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| author | Ingo Molnar <mingo@elte.hu> | 2008-08-15 07:57:32 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-15 07:57:32 -0400 |
| commit | 975439fe73d1f0f7ce8c235c66783bd34dc459c3 (patch) | |
| tree | 84e29852d96283b13c6e603f86bd506a631343c5 /arch/sparc64/lib/mcount.S | |
| parent | ef31023743e66de7184e9aad432291c842a6384b (diff) | |
| parent | 129d6aba444d1e99d4cbfb9866a4652912426b65 (diff) | |
Merge branch 'x86/amd-iommu' into x86/urgent
Diffstat (limited to 'arch/sparc64/lib/mcount.S')
| -rw-r--r-- | arch/sparc64/lib/mcount.S | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/arch/sparc64/lib/mcount.S b/arch/sparc64/lib/mcount.S index 7735a7a60533..fad90ddb3a28 100644 --- a/arch/sparc64/lib/mcount.S +++ b/arch/sparc64/lib/mcount.S | |||
| @@ -48,12 +48,45 @@ mcount: | |||
| 48 | sub %g3, STACK_BIAS, %g3 | 48 | sub %g3, STACK_BIAS, %g3 |
| 49 | cmp %sp, %g3 | 49 | cmp %sp, %g3 |
| 50 | bg,pt %xcc, 1f | 50 | bg,pt %xcc, 1f |
| 51 | sethi %hi(panicstring), %g3 | 51 | nop |
| 52 | lduh [%g6 + TI_CPU], %g1 | ||
| 53 | sethi %hi(hardirq_stack), %g3 | ||
| 54 | or %g3, %lo(hardirq_stack), %g3 | ||
| 55 | sllx %g1, 3, %g1 | ||
| 56 | ldx [%g3 + %g1], %g7 | ||
| 57 | sub %g7, STACK_BIAS, %g7 | ||
| 58 | cmp %sp, %g7 | ||
| 59 | bleu,pt %xcc, 2f | ||
| 60 | sethi %hi(THREAD_SIZE), %g3 | ||
| 61 | add %g7, %g3, %g7 | ||
| 62 | cmp %sp, %g7 | ||
| 63 | blu,pn %xcc, 1f | ||
| 64 | 2: sethi %hi(softirq_stack), %g3 | ||
| 65 | or %g3, %lo(softirq_stack), %g3 | ||
| 66 | ldx [%g3 + %g1], %g7 | ||
| 67 | cmp %sp, %g7 | ||
| 68 | bleu,pt %xcc, 2f | ||
| 69 | sethi %hi(THREAD_SIZE), %g3 | ||
| 70 | add %g7, %g3, %g7 | ||
| 71 | cmp %sp, %g7 | ||
| 72 | blu,pn %xcc, 1f | ||
| 73 | nop | ||
| 74 | /* If we are already on ovstack, don't hop onto it | ||
| 75 | * again, we are already trying to output the stack overflow | ||
| 76 | * message. | ||
| 77 | */ | ||
| 52 | sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough | 78 | sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough |
| 53 | or %g7, %lo(ovstack), %g7 | 79 | or %g7, %lo(ovstack), %g7 |
| 54 | add %g7, OVSTACKSIZE, %g7 | 80 | add %g7, OVSTACKSIZE, %g3 |
| 81 | sub %g3, STACK_BIAS + 192, %g3 | ||
| 55 | sub %g7, STACK_BIAS, %g7 | 82 | sub %g7, STACK_BIAS, %g7 |
| 56 | mov %g7, %sp | 83 | cmp %sp, %g7 |
| 84 | blu,pn %xcc, 2f | ||
| 85 | cmp %sp, %g3 | ||
| 86 | bleu,pn %xcc, 1f | ||
| 87 | nop | ||
| 88 | 2: mov %g3, %sp | ||
| 89 | sethi %hi(panicstring), %g3 | ||
| 57 | call prom_printf | 90 | call prom_printf |
| 58 | or %g3, %lo(panicstring), %o0 | 91 | or %g3, %lo(panicstring), %o0 |
| 59 | call prom_halt | 92 | call prom_halt |