summaryrefslogtreecommitdiffstats
path: root/Makefile
blob: 701a146a261763b1c3cb9e07dec7d5e0bfc08618 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
##
## This file is part of the coreboot project.
##
## Copyright (C) 2008 Advanced Micro Devices, Inc.
## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
## Copyright (C) 2009-2010 coresystems GmbH
## Copyright (C) 2011 secunet Security Networks AG
##
## Redistribution and use in source and binary forms, with or without
## modification, are permitted provided that the following conditions
## are met:
## 1. Redistributions of source code must retain the above copyright
##    notice, this list of conditions and the following disclaimer.
## 2. Redistributions in binary form must reproduce the above copyright
##    notice, this list of conditions and the following disclaimer in the
##    documentation and/or other materials provided with the distribution.
## 3. The name of the author may not be used to endorse or promote products
##    derived from this software without specific prior written permission.
##
## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
## ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
## SUCH DAMAGE.
##

export top := $(CURDIR)
export src := src
export srck := $(top)/util/kconfig
obj ?= build
override obj := $(subst $(top)/,,$(abspath $(obj)))
export obj
export objutil ?= $(obj)/util
export objk := $(objutil)/kconfig
absobj := $(abspath $(obj))


export KCONFIG_AUTOHEADER := $(obj)/config.h
export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
export KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
export KCONFIG_SPLITCONFIG := $(obj)/config
export KCONFIG_TRISTATE := $(obj)/tristate.conf
export KCONFIG_NEGATIVES := 1
export KCONFIG_STRICT := 1

# directory containing the toplevel Makefile.inc
TOPLEVEL := .

CONFIG_SHELL := sh
KBUILD_DEFCONFIG := configs/defconfig
UNAME_RELEASE := $(shell uname -r)
DOTCONFIG ?= $(top)/.config
KCONFIG_CONFIG = $(DOTCONFIG)
export KCONFIG_CONFIG
HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
MAKEFLAGS += -rR --no-print-directory

# Make is silent per default, but 'make V=1' will show all compiler calls.
Q:=@
ifneq ($(V),1)
ifneq ($(Q),)
.SILENT:
endif
endif

# Disable implicit/built-in rules to make Makefile errors fail fast.
.SUFFIXES:

HOSTCC := $(if $(shell type gcc 2>/dev/null),gcc,cc)
HOSTCXX = g++
HOSTCFLAGS := -g
HOSTCXXFLAGS := -g

PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .

DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen

all: real-all

help_coreboot help::
	@echo  '*** coreboot platform targets ***'
	@echo  '  Use "make [target] V=1" for extra build debug information'
	@echo  '  all                   - Build coreboot'
	@echo  '  clean                 - Remove coreboot build artifacts'
	@echo  '  distclean             - Remove build artifacts and config files'
	@echo  '  doxygen               - Build doxygen documentation for coreboot'
	@echo  '  doxyplatform          - Build doxygen documentation for the current platform'
	@echo  '  what-jenkins-does     - Run platform build tests (Use CPUS=# for more cores)'
	@echo  '  printall              - print makefile info for debugging'
	@echo  '  lint / lint-stable    - run coreboot lint tools (all / minimal)'
	@echo  '  gitconfig             - set up git to submit patches to coreboot'
	@echo  '  ctags / ctags-project - make ctags file for all of coreboot or current board'
	@echo  '  cscope / cscope-project - make cscope.out file for coreboot or current board'
	@echo

# This include must come _before_ the pattern rules below!
# Order _does_ matter for pattern rules.
include $(srck)/Makefile

# Three cases where we don't need fully populated $(obj) lists:
# 1. when no .config exists
# 2. when make config (in any flavour) is run
# 3. when make distclean is run
# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
NOCOMPILE:=1
endif
ifneq ($(MAKECMDGOALS),)
ifneq ($(filter %config %clean cross% clang iasl gnumake lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
NOCOMPILE:=1
endif
ifeq ($(MAKECMDGOALS), %clean)
NOMKDIR:=1
endif
endif

ifeq ($(NOCOMPILE),1)
include $(TOPLEVEL)/Makefile.inc
include $(TOPLEVEL)/payloads/Makefile.inc
real-all:
	@echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
	@echo "Please specify a config file or run 'make menuconfig' to" >&2
	@echo "generate a new config file." >&2
	@exit 1
else

include $(DOTCONFIG)

# in addition to the dependency below, create the file if it doesn't exist
# to silence stupid warnings about a file that would be generated anyway.
$(if $(wildcard .xcompile)$(NOCOMPILE),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))

