From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:44816) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuSoB-0002mk-JL for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:48 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YuSo7-0008Qw-1Q for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:46 -0400 Received: from hall.aurel32.net ([2001:bc8:30d7:101::1]:33739) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YuSo6-0008Qo-SB for qemu-devel@nongnu.org; Mon, 18 May 2015 17:42:42 -0400 From: Aurelien Jarno Date: Mon, 18 May 2015 23:42:29 +0200 Message-Id: <1431985349-11226-6-git-send-email-aurelien@aurel32.net> In-Reply-To: <1431985349-11226-1-git-send-email-aurelien@aurel32.net> References: <1431985349-11226-1-git-send-email-aurelien@aurel32.net> Subject: [Qemu-devel] [PATCH 5/5] target-s390x: implement STPT helper List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Alexander Graf , Aurelien Jarno , Richard Henderson 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 Cc: Richard Henderson Signed-off-by: Aurelien Jarno --- 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