KVM: x86 emulator: popf

Implement emulation of instruction:
    popf
    opcode:  0x9d

Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>

1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/kvm/x86_emulate.c b/drivers/kvm/x86_emulate.c
index 7360a71094f5..9737c3b2f48c 100644
--- a/drivers/kvm/x86_emulate.c
+++ b/drivers/kvm/x86_emulate.c
@@ -127,7 +127,7 @@ static u8 opcode_table[256] = {
         ByteOp | DstReg | SrcMem | ModRM | Mov, DstReg | SrcMem | ModRM | Mov,
         0, ModRM | DstReg, 0, DstMem | SrcNone | ModRM | Mov,
         /* 0x90 - 0x9F */
-        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps, 0, 0, 0,
+        0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, ImplicitOps, ImplicitOps, 0, 0,
         /* 0xA0 - 0xA7 */
         ByteOp | DstReg | SrcMem | Mov, DstReg | SrcMem | Mov,
         ByteOp | DstMem | SrcReg | Mov, DstMem | SrcReg | Mov,
@@ -1293,6 +1293,9 @@ special_insn:
         case 0x9c: /* pushf */
                 src.val =  (unsigned long) _eflags;
                 goto push;
+        case 0x9d: /* popf */
+                dst.ptr = (unsigned long *) &_eflags;
+                goto pop_instruction;
         case 0xc3: /* ret */
                 dst.ptr = &_eip;
                 goto pop_instruction;