2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
5 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
6 ## Copyright (C) 2009-2010 coresystems GmbH
7 ## Copyright (C) 2011 secunet Security Networks AG
9 ## Redistribution and use in source and binary forms, with or without
10 ## modification, are permitted provided that the following conditions
12 ## 1. Redistributions of source code must retain the above copyright
13 ## notice, this list of conditions and the following disclaimer.
14 ## 2. Redistributions in binary form must reproduce the above copyright
15 ## notice, this list of conditions and the following disclaimer in the
16 ## documentation and/or other materials provided with the distribution.
17 ## 3. The name of the author may not be used to endorse or promote products
18 ## derived from this software without specific prior written permission.
20 ## THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
21 ## ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 ## IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ## ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
24 ## FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 ## DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 ## OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 ## HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 ## LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 ## OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 # in addition to the dependency below, create the file if it doesn't exist
34 # to silence stupid warnings about a file that would be generated anyway.
35 $(if
$(wildcard .xcompile
),,$(eval
$(shell util
/xcompile
/xcompile
$(XGCCPATH
) > .xcompile ||
rm -f .xcompile
)))
37 .xcompile
: util
/xcompile
/xcompile
39 $< $(XGCCPATH
) > $@.tmp
40 \mv
-f
$@.tmp
$@
2> /dev
/null
43 export top
:= $(CURDIR
)
45 export srck
:= $(top
)/util
/kconfig
47 override obj
:= $(subst $(top
)/,,$(abspath
$(obj
)))
49 export objutil ?
= $(obj
)/util
50 export objk
:= $(objutil
)/kconfig
51 absobj
:= $(abspath
$(obj
))
54 export KCONFIG_AUTOHEADER
:= $(obj
)/config.h
55 export KCONFIG_AUTOCONFIG
:= $(obj
)/auto.conf
56 export KCONFIG_DEPENDENCIES
:= $(obj
)/auto.conf.cmd
57 export KCONFIG_SPLITCONFIG
:= $(obj
)/config
58 export KCONFIG_TRISTATE
:= $(obj
)/tristate.conf
59 export KCONFIG_NEGATIVES
:= 1
60 export KCONFIG_STRICT
:= 1
62 # directory containing the toplevel Makefile.inc
66 KBUILD_DEFCONFIG
:= configs
/defconfig
67 UNAME_RELEASE
:= $(shell uname
-r
)
69 KCONFIG_CONFIG
= $(DOTCONFIG
)
71 HAVE_DOTCONFIG
:= $(wildcard $(DOTCONFIG
))
72 MAKEFLAGS
+= -rR
--no-print-directory
74 # Make is silent per default, but 'make V=1' will show all compiler calls.
82 # Disable implicit/built-in rules to make Makefile errors fail fast.
85 HOSTCC
:= $(if
$(shell type gcc
2>/dev
/null
), gcc
, cc)
90 PREPROCESS_ONLY
:= -E
-P
-x assembler-with-cpp
-undef
-I .
93 DOXYGEN_OUTPUT_DIR
:= doxygen
98 @echo
'*** coreboot platform targets ***'
99 @echo
' Use "make [target] V=1" for extra build debug information'
100 @echo
' all - Build coreboot'
101 @echo
' clean - Remove coreboot build artifacts'
102 @echo
' distclean - Remove build artifacts and config files'
103 @echo
' doxygen - Build doxygen documentation for coreboot'
104 @echo
' what-jenkins-does - Run platform build tests (Use CPUS=# for more cores)'
105 @echo
' printall - print makefile info for debugging'
106 @echo
' lint / lint-stable - run coreboot lint tools (all / minimal)'
107 @echo
' gitconfig - set up git to submit patches to coreboot'
108 @echo
' ctags / ctags-project - make ctags file for all of coreboot or current board'
109 @echo
' cscope / cscope-project - make cscope.out file for coreboot or current board'
112 # This include must come _before_ the pattern rules below!
113 # Order _does_ matter for pattern rules.
