diff options
Diffstat (limited to 'arch/powerpc/lib')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index e96cff845ef7..11f14b209d7f 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -3017,6 +3017,20 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, } + if (OP_IS_LOAD_STORE(op->type) && (op->type & UPDATE)) { + switch (GETTYPE(op->type)) { + case LOAD: + if (ra == rd) + goto unknown_opcode; + fallthrough; + case STORE: + case LOAD_FP: + case STORE_FP: + if (ra == 0) + goto unknown_opcode; + } + } + #ifdef CONFIG_VSX if ((GETTYPE(op->type) == LOAD_VSX || GETTYPE(op->type) == STORE_VSX) && |