Save the timer target value in the SPT helper, so that the STPT helper
can compute the remaining time.
This allow the Linux kernel to correctly do time accounting.
Cc: Alexander Graf <ag...@suse.de>
Cc: Richard Henderson <r...@twiddle.net>
Signed-off-by: Aurelien Jarno <aurel...@aurel32.net>
---
target-s390x/misc_helper.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index 57aee95..3ec7268 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -313,14 +313,15 @@ void HELPER(spt)(CPUS390XState *env, uint64_t time)
/* nanoseconds */
time = tod2time(time);
- timer_mod(env->cpu_timer, qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time);
+ env->cputm = qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + time;
+
+ timer_mod(env->cpu_timer, env->cputm);
}
/* Store CPU Timer */
uint64_t HELPER(stpt)(CPUS390XState *env)
{
- /* XXX implement */
- return 0;
+ return time2tod(env->cputm - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
}
/* Store System Information */
--
2.1.4