114 include $(srck
)/Makefile
116 # Three cases where we don't need fully populated $(obj) lists:
117 # 1. when no .config exists
118 # 2. when make config (in any flavour) is run
119 # 3. when make distclean is run
120 # Don't waste time on reading all Makefile.incs in these cases
121 ifeq ($(strip $(HAVE_DOTCONFIG
)),)
124 ifneq ($(MAKECMDGOALS
),)
125 ifneq ($(filter %config
%clean cross
% clang iasl lint
% help
% what-jenkins-does
,$(MAKECMDGOALS
)),)
128 ifeq ($(MAKECMDGOALS
), %clean)
133 ifeq ($(NOCOMPILE
),1)
134 include $(TOPLEVEL
)/Makefile.inc
139 include $(HAVE_DOTCONFIG
)
143 ifneq ($(XCOMPILE_COMPLETE
),1)
144 $(shell rm -f .xcompile
)
145 $(error .xcompile deleted because it
's invalid. \
146 Restarting the build should fix that, or explain the problem)
149 ifneq ($(CONFIG_MMX),y)
150 CFLAGS_x86_32 += -mno-mmx
153 include toolchain.inc
155 strip_quotes = $(strip $(subst ",,$(subst \",,$(1))))
157 # The primary target needs to be here before we include the
160 real-all: real-target
162 # must come rather early
165 $(KCONFIG_AUTOHEADER): $(KCONFIG_CONFIG)
168 # Add a new class of source/object files to the build system
170 $(eval $(1)-srcs:=) \
171 $(eval $(1)-objs:=) \
172 $(eval classes+=$(1))
174 # Special classes are managed types with special behaviour
175 # On parse time, for each entry in variable $(1)-y
176 # a handler $(1)-handler is executed with the arguments:
177 # * $(1): directory the parser is in
178 # * $(2): current entry
181 $(eval special-classes+=$(1))
183 # Clean -y variables, include Makefile.inc
184 # Add paths to files in X-y to X-srcs
185 # Add subdirs-y to subdirs
187 $(foreach class,classes subdirs $(classes) $(special-classes), $(eval $(class)-y:=)) \
188 $(eval -include $(1)) \
189 $(foreach class,$(classes-y), $(call add-class,$(class))) \
190 $(foreach class,$(classes), \
191 $(eval $(class)-srcs+= \
192 $$(subst $(absobj)/,$(obj)/, \
194 $$(abspath $$(subst $(dir $(1))/,/,$$(addprefix $(dir $(1)),$$($(class)-y)))))))) \
195 $(foreach special,$(special-classes), \
196 $(foreach item,$($(special)-y), $(call $(special)-handler,$(dir $(1)),$(item)))) \
197 $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
199 # For each path in $(subdirs) call includemakefiles
200 # Repeat until subdirs is empty
202 $(eval cursubdirs:=$(subdirs)) \
204 $(foreach dir,$(cursubdirs), \
205 $(eval $(call includemakefiles,$(dir)/Makefile.inc))) \
206 $(if $(subdirs),$(eval $(call evaluate_subdirs)))
208 # collect all object files eligible for building
210 $(eval $(call evaluate_subdirs))
211 ifeq ($(FAILBUILD),1)
212 $(error cannot continue build)
215 # Eliminate duplicate mentions of source files in a class
216 $(foreach class,$(classes),$(eval $(class)-srcs:=$(sort $($(class)-srcs))))
218 # Converts one or more source file paths to their corresponding build/ paths.
219 # Only .c and .S get converted to .o, other files (like .ld) keep their name.
221 # $2 file path (list)
222 src-to-obj=$(foreach file,$(2),$(subst .$(1),,$(basename $(patsubst src/%,$(obj)/%,$(file)))).$(1)$(patsubst %.c,%.o,$(patsubst %.S,%.o,$(suffix $(file)))))
224 $(foreach class,$(classes),$(eval $(class)-objs:=$(call src-to-obj,$(class),$($(class)-srcs))))
226 # Save all objs before processing them (for dependency inclusion)
227 originalobjs:=$(foreach var, $(addsuffix -objs,$(classes)), $($(var)))
229 # Call post-processors if they're defined
230 $(foreach class
,$(classes
),\
231 $(if
$(value
$(class
)-postprocess
),$(eval
$(call
$(class
)-postprocess
,$($(class
)-objs
)))))
233 allsrcs
:=$(foreach var
, $(addsuffix -srcs
,$(classes
)), $($(var
)))
234 allobjs
:=$(foreach var
, $(addsuffix -objs
,$(classes
)), $($(var
)))
235 alldirs
:=$(sort $(abspath
$(dir $(allobjs
))))
237 # macro to define template macros that are used by use_template macro
238 define create_cc_template
240 # $2 source suffix (c, S, ld, ...)
