diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/lib/sstep.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c index 6549baa2ec03..5abe98216dc2 100644 --- a/arch/powerpc/lib/sstep.c +++ b/arch/powerpc/lib/sstep.c @@ -1338,6 +1338,26 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs, switch (opcode) { #ifdef __powerpc64__ + case 1: + prefix_r = word & (1ul << 20); + ra = (suffix >> 16) & 0x1f; + rd = (suffix >> 21) & 0x1f; + op->reg = rd; + op->val = regs->gpr[rd]; + suffixopcode = get_op(suffix); + prefixtype = (word >> 24) & 0x3; + switch (prefixtype) { + case 2: + if (prefix_r && ra) + return 0; + switch (suffixopcode) { + case 14: /* paddi */ + op->type = COMPUTE | PREFIXED; + op->val = mlsd_8lsd_ea(word, suffix, regs); + goto compute_done; + } + } + break; case 2: /* tdi */ if (rd & trap_compare(regs->gpr[ra], (short) word)) goto trap; |