diff options
| author | Ilya Leoshkevich <iii@linux.ibm.com> | 2022-07-26 00:37:46 +0200 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2022-07-29 09:48:01 +0100 |
| commit | 503e549e441e6f28eaf8a5ffd0edd3e1eba9cfec (patch) | |
| tree | fd967e74a0f8cef7dc273669178259d723d81b3b /tests/tcg | |
| parent | 0882caf4d607bcfb1efa99034f5f045f30eb43d7 (diff) | |
tests/tcg/s390x: Test unaligned accesses to lowcore
Add a small test to avoid regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220725223746.227063-3-iii@linux.ibm.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Diffstat (limited to 'tests/tcg')
| -rw-r--r-- | tests/tcg/s390x/Makefile.softmmu-target | 9 | ||||
| -rw-r--r-- | tests/tcg/s390x/unaligned-lowcore.S | 19 |
2 files changed, 28 insertions, 0 deletions
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target new file mode 100644 index 0000000000..a34fa68473 --- /dev/null +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -0,0 +1,9 @@ +S390X_SRC=$(SRC_PATH)/tests/tcg/s390x +VPATH+=$(S390X_SRC) +QEMU_OPTS=-action panic=exit-failure -kernel + +%: %.S + $(CC) -march=z13 -m64 -nostartfiles -static -Wl,-Ttext=0 \ + -Wl,--build-id=none $< -o $@ + +TESTS += unaligned-lowcore diff --git a/tests/tcg/s390x/unaligned-lowcore.S b/tests/tcg/s390x/unaligned-lowcore.S new file mode 100644 index 0000000000..f5da2ae64c --- /dev/null +++ b/tests/tcg/s390x/unaligned-lowcore.S @@ -0,0 +1,19 @@ + .org 0x1D0 /* program new PSW */ + .quad 0x2000000000000,0 /* disabled wait */ + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + lctlg %c0,%c0,_c0 + vst %v0,_unaligned + lpswe quiesce_psw + + .align 8 +quiesce_psw: + .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */ +_c0: + .quad 0x10060000 /* lowcore protection, AFP, VX */ + + .byte 0 +_unaligned: + .octa 0 |