diff options
| author | Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net> | 2008-05-27 15:13:28 +0200 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-07-20 12:42:28 +0300 |
| commit | 38d5bc6d50a4368be08b39b02efb9cbbe1dd60d0 (patch) | |
| tree | 96298c26d72f0a34ea6a370ff8af896eaf504315 /arch/x86/kvm/x86_emulate.c | |
| parent | 4257198ae2c36e030a0947fef661c8de973778be (diff) | |
KVM: x86 emulator: Add support for mov r, sreg (0x8c) instruction
Add support for mov r, sreg (0x8c) instruction
Signed-off-by: Guillaume Thouvenin <guillaume.thouvenin@ext.bull.net>
Signed-off-by: Laurent Vivier <laurent.vivier@bull.net>
Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/x86_emulate.c')
| -rw-r--r-- | arch/x86/kvm/x86_emulate.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c index b049b6bf9a71..2a9db4d90bac 100644 --- a/arch/x86/kvm/x86_emulate.c +++ b/arch/x86/kvm/x86_emulate.c @@ -138,7 +138,7 @@ static u16 opcode_table[256] = { /* 0x88 - 0x8F */ ByteOp | DstMem | SrcReg | ModRM | Mov, DstMem | SrcReg | ModRM | Mov, ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov, - 0, ModRM | DstReg, + DstMem | SrcReg | ModRM | Mov, ModRM | DstReg, DstReg | SrcMem | ModRM | Mov, Group | Group1A, /* 0x90 - 0x9F */ 0, 0, 0, 0, 0, 0, 0, 0, @@ -1518,6 +1518,19 @@ special_insn: break; case 0x88 ... 0x8b: /* mov */ goto mov; + case 0x8c: { /* mov r/m, sreg */ + struct kvm_segment segreg; + + if (c->modrm_reg <= 5) + kvm_get_segment(ctxt->vcpu, &segreg, c->modrm_reg); + else { + printk(KERN_INFO "0x8c: Invalid segreg in modrm byte 0x%02x\n", + c->modrm); + goto cannot_emulate; + } + c->dst.val = segreg.selector; + break; + } case 0x8d: /* lea r16/r32, m */ c->dst.val = c->modrm_ea; break; |