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