Re: [Qemu-ppc] [RFC PATCH 07/17] KVM: PPC: e500: Mask ea's high 32-bits in 32/64 instr emulation
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From: Alexander Graf <hidden>
Date: 2012-07-04 14:01:02
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kvm
On 25.06.2012, at 14:26, Mihai Caraman wrote:
Mask high 32 bits of effective address in emulation layer, for guests =
running
in 32-bit mode. MAS2's high-order 32 bits represents the upper 32 bits of the =
effective address
of the page. Mask it too for tlbwe instruction emulation.
Ah, there is the tlbwe masking :). Please split this into 2 patches.
quoted hunk ↗ jump to hunk
=20 Signed-off-by: Mihai Caraman <redacted> --- arch/powerpc/kvm/e500_emulate.c | 5 ++++- arch/powerpc/kvm/e500_tlb.c | 2 ++ 2 files changed, 6 insertions(+), 1 deletions(-) =20diff --git a/arch/powerpc/kvm/e500_emulate.c =
b/arch/powerpc/kvm/e500_emulate.c
quoted hunk ↗ jump to hunk
index 81288f7..94305db 100644--- a/arch/powerpc/kvm/e500_emulate.c +++ b/arch/powerpc/kvm/e500_emulate.c@@ -1,5 +1,5 @@/* - * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights =
reserved.
+ * Copyright (C) 2008-2012 Freescale Semiconductor, Inc. All rights =
reserved.
quoted hunk ↗ jump to hunk
* * Author: Yu Liu, [off-list ref] *@@ -90,6 +90,9 @@ static inline ulong kvmppc_get_ea_indexed(struct =
kvm_vcpu *vcpu, int ra, int rb)
if (ra) ea +=3D kvmppc_get_gpr(vcpu, ra); =20 + if (!(vcpu->arch.shared->msr & MSR_CM)) + ea &=3D 0xffffffffUL;
Since this will be in generic code, please guard it with an #ifdef = CONFIG_BOOKE. Alex