From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9F698C6FD1D for ; Mon, 20 Mar 2023 13:06:49 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1peFBQ-0001N8-GD; Mon, 20 Mar 2023 09:04:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1peFBG-0001Jr-GI for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:04:06 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1peFBD-0006LD-M8 for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:04:05 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679317443; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=YIRlkPX33qd6XO1+ZwUn8Ud9UfDrR0B+DCHfeBH+oQY=; b=fpJvAlTCXnRY4PQtNwKMYb+JATbdfsxyrorC88ho1i3YtLn3IraIzKng2gFYlDMwJCuqsM 5CnkyDyIwNpBnFEKcio4bSQL/5jNoLB7SuFg9xnFtP5rcFXHO/0Bve4mojxy5xuCaQGCyg I695+Q8h6orH5XGruBdxOaeWONT5usk= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-416-1KKFNFSoO2uPPxzUoaSTZA-1; Mon, 20 Mar 2023 09:03:59 -0400 X-MC-Unique: 1KKFNFSoO2uPPxzUoaSTZA-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5D034855300; Mon, 20 Mar 2023 13:03:59 +0000 (UTC) Received: from thuth.com (unknown [10.39.193.77]) by smtp.corp.redhat.com (Postfix) with ESMTP id 921D0C15BA0; Mon, 20 Mar 2023 13:03:58 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Cc: Ilya Leoshkevich Subject: [PULL 20/24] tests/tcg/s390x: Test unaligned accesses Date: Mon, 20 Mar 2023 14:03:26 +0100 Message-Id: <20230320130330.406378-21-thuth@redhat.com> In-Reply-To: <20230320130330.406378-1-thuth@redhat.com> References: <20230320130330.406378-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.8 Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ilya Leoshkevich Add a number of small test that check whether accessing unaligned addresses in various ways leads to a specification exception. Run these test both in softmmu and user configurations; expect a PGM in one case and SIGILL in the other. Signed-off-by: Ilya Leoshkevich Reviewed-by: Thomas Huth Message-Id: <20230316164428.275147-13-iii@linux.ibm.com> [thuth: Added -Wl,--build-id=none to LDFLAGS] Signed-off-by: Thomas Huth --- tests/tcg/s390x/pgm-specification.mak | 15 ++++++++ tests/tcg/s390x/pgm-specification-user.c | 37 +++++++++++++++++++ tests/tcg/s390x/Makefile.softmmu-target | 15 ++++++-- tests/tcg/s390x/Makefile.target | 8 +++++ tests/tcg/s390x/br-odd.S | 16 +++++++++ tests/tcg/s390x/cgrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/clrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/crl-unaligned.S | 16 +++++++++ tests/tcg/s390x/ex-odd.S | 17 +++++++++ tests/tcg/s390x/lgrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/llgfrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/lpswe-unaligned.S | 18 ++++++++++ tests/tcg/s390x/lrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/pgm-specification-softmmu.S | 40 +++++++++++++++++++++ tests/tcg/s390x/softmmu.ld | 20 +++++++++++ tests/tcg/s390x/stgrl-unaligned.S | 16 +++++++++ tests/tcg/s390x/strl-unaligned.S | 16 +++++++++ 17 files changed, 311 insertions(+), 3 deletions(-) create mode 100644 tests/tcg/s390x/pgm-specification.mak create mode 100644 tests/tcg/s390x/pgm-specification-user.c create mode 100644 tests/tcg/s390x/br-odd.S create mode 100644 tests/tcg/s390x/cgrl-unaligned.S create mode 100644 tests/tcg/s390x/clrl-unaligned.S create mode 100644 tests/tcg/s390x/crl-unaligned.S create mode 100644 tests/tcg/s390x/ex-odd.S create mode 100644 tests/tcg/s390x/lgrl-unaligned.S create mode 100644 tests/tcg/s390x/llgfrl-unaligned.S create mode 100644 tests/tcg/s390x/lpswe-unaligned.S create mode 100644 tests/tcg/s390x/lrl-unaligned.S create mode 100644 tests/tcg/s390x/pgm-specification-softmmu.S create mode 100644 tests/tcg/s390x/softmmu.ld create mode 100644 tests/tcg/s390x/stgrl-unaligned.S create mode 100644 tests/tcg/s390x/strl-unaligned.S diff --git a/tests/tcg/s390x/pgm-specification.mak b/tests/tcg/s390x/pgm-specification.mak new file mode 100644 index 0000000000..2999aee26e --- /dev/null +++ b/tests/tcg/s390x/pgm-specification.mak @@ -0,0 +1,15 @@ +# SPDX-License-Identifier: GPL-2.0-or-later +# List of specification exception tests. +# Shared between the softmmu and the user makefiles. +PGM_SPECIFICATION_TESTS = \ + br-odd \ + cgrl-unaligned \ + clrl-unaligned \ + crl-unaligned \ + ex-odd \ + lgrl-unaligned \ + llgfrl-unaligned \ + lpswe-unaligned \ + lrl-unaligned \ + stgrl-unaligned \ + strl-unaligned diff --git a/tests/tcg/s390x/pgm-specification-user.c b/tests/tcg/s390x/pgm-specification-user.c new file mode 100644 index 0000000000..9ee6907b7c --- /dev/null +++ b/tests/tcg/s390x/pgm-specification-user.c @@ -0,0 +1,37 @@ +/* + * Common user code for specification exception testing. