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nmi: Implement inject_nmi() for non-monitor context use 

Let's introduce a general "inject_nmi()" function that doesn't rely on the cpu
index of the monitor, but uses cpu index 0 as default (except for x86).
This function can then later be used from a non-monitor context.

Signed-off-by: Xu Wang <gesaint@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
CC: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
This commit is contained in:
Xu Wang 2015-02-05 18:28:35 +08:00 committed by Christian Borntraeger
parent d67f5fe63c
commit f9a535e089
2 changed files with 21 additions and 0 deletions
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20
hw/core/nmi.c
View File

@ -21,6 +21,7 @@
#include "hw/nmi.h"
#include "qapi/qmp/qerror.h"
#include "monitor/monitor.h"
struct do_nmi_s {
int cpu_index;
@ -70,6 +71,25 @@ void nmi_monitor_handle(int cpu_index, Error **errp)
}
}
void inject_nmi(void)
{
#if defined(TARGET_I386)
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);
}
}
#else
nmi_monitor_handle(0, NULL);
#endif
}
static const TypeInfo nmi_info = {
.name = TYPE_NMI,
.parent = TYPE_INTERFACE,

1
include/hw/nmi.h
View File

@ -45,5 +45,6 @@ typedef struct NMIClass {
} NMIClass;
void nmi_monitor_handle(int cpu_index, Error **errp);
void inject_nmi(void);
#endif /* NMI_H */