From patchwork Tue Apr 25 22:48:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ilya Leoshkevich X-Patchwork-Id: 13223828 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 CD9C6C77B7F for ; Tue, 25 Apr 2023 22:50:02 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1prRT9-0002ZW-Oy; Tue, 25 Apr 2023 18:49:07 -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 1prRT8-0002Yf-63; Tue, 25 Apr 2023 18:49:06 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1prRT5-00045A-3J; 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Tue, 25 Apr 2023 22:48:54 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EB87F20040; Tue, 25 Apr 2023 22:48:53 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.10.36]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 25 Apr 2023 22:48:53 +0000 (GMT) From: Ilya Leoshkevich To: =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , David Hildenbrand Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, =?utf-8?q?Thomas_Wei=C3=9F?= =?utf-8?q?schuh?= , Peter Maydell , Ilya Leoshkevich Subject: [PATCH v3 1/2] tests/tcg/multiarch: Make the system memory test work on big-endian Date: Wed, 26 Apr 2023 00:48:49 +0200 Message-Id: <20230425224850.2116064-2-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230425224850.2116064-1-iii@linux.ibm.com> References: <20230425224850.2116064-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: V2qOAkd7wEiIMpsf8-jB5jYTp0Lkheth X-Proofpoint-GUID: Btl2GUnH3dZQ3Tq94bBz0FDUKw40iO69 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-25_08,2023-04-25_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 malwarescore=0 spamscore=0 mlxscore=0 mlxlogscore=999 suspectscore=0 phishscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304250201 Received-SPF: pass client-ip=148.163.158.5; envelope-from=iii@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 Store the bytes in descending order on big-endian. Invert the logic in the multi-byte signed tests on big-endian. Make the checks in the multi-byte signed tests stricter. Signed-off-by: Ilya Leoshkevich Reviewed-by: Alex Bennée --- tests/tcg/multiarch/system/memory.c | 64 +++++++++++++++++++---------- 1 file changed, 42 insertions(+), 22 deletions(-) diff --git a/tests/tcg/multiarch/system/memory.c b/tests/tcg/multiarch/system/memory.c index 214f7d4f54b..eaae6929cb3 100644 --- a/tests/tcg/multiarch/system/memory.c +++ b/tests/tcg/multiarch/system/memory.c @@ -40,18 +40,21 @@ static void pdot(int count) } /* - * Helper macros for shift/extract so we can keep our endian handling - * in one place. + * Helper macros for endian handling. */ -#define BYTE_SHIFT(b, pos) ((uint64_t)b << (pos * 8)) -#define BYTE_EXTRACT(b, pos) ((b >> (pos * 8)) & 0xff) +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#define BYTE_SHIFT(b, pos) (b << (pos * 8)) +#define BYTE_NEXT(b) ((b)++) +#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ +#define BYTE_SHIFT(b, pos) (b << ((sizeof(b) - 1 - (pos)) * 8)) +#define BYTE_NEXT(b) ((b)--) +#else +#error Unsupported __BYTE_ORDER__ +#endif /* - * Fill the data with ascending value bytes. - * - * Currently we only support Little Endian machines so write in - * ascending address order. When we read higher address bytes should - * either be zero or higher than the lower bytes. + * Fill the data with ascending (for little-endian) or descending (for + * big-endian) value bytes. */ static void init_test_data_u8(int unused_offset) @@ -62,14 +65,14 @@ static void init_test_data_u8(int unused_offset) ml_printf("Filling test area with u8:"); for (i = 0; i < TEST_SIZE; i++) { - *ptr++ = count++; + *ptr++ = BYTE_NEXT(count); pdot(i); } ml_printf("done\n"); } /* - * Full the data with alternating positive and negative bytes. This + * Fill the data with alternating positive and negative bytes. This * should mean for reads larger than a byte all subsequent