kselftest: arm64: extend toplevel skeleton Makefile

# SPDX-License-Identifier: GPL-2.0

TARGETS = android

TARGETS += arm64

TARGETS += bpf

TARGETS += breakpoints

TARGETS += capabilities

# SPDX-License-Identifier: GPL-2.0

# ARCH can be overridden by the user for cross compiling

# When ARCH not overridden for crosscompiling, lookup machine

ARCH ?= $(shell uname -m 2>/dev/null || echo not)

ifneq (,$(filter $(ARCH),aarch64 arm64))

CFLAGS += -I../../../../usr/include/

TEST_GEN_PROGS := tags_test

TEST_PROGS := run_tags_test.sh

ARM64_SUBTARGETS ?= tags

else

ARM64_SUBTARGETS :=

endif

include ../lib.mk

CFLAGS := -Wall -O2 -g

# A proper top_srcdir is needed by KSFT(lib.mk)

top_srcdir = $(realpath ../../../../)

# Additional include paths needed by kselftest.h and local headers

CFLAGS += -I$(top_srcdir)/tools/testing/selftests/

# Guessing where the Kernel headers could have been installed

# depending on ENV config

ifeq ($(KBUILD_OUTPUT),)

khdr_dir = $(top_srcdir)/usr/include

else

# the KSFT preferred location when KBUILD_OUTPUT is set

khdr_dir = $(KBUILD_OUTPUT)/kselftest/usr/include

endif

CFLAGS += -I$(khdr_dir)

export CFLAGS

export top_srcdir

all:

	@for DIR in $(ARM64_SUBTARGETS); do				\

		BUILD_TARGET=$(OUTPUT)/$$DIR;			\

		mkdir -p $$BUILD_TARGET;			\

		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\

	done

install: all

	@for DIR in $(ARM64_SUBTARGETS); do				\

		BUILD_TARGET=$(OUTPUT)/$$DIR;			\

		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\

	done

run_tests: all

	@for DIR in $(ARM64_SUBTARGETS); do				\

		BUILD_TARGET=$(OUTPUT)/$$DIR;			\

		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\

	done

# Avoid any output on non arm64 on emit_tests

emit_tests: all

	@for DIR in $(ARM64_SUBTARGETS); do				\

		BUILD_TARGET=$(OUTPUT)/$$DIR;			\

		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\

	done

clean:

	@for DIR in $(ARM64_SUBTARGETS); do				\

		BUILD_TARGET=$(OUTPUT)/$$DIR;			\

		make OUTPUT=$$BUILD_TARGET -C $$DIR $@;		\

	done

.PHONY: all clean install run_tests emit_tests

KSelfTest ARM64

===============

- These tests are arm64 specific and so not built or run but just skipped

  completely when env-variable ARCH is found to be different than 'arm64'

  and `uname -m` reports other than 'aarch64'.

- Holding true the above, ARM64 KSFT tests can be run within the KSelfTest

  framework using standard Linux top-level-makefile targets:

      $ make TARGETS=arm64 kselftest-clean

      $ make TARGETS=arm64 kselftest

      or

      $ make -C tools/testing/selftests TARGETS=arm64 \

		INSTALL_PATH=<your-installation-path> install

      or, alternatively, only specific arm64/ subtargets can be picked:

      $ make -C tools/testing/selftests TARGETS=arm64 ARM64_SUBTARGETS="tags signal" \

		INSTALL_PATH=<your-installation-path> install

   Further details on building and running KFST can be found in:

     Documentation/dev-tools/kselftest.rst

# SPDX-License-Identifier: GPL-2.0

CFLAGS += -I../../../../../usr/include/

TEST_GEN_PROGS := tags_test

TEST_PROGS := run_tags_test.sh

include ../../lib.mk