mb/google/volteer: Implement weak function `cse_board_reset`
[coreboot.git] / Makefile
blob2705c66b513c9a32367f9b86685f730c68188481
1 ## SPDX-License-Identifier: BSD-3-Clause
3 ifneq ($(words $(CURDIR)),1)
4 $(error Error: Path to the main directory cannot contain spaces)
5 endif
6 top := $(CURDIR)
7 src := src
8 srck := $(top)/util/kconfig
9 obj ?= build
10 override obj := $(subst $(top)/,,$(abspath $(obj)))
11 objutil ?= $(obj)/util
12 objk := $(objutil)/kconfig
13 absobj := $(abspath $(obj))
15 VBOOT_HOST_BUILD ?= $(abspath $(objutil)/vboot_lib)
17 COREBOOT_EXPORTS := COREBOOT_EXPORTS
18 COREBOOT_EXPORTS += top src srck obj objutil objk
20 # reproducible builds
21 LANG:=C
22 LC_ALL:=C
23 TZ:=UTC0
24 COREBOOT_EXPORTS += LANG LC_ALL TZ
26 DOTCONFIG ?= $(top)/.config
27 KCONFIG_CONFIG = $(DOTCONFIG)
28 KCONFIG_AUTOADS := $(obj)/cb-config.ads
29 KCONFIG_AUTOHEADER := $(obj)/config.h
30 KCONFIG_AUTOCONFIG := $(obj)/auto.conf
31 KCONFIG_DEPENDENCIES := $(obj)/auto.conf.cmd
32 KCONFIG_SPLITCONFIG := $(obj)/config
33 KCONFIG_TRISTATE := $(obj)/tristate.conf
34 KCONFIG_NEGATIVES := 1
35 KCONFIG_STRICT := 1
36 KCONFIG_PACKAGE := CB.Config
38 COREBOOT_EXPORTS += KCONFIG_CONFIG KCONFIG_AUTOHEADER KCONFIG_AUTOCONFIG
39 COREBOOT_EXPORTS += KCONFIG_DEPENDENCIES KCONFIG_SPLITCONFIG KCONFIG_TRISTATE
40 COREBOOT_EXPORTS += KCONFIG_NEGATIVES KCONFIG_STRICT
41 COREBOOT_EXPORTS += KCONFIG_AUTOADS KCONFIG_PACKAGE
43 # directory containing the toplevel Makefile.inc
44 TOPLEVEL := .
46 CONFIG_SHELL := sh
47 KBUILD_DEFCONFIG := configs/defconfig
48 UNAME_RELEASE := $(shell uname -r)
49 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
50 MAKEFLAGS += -rR --no-print-directory
52 # Make is silent per default, but 'make V=1' will show all compiler calls.
53 Q:=@
54 ifneq ($(V),1)
55 ifneq ($(Q),)
56 .SILENT:
57 MAKEFLAGS += -s
58 endif
59 endif
61 # Disable implicit/built-in rules to make Makefile errors fail fast.
62 .SUFFIXES:
64 HOSTCFLAGS := -g
65 HOSTCXXFLAGS := -g
67 PREPROCESS_ONLY := -E -P -x assembler-with-cpp -undef -I .
69 DOXYGEN := doxygen
70 DOXYGEN_OUTPUT_DIR := doxygen
72 export $(COREBOOT_EXPORTS)
74 all: real-all
76 help_coreboot help::
77 @echo '*** coreboot platform targets ***'
78 @echo ' Use "make [target] V=1" for extra build debug information'
79 @echo ' all - Build coreboot'
80 @echo ' clean - Remove coreboot build artifacts'
81 @echo ' distclean - Remove build artifacts and config files'
82 @echo ' doxygen - Build doxygen documentation for coreboot'
83 @echo ' doxyplatform - Build doxygen documentation for the current platform'
84 @echo ' sphinx - Build sphinx documentation for coreboot'
85 @echo ' sphinx-lint - Build sphinx documenttion for coreboot with warnings as errors'
86 @echo ' filelist - Show files used in current build'
87 @echo ' printall - print makefile info for debugging'
88 @echo ' gitconfig - set up git to submit patches to coreboot'
89 @echo ' ctags / ctags-project - make ctags file for all of coreboot or current board'
90 @echo ' cscope / cscope-project - make cscope.out file for coreboot or current board'
91 @echo
93 # This include must come _before_ the pattern rules below!
94 # Order _does_ matter for pattern rules.
