diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-07-24 10:15:54 +0200 |
|---|---|---|
| committer | Michael Tokarev <mjt@tls.msk.ru> | 2023-07-31 09:10:51 +0300 |
| commit | bdbf5e10166ea9f9955d5118a44a8498ebc603bb (patch) | |
| tree | e62166f448677348c10a41087544b40123cfb131 /target | |
| parent | 6f7c39a912a601f40681426b16f772db3697e2d1 (diff) | |
target/s390x: Make CKSM raise an exception if R2 is odd
R2 designates an even-odd register pair; the instruction should raise
a specification exception when R2 is not even.
Cc: qemu-stable@nongnu.org
Fixes: e023e832d0ac ("s390x: translate engine for s390x CPU")
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-2-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>
(cherry picked from commit 761b0aa9381e2f755b9b594f7f3033d564561751)
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Diffstat (limited to 'target')
| -rw-r--r-- | target/s390x/tcg/insn-data.h.inc | 2 | ||||
| -rw-r--r-- | target/s390x/tcg/translate.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.h.inc index 295eb07173..4f795c07f7 100644 --- a/target/s390x/tcg/insn-data.h.inc +++ b/target/s390x/tcg/insn-data.h.inc @@ -157,7 +157,7 @@ C(0xb2fa, NIAI, E, EH, 0, 0, 0, 0, 0, 0) /* CHECKSUM */ - C(0xb241, CKSM, RRE, Z, r1_o, ra2, new, r1_32, cksm, 0) + C(0xb241, CKSM, RRE, Z, r1_o, ra2_E, new, r1_32, cksm, 0) /* COPY SIGN */ F(0xb372, CPSDR, RRF_b, FPSSH, f3, f2, new, f1, cps, 0, IF_AFP1 | IF_AFP2 | IF_AFP3) diff --git a/target/s390x/tcg/translate.c b/target/s390x/tcg/translate.c index c7498ff3f2..f005539861 100644 --- a/target/s390x/tcg/translate.c +++ b/target/s390x/tcg/translate.c @@ -5800,6 +5800,12 @@ static void in2_ra2(DisasContext *s, DisasOps *o) } #define SPEC_in2_ra2 0 +static void in2_ra2_E(DisasContext *s, DisasOps *o) +{ + return in2_ra2(s, o); +} +#define SPEC_in2_ra2_E SPEC_r2_even + static void in2_a2(DisasContext *s, DisasOps *o) { int x2 = have_field(s, x2) ? get_field(s, x2) : 0; |