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target-i386: add a generic x86 nmi handler 

Instead of having x86 ifdefs in core nmi code, this
change adds a arch specific handler that the nmi common
code can call.

Signed-off-by: Bandan Das <bsd@redhat.com>
Message-Id: <1463761717-26558-2-git-send-email-bsd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Bandan Das 2016-05-20 12:28:35 -04:00 committed by Paolo Bonzini
parent 6ad978e9f4
commit 1255166b99
1 changed files with 20 additions and 0 deletions
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20
hw/i386/pc.c
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@ -67,6 +67,7 @@
#include "qapi/visitor.h"
#include "qapi-visit.h"
#include "qom/cpu.h"
#include "hw/nmi.h"
/* debug PC/ISA interrupts */
//#define DEBUG_IRQ
@ -1963,11 +1964,28 @@ static CPUArchIdList *pc_possible_cpu_arch_ids(MachineState *machine)
return list;
}
static void x86_nmi(NMIState *n, int cpu_index, Error **errp)
{
/* cpu index isn't used */
CPUState *cs;
CPU_FOREACH(cs) {
X86CPU *cpu = X86_CPU(cs);
if (!cpu->apic_state) {
cpu_interrupt(cs, CPU_INTERRUPT_NMI);
} else {
apic_deliver_nmi(cpu->apic_state);
}
}
}
static void pc_machine_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
PCMachineClass *pcmc = PC_MACHINE_CLASS(oc);
HotplugHandlerClass *hc = HOTPLUG_HANDLER_CLASS(oc);
NMIClass *nc = NMI_CLASS(oc);
pcmc->get_hotplug_handler = mc->get_hotplug_handler;
pcmc->pci_enabled = true;
@ -1993,6 +2011,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
hc->plug = pc_machine_device_plug_cb;
hc->unplug_request = pc_machine_device_unplug_request_cb;
hc->unplug = pc_machine_device_unplug_cb;
nc->nmi_monitor_handler = x86_nmi;
}
static const TypeInfo pc_machine_info = {
@ -2005,6 +2024,7 @@ static const TypeInfo pc_machine_info = {
.class_init = pc_machine_class_init,
.interfaces = (InterfaceInfo[]) {
{ TYPE_HOTPLUG_HANDLER },
{ TYPE_NMI },
{ }
},
};