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OpenCloudOS-Kernel
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KVM: x86 emulator: Complete decoding of call near in decode stage 

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
This commit is contained in:
Gleb Natapov 2009-04-12 13:36:36 +03:00 committed by Avi Kivity
parent b2833e3cde
commit d53c4777b3
1 changed files with 2 additions and 13 deletions
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15
arch/x86/kvm/x86_emulate.c
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@ -192,7 +192,7 @@ static u32 opcode_table[256] = {
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
/* 0xE8 - 0xEF */
ImplicitOps | Stack, SrcImm | ImplicitOps,
SrcImm | Stack, SrcImm | ImplicitOps,
SrcImm | Src2Imm16, SrcImmByte | ImplicitOps,
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
SrcNone | ByteOp | ImplicitOps, SrcNone | ImplicitOps,
@ -1781,18 +1781,7 @@ special_insn:
io_dir_in = 0;
goto do_io;
case 0xe8: /* call (near) */ {
long int rel;
switch (c->op_bytes) {
case 2:
rel = insn_fetch(s16, 2, c->eip);
break;
case 4:
rel = insn_fetch(s32, 4, c->eip);
break;
default:
DPRINTF("Call: Invalid op_bytes\n");
goto cannot_emulate;
}
long int rel = c->src.val;
c->src.val = (unsigned long) c->eip;
jmp_rel(c, rel);
emulate_push(ctxt);