241 # $3 additional compiler flags
242 # $4 additional dependencies
243 ifn
$(EMPTY
)def
$(1)-objs_
$(2)_template
244 de
$(EMPTY
)fine
$(1)-objs_
$(2)_template
245 $$(call src-to-obj
,$1,$$(1).
$2): $$(1).
$2 $(KCONFIG_AUTOHEADER
) $(4)
246 @printf
" CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
247 $(CC_
$(1)) -MMD
$$$$(CPPFLAGS_
$(1)) $$$$(CFLAGS_
$(1)) -MT
$$$$(@
) $(3) -c
-o
$$$$@
$$$$<
252 filetypes-of-class
=$(subst .
,,$(sort $(suffix $($(1)-srcs
))))
253 $(foreach class
,$(classes
), \
254 $(foreach type
,$(call filetypes-of-class
,$(class
)), \
255 $(eval
$(class
)-$(type
)-ccopts
+= $(generic-
$(type
)-ccopts
) $($(class
)-generic-ccopts
)) \
256 $(if
$(generic-objs_
$(type
)_template_gen
),$(eval
$(call generic-objs_
$(type
)_template_gen
,$(class
))),\
257 $(eval
$(call create_cc_template
,$(class
),$(type
),$($(class
)-$(type
)-ccopts
),$($(class
)-$(type
)-deps
))))))
259 foreach-src
=$(foreach file
,$($(1)-srcs
),$(eval
$(call
$(1)-objs_
$(subst .
,,$(suffix $(file
)))_template
,$(basename $(file
)))))
260 $(eval
$(foreach class
,$(classes
),$(call foreach-src
,$(class
))))
262 DEPENDENCIES
+= $(addsuffix .d
,$(basename $(allobjs
)))
263 -include $(DEPENDENCIES
)
266 @
$(foreach class
,$(classes
),echo
$(class
)-objs
:=$($(class
)-objs
); )
267 @echo alldirs
:=$(alldirs
)
268 @echo allsrcs
=$(allsrcs
)
269 @echo DEPENDENCIES
=$(DEPENDENCIES
)
270 @
$(foreach class
,$(special-classes
),echo
$(class
):='$($(class))'; )
275 $(shell mkdir
-p
$(KCONFIG_SPLITCONFIG
) $(objk
)/lxdialog
$(additional-dirs
) $(alldirs
))
278 $(obj
)/project_filelist.txt
: all
279 find
$(obj
) -name
"*.d" -exec cat
{} \
; | \
280 sed
's/[:\\]/ /g' | sed
's/ /\n/g' |
sort | uniq | \
281 grep
-v
'\.o$$' > $(obj
)/project_filelist.txt
283 #works with either exuberant ctags or ctags.emacs
284 ctags-project
: clean-ctags
$(obj
)/project_filelist.txt
285 cat
$(obj
)/project_filelist.txt | \
288 cscope-project
: clean-cscope
$(obj
)/project_filelist.txt
289 cat
$(obj
)/project_filelist.txt | xargs cscope
-b
296 $(DOXYGEN
) Documentation
/Doxyfile.coreboot
299 $(DOXYGEN
) Documentation
/Doxyfile.coreboot_simple
301 doxyclean
: doxygen-clean
303 rm -rf
$(DOXYGEN_OUTPUT_DIR
)
305 clean-for-update
: doxygen-clean clean-for-update-target
306 rm -rf
$(obj
) .xcompile
308 clean: clean-for-update clean-target
317 distclean: clean clean-ctags clean-cscope
318 rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig
* .ccwrap .xcompile
320 .PHONY
: $(PHONY
) clean clean-for-update clean-cscope cscope
distclean doxygen doxy doxygen_simple
321 .PHONY
: ctags-project cscope-project clean-ctags