII bytes follow 00 Four character 2 byte address field zeroes in this example 00 44 48 ASCII H D and R HDR 52 1B The checksum The first S1 record is explained as follows S1 S record type S1 indicating that it is a code data record to be loaded verified at a 2 byte address 13 Hexadecimal 13 decimal 19 indicating that 19 character pairs representing 19 bytes of binary data follow 00 Four character 2 byte address field hexadecimal address 00 0000 where the data which follows is to be loaded The next 16 character pairs of the first 51 record are the ASCII bytes of the actual program code data In this assembly language example the hexadecimal opcodes of the program are written in sequence in the code data fields of the 1 records 285F MOVE L A7 A4 245F MOVE L A7 A2 2212 MOVE L A2 D1 226A0004 MOVE L 4 A2 Al1 24290008 MOVE L FUNCTION A1 D2 237C MOVE L FORCEFUNC FUNCTION A1 2A The checksum of the first S1 record C 5 S Record Output Format The balance of the code in the first S1 record i
51. 2 Enable the MMU 3 Attempt to read from the page This should generate a bus error 4 If no bus error occurred then the test fails Response Messages After entering this command the display should read as follows D dPnedlig Pager Accs sucker ude Running gt If the MMU does not cause the CPU to take a bus error exception then the test fails E Invalidi Page eunnieeewoee a a Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the MMU does cause the CPU to take a bus error exception then the test passes P unvalrd5Bage 0154499 cce Poca Rog Running PASSED Memory Management Unit Tests Command MMU MMU Q Invalid Segment Test Command Input 147 Diag gt MMU Q Description This command tests the ability of the MMU to detect an invalid segment and generate bus error when access is attempted to that segment The invalid segment is intentionally declared that way for test purposes The test is implemented in the following manner 1 Modify the descriptor for a RAM segment to make it invalid 2 Enable the MMU 3 Attempt to read from the page in the segment This should generate a bus error 4 If no bus error occurred then the test fails Response Messages After entering this command the display should read as follows Gx invalid Segment A ore dairs dose gd s Running gt If the MMU does not cause the CP
52. 45221 map of table walk displayed here FAILED If the test passes then the display appears as follows 0 User Prog SpaQe 149 239 94 ewes Running PASSED Memory Management Unit Tests Command MMU MMU Z 1 Page Descriptor Modify Bit Test Command Input 147 Diag gt MMU Z 1 Description This command is used in conjunction with MMU Z to test the ability of the MMU to set the Modify bit in a page descriptor when the page gets written to This test operates exactly like the test described under the MMU L command the only difference is that the MMU is set to 16 bit mode before executing the test described in that section Response Messages After entering this command the display should read as follows 1 Page Desc Modify Bit Running gt The conditions determining the success of this test are fully described in the MMU L command as well as the error messages If the test fails the display appears as shown 1 Page Desc Modify Bit Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the test passes then the display appears as follows 1 Page Desc Modify Bit Running PASSED Diagnostic Firmware Guide MMU Z 2 Indirect Page Test Command Input 147 Diag gt MMU Z 2 Description This command is used in conjunction with MMU Z to handle an indirect descriptor This
53. 47 Diag Diagnostic prompt Indicates program has stopped at breakpoint Message when Autoboot is enabled by AB command X and Y are hexadecimal numbers STRING is an ASCII string If Autoboot is enabled this message is displayed at Power Up informing you that Autoboot has begun Exact location of data during BF BI BM BS BV DU and EEP commands or where program was executed during GD GN GO and GT commands B 5 Debugging Package Messages Table B 3 Other Messages Continued Messages Effective count amp XXX Escape character SHH AA Initial data XX increment SYY last match extends over rang boundary Logical unit XX unassigned No Auto Boot from controller X device Y STRING No printer attached not found OK to proceed y n Press RETURN to continue Break Clock is in Battery Save Mode Meaning Actual number of data patterns acted on during BF BI BS BV or EEP commands or the number of bytes moved during DU command Exit code from transparent mode in hexadecimal HH and ASCII AA during TM command XX is starting data and YY is truncated increment cut to fit data field size during BF or BV commands String found in BS command ends outside specified range Message that may be output during PA or PF commands XX is a hexadecimal number indicating the port involved Message when Autoboot is disabled by NORB c
54. 6 Command rejected illegal command 07 Busy controller busy 08 Drive not available head out of range 09 DMA operation cannot be completed VMEbus error 0A Command abort reset busy 0B FF Not used Table F 5 MVME321 Controller Dependent Status Codes Code Meaning General Error Codes 00 Correct execution without error 17 Time out 18 Bad drive 1A Bad command 1E Fatal error Hard Disk Error Codes 01 Write protected disk 02 Sector not found 03 Drive not ready 04 Drive fault or time out on recalibrate 05 CRC or ECC error in data field 06 UPD7261 FIFO overrun underrun 07 End of cylinder 08 Illegal drive specified F 8 Table F 5 MVME321 Controller Dependent Status Codes Continued Code Meaning 09 Illegal cylinder specified 0A Format operation failed 0B Bad disk descriptor 0C Alternate track error 0D Seek error 0E UPD7261 busy 0F Data does not verify 10 CRC error in ID field 11 Reset request missing address mark 12 Correctable ECC error 13 Abnormal command completion 20 Missing data mark Floppy Disk Error Codes 01 End of transfer size mismatch 02 Bad TPI combination specified 03 Drive motor not coming on 04 Disk door open 05 Command not completing 06 Bad restore operation 07 Illegal side reference on device 08 Illegal track reference on device 09 Illegal sector reference on device 0A Illegal step rate
55. 6 TPI floppy drive DLUN 7 5 1 4 DS DD 96 TPI floppy drive MVME320 FFFFB000 4 DLUN 0 40MB Winchester hard drive DLUN 1 40MB Winchester hard drive DLUN 2 5 1 4 DS DD 96 TPI floppy drive DLUN 3 5 1 4 DS DD 96 TPI floppy drive MVME320 FFFFACOO 4 DLUN 0 40MB Winchester hard disk DLUN 1 40MB Winchester hard disk DLUN 2 5 1 4 DS DD 96 TPI floppy drive DLUN 3 5 1 4 DS DD 96 TPI floppy drive MVME321 FFFF0500 WIN40 WINAO WIN40 WIN40 FLP8 FLP8 FLP5 FLP5 WINAO WINAO FLP5 FLP5 WINAO WIN40 FLP5 FLP5 E 4 Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Disk Tape Controller Default Configurations 8 DLUN 0 40MB Winchester hard drive DLUN 1 40MB Winchester hard drive DLUN 2 40MB Winchester hard drive DLUN 3 40MB Winchester hard drive DLUN 4 5 1 4 DS DD 96 TPI floppy drive DLUN 5 5 1 4 DS DD 96 TPI floppy drive DLUN 6 5 1 4 DS DD 96 TPI floppy drive DLUN 7 5 1 4 DS DD 96 TPI floppy drive MVME321 FFFF0600 8 DLUN 0 40MB Winchester hard drive DLUN 1 40MB Winchester hard drive DLUN 2 40MB Winchester hard drive DLUN 3 40MB Winchester hard drive DLUN 4 5 1 4 DS DD 96 TPI floppy drive DLUN 5 5 1 4 DS DD 96 TPI floppy drive DLUN 6 5 1 4 DS DD 96 TPI floppy drive DLUN 7 5 1 4 DS DD 96 TPI fl
56. AS 5 10 SPIN BER PODCHOR 2r rtu vedo p Ov d Ode ra var n UM Do Rt e 5 11 DSRRD DSKWR PROTICHOLDBS i i Sctode bbb p bv a Rp bb x EH Heap Ho MER 5 12 ARP UGS FUNCH oee o arn a eripire d dp ddr EEE EO eC P E 5 16 ADOBE FIED Pate Rott ioco o REX rU PRORA ER Rd ERR POR EE 5 21 SRC TRL Pancho ao Cree A De DRE ER PURSE 5 24 WUTCHR Pate in RE SM 5 31 SOUT TR OU TLIN Funch oS nogra kier YO ecce ere 5 32 ANRLLE WRIDIBLEN PHEDDODE board pa APRES TE AAE 5 33 PRL EP POIBEIDON diues rok ERU REO nme mara iain 5 35 JBI AS LIN Puancotfc sao necp obi de blab RR v ER ab Eabb S 5 36 ANRLIIDSOWRKLITDLIN PHICUORS o ecc modii di R Y bXRCO AAAS 5 37 SINIDIBRE PUP Ve BOW nta GHI Ud pef BR Hon Rd ERE POQ UHR PPAER FORM p EROR 5 39 DELAY Funghi o t ce e ob rb a o eee 5 40 RIC IM DPUCUD a s EEG IMS RO tH EE HC Fr OD aaa i bI E ER 5 41 RIC DET EHBIOBOB e perpe rne oue ic dr lr e Rope e oed 5 42 RIC DOP Pancho acce cuo IER PORE np IE HUE pO O EO POUR PARADE SURE 5 43 JC RD PEHDODOU de psv ane ep bu Ae y ERR p ER tas 5 44 REDIR Functio S a pere pErte EXER seta p es api ep ME HD ise audet 5 45 REDIR TL KBDIR O FHICHODS cmn irte aces dera ect 5 47 RETURN EFRON ospiti Ex PER ERE EXER EE DA S DU EPOD GE ERE SRM NUR 5 48 BINDE Banh OG catch diced das fasce rb ren RE EON p RR 5 49 CHANGEV Funci serana pde M RH Farid ka Ple het bia ER 5 50 GTROCMP PORCH ie odere roin o DODeiC On CU EU Pr Dr OR YO Cc Gi aa eror 5 52 MULU S2 POHCHOP s onion dE Poo Eb ER A UR EpL EXER ERR PARET RERDR 5
57. FPC 6 97 LANCE Chip AM7990 Functionality Test Command LAN 6 99 LANCE Chip AM7990 External Test Command LANX 6 100 ZB8590 Functionality Test Command SCsueeenckeie neni xo a eiue iA 6 101 Peripheral Channel Controller Functionality Test Command PCC 6 102 VME Gate Array Test Command VMEGA iuueni eene texit t 6 104 toneri Dose pu iuan R A 1 Menu Detalls M XX A 4 ronis Syste ERES nan nena aaa hee A 4 Select Alternate Boat Device iones nem inana A 4 Lota oren DoVP dae ser eme Vetere gerry Cem ert ree errr ey rant A 4 Ir tiate Service Callas usseuenesens ero vereserirese tese trente erret rie eR Xe pe A 4 General PLOW M A 5 Mannal Mode enueeblbli nyersen eira E a A 10 Terminal Mode Operation iei esito pet si abe extras ais A 11 Display System Test DECOR o esee ineo riri boris onb lop ud pc oen A 12 Bue Menos to TapE de errr etrer A E resrverrieerirre tre re A 12 riesen M Y Cl Record COMent A el S Record Type RC pao eon ane ema C2 Creatine gt Regis a d IP e Pp pb HMM PDA ana iq berba C 4 Exaapilleicoaessisced ciini di on A ee anata edn cea C 4 MPLS Bah SE D 1 IOSATMI and TOSEA TM wcscccnassicosiinnntscttinsictendanriciniaaainneanencencen D 3 IOSPRIM and DOSE IRIE crini aiaa akaaka aiina a RF PUR M e EA D 4 IOSATW and IOSEAT YY Laa
58. MC68030 cache as listed in the following table Table 2 5 MC68030 Cache Diagnostic Tests Command Description CA30A Basic data caching test CA30 B D cache tag RAM test CA30 C D cache data RAM test CA30D D cache valid flags test CA30 F Basic instruction caching test CA30 G Unlike instruction function codes test CA30 H I cache disable test CA30 I I cache clear test Note The normal procedure for fixing an MC68030 cache error is to replace the MPU Hardware Configuration The following hardware is required to perform these tests a MVME147 Module being tested a VME chassis a Video display terminal Diagnostic Firmware Guide CA30 A Basic Data Caching Test Command Input 147 Diag gt CA30 A Description This test checks out the basic caching function by deliberately causing stale data then reading the corresponding locations Failure is declared if the cache misses or if any value is read that is not what is expected to be in the cache The test is meant only to provide a gross functional check of the cache Its purpose is to verify that each entry in the cache latches and holds data independently of the other entries It does not check for bad bits in the tag RAM valid flags or data RAM other than what is required to cache a simple pattern Response Messages After the command has been issued the following line is printed A Basie data CACHING socero Running
59. MEI47FW D MVME147BUG 147Bug Debugging Package User s Manual Parts 1 and2 V147BUGA1 UM this manual V147BUGA2 UM MVME147S MPU VMEmodule User s Manual MVME147S D MVMET712M Transition Module and P2 Adapter Board VME712MA IH Installation and Use MVME712 12 MVME712 13 MVME712A MVME712AM and MVME712A D MVME712B Transition Modules and LCP2 Adapter Board User s Manual MC68030 32 Bit Microprocessor User s Manual MC68030UM MC68881 MC68882 Floating Point Coprocessor User s Manual MC68881UM MVMEO050 System Controller Module User s Manual MVMEO050 D Motorola Document Title Publication Number MVME319 Intelligent Disk Tape Controller User s Manual MVME319 D MVME320A VMEbus Disk Controller Module User s Manual MVME320A D MVME320B VMEbus Disk Controller Module User s Manual MVME320B D MVME221 Intelligent Disk Controller User s Manual MVME321 D MVME3221 IPC Firmware User s Guide MVME321FW D MVME327A VMEbus to SCSI Bus Adapter and MVME717 Transition MVME327A D Module User s Manual MVME350 Streaming Tape Controller VMEmodule User s Manual MVME350 D MVME350 IPC Firmware User s Manual MVME350FW D MVME360 SMD Disk Controller User s Manual MVME360 D Notes 1 Although not shown in the above list each Motorola Computer Group manual publication number is suffixed with characters which represent the revision level of the document such as D2 or UM2 the second revision of a manual a supple
60. MVME147BUG 147Bug Debugging Package User s Manual Part 2 of 2 V147BUGA2 UM1 Notice While reasonable efforts have been made to assure the accuracy of this document Motorola Inc assumes no liability resulting from any omissions in this document or from the use of the information obtained therein Motorola reserves the right to revise this document and to make changes from time to time in the content hereof without obligation of Motorola to notify any person of such revision or changes No part of this material may be reproduced or copied in any tangible medium or stored in a retrieval system or transmitted in any form or by any means radio electronic mechanical photocopying recording or facsimile or otherwise without the prior written permission of Motorola Inc It is possible that this publication may contain reference to or information about Motorola products machines and programs programming or services that are not announced in your country Such references or information must not be construed to mean that Motorola intends to announce such Motorola products programming or services in your country Restricted Rights Legend If the documentation contained herein is supplied directly or indirectly to the U S Government the following notice shall apply unless otherwise agreed to in writing by Motorola Inc Use duplication or disclosure by the Government is subject to restrictions as set forth in subparagra
61. MVME327A Specific Errors SCSI error additional status available Indeterminate media error no additional information Indeterminate hardware error Blank check EOD or corrupted WORM Incomplete extended message from target Invalid reselection by an unthreaded target No status returned from target Message out not transferred to target Message in not received from target Incomplete data read to private buffer Incomplete data write from private buffer Incorrect CDB size was given Undefined SCSI phase was requested Time out occurred during a select phase Command terminated due to SCSI bus reset Invalid message received Command not received Unexpected status phase SCSI script mismatch Unexpected disconnect caused command failure Request sense command was not successful No write descriptor for controller drive Incomplete data transfer F 15 Disk Communication Status Codes Table F 7 MVME327A Controller Dependent Status Codes Continued Code Meaning 97 Out of local resources for command processing 98 Local memory resources lost 99 Channel reserved for another VME host 9A Device reserved for another SCSI device 9B Already enabled expecting target response 9C Target not enabled 9D Unsupported controller type 9E Unsupported peripheral device type 9F Block size mismatch A0 Invalid cylinder number in format defect list A1 Invalid head number in format defect list A2 Block siz
62. O contains the string buffer address MOVE B 75 A0 Set maximum string size PEA L A0 Push buffer address TRAP 15 may also invoke by SYSCALL DC W 3 macro SYSCALL READSTR MOVE B A0 DO Read actual string size Note This routine allows the caller to dictate the maximum length of input to be less than 254 characters If more characters are entered the buffer input is truncated Control character processing as described in the Terminal Input Output Control section in Chapter 2 is in effect 1 9 System Calls READLN Function Trap Function READLN Read line to fixed length buffer Code 0004 Description READLN is used to read a string of characters from the default input port Characters are echoed to the default output port A string consists of a count byte followed by the characters read from the input The count byte indicates the number of characters read from the input The count byte indicates the number of characters in the input string excluding CR LF A string may be up to 254 characters Entry Conditions SP gt Address of input buffer longword Exit Conditions Different from Entry SP gt Top of stack The first byte in the buffer indicates the string length Example If AO points to a 256 byte buffer PEA A0 Push buffer address SYSCALL READLN Read a line from default input port Note The caller must allocate 256 bytes for a buffer Input may be up to 254 charact
63. ORI B 0 D0 147Bug String Formats for I O Within the context of the TRAP 15 handler there are two formats for strings Pointer Pointer The string is defined by a pointer to the first character and a pointer to the last character 1 Pointer Count The string is defined by a pointer to a count byte which contains the count of characters in the string followed by the string itself A line is defined as a string followed by a carriage return and a line feed CR LF 1 2 System Call Routines System Call Routines The TRAP 15 functions are summarized in Table 5 1 Refer to the writeups on the utilities for specific use information Table 1 1 147Bug System Call Routines Code Function Description 0000 JINCHR Input character 0001 INSTAT Input serial port status 0002 JINLN Input line pointer pointer format 0003 READSTR Input string pointer count format 0004 READLN Input line pointer count format 0005 CHKBRK Check for break 0010 DSKRD Disk read 0011 DSKWR Disk write 0012 DSKCFIG Disk configure 0014 DSKFMT Disk format 0015 DSKCTRL Disk control 0020 OUTCHR Output character 0021 OUTSTR Output string pointer pointer format 0022 OUTLN Output line pointer pointer format 0023 WRITE Output string pointer count format 0024 WRITELN Output line pointer count format 0025 WRITDLN Output line with data
64. SCII command set If the manual mode is selected a few differences must be taken into account A new mode called transparent mode is entered when manual modem control is attempted This means that your terminal is in effect connected directly to the modem for control purposes When in transparent mode you must take responsibility for modem control and informing the system of when connection has taken place etc If you entered a 2 to select manual mode at the prompt Is the Modem Your Selections the following dialog takes place Menu Details All prompts and expected responses through the prompt Enter System ID Number takes place as above However in manual mode after the ID number has been entered the system prompts anually call CSO and when you are connected exit the transparent mode Escape character 01 A You should type a CTRL A when connection is made or if for any reason a connection cannot be made Because the system has no knowledge of the status of the system when transparent mode is exited it asks Did you make the connection Y N If you answer Y to the question the system then continues with a normal dialog with the remote system which would be for the remote system to send the banner message followed by a request for concurrent mode operation If N is the response the system asks Terminate CSO conversation Y N A positive response to this question causes the system to reenter
65. SI commands 0002 The required parameters are passed in a command packet which has been built somewhere in memory The address of the packet is passed as an argument to the function The packet is as follows F E DC BA 9887 6 5 4 3 2 1 0 00 CONTROLLER LUN DEVICE LUN 02 STATUS WORD 04 06 MEMORY ADDRESS 08 0A 0 0c FUNCTION 0E 0 ADDRESS MODIFIER Field Descriptions Controller LUN Device LUN Status Word Memory Address Function System Call Routines Logical Unit Number LUN defined by the IOT command of the controller to use Logical Unit Number of device to use This status word reflects the result of the operation It is zero if the command completed without errors Refer to Appendix F for meanings of returned error codes For the SEND command contains a pointer to the SEND packet For the delete BPP channel command contains the BPP channel address 0 a Bug channel For the SCSI command contains a pointer to the SCSI packet Note that these packets as opposed to the command packet are controller and device dependent Information about these packets should be found in the user manual for the controller and device being accessed 04 MSW 06 LSW This field contains one of the following function codes SEND Command 0000 allows you to send a packet in the specified format of the controller Delete BPP 0001 allows you to delete either the Bug channel or your own BPP
