From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Cornelia Huck <cohuck@redhat.com>, Thomas Huth <thuth@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Eric Farman <farman@linux.ibm.com>,
David Hildenbrand <david@redhat.com>
Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org,
Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH 3/3] tests/tcg/s390x: Test unaligned accesses to lowcore
Date: Mon, 11 Jul 2022 20:56:40 +0200 [thread overview]
Message-ID: <20220711185640.3558813-4-iii@linux.ibm.com> (raw)
In-Reply-To: <20220711185640.3558813-1-iii@linux.ibm.com>
Add a small test to avoid regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tests/tcg/s390x/Makefile.softmmu-target | 9 +++++++++
tests/tcg/s390x/unaligned-lowcore.S | 24 ++++++++++++++++++++++++
2 files changed, 33 insertions(+)
create mode 100644 tests/tcg/s390x/Makefile.softmmu-target
create mode 100644 tests/tcg/s390x/unaligned-lowcore.S
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target
new file mode 100644
index 0000000000..fdee4a7616
--- /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=-device mmio-debug-exit,base=0x2000 -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..2b34c3d5ef
--- /dev/null
+++ b/tests/tcg/s390x/unaligned-lowcore.S
@@ -0,0 +1,24 @@
+ .org 0x1D0 /* Program new PSW */
+ .quad 0x180000000, _pgm /* BA, EA */
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ lctlg %c0,%c0,_c0
+ vst %v0,_unaligned
+ mviy _exit,0
+
+_pgm:
+ mviy _exit,1
+
+ .align 8
+_c0:
+ .quad 0x10060000 /* lowcore protection, AFP, VX */
+
+ .byte 0
+_unaligned:
+ .octa 0
+
+ .org 0x2000 /* mmio-debug-exit base */
+_exit:
+ .byte 0
--
2.35.3
prev parent reply other threads:[~2022-07-11 19:06 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-11 18:56 [PATCH 0/3] accel/tcg: Fix unaligned stores to s390x low-address-protected lowcore Ilya Leoshkevich
2022-07-11 18:56 ` [PATCH 1/3] " Ilya Leoshkevich
2022-07-12 5:12 ` Richard Henderson
2022-07-12 7:14 ` David Hildenbrand
2022-07-11 18:56 ` [PATCH 2/3] hw/misc: Add mmio-debug-exit device Ilya Leoshkevich
2022-07-12 5:12 ` Richard Henderson
2022-07-12 9:52 ` Ilya Leoshkevich
2022-07-12 10:08 ` David Hildenbrand
2022-07-12 10:08 ` David Hildenbrand
2022-07-12 10:30 ` Ilya Leoshkevich
2022-07-11 18:56 ` Ilya Leoshkevich [this message]
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