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| author |   Stefan Fritsch <sf@sfritsch.de> | 2018-04-01 17:54:44 +0200 |
|---|---|---|
| committer |   Paolo Bonzini <pbonzini@redhat.com> | 2018-04-04 17:52:46 +0200 |
| commit | 29916968c48691c94be466a0b47cc9adcea9cb8d (patch) | |
| tree | ccdc3ee4c81c1f50fead73ca95f30d20179754ef /arch/x86/kvm | |
| parent | KVM: VMX: raise internal error for exception during invalid protected mode state (diff) | |
| download | linux-dev-29916968c48691c94be466a0b47cc9adcea9cb8d.tar.xz linux-dev-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')
| -rw-r--r-- | arch/x86/kvm/emulate.c | 8 |
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 */ |