| From | Avi Kivity <> | Subject | [PATCH 095/104] KVM: x86 emulator: pushf | Date | Mon, 17 Sep 2007 10:32:17 +0200 |
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From: Nitin A Kamble <nitin.a.kamble@intel.com>
Implement emulation of instruction pushf opcode: 0x9c
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com> --- drivers/kvm/x86_emulate.c | 11 +++++++++-- 1 files changed, 9 insertions(+), 2 deletions(-)
diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c index 9f1772f..18c2b2c 100644 --- a/drivers/kvm/x86_emulate.c +++ b/drivers/kvm/x86_emulate.c @@ -123,7 +123,7 @@ static u8 opcode_table[256] = { ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov, 0, 0, 0, DstMem | SrcNone | ModRM | Mov, /* 0x90 - 0x9F */ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps, 0, 0, 0, /* 0xA0 - 0xA7 */ ByteOp | DstReg | SrcMem | Mov, DstReg | SrcMem | Mov, ByteOp | DstMem | SrcReg | Mov, DstMem | SrcReg | Mov, @@ -928,7 +928,8 @@ push: dst.bytes = op_bytes; dst.val = src.val; register_address_increment(_regs[VCPU_REGS_RSP], -op_bytes); - dst.ptr = register_address(ctxt->ss_base, _regs[VCPU_REGS_RSP]); + dst.ptr = (void *) register_address(ctxt->ss_base, + _regs[VCPU_REGS_RSP]); break; case 0x80 ... 0x83: /* Grp1 */ switch (modrm_reg) { @@ -1216,6 +1217,12 @@ special_insn: ) == 0) return -1; return 0; + + case 0x9c: /* pushf */ + src.val = (unsigned long) _eflags; + goto push; + break; + } if (rep_prefix) { if (_regs[VCPU_REGS_RCX] == 0) { -- 1.5.3 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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