66. Space sez pee eur Running gt If a bus error occurs then the test fails D Super Data Space Running bus error CPU registers dumped to screen here FAILED If the table walk does not cause a bus error s then the test passes D Super Data Spaca viewers Running PASSED Diagnostic Firmware Guide MMU E Write Mapped Read Pages Test Description This command is a test that writes data with the MMU disabled then verifies that the data can be read with the MMU enabled The test is implemented in the following manner 1 Fill two pages with a pattern 2 Enable the MMU 3 Check RAM where the two pages were written Report all discrepancies Command Input 147 Diag gt MMU E Response Messages After entering this command the display should read as follows E Write Mapped Read Pages Running gt If a bus error occurs or data read does not equal that expected then the test fails A bus error generates a dump of the MC68030 MPU register contents Data corruption generates a message that indicates where the error occurred then a map of the table walk is displayed E Write Mapped Read Pages Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the reading of the two pages does not generate a bus error and the patterns read match the expected then the test
67. U Branch to the address in the first page of the trap instruction leaving supervisor mode and entering user mode The MC68030 should fetch the operating word at the end of the valid page then attempt to prefetch the next word which crosses the page boundary into the invalid page If the MC68030 takes a bus error exception then the test fails Once bus error exception processing completes control passes to the special trap handler Once in the special trap handler the stack is cleaned up leaving the MC68030 in supervisor mode and a test is performed to determine if the MC68030 executed a bus error exception If the bus error occurred then the test fails Diagnostic Firmware Guide Response Messages After entering this command the display should read as follows X Prefetch On Inv Page Running gt If a bus error occurs then the test fails X Prefetch On Inv Page Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the prefetching does not cause the MC68030 to take a bus error exception then the test passes X Prefetch On Inv Page Running PASSED 2 86 Memory Management Unit Tests Command MMU MMU Y Modify Bit and Index Test Command Input 147 Diag gt MMU Y Description This command tests the capability of the MMU to set the Modify Bit in a page de
68. U to take a bus error exception then the test fails Q Invalid Segment ees rtm ewe ove Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the MMU does cause the CPU to take a bus error exception then the test passes Os Invalid Segment aee Gees re mx Running PASSED Diagnostic Firmware Guide MMU R Write Protect Page Test Command Input 147 Diag gt MMU R Description This command tests the page write protect mechanism in the MMU If the MMU is functioning correctly then attempting a write to a protected page causes a bus error The test is implemented in the following manner 1 Set the WP bit in the descriptor for the first RAM page 2 Enable the MMU 3 Attempt to write to the protected page 4 If a bus error does not occur then the test fails Response Messages After entering this command the display should read as follows R Write Protect Page eese Running gt If the MMU does not cause the CPU to take a bus error exception then the test fails R Write Protect Page Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the MMU does cause the CPU to take a bus error exception then the test passes R Write Protect Page 99e Uu Running PASSED Memory Management Unit Tests Command MMU MMU S Write Protect Se
69. XX If all parts of the test are completed correctly the test passes MPU Address Mode test Running PASSED 2 21 Diagnostic Firmware Guide MPU D Exception Processing Test Command Input 147 Diag gt MPU D Description This command tests many of the exception processing routines of the MC68030 but not the interrupt auto vectors or any of the floating point coprocessor vectors Response Messages After the command has been issued the following line is printed D PU Exception Processing Test Running If any part of the test fails the display appears as follows D PU Exception Processing Test Running 5 FAILED Test Failed Vector 4 xxx Here xxx is the hexadecimal exception vector offset as explained in the MC68030 32 Bit Microprocessor User s Manual However if the failure involves taking an exception different from that being tested the display is D PU Exception Processing Test Running 5 FAILED Unexpected exception taken to Vector 4 XXX If all parts of the test are completed correctly the test passes D MPU Exception Processing Test Running PASSED MC68030 Onchip Cache Tests Command CA30 MC68030 Onchip Cache Tests Command CA30 General Description The following sections describe the CA30 tests for the MC68030 These diagnostics are provided to test the
70. a new value 147 Diag gt MT D Bus Width 3221 1620 current value new value Bus Width 3221 1620 new value 147 Diag This command may be used to display the current value without changing it by pressing a carriage return CR without entering the new value 147 Diag gt MT D Bus Width 32 1 16 0 current value CR Bus Width 3221 1620 current value 147 Diag 2 40 Memory Tests Command MT MT E March Address Test Command Input 147 Diag gt MT E Description This command performs a march address test from Start Address to Stop Address The march address test has been implemented in the following manner 1 All memory locations from Start Address up to Stop Address are cleared to 0 2 Beginning at Stop Address and proceeding downward to Start Address each memory location is checked for bits that did not clear and then the contents are changed to all Fs all the bits are set This process reveals address lines that are stuck high 3 Beginning at Start Address and proceeding upward to Stop Address each memory location is checked for bits that did not set and then the memory location is again cleared to 0 This process reveals address lines that are stuck low Response Messages After the command is entered the display should appear as follows E MT March Addr Test Running gt If an error is encountered the memory location and other related i
71. ag is set for hardcopy mode a CR LF is issued instead Entry Conditions No arguments required Exit Conditions Different from Entry The cursor is positioned at the beginning of a blank line Example SYSCALL ERASLN System Call Routines WRITD WRITDLN Functions Trap Functions WRITD Output string with data WRITDLN Output string with data and CR LF Codes 0028 0025 Description These TRAP functions take advantage of the monitor I O routine which outputs your code string containing embedded variable fields You pass the starting address of the string and the address of a data stack containing the data which is inserted into the string The output goes to the default output port Entry Conditions Eight bytes of parameter positioned in stack as follows SP gt Address of string longword 4 Data list pointer longword A separate data stack or data list arranged as follows Data list pointer gt Data for first variable in string longword Data for next variable longword Data for next variable longword Etc Exit Conditions Different from Entry SP gt Top of stack Parameter stack space will have been deallocated System Calls Example The following section of code ERRMESSG DC B 14 ERROR CODE 10 82 MOVE L 3 A5 Push error code on data stack PEA L A5 Push data stack location PEA L ERRMESSG PC Push address of st
72. art Address to Stop Address The refresh test has been implemented in the following manner 1 For each memory location a Write out value FC84B730 b Verify that the location contains FC84B730 c Proceed to next memory location Delay for 500 milliseconds 1 2 second For each memory location a Verify that the location contains FC84B730 b Write out the complement of FC84B730 037B48CF c Verify that the location contains 037B48CF d Proceed to next memory location Delay for 500 milliseconds For each memory location a Verify that the location contains 037B48CF b Write out value FC84B730 c Verify that the location contains FC84B730 d Proceed to next memory location 2 43 Diagnostic Firmware Guide Response Messages After the command is entered the display should appear as follows G MT Refresh Test Running gt If an error is encountered the memory location and other related information are displayed G MT Refresh Test Running Praias FAILED error related information If no errors are encountered the display appears as follows G MT Refresh Test Running PASSED Memory Tests Command MT MT H Random Byte Test Command Input 147 Diag gt MT H Description This command performs a random byte test from Start Address to Stop Address The random byte test has been implemented in
73. asing 5 36 reading 5 7 5 10 writing 5 33 5 37 local bus error test 6 96 Logical Unit Number LUN E 1 loop read 6 16 loop write 6 15 loop write read 6 17 loop continue mode 6 13 Loop Continue Mode Prefix LC 6 11 Loop on Error Mode Prefix LE 6 10 manual mode A 5 manual modem connect mode A 10 march address test 6 41 MC68030 MPU Tests MPU 6 18 MC68030 Onchip Cache Tests CA30 6 23 MC68882 test 6 97 memory dumping to tape A 12 Memory Management Unit Tests MMU 6 64 memory tests brief parity 6 50 bus data width 6 40 error display format 6 63 extended parity 6 52 fast pattern write read 6 57 function code 6 35 hardware required 6 34 instruction cache enable disable 6 56 march address 6 41 move program into RAM 6 47 nibble mode 6 54 parity enable disable 6 56 random byte 6 45 refresh test 6 43 set option 6 56 start address 6 36 stop address 6 38 TAS 6 49 walking bit test 6 42 write read addresses 6 59 write read VMEbus 6 61 Memory Tests MT 6 33 menu of commands 6 8 menu start up A 1 A 4 mess command A 8 message command A 8 messages failure 6 5 suppressing 6 12 MICROPOLIS E 7 MK48T02 5 41 5 42 MK48T02 test 6 94 MMU 0 Read Modify Write Cycle Test 6 91 MMU A RP Register Test 6 66 IN 24 J B TC Register Test 6 67 J C Supervisor Program Space Test 6 68 J D Supervisor Data Space Test 6 69 U E Write Mapped Read Pages Test 6 70 J F Read Mapped ROM Test 6 71 J G Fully Fil
74. baud rate such as 300 and type a return Entering only a carriage return leaves the baud rate as previously set The system then asks Is the modem already connected to customer service Y N When a connection has been made to customer service or any other remote device hang up does not automatically occur it is an operation you must initiate If a system reset has occurred for instance a hang up does not take place and connection to CSO is still in effect In this case it is not necessary or desirable to attempt to reconnect on a connection that is already in effect When an answer is entered to the question the system responds Enter System ID Number This number is one assigned to your system by its affiliated customer service organization The system itself does not care what is entered here but the customer service computer may do a check to assure the validity of this number for login purposes The system responds with Wait for an incoming Call or Dial Out W D You have the option of either waiting for the other computer to dial in to complete the connection or dialing out yourself If you enter W then skip the next step If you enter D the system asks Menu Details Hayes Modem T Tone Dialing Default P Pulse Dialing Pause and Search for a Dial Tone UDS Modem T Tone Dialing Default P Pulse Dialing Pause and Search for a Dial Tone Wait 2 Seconds E
75. be individually cleared while the latter checks for the opposite Response Messages After the command has been issued the following line is printed D D cache valid flags test Running gt If there are any cache hits when clearing valid flags the test fails and the display appears as follows D D cache valid flags test Running gt VALID BIT CLEAR SUBTEST EXPECTED MISS FAILED If there are any cache misses when setting valid flags the test fails and the display appears as follows D D cache valid flags test Running gt VALID BIT SET SUBTEST EXPECTED HIT FAILED If all flags are valid the test passes D D cache valid flags test Running PASSED MC68030 Onchip Cache Tests Command CA30 CA30 F Basic Instruction Caching Test Command Input 147 Diag gt CA30 F Description This command tests the basic instruction caching function of the MC68030 microprocessor The test caches a program segment that resides in RAM freezes the cache changes the program segment in RAM then reruns the program segment If the cache is functioning correctly the cached instructions are executed Failure is detected if the MC68030 executes the instructions that reside in RAM any cache misses cause an error The process is first attempted in supervisor mode for both the initial pass through the program s
76. bit is set SP ICR error data written Sxx read xx GPCR error data written xx read xx LAN interrupt pending bit is set LAN ICR error data written xx read xx GP SR error data read xx should be 00 SCSI Port interrupt pending bit is set SCSI Port reset signal is active SCSI ICR error data written xx read xx Slave Bus AR error data written xx read xx Can not stop Timer x Timer Preload Register not working properly did not interrupt expected level x Timer overflow counter not working properly Timer interrupt status bit not set for int Timer x expected int level x and got x Watchdog timer did not time out as expected SWI x did not generate interrupt at level x Expected SWI x at level x and got x Unexpected level x interrupt at Vector xxx x Timer x x n xxxxxxxx xxxx xx and x are hexadecimal numbers For further information on the PCC device refer to the MVME147S MPU VMEmodule Installation and Use Manual If all parts of the test are completed correctly then the test passes PCC PCC Functionality Test Running PASSED 2 103 Diagnostic Firmware Guide VME Gate Array Test Command VMEGA Command Input 147 Diag gt VMEGA Description This command performs a test of the VME Gate Array VMEGA registers First VMEbus mastership is obtained and RAM accesses from the VMEbus are disabled then the VMEbus is released Executes reads and writes from the l
77. channel from the controller list of channels If the channel address is zero the Bug BPP channel is deleted If nonzero the designated BPP channel is deleted System Calls SCSI Command 0002 allows you to send a SCSI packet in the specified format Address Modifier This field contains the VMEbus address modifier to use while transferring data If zero a default value of 0D is selected by the driver If nonzero the specified value is used The SCSI packet is as follows F E DC BA 98 7 6 5 4 3 2 1 O 00 SCSI COMMAND CODE SCSI ADDRESS 02 ATTRIBUTE WORD 04 06 MEMORY ADDRESS 08 BYTE COUNT wth BLOCK COUNT 0c 0 0E 0 DEVICE TYPE Field Descriptions System Call Routines SCSI Command Code This field contains one of the following SCSI SCSI Address commands 01 Read SCSI address command is used to read the SCSI address of the controller 02 Set SCSI address command is used to change the SCSI address of the controller 03 Codes 03 through 07 reserved for 2 nonSCSI bus related commands 07 08 Inquiry command returns information regarding parameters for the controller device being accessed Specific details about the inquiry command can be found in the user manual for the controller device being accessed 09 Open command is a safe access to a device to get configuration information 0A Reset SCSI command is used to either reset all devices
78. cord for a block of S3 records The address field may optionally contain the 4 byte address of the instruction to which control is to be passed There is no code data field A termination record for a block of S2 records The address field may optionally contain the 3 byte address of the instruction to which control is to be passed There is no code data field A termination record for a block of S1 records The address field may optionally contain the 2 byte address of the instruction to which control is to be passed There is no code data field Normally only one S0 header record is used although it is possible for multiple header records to occur 57 and 58 records are usually used only when control is to be passed to a 3 or 4 byte address Only one S9 termination record is used for each block of S records C 3 S Record Output Format Creating S Records S record format programs may be produced by dump utilities debuggers linkage editors cross assemblers or cross linkers Refer to the debugger utilities in Chapter 3 for downloading S records from a host system verifying S records from a host system against contents of memory and dumping data from memory in S record format Example Shown below is a typical S record format module as printed or displayed 00600004844521B 1130000285F245F2212226A000424290008237C2A 11300100002000800082629001853812341001813 113002041E900084E42234300182342000824A952 1070030
79. d ZE Clear zero error counters command DP Display pass count command ZP Zero pass count command 2 1 Diagnostic Firmware Guide Table 2 2 Diagnostic Utilities Command Description WL size Write loop enable RL size Read loop enable WR size Write read loop enable Note size may be B byte W word or L longword Table 2 3 Diagnostic Test Commands Command Description MPU MPU tests for the MC68030 CA30 MC68030 onchip cache tests MT Memory tests MMU Memory Management Unit tests RTC Real time clock tests BERR Bus error test FPC Floating point coprocessor MC68882 test LAN LANCE chip AM7990 functionality test LANX LANCE chip AM7990 external test SCC 28530 functionality test PCC Peripheral channel controller functionality test VMEGA VME gate array test 2 2 Overview of Diagnostic Firmware Overview of Diagnostic Firmware The MVME147 diagnostic firmware package consists of two 128K x 8 EPROMs that are installed on the MVME147 These two EPROMs which also contain 147Bug contain a complete diagnostic monitor along witha battery of utilities and tests for exercise test and debug of hardware in the MVME147 environment The diagnostics are menu driven for ease of use The Help HE command displays a menu of all available diagnostic functions i e the tests and utilities Several tests have a subtest menu which may be called u
80. d contains the number of sectors per track allocated as spare sectors These sectors are only used as replacements for bad sectors on the disk This field specifies the units used for the next two fields IOSRSVC1 and IOSRSVC2 If zero the units are in tracks if 1 the units are in cylinders This field specifies the number of tracks IOSRUNIT 0 or the number of cylinders IOSRUNIT 1 reserved for the alternate mapping area on the disk This field specifies the number of tracks IOSRUNIT 0 or the number of cylinders IOSRUNIT 1 reserved for use by the controller D 8 Disk Tape Controller Data Disk Tape Controller Modules Supported The VMEbus disk tape controller modules listed in Table E 1 are supported by the 147Bug First Address is the default address for each type of controller and the controller can be addressed by the first Controller Logical Unit Number First CLUN during commands BH BO or IOP or during TRAP 15 calls DSKRD or DSKWR Note that if another one of the same type of controller is used the second one must have its address changed by its onboard jumpers and or switches so that it matches Second Address and can be called up by Second CLUN Additionally if one or more MVME319 MVME320 MVME321 and or MVME327A is used the 147Bug firmware automatically assigns the one with the highest priority to its default conditions First CLUN and First Address and also automatically assigns the
81. determine exactly what function failed If any part of the test is halted by an unplanned interrupt then the display appears as follows FPC Floating Pnt Coprocessor Test Running 5 FAILED Unexpected interrupt If all parts of the test are completed correctly then the test passes FPC Floating Pnt Coprocessor Test Running PASSED Diagnostic Firmware Guide If the connection is good but any part of the test fails then the display appears as follows LANX Lance External Loopback Test Running FAILED error message error message is one of the following Timeout no level x interrupt Unexpected level x interrupt from Lance chip Expected level x Received level x interrupt Unexpected bus error at XXXXXXXX Lance Status Error Memory Error Lance Status Error Missed Packet Error Lance Status Error Collision Error Lance Status Error Babble Error Lance Status Error CSRO Sxxxx Rx Buffer Sxxxxxxxx Sent xx Received xx CSR1 fail Wrote xxxx Read Sxxxx CSR2 fail Wrote xx Read xx Here xxxxxxxx xxxx xx and x are hexadecimal numbers If all parts of the test are completed correctly then the test passes LANX Lance External Loopback Test Running PASSED 2 98 LANCE Chip AM7990 Functionality Test Command LAN LANCE Chip AM7990 Functionality Test Command LAN Command Input 147 Diag
82. e The parameters required for the command are passed in a command packet which has been built somewhere in memory The address of the packet is passed as an argument to the function The format of the packet is as follows F E DC BA 987 6 5 4 3 2 1 0 00 CONTROLLER LUN DEVICE LUN 02 STATUS WORD 04 06 0 08 DISK BLOCK NUMBER 0A 0c 0 0E FLAG BYTE ADDRESS MODIFIER System Calls Field Descriptions Controller LUN Device LUN Status Word Block Number Flag Byte Logical Unit Number LUN defined by the IOT command of the controller to use Logical Unit Number of device to use This status word reflects the result of the operation It is zero if the command completed without errors Refer to Appendix F for meanings of returned error codes For disk direct access devices when doing a format track the track that contains this block number is formatted 08 MSW 0A LSW For tape sequential access devices this field is ignored For disk devices bit 0 is interpreted as follows If 0 it indicates a Format Track operation The track that contains the specified block is formatted If 1 it indicates a Format Disk operation All the tracks on the disk are formatted For tape devices bit 0 is interpreted as follows If 0 it selects a Retension tape operation This rewinds the tape to BOT advances the tape without interruptions to EOT and then rewinds it bac
