From nobody Mon Feb 9 15:07:01 2026 Received: from foss.arm.com (foss.arm.com [217.140.110.172]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AAEE215FCE5; Fri, 5 Apr 2024 08:50:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=217.140.110.172 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712307009; cv=none; b=KbonToAGYINBXgzLBEKl6rG5hzFiMUVXHf/UNXpddiBhrBwoL1WxQBDOc9TGidwxY90J6BWgyQ0XJQFCMmWFGBQXpCnGVD6doGWuXMxvrsGFcOyPjzj1qiNqpb7J5AAL2cnL0OUsonix5sDMWK29Dn5KeLEQFaiXDWH/sp9o9M0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712307009; c=relaxed/simple; bh=9XmSaTIPqe9Pt3FDDTmsRHsZ/7wIjsNeFBiZvnO0NS0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=ejfReHN5dsx0wgCKAyMMWaQiJhQhyvEnz0tgGfBfBwnrwerIQ7qzoh5x7iHYN+xelMOnrNyEnEYslczwxR1nfKyYdAwlxniSHVQ/AvST4rdLBj8QjzFDyNzqH1daOLvo4MtBOm3Vrq70C1twtLIeGp8gCb4qQW2ksadpWfPn8dg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com; spf=pass smtp.mailfrom=arm.com; arc=none smtp.client-ip=217.140.110.172 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=arm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=arm.com Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B34F5FEC; Fri, 5 Apr 2024 01:50:36 -0700 (PDT) Received: from e116581.blr.arm.com (e116581.arm.com [10.162.43.7]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id DB4553F64C; Fri, 5 Apr 2024 01:50:01 -0700 (PDT) From: Dev Jain To: shuah@kernel.org, linux-arm-kernel@lists.infradead.org Cc: linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org, Anshuman.Khandual@arm.com, suzuki.poulose@arm.com, ryan.roberts@arm.com, rob.herring@arm.com, Catalin.Marinas@arm.com, broonie@kernel.org, will@kernel.org, mark.rutland@arm.com, Dev Jain Subject: [PATCH 4/4] selftests: Add build infrastructure along with README Date: Fri, 5 Apr 2024 14:14:10 +0530 Message-Id: <20240405084410.256788-5-dev.jain@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240405084410.256788-1-dev.jain@arm.com> References: <20240405084410.256788-1-dev.jain@arm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add arm target, individual Makefile targets, and instructions to build the tests. Signed-off-by: Dev Jain --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/arm/Makefile | 57 +++++++++++++++++++++ tools/testing/selftests/arm/README | 31 +++++++++++ tools/testing/selftests/arm/elf/Makefile | 6 +++ tools/testing/selftests/arm/mm/Makefile | 6 +++ tools/testing/selftests/arm/signal/Makefile | 30 +++++++++++ 6 files changed, 131 insertions(+) create mode 100644 tools/testing/selftests/arm/Makefile create mode 100644 tools/testing/selftests/arm/README create mode 100644 tools/testing/selftests/arm/elf/Makefile create mode 100644 tools/testing/selftests/arm/mm/Makefile create mode 100644 tools/testing/selftests/arm/signal/Makefile diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Mak= efile index 15b6a111c3be..8478d94cda4c 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 TARGETS +=3D alsa TARGETS +=3D amd-pstate +TARGETS +=3D arm TARGETS +=3D arm64 TARGETS +=3D bpf TARGETS +=3D breakpoints diff --git a/tools/testing/selftests/arm/Makefile b/tools/testing/selftests= /arm/Makefile new file mode 100644 index 000000000000..039224bc006e --- /dev/null +++ b/tools/testing/selftests/arm/Makefile @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: GPL-2.0 + +# When ARCH not overridden for crosscompiling, lookup machine +ARCH ?=3D $(shell uname -m 2>/dev/null || echo not) + +ifneq (,$(filter $(ARCH),aarch64 arm64 arm armv7l armv8l)) +ARM_SUBTARGETS ?