From: Ilya Leoshkevich <iii@linux.ibm.com>
To: Richard Henderson <richard.henderson@linaro.org>,
David Hildenbrand <david@redhat.com>,
Thomas Huth <thuth@redhat.com>
Cc: qemu-s390x@nongnu.org, qemu-devel@nongnu.org,
Ilya Leoshkevich <iii@linux.ibm.com>
Subject: [PATCH v2 3/3] tests/tcg/s390x: Add PSW modification tests
Date: Wed, 15 Mar 2023 03:04:08 +0100 [thread overview]
Message-ID: <20230315020408.384766-4-iii@linux.ibm.com> (raw)
In-Reply-To: <20230315020408.384766-1-iii@linux.ibm.com>
Add several small tests that check the PSW modification instructions:
* lpsw.S checks whether LPSW works correctly in the "happy" case.
* lpswe-early.S checks whether early exceptions are recognized and
whether the correct ILC and old PSW are stored when they happen.
* ssm-early.S, stosm-early.S and exrl-ssm-early.S check the special
handling of SSM and STOSM with respect to early exceptions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
tests/tcg/s390x/Makefile.softmmu-target | 5 +++
tests/tcg/s390x/exrl-ssm-early.S | 43 +++++++++++++++++++++++++
tests/tcg/s390x/lpsw.S | 36 +++++++++++++++++++++
tests/tcg/s390x/lpswe-early.S | 38 ++++++++++++++++++++++
tests/tcg/s390x/ssm-early.S | 41 +++++++++++++++++++++++
tests/tcg/s390x/stosm-early.S | 41 +++++++++++++++++++++++
6 files changed, 204 insertions(+)
create mode 100644 tests/tcg/s390x/exrl-ssm-early.S
create mode 100644 tests/tcg/s390x/lpsw.S
create mode 100644 tests/tcg/s390x/lpswe-early.S
create mode 100644 tests/tcg/s390x/ssm-early.S
create mode 100644 tests/tcg/s390x/stosm-early.S
diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target
index 725b6c598db..607f6ba21a4 100644
--- a/tests/tcg/s390x/Makefile.softmmu-target
+++ b/tests/tcg/s390x/Makefile.softmmu-target
@@ -9,3 +9,8 @@ QEMU_OPTS=-action panic=exit-failure -kernel
TESTS += unaligned-lowcore
TESTS += bal
TESTS += sam
+TESTS += lpsw
+TESTS += lpswe-early
+TESTS += ssm-early
+TESTS += stosm-early
+TESTS += exrl-ssm-early
diff --git a/tests/tcg/s390x/exrl-ssm-early.S b/tests/tcg/s390x/exrl-ssm-early.S
new file mode 100644
index 00000000000..68fbd87b3a5
--- /dev/null
+++ b/tests/tcg/s390x/exrl-ssm-early.S
@@ -0,0 +1,43 @@
+/*
+ * Test early exception recognition using EXRL + SSM.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+ .org 0x8d
+ilc:
+ .org 0x8e
+program_interruption_code:
+ .org 0x150
+program_old_psw:
+ .org 0x1D0 /* program new PSW */
+ .quad 0,pgm
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ exrl %r0,ssm
+expected_pswa:
+ j failure
+ssm:
+ ssm ssm_op
+
+pgm:
+ chhsi program_interruption_code,0x6 /* specification exception? */
+ jne failure
+ cli ilc,6 /* ilc for EXRL? */
+ jne failure
+ clc program_old_psw(16),expected_old_psw /* correct old PSW? */
+ jne failure
+ lpswe success_psw
+failure:
+ lpswe failure_psw
+
+ssm_op:
+ .byte 0x08 /* bit 4 set */
+ .align 8
+expected_old_psw:
+ .quad 0x0800000180000000,expected_pswa /* bit 2 set */
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */
diff --git a/tests/tcg/s390x/lpsw.S b/tests/tcg/s390x/lpsw.S
new file mode 100644
index 00000000000..b37dec59b73
--- /dev/null
+++ b/tests/tcg/s390x/lpsw.S
@@ -0,0 +1,36 @@
+/*
+ * Test the LPSW instruction.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+ .org 0x140
+svc_old_psw:
+ .org 0x1c0 /* supervisor call new PSW */
+ .quad 0x80000000,svc /* 31-bit mode */
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ lpsw short_psw
+lpsw_target:
+ svc 0
+expected_pswa:
+ j failure
+
+svc:
+ clc svc_old_psw(16),expected_psw /* correct full PSW? */
+ jne failure
+ lpswe success_psw
+failure:
+ lpswe failure_psw
+
+ .align 8
+short_psw:
+ .long 0x90001,0x80000000+lpsw_target /* problem state,
+ 64-bit mode */
+expected_psw:
+ .quad 0x1000180000000,expected_pswa /* corresponds to short_psw */
