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| author | Avi Kivity <avi@redhat.com> | 2010-08-18 18:31:43 +0300 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:12 +0200 |
| commit | 5c82aa29988c0160d91f75cceebd0a07d8f2406b (patch) | |
| tree | 53de17b33ca061ce4ba256a48c960b18f3fa3e01 /arch | |
| parent | f3a1b9f49647133e8c6eb6a68399ed8dbd61554a (diff) | |
| download | linux-rt-5c82aa29988c0160d91f75cceebd0a07d8f2406b.tar.gz | |
KVM: x86 emulator: implement IMUL REG, R/M (opcode 0F AF)
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 618386f80518..a4d2a469b4ab 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2264,15 +2264,22 @@ static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } -static int em_imul_3op(struct x86_emulate_ctxt *ctxt) +static int em_imul(struct x86_emulate_ctxt *ctxt) { struct decode_cache *c = &ctxt->decode; - c->dst.val = c->src2.val; emulate_2op_SrcV_nobyte("imul", c->src, c->dst, ctxt->eflags); return X86EMUL_CONTINUE; } +static int em_imul_3op(struct x86_emulate_ctxt *ctxt) +{ + struct decode_cache *c = &ctxt->decode; + + c->dst.val = c->src2.val; + return em_imul(ctxt); +} + #define D(_y) { .flags = (_y) } #define N D(0) #define G(_f, _g) { .flags = ((_f) | Group), .u.group = (_g) } @@ -2488,7 +2495,7 @@ static struct opcode twobyte_table[256] = { N, D(DstMem | SrcReg | ModRM | BitOp | Lock), D(DstMem | SrcReg | Src2ImmByte | ModRM), D(DstMem | SrcReg | Src2CL | ModRM), - D(ModRM), N, + D(ModRM), I(DstReg | SrcMem | ModRM, em_imul), /* 0xB0 - 0xB7 */ D(ByteOp | DstMem | SrcReg | ModRM | Lock), D(DstMem | SrcReg | ModRM | Lock), N, D(DstMem | SrcReg | ModRM | BitOp | Lock), |