static void fdt_add_pmu_nodes(const VirtMachineState *vms) { CPUState *cpu; ARMCPU *armcpu; uint32_t irqflags = GIC_FDT_IRQ_FLAGS_LEVEL_HI; CPU_FOREACH(cpu) { armcpu = ARM_CPU(cpu); if (!arm_feature(&armcpu->env, ARM_FEATURE_PMU) || !kvm_arm_pmu_create(cpu, PPI(VIRTUAL_PMU_IRQ))) { return; } } if (vms->gic_version == 2) { irqflags = deposit32(irqflags, GIC_FDT_IRQ_PPI_CPU_START, GIC_FDT_IRQ_PPI_CPU_WIDTH, (1 << vms->smp_cpus) - 1); } armcpu = ARM_CPU(qemu_get_cpu(0)); qemu_fdt_add_subnode(vms->fdt, "/pmu"); if (arm_feature(&armcpu->env, ARM_FEATURE_V8)) { const char compat[] = "arm,armv8-pmuv3"; qemu_fdt_setprop(vms->fdt, "/pmu", "compatible", compat, sizeof(compat)); qemu_fdt_setprop_cells(vms->fdt, "/pmu", "interrupts", GIC_FDT_IRQ_TYPE_PPI, VIRTUAL_PMU_IRQ, irqflags); } }