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[Qemu-devel] [7236] qemu: create helper for event notification (Marcelo
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [7236] qemu: create helper for event notification (Marcelo Tosatti) |
Date: |
Fri, 24 Apr 2009 18:03:11 +0000 |
Revision: 7236
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=7236
Author: aliguori
Date: 2009-04-24 18:03:11 +0000 (Fri, 24 Apr 2009)
Log Message:
-----------
qemu: create helper for event notification (Marcelo Tosatti)
Signed-off-by: Marcelo Tosatti <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/hw/mac_dbdma.c
trunk/qemu-common.h
trunk/vl.c
Modified: trunk/hw/mac_dbdma.c
===================================================================
--- trunk/hw/mac_dbdma.c 2009-04-23 18:42:30 UTC (rev 7235)
+++ trunk/hw/mac_dbdma.c 2009-04-24 18:03:11 UTC (rev 7236)
@@ -651,9 +651,7 @@
void DBDMA_schedule(void)
{
- CPUState *env = cpu_single_env;
- if (env)
- cpu_exit(env);
+ qemu_notify_event();
}
static void
Modified: trunk/qemu-common.h
===================================================================
--- trunk/qemu-common.h 2009-04-23 18:42:30 UTC (rev 7235)
+++ trunk/qemu-common.h 2009-04-24 18:03:11 UTC (rev 7236)
@@ -186,6 +186,9 @@
/* Force QEMU to stop what it's doing and service IO */
void qemu_service_io(void);
+/* Force QEMU to process pending events */
+void qemu_notify_event(void);
+
typedef struct QEMUIOVector {
struct iovec *iov;
int niov;
Modified: trunk/vl.c
===================================================================
--- trunk/vl.c 2009-04-23 18:42:30 UTC (rev 7235)
+++ trunk/vl.c 2009-04-24 18:03:11 UTC (rev 7236)
@@ -1193,9 +1193,8 @@
qemu_rearm_alarm_timer(alarm_timer);
}
/* Interrupt execution to force deadline recalculation. */
- if (use_icount && cpu_single_env) {
- cpu_exit(cpu_single_env);
- }
+ if (use_icount)
+ qemu_notify_event();
}
}
@@ -1370,6 +1369,7 @@
#endif
}
event_pending = 1;
+ qemu_notify_event();
}
}
@@ -3406,15 +3406,7 @@
void qemu_service_io(void)
{
- CPUState *env = cpu_single_env;
- if (env) {
- cpu_exit(env);
-#ifdef CONFIG_KQEMU
- if (env->kqemu_enabled) {
- kqemu_cpu_interrupt(env);
- }
-#endif
- }
+ qemu_notify_event();
}
/***********************************************************/
@@ -3482,15 +3474,12 @@
void qemu_bh_schedule(QEMUBH *bh)
{
- CPUState *env = cpu_single_env;
if (bh->scheduled)
return;
bh->scheduled = 1;
bh->idle = 0;
/* stop the currently executing CPU to execute the BH ASAP */
- if (env) {
- cpu_exit(env);
- }
+ qemu_notify_event();
}
void qemu_bh_cancel(QEMUBH *bh)
@@ -3701,24 +3690,34 @@
} else {
reset_requested = 1;
}
- if (cpu_single_env)
- cpu_exit(cpu_single_env);
+ qemu_notify_event();
}
void qemu_system_shutdown_request(void)
{
shutdown_requested = 1;
- if (cpu_single_env)
- cpu_exit(cpu_single_env);
+ qemu_notify_event();
}
void qemu_system_powerdown_request(void)
{
powerdown_requested = 1;
- if (cpu_single_env)
- cpu_exit(cpu_single_env);
+ qemu_notify_event();
}
+void qemu_notify_event(void)
+{
+ CPUState *env = cpu_single_env;
+
+ if (env) {
+ cpu_exit(env);
+#ifdef USE_KQEMU
+ if (env->kqemu_enabled)
+ kqemu_cpu_interrupt(env);
+#endif
+ }
+}
+
#ifdef _WIN32
static void host_main_loop_wait(int *timeout)
{
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