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[PATCH 101/104] KVM: x86 emulator: jmp abs

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To: <kvm-devel@...>
Cc: <linux-kernel@...>, Nitin A Kamble <nitin.a.kamble@...>
Date: Monday, September 17, 2007 - 4:32 am

From: Nitin A Kamble <nitin.a.kamble@intel.com>

Implement emulation of instruction:
    jump absolute r/m
    opcode: 0xff /4

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
 drivers/kvm/x86_emulate.c |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 4c78a4f..cf8db67 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -1148,6 +1148,12 @@ push:
 		case 1:	/* dec */
 			emulate_1op("dec", dst, _eflags);
 			break;
+		case 4: /* jmp abs */
+			if (b == 0xff)
+				_eip = dst.val;
+			else
+				goto cannot_emulate;
+			break;
 		case 6:	/* push */
 			/* 64-bit mode: PUSH always pushes a 64-bit operand. */
 			if (mode == X86EMUL_MODE_PROT64) {
-- 
1.5.3

-
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Messages in current thread:
git-send-email creates duplicate Message-Id's, Adrian Bunk, (Mon Sep 17, 11:59 am)
Re: git-send-email creates duplicate Message-Id's, Junio C Hamano, (Mon Sep 17, 4:22 pm)
Re: git-send-email creates duplicate Message-Id's, Matti Aarnio, (Mon Sep 17, 4:47 pm)
[PATCH 023/104] KVM: load_pdptrs() cleanups, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 029/104] KVM: Convert vm lock to a mutex, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 036/104] KVM: Remove kvm_{read,write}_guest(), Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 046/104] KVM: Remove stat_set from debugfs, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 031/104] KVM: VMX: pass vcpu_vmx internally, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 074/104] KVM: pending irq save/restore, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 085/104] KVM: Keep control regs in sync, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 093/104] KVM: x86 emulator: push imm8, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 094/104] KVM: x86 emulator: call near, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 095/104] KVM: x86 emulator: pushf, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 103/104] KVM: x86 emulator: popf, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 100/104] KVM: x86 emulator: lea, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 101/104] KVM: x86 emulator: jmp abs, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 087/104] KVM: Simplify memory allocation, Avi Kivity, (Mon Sep 17, 4:32 am)
[PATCH 066/104] KVM: Emulate local APIC in kernel, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 061/104] KVM: Support more memory slots, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 067/104] KVM: In-kernel I/O APIC model, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 068/104] KVM: Emulate hlt in the kernel, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 025/104] KVM: Dynamically allocate vcpus, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 053/104] KVM: Clean up kvm_setup_pio(), Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 051/104] KVM: Remove useless assignment, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 033/104] KVM: SVM: de-containization, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 040/104] KVM: VMX: Add cpu consistency check, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 042/104] KVM: Cleanup mark_page_dirty, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 032/104] KVM: Remove three magic numbers, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 027/104] KVM: add hypercall nr to kvm_run, Avi Kivity, (Mon Sep 17, 4:31 am)
[PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Avi Kivity, (Mon Sep 17, 4:30 am)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Christoph Hellwig, (Mon Sep 17, 5:13 am)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Avi Kivity, (Mon Sep 17, 5:15 am)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Avi Kivity, (Mon Sep 17, 5:18 am)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Nick Piggin, (Sun Sep 16, 5:29 pm)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Avi Kivity, (Mon Sep 17, 2:19 pm)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Nick Piggin, (Mon Sep 17, 1:17 pm)
Re: [PATCH 001/104] KVM: Fix *nopage() in kvm_main.c, Avi Kivity, (Tue Sep 18, 6:44 am)
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