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| author | Avi Kivity <avi@redhat.com> | 2010-08-18 19:25:25 +0400 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 12:51:12 +0400 |
| commit | f3a1b9f49647133e8c6eb6a68399ed8dbd61554a (patch) | |
| tree | 7535212f90ac78a2695d998d1e27150a768ab277 /arch/x86/kvm/emulate.c | |
| parent | 40ece7c7297da90e54e147d3bfbb4531f9fbc570 (diff) | |
| download | linux-f3a1b9f49647133e8c6eb6a68399ed8dbd61554a.tar.xz | |
KVM: x86 emulator: implement IMUL REG, R/M, imm8 (opcode 6B)
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 9e58f5054c39..618386f80518 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2264,6 +2264,15 @@ static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt) 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; + emulate_2op_SrcV_nobyte("imul", c->src, c->dst, ctxt->eflags); + return X86EMUL_CONTINUE; +} + #define D(_y) { .flags = (_y) } #define N D(0) #define G(_f, _g) { .flags = ((_f) | Group), .u.group = (_g) } @@ -2371,7 +2380,8 @@ static struct opcode opcode_table[256] = { N, N, N, N, /* 0x68 - 0x6F */ I(SrcImm | Mov | Stack, em_push), N, - I(SrcImmByte | Mov | Stack, em_push), N, + I(SrcImmByte | Mov | Stack, em_push), + I(DstReg | SrcMem | ModRM | Src2ImmByte, em_imul_3op), D(DstDI | ByteOp | Mov | String), D(DstDI | Mov | String), /* insb, insw/insd */ D(SrcSI | ByteOp | ImplicitOps | String), D(SrcSI | ImplicitOps | String), /* outsb, outsw/outsd */ /* 0x70 - 0x7F */ |