Used to write to framebuffers (by at least Icaros).
Signed-off-by: Avi Kivity <avi@xxxxxxxxxx>
---
arch/x86/kvm/emulate.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index b160fb1f..fb39e0b 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -3440,6 +3440,10 @@ static int check_perm_out(struct x86_emulate_ctxt *ctxt)
N, I(Sse | Aligned, em_mov), N, I(Sse | Unaligned, em_mov),
};
+static struct gprefix pfx_vmovntpx = {
+ I(0, em_mov), N, N, N,
+};
+
static struct opcode opcode_table[256] = {
/* 0x00 - 0x07 */
I6ALU(Lock, em_add),
@@ -3571,7 +3575,8 @@ static int check_perm_out(struct x86_emulate_ctxt *ctxt)
IIP(ModRM | SrcMem | Priv | Op3264, em_cr_write, cr_write, check_cr_write),
IIP(ModRM | SrcMem | Priv | Op3264, em_dr_write, dr_write, check_dr_write),
N, N, N, N,
- N, N, N, N, N, N, N, N,
+ N, N, N, GP(ModRM | DstMem | SrcReg | Sse | Mov | Aligned, &pfx_vmovntpx),
+ N, N, N, N,
/* 0x30 - 0x3F */
II(ImplicitOps | Priv, em_wrmsr, wrmsr),
IIP(ImplicitOps, em_rdtsc, rdtsc, check_rdtsc),
--
1.7.10
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