diff options
Diffstat (limited to 'arch/powerpc/lib')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index f168ea006242..06dd61d8d48b 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -2865,7 +2865,8 @@ int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op) v32 = byterev_4(v32); regs->gpr[rd] = v32; ea += 4; - ++rd; + /* reg number wraps from 31 to 0 for lsw[ix] */ + rd = (rd + 1) & 0x1f; } break; @@ -2934,7 +2935,8 @@ int emulate_loadstore(struct pt_regs *regs, struct instruction_op *op) if (err) break; ea += 4; - ++rd; + /* reg number wraps from 31 to 0 for stsw[ix] */ + rd = (rd + 1) & 0x1f; } break; |