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
8 ## This program is free software; you can redistribute it and/or modify
9 ## it under the terms of the GNU General Public License as published by
10 ## the Free Software Foundation; version 2 of the License.
12 ## This program is distributed in the hope that it will be useful,
13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 ## GNU General Public License for more details.
17 ## You should have received a copy of the GNU General Public License
18 ## along with this program; if not, write to the Free Software
19 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 ifeq ($(INNER_SCANBUILD),y)
26 $(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile)))
29 ifeq ($(INNER_SCANBUILD),y)
31 HOSTCC:=$(CC_real) --hostcc
32 HOSTCXX:=$(CC_real) --hostcxx
35 export top := $(CURDIR)
37 export srck := $(top)/util/kconfig
39 export objutil ?= $(obj)/util
40 export objk := $(objutil)/kconfig
43 export KERNELVERSION := 4.0
44 export KCONFIG_AUTOHEADER := $(obj)/config.h
45 export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
48 KBUILD_DEFCONFIG := configs/defconfig
49 UNAME_RELEASE := $(shell uname -r)
50 HAVE_DOTCONFIG := $(wildcard .config)
51 MAKEFLAGS += -rR --no-print-directory
53 # Make is silent per default, but 'make V=1' will show all compiler calls.
61 CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
62 ROMCC:= $(objutil)/romcc/romcc
65 HOSTCFLAGS := -I$(srck) -I$(objk) -g
66 HOSTCXXFLAGS := -I$(srck) -I$(objk)
67 LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -print-libgcc-file-name)
70 DOXYGEN_OUTPUT_DIR := doxygen
72 # Three cases where we don't need fully populated $(obj) lists:
73 # 1. when no .config exists
74 # 2. when make config (in any flavour) is run
75 # 3. when make distclean is run
76 # Don't waste time on reading all Makefile.incs in these cases
77 ifeq ($(strip $(HAVE_DOTCONFIG)),)
80 ifneq ($(MAKECMDGOALS),)
81 ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
91 include $(HAVE_DOTCONFIG)
93 ifneq ($(INNER_SCANBUILD),y)
94 ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
100 ifeq ($(CONFIG_CCACHE),y)
101 CCACHE:=$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))
103 $(error ccache selected, but not found in PATH)
105 CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE)
106 CC := $(CCACHE) $(CC)
107 HOSTCC := $(CCACHE) $(HOSTCC)
108 HOSTCXX := $(CCACHE) $(HOSTCXX)
109 ROMCC := $(CCACHE) $(ROMCC)
112 strip_quotes = $(subst ",,$(subst \",,$(1)))
114 ARCHDIR-$(CONFIG_ARCH_X86) := i386
115 ARCHDIR-$(CONFIG_ARCH_POWERPC) := ppc
117 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
120 PLATFORM-y += src/arch/$(ARCHDIR-y) src/cpu src/mainboard/$(MAINBOARDDIR)
123 BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers
124 BUILD-y += util/cbfstool util/sconfig
125 BUILD-$(CONFIG_ARCH_X86) += src/pc80
127 ifneq ($(CONFIG_LOCALVERSION),"")
128 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
131 # The primary target needs to be here before we include the
134 ifeq ($(INNER_SCANBUILD),y)
135 CONFIG_SCANBUILD_ENABLE:=
138 ifeq ($(CONFIG_SCANBUILD_ENABLE),y)
139 ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),)
140 CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION)
143 echo '#!/bin/sh' > .ccwrap
144 echo 'CC="$(CC)"' >> .ccwrap
145 echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
146 echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
147 echo 'eval $$CC $$*' >> .ccwrap
149 scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
151 all: $(obj)/config.h coreboot
154 # must come rather early
160 #######################################################################
163 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
165 # needed objects that every mainboard uses
166 # Creation of these is architecture and mainboard independent
167 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
168 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
169 mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
170 $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
172 $(objutil)/%.o: $(objutil)/%.c
173 @printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
174 $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
176 $(obj)/%.o: $(obj)/%.c $(obj)/config.h
