KVM: x86 emulator: implement IMUL REG, R/M, imm8 (opcode 6B) (f3a1b9f4) · Commits · e / devices / android_kernel_fairphone_FP5

arch/x86/kvm/emulate.c

+11 −1

Original line number	Diff line number	Diff line
		@@ -2264,6 +2264,15 @@ static int em_ret_near_imm(struct x86_emulate_ctxt *ctxt)
		return X86EMUL_CONTINUE;
		}

		static int em_imul_3op(struct x86_emulate_ctxt *ctxt)
		{
		struct decode_cache *c = &ctxt->decode;

		c->dst.val = c->src2.val;
		emulate_2op_SrcV_nobyte("imul", c->src, c->dst, ctxt->eflags);
		return X86EMUL_CONTINUE;
		}

		#define D(_y) { .flags = (_y) }
		#define N D(0)
		#define G(_f, _g) { .flags = ((_f) \| Group), .u.group = (_g) }
		@@ -2371,7 +2380,8 @@ static struct opcode opcode_table[256] = {
		N, N, N, N,
		/* 0x68 - 0x6F */
		I(SrcImm \| Mov \| Stack, em_push), N,
		I(SrcImmByte \| Mov \| Stack, em_push), N,
		I(SrcImmByte \| Mov \| Stack, em_push),
		I(DstReg \| SrcMem \| ModRM \| Src2ImmByte, em_imul_3op),
		D(DstDI \| ByteOp \| Mov \| String), D(DstDI \| Mov \| String), /* insb, insw/insd */
		D(SrcSI \| ByteOp \| ImplicitOps \| String), D(SrcSI \| ImplicitOps \| String), /* outsb, outsw/outsd */
		/* 0x70 - 0x7F */