From: Nitin A Kamble <nitin.a.kamble@intel.com>
Implement emulation of instruction
opcode: 0xe8
call (near)
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
---
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
-
| Adrian Bunk | Re: Linux 2.6.21 |
| Linus Torvalds | Linux 2.6.21-rc2 |
| WANG Cong | [-mm Patch] UML: fix a building error |
| Roland McGrath | Re: [PATCH 0/5] ftrace: to kill a daemon |
git: | |
| Natalie Protasevich | [BUG] New Kernel Bugs |
| David Miller | Re: [PATCH] pkt_sched: Destroy gen estimators under rtnl_lock(). |
| Patrick McHardy | Re: [PATCH] netfilter: use per-cpu spinlock rather than RCU (v3) |
| Gerrit Renker | [PATCH 27/37] dccp: Integration of dynamic feature activation - part 2 (server side) |
| Theodore Ts'o | Re: cc1 fails silently |
| Michael Nolan | Power routines on notebook cause kernel panic |
| Marc Peters | v 0.11 boot disk problem |
| Dave `geek' Gymer | WARNING (was Re: New afio release) |
