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 gcs 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 += $(KHDR_INCLUDES) 21 22CFLAGS += -I$(top_srcdir)/tools/include 23 24OUTPUT ?= $(CURDIR) 25 26export CFLAGS 27export top_srcdir 28 29all: 30 @for DIR in $(ARM64_SUBTARGETS); do \ 31 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 32 mkdir -p $$BUILD_TARGET; \ 33 make OUTPUT=$$BUILD_TARGET -C $$DIR $@ \ 34 $(if $(FORCE_TARGETS),|| exit); \ 35 done 36 37install: all 38 @for DIR in $(ARM64_SUBTARGETS); do \ 39 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 40 make OUTPUT=$$BUILD_TARGET -C $$DIR $@ \ 41 $(if $(FORCE_TARGETS),|| exit); \ 42 done 43 44run_tests: all 45 @for DIR in $(ARM64_SUBTARGETS); do \ 46 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 47 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 48 done 49 50# Avoid any output on non arm64 on emit_tests 51emit_tests: 52 @for DIR in $(ARM64_SUBTARGETS); do \ 53 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 54 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 55 done 56 57clean: 58 @for DIR in $(ARM64_SUBTARGETS); do \ 59 BUILD_TARGET=$(OUTPUT)/$$DIR; \ 60 make OUTPUT=$$BUILD_TARGET -C $$DIR $@; \ 61 done 62 63.PHONY: all clean install run_tests emit_tests 64