=3D mm signal elf +else +ARM_SUBTARGETS :=3D +endif + +CFLAGS :=3D -Wall -O2 -g -static + +# A proper top_srcdir is needed by KSFT(lib.mk) +top_srcdir =3D $(realpath ../../../../) + +# Additional include paths needed by kselftest.h and local headers +CFLAGS +=3D -I$(top_srcdir)/tools/testing/selftests/ + +CFLAGS +=3D -I$(top_srcdir)/tools/include + +export CFLAGS +export top_srcdir + +all: + @for DIR in $(ARM_SUBTARGETS); do \ + BUILD_TARGET=3D$(OUTPUT)/$$DIR; \ + mkdir -p $$BUILD_TARGET; \ + make OUTPUT=3D$$BUILD_TARGET -C $$DIR $@; \ + done + +install: all + @for DIR in $(ARM_SUBTARGETS); do \ + BUILD_TARGET=3D$(OUTPUT)/$$DIR; \ + make OUTPUT=3D$$BUILD_TARGET -C $$DIR $@; \ + done + +run_tests: all + @for DIR in $(ARM_SUBTARGETS); do \ + BUILD_TARGET=3D$(OUTPUT)/$$DIR; \ + make OUTPUT=3D$$BUILD_TARGET -C $$DIR $@; \ + done + +# Avoid any output on non arm on emit_tests +emit_tests: + @for DIR in $(ARM_SUBTARGETS); do \ + BUILD_TARGET=3D$(OUTPUT)/$$DIR; \ + make OUTPUT=3D$$BUILD_TARGET -C $$DIR $@; \ + done + +clean: + @for DIR in $(ARM_SUBTARGETS); do \ + BUILD_TARGET=3D$(OUTPUT)/$$DIR; \ + make OUTPUT=3D$$BUILD_TARGET -C $$DIR $@; \ + done + +.PHONY: all clean install run_tests emit_tests diff --git a/tools/testing/selftests/arm/README b/tools/testing/selftests/a= rm/README new file mode 100644 index 000000000000..1a05c043d7ee --- /dev/null +++ b/tools/testing/selftests/arm/README @@ -0,0 +1,31 @@ +KSelfTest ARM +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +- This is a series of compatibility tests, wherein the source files are + built statically into a 32 bit ELF; they should pass on both 32 and 64 + bit kernels. They are not built or run but just skipped completely when + env-variable ARCH is found to be different than 'arm64' or 'arm' and + `uname -m` reports other than 'aarch64', 'armv7l' or 'armv8l'. + +- Please ensure that the test kernel is built with CONFIG_COMPAT enabled. + +- Holding true the above, ARM KSFT tests can be run within the KSelfTest + framework using standard Linux top-level-makefile targets. Please set + $(CROSS_COMPILE) to 'arm-linux-gnueabi-' or 'arm-linux-gnueabihf-'. + + $ make TARGETS=3Darm kselftest-clean + $ make $(CROSS_COMPILE) TARGETS=3Darm kselftest + + or + + $ make $(CROSS_COMPILE) -C tools/testing/selftests TARGETS=3Darm \ + INSTALL_PATH=3D install + + or, alternatively, only specific arm/ subtargets can be picked: + + $ make $(CROSS_COMPILE) -C tools/testing/selftests TARGETS=3Darm \ + ARM_SUBTARGETS=3D"signal" INSTALL_PATH=3D \ + install + + Further details on building and running KFST can be found in: + Documentation/dev-tools/kselftest.rst diff --git a/tools/testing/selftests/arm/elf/Makefile b/tools/testing/selft= ests/arm/elf/Makefile new file mode 100644 index 000000000000..86636fe02994 --- /dev/null +++ b/tools/testing/selftests/arm/elf/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2024 ARM Limited + +TEST_GEN_PROGS :=3D parse_elf + +include ../../lib.mk diff --git a/tools/testing/selftests/arm/mm/Makefile b/tools/testing/selfte= sts/arm/mm/Makefile new file mode 100644 index 000000000000..d8bfa45df98c --- /dev/null +++ b/tools/testing/selftests/arm/mm/Makefile @@ -0,0 +1,6 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2024 ARM Limited + +TEST_GEN_PROGS :=3D compat_va + +include ../../lib.mk diff --git a/tools/testing/selftests/arm/signal/Makefile b/tools/testing/se= lftests/arm/signal/Makefile new file mode 100644 index 000000000000..3540a25de75a --- /dev/null +++ b/tools/testing/selftests/arm/signal/Makefile @@ -0,0 +1,30 @@ +# SPDX-License-Identifier: GPL-2.0 +# Copyright (C) 2024 ARM Limited + +# Additional include paths needed by kselftest.h and local headers +CFLAGS +=3D -D_GNU_SOURCE -std=3Dgnu99 -I. + +SRCS :=3D $(filter-out testcases/testcases.c,$(wildcard testcases/*.c)) +PROGS :=3D $(patsubst %.c,%,$(SRCS)) + +# Generated binaries to be installed by top KSFT script +TEST_GEN_PROGS :=3D $(notdir $(PROGS)) + +# Get Kernel headers installed and use them. + +# Including KSFT lib.mk here will also mangle the TEST_GEN_PROGS list +# to account for any OUTPUT target-dirs optionally provided by +# the toplevel makefile +include ../../lib.mk + +$(TEST_GEN_PROGS): $(PROGS) + cp $(PROGS) $(OUTPUT)/ + +# Common test-unit targets to build common-layout test-cases executables +# Needs secondary expansion to properly include the testcase c-file in pre= -reqs +COMMON_SOURCES :=3D test_signals.c test_signals_utils.c +COMMON_HEADERS :=3D test_signals.h test_signals_utils.h + +.SECONDEXPANSION: +$(PROGS): $$@.c ${COMMON_SOURCES} ${COMMON_HEADERS} + $(CC) $(CFLAGS) ${@}.c ${COMMON_SOURCES} -o $@ --=20 2.39.2