1# SPDX-License-Identifier: GPL-2.0
2TARGETS += alsa
3TARGETS += amd-pstate
4TARGETS += arm64
5TARGETS += bpf
6TARGETS += breakpoints
7TARGETS += cachestat
8TARGETS += capabilities
9TARGETS += cgroup
10TARGETS += clone3
11TARGETS += connector
12TARGETS += core
13TARGETS += cpufreq
14TARGETS += cpu-hotplug
15TARGETS += damon
16TARGETS += devices
17TARGETS += dmabuf-heaps
18TARGETS += drivers/dma-buf
19TARGETS += drivers/s390x/uvdevice
20TARGETS += drivers/net/bonding
21TARGETS += drivers/net/team
22TARGETS += dt
23TARGETS += efivarfs
24TARGETS += exec
25TARGETS += fchmodat2
26TARGETS += filesystems
27TARGETS += filesystems/binderfs
28TARGETS += filesystems/epoll
29TARGETS += filesystems/fat
30TARGETS += filesystems/overlayfs
31TARGETS += filesystems/statmount
32TARGETS += firmware
33TARGETS += fpu
34TARGETS += ftrace
35TARGETS += futex
36TARGETS += gpio
37TARGETS += hid
38TARGETS += intel_pstate
39TARGETS += iommu
40TARGETS += ipc
41TARGETS += ir
42TARGETS += kcmp
43TARGETS += kexec
44TARGETS += kvm
45TARGETS += landlock
46TARGETS += lib
47TARGETS += livepatch
48TARGETS += lkdtm
49TARGETS += lsm
50TARGETS += membarrier
51TARGETS += memfd
52TARGETS += memory-hotplug
53TARGETS += mincore
54TARGETS += mount
55TARGETS += mount_setattr
56TARGETS += move_mount_set_group
57TARGETS += mqueue
58TARGETS += nci
59TARGETS += net
60TARGETS += net/af_unix
61TARGETS += net/forwarding
62TARGETS += net/hsr
63TARGETS += net/mptcp
64TARGETS += net/openvswitch
65TARGETS += net/tcp_ao
66TARGETS += netfilter
67TARGETS += nsfs
68TARGETS += perf_events
69TARGETS += pidfd
70TARGETS += pid_namespace
71TARGETS += power_supply
72TARGETS += powerpc
73TARGETS += prctl
74TARGETS += proc
75TARGETS += pstore
76TARGETS += ptrace
77TARGETS += openat2
78TARGETS += resctrl
79TARGETS += riscv
80TARGETS += rlimits
81TARGETS += rseq
82TARGETS += rtc
83TARGETS += rust
84TARGETS += seccomp
85TARGETS += sgx
86TARGETS += sigaltstack
87TARGETS += size
88TARGETS += sparc64
89TARGETS += splice
90TARGETS += static_keys
91TARGETS += sync
92TARGETS += syscall_user_dispatch
93TARGETS += sysctl
94TARGETS += tc-testing
95TARGETS += tdx
96TARGETS += thermal/intel/power_floor
97TARGETS += thermal/intel/workload_hint
98TARGETS += timens
99ifneq (1, $(quicktest))
100TARGETS += timers
101endif
102TARGETS += tmpfs
103TARGETS += tpm2
104TARGETS += tty
105TARGETS += uevent
106TARGETS += user
107TARGETS += user_events
108TARGETS += vDSO
109TARGETS += mm
110TARGETS += x86
111TARGETS += zram
112#Please keep the TARGETS list alphabetically sorted
113# Run "make quicktest=1 run_tests" or
114# "make quicktest=1 kselftest" from top level Makefile
115
116TARGETS_HOTPLUG = cpu-hotplug
117TARGETS_HOTPLUG += memory-hotplug
118
119# User can optionally provide a TARGETS skiplist.  By default we skip
120# BPF since it has cutting edge build time dependencies which require
121# more effort to install.
122SKIP_TARGETS ?= bpf
123ifneq ($(SKIP_TARGETS),)
124	TMP := $(filter-out $(SKIP_TARGETS), $(TARGETS))
125	override TARGETS := $(TMP)
126endif
127
128# User can set FORCE_TARGETS to 1 to require all targets to be successfully
129# built; make will fail if any of the targets cannot be built. If
130# FORCE_TARGETS is not set (the default), make will succeed if at least one
131# of the targets gets built.
132FORCE_TARGETS ?=
133
134# Clear LDFLAGS and MAKEFLAGS when implicit rules are missing.  This provides
135# implicit rules to sub-test Makefiles which avoids build failures in test
136# Makefile that don't have explicit build rules.
137ifeq (,$(LINK.c))
138override LDFLAGS =
139override MAKEFLAGS =
140endif
141
142# Append kselftest to KBUILD_OUTPUT and O to avoid cluttering
143# KBUILD_OUTPUT with selftest objects and headers installed
144# by selftests Makefile or lib.mk.
145ifdef building_out_of_srctree
146override LDFLAGS =
147endif
148
149top_srcdir ?= ../../..
150
151ifeq ("$(origin O)", "command line")
152  KBUILD_OUTPUT := $(O)
153endif
154
155ifneq ($(KBUILD_OUTPUT),)
156  # Make's built-in functions such as $(abspath ...), $(realpath ...) cannot
157  # expand a shell special character '~'. We use a somewhat tedious way here.
