KVM: x86 emulator: implement movdqu instruction (f3 0f 6f, f3 0f 7f) (aa97bb48) · Commits · e / devices / android_kernel_fairphone_FP5

arch/x86/kvm/emulate.c

+21 −2

Original line number	Diff line number	Diff line
		@@ -2415,11 +2415,19 @@ static int em_mov(struct x86_emulate_ctxt *ctxt)
		return X86EMUL_CONTINUE;
		}

		static int em_movdqu(struct x86_emulate_ctxt *ctxt)
		{
		struct decode_cache *c = &ctxt->decode;
		memcpy(&c->dst.vec_val, &c->src.vec_val, c->op_bytes);
		return X86EMUL_CONTINUE;
		}

		#define D(_y) { .flags = (_y) }
		#define N D(0)
		#define G(_f, _g) { .flags = ((_f) \| Group), .u.group = (_g) }
		#define GD(_f, _g) { .flags = ((_f) \| Group \| GroupDual), .u.gdual = (_g) }
		#define I(_f, _e) { .flags = (_f), .u.execute = (_e) }
		#define GP(_f, _g) { .flags = ((_f) \| Prefix), .u.gprefix = (_g) }

		#define D2bv(_f) D((_f) \| ByteOp), D(_f)
		#define I2bv(_f, _e) I((_f) \| ByteOp, _e), I(_f, _e)
		@@ -2484,6 +2492,10 @@ static struct opcode group11[] = {
		I(DstMem \| SrcImm \| ModRM \| Mov, em_mov), X7(D(Undefined)),
		};

		static struct gprefix pfx_0f_6f_0f_7f = {
		N, N, N, I(Sse, em_movdqu),
		};

		static struct opcode opcode_table[256] = {
		/* 0x00 - 0x07 */
		D6ALU(Lock),
		@@ -2608,9 +2620,15 @@ static struct opcode twobyte_table[256] = {
		/* 0x50 - 0x5F */
		N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N,
		/* 0x60 - 0x6F */
		N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N,
		N, N, N, N,
		N, N, N, N,
		N, N, N, N,
		N, N, N, GP(SrcMem \| DstReg \| ModRM \| Mov, &pfx_0f_6f_0f_7f),
		/* 0x70 - 0x7F */
		N, N, N, N, N, N, N, N, N, N, N, N, N, N, N, N,
		N, N, N, N,
		N, N, N, N,
		N, N, N, N,
		N, N, N, GP(SrcReg \| DstMem \| ModRM \| Mov, &pfx_0f_6f_0f_7f),
		/* 0x80 - 0x8F */
		X16(D(SrcImm)),
		/* 0x90 - 0x9F */
		@@ -2654,6 +2672,7 @@ static struct opcode twobyte_table[256] = {
		#undef G
		#undef GD
		#undef I
		#undef GP

		#undef D2bv
		#undef I2bv