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[Qemu-devel] [PULL v2 68/70] target/s390x: check alignment in CDSG in th
From: |
Richard Henderson |
Subject: |
[Qemu-devel] [PULL v2 68/70] target/s390x: check alignment in CDSG in the !CONFIG_ATOMIC128 case |
Date: |
Tue, 6 Jun 2017 17:31:17 -0700 |
From: Aurelien Jarno <address@hidden>
The CDSG instruction requires a 16-byte alignement, as expressed in
the MO_ALIGN_16 passed to helper_atomic_cmpxchgo_be_mmu. In the non
parallel case, use check_alignment to enforce this.
Signed-off-by: Aurelien Jarno <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
target/s390x/mem_helper.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index a8988e0..80caab9 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1262,6 +1262,8 @@ void HELPER(cdsg)(CPUS390XState *env, uint64_t addr,
} else {
uint64_t oldh, oldl;
+ check_alignment(env, addr, 16, ra);
+
oldh = cpu_ldq_data_ra(env, addr + 0, ra);
oldl = cpu_ldq_data_ra(env, addr + 8, ra);
--
2.9.4
- [Qemu-devel] [PULL v2 58/70] target/s390x: implement COMPARE LOGICAL LONG UNICODE, (continued)
- [Qemu-devel] [PULL v2 58/70] target/s390x: implement COMPARE LOGICAL LONG UNICODE, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 57/70] target/s390x: improve MOVE LONG and MOVE LONG EXTENDED, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 60/70] target/s390x: implement PACK ASCII, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 61/70] target/s390x: implement PACK UNICODE, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 62/70] target/s390x: implement UNPACK ASCII, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 64/70] target/s390x: implement TEST DECIMAL, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 63/70] target/s390x: implement UNPACK UNICODE, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 65/70] target/s390x: implement TRANSLATE ONE/TWO TO ONE/TWO, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 66/70] target/s390x: implement LOAD PAIR FROM QUADWORD, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 67/70] target/s390x: implement STORE PAIR TO QUADWORD, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 68/70] target/s390x: check alignment in CDSG in the !CONFIG_ATOMIC128 case,
Richard Henderson <=
- [Qemu-devel] [PULL v2 69/70] target/s390x: mark ETF2 and ETF2-ENH facilities as available, Richard Henderson, 2017/06/06
- [Qemu-devel] [PULL v2 70/70] target/s390x: addressing exceptions are suppressing, Richard Henderson, 2017/06/06
- Re: [Qemu-devel] [PULL v2 00/70] target/s390x tcg patches, Peter Maydell, 2017/06/07