From: Avi Kivity Subject: [PATCH 094/104] KVM: x86 emulator: call near Date: Mon, 17 Sep 2007 10:32:16 +0200 Message-ID: <11900179493946-git-send-email-avi@qumranet.com> References: <11900179463203-git-send-email-avi@qumranet.com> Cc: linux-kernel@vger.kernel.org, Nitin A Kamble To: kvm-devel@lists.sourceforge.net Return-path: In-Reply-To: <11900179463203-git-send-email-avi@qumranet.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org From: Nitin A Kamble 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 files changed, 21 insertions(+), 1 deletions(-) diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 4fc2da6..9f1772f 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); -- 1.5.3