reads will * stay either negative or positive. We never write 0. */ @@ -119,7 +122,7 @@ static void init_test_data_u16(int offset) reset_start_data(offset); for (i = 0; i < max; i++) { - uint8_t low = count++, high = count++; + uint16_t low = BYTE_NEXT(count), high = BYTE_NEXT(count); word = BYTE_SHIFT(high, 1) | BYTE_SHIFT(low, 0); *ptr++ = word; pdot(i); @@ -139,9 +142,10 @@ static void init_test_data_u32(int offset) reset_start_data(offset); for (i = 0; i < max; i++) { - uint8_t b4 = count++, b3 = count++; - uint8_t b2 = count++, b1 = count++; - word = BYTE_SHIFT(b1, 3) | BYTE_SHIFT(b2, 2) | BYTE_SHIFT(b3, 1) | b4; + uint32_t b4 = BYTE_NEXT(count), b3 = BYTE_NEXT(count); + uint32_t b2 = BYTE_NEXT(count), b1 = BYTE_NEXT(count); + word = BYTE_SHIFT(b1, 3) | BYTE_SHIFT(b2, 2) | BYTE_SHIFT(b3, 1) | + BYTE_SHIFT(b4, 0); *ptr++ = word; pdot(i); } @@ -160,13 +164,13 @@ static void init_test_data_u64(int offset) reset_start_data(offset); for (i = 0; i < max; i++) { - uint8_t b8 = count++, b7 = count++; - uint8_t b6 = count++, b5 = count++; - uint8_t b4 = count++, b3 = count++; - uint8_t b2 = count++, b1 = count++; + uint64_t b8 = BYTE_NEXT(count), b7 = BYTE_NEXT(count); + uint64_t b6 = BYTE_NEXT(count), b5 = BYTE_NEXT(count); + uint64_t b4 = BYTE_NEXT(count), b3 = BYTE_NEXT(count); + uint64_t b2 = BYTE_NEXT(count), b1 = BYTE_NEXT(count); word = BYTE_SHIFT(b1, 7) | BYTE_SHIFT(b2, 6) | BYTE_SHIFT(b3, 5) | BYTE_SHIFT(b4, 4) | BYTE_SHIFT(b5, 3) | BYTE_SHIFT(b6, 2) | - BYTE_SHIFT(b7, 1) | b8; + BYTE_SHIFT(b7, 1) | BYTE_SHIFT(b8, 0); *ptr++ = word; pdot(i); } @@ -374,12 +378,20 @@ static bool read_test_data_s16(int offset, bool neg_first) ml_printf("Reading s16 from %#lx (offset %d, %s):", ptr, offset, neg_first ? "neg" : "pos"); + /* + * If the first byte is negative, then the last byte is positive. + * Therefore the logic below must be flipped for big-endian. + */ +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ + neg_first = !neg_first; +#endif + for (i = 0; i < max; i++) { int32_t data = *ptr++; if (neg_first && data < 0) { pdot(i); - } else if (data > 0) { + } else if (!neg_first && data > 0) { pdot(i); } else { ml_printf("Error %d %c 0\n", data, neg_first ? '<' : '>'); @@ -399,12 +411,20 @@ static bool read_test_data_s32(int offset, bool neg_first) ml_printf("Reading s32 from %#lx (offset %d, %s):", ptr, offset, neg_first ? "neg" : "pos"); + /* + * If the first byte is negative, then the last byte is positive. + * Therefore the logic below must be flipped for big-endian. + */ +#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ + neg_first = !neg_first; +#endif + for (i = 0; i < max; i++) { int64_t data = *ptr++; if (neg_first && data < 0) { pdot(i); - } else if (data > 0) { + } else if (!neg_first && data > 0) { pdot(i); } else { ml_printf("Error %d %c 0\n", data, neg_first ? 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Tue, 25 Apr 2023 22:48:55 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1181520040; Tue, 25 Apr 2023 22:48:55 +0000 (GMT) Received: from heavy.boeblingen.de.ibm.com (unknown [9.171.10.36]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 25 Apr 2023 22:48:54 +0000 (GMT) From: Ilya Leoshkevich To: =?utf-8?q?Alex_Benn=C3=A9e?= , Richard Henderson , David Hildenbrand Cc: qemu-devel@nongnu.org, qemu-s390x@nongnu.org, =?utf-8?q?Thomas_Wei=C3=9F?= =?utf-8?q?schuh?= , Peter Maydell , Ilya Leoshkevich Subject: [PATCH v3 2/2] tests/tcg/s390x: Enable the multiarch system tests Date: Wed, 26 Apr 2023 00:48:50 +0200 Message-Id: <20230425224850.2116064-3-iii@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230425224850.2116064-1-iii@linux.ibm.com> References: <20230425224850.2116064-1-iii@linux.