From f6eed39135c03d39ff4095b1ddd947672469dfee Mon Sep 17 00:00:00 2001 From: Nitin A Kamble Date: Tue, 28 Aug 2007 18:08:37 -0700 Subject: KVM: x86 emulator: call near Implement emulation of instruction opcode: 0xe8 call (near) Signed-off-by: Nitin A Kamble Signed-off-by: Avi Kivity --- drivers/kvm/x86_emulate.c | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'drivers/kvm/x86_emulate.c') diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 4fc2da6aae7..9f1772fd748 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -150,7 +150,7 @@ static u8 opcode_table[256] = { /* 0xE0 - 0xE7 */ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xE8 - 0xEF */ - 0, SrcImm|ImplicitOps, 0, SrcImmByte|ImplicitOps, 0, 0, 0, 0, + ImplicitOps, SrcImm|ImplicitOps, 0, SrcImmByte|ImplicitOps, 0, 0, 0, 0, /* 0xF0 - 0xF7 */ 0, 0, 0, 0, ImplicitOps, 0, @@ -1033,6 +1033,26 @@ push: case 0xd2 ... 0xd3: /* Grp2 */ src.val = _regs[VCPU_REGS_RCX]; goto grp2; + case 0xe8: /* call (near) */ { + long int rel; + switch (op_bytes) { + case 2: + rel = insn_fetch(s16, 2, _eip); + break; + case 4: + rel = insn_fetch(s32, 4, _eip); + break; + case 8: + rel = insn_fetch(s64, 8, _eip); + break; + default: + DPRINTF("Call: Invalid op_bytes\n"); + goto cannot_emulate; + } + src.val = (unsigned long) _eip; + JMP_REL(rel); + goto push; + } case 0xe9: /* jmp rel */ case 0xeb: /* jmp rel short */ JMP_REL(src.val); -- cgit v1.2.3-18-g5258