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