Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/emulate.c | 23 +++++++++++++++++++++--
1 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 7b7d96a..bfb34af 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -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
--
1.7.1
--
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