1# SPDX-License-Identifier: GPL-2.0 2 3# When ARCH not overridden for crosscompiling, lookup machine 4ARCH ?= $(shell uname -m 2>/dev/null || echo not) 5 6ifneq (,$(filter $(ARCH),aarch64 arm64)) 7ARM64_SUBTARGETS ?= tags signal pauth fp mte bti abi 8else 9ARM64_SUBTARGETS := 10endif 11 12CFLAGS := -Wall -O2 -g 13 14# A proper top_srcdir is needed by KSFT(lib.mk) 15top_srcdir = $(realpath ../../../../) 16 17# Additional include paths needed by kselftest.h and local headers 18CFLAGS += -I$(top_srcdir)/tools/testing/selftests/ 19 20CFLAGS += $(KHDR_INCLUDES) 21 22export CFLAGS 23export top_srcdir 24 25all: 26 @for DIR in $(ARM64_SUBTARGETS); do \ 27 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 28 mkdir -p $$BUILD_TARGET; \ 29 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 30 done 31 32install: all 33 @for DIR in $(ARM64_SUBTARGETS); do \ 34 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 35 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 36 done 37 38run_tests: all 39 @for DIR in $(ARM64_SUBTARGETS); do \ 40 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 41 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 42 done 43 44# Avoid any output on non arm64 on emit_tests 45emit_tests: all 46 @for DIR in $(ARM64_SUBTARGETS); do \ 47 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 48 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 49 done 50 51clean: 52 @for DIR in $(ARM64_SUBTARGETS); do \ 53 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 54 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 55 done 56 57.PHONY: all clean install run_tests emit_tests 58