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */
diff --git a/tests/tcg/s390x/lpswe-early.S b/tests/tcg/s390x/lpswe-early.S
new file mode 100644
index 00000000000..90a7f213dfb
--- /dev/null
+++ b/tests/tcg/s390x/lpswe-early.S
@@ -0,0 +1,38 @@
+/*
+ * Test early exception recognition using LPSWE.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+ .org 0x8d
+ilc:
+ .org 0x8e
+program_interruption_code:
+ .org 0x150
+program_old_psw:
+ .org 0x1D0 /* program new PSW */
+ .quad 0,pgm
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ lpswe bad_psw
+ j failure
+
+pgm:
+ chhsi program_interruption_code,0x6 /* specification exception? */
+ jne failure
+ cli ilc,0 /* ilc zero? */
+ jne failure
+ clc program_old_psw(16),bad_psw /* correct old PSW? */
+ jne failure
+ lpswe success_psw
+failure:
+ lpswe failure_psw
+
+ .align 8
+bad_psw:
+ .quad 0x8000000000000000,0xfedcba9876543210 /* bit 0 set */
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */
diff --git a/tests/tcg/s390x/ssm-early.S b/tests/tcg/s390x/ssm-early.S
new file mode 100644
index 00000000000..6dfe40c597b
--- /dev/null
+++ b/tests/tcg/s390x/ssm-early.S
@@ -0,0 +1,41 @@
+/*
+ * Test early exception recognition using SSM.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+ .org 0x8d
+ilc:
+ .org 0x8e
+program_interruption_code:
+ .org 0x150
+program_old_psw:
+ .org 0x1D0 /* program new PSW */
+ .quad 0,pgm
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ ssm ssm_op
+expected_pswa:
+ j failure
+
+pgm:
+ chhsi program_interruption_code,0x6 /* specification exception? */
+ jne failure
+ cli ilc,4 /* ilc for SSM? */
+ jne failure
+ clc program_old_psw(16),expected_old_psw /* correct old PSW? */
+ jne failure
+ lpswe success_psw
+failure:
+ lpswe failure_psw
+
+ssm_op:
+ .byte 0x20 /* bit 2 set */
+ .align 8
+expected_old_psw:
+ .quad 0x2000000180000000,expected_pswa /* bit 2 set */
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */
diff --git a/tests/tcg/s390x/stosm-early.S b/tests/tcg/s390x/stosm-early.S
new file mode 100644
index 00000000000..0689924f3a4
--- /dev/null
+++ b/tests/tcg/s390x/stosm-early.S
@@ -0,0 +1,41 @@
+/*
+ * Test early exception recognition using STOSM.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+ .org 0x8d
+ilc:
+ .org 0x8e
+program_interruption_code:
+ .org 0x150
+program_old_psw:
+ .org 0x1D0 /* program new PSW */
+ .quad 0,pgm
+ .org 0x200 /* lowcore padding */
+
+ .globl _start
+_start:
+ stosm ssm_op,0x10 /* bit 3 set */
+expected_pswa:
+ j failure
+
+pgm:
+ chhsi program_interruption_code,0x6 /* specification exception? */
+ jne failure
+ cli ilc,4 /* ilc for STOSM? */
+ jne failure
+ clc program_old_psw(16),expected_old_psw /* correct old PSW? */
+ jne failure
+ lpswe success_psw
+failure:
+ lpswe failure_psw
+
+ssm_op:
+ .byte 0
+ .align 8
+expected_old_psw:
+ .quad 0x1000000180000000,expected_pswa /* bit 3 set */
+success_psw:
+ .quad 0x2000000000000,0xfff /* see is_special_wait_psw() */
+failure_psw:
+ .quad 0x2000000000000,0 /* disabled wait */
--
2.39.2
prev parent reply other threads:[~2023-03-15 2:05 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 2:04 [PATCH v2 0/3] target/s390x: Implement Early Exception Recognition Ilya Leoshkevich
2023-03-15 2:04 ` [PATCH v2 1/3] target/s390x: Fix LPSW Ilya Leoshkevich
2023-03-15 8:56 ` David Hildenbrand
2023-03-15 2:04 ` [PATCH v2 2/3] target/s390x: Implement Early Exception Recognition Ilya Leoshkevich
2023-03-15 8:57 ` David Hildenbrand
2023-03-15 2:04 ` Ilya Leoshkevich [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20230315020408.384766-4-iii@linux.ibm.com \
--to=iii@linux.ibm.com \
--cc=david@redhat.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-s390x@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=thuth@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).