83. e changed temporarily however using the REDIR_I and REDIR_O functions as described in this chapter To change the defaults and have them remain through a power up or reset use the PF command Invoking System Calls Through TRAP 15 To invoke a system call from your program simply insert a TRAP 15 instruction into the source program The code corresponding to the particular system routine is specified in the word following the TRAP opcode as shown in the following example Example Format in your program TRAP 15 System call to 147Bug DC W xxxx Routine being requested xxxx code 1 1 System Calls In some of the examples shown in the following descriptions a SYSCALL macro is used This macro automatically assembles the TRAP 15 call followed by the Define Constant for the function code For clarity the SYSCALL macro is as follows SYSCALL ACRO TRAP 15 DC W ML ENDM Using the SYSCALL macro the system call would appear in your program as follows SYSCALL routine name It is of course necessary to create an equate file with the routine names equated to their respective codes When using the 147Bug one line assembler disassembler the SYSCALL macro and the equates are predefined Simply write in SYSCALL followed by a space and the function then carriage return Example 147 Bug M 03000 DI 0000 3000 00000000 ORI B 0 D0 SYSCALL OUTLN 0000 3000 4E4F0022 SYSCALL OUTLN 0000 3004 00000000
84. e mismatch nonfatal A3 Our SCSI ID was not changed by command A4 Our SCSI ID has changed A5 No target enable has been completed A6 Cannot do longword transfers A7 Cannot do DMA transfers A8 Invalid logical block size A9 Sectors per track mismatch AA Number of heads mismatch AB Number of cylinders mismatch AC Invalid floppy parameter s AD Already reserved AE Was not reserved F 16 Table F 7 MVME327A Controller Dependent Status Codes Continued Code Meaning AF Invalid sector number B0 CB RTReserved not used CC Self test failed CD FF Reserved not used Table F 8 MVME350 Controller Dependent Status Codes Code Meaning 00 Correct execution without error 01 Block in error not located 02 Unrecoverable data error 03 End of media 04 Write protected 05 Drive offline 06 Cartridge not in place 0D No data detected 0E Illegal command 12 Tape reset did not occur 17 Time out 18 Bad drive 1A Bad command 1E Fatal error Disk Communication Status Codes Table F 9 MVME360 Controller Dependent Status Codes Code Meaning 00 Correct execution without error 10 Disk not ready 11 Not used 12 Seek error 13 ECC code error data field 14 Invalid command code 15 Illegal fetch and execute command 16 Invalid sector in command 17 Illegal memory type 18 Bu
85. e test fails a time out eventually occurs and then the test fails and the display appears as follows SCC 28530 Functionality Test Running gt FAILED Interrupt Level 7 Baud 19200 Tx Err Stat Chg Rx Err Spec Rx Tx Tout Rx Tout Port 1 F F Port 2 s F F Port 3 F F Port 4 F F 28530 Functionality Test FAILED Tx Ert Transmit error Stat chg External status change Rx Err Receive error Spec Rx Special Receive condition Tx Tout Transmit Timeout Rx Tout Receive Timeout The only other possible error messages are Unexpected Bus Error Unexpected exception Format Vector xxxx Here xxxx is a hexadecimal number If all parts of the test are completed correctly then the test passes SCC 28530 Functionality Test Running PASSED 2 101 Diagnostic Firmware Guide Peripheral Channel Controller Functionality Test Command PCC Command Input 147 Diag PCC Description This command performs a functionality test of the Peripheral Channel Controller PCC device Writes and reads registers that cannotbe tested functionally Checks tick timers 1 and 2 at interrupt levels 1 through 7 Checks the watchdog timer but stops it from timing out to prevent a system reset it may time out if the device fails Checks the software interrupts 1 and 2 at interrupt levels 1 through 7 Note Ifa printeris attached to the printer port dep
86. ead FA445221 map of table walk displayed here FAILED If the test is able to read every ROM location via both paths then it passes F Read Mapped ROM ees Running PASSED 2 72 Memory Management Unit Tests Command MMU MMU G Fully Filled ATC Test Command Input 147 Diag gt MMU G Description This command tests the Address Translation Cache ATC by verifying that all entries in the translation cache can hold a page descriptor For the MMU this is done by filling the ATC with locked descriptors and then verifying that each descriptor is resident in the cache This is implemented as follows 1 The lock bit is set in the first 63 page descriptors 2 The first word in each of those pages is read creating an entry for each page in the ATC 3 The Lock Warning LW bit in the PCSR register is checked and if it is not set an error is flagged 4 The MMU PTEST instruction is used to verify that the page descriptors for each of the 63 pages reside in the ATC Response Messages After entering this command the display should read as follows Gr Fully Filled ATC ys eg exeweede eet Running gt If a word in the list does not match the corresponding word at the beginning of a page then the test fails G Fully Filed ATC zuweeiuieneee M ee Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If every word
87. ead Looe Command WR Si cerne metier 6 17 MC68030 MPU Teste Condauand MPU osasse cete 6 18 General LIGseri DE auae a desde mi Mbps S 6 18 Hardware Configuration eee eee tette te tetn ntn tn tenens 6 18 MPU A Register Test accessoiren IRE c b dA n 6 19 MPU B Insirachon Tesisinin decani dgio x i o d E 6 20 MPU C Address Mode T65L incisis eem ente bcr su n atom 6 21 MPU D Exception Processing Test isse decenni pense eid inia 6 22 MC68030 Onchip Cache Tests Command CA30 sss 6 23 General Description eese eese tete tenetnte tete tenenete tote tensnenn 6 23 Hardware Configuration eese eese tenete te tenete tete tnnnnann 6 23 CAJA Pasie Data Caching Tegin 6 24 CA30 B Data Cache Tag RAM Tepl asnanesrermoneasin nip ER 6 25 CAJ Data Cache Data RAM sboncen 6 27 CA0 D Data Cache Valid Flags Test ecrcscricusi onn 6 28 CAJ F Basie nstroeton Caching TESE ascaoin 6 29 CA30 G Unlike Instruction Function Codes Test nens 6 30 CAJ EL Deale TEST aoii n caida opua cn dpa 6 31 LAN Let i c 6 32 Memory Teste Command MT sisemisi reuk neeskunde bU pe Vd 6 33 General DeScription ccscssssssssssscssssssesssssssssssscsesesssssnsnsesessensnseseseeneeees 6 33 Hardware Configuration scccecsssssssescecesssssessecssesssseseecsssssssesesessnssesenes 6 34 MIT Set Punch GODS edipi nado Rea neues 6 35 MT Ee Ser opa AC Ie ise nier ste meae Debo VPE DUO annie
88. ed above ERROR PEA L A0 SYSCALL DSKRD Read from disk BNE ERROR Branch if error PEA L Al SYSCALL DSKWR Write to disk BNE ERROR Branch if error XXXXX XXX Handle error XXXXX XXX System Calls DSKCFIG Function Trap Function DSKCFIG Disk configure function Code 0012 Description This function allows you to change the configuration of the specified device It effectively performs an IOT under program control All the required parameters are passed in a command packet which has been built somewhere in memory The address of the packet is passed as an argument to the function The packet format is as follows F E DC B A 9 87 6 5 4 3 2 1 0 00 CONTROLLER LUN DEVICE LUN 02 STATUS WORD 04 06 MEMORY ADDRESS 08 0A 0c 0E 0 ADDRESS MODIFIER Field Descriptions Controller LUN Device LUN Logical Unit Number LUN defined by the IOT command of controller to use Logical Unit Number of device to use Status Word Memory Address Address Modifier System Call Routines This status half word reflects the result of the operation It is zero if the command completed without errors Refer to Appendix F for meanings of returned error codes Contains a pointer to a device descriptor packet that contains the configuration information to be changed 04 MSW 06 LSW This field contains the VMEbu
89. eft at the end of the string Example SYSCALL RTC_DsP Displays the day date and time on the screen 1 43 System Calls RTC_RD Function Trap Function RTC RD Read the RTC registers Code 0053 Description Used to read the real time clock registers The date returned is in BCD The last byte of the returned data is the calibration value c bit 5 is a sign bit 1 indicates positive 0 indicates negative The order of the data in the buffer is Y M Did H MJIS c Begin buffer Buffer seven bytes Entry Conditions SP gt Buffer address where RTC data is to be returned longword Exit Conditions Different from Entry SP gt Top of stack Buffer now contains date and time in BCD format Example A date and time of Saturday May 11 1988 2 05 32 PM are to be returned in the buffer d day of week c calibration value Data in buffer is 88 05 11 07 14 05 32 xx xx unknown PEA L BUFFER PC Put buffer address on stack SYSCALL RTC RD Read timer 1 44 System Call Routines REDIR Function Trap Function REDIR Redirect I O function Code 0060 Description REDIR is used to select an I O port and at the same time invoke a particular I O function The invoked I O function reads or writes to the selected port Entry Conditions SP gt Port word I O function to call word Parameters of I O function size specified by function if needed
90. egment and the second pass It is then repeated using user mode for the initial pass and the second pass A bit is included in each cache entry for distinguishing between supervisor and user mode If this bit is stuck or inaccessible the cache misses during one of these two tests Response Messages After the command has been issued the following line is printed F Basic instr caching Running gt If there are any cache misses during the second pass through the program segment the test fails and the display appears as follows F Basic inser Caching 4 44 Running Pu obs FAILED 2 CACHE MISSES CACHED IN SUPY MODE RERAN IN SUPY MODE If there are no cache misses during the second pass the test passes F BasrG anstr caching speise Running PASSED Diagnostic Firmware Guide CA30 G Unlike Instruction Function Codes Test Command Input 147 Diag gt CA30 G Description This command tests the ability of the onchip cache to recognize instruction function codes Bit 2 of the function code is included in the tag for each entry This provides a distinction between supervisor and user modes for the cached instructions To test this mechanism a program segment that resides in RAM is cached in supervisor mode The cache is frozen then the program segment in RAM is changed When the program segment is executed a second time in user mode there should be no cache
91. ending on the type of printer attached one or more of the printer port tests may fail Response Messages After the command has been issued the following line is printed PCC PCC Functionality Test Running gt If any part of the test fails then the display appears as follows PCG PCC Functionality Test ieee ss Running gt FAILED error message error message is one of the following Unable to obtain VMEbus mastership DMA Is Enabled A interrupt pending bit set A CSR error data written xx read Sxx A ICR error data written xx read Sxx A SR error data read xx should be 00 TAFCR error data written xx read xx TAR error write xx read xx should be xx DMA AR error data written xx read xx D D D D 2 102 Peripheral Channel Controller Functionality Test Command PCC BCR error data written xx read xx AC Fail interrupt pending bit is set AC Fail interrupt enable bit is 0 should be 1 AC Fail interrupt enable bit is 1 should be 0 Printer interrupt pending bit is set PICR error wrote Sxx read xx expected xx PCR error wrote xx read xx Bus Error interrupt pending bit is set Bus Error interrupt enable bit is 0 should be 1 Bus Error interrupt enable bit is 1 should be 0 Abort interrupt pending bit is set Abort interrupt enable bit is 0 should be 1 Abort interrupt enable bit is 1 should be 0 Serial Port interrupt pending
92. ere it permits access to only the first page 2 Attempt access to the second page 3 This should cause a bus error If no bus error occurs then the test fails Response Messages After entering this command the display should read as follows V Upper Limit Violation Running gt If the MMU does not cause the CPU to take a bus error exception then the test fails V Upper Limit Violation Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the MMU does cause the CPU to take a bus error exception then the test passes V Upper Limit Violation Running PASSED Memory Management Unit Tests Command MMU MMU X Prefetch on Invalid Page Boundary Test Command Input 147 Diag gt MMU X Description This command tests to see if the MC68030 ignores a bus error that occurs as a result of a prefetch The MMU signals a bus error if a prefetch operation crosses a page boundary into an invalid page The MC68030 is to ignore such bus errors The test is implemented in the following manner 1 Invalidate the second page mapped to user program space This page is shared with user data space Insert a trap instruction at the last location of the previous page this page is still valid Point to a special trap handler that checks for the bus error by examining some flags Enable the MM
93. erform these tests a MVME147 Module being tested a VME chassis a Video display terminal a Optional off board memory Memory Tests Command MT MT A Set Function Code Command Input 147 Diag gt MT A new value Description This command allows you to select the function code used in most of the memory tests The exceptions to this are Program Test and TAS Test Response Messages If you supplied the optional new value the display appears as follows 147 Diag gt MT A new value Function Code lt new value gt 147 Diag If a new value was not specified the old value is displayed and you are allowed to enter a new value Note The default is Function Code 5 which is for onboard RAM 147 Diag gt MT A Function Code lt current value gt new value Function Code lt new value gt 147 Diag This command may be used to display the current value without changing it by pressing a carriage return CR without entering the new value 147 Diag gt MT A Function Code lt current value gt CR Function Code lt current value gt 147 Diag Diagnostic Firmware Guide MT B Set Start Address Command Input 147 Diag MT B new value Description This command allows you to select the start address used by all of the memory tests For the MVME147 it is suggested that address 00004000 be used Other addresses may be used but extreme caution should be used when attempting to test memory belo
94. ers CR LF is sent to default output following echo of input Control character processing as described in the Terminal Input Output Control section in Chapter 2 is in effect System Call Routines CHKBRK Function Trap Function CHKBRK Check for break Code 0005 Description CHKBRK returns a non zero status in the condition code register if break status detected at default input port Entry Conditions No arguments or stack allocation required Exit Conditions Different from Entry Z flag clear in CCR if break status is detected Example SYSCALL CHKBRK BEQ BREAK System Calls DSKRD DSKWR Functions Trap Functions DSKRD Disk read function DSKWR Disk write function Codes 0010 0011 Description These functions are used to read and write blocks of data from to the specified disk device Information about the data transfer is passed in a command packet which has been built somewhere in memory Your program must first manually prepare the packet The address of the packet is passed as an argument to the function The same command packet format is used for DSKRD and DSKWR The command packet is eight words in length and is arranged as follows F E DC BA 98 7 6 5 4 3 2 1 O 00 CONTROLLER LUN DEVICE LUN 02 STATUS WORD 04 06 MEMORY ADDRESS 08 BLOCK NUMBER DISK OR 0A FILE NUMBER TAPE 0c NUMBER OF BLOCKS 0E FLAG BYTE ADDRESS MODIFIER Field D
95. erved count 1 IOSRSVC2 3A 58 2 Reserved count 2 D 2 IOSATM and IOSEATM IOSATM and IOSEATM A 1 in a particular bit position indicates that the corresponding attribute from the attributes or extended attributes word should be used to update the configuration A 0 inabit position indicates that the current attribute should be retained Table D 3 IOSATM Attribute Mask Bit Definitions Label Bit Position Description IOADDEN 0 Data density IOATDEN 1 Track density IOADSIDE 2 Single double sided IOAFRMT 3 Floppy disk format IOARDISC 4 Disk type IOADDEND 5 Drive data density IOATDEND 6 Drive track density IOARIBS 7 Embedded servo drive seek IOADPCOM 8 Post read pre write precompensation IOASIZE 9 Floppy disk size IOATKZD 13 Track zero data density At the present all IOSEATM bits are undefined and should be set to 0 D 3 Information Used by BO and BH Commands IOSPRM and IOSEPRM A 1 in a particular bit position indicates that the corresponding parameter from the configuration area CFGA should be used to update the device configuration A 0 in a bit position indicates that the parameter value in the current configuration will be retained Table D 4 IOSPRM Parameter Mask Bit Definitions Label Bit Position Description IOSRECB 0 Operating system block size IOSSPTB 4 Sectors per track IOSHDSB 5 Number
96. es B D cache tag RAM Running PASSED MC68030 Onchip Cache Tests Command CA30 CA30 C Data Cache Data RAM Test Command Input 147 Diag CA30 B Description This is essentially a memory test For each entry in the cache several values are cached made stale then read back Failure is declared if the value written and supposedly cached differs from that read later from the same location No distinction is made between cache misses and genuine bad data the only concern here is the latching of the data Response Messages After the command has been issued the following line is printed D cache data RAM test Running gt If there are any cache misses the test fails and the display appears as follows C D cache data RAM test Running gt CACHE MISSED FAILED If there are no cache misses the test passes C D cache data RAM test Running PASSED Diagnostic Firmware Guide CA30 D Data Cache Valid Flags Test Command Input 147 Diag gt CA30 D Description This test verifies that each data cache valid flag is set when its entry is valid and cleared either when the entire cache is flushed or an individual line is cleared This test does check for side effects on other valid flags This test is actually two in line subtests V FLAG CLEAR and V FLAG SET The former checks that each valid flag can
97. es a limited confidence test suite This is the same test suite that the Bug normally executes on power up when not in the system mode Upon successful completion of the limited confidence tests a five second period is allowed to interrupt the autoboot sequence By typing an h you can cause the module to display the service menu permitting the selection of an alternate boot device entry to the debugger etc as described above A System Mode Operation Upon selection of continue System Start Up the module conducts a more extensive confidence test including a brief parity memory test This memory test takes a minimum of nine seconds for a 4MB onboard memory Successful completion of the extended confidence test initiates the autoboot sequence with boot taking place either from the default device refer to Chapter3 for information on entering changing the default boot device or from the selected boot device if an alternate device has been selected If the limited confidence test fails to complete correctly it may display an error message Explanations of these error messages can be found in Appendix B Some error message explanations for the extended confidence test are given in Chapter 6 under the heading for the failed test The sequence of extended confidence tests for the MVME147 is as follows MPU 68030 tests Register tests Instruction tests Address mode tests Exception processing tests Cache
98. escriptions Controller LUN Device LUN Status Word Memory Address Block Number File Number Number of Blocks System Call Routines Logical Unit Number LUN defined by the IOT command of the controller to use Logical Unit Number of device to use This status word reflects the result of the operation It is zero if the command completed without errors Refer to Appendix F for meanings of returned error codes Address of buffer in memory For read operations data is written to memory starting at this location For write operations data is read from memory starting at this location 04 MSW 06 LSW For disk direct access devices this is the block number where the transfer starts For read operations data is read starting at this block For write operations data is written starting at this block 08 MSW 0A LSW For tape sequential access devices this is the file number where the transfer starts This field is used if the IFN bit in the flag byte is cleared refer to the flag byte description 08 MSW 0A LSW This field specifies the number of blocks logical blocks defined by the IOT command to be transferred on a DSKRD read or DSKWR write operation For tape devices the actual number of blocks transferred is returned in this field Also a read with a block count of zero causes the tape to rewind and return to a load point System Calls Flag Byte Address Modifier
