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-rw-r--r--accel/tcg/icount-common.c16
-rw-r--r--include/sysemu/cpu-timers.h10
-rw-r--r--stubs/icount.c4
-rw-r--r--system/vl.c3
4 files changed, 21 insertions, 12 deletions
diff --git a/accel/tcg/icount-common.c b/accel/tcg/icount-common.c
index ec57192be8..dc69d6a4c6 100644
--- a/accel/tcg/icount-common.c
+++ b/accel/tcg/icount-common.c
@@ -419,7 +419,7 @@ void icount_account_warp_timer(void)
icount_warp_rt();
}
-void icount_configure(QemuOpts *opts, Error **errp)
+bool icount_configure(QemuOpts *opts, Error **errp)
{
const char *option = qemu_opt_get(opts, "shift");
bool sleep = qemu_opt_get_bool(opts, "sleep", true);
@@ -429,27 +429,28 @@ void icount_configure(QemuOpts *opts, Error **errp)
if (!option) {
if (qemu_opt_get(opts, "align") != NULL) {
error_setg(errp, "Please specify shift option when using align");
+ return false;
}
- return;
+ return true;
}
if (align && !sleep) {
error_setg(errp, "align=on and sleep=off are incompatible");
- return;
+ return false;
}
if (strcmp(option, "auto") != 0) {
if (qemu_strtol(option, NULL, 0, &time_shift) < 0
|| time_shift < 0 || time_shift > MAX_ICOUNT_SHIFT) {
error_setg(errp, "icount: Invalid shift value");
- return;
+ return false;
}
} else if (icount_align_option) {
error_setg(errp, "shift=auto and align=on are incompatible");
- return;
+ return false;
} else if (!icount_sleep) {
error_setg(errp, "shift=auto and sleep=off are incompatible");
- return;
+ return false;
}
icount_sleep = sleep;
@@ -463,7 +464,7 @@ void icount_configure(QemuOpts *opts, Error **errp)
if (time_shift >= 0) {
timers_state.icount_time_shift = time_shift;
icount_enable_precise();
- return;
+ return true;
}
icount_enable_adaptive();
@@ -491,6 +492,7 @@ void icount_configure(QemuOpts *opts, Error **errp)
timer_mod(timers_state.icount_vm_timer,
qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) +
NANOSECONDS_PER_SECOND / 10);
+ return true;
}
void icount_notify_exit(void)
diff --git a/include/sysemu/cpu-timers.h b/include/sysemu/cpu-timers.h
index 2e786fe7fb..b70dc7692d 100644
--- a/include/sysemu/cpu-timers.h
+++ b/include/sysemu/cpu-timers.h
@@ -50,8 +50,14 @@ int64_t icount_get(void);
*/
int64_t icount_to_ns(int64_t icount);
-/* configure the icount options, including "shift" */
-void icount_configure(QemuOpts *opts, Error **errp);
+/**
+ * icount_configure: configure the icount options, including "shift"
+ * @opts: Options to parse
+ * @errp: pointer to a NULL-initialized error object
+ *
+ * Return: true on success, else false setting @errp with error
+ */
+bool icount_configure(QemuOpts *opts, Error **errp);
/* used by tcg vcpu thread to calc icount budget */
int64_t icount_round(int64_t count);
diff --git a/stubs/icount.c b/stubs/icount.c
index 6df8c2bf7d..85c381a0ea 100644
--- a/stubs/icount.c
+++ b/stubs/icount.c
@@ -10,10 +10,12 @@ void icount_update(CPUState *cpu)
{
abort();
}
-void icount_configure(QemuOpts *opts, Error **errp)
+bool icount_configure(QemuOpts *opts, Error **errp)
{
/* signal error */
error_setg(errp, "cannot configure icount, TCG support not available");
+
+ return false;
}
int64_t icount_get_raw(void)
{
diff --git a/system/vl.c b/system/vl.c
index 53850a1daf..404e7cf87a 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -2270,8 +2270,7 @@ static void user_register_global_props(void)
static int do_configure_icount(void *opaque, QemuOpts *opts, Error **errp)
{
- icount_configure(opts, errp);
- return 0;
+ return !icount_configure(opts, errp);
}
static int accelerator_set_property(void *opaque,