diff options
Diffstat (limited to 'arch/x86/kvm')
-rw-r--r-- | arch/x86/kvm/emulate.c | 42 |
1 files changed, 18 insertions, 24 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 8bfa3e3aa71d..c0715ae05a54 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -2378,6 +2378,13 @@ static int em_rdtsc(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_mov(struct x86_emulate_ctxt *ctxt) +{ + struct decode_cache *c = &ctxt->decode; + c->dst.val = c->src.val; + return X86EMUL_CONTINUE; +} + #define D(_y) { .flags = (_y) } #define N D(0) #define G(_f, _g) { .flags = ((_f) | Group), .u.group = (_g) } @@ -2489,8 +2496,8 @@ static struct opcode opcode_table[256] = { G(DstMem | SrcImmByte | ModRM | Group, group1), D2bv(DstMem | SrcReg | ModRM), D2bv(DstMem | SrcReg | ModRM | Lock), /* 0x88 - 0x8F */ - D2bv(DstMem | SrcReg | ModRM | Mov), - D2bv(DstReg | SrcMem | ModRM | Mov), + I2bv(DstMem | SrcReg | ModRM | Mov, em_mov), + I2bv(DstReg | SrcMem | ModRM | Mov, em_mov), D(DstMem | SrcNone | ModRM | Mov), D(ModRM | SrcMem | NoAccess | DstReg), D(ImplicitOps | SrcMem16 | ModRM), G(0, group1A), /* 0x90 - 0x97 */ @@ -2500,24 +2507,25 @@ static struct opcode opcode_table[256] = { I(SrcImmFAddr | No64, em_call_far), N, D(ImplicitOps | Stack), D(ImplicitOps | Stack), N, N, /* 0xA0 - 0xA7 */ - D2bv(DstAcc | SrcMem | Mov | MemAbs), - D2bv(DstMem | SrcAcc | Mov | MemAbs), - D2bv(SrcSI | DstDI | Mov | String), D2bv(SrcSI | DstDI | String), + I2bv(DstAcc | SrcMem | Mov | MemAbs, em_mov), + I2bv(DstMem | SrcAcc | Mov | MemAbs, em_mov), + I2bv(SrcSI | DstDI | Mov | String, em_mov), + D2bv(SrcSI | DstDI | String), /* 0xA8 - 0xAF */ D2bv(DstAcc | SrcImm), - D2bv(SrcAcc | DstDI | Mov | String), - D2bv(SrcSI | DstAcc | Mov | String), + I2bv(SrcAcc | DstDI | Mov | String, em_mov), + I2bv(SrcSI | DstAcc | Mov | String, em_mov), D2bv(SrcAcc | DstDI | String), /* 0xB0 - 0xB7 */ - X8(D(ByteOp | DstReg | SrcImm | Mov)), + X8(I(ByteOp | DstReg | SrcImm | Mov, em_mov)), /* 0xB8 - 0xBF */ - X8(D(DstReg | SrcImm | Mov)), + X8(I(DstReg | SrcImm | Mov, em_mov)), /* 0xC0 - 0xC7 */ D2bv(DstMem | SrcImmByte | ModRM), I(ImplicitOps | Stack | SrcImmU16, em_ret_near_imm), D(ImplicitOps | Stack), D(DstReg | SrcMemFAddr | ModRM | No64), D(DstReg | SrcMemFAddr | ModRM | No64), - D2bv(DstMem | SrcImm | ModRM | Mov), + I2bv(DstMem | SrcImm | ModRM | Mov, em_mov), /* 0xC8 - 0xCF */ N, N, N, D(ImplicitOps | Stack), D(ImplicitOps), D(SrcImmByte), D(ImplicitOps | No64), D(ImplicitOps), @@ -3212,8 +3220,6 @@ special_insn: c->dst.val = c->src.orig_val; c->lock_prefix = 1; break; - case 0x88 ... 0x8b: /* mov */ - goto mov; case 0x8c: /* mov r/m, sreg */ if (c->modrm_reg > VCPU_SREG_GS) { emulate_ud(ctxt); @@ -3271,22 +3277,14 @@ special_insn: if (rc != X86EMUL_CONTINUE) goto done; break; - case 0xa0 ... 0xa3: /* mov */ - case 0xa4 ... 0xa5: /* movs */ - goto mov; case 0xa6 ... 0xa7: /* cmps */ c->dst.type = OP_NONE; /* Disable writeback. */ DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.addr.mem, c->dst.addr.mem); goto cmp; case 0xa8 ... 0xa9: /* test ax, imm */ goto test; - case 0xaa ... 0xab: /* stos */ - case 0xac ... 0xad: /* lods */ - goto mov; case 0xae ... 0xaf: /* scas */ goto cmp; - case 0xb0 ... 0xbf: /* mov r, imm */ - goto mov; case 0xc0 ... 0xc1: emulate_grp2(ctxt); break; @@ -3305,10 +3303,6 @@ special_insn: if (rc != X86EMUL_CONTINUE) goto done; break; - case 0xc6 ... 0xc7: /* mov (sole member of Grp11) */ - mov: - c->dst.val = c->src.val; - break; case 0xcb: /* ret far */ rc = emulate_ret_far(ctxt, ops); if (rc != X86EMUL_CONTINUE) |