99. est MMU G Fully filled Address Translation Cache ATC test MMU H User data space test MMU I User program space test MMU J Indirect page test MMU K Page descriptor used bit test MMU L Page descriptor modify bit test MMU M Segment descriptor used bit test MMU P Invalid page test MMU Q Invalid segment test MMU R Write protect page test MMU S Write protect segment test MMU V Upper limit violation test MMU X Prefetch on invalid page boundary test MMU Y Modify bit and index Memory Management Unit Tests Command MMU Table 2 7 Memory Management Unit Diagnostic Tests Continued Command MMU Z MMU Z 0 MMU Z1 MMU Z 2 Description Sixteen bit bus test User program space test Page descriptor modify bit test Indirect page test MMU 0 Read modify write cycle test Hardware Configuration The following hardware is required to perform these tests a MVME147 module being tested a VME chassis a Video display terminal Diagnostic Firmware Guide MMU A RP Register Test Command Input 147 Diag gt MMU A Description This command tests the RP register by doing a walking bit through it Response Messages After entering this command the display should read as follows A RE Register eats sus ita eels X ENTE aa Running gt If the root pointer fails to latch correc
100. est 6 32 cache clear test 6 32 cache disable test 6 31 cache instruction codes test 6 30 cache tests hardware required 6 23 calling system routines from programs 5 1 CDC WREN III 182MB ESDI hard drive E 5 CHANGEV Parse value assign to vari able 5 50 IN 21 Xmozc Index character strings outputting 5 32 5 33 reading 5 8 5 10 writing 5 33 characters outputting 5 31 reading 5 5 writing 5 33 checksum C 2 generating 5 55 CHK SUM Generate checksum for ad dress range 5 55 CHKBRK Check for break 5 11 Clear Zero Error Counters ZE 6 13 CLUN E 1 code data records C 3 codes disk communication status F 1 command entry 6 6 command entry and directories 6 6 command menu 6 8 command packet 5 12 5 16 5 21 5 24 commands descriptions 6 8 diagnostic monitor 6 1 diagnostic tests 6 2 diagnostic utilities 6 2 comparing strings 5 52 concurrent mode A 5 A 8 confidence tests A 1 Configuration Area CFGA 5 18 Configuration Area Block 1 CFGA D 1 configuring disk 5 16 connect mode modem A 5 Controller Logical Unit Number CLUN E 1 conversation mode A 10 count passes in loop 6 13 customer service A 5 D data cache data caching test 6 24 data RAM test 6 27 RAM tag test 6 25 valid flag test 6 28 data transfer 5 12 date initializing 5 42 setting 5 42 day date and time displaying 5 43 DE command 6 12 default input and output port 5 1 DELAY Timer delay function 5 4
101. ests enter 147Diag gt HE MT 2 8 Diagnostic Monitor Self Test Prefix Command ST Command Input ST command command SST Options Entering ST command causes the monitor to run only the tests included in that command Entering ST command runs all the tests included in an internal self test directory except the command listed Description The monitor provides an automated test mechanism called self test Entering ST without any parameters runs the entire directory which contains most of the MVME147 diagnostics Entering the command SST when in system mode and the Bug has been invoked executes the suite of extended confidence tests that are run at system mode start up This is useful for debugging board failures that may require toggling between the test suite and Bug Upon completion of running the test suite the Bug prompt is displayed ready for other commands For details on extended confidence test operation refer to Appendix A Bug System Mode Operation The command HE ST lists the top level commands of the self test directory in alphabetical order Each test for a particular command is listed in the section pertaining to the command 2 9 Diagnostic Firmware Guide Switch Directories Command SD Command Input SD Description To leave the diagnostic directory and disable the diagnostic tests enter SD At this point only the commands for 147Bug function The purpose of this fea
102. for result SYSCALL INCHR Call INCHR MOVE B SP DO Load character in DO System Calls INSTAT Function Trap Function INSTAT Input serial port status Code 0001 Description INSTAT is used to see if there are characters in the default input port buffer The condition codes are set to indicate the result of the operation Entry Conditions No arguments or stack allocation required Exit Conditions Different from Entry Z ero 1 if the receiver buffer is empty Example LOOP SYSCALL INSTAT Any characters BEQ S EMPTY No branch SUBQ L 2 A7 Yes then SYSCALL INCHR read them MOVE B SP AO in buffer BRA S LOOP Check for more EMPTY 1 6 System Call Routines INLN Function Trap Function INLN Input line routine Code 0002 Description INLN is used to read a line from the default input port The buffer size should be at least 256 bytes Entry Conditions SP gt Address of string buffer longword Exit Conditions Different from Entry SP gt Address of last character in the string 1 longword Example If AO contains the address where the string is to go SUBQ L 4 A7 Allocate space for result PEA A0 Push pointer to destination TRAP 15 may also invoke by SYSCALL DC W 2 macro SYSCALL INLN MOVE L A7 Al Retrieve address of last character 1 Note A line is a string of characters terminated by CR The maximum allowed size is 254 characters
103. gment Test Command Input 147 Diag gt MMU S Description This command tests the segment write protect mechanism in the MMU If the MMU is functioning correctly then attempting a write to a protected segment causes a bus error The test is implemented in the following manner 1 Set the WP bit in the descriptor for the first RAM segment 2 Enable the MMU 3 Attempt to write to a page in the protected segment 4 If a bus error does not occur then the test fails Response Messages After entering this command the display should read as follows S Write Protect Segment Running gt If the MMU does not cause the CPU to take a bus error exception then the test fails S Write Protect Segment Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the MMU does cause the CPU to take a bus error exception then the test passes S Write Protect Segment Running PASSED Diagnostic Firmware Guide MMU V Upper Limit Violation Test Command Input 147 Diag gt MMU V Description This command tests the capability of the MMU to detect when a logical address exceeds the upper limit of a segment This condition is called an upper limit violation and should cause a bus error The test is implemented in the following manner 1 Modify the descriptor for a segment to lower the upper limit to wh
104. gt LAN Description This command performs an initialization and internal loop back test on the local area network components on the module This test is executed at interrupt levels 7 through 1 Response Messages After the command has been issued the following line is printed LAN Lance Functionality Test Running gt If any part of the test fails then the display appears as follows LAN Lance Functionality Test Running gt FAILED error message error message is one of the following Timeout no level x interrupt Unexpected level x interrupt from Lance chip Expected level x Received level x interrupt Unexpected bus error at xxxxxxxx Lance Status Error Memory Error Lance Status Error Missed Packet Error Lance Status Error Collision Error Lance Status Error Babble Error Lance Status Error CSRO Sxxxx Rx Buffer xxxxxxxx Sent xx Received xx CSR1 fail Wrote xxxx Read xxxx CSR2 fail Wrote xx Read xx Here xxxxxxxx xxxx xx and x are hexadecimal numbers If all parts of the test are completed correctly then the test passes LAN Lance Functionality Test Running gt PASSED 2 99 Diagnostic Firmware Guide LANCE Chip AM7990 External Test Command LANX Command Input 147 Diag gt LANX Description ys This command performs an initialization and external loop back test on the local area netw
105. h the enable bit clear Failure is declared if the cache does hit Response Messages After the command has been issued the following line is printed H I cache disable test Running If there are any cache hits during the second pass through the program segment the test fails and the display appears as follows H I cache disable test Running is eo als FAILED 1 CACHE HIT CACHED IN SUPY MODE RERAN IN SUPY MODE If there are no cache hits during the second pass the test passes H I cache disable test Running PASSED Diagnostic Firmware Guide CA30 I Clear Test Command Input 147 Diag gt CA30 I Description A control bit is included in the MC68030 CACR to clear the cache Writing a one to this bit invalidates every entry in the onchip cache To test this function a program segment in RAM is cached and then frozen there to preserve it long enough to activate the cache clear control bit The program segment in RAM is then modified and rerun with the cache enabled If the cache hits the clear is incomplete and failure is declared Response Messages After the command has been issued the following line is printed I I cache clear test Running gt If there are any cache hits during the second pass through the program segment the test fails and the display appears as follows I I cache clear test Running
106. he maximum number of blocks of data to be transferred Used by the open command only The device type for the controller device being accessed is returned in this field The inquiry command returns either a device type of 12 Archive for all sequential access tape devices or a device type of 0F CCS for all direct access disk devices System Call Routines The open command returns the vendor device type code found in device inquiry information if the device is not a disk floppy hard or tape Entry Conditions SP gt Address of command packet longword Exit Conditions Different from Entry SP gt Top of stack Status word of command packet is updated Additional side effects depend on the packet sent to the controller Z ero Set to 1 if no errors Example 1 Delete BPP channel for controller 4 device 0 A1 points to the following packet residing at 10000 147 Bug gt MM 10000 00010000 0400 Controller LUN 4 device LUN 0 00010002 0000 Returned status 00010004 0000 BPP channel address MSW 00010006 0000 BPP channel address LSW 00010008 0000 Not used 0001000A 0000 Not used 0001000C 0001 Delete BPP channel for Bug CLUN 4 DLUN 0 0001000E 0000 Default address modifier 147 Bug PEA L Al Pass pointer to Command packet SYSCALL DSKCTRL Delete BPP channel for controller device BNE ERROR Branch if error ERROR XXXXX XXX Handle error XXXXX XXX S
107. he memory location generating incorrect parity d Disable incorrect parity generation e Copy the contents of the memory location to a second register generating a parity error f Copy the contents of the register to the memory location generating correct parity g Copy the contents of the memory location to a second register no parity error should occur h Proceed to next memory location 2 Disable parity checking Response Messages After the command is entered the display should appear as follows K MT Brief parity test Running gt Memory Tests Command MT If an error occurs the memory location and other related information are displayed K MT Brief parity test Running PU cene FAILED error related information If no errors occur the display appears as follows K MT Brief parity test Running PASSED 2 51 Diagnostic Firmware Guide MT L Extended Parity Test Command Input 147 Diag gt MT L Description This command tests the parity checking ability on byte boundaries from Start Address to Stop Address The extended parity test is implemented in the following manner 1 For each byte memory location a Copy the contents of the memory location to a register without parity enabled b Enable parity checking and incorrect party generation c Copy the contents of the register to the memory location generating incorrect parity d
108. hits due to the different function codes Failure is detected if the MC68030 executes the cached instructions After the program segment has been cached in supervisor mode and rerun in user mode the process is repeated caching in user mode and rerunning in supervisor mode Again the cache should miss during the second pass through the program segment Response Messages After the command has been issued the following line is printed G Unlike instr fn codes Running gt If there are any cache hits during the second pass through the program segment the test fails and the display appears as follows G Unlike instr fn codes Running RENS FAILED 5 CACHE HITS CACHED IN SUPY MODE RERAN IN USER MODE If there are no cache hits during the second pass the test passes G Unlike instr fn codes Running PASSED MC68030 Onchip Cache Tests Command CA30 CA30 H Disable Test Command Input 147 Diag CA30 H Description In the MC68030 Cache Control Register CACR a control bit is provided to enable the cache When this bit is clear the cache should never hit regardless of whether the address and function codes match a tag To test this mechanism a program segment is cached from RAM The cache is frozen to preserve its contents then the enable bit is cleared The program segment in RAM is then changed and rerun There should be no cache hits wit
109. hould be set to 0 System Calls P_DSS P_DBS P_DST P_DSH Entry Conditions SP gt This is a 1 byte encoded field whereas the IOSPSM field is a 2 byte unencoded field containing the actual number of bytes per sector The P_DSS field is encoded as follows 00 128 bytes 01 256 bytes 02 512 bytes 03 1024 bytes 04 FF Reserved encodings This is a 1 byte encoded field whereas the IOSREC field is a 2 byte unencoded field containing the actual number of bytes per record block The P_DBS field is encoded as follows 00 128 bytes 01 256 bytes 02 512 bytes 03 1024 bytes 04 FF Reserved encodings This is a 2 byte field whereas the IOSSPT field is one byte This is a 1 byte field whereas the IOSSHD field is two bytes This field is equivalent to the lower byte of IOSSHD Address of command packet longword Exit Conditions Different from Entry SP gt Example Top of stack Status word of command packet is updated The device configuration is changed Z ero Set to 1 if no errors If AO points to packet formatted as specified above ERROR PEA L A0 Load command packet SYSCALL DSKCFIG Reconfigure device BNE ERROR Branch if error XXXXX XXX Handle error XXXXX XXX 1 20 System Call Routines DSKFMT Function Trap Function DSKFMT Disk format function Code 0014 Description This function allows you to send a format command to the specified devic
110. in the list matches the first word of each page then the test passes G Fully Pac LOG ATO Suave acte ee Running PASSED 2 73 Diagnostic Firmware Guide MMU H User Data Space Test Command Input 147 Diag gt MMU H Description This command tests the function code signal lines connecting into the MMU by accessing user data space This causes the MMU to read the function code and do a table walk as a part of its translation The test is implemented in the following manner 1 Write a pattern out to an area that is mapped to user_data space for diagnostic purposes 2 Enable the MMU 3 Read the area where the pattern was written to using the function code for user_data space The test fails if the pattern does not match that written out Response Messages After entering this command the display should read as follows H User Data SDdCO i v Yen vs Running gt If the pattern written out does not match that read the test fails Hs User Data Space ovde eye ves Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the pattern written out matches the one read the test passes H User Data Space eve siensia da ee Running PASSED 2 74 Memory Management Unit Tests Command MMU MMU I User Program Space Test Command Input 147 Diag gt MMU I Description This command tests the function code signal l
111. ines connecting into the MMU by accessing user program space This causes the MMU to read the function code and do a table walk as a part of its translation The test is implemented in the following manner 1 Write a pattern out to an area that is mapped to user program space for diagnostic purposes 2 Enable the MMU 3 Read the area where the pattern was written to using the function code for user program space The test fails if the pattern does not match that written out Response Messages After entering this command the display should read as follows I User Prog Spaen vamos eve ten waver eD Running If the pattern written out does not match that read the test fails I User Prog Space wd e waters s Running Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the pattern written out matches the one read the test passes I User Prog Space aeiee e o aee ete eie rods Running PASSED 2 75 Diagnostic Firmware Guide MMU J Indirect Page Test Command Input 147 Diag gt MMU J Description This command tests the ability of the MMU to handle an indirect descriptor The test is implemented in the following manner 1 Modify the descriptor for the first RAM page to point to the descriptor for the next RAM page 2 Write a known value into the first location of the second RAM page and the complement of that value into the fir
112. ing Error message in MMU A or B tests XXXXXXXX and YYYYYYYY are hexadecimal numbers Error message in non verbose NV mode MPU Address Mode Test error message name is the particular addressing mode s whose test s failed MPU Instruction Test error message name is the particular instruction s whose test s failed MPU Register Test error message name is the particular register s whose test s failed Error message display format for Memory Tests E J where the Ns are numbers Bus Error Test error message Error messages in MMU 0 test Insufficient Memory PASSED Memory Test I Program Test error message when the range of memory selected is less than 388 bytes and the program segment cannot be copied into RAM No Bus Error when writing to reading from BAD address space Bus Error Test error message No FPC detected FPC Test error message when there is no FPC on the module B 3 Debugging Package Messages Table B 2 Diagnostic Error Messages Continued Message MMU does not respond Non volatile RAM access error PASSED RAM test failed ROM test failed Test failed FPC routine at XXXXXXXX Test Failed Vector 4 Xxx Time read was XX XX XX should be 00 00 01 Unexpected Bus Error Unexpected exception taken to Vector f XXX Unexpected interrupt ROM test failed Test failed FPC routine at XXXXXXXX Test Failed Vector 4 Xxx
113. ion a NOP 5 Clear the E bit in the TC register Response Messages After entering this command the display should read as follows C Super PEOg Space ial veg ueer very Running gt If a bus error occurs then the test fails e Super Prog Space sas die fer y Re Running gt bus error CPU registers dumped to screen here FAILED If the table walk does not cause a bus error then the test passes Super Prog Space Running PASSED Memory Management Unit Tests Command MMU MMU D Supervisor Data Space Test Command Input 147 Diag gt MMU D Description This command enables the MMU and lets it do a table walk twice in supervisor program space then once in supervisor data space The two walks in supervisor program space are necessary to fetch the instruction that accesses the supervisor data space and prefetch the next one The test is implemented in the following manner 1 Put the function code in the MC68030 DFC register 2 Load the address of function code table into the root pointer register 3 Set the E bit in the TC register 4 Let the MMU do a table walk for the next instruction which causes the access to supervisor data space via a read TST B Prefetching causes access to the next location in supervisor program space 5 Clear the E bit in the TC register Response Messages After entering this command the display should read as follows D Super_Data
114. ive and tell them the IOPB and UIB information that was available at the time the error occurred FF Command not implemented Table F 7 MVME327A Controller Dependent Status Codes Code Meaning 00 Correct execution without error 01 0F Command Parameter Errors 01 Bad descriptor 02 Bad command 03 Unimplemented command 04 Bad drive 05 Bad logical address 06 Bad scatter gather table F 13 Disk Communication Status Codes Table F 7 MVME327A Controller Dependent Status Codes Continued Code Meaning 07 Unimplemented device type 08 Unit not initialized 10 1F Media Errors 10 No ID found on track 11 Seek error 12 Relocated track error 13 Record not found bad ID 14 Data sync fault 15 Nonrecoverable ECC error 16 Record not found 20 2F Drive Errors 20 Drive fault 21 Write protected media 22 Motor not on 23 Door open 24 Drive not ready 30 3F VME DMA Errors 30 VMEbus error 31 Bad address alignment 32 Bus time out 33 Invalid DMA transfer count 40 4F Disk Format Errors 40 Not enough alternate tracks 41 Format failed 42 Verify error 43 Bad format parameters F 14 Table F 7 MVME327A Controller Dependent Status Codes Continued Code 44 80 81 82 83 84 85 86 87 88 89 8A 8B 8C 8D 8E 8F 90 91 92 93 94 95 96 Meaning Cannot fix bad spot 50 7F Reserved not used 80 FF
115. ive result PEA L A1 Push address of one string PEA L A2 Push address of the other string SYSCALL STRCMP Compare the strings MOVE L SP DO Pop Boolean flag into data register TST B DO Check Boolean flag BNE ARE SAME Branch if strings are identical System Call Routines MULU32 Function Trap Function MULUS32 Unsigned 32 bit x 32 bit multiply Code 0069 Description Two 32 bit unsigned integers are multiplied and the product is returned on the stack as a 32 bit unsigned integer No overflow checking is performed Entry Conditions SP gt 32 bit multiplier 32 bit multiplicand 32 bit space for result Exit Conditions Different from Entry SP gt 32 bit product result from multiplication Example Multiply D0 by D1 load result into D2 SUBQ L 4 SP Allocate space for result OVE L D0 SP Push multiplicand OVE L D1 SP Push multiplier SYSCALL MULU32 Multiply DO by D1 OVE L SP D2 Get product System Calls DIVU32 Function Trap Function DIVUS32 Unsigned 32 bit x 32 bit divide Code 006A Description Unsigned division is performed on two 32 bit integers and the quotient is returned on the stack as a 32 bit unsigned integer The case of division by zero is handled by returning the maximum unsigned value FFFFFFFF Entry Conditions SP gt 32 bit divisor value to divide by 32 bit dividend value to divide 32 bit space for