.xcompile: util/xcompile/xcompile
	rm -f $@
	$< $(XGCCPATH) > $@.tmp
	\mv -f $@.tmp $@ 2> /dev/null
	rm -f $@.tmp

-include .xcompile

ifneq ($(XCOMPILE_COMPLETE),1)
$(shell rm -f .xcompile)
$(error .xcompile deleted because it's invalid. \
	Restarting the build should fix that, or explain the problem)
endif

ifneq ($(CONFIG_MMX),y)
CFLAGS_x86_32 += -mno-mmx
endif

include toolchain.inc

strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
# fix makefile syntax highlighting after strip macro \" "))

# The primary target needs to be here before we include the
# other files

real-all: real-target

# must come rather early
.SECONDEXPANSION:

$(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
	+$(MAKE) oldconfig

# Add a new class of source/object files to the build system
add-class= \
	$(eval $(1)-srcs:=) \
	$(eval $(1)-objs:=) \
	$(eval classes+=$(1))

# Special classes are managed types with special behaviour
# On parse time, for each entry in variable $(1)-y
# a handler $(1)-handler is executed with the arguments:
# * $(1): directory the parser is in
# * $(2): current entry
add-special-class= \
	$(eval $(1):=) \
	$(eval special-classes+=$(1))

# Converts one or more source file paths to their corresponding build/ paths.
# Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
# their name.
# $1 stage name
# $2 file path (list)
src-to-obj=\
	$(patsubst $(obj)/%,$(obj)/$(1)/%,\
	$(patsubst $(obj)/$(1)/%,$(obj)/%,\
	$(patsubst 3rdparty/%,$(obj)/%,\
	$(patsubst src/%,$(obj)/%,\
	$(patsubst %.ads,%.o,\
	$(patsubst %.adb,%.o,\
	$(patsubst %.c,%.o,\
	$(patsubst %.S,%.o,\
	$(subst .$(1),,$(2))))))))))

# Converts one or more source file paths to the corresponding build/ paths
# of their Ada library information (.ali) files.
# $1 stage name
# $2 file path (list)
src-to-ali=\
	$(patsubst $(obj)/%,$(obj)/$(1)/%,\
	$(patsubst $(obj)/$(1)/%,$(obj)/%,\
	$(patsubst 3rdparty/%,$(obj)/%,\
	$(patsubst src/%,$(obj)/%,\
	$(patsubst %.ads,%.ali,\
	$(patsubst %.adb,%.ali,\
	$(subst .$(1),,\
	$(filter %.ads %.adb,$(2)))))))))

# Clean -y variables, include Makefile.inc
# Add paths to files in X-y to X-srcs
# Add subdirs-y to subdirs
includemakefiles= \
	$(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
	$(eval -include $(1)) \
	$(foreach class,$(classes-y), $(call add-class,$(class))) \
	$(foreach class,$(classes), \
		$(eval $(class)-srcs+= \
			$$(subst $(absobj)/,$(obj)/, \
			$$(subst $(top)/,, \
			$$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
	$(foreach special,$(special-classes), \
		$(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
	$(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))

# For each path in $(subdirs) call includemakefiles
# Repeat until subdirs is empty
evaluate_subdirs= \
	$(eval cursubdirs:=$(subdirs)) \
	$(eval subdirs:=) \
	$(foreach dir,$(cursubdirs), \
		$(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
	$(if $(subdirs),$(eval $(call evaluate_subdirs)))

# collect all object files eligible for building
subdirs:=$(TOPLEVEL)
postinclude-hooks :=
$(eval $(call evaluate_subdirs))
ifeq ($(FAILBUILD),1)
$(error cannot continue build)
endif

# Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
$(eval $(postinclude-hooks))

# Eliminate duplicate mentions of source files in a class
$(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))

# To track dependencies, we need all Ada specification (.ads) files in
# *-srcs. Extract / filter all specification files that have a matching
# body (.adb) file here (specifications without a body are valid sources
# in Ada).
$(foreach class,$(classes),$(eval $(class)-extra-specs := \
	$(filter \
		$(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
		$(filter %.ads,$($(class)-srcs)))))
$(foreach class,$(classes),$(eval $(class)-srcs := \
	$(filter-out $($(class)-extra-specs),$($(class)-srcs))))

$(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
$(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))

# For Ada includes
$(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))

# Save all objs before processing them (for dependency inclusion)
originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))

