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Commit 06579dd9 authored Jun 05, 2009 by Liu Yu Committed by Avi Kivity Sep 10, 2009

KVM: ppc: e500: Add MMUCFG and PVR emulation



Latest kernel started to use these two registers.

Signed-off-by: Liu Yu <yu.liu@freescale.com>
Signed-off-by: Avi Kivity <avi@redhat.com>

parent 5b7c1a2c

arch/powerpc/kvm/e500_emulate.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -180,6 +180,9 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
		case SPRN_MMUCSR0:
		vcpu->arch.gpr[rt] = 0; break;

		case SPRN_MMUCFG:
		vcpu->arch.gpr[rt] = mfspr(SPRN_MMUCFG); break;

		/* extra exceptions */
		case SPRN_IVOR32:
		vcpu->arch.gpr[rt] = vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL];

arch/powerpc/kvm/emulate.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -188,6 +188,8 @@ int kvmppc_emulate_instruction(struct kvm_run run, struct kvm_vcpu vcpu)
		vcpu->arch.gpr[rt] = vcpu->arch.srr1; break;
		case SPRN_PVR:
		vcpu->arch.gpr[rt] = mfspr(SPRN_PVR); break;
		case SPRN_PIR:
		vcpu->arch.gpr[rt] = mfspr(SPRN_PIR); break;

		/* Note: mftb and TBRL/TBWL are user-accessible, so
		* the guest can always access the real TB anyways.