From aa97bb4891b1f1b35e7abef8d1e2bbd3dda07159 Mon Sep 17 00:00:00 2001 From: Avi Kivity Date: Wed, 20 Jan 2010 18:09:23 +0200 Subject: [PATCH] KVM: x86 emulator: implement movdqu instruction (f3 0f 6f, f3 0f 7f) Signed-off-by: Avi Kivity --- arch/x86/kvm/emulate.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 4e11102..2b6c24e 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 -- 2.7.4