diff options
Diffstat (limited to 'arch/powerpc/kernel/kvm_emul.S')
| -rw-r--r-- | arch/powerpc/kernel/kvm_emul.S | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/arch/powerpc/kernel/kvm_emul.S b/arch/powerpc/kernel/kvm_emul.S index a6e97e7..6530532 100644 --- a/arch/powerpc/kernel/kvm_emul.S +++ b/arch/powerpc/kernel/kvm_emul.S @@ -135,7 +135,8 @@ kvm_emulate_mtmsr: /* Find the changed bits between old and new MSR */ kvm_emulate_mtmsr_reg1: - xor r31, r0, r31 + ori r30, r0, 0 + xor r31, r30, r31 /* Check if we need to really do mtmsr */ LOAD_REG_IMMEDIATE(r30, MSR_CRITICAL_BITS) @@ -156,14 +157,17 @@ kvm_emulate_mtmsr_orig_ins: maybe_stay_in_guest: + /* Get the target register in r30 */ +kvm_emulate_mtmsr_reg2: + ori r30, r0, 0 + /* Check if we have to fetch an interrupt */ lwz r31, (KVM_MAGIC_PAGE + KVM_MAGIC_INT)(0) cmpwi r31, 0 beq+ no_mtmsr /* Check if we may trigger an interrupt */ -kvm_emulate_mtmsr_reg2: - andi. r31, r0, MSR_EE + andi. r31, r30, MSR_EE beq no_mtmsr b do_mtmsr @@ -171,8 +175,7 @@ kvm_emulate_mtmsr_reg2: no_mtmsr: /* Put MSR into magic page because we don't call mtmsr */ -kvm_emulate_mtmsr_reg3: - STL64(r0, KVM_MAGIC_PAGE + KVM_MAGIC_MSR, 0) + STL64(r30, KVM_MAGIC_PAGE + KVM_MAGIC_MSR, 0) SCRATCH_RESTORE @@ -193,10 +196,6 @@ kvm_emulate_mtmsr_reg1_offs: kvm_emulate_mtmsr_reg2_offs: .long (kvm_emulate_mtmsr_reg2 - kvm_emulate_mtmsr) / 4 -.global kvm_emulate_mtmsr_reg3_offs -kvm_emulate_mtmsr_reg3_offs: - .long (kvm_emulate_mtmsr_reg3 - kvm_emulate_mtmsr) / 4 - .global kvm_emulate_mtmsr_orig_ins_offs kvm_emulate_mtmsr_orig_ins_offs: .long (kvm_emulate_mtmsr_orig_ins - kvm_emulate_mtmsr) / 4 |