116. k to BOT Tape retension is recommended by cartridge suppliers before writing or reading data when a cartridge has been subjected to a change in environment or a physical shock has been stored for a prolonged period of time or at extreme temperature or has been previously used in a start stop mode System Call Routines If 1 it selects an Erase Tape operation This completely clears the tape of previous data and at the same time retensions the tape Address Modifier This field contains the VMEbus address modifier to use while transferring data If 0 a default value of 0D is selected by the driver If non 0 the specified value is used Entry Conditions SP gt Address of command packet longword Exit Conditions Different from Entry SP gt Top of stack Status word of command packet is updated Z ero Set to 1 if no errors Example If AO points to packet formatted as specified above PEA L A0 Load command packet SYSCALL DSKFMT Reconfigure device BNE ERROR Branch if error ERROR XXXXX XXX Handle error XXXXX XXX System Calls DSKCTRL Function Trap Function DSKCTRL Disk control function Code 0015 Description This function is used to implement any special device control functions that cannot be accommodated easily with any of the other disk functions Atthe present the only defined functions are SEND packet 0000 delete BPP channel 0001 and SC
117. lation control register contents 22222222 Function code table entry status longword 33333333 Function code table entry address of segment 0 table 44444444 Segment 0 table entry status longword 55555555 Segment 0 table entry address of segment 1 table 66666666 Segment 1 table entry status longword 77777777 Segment 1 table entry address of page descriptor 88888888 Page descriptor longword Can be indirect 99999999 Page descriptor Shown only if previous one is indirect For further information as to the meaning of these values refer to the MC68030 Enhanced 32 bit Microprocessor User s Manual Diagnostic Firmware Guide Real Time Clock Test Command RTC Command Input 147 Diag RTC Description This command tests the MK48T02 RTC The battery backed up RAM is tested the oscillator is stopped and started and the output is checked for roll over Response Messages J Caution After the command has been issued the following line is printed RTC Real Time Clock Test Running gt If the non destructive test of the RAM fails the following message appears RTC Real Time Clock Test Running PEN FAILED RAM failed at xxxxxxxx Wrote xx Read xx Whether the tests pass or fail time displayed after test may not be correct If the oscillator does not stop on command this message is displayed RTC Real Time Clock Test Running Dues FAILED Ca
118. led ATC Test 6 73 J H User Data Space Test 6 74 J I User Program Space Test 6 75 JJ Indirect Page Test 6 76 J K Page Descriptor Used Bit Test 6 77 J L Page Descriptor Modify Bit Test 6 78 J M Segment Descriptor Used Bit Test 6 79 U P Invalid Page Test 6 80 U Q Invalid Segment Test 6 81 U R Write Protect Page Test 6 82 U S Write Protect Segment Test 6 83 MU tests hardware required 6 65 table walk display format 6 93 MU V Upper Limit Violation Test 6 84 MU X Prefetch on Invalid Page Boundary Test 6 85 MU Y Modify Bit and Index Test 6 87 MU Z Sixteen Bit Bus Tests 6 88 MU Z0 User Program Space Test 6 88 MU Z 1 Page Descriptor Modify Bit Test 6 89 MU Z 2 Indirect Page Test 6 90 modem connect mode manual A 10 protocol A 5 type A 5 Modify bit in page descriptor test 6 78 6 87 6 89 e s E S ec Z 3 c ess Ri5 E SSS55585 amp eeeeece e 3 e Sao Z ESSE z lt e e D e Rss Z monitor commands prefixes 6 8 diagnostic 6 6 utilities 6 14 Motorola format floppy drive E 3 MPU A Register Test 6 19 MPU B Instruction Test 6 20 MPU C Address Mode Test 6 21 MPU D Exception Processing Test 6 22 MPU tests hardware required 6 18 MT A Set Function Code 6 35 MT B Set Start Address 6 36 MT C Set Stop Address 6 38 MT D Set Bus Data Width 6 40 MT E March Address Test 6 41 MT F Walk a Bit Test 6 42 MT FA Memory Board Fast Address Test 6 59 MT FP
119. longword Space for result two longwords Exit Conditions Different from Entry SP gt Decimal number two most significant DIGITS longword eight least significant DIGITS longword Example SUBQ L 8 A7 Allocate space for result MOVE L DO SP Load hexadecimal number SYSCALL BINDEC Call BINDEC MOVE L SP D1 D2 Load result 1 49 System Calls CHANGEV Function Trap Function CHANGEV Parse value assign to variable Code 0067 Description Attempt to parse value in buffer you specified If the buffer is empty prompt you for new value otherwise update integer offset into buffer to skip value Display new value and assign to variable unless your input is an empty string Entry Conditions SP gt Address of 32 bit offset into your buffer Address of your buffer pointer count format string Address of 32 bit integer variable to change Address of string to use in prompting and displaying value Exit Conditions Different from Entry SP gt Top of stack Example PROMPT DC B 14 COUNT 10 8 GETCOUNT PEA L PROMPT PC Point to prompt string PEA L COUNT Point to variable to change PEA L BUFFER Point to buffer PEA L POINT Point to offset into buffer SYSCALL CHANGEV Make the system call RTS COUNT changed return If the above code was called with BUFFER containing 1 3 in pointer count format and POINT containing 2 longword COUNT would
120. mand 6 10 SE prefix 6 11 segment descriptor Used bit test 6 79 segment write protect test 6 83 selecting I O port 5 45 Self Test Prefix Command ST 6 9 sending a break 5 39 serial ports status check 5 6 service organization contacting A 4 set up procedure 6 3 sixteen bit bus tests 6 88 SMDHALF E 6 SSNDBRK Send break 5 39 S records content C 1 downloading C 4 example C 4 format C 1 types C 2 ST command 6 9 start up 6 6 start up menu A 1 A 4 status codes controller independent F 1 MVMES31 controller F 7 MVME320 F 7 MVME321 F 8 MVME323 F 10 MVMES327A F 13 SCSI packet F 2 trap routines F 1 status word TRAP 15 routines F 1 Stop on Error Mode Prefix SE 6 11 SSTRCMP Compare two strings point er count 5 52 streaming tape controller E 2 streaming tape drive E 6 strings comparing 5 52 formats for I O 5 2 outputting 5 32 5 37 reading 5 8 5 10 writing 5 33 supervisor program space test 6 68 6 69 suppressing messages 6 12 Switch Directories SD 6 10 SYSCALL macro 5 2 system calls 5 1 invoking 5 1 routines 5 3 system ID number A 6 system mode operation A 1 start up 6 9 system operational mode flow diagram A 3 system start up menu A 4 T Table Walk Display Format 6 93 tape controllers E 2 TC register test 6 67 terminal mode A 5 terminal mode operation A 11 terminal set up 6 4 IN 27 xXmoz lt moz Index terminating connection A 11 termination records C 3 Test And Set
121. me although the prompt line is not displayed in normal operation Conversation mode can be exited by typing a CTRL A in which case concurrent mode is terminated as well and the modem is hung up To terminate conversation mode but remain in concurrent mode type the following command CR CR The system then redisplays the selection menu for further operator action A A System Mode Operation When the menu is displayed and concurrent mode is in effect there is another path available to terminate the concurrent connection If you select menu entry 4 Initiate Service Call while a call is underway the system asks Do you wish to disconnect the remote link Y N If you answer N the system gives the option of returning to or entering the conversation mode Do you wish the conversation mode Y N A Y response results in return to conversation mode while an N redisplays the menu The system responds with the following series of messages if the disconnect option is chosen Wait for concurrent mode to terminat Hanging up the phone Concurrent mode terminated The last message is followed by the display of the menu without the seventh selection available Normal system operation is now possible Manual Mode Connection As described briefly earlier a manual modem connect mode is available to allow use of modems that do not adhere to either of the standard protocols supported but have a defined A
122. ment bears the same number as the manual but has a suffix such as D2A1 or UM2A1 the first supplement to the manual 2 Manuals shown with a superscript can be ordered as a set with the part number LK 147SET The following publications are available from the sources indicated Z8530A Serial Communications Controller data sheet Zilog Inc Corporate Communications Building A 1315 Dell Ave Campbell California 95008 SCSI Small Computer System Interface draft X3T9 2 82 2 Revision 14 Computer and Business Equipment Manufacturers Association 311 First Street N W Suite 500 Washington D C 20001 MK48T02 2K x 8 ZEROPOWER TIMEKEEPER RAM data sheet Thompson Components Mostek Corporation 1310 Electronics Drive Carrollton Texas 75006 WD33C93 SCSI Bus Interface Controller WESTERN DIGITAL Corporation 2445 McCabe Way Irvine California 92714 Local Area Network Controller Am7990 LANCE Technical Manual order number 06363A Advanced Micro Devices Inc 901 Thompson Place P O Box 3453 Sunnyvale CA 94088 Safety Summary Safety Depends On You The following general safety precautions must be observed during all phases of operation service and repair of this equipment Failure to comply with these precautions or with specific warnings elsewhere in this manual violates safety standards of design manufacture and intended use of the equipment Motorola Inc assumes no liability for the customer s failu
123. mnuinunnnvnunnnnmuncanncnnice 6 71 MMU C Fully Filled ATC Tee osc asain a HR c DER REPRE p ions 6 73 MNU H User Data Space TESE aav vata tero REG DAMM DR GERE 6 74 MMUT User Pros tam Space TIsbi o onere ir rea eor t ce c bx 6 75 MVU T ndiwect Pase DAP oor ivi Gd D p ln Hoo Dive deed 6 76 MMU K Page Descriptor Used Bit Test esse ieri hebr 6 77 MMU L Page Descriptor Modify Bit Tes sou eiat epa Meta oda 6 78 MMU M Segment Descriptor Used Bit Test eer rtt ern 6 79 MMU P Inyala Tage Mr emp 6 80 MMU O Invalid Segment Test ossis sereni dcn a por E RE dunt 6 81 MMU R rite Protect Pape Test i cisucciarranstine E MR I GERE OSEE MR podEd 6 82 MMU S Write Protect Segment Test jy eoeae sr mme rne 6 83 MMU Y Vipper Linde Violation Tesi esenea 6 84 MMU X Prefetch on Invalid Page Boundary Test 6 85 MMU Y Modity Bit aned indor TUS ca cepit xb M pb Ea b Me EH dU 6 87 MMU Z 5paeen Bit Bus Tests occ tere rn rtc DR rtc re vides 6 88 BAIN Z 0 Uzer Program Space Dessus dde ere HR ia 6 88 MMU Z 1 Page Descriptor Modify Bit Test eco ee 6 89 MMU Z A eet Fage eae ica ode EA RE NOU pH e aps 6 90 MMU 0 Read Modify Write Cycle Test 1er rtr tirer riot 6 91 dable yyalk Display Porn Gi bd piden pd Puto p nas ae der dn derat 6 93 RealTime Clock Test Command TC aues coeunt Db pe hb b np 6 94 Bus Error leat omiman BERR supiriori debe Oa vod bat PU PLU UAE 6 96 Floating Point Coprocessor MC68882 Test Command
124. n t stop RTC oscillator If the oscillator does not restart on command this message is displayed RTC Real Time Clock Test Running T irs FAILED Can t start RTC oscillator The test next checks time day of week and date in the roll over If any digit is wrong in roll over then the test fails and the appropriate one of the following error message appears as Real Time Clock Test Command RTC Time read was xx xx xx should be 00 00 01 Day of week not 1 Date read was xx xx xx should be 01 01 00 If a bus error occurs the error message is Unexpected Bus Error If all parts of the test are completed correctly then the test passes RIC Real Time Clock Test Running PASSED 2 95 Diagnostic Firmware Guide Bus Error Test Command BERR Command Input 147 Diag gt BERR Description This command tests for local bus time out and global bus time out bus error conditions including the following a No bus error by reading from ROM a Local bus time out by reading from an undefined FC location a Local bus time out by writing to an undefined FC location Response Messages After the command has been issued the following line is printed BERR BUS Error Teste ever s Running If a bus error occurs in the first part of the test then the test fails and the display appears as follows BERE Bus REPSOL Testis editan RR Running Pues EALLED
125. nd pointer to field of suspected error when using DI option in MM command Successful VE command Table B 2 Diagnostic Error Messages Message Addr XXXXXXXX Expect YYYYYYYY Read ZZZZZZZZ Meaning Error message in all MMU tests except A B and 0 XXXXXXXX YYYYYYYY and ZZZZZZZZ are hexadecimal numbers Battery low data may be corrupted Power up Test error message N CACHE HITS MISSES CACHED IN XXXX MODE RERAN IN XXXX MODE FAILED MC68030 Cache Tests error message where N is a number and xxxx is SUPY or USER CPU Addressing Modes test failed Power p Test error message CPU Instruction test failed Power up Test error message CPU Register test failed Power up Test error message Date read was xx xx xx should be 01 01 00 RIC Test error message Day of week not 1 RIC Test error message Exception Processing test failed Power up Test error message Table B 2 Diagnostic Error Messages Continued Message Expect XXXXXXXX Read YYYYYYYY FAILED Failed name addressing check Failedname instruction check Failedname register check FC TEST ADDR 10987654321098765 N NNNNNNNN 432109876543210 EXPECTED READ X X NNNNNNNN NNNNNNNN Got Bus Error when reading from ROM Hit page Missed page Modified page Mean
126. necessary Diagnostic Firmware Guide Non Verbose Mode Prefix NV Command Input NV command Description Upon detecting an error the tests display a substantial amount of data To avoid the necessity of watching the scrolling display a mode is provided that suppresses all messages except PASSED or FAILED This mode is called non verbose and is invoked prior to calling a command by entering NV Example 147Diag gt NV ST MT This causes the monitor to run the MT self test but show only the names of the subtests and the results pass fail Display Error Counters Command DE Command Input DE command Description Each test or command in the diagnostic monitor has an individual error counter As errors are encountered in a particular test that error counter is incremented If you were to run a self test or just a series of tests the results could be broken down as to which tests passed by examining the error counters DE displays the results of a particular test if the name of that test follows DE Only nonzero values are displayed Diagnostic Monitor Clear Zero Error Counters Command ZE Command Input ZE command test name Description The error counters originally come up with the value of zero but it is occasionally desirable to reset them to zero at a later time This command resets all of the error counters to zero The error counters can be individually reset by entering the specific te
127. nformation are displayed E MT March Addr Test Running Pops FAILED error related information If no errors are encountered the display appears as follows E MT March Addr Test Running PASSED 2 41 Diagnostic Firmware Guide MT F Walk a Bit Test Command Input 147 Diag gt MT F Description This command performs a walking bit test from start address to stop address The walking bit test has been implemented in the following manner For each memory location do the following 1 Write out a 32 bit value with only the lower bit set 2 Read it back and verify that the value written equals the one read Report any errors 3 Shift the 32 bit value to move the bit up one position 4 Repeat the procedure write read and verify for all 32 bit positions Response Messages After the command is entered the display should appear as follows F MT Walk a bit Test Running gt If an error is encountered the memory location and other related information are displayed F MT Walk a bit Test Running Duet FAILED error related information If no errors are encountered the display appears as follows F MT Walk a bit Test Running PASSED 2 42 Memory Tests Command MT MT G Refresh Test Command Input 147 Diag gt MT G Description This command performs a refresh test from St
128. nsity 0 Single density FM encoding 1 Double density MFM encoding Bit 6 Drive track density 0 Single density 1 Double density Bit 7 Embedded servo drive 0 Do not seek on head switch 1 Seek on head switch Bit 8 Post read pre write 0 Pre write precompensation 1 Post read Bit 9 Data rate 0 250 kHz data rate floppy disk size 1 500 kHz data rate Bit 13 Track zero density 0 Single density FM encoding 1 Same as remaining tracks Unused bits All unused bits must be set to 0 At the present all IOSEATW bits are undefined and should be set to 0 D 6 IOSATW and IOSEATW Table D 7 Parameter Field Definitions Parameter Record Block size Description Number of bytes per record block Must be an integer multiple of the physical sector size Sectors track Number of sectors per track Number of heads Number of recording surfaces for the specified device Number of cylinders Number of cylinders on the media Interleave factor This field specifies how the sectors are formatted on a track Normally consecutive sectors in a track are numbered sequentially in increments of 1 interleave factor of 1 The interleave factor controls the physical separation of logically sequential sectors This physical separation gives the host time to prepare to read the next logical sector without requiring the loss of an entire disk revolution Physical sector
129. nt copied into the RAM to Stop Address 8 is filled with NOP instructions Attempting to run this test without sufficient memory around 400 bytes for at least one complete program segment to be copied causes an error message to be printed out INSUFFICIENT MEMORY 2 The last location Stop Address receives an RTS instruction 3 Finally the test performs a JSR to location Start Address 4 The program itself performs a wide variety of operations with the results frequently checked and a count of the errors maintained Errant locations are reported in the same fashion as any memory test failure refer to the Memory Error Display Format section in this chapter Response Messages After the command is entered the display should appear as follows d MI Pr gram Testi eee Running gt If you have not allowed enough memory for at least one program segment to be copied into the target RAM the following error message is printed To avoid this make sure that the Stop Address is at least 388 bytes 00000184 greater than the Start Address 2 47 Diagnostic Firmware Guide E T Program TeS science ei eR Running gt Insufficient Memory PASSED If the program in RAM detects any errors then the location of the error and other information is displayed I Mi Program TES s 0 0 6 nunaa Running P SLM FAILED error related information If no errors occur the display appears as f
130. nter CSO phone number Enter one of the dialing mode selections shown above followed by the telephone number including area code if required without any separators except for a or to allow search for a dial tone depending on which modem protocol was selected such as when dialing out of a location having an internal switchboard The dialing mode selection can also be changed within the number being dialed if necessary if an internal dialing system takes a different dialing mode than the external world switched network When connection has been made the system reports Service Call in progress Connected The remote system can now send one of three unique commands to the local system to request specific actions via the local firmware These commands are dump memory message and request for concurrent console They are described as follows dppl Dump memory command The command to dump the private RAM used by the MVME147 ROM to log errors is dpp1 The command must be received as shown in lowercase with no carriage return Also no editing is allowed and each byte must be received within two seconds of the last This command is 4 bytes long A A System Mode Operation mess rcc The memory dumped is the first block of memory past the exception vectors in the address range 800 to 1FFF The memory is formatted into S records as defined by Motorola The S record is sent and an ACK characte
131. o be transferred If bit 15 of status 1 then bits 12 14 contain the phase code 11 Received a BERR while in DMA mode from a device 2 that did not respond fast enough The controller must be capable of moving data at least 10Kb per second in DMA mode 12 Selection time out TARGET does not respond 2 17 Command has been received in TARGET role 2 18 Script complete in TARGET role 2 19 Script complete and new command loaded target 2 role 1A Target module called Target role not supported 2 1B Target module rejected an initiator message and returned with this status to a particular LUN service routine F 3 Disk Communication Status Codes Code 1C Meaning Target module sent a check status with an illegal request sense block to some initiator because the particular LUN that the initiator wanted was not enabled Table F 2 MVME147 SCSI Packet Status Codes Continued Notes 2 1D Target module sent a busy status to the calling initiator because the particular LUN that the initiator wanted was already busy servicing a command 1E Reserved and unused 1F Reserved 23 Medium error Indicates that the target detected a nonrecoverable error condition that was probably caused by a flaw in the medium or an error in recording data 24 Hardware error indicates that the target detected a nonrecoverable hardware failure for example controller failure de
