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Subject[PATCH 26/46] KVM: x86 emulator: Complete decoding of call near in decode stage
Date
From: Gleb Natapov <gleb@redhat.com>

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
arch/x86/kvm/x86_emulate.c | 15 ++-------------
1 files changed, 2 insertions(+), 13 deletions(-)

diff --git a/arch/x86/kvm/x86_emulate.c b/arch/x86/kvm/x86_emulate.c
index 14b8ee2..4a9cd4c 100644
--- a/arch/x86/kvm/x86_emulate.c
+++ b/arch/x86/kvm/x86_emulate.c
@@ -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);
--
1.6.0.6


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