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Diffstat (limited to 'arch/powerpc/kvm/book3s_emulate.c')
-rw-r--r--arch/powerpc/kvm/book3s_emulate.c16
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index b9a989dc76c..d31a716f7f2 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -22,6 +22,7 @@
#include <asm/kvm_book3s.h>
#include <asm/reg.h>
#include <asm/switch_to.h>
+#include <asm/time.h>
#define OP_19_XOP_RFID 18
#define OP_19_XOP_RFI 50
@@ -395,6 +396,12 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
(mfmsr() & MSR_HV))
vcpu->arch.hflags |= BOOK3S_HFLAG_DCBZ32;
break;
+ case SPRN_PURR:
+ to_book3s(vcpu)->purr_offset = spr_val - get_tb();
+ break;
+ case SPRN_SPURR:
+ to_book3s(vcpu)->spurr_offset = spr_val - get_tb();
+ break;
case SPRN_GQR0:
case SPRN_GQR1:
case SPRN_GQR2:
@@ -412,6 +419,7 @@ int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
case SPRN_CTRLF:
case SPRN_CTRLT:
case SPRN_L2CR:
+ case SPRN_DSCR:
case SPRN_MMCR0_GEKKO:
case SPRN_MMCR1_GEKKO:
case SPRN_PMC1_GEKKO:
@@ -483,9 +491,15 @@ int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val)
*spr_val = to_book3s(vcpu)->hid[5];
break;
case SPRN_CFAR:
- case SPRN_PURR:
+ case SPRN_DSCR:
*spr_val = 0;
break;
+ case SPRN_PURR:
+ *spr_val = get_tb() + to_book3s(vcpu)->purr_offset;
+ break;
+ case SPRN_SPURR:
+ *spr_val = get_tb() + to_book3s(vcpu)->purr_offset;
+ break;
case SPRN_GQR0:
case SPRN_GQR1:
case SPRN_GQR2: