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Commit 29916968 authored by Stefan Fritsch's avatar Stefan Fritsch Committed by Paolo Bonzini
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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: default avatarChristian Ehrhardt <christian_ehrhardt@genua.de>
Signed-off-by: default avatarStefan Fritsch <sf@sfritsch.de>
Reviewed-by: default avatarRadim Krčmář <rkrcmar@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent add5ff7a

arch/x86/kvm/emulate.c

+7 −1
Original line number Diff line number Diff line
@@ -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 */