diff options
Diffstat (limited to 'arch/ppc/kernel/align.c')
| -rw-r--r-- | arch/ppc/kernel/align.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/arch/ppc/kernel/align.c b/arch/ppc/kernel/align.c index 5b7366adc..cfa2fe0aa 100644 --- a/arch/ppc/kernel/align.c +++ b/arch/ppc/kernel/align.c @@ -21,7 +21,7 @@ struct aligninfo { unsigned char flags; }; -#if defined(CONFIG_4xx) +#if defined(CONFIG_4xx) || defined(CONFIG_POWER4) #define OPCD(inst) (((inst) & 0xFC000000) >> 26) #define RS(inst) (((inst) & 0x03E00000) >> 21) #define RA(inst) (((inst) & 0x001F0000) >> 16) @@ -184,7 +184,7 @@ int fix_alignment(struct pt_regs *regs) { int instr, nb, flags; -#if defined(CONFIG_4xx) +#if defined(CONFIG_4xx) || defined(CONFIG_POWER4) int opcode, f1, f2, f3; #endif int i, t; @@ -197,9 +197,11 @@ fix_alignment(struct pt_regs *regs) unsigned char v[8]; } data; -#if defined(CONFIG_4xx) +#if defined(CONFIG_4xx) || defined(CONFIG_POWER4) /* The 4xx-family processors have no DSISR register, * so we emulate it. + * The POWER4 has a DSISR register but doesn't set it on + * an alignment fault. -- paulus */ instr = *((unsigned int *)regs->nip); |