95 include $(srck)/Makefile.inc
97 # Three cases where we don't need fully populated $(obj) lists:
98 # 1. when no .config exists
99 # 2. when make config (in any flavour) is run
100 # 3. when make distclean is run
101 # Don't waste time on reading all Makefile.incs in these cases
102 ifeq ($(strip $(HAVE_DOTCONFIG)),)
103 NOCOMPILE:=1
104 endif
105 ifneq ($(MAKECMDGOALS),)
106 ifneq ($(filter %config %clean cross% clang iasl lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
107 NOCOMPILE:=1
108 endif
109 ifneq ($(filter %clean lint% help% what-jenkins-does,$(MAKECMDGOALS)),)
110 NOMKDIR:=1
111 endif
112 endif
114 ifneq ($(filter %-test %-tests,$(MAKECMDGOALS)),)
115 ifneq ($(filter-out %-test %-tests, $(MAKECMDGOALS)),)
116 $(error Cannot mix unit-tests targets with other targets)
117 endif
118 UNIT_TEST:=1
119 NOCOMPILE:=
120 endif
122 .xcompile: util/xcompile/xcompile
123 rm -f $@
124 $< $(XGCCPATH) > $@.tmp
125 \mv -f $@.tmp $@ 2> /dev/null
126 rm -f $@.tmp
128 ifeq ($(NOCOMPILE),1)
129 # We also don't use .xcompile in the no-compile situations, so
130 # provide some reasonable defaults.
131 HOSTCC ?= $(if $(shell type gcc 2>/dev/null),gcc,cc)
132 HOSTCXX ?= g++
134 include $(TOPLEVEL)/Makefile.inc
135 include $(TOPLEVEL)/payloads/Makefile.inc
136 include $(TOPLEVEL)/util/testing/Makefile.inc
137 -include $(TOPLEVEL)/site-local/Makefile.inc
138 real-all:
139 @echo "Error: Expected config file ($(DOTCONFIG)) not present." >&2
140 @echo "Please specify a config file or run 'make menuconfig' to" >&2
141 @echo "generate a new config file." >&2
142 @exit 1
143 else
145 ifneq ($(UNIT_TEST),1)
146 include $(DOTCONFIG)
147 endif
149 # in addition to the dependency below, create the file if it doesn't exist
150 # to silence stupid warnings about a file that would be generated anyway.
151 $(if $(wildcard .xcompile)$(NOCOMPILE),,$(eval $(shell util/xcompile/xcompile $(XGCCPATH) > .xcompile || rm -f .xcompile)))
153 -include .xcompile
155 ifneq ($(XCOMPILE_COMPLETE),1)
156 $(shell rm -f .xcompile)
157 $(error .xcompile deleted because it's invalid. \
158 Restarting the build should fix that, or explain the problem)
159 endif
161 ifneq ($(CONFIG_MMX),y)
162 CFLAGS_x86_32 += -mno-mmx
163 endif
165 ifneq ($(UNIT_TEST),1)
166 include toolchain.inc
167 endif
169 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
170 # fix makefile syntax highlighting after strip macro \" "))
172 # The primary target needs to be here before we include the
173 # other files
175 real-all: real-target
177 # must come rather early
178 .SECONDEXPANSION:
179 .DELETE_ON_ERROR:
181 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG) $(objutil)/kconfig/conf
182 +$(MAKE) oldconfig
184 $(KCONFIG_AUTOCONFIG): $(KCONFIG_AUTOHEADER)
185 true
187 $(KCONFIG_AUTOADS): $(KCONFIG_CONFIG) $(KCONFIG_AUTOHEADER) $(objutil)/kconfig/toada
188 $(objutil)/kconfig/toada CB.Config <$< >$@
190 $(obj)/%/$(notdir $(KCONFIG_AUTOADS)): $(KCONFIG_AUTOADS)
191 cp $< $@
193 # Add a new class of source/object files to the build system
194 add-class= \
195 $(eval $(1)-srcs:=) \
196 $(eval $(1)-objs:=) \
197 $(eval classes+=$(1))
199 # Special classes are managed types with special behaviour
200 # On parse time, for each entry in variable $(1)-y
201 # a handler $(1)-handler is executed with the arguments:
202 # * $(1): directory the parser is in
203 # * $(2): current entry
204 add-special-class= \
205 $(eval $(1):=) \
206 $(eval special-classes+=$(1))
208 # Converts one or more source file paths to their corresponding build/ paths.
209 # Only .ads, adb, .c and .S get converted to .o, other files (like .ld) keep
210 # their name.
