|
Last change
on this file since 639 was
232,
checked in by alain, 13 years ago
|
|
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)
|
|
File size:
946 bytes
|
| Line | |
|---|
| 1 | /* |
|---|
| 2 | * arithmetic overflow test: check that a add can generates an exception |
|---|
| 3 | */ |
|---|
| 4 | #include <registers.h> |
|---|
| 5 | #include <misc.h> |
|---|
| 6 | |
|---|
| 7 | .text |
|---|
| 8 | .globl _start |
|---|
| 9 | _start: |
|---|
| 10 | .set noreorder |
|---|
| 11 | la k0, TTY_BASE |
|---|
| 12 | la k1, EXIT_BASE |
|---|
| 13 | la sp, 0x00400000 - 16 |
|---|
| 14 | |
|---|
| 15 | PRINT(startstr) |
|---|
| 16 | |
|---|
| 17 | /* reset cop0 status (keep BEV) */ |
|---|
| 18 | lui a0, 0x0040; |
|---|
| 19 | mtc0 a0, COP0_STATUS |
|---|
| 20 | la a0, 0x7fffffff |
|---|
| 21 | li a1, 0x02 |
|---|
| 22 | add a0, a0, a1 |
|---|
| 23 | EXIT(2) |
|---|
| 24 | |
|---|
| 25 | .globl excep |
|---|
| 26 | excep: |
|---|
| 27 | .set noreorder |
|---|
| 28 | PRINT(statusstr) |
|---|
| 29 | mfc0 a0, COP0_STATUS |
|---|
| 30 | PRINTX |
|---|
| 31 | |
|---|
| 32 | PRINT(causestr) |
|---|
| 33 | mfc0 a0, COP0_CAUSE |
|---|
| 34 | PRINTX |
|---|
| 35 | |
|---|
| 36 | PRINT(pcstr) |
|---|
| 37 | mfc0 a0, COP0_EXPC |
|---|
| 38 | PRINTX |
|---|
| 39 | |
|---|
| 40 | PRINT(badvastr) |
|---|
| 41 | mfc0 a0, COP_0_BADVADDR |
|---|
| 42 | PRINTX |
|---|
| 43 | PUTCHAR('\n') |
|---|
| 44 | #we should end there |
|---|
| 45 | EXIT(0) |
|---|
| 46 | |
|---|
| 47 | .rodata: |
|---|
| 48 | statusstr: .ascii "status \0" |
|---|
| 49 | causestr: .ascii " cause \0" |
|---|
| 50 | pcstr: .ascii " pc \0" |
|---|
| 51 | badvastr: .ascii " badva \0" |
|---|
| 52 | startstr: .ascii "start\n\0" |
|---|
| 53 | usrstr: .ascii "usrmode\n\0" |
|---|
| 54 | |
|---|
| 55 | .org EXCEP_ADDRESS - BOOT_ADDRESS |
|---|
| 56 | .globl evect |
|---|
| 57 | evect: |
|---|
| 58 | j excep |
|---|
| 59 | nop |
|---|
| 60 | .data |
|---|
| 61 | .word MAGIC1 |
|---|
| 62 | testval: |
|---|
| 63 | .word MAGIC2 |
|---|
Note: See
TracBrowser
for help on using the repository browser.
