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 C322CC7618A for ; Mon, 20 Mar 2023 13:04:21 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1peFB1-0001DH-H3; Mon, 20 Mar 2023 09:03:51 -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 1peFAw-0001BU-SU for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:03:47 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1peFAt-0006Aa-MD for qemu-devel@nongnu.org; Mon, 20 Mar 2023 09:03:46 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1679317421; 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=5D82ZElhu3SNpr6BvVZ4dy/q8S0YCRhrxSrjSftshiI=; b=BqT8OnXt75nhXdRbf6TAT25RXIAsOn3Hk5Ga5IemXSW4vubjySi8sbkWo4rHU3LS+vynUV 9grHMp4FZFsRdi/Z+enZ66tecn5G3eSP2FcQZb76z5n8a18X9Mq6zYoHcvWI9zrPdc1CAo Fkg1s65/cl28SrvvaOKsebG0g2qW2VY= 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-287-UBTLW1FZPdWGFT1NOZsXnw-1; Mon, 20 Mar 2023 09:03:38 -0400 X-MC-Unique: UBTLW1FZPdWGFT1NOZsXnw-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 C4B228065C5; Mon, 20 Mar 2023 13:03:37 +0000 (UTC) Received: from thuth.com (unknown [10.39.193.77]) by smtp.corp.redhat.com (Postfix) with ESMTP id 12F47C15BA0; Mon, 20 Mar 2023 13:03:36 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Cc: Ilya Leoshkevich Subject: [PULL 04/24] tests/tcg/s390x: Add PSW modification tests Date: Mon, 20 Mar 2023 14:03:10 +0100 Message-Id: <20230320130330.406378-5-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=170.10.129.124; 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 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 Message-Id: <20230315020408.384766-4-iii@linux.ibm.com> Signed-off-by: Thomas Huth --- 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 725b6c598d..607f6ba21a 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 0000000000..68fbd87b3a --- /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 0000000000..b37dec59b7 --- /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 0000000000..90a7f213df --- /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 0000000000..6dfe40c597 --- /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 0000000000..0689924f3a --- /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 */ -- 2.31.1