132. ocal bus to all used or predictable bits in the following registers System controller configuration register Master configuration register Timer configuration register Slave address modifier register Master address modifier register Interrupt handler mask register Utility interrupt mask register Utility interrupt vector register VMEbus status ID register GCSR base address configuration register Board identification register General purpose control status registers 0 4 Response Messages After the command has been issued the following line is printed VMEGA VME Gate Array Test Running If any part of the test fails then the display appears as follows VMEGA VME Gate Array Test Running gt FAILED error message error message is one of the following 2 104 VME Gate Array Test Command VMEGA Unable to obtain VMEbus mastership ROBIN bit in SCCR is high should be low ROBIN bit in SCCR is low should be high MCR error data written xx read xx TCR error data written xx read Sxx SAMR error data written xx read xx MAMR error data written xx read xx IHMR error data written xx read xx UIMR error data written xx read xx UIVR error data written xx read xx SIDR error data written xx read xx GCSRBAR error data written xx read xx BIDR error data written xx read xx GPRO error data written xx
133. ollows I MI Program Test ite vex ey s Running PASSED 2 48 Memory Tests Command MT MT J TAS Test Command Input 147 Diag gt MT J Description This command performs a Test And Set TAS test from Start Address to Stop Address The test is implemented as follows For each memory location 1 Clear the memory location to 0 2 Test And Set the location should set upper bit only 3 Verify that the location now contains 80 4 Proceed to next location next byte Response Messages After the command is entered the display should appear as follows J MI TAS Test ods Running gt If an error occurs the memory location and other related information are displayed J ME TAS TESE isi ie s eea 9 1 ou s Running QUII avs FAILED error related information If no errors occur the display appears as follows J MT TAS TOS ce snevartene teresa a ia Running PASSED 2 49 Diagnostic Firmware Guide MT K Brief Parity Test Command Input 147 Diag gt MT K Description This command tests the parity checking ability on longwords only from Start Address to Stop Address The brief parity test is implemented in the following manner 1 For each longword memory location a Copy the contents of the memory location to a register without parity enabled b Enable parity checking and incorrect party generation c Copy the contents of the register to t
134. ommand X and Y are hexadecimal numbers STRING is an ASCII string Message that may be output during NOPA command String not found in BS command Interlock prompt before configuring port in PF command Message output during BS or HE command when more than 24 lines of output are available BREAK key on console has stopped operation Message output when PS command halts the RTC oscillator B 6 Table B 3 Other Messages Continued ROM boot disabled WARM Start Weekday xx xx xx xx xx xx Messages Meaning COLD Start Vectors have been initialized Data xx xx is truncated data cut to fit data field size during BF or BV commands Message output when NORB command disables ROMboot function Vectors have not been initialized Day date and 24 hour time presentation during SET and TIME commands B 7 Debugging Package Messages B 8 S Record Output Format C Introduction The S record format for output modules was devised for the purpose of encoding programs or data files in a printable format for transportation between computer systems The transportation process can thus be visually monitored and the S records can be more easily edited S Record Content When you view S records they are essentially character strings made of several fields which identity the record type record length memory address code data and checksum Each byte of binary data is encoded as
135. oppy drive MVME323 FFFFA000 4 DLUN 0 CDC WREN III 182MB ESDI hard drive DLUN 1 CDC WREN III 182MB ESDI hard drive DLUN 2 CDC WREN III 182MB ESDI hard drive DLUN 3 CDC WREN III 182MB ESDI hard drive WINAO WINAO WINAO WINAO FLP5 FLP5 FLP5 FLP5 WINAO WINAO WINAO WINAO FLP5 FLP5 FLP5 FLPS WREN WREN WREN WREN E 5 Disk Tape Controller Data Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices Controller Controller Type Controller Address Number of Devices Devices MVME323 FFFFA200 4 DLUN 0 CDC WREN III 182MB ESDI hard drive DLUN 1 CDC WREN III 182MB ESDI hard drive DLUN 2 CDC WREN III 182MB ESDI hard drive DLUN 3 CDC WREN III 182MB ESDI hard drive MVME350 FFFF5000 1 DLUN 0 QIC 02 streaming tape drive MVME350 FFFF5100 1 DLUN 0 QIC 02 streaming tape drive MVME360 FFFFOCOO 4 see Note 4 DLUN 0 2333K Fuji SMD drive DLUN 1 null device SMD half DLUN 2 2322K Fuji SMD drive DLUN 3 null device SMD half WREN WREN WREN WREN FJI20 SMDHALF FJI10 SMDHALF E 6 Controller Controller Type MVME360 Controller Address FFFFOEO00 Number of Devices 4 see Note 4 Devices Notes 1 Disk Tape Controller Default Configurations DLUN 0
136. or the missing values Description The WL size command invokes a streamlined write of specified size to the specified memory location This command is intended as a technician aid for debug once specific fault areas are identified The write loop is very short in execution so that measuring devices such as oscilloscopes may be utilized in tracking failures Pressing the BREAK key does not stop the command but pressing the ABORT or RESET switch does Example To write 00 out to address 00010000 enter 147Diag gt WL B 00010000 00 Diagnostic Firmware Guide Read Loop Command RL size Command Input RL B WIL Options B Byte Ww Word L Longword Parameters address Target address The command requires one parameter target address The address is a hexadecimal value Omission of the parameter causes prompting for the missing value Description The RL size command invokes a streamlined read of specified size from the specified memory location This command is intended as a technician aid for debug once specific fault areas are identified The read loop is very short in execution so that measuring devices such as oscilloscopes may be utilized in tracking failures Pressing the BREAK key does not stop the command but pressing the ABORT switch or RESET switch does Example To read from address 00010000 enter 147Diag gt RL B 00010000 Utilities Write Read Loop Command WR size Command Input WR BIWIL
137. ork components on the module The external test is provided for the purpose of testing the connection of the Ethernet interface cable to a network cable This test is executed at a level 1 interrupt only This test depends upon the transceiver which must be able to supply a Signal Quality Enable SQE heartbeat signal otherwise Caution the test may result in collision error and failure This test may cause collisions on an active network Response Messages After the command has been issued the following line is printed LANX Lance External Loopback Test Running If no cable is connected or a bad connection exists the following is displayed LANX Lance External Loopback Test Running gt FAILED Lance Status Error Collision Error If all parts of the test are completed correctly then the test passes LANX Lance External Loopback Test Running PASSED 2 100 Z8530 Functionality Test Command SCC Z8530 Functionality Test Command SCC Command Input 147 Diag gt SCC Description This command initializes the Z8530 chips for Tx and Rx interrupts and local loopback mode Using interrupt handlers it transmits receives and verifies data until all transmitted data is verified or a time out occurs Response Messages After the command has been issued the following line is printed SCC 28530 Functionality Test Running gt If any part of th
138. ory location to a second Data Register Verify that the registers contain the same value Bump memory location pointer 4 longwords 16 locations Complement the first Data Register restore original data Move the contents of the memory location to a second Data Register Verify that the registers contain the same value Bump memory location pointer 2 longwords 8 locations 9 Disable Instruction Cache Response Messages After the command is entered the display should appear as follows FV EM Bd Fast VMEBUS W R Test Running gt If an error is encountered the memory location and other related information are displayed EV EM Bd Fast VMEBUS W R Test Running gt FAILED error related information If no errors are encountered the display appears as follows FV EM Bd Fast VMEBUS W R Test Running gt PASSED Memory Tests Command MT Memory Error Display Format This section is included to describe the format used to display errors during memory tests MT E through MT FV The following is an example of the display format FC TEST ADDR 10987654321098765432109876543210 EXPECTED READ P E 5 00010000 XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX 00000000 FFFFFFFF 500010004 m mtm ttd x 00000100 00000000 5 00010008 x x FFFFEFFF FFFFFFEF B E 5 0001000C XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXxxx
139. our bytes of parameter positioned in stack as follows SP gt Address of string longword Exit Conditions Different from Entry SP gt Top of stack Parameter stack will have been deallocated Example The following section of code ESSAGEl DC B 9 MOTOROLA ESSAGE2 DC B 9 QUALITY PEA L ESSAGE1 PC Push address of string SYSCALL WRITE Use TRAP 15 macro PEA L ESSAGE2 PC Push address of other string SYSCALL WRITE Invoke function again would print out the following message System Calls MOTOROLA QUALITY Using function WRITELN however instead of function WRITE would output the following message MOTOROLA QUALITY Note The string must be formatted such that the first byte the byte pointed to by the passed address contains the count in bytes of the string There is no special character at the end of the string as a delimiter System Call Routines PCRLF Function Trap Function PCRLF Print CR LF sequence Code 0026 Description PCRLF sends a CR LF sequence to the default output port Entry Conditions No arguments or stack allocations required Exit Conditions Different from Entry None Example SYSCALL PCRLF Output CR LF System Calls ERASLN Function Trap Function ERASLN Erase Line Code 0027 Description ERASLN is used to erase the line at the present cursor position If the terminal type fl
140. output ports respectively This is a permanent change that is it remains in effect until a new REDIR command is issued or a reset is issued Entry Conditions SP gt Port number word Exit Conditions Different from Entry SP gt Top of stack SIO_IN Loaded with a new mask if REDIR_I called SIO_OUT Loaded with a new mask if REFIR_O called Example MOVE W 1 SP Load port number SYSCALL REDIR_I Set it as new default all inputs will now come from this port output port remains unaffected 1 47 System Calls RETURN Function Trap Function RETURN Return to 147Bug Code 0063 Description RETURN is used to return control to 147Bug from the target program in an orderly manner First any breakpoints inserted in the target code are removed Then the target state is saved in the register image area Finally the routine returns to 147Bug Entry Conditions No arguments required Exit Conditions Different from Entry Control is returned to 147Bug Example SYSCALL RETURN Return to 147Bug Note RETURN must be used only by code that was started using 147Bug 1 48 System Call Routines BINDEC Function Trap Function BINDEC Calculate Binary Coded Decimal BCD equivalent of binary number specified Code 0064 Description BINDEC takes a 32 bit unsigned binary number and changes it to an equivalent BCD number Entry Conditions SP gt Argument Hexadecimal number
141. pending IRQ 2 FFFE0788 04 Reselection not expected from this target 2 05 Target thinks it is working on linked commands but 2 the command table does not 06 Linked command has error status code command has 2 been aborted 07 Received an illegal message 2 08 The message we have tried to send was rejected 2 09 Encountered a parity error in data in phase command 2 phase target only status phase or message in phase Refer to bits 15 12 of second status word 0A SCSI bus RESET received 2 F 2 Table F 2 MVME147 SCSI Packet Status Codes Continued Code Meaning Notes 0B Command error bad command code bad timing or 2 command door was closed when a command was received 00 Custom SCSI sequence controller level not equal to 117 local level or interrupt not on Format format with defects on a controller type not supported Controller reset controller not SCSI type Space tape undefined mode Mode select tape undefined controller type Mode sense tape undefined controller type 0C Size error invalid format code 2 0D Bad ID in packet or local ID FFFE07A6 2 0E Error in attach not previously attached bad device 2 LUN unsupported controller target SCSI address conflicts with initiator 0F Busy error device has a command pending 2 10 There is disagreement between initiator and TARGET 2 regarding the number of bytes that are t
142. ph c 1 ii of the Rights in Technical Data and Computer Software clause at DFARS 252 227 7013 Motorola Inc Computer Group 2900 South Diablo Way Tempe Arizona 85282 Preface The MVME147Bug 147Bug Debugging Package User s Manual provides general information about the debugger the debugger command set use of the one line assembler disassembler system calls and a diagnostic firmware guide for the 147Bug Debugging Package The manual is bound in two parts Part 1 V147BUGA1 UM1 contains Chapters 1 through 4 Part 2 V147BUGA2 UM1 this volume contains Chapters 5 and 6 and Appendices A through F The table of contents and index appear in both volumes The manual should be used by anyone who wants general as well as technical information about the 147Bug Debugging Package A basic knowledge of computers and digital logic is assumed To use this manual you should be familiar with the publications listed in the table below Related Documentation The following publications are applicable to the 147Bug debugging package and may provide additional helpful information If not shipped with this product they may be purchased by contacting your local Motorola sales office Non Motorola documents may be obtained from the sources listed Motorola Document Title Publication Number MVME147 0xx MPU VMEmodule Installation and Use VME147A H MVME147FW SCSI Firmware User s Manual MV
143. played The MMU is turned on flushing the Address Translation Cache ATC A TAS is then attempted Because the ATC was just flushed the access should cause a table walk and a single bus error An error is declared if other than one bus error occurred If the two previous phases completed successfully the message Unmodified Page is displayed and the final phase begun The Modified bit for a particular page is cleared then a read from that page is performed to cache its address translation Next a TAS is attempted to that location A bus error should occur to allow the MMU time to set the Modified bit An error is declared if the Modified bit was not set or if other than one bus error occurred Response Messages After entering this command the display should read as follows 0 R M W CY Chester e tie serach dns DG a Running gt Hit page Diagnostic Firmware Guide If the access to the hit page causes a bus error or the location written to does not contain 80 then the test fails and the table walk is displayed 0 R M W Gycles 12 Lex ie a att ae ee Tes Running gt Hit page Addr XXXXXXXX Expect 80000000 Read 00000000 map of table walk displayed here FAILED If the access to the missed page does not cause a bus error then the test fails and the table walk is displayed 0 R M W Cycles led 3e A wi Running gt Hit page v Missed page Addr XXXXXXXX Expect 8000
144. r 06 is expected after each record is sent If any other byte is received the record is resent The record is resent 10 times before the command is aborted The S2 record is used for the 24 bit address of the data sent When the end of the private memory is reached the S9 record is sent to terminate the dumping of memory The dumping command displays on the console that S records are being dumped and that dumping is complete After dumping memory is complete the code waits for another command Refer to Appendix C for details on S records Message command The command to send a message from the CSO center to the console of the calling system is mess 4 bytes followed by a string of data no more than 80 bytes in length terminated with a carriage return The ROM code moves the string to the console followed by a CR LF This command can be used to send canned messages to the operator giving some indication of activity while various processes are taking place at CSO For example Please Stand By Many of these message commands may be sent while in the command mode Request for concurrent console command The request for concurrent console command is rec 3 bytes only and prompts you for a response If you enter y the single character y is sent to CSO followed by the console menu as displayed on your console If you enter n the single character f is sent to CSO and the call is terminated In concurrent mode all input
145. r instance to invoke the command MT B after the command MT A the command line would read MT A MT B Spaces are not required but are shown here for legibility Several commands consist of a command name that is listed in a main root directory and a subcommand that is listed in the directory for that particular command In the main directory are commands like MPU and CA30 These commands are used to refer to a set of lower level commands To call up a particular MPU test enter on the same line MPU A This command causes the monitor to find the MPU subdirectory and then to execute the command A from that subdirectory Examples Single Level Commands HE Help DE Display error counters Two Level Commands MPU A MPU tests for the MC68030 register tests only CA30 G MC68080 onchip cache tests unlike instruction function codes only 2 7 Diagnostic Firmware Guide Monitor Commands Prefixes Help Command HE Command Input HE command Description Online documentation has been provided in the form of a Help command This command displays a menu of the top level directory if no parameters are entered or a menu of each subdirectory if the name of that subdirectory is entered The top level directory lists bir after the name of each command that has a subdirectory When a menu is too long to fit on the screen it pauses until you press the carriage return CR again Example To bring up a menu of all the memory t
146. ransmission is ensured by the record length byte count and checksum fields S Record Types Eight types of S records have been defined to accommodate the several needs of the encoding transportation and decoding functions Various upload download and other record transportation control programs as well as cross assemblers linkers and other file creating or debugging programs may utilize only those S records which serve the purpose of the program For specific information on which S records are supported by a particular program the user s manual for that program must be consulted 147Bug supports SO S1 S2 3 S7 S8 and S9 records C 2 S Record Types An S record format module may contain S records of the following types S0 S1 92 S3 S5 S7 S8 S9 The header record for each block of S records The address field is normally zeroes The code data field may contain any descriptive information identifying the following block of S records A record containing code data and the 2 byte address at which the code data is to reside A record containing code data and the 3 byte address at which the code data is to reside A record containing code data and the 4 byte address at which the code data is to reside A record containing the number of S1 S2 and S3 records transmitted in a particular block This count appears in the address field There is no code data field A termination re
147. re to comply with these requirements The safety precautions listed below represent warnings of certain dangers of which Motorola is aware You as the user of the product should follow these warnings and all other safety precautions necessary for the safe operation of the equipment in your operating environment Ground the Instrument To minimize shock hazard the equipment chassis and enclosure must be connected to an electrical ground The equipment is supplied with a three conductor ac power cable The power cable must be plugged into an approved three contact electrical outlet The power jack and mating plug of the power cable meet International Electrotechnical Commission IEC safety standards Do Not Operate in an Explosive Atmosphere Do not operate the equipment in the presence of flammable gases or fumes Operation of any electrical equipment in such an environment constitutes a definite safety hazard Keep Away From Live Circuits Operating personnel must not remove equipment covers Only Factory Authorized Service Personnel or other qualified maintenance personnel may remove equipment covers for internal subassembly or component replacement or any internal adjustment Do not replace components with power cable connected Under certain conditions dangerous voltages may exist even with the power cable removed To avoid injuries always disconnect power and discharge circuits before touching them Do Not Service or Adjust Alone