211 # $1 stage name
212 # $2 file path (list)
213 src-to-obj=\
214 $(patsubst $(obj)/%,$(obj)/$(1)/%,\
215 $(patsubst $(obj)/$(1)/%,$(obj)/%,\
216 $(patsubst 3rdparty/%,$(obj)/%,\
217 $(patsubst src/%,$(obj)/%,\
218 $(patsubst %.ads,%.o,\
219 $(patsubst %.adb,%.o,\
220 $(patsubst %.c,%.o,\
221 $(patsubst %.S,%.o,\
222 $(subst .$(1),,$(2))))))))))
224 # Converts one or more source file paths to the corresponding build/ paths
225 # of their Ada library information (.ali) files.
226 # $1 stage name
227 # $2 file path (list)
228 src-to-ali=\
229 $(patsubst $(obj)/%,$(obj)/$(1)/%,\
230 $(patsubst $(obj)/$(1)/%,$(obj)/%,\
231 $(patsubst 3rdparty/%,$(obj)/%,\
232 $(patsubst src/%,$(obj)/%,\
233 $(patsubst %.ads,%.ali,\
234 $(patsubst %.adb,%.ali,\
235 $(subst .$(1),,\
236 $(filter %.ads %.adb,$(2)))))))))
238 # Clean -y variables, include Makefile.inc
239 # Add paths to files in X-y to X-srcs
240 # Add subdirs-y to subdirs
241 includemakefiles= \
242 $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
243 $(eval -include $(1)) \
244 $(foreach class,$(classes-y), $(call add-class,$(class))) \
245 $(foreach special,$(special-classes), \
246 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
247 $(foreach class,$(classes), \
248 $(eval $(class)-srcs+= \
249 $$(subst $(absobj)/,$(obj)/, \
250 $$(subst $(top)/,, \
251 $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
252 $(eval subdirs+=$$(subst $(CURDIR)/,,$$(wildcard $$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y))))))
254 # For each path in $(subdirs) call includemakefiles
255 # Repeat until subdirs is empty
256 evaluate_subdirs= \
257 $(eval cursubdirs:=$(subdirs)) \
258 $(eval subdirs:=) \
259 $(foreach dir,$(cursubdirs), \
260 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
261 $(if $(subdirs),$(eval $(call evaluate_subdirs)))
263 # collect all object files eligible for building
264 subdirs:=$(TOPLEVEL)
265 postinclude-hooks :=
267 # Don't iterate through Makefile.incs under src/ when building tests
268 ifneq ($(UNIT_TEST),1)
269 $(eval $(call evaluate_subdirs))
270 else
271 include $(TOPLEVEL)/tests/Makefile.inc
272 endif
274 ifeq ($(FAILBUILD),1)
275 $(error cannot continue build)
276 endif
278 # Run hooks registered by subdirectories that need to be evaluated after all files have been parsed
279 $(eval $(postinclude-hooks))
281 # Eliminate duplicate mentions of source files in a class
282 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
284 # Build Kconfig .ads if necessary
285 ifeq ($(CONFIG_RAMSTAGE_ADA),y)
286 ramstage-srcs += $(obj)/ramstage/$(notdir $(KCONFIG_AUTOADS))
287 endif
289 # To track dependencies, we need all Ada specification (.ads) files in
290 # *-srcs. Extract / filter all specification files that have a matching
291 # body (.adb) file here (specifications without a body are valid sources
292 # in Ada).
293 $(foreach class,$(classes),$(eval $(class)-extra-specs := \
294 $(filter \
295 $(addprefix %/,$(patsubst %.adb,%.ads,$(notdir $(filter %.adb,$($(class)-srcs))))), \
296 $(filter %.ads,$($(class)-srcs)))))
297 $(foreach class,$(classes),$(eval $(class)-srcs := \
298 $(filter-out $($(class)-extra-specs),$($(class)-srcs))))
300 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
301 $(foreach class,$(classes),$(eval $(class)-alis:=$(call src-to-ali,$(class),$($(class)-srcs))))
303 # For Ada includes
304 $(foreach class,$(classes),$(eval $(class)-ada-dirs:=$(sort $(dir $(filter %.ads %.adb,$($(class)-srcs)) $($(class)-extra-specs)))))
306 # Save all objs before processing them (for dependency inclusion)
307 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
309 # Call post-processors if they're defined
310 $(foreach class,$(classes),\
311 $(if $(value $(class)-postprocess),$(eval $(call $(class)-postprocess,$($(class)-objs)))))
313 allsrcs:=$(foreach var, $(addsuffix -srcs,$(classes)), $($(var)))
314 allobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
315 alldirs:=$(sort $(abspath $(dir $(allobjs))))
317 # Reads dependencies from an Ada library information (.ali) file
318 # Only basenames (with suffix) are preserved so we have to look the
319 # paths up in $($(stage)-srcs).