# Call post-processors if they're defined
$(foreach class,$(classes),\
	$(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))

allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
alldirs:=$(sort $(abspath $(dir $(allobjs))))

# Reads dependencies from an Ada library information (.ali) file
# Only basenames (with suffix) are preserved so we have to look the
# paths up in $($(stage)-srcs).
# $1 stage name
# $2 ali file
create_ada_deps=$$(if $(2),\
	gnat.adc \
	$$(filter \
		$$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
		$$($(1)-srcs) $$($(1)-extra-specs)))

# macro to define template macros that are used by use_template macro
define create_cc_template
# $1 obj class
# $2 source suffix (c, S, ld, ...)
# $3 additional compiler flags
# $4 additional dependencies
ifn$(EMPTY)def $(1)-objs_$(2)_template
de$(EMPTY)fine $(1)-objs_$(2)_template
$$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(KCONFIG_AUTOHEADER) $(4)
	@printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
	$(CC_$(1)) \
		$$(if $$(filter-out ads adb,$(2)), \
		   -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@), \
		   $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs))) \
		$(3) -c -o $$$$@ $$$$<
en$(EMPTY)def
end$(EMPTY)if
endef

filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
$(foreach class,$(classes), \
	$(foreach type,$(call filetypes-of-class,$(class)), \
		$(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
		$(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
		$(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))

foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
$(eval $(foreach class,$(classes),$(call foreach-src,$(class))))

# To supported complex package initializations, we need to call the
# emitted code explicitly. gnatbind gathers all the calls for us
# and exports them as a procedure $(stage)_adainit(). Every stage that
# uses Ada code has to call it!
define gnatbind_template
# $1 class
$$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
	@printf "    BIND       $$(subst $$(obj)/,,$$@)\n"
	# We have to give gnatbind a simple filename (without leading
	# path components) so just cd there.
	cd $$(dir $$@) && \
		$$(GNATBIND_$(1)) -a -n \
			--RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
			-L$(1)_ada -o $$(notdir $$@) \
			$$(subst $$(dir $$@),,$$^)
$$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
	@printf "    CC         $$(subst $$(obj)/,,$$@)\n"
	$(CC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
$(1)-objs += $$(obj)/$(1)/b__$(1).o
$($(1)-alis): %.ali: %.o ;
endef

$(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
	$(if $($(class)-alis),$(call gnatbind_template,$(class)))))

DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
-include $(DEPENDENCIES)

printall:
	@$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
	@echo alldirs: $(alldirs) | tr ' ' '\n'; echo
	@echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
	@echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
	@$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
endif

ifndef NOMKDIR
$(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
endif

$(obj)/project_filelist.txt: all
	find $(obj) -name "*.d" -exec cat {} \; | \
	  sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
	  grep -v '\.o$$' > $(obj)/project_filelist.txt

#works with either exuberant ctags or ctags.emacs
ctags-project: clean-ctags $(obj)/project_filelist.txt
	cat $(obj)/project_filelist.txt | \
	  xargs ctags -o tags

cscope-project: clean-cscope $(obj)/project_filelist.txt
	cat $(obj)/project_filelist.txt | xargs cscope -b

cscope:
	cscope -bR

doxy: doxygen
doxygen:
	$(DOXYGEN) Documentation/Doxyfile.coreboot

doxygen_simple:
	$(DOXYGEN) Documentation/Doxyfile.coreboot_simple

doxyplatform doxygen_platform: $(obj)/project_filelist.txt
	echo
	echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
	export DOXYGEN_OUTPUT_DIR="$(DOXYGEN_OUTPUT_DIR)/$(CONFIG_MAINBOARD_VENDOR)/$(CONFIG_MAINBOARD_PART_NUMBER)"; \
	mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
	export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
	export DOXYGEN_PLATFORM="$(CONFIG_MAINBOARD_DIR) ($(CONFIG_MAINBOARD_PART_NUMBER)) version $(KERNELVERSION)"; \
	$(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform

doxyclean: doxygen-clean
doxygen-clean:
	rm -rf $(DOXYGEN_OUTPUT_DIR)

clean-for-update: doxygen-clean clean-for-update-target
	rm -rf $(obj) .xcompile

clean: clean-for-update clean-target
	rm -f .ccwrap

clean-cscope:
	rm -f cscope.out

clean-ctags:
	rm -f tags

distclean: clean clean-ctags clean-cscope distclean-payloads
	rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile

.PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple
.PHONY: ctags-project cscope-project clean-ctags