148. read xx GPR1 error data written xx read xx GPR2 error data written xx read xx GPR3 error data written xx read xx GPR4 error data written xx read xx xx are hexadecimal numbers For further information on the VME gate array device refer to the MVME147 MPU VMEmodule Installation and Use Manual If all parts of the test are completed correctly then the test passes VMEGA VME Gate Array Test Running PASSED 2 105 Diagnostic Firmware Guide 2 106 System Mode Operation General Description To provide compatibility with the Motorola Delta Series systems the MVME147Bug has a special mode of operation called system mode that allows the following features to be enabled selected Display System Dump Memory to a Extended confidence tests that are run automatically on power up or reset of the MVME147 a A menu that allows several system start up features to be Continue System Start Up Select Alternate Boot Device Go to System Debugger est Initiate Service Call Tape Errors The menu selections are fully explained under Menu Details in this chapter 4 Return to the menu upon system start up errors instead of return to the debugger 4 Enabling of the Bug autoboot sequence The flow of system mode operation is shown in Figure A 1 Upon either power up or system reset the MVME147 first execut
149. ring SYSCALL WRITDLN Invoke function TST L A5 Deallocate data from data stack would print out the following message ERROR CODE 3 Notes The string must be formatted such that the first byte the byte pointed to by the passed address contains the count in bytes of the string including the data field specifiers described in the following note Any data fields within the string must be represented as follows where radix is the base that the data is to be displayed in in hexadecimal for example A is base 10 10 is base 16 etc and fieldwidth is the number of characters this data is to occupy in the output The data is right justified and left most characters are removed to make the data fit The Z is included if it is desired to suppress leading zeros in output The vertical bars characters All data is to be placed in the data stack as longwords Each time a data field is encountered in your string a longword is read from the data stack to be displayed The data stack is not destroyed by this routine If it is necessary for the space in the data stack to be deallocated it must be done by the calling routine as shown in the above example System Call Routines SNDBRK Function Trap Function SNDBRK Send break Code 0029 Description SNDBRK is used to send a break to the default output port Entry Conditions No arguments or stack allocation required Exit Conditions Different from
150. routine returns a pointer on the stack to the board identification packet The packet is built at initialization time and contains information about the board and the peripherals it supports The format of the board identification packet is shown below F E DC BA 98 7 6 5 4 3 2 1 O 00 EYE CATCHER 04 REVISION MONTH DAY YEAR 08 PACKET SIZE MEMORY SIZE 0C BOARD NUMBER BOARD SUFFIX 10 OPTIONS COPROCESSORS ETC FAMILY CPU 14 CONTROLLER LUN DENCE LUN 18 DEVICE TYPE DEVICE NUMBER 1C BUG SSID MODEM STRUCTURE POINTER 1 56 Field Descriptions Eye Catcher Revision Month Day Year Packet Size Memory Size System Call Routines Longword containing ASCII string IID Byte contains bug revision in BCD Three bytes contain the date in BCD the bug was frozen Word contains the size of the packet Word contains the size of onboard memory in 1M units in hexadecimal Board Number Word contains the board number in BCD Board Suffix Word contains the ASCII board suffix XTG A 20 Options Bits 0 3 Four bits contain CPU type CPU 1 MC68010 present CPU 2 MC68020 present CPU 3 MC68030 present CPU 4 MC68040 present Bits 4 6 Three bits contain the Family type Fam 0 68xxx family Fam 1 88xxx family Bits 7 31 The remaining bits define various board specific options Bit 7 set FPC present Bit 8 set MMU present Bit 9 set MMB present Bit 10 set
151. rror related information FAILED If no errors are encountered the display appears as follows FA EM Bd Fast Addr Test PASSI ED Memory Tests Command MT MT FV Memory Board Fast VMEbus Write Read Test Command Input 147 Diag gt MT FV Description This command performs a write read pattern test with Instruction Cache enabled from Start Address to Stop Address The fast VMEbus write read test has been implemented in the following manner 1 Two Address Registers are loaded with the Start and Stop Addresses 2 Enable Instruction Cache 3 A Data Register is loaded with the value 55AA55AA 4 For every longword memory location a b Move the contents of the Data Register to the memory location Proceed to next memory location 5 Reload the Start Address Register 6 For every third longword memory location a Move the contents of the memory location to a second Data Register Verify that the registers contain the same value Complement the first Data Register Move the contents of the first Data Register to the memory location Complement the first Data Register restore original data Proceed to next memory location Diagnostic Firmware Guide 7 Reload the Start Address Register 8 For every fourth and sixth longword memory location a b g h Complement the first Data Register Move the contents of the mem
152. rt numbers changing 5 47 prefetch operation test 6 85 printing CR LF 5 35 program into RAM test 6 47 6 54 Q QIC 02 Streaming Tape Drive E 6 R RAM tests 6 33 random byte test 6 45 rcc command A 8 read blocks of data 5 12 characters 5 5 5 8 from memory location 6 16 line 5 7 5 10 RTC registers 5 44 string of characters 5 10 Read Loop RL size 6 16 read mapped ROM test 6 71 read modify write cycle test 6 91 READLN Read line to fixed length buffer 5 10 READSTR Read string into vari able length buffer 5 8 Real Time Clock RTC date initialization 5 42 display time 5 43 registers reading 5 44 time initialization 5 41 REDIR Redirect I O function 5 45 REDIR I Redirect input 5 47 REDIR_O Redirect output 5 47 redirecting input output 5 47 refresh test 6 43 register test MPU 6 19 removable CMD drive E 7 repeating a test 6 10 6 11 request for concurrent console command A 8 resetting error counters 6 13 RETURN Return to 147Bug 5 48 return control to 147Bug 5 48 returning pointer to board ID packet 5 56 RL size command 6 16 RMCMD16 E 7 IN 26 ROM read mapped test 6 71 RP register test 6 66 RTC command 6 94 RTC_DSP Display time from the RTC 5 43 RTC_DT Data initialization for RTC 5 42 RTC_RD Read RTC registers 5 44 RTC_TM Time initialization for RTC 5 41 S SCC command 6 101 SCSI bus assignments E 7 controllers E 2 packet 5 26 packet status codes F 2 SD com
153. s 08 Busy 2 4 38 SCSI status 10 Intermediate good 2 4 3A SCSI status 14 Intermediate condition met good 2 4 3C SCSI status 18 Reservation conflict 2 4 Request Sense Data Error Classes 0 6 Codes Controller Dependent 40 No error status 2 5 6 41 No index signal 2 5 6 42 No seek complete 2 5 6 43 Write fault 2 5 6 44 Drive not ready 2 5 6 45 Drive not selected 2 5 6 46 No track 00 2 5 6 47 Multiple drives selected 2 5 6 49 Cartridge changed 2 5 6 4d Seek in progress 2 5 6 50 ID error ECC error in the data field 2 5 7 51 Data error uncorrectable data error during a read 2 5 7 F 5 Disk Communication Status Codes Table F 2 MVME147 SCSI Packet Status Codes Continued Code Meaning Notes 53 Data address mark not found 2 5 7 54 Sector number not found 2 5 7 55 Seek error 2 5 7 57 Write protected 2 5 7 58 Correctable data field error 2 5 7 59 Bad block found 2 5 7 5A Format error Check track command 2 57 5C Unable to read alternate track address 2 5 7 5E Attempted to directly access an alternate track 2 5 7 5F Sequencer time out during transfer 2 5 7 60 Invalid command 2 5 8 61 Illegal disk address 2 5 8 62 Illegal function 2 5 8 63 Volume overflow 2 5 8 70 RAM error DTC 520 B or DB 2 5 9 71 FDC 765 error DTC 520 B or DB 2 5 9 Notes 1 Intermediate return codes
154. s address modifier to use while transferring data If zero a default value of 0D is selected by the bug If nonzero the specified value is used The Device Descriptor Packet is as follows 00 02 04 06 08 0A 0c 0E 10 F E DC B A 9 8 7 6 5 4 3 2 1 0 CONTROLLER LUN DEVICE LUN PARAMETERS MASK ATTRIBUTES MASK ATTRIBUTES FLAGS PARAMETERS System Calls Most of the fields in the device descriptor packet are equivalent to the fields defined in the Configuration Area CFGA block as described in Appendix D In the field descriptions following reference is made to the equivalent field in the CFGA whenever possible For additional information on these fields refer to Appendix D Controller LUN Device LUN Parameters Mask Attributes Mask Attributes Flags Parameters Same as in command packet Same as in command packet Equivalent to the IOSPRM and IOSEPRM fields with the lower 06 LSW word equivalent to IOSPRM and the upper 04 MSW word equivalent to IOSEPRM Equivalent to the IOSATM and IOSEATM fields with the lower 0A LSW word equivalent to IOSATM and the upper 08 MSW word equivalent to IOSEATM Equivalent to the IOSATW and IOSEATW fields with the lower 0E LSW word equivalent to IOSATW and the upper 0C MSW word equivalent to IOSEATW The parameters used for device reconfiguration are specified in this area
155. s continued in the code data fields of the remaining S1 records and stored in memory location 0010 etc The second and third S1 records each also contain 13 19 character pairs and are ended with checksums 13 and 52 respectively The fourth 1 record contains 07 character pairs and has a checksum of 92 The 59 record is explained as follows S9 S record type S9 indicating that it is a termination record 03 Hexadecimal 03 indicating that three character pairs 3 bytes follow 00 00 EC The address field zeroes The checksum of the S9 record Each printable character in an S record is encoded in hexadecimal ASCII in this example representation of the binary bits which are actually transmitted For example the first S1 record above is sent as Length Address Code Data Checksum 13 0000 285F es 2A 31 33 30 38 35 rt 32 41 0011 0001 0011 0001 0011 0011 0011 0000 0011 0000 0011 0000 0011 0000 0011 0010 0011 1000 0011 0101 0100 0110 TU 0011 0010 Information Used by BO and BH VID and CFGA Commands Table D 1 Volume ID Block 0 VID Length Label Offset amp Bytes Contents VIDOSS 14 20 4 Starting block number of operating system VIDOSL 18 24 2 Operating system length in blocks VIDOSA 1E 30 4 Starting memory location to load
156. s time out 19 Header checksum error 1A Disk write protected 1B Unit not selected 1C Seek error time out 1D Fault time out 1E Drive faulted 1F Ready time out 20 End of media 21 Translation fault 22 Invalid header pad 23 Uncorrectable error 24 Translation error cylinder 25 Translation error head 26 Translation error sector 27 Data overrun F 18 Table F 9 MVME360 Controller Dependent Status Codes Continued Code Meaning 28 No index pulse on format 29 Sector not found 2A ID field error wrong head 2B Invalid sync in data field 2C No valid header found 2D Seek time out error 2E Busy time out 2F Not on cylinder 30 RTZ time out 31 Invalid sync in header 32 3F Not used 40 Unit not initialized 41 Not used 42 Gap specification error 43 4A Not used 4B Seek error 4C 4F Not used 50 Sectors per track specification error 51 Bytes per sector specification error 52 Interleave specification error 53 Invalid head address 54 Invalid cylinder address 55 5C Not used 5D Invalid DMA transfer count 5E 5F Not used 60 IOPB failed F 19 Disk Communication Status Codes Table F 9 MVME360 Controller Dependent Status Codes Continued Code Meaning 61 DMA failed 62 Illegal VME address 63 69 Not used 6A Unrecognized header field 6B Mapped header error 6C 6E Not
157. scriptor of a page which has an index field greater than 0 not a page 0 when the page is written Response Messages After entering this command the display should read as follows Y Modify BIG Endex eot ee retine Running gt If the Modify Bit does not get set by the write then the test fails Y Modify Bit amp Index jiceseegieiIkcex Running gt Addr 00F00000 Expect 00000010 Read 00000000 map of table walk displayed here FAILED If the Modify Bit does get set the test passed Y Modify Bit amp Index Running PASSED Diagnostic Firmware Guide MMU Z Sixteen Bit Bus Tests This command is used to run the following tests with the MMU set for 16 bit bus size The command must be followed by a numeral indicating which sub test is to be executed MMU Z 0 User Program Space Test Command Input 147 Diag gt MMU Z 0 Description This command is used in conjunction with MMU Z to test the capability of the MMU to access user program space in 16 bit mode Response Messages After entering this command the display should read as follows 0 User Prog Space gei eSI Oe Running gt The conditions determining the success of this test are fully described in the MMU I command as well as the error messages If the test fails the display appears as shown QO User Prog Space prrs 9 v ates Running gt Addr 00000000 Expect 00000001 Read FA4
158. sese iain heic titio ku da Si N D 5 Disk Tape Controller Modules Duppaekenl usceeeeubec no taie ii entier nin E 1 Disk Tape Controller Default Configurations sess rrr irritare rici E 2 List of Tables Table 1 1 147Bug System Call RORIS naut nit teintes tes rini mtem 5 3 Table 2 1 Diagnostic Monitor Commands f Prees ennoun 6 1 Tabie 22 Bicis n UNES M ME 6 2 Table 2 3 Diagnostic Test Comabands iau sseee ro rodiri cU e pa ib kb Up done 6 2 Table 2 4 MC68030 MPU DiagnosHoe Desks sseiacce xit baberi 6 18 Table 2 5 MC68030 Cache Diagnostic Teste serit rrt irr 6 23 Table 2 6 Memory Daampste Iosksuduqi oa ad pEYDU ERI EDAM CDI MEYROE 6 33 Table 2 7 Memory Management Unit Diagnostic Tests ssss 6 64 Table 2 8 Bample Table Walk Display 5er terit dcn 6 93 xiv System Calls Introduction This chapter describes the 147Bug TRAP 15 handler which allows system calls from your programs The system calls can be used to access selected functional routines contained within 147Bug including input and output routines TRAP 15 may also be used to transfer control to 147Bug at the end of a your program refer to the RETURN function in this chapter In the descriptions of some input and output functions reference is made to the default input port or the default output port After the Reset or Abort option the default input and output port is initialized to be LUN 0 the MVME147 serial port 1 The defaults may b
159. sing the HE command In addition some utilities have subfunctions and as such have subfunction menus System Start up AN Caution Even though the MVME147Bug EPROMs are installed on the MVME147 module in order for 147Bug to operate properly follow this set up procedure Refer to the MVME147 MPU VMEmodule Installation and Use Manual for header and parts locations Note The jumpering instructions that follow apply only to MVME147modules with a suffix 01x or 02x If you have earlier boards consult the MVME147 user s manual that was furnished with your board Inserting or removing modules while power is applied could damage module components 1 Turn all equipment power OFF and configure the header jumpers on the module as required for your particular application as shown in Chapter 1 for the debugger and repeated here for your convenience 2 The only jumper configurations specifically dictated by 147Bug are those on header J2 Header J2 must be configured with jumpers positioned between pins 2 4 3 5 6 8 13 15 and 14 16 This sets EPROM sockets U22 and U30 for 128K x 8 devices This is the factory configuration for these modules 2 3 Diagnostic Firmware Guide JN Caution 3 You may configure header J3 to enable jumper installed or disable no jumper the system controller function Be sure chip orientation is correct with pin 1 oriented with pin 1 silkscreen markings on the board 4 Note 8
160. size Actual number of bytes per sector on media Spiral offset Used to displace the logical start of a track from the physical start of a track The displacement is equal to the spiral offset times the head number assuming that the first head is 0 This dis placement is used to give the controller time for a head switch when crossing tracks Starting head number Defines the first head number for the device Precompensation Defines the cylinder on which precompensation begins Information Used by BO and BH Commands Table D 7 Parameter Field Definitions Continued Parameter Stepping rate code Reduced write current cylinder ECC data burst length Spare sectors count Reserved area units Reserved count 1 Reserved count 2 Description The step rate is an encoded field used to specify the rate at which the read write heads can be moved when seeking a track on the disk The encoding is as follows Step Rate Winchester 250 kHz 500 kHz Code Hard Disks Data Rate Data Rate 000 0 ms 12 ms 6 ms 001 6 ms 6 ms 3 ms 010 10 ms 12 ms 6 ms 011 15 ms 20 ms 10 ms 100 20 ms 30 ms 15 ms This field specifies the cylinder number at which the write current should be reduced when writing to the drive This parameter is normally specified by the drive manufacturer This field defines the number of bits to correct for an ECC error when supported by the disk controller This fiel
161. st location of the first RAM page 3 Enable the MMU 4 Read the first location of the first virtual RAM page This should address the first location in the second physical RAM page due to the indirect 5 If the value read is not the value written out to the second RAM page in step 2 then the test fails 6 Disable the MMU Response Messages After entering this command the display should read as follows J cEndrierect Bage 525644144 Wh exu eed Running gt If the value that was supposedly read from the first virtual page in Step 4 does not match the value written in Step 2 to the second physical page then the test fails J Indirect Page eere ste ele Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the value matches then the indirect mechanism has functioned correctly and the test passes d Indirect Page c dks REA Ve Running PASSED 2 76 Memory Management Unit Tests Command MMU MMU K Page Descriptor Used Bit Test Command Input 147 Diag gt MMU K Description This command tests the ability of the MMU to set the Used bit in a page descriptor when the page gets accessed The test is implemented in the following manner 1 Clear the Used bit in a page descriptor 2 Enable the MMU 3 Read from the page 4 Examine the page descriptor If the Used bit is not set then the test fails Response Messages Af
162. st name following the command Example 147Diag gt ZE MPU A This clears the error counter associated with MPU A Display Pass Count Command DP Command Input DP Description A count of the number of passes in loop continue mode is kept by the monitor This count is displayed with other information at the conclusion of each pass To display this information without using LC enter DP Example 147Diag gt DP Pass Count 19 147Diag gt Diagnostic Firmware Guide Zero Pass Count Command ZP Command Input ZP Description Utilities Invoking the ZP command resets the pass counter to zero This is frequently desirable before typing in a command that invokes the loop continue mode Entering this command on the same line as LC results in the pass counter being reset every pass The monitor is supplemented by several utilities that are separate and distinct from the monitor itself and the diagnostics They are described on the following pages Utilities Write Loop Command WL size Command Input WL B W L address data Options B Byte Ww Word L Longword Parameters address Target address data Data to be written The command requires two parameters target address and data to be written The address and data are both hexadecimal values and must be preceded by a if the first digit is other than 0 9 i e FF would be entered as FF Omission of either or both parameters causes prompting f
163. sts a MVME147 Module being tested a VME chassis a Video display terminal MC68030 MPU Tests Command MPU MPU A Register Test Command Input 147 Diag gt MPU A Description This command does a thorough test of all the registers in the MC68030 chip including checking for bits stuck high or low Response Messages After the command has been issued the following line is printed A MPU register test Running gt If any part of the test fails the display appears as follows A MPU register test Running Sha is error message error message is one of the following Failed DO D7 register check Failed SR register check Failed USP VBR CAAR register check Failed CACR register check Failed A0 A4 register check Failed A5 A7 register check FAILED If all parts of the test are completed correctly the test passes A MPU register test Running PASSI ED Diagnostic Firmware Guide MPU B Instruction Test Command Input 147 Diag gt MPU B Description This command tests various data movement integer arithmetic logical shift and rotate and bit manipulation instructions of the MC 68030 chip Response Messages After the command has been issued the following line is printed B PU Instruction Test If any part of the tes B PU Instruction Test error message R
164. t 2F Not on cylinder 18 Bus time out 19 Header checksum error 1A Disk write protected 1B Unit not selected 1C Seek error time out 1D Fault time out 1E Drive faulted 1F Ready time out 20 End of medium 21 Translation fault Disk Communication Status Codes Table F 6 MVME323 Controller Dependent Status Codes Continued Code Meaning 22 Invalid header pad 23 Uncorrectable error 24 Translation error cylinder 25 Translation error head 26 Translation error sector 27 Data overrun 28 No index pulse on format 30 RTZ time out 31 Invalid sync in header 32 3F Not used 40 Unit not initialized 41 Not used 42 Gap specification error 43 4A Not used 4B Seek error 4C 4F Not used 50 Sectors per track error 51 Bytes per sector specification error 52 Interleave specification error 53 Invalid head address 54 Invalid cylinder address 55 5C Not used 5D Invalid DMA transfer count 5E 5F Not used 60 IOPB failed 61 DMA failed F 12 Table F 6 MVME323 Controller Dependent Status Codes Continued Code Meaning 62 Illegal VME address 63 69 Not used 6A Unrecognized header field 6B Mapped header error 6C 6E Not used 6F No spare sector enabled 70 76 Not used 77 Command aborted 78 ACFAIL detected 79 EF Not used FO FE Fatal error call your field service representat
