On 04/08/2011 10:20 AM, Ulrich Obergfell wrote:
'target_get_irq_delivered' and 'target_reset_irq_delivered' contain
entry addresses of functions that are utilized by update_irq() to
detect coalesced interrupts. apic code loads these pointers during
initialization.
Signed-off-by: Ulrich Obergfell<uobergfe@xxxxxxxxxx>
---
hw/apic.c | 4 ++++
sysemu.h | 3 +++
vl.c | 3 +++
3 files changed, 10 insertions(+), 0 deletions(-)
diff --git a/hw/apic.c b/hw/apic.c
index 00907e0..44d8cb3 100644
--- a/hw/apic.c
+++ b/hw/apic.c
@@ -24,6 +24,7 @@
#include "sysbus.h"
#include "trace.h"
#include "kvm.h"
+#include "sysemu.h"
/* APIC Local Vector Table */
#define APIC_LVT_TIMER 0
@@ -1143,6 +1144,9 @@ static SysBusDeviceInfo apic_info = {
static void apic_register_devices(void)
{
+ target_get_irq_delivered = apic_get_irq_delivered;
+ target_reset_irq_delivered = apic_reset_irq_delivered;
+
sysbus_register_withprop(&apic_info);
}
diff --git a/sysemu.h b/sysemu.h
index 3f7e17e..b5d4f90 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -96,6 +96,9 @@ int qemu_savevm_state_complete(Monitor *mon, QEMUFile *f);
void qemu_savevm_state_cancel(Monitor *mon, QEMUFile *f);
int qemu_loadvm_state(QEMUFile *f);
+extern int (*target_get_irq_delivered)(void);
+extern void (*target_reset_irq_delivered)(void);
It's a bit nicer to use a registration function instead of setting a
global function pointer directly.
Regards,
Anthony Liguori
+
/* SLIRP */
void do_info_slirp(Monitor *mon);
diff --git a/vl.c b/vl.c
index 8bcf2ae..548912a 100644
--- a/vl.c
+++ b/vl.c
@@ -231,6 +231,9 @@ const char *prom_envs[MAX_PROM_ENVS];
const char *nvram = NULL;
int boot_menu;
+int (*target_get_irq_delivered)(void) = 0;
+void (*target_reset_irq_delivered)(void) = 0;
+
typedef struct FWBootEntry FWBootEntry;
struct FWBootEntry {
--
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