diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ppc/pnv.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index c9cb6fa..a3b7a8d 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -27,6 +27,7 @@ #include "sysemu/runstate.h" #include "sysemu/cpus.h" #include "sysemu/device_tree.h" +#include "sysemu/hw_accel.h" #include "target/ppc/cpu.h" #include "qemu/log.h" #include "hw/ppc/fdt.h" @@ -34,6 +35,7 @@ #include "hw/ppc/pnv.h" #include "hw/ppc/pnv_core.h" #include "hw/loader.h" +#include "hw/nmi.h" #include "exec/address-spaces.h" #include "qapi/visitor.h" #include "monitor/monitor.h" @@ -1977,10 +1979,35 @@ static void pnv_machine_set_hb(Object *obj, bool value, Error **errp) } } +static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg) +{ + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + + cpu_synchronize_state(cs); + ppc_cpu_do_system_reset(cs); + /* + * SRR1[42:45] is set to 0100 which the ISA defines as implementation + * dependent. POWER processors use this for xscom triggered interrupts, + * which come from the BMC or NMI IPIs. + */ + env->spr[SPR_SRR1] |= PPC_BIT(43); +} + +static void pnv_nmi(NMIState *n, int cpu_index, Error **errp) +{ + CPUState *cs; + + CPU_FOREACH(cs) { + async_run_on_cpu(cs, pnv_cpu_do_nmi_on_cpu, RUN_ON_CPU_NULL); + } +} + static void pnv_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); InterruptStatsProviderClass *ispc = INTERRUPT_STATS_PROVIDER_CLASS(oc); + NMIClass *nc = NMI_CLASS(oc); mc->desc = "IBM PowerNV (Non-Virtualized)"; mc->init = pnv_init; @@ -1997,6 +2024,7 @@ static void pnv_machine_class_init(ObjectClass *oc, void *data) mc->default_ram_size = INITRD_LOAD_ADDR + INITRD_MAX_SIZE; mc->default_ram_id = "pnv.ram"; ispc->print_info = pnv_pic_print_info; + nc->nmi_monitor_handler = pnv_nmi; object_class_property_add_bool(oc, "hb-mode", pnv_machine_get_hb, pnv_machine_set_hb, @@ -2060,6 +2088,7 @@ static const TypeInfo types[] = { .class_size = sizeof(PnvMachineClass), .interfaces = (InterfaceInfo[]) { { TYPE_INTERRUPT_STATS_PROVIDER }, + { TYPE_NMI }, { }, }, }, |