165. ter entering this command the display should read as follows K Page Desc Used Bit Running gt If the Used bit does not get set by the access in Step 3 then the test fails K Page Desc Used Bit Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the Used bit does get set then the test passes K Page Desc Used Bit Running PASSED 2 77 Diagnostic Firmware Guide MMU L Page Descriptor Modify Bit Test Command Input 147 Diag gt MMU L Description This command tests the ability of the MMU to set the Modify bit in a page descriptor when the page is written The test is implemented in the following manner 1 Clear the Modify bit in a page descriptor 2 Enable the MMU 3 Write from the page 4 Examine the page descriptor If the Modify bit is not set then the test fails Response Messages After entering this command the display should read as follows L Page Desc Modify Bit Running gt If the Modify bit does not get set by the access in Step 3 then the test fails L Page Desc Modify Bit Running gt Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the Modify bit does get set then the test passes L Page Desc Modify Bit Running PASSED 2 78
166. test operates exactly like the test described under the MMU J command the only difference is that the MMU is set to 16 bit mode before executing the test described in that section Response Messages After entering this command the display should read as follows 2 Indirect Page cies ales hye alate nes Running gt The conditions determining the success of this test are fully described in the MMU J command as well as the error messages If the test fails the display appears as shown 2 Indirect Page 43 23 revise Running Addr 00000000 Expect 00000001 Read FA445221 map of table walk displayed here FAILED If the test passes then the display appears as follows 2 Indirect Page RE e Mae eg Running PASSED Memory Management Unit Tests Command MMU MMU 0 Read Modify Write Cycle Test Command Input 147 Diag gt MMU 0 Description This test performs the Test And Set TAS instruction in three modes to verify that the MMU functions correctly during read modify write cycles The message Hit Page is displayed The MMU is turned on and a write access is performed to cache the address translation for that location The first TAS is then done to verify that a hit page can be accessed No bus error should result from this The test fails if either a bus error occurs or the location in RAM written to does not contain 80 afterward The MMU is shut off and the message Missed Page dis
167. the following manner 1 A register is loaded with the value ECA86420 2 For each memory location a Copy the contents of the register to the memory location one byte at a time b Add 02468ACE to the contents of the register c Proceed to next memory location 3 Reload ECA86420 into the register 4 For each memory location a Compare the contents of the memory to the register to verify that the contents are good one byte at a time b Add 02468ACE to the contents of the register c Proceed to next memory location Response Messages After the command is entered the display should appear as follows H MT Random Byte Test Running gt If an error occurs the memory location and other related information are displayed 2 45 Diagnostic Firmware Guide H MT Random Byte Test Running error related information If no errors occur the display appears as follows H MT Random Byte Test Running 2 46 Memory Tests Command MT MT Program Test Command Input 147 Diag gt MT I Description This command moves a program segment into RAM and executes it The implementation of this is as follows 1 The program is moved into the RAM repeating it as many times as necessary to fill the available RAM i e from Start Address to Stop Address 8 Only complete segments of the program are moved The space remaining from the last program segme
168. the contents of the Data Register to the memory location b Move the contents of the memory location to a second Data Register Diagnostic Firmware Guide c Verify that the registers contain the same value d Proceed to next memory location 8 Disable Instruction Cache Response Messages After the command is entered the display should appear as follows FP EM Bd Fast Pattern Test Running If an error is encountered the memory location and other related information are displayed FP EM Bd Fast Pattern Test Running 2 FAILED error related information If no errors are encountered the display appears as follows FP EM Bd Fast Pattern Test Running PASSED 2 58 Memory Tests Command MT MT FA Memory Board Fast Address Test Command Input 147 Diag gt MT FA Description This command performs a write read of addresses as data with Instruction Cache enabled from Start Address to Stop Address The fast address test has been implemented in the following manner 1 Two Address Registers are loaded with the Start and Stop Addresses 2 Enable Instruction Cache 3 For each memory location a Move the memory location address to the memory location Proceed to next memory location Move the memory location address to a Data Register Complement the Data Register 0o 00 c Move the contents of the
169. the debugger prompt 147 Bug gt When power is applied to the MVME147 bit 1 at location FFFE1029 Peripheral Channel Controller PCC general purpose status register is set to 1 indicating that power was just applied Refer to the MVME147 MPU VMEmodule Installation and Use Manual for a description of the PCC This bit is tested within the Reset logic path to see if the power up confidence test needs to be executed This bit is cleared by writing a 1 to it thus preventing any future power up confidence test execution If the confidence test fails the test is aborted when the first fault is encountered and the FAIL LED remains on If possible one of the following messages is displayed CPU Register test failed CPU Instruction test failed ROM test failed RAM test failed CPU Addressing Modes test failed Exception Processing test failed 12V fuse is open Battery low data may be corrupteg Non volatile RAM access error Unable to access nonvolatile RAM properly The firmware monitor comes up with the FAIL LED on If the power up confidence test is successful and no failures are detected the firmware monitor comes up normally with the FAIL LED off 2 5 Diagnostic Firmware Guide Diagnostic Monitor The tests described herein are called via a common diagnostic monitor hereafter called monitor This monitor is command line driven and provides input output facilities
170. ting to run this test without sufficient memory about 400 bytes for at least one complete program segment to be copied causes an error message INSUFFICIENT MEMORY The last location Stop Address receives an RTS instruction Enable Instruction Cache and Burst mode Finally the test performs a JSR to location Start Address a m Q N The program itself performs a wide variety of operations with the results frequently checked and a count of the errors maintained Errant locations are reported in the same fashion as any memory test failure refer to the Memory Error Display Format section in this chapter 6 Disable Instruction Cache and Burst mode Response Messages After the command is entered the display should appear as follows M MT Nibble mode test Running Memory Tests Command MT If an error is encountered the memory location and other related information are displayed M MT Nibble Mode Test Running Puedes FAILED error related information If no errors are encountered the display appears as follows M MT Nibble Mode Test Running PASSED 2 55 Diagnostic Firmware Guide MT O Set Memory Test Options Command Input 147 Diag gt MT O Description This command allows you to select whether Instruction Cache or Parity are enabled or disabled during the memory tests Response Messages 147 Diag gt MT O
171. tly then the test fails and the following error message is printe d out A RE Register lassers 2 Ae ee Res Running gt Expect 00000010 Read FFFFFFFF FAILED If the walk a bit test is successful then the root pointer register test passes A RP Register quuelkbasgewg eW qug one Running PASSED Memory Management Unit Tests Command MMU MMU B TC Register Test Command Input 147 Diag gt MMU B Description This command tests the TC register by attempting to clear and then set the Initial Shift IS bit Response Messages After entering this command the display should read as follows B TG Register iuueni oud oho ler ree Running gt If the bit cannot be cleared and set then the test fails B TO REGUS CSE olg heteca oe wong toe a e er Running gt Expect 00008010 Read 00000000 FAILED If the bit gets cleared and set then the test passes B IG Register ceteri pneri Running PASSED Diagnostic Firmware Guide MMU C Supervisor Program Space Test Command Input 147 Diag gt MMU C Description This command enables the MMU and lets it do a table walk in supervisor program space The test is implemented in the following manner 1 Put the function code in the MC68030 DFC register 2 Load the address of function code table into the root pointer register 3 Set the E bit in the TC register 4 Let the MMU do a table walk for the next instruct
172. ture is to allow you to access 147Bug without the diagnostics being visible When in the 147Bug directory the prompt reads 147 Bug gt To return to the diagnostic directory enter the command SD again When in the diagnostic directory the prompt reads 147 Diag gt Example 147 Diag SD 147 Bug gt SD 147 Diag Loop on Error Mode Prefix LE Command Input LE command Description Occasionally when an oscilloscope or logic analyzer is in use it becomes desirable to repeat a test endlessly at the point where an error is detected LE accomplishes that for most of the tests To invoke LE enter it before the name of the test that is to run in loop on error mode Diagnostic Monitor Stop on Error Mode Prefix SE Command Input SE command test name Description It is sometimes desirable to stop a test or series of tests at the point where an error is detected SE accomplishes that for most of the tests To invoke SE enter it before the test or series of tests that is to run in stop on error mode Loop Continue Mode Prefix LC Command Input LC command test name Description To repeat a test or series of tests endlessly use the prefix LC This loop includes everything on the command line To break the loop press the BREAK key on the diagnostic video display terminal Certain tests disable the BREAK key interrupt so pressing the ABORT or RESET switches on the MVME147 front panel may become
173. ug is listed in Appendix E Entry of a selected device followed by a carriage return redisplays the menu for another selection normally you would select Continue System Start Up at this point Go to System Debugger Enter 3 CR at the menu This places you in 147Bug s diagnostic mode indicated by the prompt 147 Diag gt To return to the menu type menu when the Bug prompt appears When in 147 Diag gt mode operation is described in sections of this manual dealing with the Bug and FAT diagnostics Initiate Service Call Enter 4 CR at the menu The initiate service call function is described in the following paragraphs This function is normally used to complete a connection to a service organization referred to herein as CSO which can then use the A 4 Menu Details dual console mode of operation to assist a customer with a problem The modem type baud rate and concurrent flag are saved in the BBRAM that is part of the MK48T02 RTC and remain in effect through any normal reset If the MVME147 and the modem do not share the same power supply then the selections remain in effect through power up otherwise no guarantees are made as to the state of the modem Note The Reset and Abort option sets the dual console concurrent mode to the default condition disabled until enabled again General Flow Interaction with the service call function proceeds as follows First the system asks
174. unning Running message is one of the following led AND OR NOT EOR instruction check led MULU or DIVU instruction check led BSET or BCLR instruction check or BFCLR instruction check led BFCHG or BFINS instruction check error Fail Failed DBF instruction check Failed ADD or SUB instruction check Fail Fail Failed LSR instruction check Failed LSL instruction check Failed BFSE Fai Failed BFEXTU instruction check t fails the display appears as follows FAILED If all parts of the test are completed correctly the test passes B PU Instruction Test ED 2 20 MC68030 MPU Tests Command MPU MPU C Address Mode Test Command Input 147 Diag gt MPU C Description This command tests the various addressing modes of the MC68030 chip These include absolute address address indirect address indirect with postincrement and address indirect with index modes Response Messages After the command has been issued the following line is printed C MPU Address Mode test Running gt If any part of the test fails the display appears as follows C MPU Address Mode test Running P NM FAILED error message error message is one of the following Failed Absolute Addressing check Failed Indirect Addressing check Failed Post increment check Failed Pre decrement check Failed Indirect Addressing with Index check Unexpected Bus Error at XXXXXX
175. used 6F No spare sector enabled 70 76 Not used 77 Command aborted 78 AC fail detected 79 EF Not used FO FE Fatal error call your field service representative and tell them the IOPB and UIB information that was available at the time the error occurred FF Command not implemented F 20 Symbols CR LF sequence 5 35 sending printing Numerics 16 bit bus tests 6 88 96 TPI floppy drive E 3 A ADAPTEC ACB 4000 Winchester Disk Controller E 7 address mode test MPU 6 21 Address Translation Cache ATC test 6 73 AM7990 test 6 99 ARCHIVE Streaming Tape Drive E 7 attribute mask IOSATM D 3 IOSEATM D 3 B basic instruction caching test 6 29 baud rate A 5 changing A 6 BBRAM test 6 94 BCD number changing from binary 5 49 BERR command 6 96 BH command D 1 binary number changing to BCD 5 49 BINDEC Calculate BCD equivalent of binary number 5 49 BO command D 1 Index board ID packet returning pointer to 5 56 boot device alternate A 4 BRD ID Return pointer to board ID packet 5 56 break check for 5 11 break sending 5 39 bus assignments SCSI E 7 Bus Error Test BERR 6 96 C CA30 A Basic Data Caching Test 6 24 CA30 B Data Cache Tag RAM Test 6 25 CA30 C Data Cache Data RAM Test 6 27 CA30 D Data Cache Valid Flags Test 6 28 CA30 F Basic Instruction Caching Test 6 29 CA30 G Unlike Instruction Function Codes Test 6 30 CA30 H Disable Test 6 31 CA30 I Clear T
176. uts a character to the default output port The character is passed on the stack Entry Conditions SP gt Character byte Word fill byte Placed automatically by MPU Exit Conditions Different from Entry SP gt Top of stack Character is sent to the default I O port Example MOVE B DO SP Send character in DO SYSCALL OUTCHR to default output port System Calls OUTSTR OUTLN Functions Trap Functions OUTSTR Output string to default output port OUTLN Output string along with CR LF Codes 0021 0022 Description OUTSTR outputs a string of characters to the default output port OUTLN outputs a string of characters followed by a CR LF sequence Entry Conditions SP gt Address of first character longword 4 Address of last character 1 longword Exit Conditions Different from Entry SP gt Top of stack Example If AO start of string If A1 end of string 1 MOVEM L A0 A1 SP Load pointers to string SYSCALL OUTSTR and print it System Call Routines WRITE WRITELN Functions Trap Functions WRITE Output string with no CR or LF WRITELN Output string with CR and LF Codes 0023 0024 Description These output functions are designed to output strings formatted with a count byte followed by the characters of the string You pass the starting address of the string The output goes to the default output port Entry Conditions F
177. vice failure parity error etc while performing the command or during self test 2 3 25 26 Illegal request Indicates that there was an illegal parameter in the command descriptor block or in the additional parameters supplied as data Unit attention indicates that the removeable media may have been changed or the target has been reset 2 3 2 3 27 Data protect indicates that a command that Reads or Writes the medium was attempted on a block that is protected from this operation 2 3 28 Blank check indicates that a write once read multiple device or a sequential access device encountered a blank block while reading or a write once read multiple device encountered a nonblank block while writing 2 3 F 4 Table F 2 MVME147 SCSI Packet Status Codes Continued Code Meaning Notes 2D Volume overflow Indicates that a buffered peripheral 2 3 device has reached an end of medium and data remains in the buffer that has not been written to the medium A recover buffered data command may be issued to read the unwritten data from the buffer 2E Miscompare indicates that the source data did not 2 3 match the data read from the medium 2F Reserved this sense key is reserved 2 3 SCSI Status Returned in Status Phase 31 SCSI status 02 Check 2 4 32 SCSI status 04 Condition met 2 4 34 SCSI statu
178. w this address Response Messages If you supplied the optional new value the display appears as follows 147 Diag MT B new value Start Addr new value 147 Diag If anew value was not specified the old value is displayed and you are allowed to enter a new value Note The default is Start Addr 00004000 which is for onboard RAM 147 Diag MT B Start Addr current value new value Start Addr new value 147 Diag This command may be used to display the current value without changing it by pressing a carriage return CR without entering the new value 147 Diag MT B Start Addr current value CR Start Addr current value 147 Diag Note Memory Tests Command MT If a new value is specified it is truncated to a longword boundary and if greater than the value of the stop address replaces the stop address The start address is never allowed to be higher in memory than the stop address These changes occur before another command is processed by the monitor Diagnostic Firmware Guide MT C Set Stop Address Command Input 147 Diag MT C new value Description This command allows you to select the stop address used by all of the memory tests Response Messages If you supplied the optional new value the display appears as follows 147 Diag MT C new value Stop Addr new value 147 Diag If a new value was not specified the old value is displayed and
179. you are allowed to enter a new value Note The default is Stop Addr DRAMsize 4 which is the end of onboard RAM 147 Diag MT C Stop Addr current value new value Stop Addr new value 147 Diag This command may be used to display the current value without changing it by pressing a carriage return CR without entering the new value 147 Diag MT C Start Addr current value CR Start Addr current value 147 Diag Note Memory Tests Command MT If a new value is specified it is truncated to a longword boundary and if less than the value of the start address is replaced by the start address The stop address is never allowed to be lower in memory than the start address These changes occur before another command is processed by the monitor Diagnostic Firmware Guide MT D Set Bus Data Width Command Input 147 Diag MT D new value Options new value 0 16 bits default 1 32 bits Description This command is used to select either 16 bit or 32 bit bus data accesses during the MVME147Bug MT memory tests The width is selected by entering 0 for 16 bits or 1 for 32 bits The default value is bus width 0 16 bits Response Messages If you supplied the optional new value the display appears as follows 147 Diag MT D new value Bus Width 3221 1620 new value 147 Diag If anew value was not specified the old value is displayed and you are allowed to enter
180. ystem Calls Example 2 Reset SCSI bus on controller 4 A1 points to the following packet residing at 10000 147 Bug MM 10000 00010000 00010002 00010004 00010006 00010008 0001000A 0001000C 0001000E 147 Bug 400 0 1 10 0 0 2 0 CO UC C 0 0 0 0 0 0 0 0 Co Gic s 20 Controller LUN 4 device LUN 0 Returned status Pointer to SCSI packet MSW Pointer to SCSI packet LSW Not used Not used SCSI command Default address modifier SCSI packet residing at 10010 147 Bug MM 10010 01 00010 0001 0001 0001 0001 0001 0001 00010 C3 cC Oo C O C3 Cc GU Qo HOP og amp ND 147 Bug ERROR 0 E 0A80 000 0 0 02 0 02 0 oOo OOOO uo AP c ERE cm ME oo M m ME eo UC PEA L SYSCALL BNE XXXXX XXXXX Reset SCSI command reset SCSI bus bit set Attribute word not used for this command Memory address not used for this cmd Memory address not used for this cmd Byte count not used for this command Block count not used for this command Not used Device type not used for this command Al Pass pointer to command packet DSKCTRL Reset SCSI bus on controller LUN 4 ERROR Branch if error XXX Handle error XXX System Call Routines OUTCHR Function Trap Function OUTCHR Output character routine Code 0020 Description This function outp

MVME147BUG 147Bug Debugging Package User`s Manual Part 2 of 2

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