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Commit d86be077 authored by Liu Yu's avatar Liu Yu Committed by Marcelo Tosatti
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KVM: PPC E500: Add register l1csr0 emulation 



Latest kernel start to access l1csr0 to contron L1.
We just tell guest no operation is on going.

Signed-off-by: default avatarLiu Yu <yu.liu@freescale.com>
Acked-by: default avatarAlexander Graf <agraf@suse.de>
Signed-off-by: default avatarMarcelo Tosatti <mtosatti@redhat.com>
parent d7fa6ab2

arch/powerpc/include/asm/kvm_e500.h

+1 −0
Original line number Diff line number Diff line
@@ -52,6 +52,7 @@ struct kvmppc_vcpu_e500 { 
	u32 mas5;

	u32 mas6;

	u32 mas7;

	u32 l1csr0;

	u32 l1csr1;

	u32 hid0;

	u32 hid1;

arch/powerpc/kvm/e500_emulate.c

+6 −0
Original line number Diff line number Diff line
@@ -99,6 +99,10 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs) 
		vcpu_e500->mas6 = spr_val; break;

	case SPRN_MAS7:

		vcpu_e500->mas7 = spr_val; break;

	case SPRN_L1CSR0:

		vcpu_e500->l1csr0 = spr_val;

		vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);

		break;

	case SPRN_L1CSR1:

		vcpu_e500->l1csr1 = spr_val; break;

	case SPRN_HID0:
@@ -179,6 +183,8 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt) 
		break;

	}



	case SPRN_L1CSR0:

		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;

	case SPRN_L1CSR1:

		kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;

	case SPRN_HID0: