This defines and makes use of an NMI interface in order to support the "nmi" command.
Signed-off-by: Alexey Kardashevskiy <a...@ozlabs.ru> --- hw/ppc/spapr.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 62ddb4d..495fa88 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -48,6 +48,7 @@ #include "hw/pci/pci.h" #include "hw/scsi/scsi.h" #include "hw/virtio/virtio-scsi.h" +#include "hw/nmi.h" #include "exec/address-spaces.h" #include "hw/usb.h" @@ -1539,13 +1540,36 @@ static char *spapr_get_fw_dev_path(FWPathProvider *p, BusState *bus, return NULL; } +static void spapr_do_nmi(void *arg) +{ + CPUState *cs = arg; + PowerPCCPU *cpu = POWERPC_CPU(cs); + CPUPPCState *env = &cpu->env; + + cpu_synchronize_state(cs); + env->spr[SPR_SRR0] = env->nip; + env->spr[SPR_SRR1] = env->msr; + env->nip = 0x100; + env->msr = (1ULL << MSR_SF) | (1 << MSR_ME); + if (env->spr[SPR_LPCR] & LPCR_ILE) { + env->msr |= 1 << MSR_LE; + } +} + +void spapr_deliver_nmi(NMIObj *p, CPUState *cs) +{ + async_run_on_cpu(cs, spapr_do_nmi, cs); +} + static void spapr_machine_class_init(ObjectClass *oc, void *data) { MachineClass *mc = MACHINE_CLASS(oc); FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc); + NMIClass *nmic = NMI_CLASS(oc); mc->qemu_machine = data; fwc->get_dev_path = spapr_get_fw_dev_path; + nmic->deliver_nmi = spapr_deliver_nmi; } static const TypeInfo spapr_machine_info = { @@ -1555,10 +1579,12 @@ static const TypeInfo spapr_machine_info = { .class_data = &spapr_machine, .interfaces = (InterfaceInfo[]) { { TYPE_FW_PATH_PROVIDER }, + { TYPE_NMI }, { } }, }; + static void spapr_machine_register_types(void) { type_register_static(&spapr_machine_info); -- 1.8.4.rc4