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>
--- /dev/null
+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
--- /dev/null
+ .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