320 # $1 stage name
321 # $2 ali file
322 create_ada_deps=$$(if $(2),\
323 gnat.adc \
324 $$(filter \
325 $$(addprefix %/,$$(shell sed -ne's/^D \([^\t]\+\).*$$$$/\1/p' $(2) 2>/dev/null)), \
326 $$($(1)-srcs) $$($(1)-extra-specs)))
328 # macro to define template macros that are used by use_template macro
329 define create_cc_template
330 # $1 obj class
331 # $2 source suffix (c, S, ld, ...)
332 # $3 additional compiler flags
333 # $4 additional dependencies
334 ifn$(EMPTY)def $(1)-objs_$(2)_template
335 de$(EMPTY)fine $(1)-objs_$(2)_template
336 ifn$(EMPTY)eq ($(filter ads adb,$(2)),)
337 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $$(call create_ada_deps,$1,$$(call src-to-ali,$1,$$(1).$2)) $(4)
338 @printf " GCC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
339 $(GCC_$(1)) \
340 $$$$(ADAFLAGS_$(1)) $$$$(addprefix -I,$$$$($(1)-ada-dirs)) \
341 $(3) -c -o $$$$@ $$$$<
342 el$(EMPTY)se
343 $$(call src-to-obj,$1,$$(1).$2): $$(1).$2 $(KCONFIG_AUTOHEADER) $(4)
344 @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
345 $(CC_$(1)) \
346 -MMD $$$$(CPPFLAGS_$(1)) $$$$(CFLAGS_$(1)) -MT $$$$(@) \
347 $(3) -c -o $$$$@ $$$$<
348 end$(EMPTY)if
349 en$(EMPTY)def
350 end$(EMPTY)if
351 endef
353 filetypes-of-class=$(subst .,,$(sort $(suffix $($(1)-srcs))))
354 $(foreach class,$(classes), \
355 $(foreach type,$(call filetypes-of-class,$(class)), \
356 $(eval $(class)-$(type)-ccopts += $(generic-$(type)-ccopts) $($(class)-generic-ccopts)) \
357 $(if $(generic-objs_$(type)_template_gen),$(eval $(call generic-objs_$(type)_template_gen,$(class))),\
358 $(eval $(call create_cc_template,$(class),$(type),$($(class)-$(type)-ccopts),$($(class)-$(type)-deps))))))
360 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(basename $(file)))))
361 $(eval $(foreach class,$(classes),$(call foreach-src,$(class))))
363 # To supported complex package initializations, we need to call the
364 # emitted code explicitly. gnatbind gathers all the calls for us
365 # and exports them as a procedure $(stage)_adainit(). Every stage that
366 # uses Ada code has to call it!
367 define gnatbind_template
368 # $1 class
369 $$(obj)/$(1)/b__$(1).adb: $$$$(filter-out $$(obj)/$(1)/b__$(1).ali,$$$$($(1)-alis))
370 @printf " BIND $$(subst $$(obj)/,,$$@)\n"
371 # We have to give gnatbind a simple filename (without leading
372 # path components) so just cd there.
