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Last change
on this file since 924 was
232,
checked in by alain, 13 years ago
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Introducing the elementary tests for a TSAR mono-cluster
mono-processor platform with MMU using the vci_cc_vcache_v4
such as the "tsarv4_mono_mmu".
(assemby level tests written by Manuel Bouyer)
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File size:
946 bytes
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| 1 | /* |
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| 2 | * arithmetic overflow test: check that a add can generates an exception |
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| 3 | */ |
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| 4 | #include <registers.h> |
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| 5 | #include <misc.h> |
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| 6 | |
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| 7 | .text |
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| 8 | .globl _start |
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| 9 | _start: |
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| 10 | .set noreorder |
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| 11 | la k0, TTY_BASE |
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| 12 | la k1, EXIT_BASE |
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| 13 | la sp, 0x00400000 - 16 |
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| 14 | |
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| 15 | PRINT(startstr) |
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| 16 | |
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| 17 | /* reset cop0 status (keep BEV) */ |
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| 18 | lui a0, 0x0040; |
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| 19 | mtc0 a0, COP0_STATUS |
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| 20 | la a0, 0x7fffffff |
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| 21 | li a1, 0x02 |
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| 22 | add a0, a0, a1 |
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| 23 | EXIT(2) |
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| 24 | |
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| 25 | .globl excep |
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| 26 | excep: |
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| 27 | .set noreorder |
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| 28 | PRINT(statusstr) |
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| 29 | mfc0 a0, COP0_STATUS |
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| 30 | PRINTX |
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| 31 | |
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| 32 | PRINT(causestr) |
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| 33 | mfc0 a0, COP0_CAUSE |
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| 34 | PRINTX |
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| 35 | |
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| 36 | PRINT(pcstr) |
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| 37 | mfc0 a0, COP0_EXPC |
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| 38 | PRINTX |
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| 39 | |
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| 40 | PRINT(badvastr) |
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| 41 | mfc0 a0, COP_0_BADVADDR |
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| 42 | PRINTX |
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| 43 | PUTCHAR('\n') |
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| 44 | #we should end there |
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| 45 | EXIT(0) |
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| 46 | |
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| 47 | .rodata: |
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| 48 | statusstr: .ascii "status \0" |
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| 49 | causestr: .ascii " cause \0" |
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| 50 | pcstr: .ascii " pc \0" |
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| 51 | badvastr: .ascii " badva \0" |
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| 52 | startstr: .ascii "start\n\0" |
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| 53 | usrstr: .ascii "usrmode\n\0" |
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| 54 | |
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| 55 | .org EXCEP_ADDRESS - BOOT_ADDRESS |
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| 56 | .globl evect |
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| 57 | evect: |
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| 58 | j excep |
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| 59 | nop |
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| 60 | .data |
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| 61 | .word MAGIC1 |
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| 62 | testval: |
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| 63 | .word MAGIC2 |
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