diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2023-07-24 10:16:01 +0200 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-07-24 18:44:47 +0200 |
| commit | f6044c994a7b43edfdb18daa2b72faebca1ff482 (patch) | |
| tree | f278dd7d72e0c9e479d47c7705efb9c4387b4563 /tests | |
| parent | ff537b0370ab5918052b8d8a798e803c47272406 (diff) | |
tests/tcg/s390x: Test CKSM
Add a small test to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20230724082032.66864-9-iii@linux.ibm.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/tcg/s390x/Makefile.softmmu-target | 1 | ||||
| -rw-r--r-- | tests/tcg/s390x/cksm.S | 29 |
2 files changed, 30 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index 242c7b0f83..e813e318db 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -16,6 +16,7 @@ LDFLAGS=-nostdlib -static ASM_TESTS = \ bal \ + cksm \ exrl-ssm-early \ sam \ lpsw \ diff --git a/tests/tcg/s390x/cksm.S b/tests/tcg/s390x/cksm.S new file mode 100644 index 0000000000..563fd3d233 --- /dev/null +++ b/tests/tcg/s390x/cksm.S @@ -0,0 +1,29 @@ + .org 0x8e +program_interruption_code: + .org 0x1d0 /* program new PSW */ + .quad 0,pgm + .org 0x200 /* lowcore padding */ + .globl _start +_start: + lmg %r0,%r1,cksm_args + cksm %r2,%r0 + c %r2,cksm_exp + jne failure + .insn rre,0xb2410000,%r2,%r15 /* cksm %r2,%r15 */ +failure: + lpswe failure_psw +pgm: + chhsi program_interruption_code,6 /* specification exception? */ + jne failure + lpswe success_psw +cksm_args: + .quad cksm_buf, 16 +cksm_buf: + .quad 0xaaaabbbbcccc0000, 0x12345678 +cksm_exp: + .long 0x89ab1234 + .align 8 +success_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000000000000,0 /* disabled wait */ |