diff options
Diffstat (limited to 'arch/mips/kvm/emulate.c')
| -rw-r--r-- | arch/mips/kvm/emulate.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c index 7ccf9b096783..4fa93d6a2ec5 100644 --- a/arch/mips/kvm/emulate.c +++ b/arch/mips/kvm/emulate.c @@ -1600,6 +1600,7 @@ enum emulation_result kvm_mips_emulate_store(union mips_instruction inst, struct kvm_run *run, struct kvm_vcpu *vcpu) { + int r; enum emulation_result er; u32 rt; void *data = run->mmio.data; @@ -1666,9 +1667,18 @@ enum emulation_result kvm_mips_emulate_store(union mips_instruction inst, goto out_fail; } - run->mmio.is_write = 1; vcpu->mmio_needed = 1; + run->mmio.is_write = 1; vcpu->mmio_is_write = 1; + + r = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, + run->mmio.phys_addr, run->mmio.len, data); + + if (!r) { + vcpu->mmio_needed = 0; + return EMULATE_DONE; + } + return EMULATE_DO_MMIO; out_fail: @@ -1681,6 +1691,7 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst, u32 cause, struct kvm_run *run, struct kvm_vcpu *vcpu) { + int r; enum emulation_result er; unsigned long curr_pc; u32 op, rt; @@ -1745,6 +1756,16 @@ enum emulation_result kvm_mips_emulate_load(union mips_instruction inst, run->mmio.is_write = 0; vcpu->mmio_is_write = 0; + + r = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, + run->mmio.phys_addr, run->mmio.len, run->mmio.data); + + if (!r) { + kvm_mips_complete_mmio_load(vcpu, run); + vcpu->mmio_needed = 0; + return EMULATE_DONE; + } + return EMULATE_DO_MMIO; } |