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kvm: Add emulation for movups/movupd

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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>
This commit is contained in:
Stefan Fritsch 2018-04-01 17:54:44 +02:00 committed by Paolo Bonzini
parent add5ff7a21
commit 29916968c4
1 changed files with 7 additions and 1 deletions
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8
arch/x86/kvm/emulate.c
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@ -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, 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 = { static const struct gprefix pfx_0f_28_0f_29 = {
I(Aligned, em_mov), I(Aligned, em_mov), N, N, 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, DI(ImplicitOps | Priv, invd), DI(ImplicitOps | Priv, wbinvd), N, N,
N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N,
/* 0x10 - 0x1F */ /* 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), D(ImplicitOps | ModRM | SrcMem | NoAccess),
N, N, N, N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess), N, N, N, N, N, N, D(ImplicitOps | ModRM | SrcMem | NoAccess),
/* 0x20 - 0x2F */ /* 0x20 - 0x2F */