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[Qemu-devel] [PATCH 4/5] target-s390x: implement STCKC helper
From: |
Aurelien Jarno |
Subject: |
[Qemu-devel] [PATCH 4/5] target-s390x: implement STCKC helper |
Date: |
Mon, 18 May 2015 23:42:28 +0200 |
The STCKC instruction just returns the last written clock comparator
value and KVM already provides the corresponding variable.
Cc: Alexander Graf <address@hidden>
Cc: Richard Henderson <address@hidden>
Signed-off-by: Aurelien Jarno <address@hidden>
---
target-s390x/misc_helper.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/target-s390x/misc_helper.c b/target-s390x/misc_helper.c
index fa105fa..57aee95 100644
--- a/target-s390x/misc_helper.c
+++ b/target-s390x/misc_helper.c
@@ -286,6 +286,8 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time)
return;
}
+ env->ckc = time;
+
/* difference between origins */
time -= env->tod_offset;
@@ -298,8 +300,7 @@ void HELPER(sckc)(CPUS390XState *env, uint64_t time)
/* Store Clock Comparator */
uint64_t HELPER(stckc)(CPUS390XState *env)
{
- /* XXX implement */
- return 0;
+ return env->ckc;
}
/* Set CPU Timer */
--
2.1.4
- [Qemu-devel] [PATCH 0/5] Clean and improve time related helpers, Aurelien Jarno, 2015/05/18
- [Qemu-devel] [PATCH 2/5] target-s390x: simplify SCKC helper, Aurelien Jarno, 2015/05/18
- [Qemu-devel] [PATCH 3/5] target-s390x: streamline STCK helper, Aurelien Jarno, 2015/05/18
- [Qemu-devel] [PATCH 4/5] target-s390x: implement STCKC helper,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 1/5] target-s390x: add a tod2time function, Aurelien Jarno, 2015/05/18
- [Qemu-devel] [PATCH 5/5] target-s390x: implement STPT helper, Aurelien Jarno, 2015/05/18
- Re: [Qemu-devel] [PATCH 0/5] Clean and improve time related helpers, Alexander Graf, 2015/05/25