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: QNKsBi18B2Wo5PA6-0f7VeHei5khX-RW X-Proofpoint-ORIG-GUID: ATI3K4jVxKzIKGqfoXFciWNomnQGzu_s X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-25_08,2023-04-25_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 phishscore=0 spamscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 clxscore=1015 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304250201 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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 Multiarch tests are written in C and need support for printing characters. Instead of implementing the runtime from scratch, just reuse the pc-bios/s390-ccw one. Run tests with -nographic in order to enable SCLP (enable this for the existing tests as well, since it does not hurt). Use the default linker script for the new tests. Signed-off-by: Ilya Leoshkevich Reviewed-by: Richard Henderson --- tests/tcg/s390x/Makefile.softmmu-target | 40 +++++++++++++++++-------- tests/tcg/s390x/console.c | 12 ++++++++ tests/tcg/s390x/head64.S | 31 +++++++++++++++++++ 3 files changed, 71 insertions(+), 12 deletions(-) create mode 100644 tests/tcg/s390x/console.c create mode 100644 tests/tcg/s390x/head64.S diff --git a/tests/tcg/s390x/Makefile.softmmu-target b/tests/tcg/s390x/Makefile.softmmu-target index 3e7f72abcdc..e22df5e1c58 100644 --- a/tests/tcg/s390x/Makefile.softmmu-target +++ b/tests/tcg/s390x/Makefile.softmmu-target @@ -1,25 +1,41 @@ S390X_SRC=$(SRC_PATH)/tests/tcg/s390x VPATH+=$(S390X_SRC) -QEMU_OPTS=-action panic=exit-failure -kernel +QEMU_OPTS=-action panic=exit-failure -nographic -kernel LINK_SCRIPT=$(S390X_SRC)/softmmu.ld -LDFLAGS=-nostdlib -static -Wl,-T$(LINK_SCRIPT) -Wl,--build-id=none +CFLAGS+=-ggdb -O0 +LDFLAGS=-nostdlib -static %.o: %.S $(CC) -march=z13 -m64 -c $< -o $@ -%: %.o $(LINK_SCRIPT) +%.o: %.c + $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -march=z13 -m64 -c $< -o $@ + +%: %.o $(CC) $< -o $@ $(LDFLAGS) -TESTS += unaligned-lowcore -TESTS += bal -TESTS += sam -TESTS += lpsw -TESTS += lpswe-early -TESTS += ssm-early -TESTS += stosm-early -TESTS += exrl-ssm-early +ASM_TESTS = \ + bal \ + exrl-ssm-early \ + sam \ + lpsw \ + lpswe-early \ + ssm-early \ + stosm-early \ + unaligned-lowcore 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) +ASM_TESTS += $(PGM_SPECIFICATION_TESTS) + +$(ASM_TESTS): LDFLAGS += -Wl,-T$(LINK_SCRIPT) -Wl,--build-id=none +$(ASM_TESTS): $(LINK_SCRIPT) +TESTS += $(ASM_TESTS) + +S390X_MULTIARCH_RUNTIME_OBJS = head64.o console.o $(MINILIB_OBJS) +$(MULTIARCH_TESTS): $(S390X_MULTIARCH_RUNTIME_OBJS) +$(MULTIARCH_TESTS): LDFLAGS += $(S390X_MULTIARCH_RUNTIME_OBJS) +$(MULTIARCH_TESTS): CFLAGS += $(MINILIB_INC) +memory: CFLAGS += -DCHECK_UNALIGNED=0 +TESTS += $(MULTIARCH_TESTS) diff --git a/tests/tcg/s390x/console.c b/tests/tcg/s390x/console.c new file mode 100644 index 00000000000..d43ce3f44b4 --- /dev/null +++ b/tests/tcg/s390x/console.c @@ -0,0 +1,12 @@ +/* + * Console code for multiarch tests. + * Reuses the pc-bios/s390-ccw implementation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include "../../../pc-bios/s390-ccw/sclp.c" + +void __sys_outc(char c) +{ + write(1, &c, sizeof(c)); +} diff --git a/tests/tcg/s390x/head64.S b/tests/tcg/s390x/head64.S new file mode 100644 index 00000000000..c6f36dfea4b --- /dev/null +++ b/tests/tcg/s390x/head64.S @@ -0,0 +1,31 @@ +/* + * Startup code for multiarch tests. + * Reuses the pc-bios/s390-ccw implementation. + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#define main main_pre +#include "../../../pc-bios/s390-ccw/start.S" +#undef main + +main_pre: + aghi %r15,-160 /* reserve stack for C code */ + brasl %r14,sclp_setup + brasl %r14,main + larl %r1,success_psw /* check main() return code */ + ltgr %r2,%r2 + je 0f + larl %r1,failure_psw +0: + lpswe 0(%r1) + + .align 8 +success_psw: + .quad 0x2000180000000,0xfff /* see is_special_wait_psw() */ +failure_psw: + .quad 0x2000180000000,0 /* disabled wait */ + + .section .bss + .align 0x1000 +stack: + .skip 0x8000