summaryrefslogtreecommitdiffstats
path: root/arch/x86/kvm/emulate.c
diff options
context:
space:
mode:
authorStefan Fritsch <sf@sfritsch.de>2018-04-01 17:54:44 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2018-04-04 17:52:46 +0200
commit29916968c48691c94be466a0b47cc9adcea9cb8d (patch)
treeccdc3ee4c81c1f50fead73ca95f30d20179754ef /arch/x86/kvm/emulate.c
parentKVM: VMX: raise internal error for exception during invalid protected mode state (diff)
downloadlinux-29916968c48691c94be466a0b47cc9adcea9cb8d.tar.xz
linux-29916968c48691c94be466a0b47cc9adcea9cb8d.zip
kvm: Add emulation for movups/movupd
This is very similar to the aligned versions movaps/movapd. We have seen the corresponding emulation failures with openbsd as guest and with Windows 10 with intel HD graphics pass through. Signed-off-by: Christian Ehrhardt <christian_ehrhardt@genua.de> Signed-off-by: Stefan Fritsch <sf@sfritsch.de> Reviewed-by: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/kvm/emulate.c')
-rw-r--r--arch/x86/kvm/emulate.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index dd88158a0eed..b3705ae52824 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -4517,6 +4517,10 @@ static const struct gprefix pfx_0f_2b = {
ID(0, &instr_dual_0f_2b), ID(0, &instr_dual_0f_2b), N, N,
};
+static const struct gprefix pfx_0f_10_0f_11 = {
+ I(Unaligned, em_mov), I(Unaligned, em_mov), N, N,
+};
+
static const struct gprefix pfx_0f_28_0f_29 = {
I(Aligned, em_mov), I(Aligned, em_mov), N, N,
};
@@ -4728,7 +4732,9 @@ static const struct opcode twobyte_table[256] = {
DI(ImplicitOps | Priv, invd), DI(ImplicitOps | Priv, wbinvd), N, N,
N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N,
/* 0x10 - 0x1F */
- N, N, N, N, N, N, N, N,
+ GP(ModRM | DstReg | SrcMem | Mov | Sse, &pfx_0f_10_0f_11),
+ GP(ModRM | DstMem | SrcReg | Mov | Sse, &pfx_0f_10_0f_11),
+ N, N, N, N, N, N,
D(ImplicitOps | ModRM | SrcMem | NoAccess),
N, N, N, N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess),
/* 0x20 - 0x2F */