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Commit a5f868bd authored by Gleb Natapov's avatar Gleb Natapov Committed by Avi Kivity
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KVM: x86 emulator: Add decoding of 16bit second immediate argument 



Such as segment number in lcall/ljmp

Signed-off-by: default avatarGleb Natapov <gleb@redhat.com>
Signed-off-by: default avatarAvi Kivity <avi@redhat.com>
parent c2d0ee46

arch/x86/kvm/x86_emulate.c

+7 −0
Original line number Diff line number Diff line
@@ -76,6 +76,7 @@ 
#define Src2CL      (1<<29)

#define Src2ImmByte (2<<29)

#define Src2One     (3<<29)

#define Src2Imm16   (4<<29)

#define Src2Mask    (7<<29)



enum {
@@ -1072,6 +1073,12 @@ x86_decode_insn(struct x86_emulate_ctxt *ctxt, struct x86_emulate_ops *ops) 
		c->src2.bytes = 1;

		c->src2.val = insn_fetch(u8, 1, c->eip);

		break;

	case Src2Imm16:

		c->src2.type = OP_IMM;

		c->src2.ptr = (unsigned long *)c->eip;

		c->src2.bytes = 2;

		c->src2.val = insn_fetch(u16, 2, c->eip);

		break;

	case Src2One:

		c->src2.bytes = 1;

		c->src2.val = 1;