ARM: KVM: abstract fault register accesses
Instead of directly accessing the fault registers, use proper accessors
so the core code can be shared.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
diff --git a/arch/arm/kvm/mmio.c b/arch/arm/kvm/mmio.c
index c186bc9..ce63f39 100644
--- a/arch/arm/kvm/mmio.c
+++ b/arch/arm/kvm/mmio.c
@@ -65,19 +65,19 @@
unsigned long rt, len;
bool is_write, sign_extend;
- if ((vcpu->arch.hsr >> 8) & 1) {
+ if ((kvm_vcpu_get_hsr(vcpu) >> 8) & 1) {
/* cache operation on I/O addr, tell guest unsupported */
- kvm_inject_dabt(vcpu, vcpu->arch.hxfar);
+ kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
}
- if ((vcpu->arch.hsr >> 7) & 1) {
+ if ((kvm_vcpu_get_hsr(vcpu) >> 7) & 1) {
/* page table accesses IO mem: tell guest to fix its TTBR */
- kvm_inject_dabt(vcpu, vcpu->arch.hxfar);
+ kvm_inject_dabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
}
- switch ((vcpu->arch.hsr >> 22) & 0x3) {
+ switch ((kvm_vcpu_get_hsr(vcpu) >> 22) & 0x3) {
case 0:
len = 1;
break;
@@ -92,13 +92,13 @@
return -EFAULT;
}
- is_write = vcpu->arch.hsr & HSR_WNR;
- sign_extend = vcpu->arch.hsr & HSR_SSE;
- rt = (vcpu->arch.hsr & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
+ is_write = kvm_vcpu_get_hsr(vcpu) & HSR_WNR;
+ sign_extend = kvm_vcpu_get_hsr(vcpu) & HSR_SSE;
+ rt = (kvm_vcpu_get_hsr(vcpu) & HSR_SRT_MASK) >> HSR_SRT_SHIFT;
if (kvm_vcpu_reg_is_pc(vcpu, rt)) {
/* IO memory trying to read/write pc */
- kvm_inject_pabt(vcpu, vcpu->arch.hxfar);
+ kvm_inject_pabt(vcpu, kvm_vcpu_get_hfar(vcpu));
return 1;
}
@@ -112,7 +112,7 @@
* The MMIO instruction is emulated and should not be re-executed
* in the guest.
*/
- kvm_skip_instr(vcpu, (vcpu->arch.hsr >> 25) & 1);
+ kvm_skip_instr(vcpu, (kvm_vcpu_get_hsr(vcpu) >> 25) & 1);
return 0;
}
@@ -130,7 +130,7 @@
* space do its magic.
*/
- if (vcpu->arch.hsr & HSR_ISV) {
+ if (kvm_vcpu_get_hsr(vcpu) & HSR_ISV) {
ret = decode_hsr(vcpu, fault_ipa, &mmio);
if (ret)
return ret;