diff options
Diffstat (limited to 'src/arch/arm/kvm/base_cpu.cc')
| -rw-r--r-- | src/arch/arm/kvm/base_cpu.cc | 35 |
1 files changed, 23 insertions, 12 deletions
diff --git a/src/arch/arm/kvm/base_cpu.cc b/src/arch/arm/kvm/base_cpu.cc index e25112cae..765965092 100644 --- a/src/arch/arm/kvm/base_cpu.cc +++ b/src/arch/arm/kvm/base_cpu.cc @@ -1,5 +1,5 @@ /* - * Copyright (c) 2012, 2015 ARM Limited + * Copyright (c) 2012, 2015, 2017 ARM Limited * All rights reserved * * The license below extends only to copyright in the software and shall @@ -88,20 +88,31 @@ BaseArmKvmCPU::startup() Tick BaseArmKvmCPU::kvmRun(Tick ticks) { - bool simFIQ(interrupts[0]->checkRaw(INT_FIQ)); - bool simIRQ(interrupts[0]->checkRaw(INT_IRQ)); + const bool simFIQ(interrupts[0]->checkRaw(INT_FIQ)); + const bool simIRQ(interrupts[0]->checkRaw(INT_IRQ)); - if (fiqAsserted != simFIQ) { - fiqAsserted = simFIQ; - DPRINTF(KvmInt, "KVM: Update FIQ state: %i\n", simFIQ); - vm.setIRQLine(INTERRUPT_VCPU_FIQ(vcpuID), simFIQ); - } - if (irqAsserted != simIRQ) { - irqAsserted = simIRQ; - DPRINTF(KvmInt, "KVM: Update IRQ state: %i\n", simIRQ); - vm.setIRQLine(INTERRUPT_VCPU_IRQ(vcpuID), simIRQ); + if (!vm.hasKernelIRQChip()) { + if (fiqAsserted != simFIQ) { + DPRINTF(KvmInt, "KVM: Update FIQ state: %i\n", simFIQ); + vm.setIRQLine(INTERRUPT_VCPU_FIQ(vcpuID), simFIQ); + } + if (irqAsserted != simIRQ) { + DPRINTF(KvmInt, "KVM: Update IRQ state: %i\n", simIRQ); + vm.setIRQLine(INTERRUPT_VCPU_IRQ(vcpuID), simIRQ); + } + } else { + warn_if(simFIQ && !fiqAsserted, + "FIQ raised by the simulated interrupt controller " \ + "despite in-kernel GIC emulation. This is probably a bug."); + + warn_if(simIRQ && !irqAsserted, + "IRQ raised by the simulated interrupt controller " \ + "despite in-kernel GIC emulation. This is probably a bug."); } + irqAsserted = simIRQ; + fiqAsserted = simFIQ; + return BaseKvmCPU::kvmRun(ticks); } |