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authorMohammed Gamal <m.gamal005@gmail.com>2010-05-11 22:22:40 +0300
committerAvi Kivity <avi@redhat.com>2010-08-01 10:35:43 +0300
commitdfb507c41d0d12fc69820abb7f040d31fcf015fe (patch)
treed1340e151a7c3c9e783ffd59afe8e07971a94a94
parent24955b6c906045382b67f3e6beba7e5df4a4a045 (diff)
KVM: x86 emulator: Add test acc, imm instruction (opcodes 0xA8 - 0xA9)
This adds test acc, imm instruction to the x86 emulator Signed-off-by: Mohammed Gamal <m.gamal005@gmail.com> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
-rw-r--r--arch/x86/kvm/emulate.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b43ac98ef790..35dd57c5a7fd 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -181,7 +181,7 @@ static u32 opcode_table[256] = {
ByteOp | SrcSI | DstDI | Mov | String, SrcSI | DstDI | Mov | String,
ByteOp | SrcSI | DstDI | String, SrcSI | DstDI | String,
/* 0xA8 - 0xAF */
- 0, 0, ByteOp | DstDI | Mov | String, DstDI | Mov | String,
+ DstAcc | SrcImmByte | ByteOp, DstAcc | SrcImm, ByteOp | DstDI | Mov | String, DstDI | Mov | String,
ByteOp | SrcSI | DstAcc | Mov | String, SrcSI | DstAcc | Mov | String,
ByteOp | DstDI | String, DstDI | String,
/* 0xB0 - 0xB7 */
@@ -2754,6 +2754,7 @@ special_insn:
}
break;
case 0x84 ... 0x85:
+ test:
emulate_2op_SrcV("test", c->src, c->dst, ctxt->eflags);
break;
case 0x86 ... 0x87: /* xchg */
@@ -2852,6 +2853,8 @@ special_insn:
c->dst.type = OP_NONE; /* Disable writeback. */
DPRINTF("cmps: mem1=0x%p mem2=0x%p\n", c->src.ptr, c->dst.ptr);
goto cmp;
+ case 0xa8 ... 0xa9: /* test ax, imm */
+ goto test;
case 0xaa ... 0xab: /* stos */
c->dst.val = c->regs[VCPU_REGS_RAX];
break;

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