diff options
Diffstat (limited to 'arch/sparc64')
-rw-r--r-- | arch/sparc64/lib/mcount.S | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/arch/sparc64/lib/mcount.S b/arch/sparc64/lib/mcount.S index 7735a7a60533..734caf0cec09 100644 --- a/arch/sparc64/lib/mcount.S +++ b/arch/sparc64/lib/mcount.S | |||
@@ -48,12 +48,23 @@ 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 | /* If we are already on ovstack, don't hop onto it | ||
53 | * again, we are already trying to output the stack overflow | ||
54 | * message. | ||
55 | */ | ||
52 | sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough | 56 | sethi %hi(ovstack), %g7 ! cant move to panic stack fast enough |
53 | or %g7, %lo(ovstack), %g7 | 57 | or %g7, %lo(ovstack), %g7 |
54 | add %g7, OVSTACKSIZE, %g7 | 58 | add %g7, OVSTACKSIZE, %g3 |
59 | sub %g3, STACK_BIAS + 192, %g3 | ||
55 | sub %g7, STACK_BIAS, %g7 | 60 | sub %g7, STACK_BIAS, %g7 |
56 | mov %g7, %sp | 61 | cmp %sp, %g7 |
62 | blu,pn %xcc, 2f | ||
63 | cmp %sp, %g3 | ||
64 | bleu,pn %xcc, 1f | ||
65 | nop | ||
66 | 2: mov %g3, %sp | ||
67 | sethi %hi(panicstring), %g3 | ||
57 | call prom_printf | 68 | call prom_printf |
58 | or %g3, %lo(panicstring), %o0 | 69 | or %g3, %lo(panicstring), %o0 |
59 | call prom_halt | 70 | call prom_halt |