158  abs_objtree := $(shell cd $(top_srcdir) && mkdir -p $(KBUILD_OUTPUT) && cd $(KBUILD_OUTPUT) && pwd)
159  $(if $(abs_objtree),, \
160    $(error failed to create output directory "$(KBUILD_OUTPUT)"))
161  # $(realpath ...) resolves symlinks
162  abs_objtree := $(realpath $(abs_objtree))
163  BUILD := $(abs_objtree)/kselftest
164  KHDR_INCLUDES := -isystem ${abs_objtree}/usr/include
165else
166  BUILD := $(CURDIR)
167  abs_srctree := $(shell cd $(top_srcdir) && pwd)
168  KHDR_INCLUDES := -isystem ${abs_srctree}/usr/include
169  DEFAULT_INSTALL_HDR_PATH := 1
170endif
171
172# Prepare for headers install
173include $(top_srcdir)/scripts/subarch.include
174ARCH           ?= $(SUBARCH)
175export BUILD
176export KHDR_INCLUDES
177
178# set default goal to all, so make without a target runs all, even when
179# all isn't the first target in the file.
180.DEFAULT_GOAL := all
181
182all:
183	@ret=1;							\
184	for TARGET in $(TARGETS); do				\
185		BUILD_TARGET=$$BUILD/$$TARGET;			\
186		mkdir $$BUILD_TARGET  -p;			\
187		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET	\
188				O=$(abs_objtree)		\
189				$(if $(FORCE_TARGETS),|| exit);	\
190		ret=$$((ret * $$?));				\
191	done; exit $$ret;
192
193run_tests: all
194	@for TARGET in $(TARGETS); do \
195		BUILD_TARGET=$$BUILD/$$TARGET;	\
196		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_tests \
197				SRC_PATH=$(shell readlink -e $$(pwd)) \
198				OBJ_PATH=$(BUILD)                   \
199				O=$(abs_objtree);		    \
200	done;
201
202hotplug:
203	@for TARGET in $(TARGETS_HOTPLUG); do \
204		BUILD_TARGET=$$BUILD/$$TARGET;	\
205		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET;\
206	done;
207
208run_hotplug: hotplug
209	@for TARGET in $(TARGETS_HOTPLUG); do \
210		BUILD_TARGET=$$BUILD/$$TARGET;	\
211		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET run_full_test;\
212	done;
213
214clean_hotplug:
215	@for TARGET in $(TARGETS_HOTPLUG); do \
216		BUILD_TARGET=$$BUILD/$$TARGET;	\
217		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
218	done;
219
220run_pstore_crash:
221	$(MAKE) -C pstore run_crash
222
223# Use $BUILD as the default install root. $BUILD points to the
224# right output location for the following cases:
225# 1. output_dir=kernel_src
226# 2. a separate output directory is specified using O= KBUILD_OUTPUT
227# 3. a separate output directory is specified using KBUILD_OUTPUT
228# Avoid conflict with INSTALL_PATH set by the main Makefile
229#
230KSFT_INSTALL_PATH ?= $(BUILD)/kselftest_install
231KSFT_INSTALL_PATH := $(abspath $(KSFT_INSTALL_PATH))
232# Avoid changing the rest of the logic here and lib.mk.
233INSTALL_PATH := $(KSFT_INSTALL_PATH)
234ALL_SCRIPT := $(INSTALL_PATH)/run_kselftest.sh
235TEST_LIST := $(INSTALL_PATH)/kselftest-list.txt
236
237install: all
238ifdef INSTALL_PATH
239	@# Ask all targets to install their files
240	mkdir -p $(INSTALL_PATH)/kselftest
241	install -m 744 kselftest/module.sh $(INSTALL_PATH)/kselftest/
242	install -m 744 kselftest/runner.sh $(INSTALL_PATH)/kselftest/
243	install -m 744 kselftest/prefix.pl $(INSTALL_PATH)/kselftest/
244	install -m 744 kselftest/ktap_helpers.sh $(INSTALL_PATH)/kselftest/
245	install -m 744 run_kselftest.sh $(INSTALL_PATH)/
246	rm -f $(TEST_LIST)
247	@ret=1;	\
248	for TARGET in $(TARGETS); do \
249		BUILD_TARGET=$$BUILD/$$TARGET;	\
250		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET install \
251				INSTALL_PATH=$(INSTALL_PATH)/$$TARGET \
252				SRC_PATH=$(shell readlink -e $$(pwd)) \
253				OBJ_PATH=$(INSTALL_PATH) \
254				O=$(abs_objtree)		\
255				$(if $(FORCE_TARGETS),|| exit);	\
256		ret=$$((ret * $$?));		\
257	done; exit $$ret;
258
259
260	@# Ask all targets to emit their test scripts
261	@# While building kselftest-list.text skip also non-existent TARGET dirs:
262	@# they could be the result of a build failure and should NOT be
263	@# included in the generated runlist.
264	for TARGET in $(TARGETS); do \
265		BUILD_TARGET=$$BUILD/$$TARGET;	\
266		[ ! -d $(INSTALL_PATH)/$$TARGET ] && printf "Skipping non-existent dir: $$TARGET\n" && continue; \
267		printf "Emit Tests for $$TARGET\n"; \
268		$(MAKE) -s --no-print-directory OUTPUT=$$BUILD_TARGET COLLECTION=$$TARGET \
269			-C $$TARGET emit_tests >> $(TEST_LIST); \
270	done;
271else
272	$(error Error: set INSTALL_PATH to use install)
273endif
274
275FORMAT ?= .gz
276TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
277gen_tar: install
278	@mkdir -p ${INSTALL_PATH}/kselftest-packages/
279	@tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
280	@echo "Created ${TAR_PATH}"
281
282clean:
283	@for TARGET in $(TARGETS); do \
284		BUILD_TARGET=$$BUILD/$$TARGET;	\
285		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
286	done;
287
288.PHONY: all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar
289