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[PULL 01/18] target/s390x: Fix LCBB overwriting the top 32 bits
From: |
Thomas Huth |
Subject: |
[PULL 01/18] target/s390x: Fix LCBB overwriting the top 32 bits |
Date: |
Tue, 6 Jun 2023 07:56:04 +0200 |
From: Ilya Leoshkevich <iii@linux.ibm.com>
LCBB is supposed to overwrite only the bottom 32 bits, but QEMU
erroneously overwrites the entire register.
Fixes: 6d9303322ed9 ("s390x/tcg: Implement LOAD COUNT TO BLOCK BOUNDARY")
Cc: qemu-stable@nongnu.org
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230526181240.1425579-2-iii@linux.ibm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
target/s390x/tcg/insn-data.h.inc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc
index bcc70d99ba..e41672684a 100644
--- a/target/s390x/tcg/insn-data.h.inc
+++ b/target/s390x/tcg/insn-data.h.inc
@@ -486,7 +486,7 @@
F(0xb343, LCXBR, RRE, Z, x2h, x2l, new_P, x1_P, negf128, f128,
IF_BFP)
F(0xb373, LCDFR, RRE, FPSSH, 0, f2, new, f1, negf64, 0, IF_AFP1 |
IF_AFP2)
/* LOAD COUNT TO BLOCK BOUNDARY */
- C(0xe727, LCBB, RXE, V, la2, 0, r1, 0, lcbb, 0)
+ C(0xe727, LCBB, RXE, V, la2, 0, new, r1_32, lcbb, 0)
/* LOAD HALFWORD */
C(0xb927, LHR, RRE, EI, 0, r2_16s, 0, r1_32, mov2, 0)
C(0xb907, LGHR, RRE, EI, 0, r2_16s, 0, r1, mov2, 0)
--
2.31.1
- [PULL 00/18] s390x and misc patches, Thomas Huth, 2023/06/06
- [PULL 01/18] target/s390x: Fix LCBB overwriting the top 32 bits,
Thomas Huth <=
- [PULL 02/18] tests/tcg/s390x: Test LCBB, Thomas Huth, 2023/06/06
- [PULL 03/18] target/s390x: Fix LOCFHR taking the wrong half of R2, Thomas Huth, 2023/06/06
- [PULL 04/18] tests/tcg/s390x: Test LOCFHR, Thomas Huth, 2023/06/06
- [PULL 05/18] linux-user/s390x: Fix single-stepping SVC, Thomas Huth, 2023/06/06
- [PULL 07/18] Add conditional dependency for libkeyutils, Thomas Huth, 2023/06/06
- [PULL 06/18] tests/tcg/s390x: Test single-stepping SVC, Thomas Huth, 2023/06/06
- [PULL 08/18] target/s390x: Fix MXDB and MXDBR, Thomas Huth, 2023/06/06
- [PULL 10/18] tests/qtest: Run ipmi-bt-test only if CONFIG_IPMI_EXTERN is set, Thomas Huth, 2023/06/06
- [PULL 11/18] gitlab-ci: Remove unused Python package, Thomas Huth, 2023/06/06
- [PULL 09/18] tests/tcg/s390x: Test MXDB and MXDBR, Thomas Huth, 2023/06/06