diff options
Diffstat (limited to 'arch/powerpc/kernel/align.c')
| -rw-r--r-- | arch/powerpc/kernel/align.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/align.c b/arch/powerpc/kernel/align.c index 92045ed64976..1f1ce8b86d5b 100644 --- a/arch/powerpc/kernel/align.c +++ b/arch/powerpc/kernel/align.c @@ -24,6 +24,7 @@ #include <asm/disassemble.h> #include <asm/cpu_has_feature.h> #include <asm/sstep.h> +#include <asm/inst.h> struct aligninfo { unsigned char len; @@ -104,7 +105,7 @@ static struct aligninfo spe_aligninfo[32] = { * so we don't need the address swizzling. */ static int emulate_spe(struct pt_regs *regs, unsigned int reg, - unsigned int instr) + struct ppc_inst ppc_instr) { int ret; union { @@ -115,8 +116,9 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg, } data, temp; unsigned char __user *p, *addr; unsigned long *evr = ¤t->thread.evr[reg]; - unsigned int nb, flags; + unsigned int nb, flags, instr; + instr = ppc_inst_val(ppc_instr); instr = (instr >> 1) & 0x1f; /* DAR has the operand effective address */ @@ -293,7 +295,7 @@ static int emulate_spe(struct pt_regs *regs, unsigned int reg, int fix_alignment(struct pt_regs *regs) { - unsigned int instr; + struct ppc_inst instr; struct instruction_op op; int r, type; @@ -303,18 +305,18 @@ int fix_alignment(struct pt_regs *regs) */ CHECK_FULL_REGS(regs); - if (unlikely(__get_user(instr, (unsigned int __user *)regs->nip))) + if (unlikely(__get_user_instr(instr, (void __user *)regs->nip))) return -EFAULT; if ((regs->msr & MSR_LE) != (MSR_KERNEL & MSR_LE)) { /* We don't handle PPC little-endian any more... */ if (cpu_has_feature(CPU_FTR_PPC_LE)) return -EIO; - instr = swab32(instr); + instr = ppc_inst_swab(instr); } #ifdef CONFIG_SPE - if ((instr >> 26) == 0x4) { - int reg = (instr >> 21) & 0x1f; + if (ppc_inst_primary_opcode(instr) == 0x4) { + int reg = (ppc_inst_val(instr) >> 21) & 0x1f; PPC_WARN_ALIGNMENT(spe, regs); return emulate_spe(regs, reg, instr); } @@ -331,7 +333,7 @@ int fix_alignment(struct pt_regs *regs) * when pasting to a co-processor. Furthermore, paste_last is the * synchronisation point for preceding copy/paste sequences. */ - if ((instr & 0xfc0006fe) == (PPC_INST_COPY & 0xfc0006fe)) + if ((ppc_inst_val(instr) & 0xfc0006fe) == (PPC_INST_COPY & 0xfc0006fe)) return -EIO; r = analyse_instr(&op, regs, instr); |