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include +#include +#include +#include +#include + +extern void test(void); +extern long expected_old_psw[2]; + +static void handle_sigill(int sig, siginfo_t *info, void *ucontext) +{ + if ((long)info->si_addr != expected_old_psw[1]) { + _exit(EXIT_FAILURE); + } + _exit(EXIT_SUCCESS); +} + +int main(void) +{ + struct sigaction act; + int err; + + memset(&act, 0, sizeof(act)); + act.sa_sigaction = handle_sigill; + act.sa_flags = SA_SIGINFO; + err = sigaction(SIGILL, &act, NULL); + assert(err == 0); + + test(); + + return EXIT_FAILURE; +} diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index 607f6ba21a..3e7f72abcd 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -1,10 +1,14 @@ S390X_SRC=$(SRC_PATH)/tests/tcg/s390x VPATH+=$(S390X_SRC) QEMU_OPTS=-action panic=exit-failure -kernel +LINK_SCRIPT=$(S390X_SRC)/softmmu.ld +LDFLAGS=-nostdlib -static -Wl,-T$(LINK_SCRIPT) -Wl,--build-id=none -%: %.S - $(CC) -march=z13 -m64 -nostdlib -static -Wl,-Ttext=0 \ - -Wl,--build-id=none $< -o $@ +%.o: %.S + $(CC) -march=z13 -m64 -c $< -o $@ + +%: %.o $(LINK_SCRIPT) + $(CC) $< -o $@ $(LDFLAGS) TESTS += unaligned-lowcore TESTS += bal @@ -14,3 +18,8 @@ TESTS += lpswe-early TESTS += ssm-early TESTS += stosm-early TESTS += exrl-ssm-early + +include $(S390X_SRC)/pgm-specification.mak +$(PGM_SPECIFICATION_TESTS): pgm-specification-softmmu.o +$(PGM_SPECIFICATION_TESTS): LDFLAGS+=pgm-specification-softmmu.o +TESTS += $(PGM_SPECIFICATION_TESTS) diff --git a/tests/tcg/s390x/Makefile.target b/tests/tcg/s390x/Makefile.target index 510bbd9b28..0031868b13 100644 --- a/tests/tcg/s390x/Makefile.target +++ b/tests/tcg/s390x/Makefile.target @@ -2,6 +2,9 @@ S390X_SRC=$(SRC_PATH)/tests/tcg/s390x VPATH+=$(S390X_SRC) CFLAGS+=-march=zEC12 -m64 +%.o: %.c + $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -c $< -o $@ + config-cc.mak: Makefile $(quiet-@)( \ $(call cc-option,-march=z14, CROSS_CC_HAS_Z14); \ @@ -37,6 +40,11 @@ cdsg: LDFLAGS+=-pthread rxsbg: CFLAGS+=-O2 +include $(S390X_SRC)/pgm-specification.mak +$(PGM_SPECIFICATION_TESTS): pgm-specification-user.o +$(PGM_SPECIFICATION_TESTS): LDFLAGS+=pgm-specification-user.o +TESTS += $(PGM_SPECIFICATION_TESTS) + Z13_TESTS=vistr $(Z13_TESTS): CFLAGS+=-march=z13 -O2 TESTS+=$(Z13_TESTS) diff --git a/tests/tcg/s390x/br-odd.S b/tests/tcg/s390x/br-odd.S new file mode 100644 index 0000000000..2fae47a9e3 --- /dev/null +++ b/tests/tcg/s390x/br-odd.S @@ -0,0 +1,16 @@ +/* + * Test BRanching to a non-mapped odd address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + lgrl %r1,odd_addr + br %r1 + + .align 8 +odd_addr: + .quad 0xDDDDDDDDDDDDDDDD + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,0xDDDDDDDDDDDDDDDD diff --git a/tests/tcg/s390x/cgrl-unaligned.S b/tests/tcg/s390x/cgrl-unaligned.S new file mode 100644 index 0000000000..164d68f2e6 --- /dev/null +++ b/tests/tcg/s390x/cgrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test CGRL with a non-doubleword aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + cgrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .long 0 +unaligned: + .quad 0 diff --git a/tests/tcg/s390x/clrl-unaligned.S b/tests/tcg/s390x/clrl-unaligned.S new file mode 100644 index 0000000000..182b1b6462 --- /dev/null +++ b/tests/tcg/s390x/clrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test CLRL with a non-word aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + clrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .short 0 +unaligned: + .long 0 diff --git a/tests/tcg/s390x/crl-unaligned.S b/tests/tcg/s390x/crl-unaligned.S new file mode 100644 index 0000000000..b86fbe0ef3 --- /dev/null +++ b/tests/tcg/s390x/crl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test CRL with a non-word aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + crl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .short 0 +unaligned: + .long 0 diff --git a/tests/tcg/s390x/ex-odd.S b/tests/tcg/s390x/ex-odd.S new file mode 100644 index 0000000000..4e42a47df3 --- /dev/null +++ b/tests/tcg/s390x/ex-odd.S @@ -0,0 +1,17 @@ +/* + * Test EXECUTing a non-mapped odd address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + lgrl %r1,odd_addr +fail: + ex 0,0(%r1) + + .align 8 +odd_addr: + .quad 0xDDDDDDDDDDDDDDDD + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,fail diff --git a/tests/tcg/s390x/lgrl-unaligned.S b/tests/tcg/s390x/lgrl-unaligned.S new file mode 100644 index 0000000000..ef8d51d47c --- /dev/null +++ b/tests/tcg/s390x/lgrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test LGRL from a non-doubleword aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + lgrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .long 0 +unaligned: + .quad 0 diff --git a/tests/tcg/s390x/llgfrl-unaligned.S b/tests/tcg/s390x/llgfrl-unaligned.S new file mode 100644 index 0000000000..c9b4eeaecf --- /dev/null +++ b/tests/tcg/s390x/llgfrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test LLGFRL from a non-word aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + llgfrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .short 0 +unaligned: + .long 0 diff --git a/tests/tcg/s390x/lpswe-unaligned.S b/tests/tcg/s390x/lpswe-unaligned.S new file mode 100644 index 0000000000..989f249a6a --- /dev/null +++ b/tests/tcg/s390x/lpswe-unaligned.S @@ -0,0 +1,18 @@ +/* + * Test LPSWE from a non-doubleword aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + larl %r1,unaligned +fail: + lpswe 0(%r1) + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,fail + .long 0 +unaligned: + .quad 0 diff --git a/tests/tcg/s390x/lrl-unaligned.S b/tests/tcg/s390x/lrl-unaligned.S new file mode 100644 index 0000000000..11eb07f93a --- /dev/null +++ b/tests/tcg/s390x/lrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test LRL from a non-word aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + lrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .short 0 +unaligned: + .long 0 diff --git a/tests/tcg/s390x/pgm-specification-softmmu.S b/tests/tcg/s390x/pgm-specification-softmmu.S new file mode 100644 index 0000000000..d534f4e505 --- /dev/null +++ b/tests/tcg/s390x/pgm-specification-softmmu.S @@ -0,0 +1,40 @@ +/* + * Common softmmu code for specification exception testing. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .section .head + .org 0x8d +ilc: + .org 0x8e +program_interruption_code: + .org 0x150 +program_old_psw: + .org 0x1D0 /* program new PSW */ + .quad 0x180000000,pgm /* 64-bit mode */ + .org 0x200 /* lowcore padding */ + + .globl _start +_start: + lpswe test_psw + +pgm: + chhsi program_interruption_code,0x6 /* PGM_SPECIFICATION? */ + jne failure + lg %r0,expected_old_psw+8 /* ilc adjustment */ + llgc %r1,ilc + agr %r0,%r1 + stg %r0,expected_old_psw+8 + clc expected_old_psw(16),program_old_psw /* correct location? */ + jne failure + lpswe success_psw +failure: + lpswe failure_psw + + .align 8 +test_psw: + .quad 0x180000000,test /* 64-bit mode */ +success_psw: + .quad 0x2000180000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000180000000,0 /* disabled wait */ diff --git a/tests/tcg/s390x/softmmu.ld b/tests/tcg/s390x/softmmu.ld new file mode 100644 index 0000000000..ea944eaa3c --- /dev/null +++ b/tests/tcg/s390x/softmmu.ld @@ -0,0 +1,20 @@ +/* + * Linker script for the softmmu test kernels. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +ENTRY(_start) + +SECTIONS { + . = 0; + + .text : { + *(.head) + *(.text) + } + + /DISCARD/ : { + *(*) + } +} diff --git a/tests/tcg/s390x/stgrl-unaligned.S b/tests/tcg/s390x/stgrl-unaligned.S new file mode 100644 index 0000000000..32df37780a --- /dev/null +++ b/tests/tcg/s390x/stgrl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test STGRL to a non-doubleword aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + stgrl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .long 0 +unaligned: + .quad 0 diff --git a/tests/tcg/s390x/strl-unaligned.S b/tests/tcg/s390x/strl-unaligned.S new file mode 100644 index 0000000000..1d248819f0 --- /dev/null +++ b/tests/tcg/s390x/strl-unaligned.S @@ -0,0 +1,16 @@ +/* + * Test STRL to a non-word aligned address. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + .globl test +test: + strl %r1,unaligned + + .align 8 + .globl expected_old_psw +expected_old_psw: + .quad 0x180000000,test + .short 0 +unaligned: + .long 0 -- 2.31.1