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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>
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9
tests/tcg/s390x/Makefile.softmmu-target
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tests/tcg/s390x/Makefile.softmmu-target
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S390X_SRC=$(SRC_PATH)/tests/tcg/s390x
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VPATH+=$(S390X_SRC)
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QEMU_OPTS=-action panic=exit-failure -kernel
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%: %.S
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$(CC) -march=z13 -m64 -nostartfiles -static -Wl,-Ttext=0 \
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-Wl,--build-id=none $< -o $@
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TESTS += unaligned-lowcore
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tests/tcg/s390x/unaligned-lowcore.S
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tests/tcg/s390x/unaligned-lowcore.S
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.org 0x1D0 /* program new PSW */
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.quad 0x2000000000000,0 /* disabled wait */
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.org 0x200 /* lowcore padding */
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.globl _start
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_start:
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lctlg %c0,%c0,_c0
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vst %v0,_unaligned
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lpswe quiesce_psw
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.align 8
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quiesce_psw:
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.quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
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_c0:
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.quad 0x10060000 /* lowcore protection, AFP, VX */
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.byte 0
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_unaligned:
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.octa 0
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