373 cd $$(dir $$@) && \
374 $$(GNATBIND_$(1)) -a -n \
375 --RTS=$$(absobj)/libgnat-$$(ARCH-$(1)-y)/ \
376 -L$(1)_ada -o $$(notdir $$@) \
377 $$(subst $$(dir $$@),,$$^)
378 $$(obj)/$(1)/b__$(1).o: $$(obj)/$(1)/b__$(1).adb
379 @printf " GCC $$(subst $$(obj)/,,$$@)\n"
380 $(GCC_$(1)) $$(ADAFLAGS_$(1)) -c -o $$@ $$<
381 $(1)-objs += $$(obj)/$(1)/b__$(1).o
382 $($(1)-alis): %.ali: %.o ;
383 endef
385 $(eval $(foreach class,$(filter-out libgnat-%,$(classes)), \
386 $(if $($(class)-alis),$(call gnatbind_template,$(class)))))
388 DEPENDENCIES += $(addsuffix .d,$(basename $(allobjs)))
389 -include $(DEPENDENCIES)
391 printall:
392 @$(foreach class,$(classes), echo $(class)-objs: $($(class)-objs) | tr ' ' '\n'; echo; )
393 @echo alldirs: $(alldirs) | tr ' ' '\n'; echo
394 @echo allsrcs: $(allsrcs) | tr ' ' '\n'; echo
395 @echo DEPENDENCIES: $(DEPENDENCIES) | tr ' ' '\n'; echo
396 @$(foreach class,$(special-classes),echo $(class):'$($(class))' | tr ' ' '\n'; echo; )
397 endif
399 ifndef NOMKDIR
400 $(shell mkdir -p $(KCONFIG_SPLITCONFIG) $(objk)/lxdialog $(additional-dirs) $(alldirs))
401 endif
403 $(obj)/project_filelist.txt:
404 if [ -z "$(wildcard $(obj)/coreboot.rom)" ]; then \
405 echo "*** Error: Project must be built before generating file list ***"; \
406 exit 1; \
408 find $(obj) -path "$(obj)/util" -prune -o -name "*.d" -exec cat {} \; | \
409 sed "s|$(top)/||" | sed 's/[:\\]/ /g' | sed 's/ /\n/g' | sort | uniq | \
410 grep -v '\.o$$' > $(obj)/project_filelist.txt
412 filelist: $(obj)/project_filelist.txt
413 printf "\nFiles used in build:\n"
414 cat $(obj)/project_filelist.txt
416 #works with either exuberant ctags or ctags.emacs
417 ctags-project: clean-ctags $(obj)/project_filelist.txt
418 cat $(obj)/project_filelist.txt | \
419 xargs ctags -o tags
421 cscope-project: clean-cscope $(obj)/project_filelist.txt
422 cat $(obj)/project_filelist.txt | xargs cscope -b
424 cscope:
425 cscope -bR
427 sphinx:
428 $(MAKE) -C Documentation -f Makefile.sphinx html
430 sphinx-lint:
431 $(MAKE) SPHINXOPTS=-W -C Documentation -f Makefile.sphinx html
433 doxy: doxygen
434 doxygen:
435 $(DOXYGEN) Documentation/Doxyfile.coreboot
437 doxygen_simple:
438 $(DOXYGEN) Documentation/Doxyfile.coreboot_simple
440 doxyplatform doxygen_platform: $(obj)/project_filelist.txt
441 echo
442 echo "Building doxygen documentation for $(CONFIG_MAINBOARD_PART_NUMBER)"
443 export DOXYGEN_OUTPUT_DIR="$(DOXYGEN_OUTPUT_DIR)/$(CONFIG_MAINBOARD_VENDOR)/$(CONFIG_MAINBOARD_PART_NUMBER)"; \
444 mkdir -p "$$DOXYGEN_OUTPUT_DIR"; \
445 export DOXYFILES="$$(cat $(obj)/project_filelist.txt | grep -v '\.ld$$' | sed 's/\.aml/\.dsl/' | tr '\n' ' ')"; \
446 export DOXYGEN_PLATFORM="$(CONFIG_MAINBOARD_DIR) ($(CONFIG_MAINBOARD_PART_NUMBER)) version $(KERNELVERSION)"; \
447 $(DOXYGEN) Documentation/doxygen/Doxyfile.coreboot_platform
449 doxyclean: doxygen-clean
450 doxygen-clean:
451 rm -rf $(DOXYGEN_OUTPUT_DIR)
453 clean-for-update: doxygen-clean clean-for-update-target
454 rm -rf $(obj) .xcompile
456 clean: clean-for-update clean-target clean-utils
457 rm -f .ccwrap
459 clean-cscope:
460 rm -f cscope.out
462 clean-ctags:
463 rm -f tags
465 clean-utils:
466 $(foreach tool, $(TOOLLIST), \
467 $(MAKE) -C util/$(tool) clean MFLAGS= MAKEFLAGS= ;)
469 distclean-utils:
470 $(foreach tool, $(TOOLLIST), \
471 $(MAKE) -C util/$(tool) distclean MFLAGS= MAKEFLAGS= ; \
472 rm -f /util/$(tool)/junit.xml;)
474 distclean: clean clean-ctags clean-cscope distclean-payloads distclean-utils
475 rm -f .config .config.old ..config.tmp* .kconfig.d .tmpconfig* .ccwrap .xcompile
476 rm -rf coreboot-builds coreboot-builds-chromeos
477 rm -f abuild*.xml junit.xml* util/lint/junit.xml
479 .PHONY: $(PHONY) clean clean-for-update clean-cscope cscope distclean doxygen doxy doxygen_simple sphinx sphinx-lint
480 .PHONY: ctags-project cscope-project clean-ctags