Opcode 9F. Signed-off-by: Avi Kivity <avi@xxxxxxxxxx> --- arch/x86/kvm/emulate.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 46bbc9d..f23f504 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3218,6 +3218,13 @@ static int em_cpuid(struct x86_emulate_ctxt *ctxt) return X86EMUL_CONTINUE; } +static int em_lahf(struct x86_emulate_ctxt *ctxt) +{ + ctxt->regs[VCPU_REGS_RAX] &= ~0xff00UL; + ctxt->regs[VCPU_REGS_RAX] |= (ctxt->eflags & 0xff) << 8; + return X86EMUL_CONTINUE; +} + static bool valid_cr(int nr) { switch (nr) { @@ -3613,7 +3620,7 @@ static int check_perm_out(struct x86_emulate_ctxt *ctxt) D(DstAcc | SrcNone), I(ImplicitOps | SrcAcc, em_cwd), I(SrcImmFAddr | No64, em_call_far), N, II(ImplicitOps | Stack, em_pushf, pushf), - II(ImplicitOps | Stack, em_popf, popf), N, N, + II(ImplicitOps | Stack, em_popf, popf), N, I(ImplicitOps, em_lahf), /* 0xA0 - 0xA7 */ I2bv(DstAcc | SrcMem | Mov | MemAbs, em_mov), I2bv(DstMem | SrcAcc | Mov | MemAbs | PageTable, em_mov), -- 1.7.10.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html