177 @printf " CC $(subst $(obj)/,,$(@))\n"
178 $(CC) -MMD $(CFLAGS) -c -o $@ $<
180 objs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.o
184 types:=obj initobj driver smmobj
186 # Clean -y variables, include Makefile.inc
187 # If $(3) is non-empty, add paths to files in X-y, and add them to Xs
188 # Add subdirs-y to subdirs
190 $(foreach type,$(2), $(eval $(type)-y:=)) \
191 $(eval subdirs-y:=) \
192 $(eval -include $(1)) \
193 $(foreach type,$(2), \
196 $$(abspath $$(patsubst src/%, \
198 $$(addprefix $(dir $(1)),$$($(type)-y))))))) \
199 $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
201 # For each path in $(subdirs) call includemakefiles, passing $(1) as $(3)
202 # Repeat until subdirs is empty
204 $(eval cursubdirs:=$(subdirs)) \
206 $(foreach dir,$(cursubdirs), \
207 $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types)))) \
208 $(if $(subdirs),$(eval $(call evaluate_subdirs)))
210 # collect all object files eligible for building
211 subdirs:=$(PLATFORM-y) $(BUILD-y)
212 $(eval $(call evaluate_subdirs))
214 initobjs:=$(addsuffix .initobj.o, $(basename $(initobjs)))
215 drivers:=$(addsuffix .driver.o, $(basename $(drivers)))
216 smmobjs:=$(addsuffix .smmobj.o, $(basename $(smmobjs)))
218 allobjs:=$(foreach var, $(addsuffix s,$(types)), $($(var)))
219 alldirs:=$(sort $(abspath $(dir $(allobjs))))
220 source_with_ext=$(patsubst $(obj)/%.o,src/%.$(1),$(allobjs))
221 allsrc=$(wildcard $(call source_with_ext,c) $(call source_with_ext,S))
223 define objs_asl_template
224 $(obj)/$(1)%.o: src/$(1)%.asl
225 @printf " IASL $$(subst $(top)/,,$$(@))\n"
226 $(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
227 iasl -p $$(basename $$@) -tc $$(basename $$@).asl
228 mv $$(basename $$@).hex $$(basename $$@).c
229 $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $$@))), -DAmlCode=AmlCode_$$(basename $$(notdir $$@))) -c -o $$@ $$(basename $$@).c
230 # keep %.o: %.c rule from catching the temporary .c file after a make clean
231 mv $$(basename $$@).c $$(basename $$@).hex
234 # macro to define template macros that are used by use_template macro
235 define create_cc_template
236 # $1 obj class (objs, initobjs, ...)
237 # $2 source suffix (c, S)
238 # $3 .o infix ("" ".initobj", ...)
239 # $4 additional compiler flags
240 de$(EMPTY)fine $(1)_$(2)_template
241 $(obj)/$$(1)%$(3).o: src/$$(1)%.$(2) $(obj)/config.h
242 @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
243 $(CC) $(4) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
247 $(eval $(call create_cc_template,objs,c))
248 $(eval $(call create_cc_template,objs,S,,-DASSEMBLY))
249 $(eval $(call create_cc_template,initobjs,c,.initobj,-D__PRE_RAM__))
250 $(eval $(call create_cc_template,initobjs,S,.initobj,-DASSEMBLY -D__PRE_RAM__))
251 $(eval $(call create_cc_template,drivers,c,.driver))
252 $(eval $(call create_cc_template,drivers,S,.driver,-DASSEMBLY))
253 $(eval $(call create_cc_template,smmobjs,c,.smmobj))
254 $(eval $(call create_cc_template,smmobjs,S,.smmobj))
256 usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
257 usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
258 $(eval $(call usetemplate,objs,asl))
259 $(eval $(call usetemplate,objs,c))
260 $(eval $(call usetemplate,objs,S))
261 $(eval $(call usetemplate,initobjs,c))
262 $(eval $(call usetemplate,initobjs,S))
263 $(eval $(call usetemplate,drivers,c))
264 $(eval $(call usetemplate,drivers,S))
265 $(eval $(call usetemplate,smmobjs,c))
266 $(eval $(call usetemplate,smmobjs,S))
268 DEPENDENCIES = $(objs:.o=.d) $(initobjs:.o=.d) $(drivers:.o=.d) $(smmobjs:.o=.d)
269 -include $(DEPENDENCIES)
273 @echo initobjs:=$(initobjs)
274 @echo drivers:=$(drivers)
275 @echo smmobjs:=$(smmobjs)
276 @echo alldirs:=$(alldirs)
277 @echo allsrc=$(allsrc)
278 @echo DEPENDENCIES=$(DEPENDENCIES)
279 @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
283 @echo ldscripts=$(ldscripts)
285 OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
286 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
287 INCLUDES += -Isrc/devices/oprom/include
288 # abspath is a workaround for romcc
289 INCLUDES += -include $(abspath $(obj)/config.h)
291 CFLAGS = $(INCLUDES) -Os -nostdinc -pipe -g
292 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
293 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
294 CFLAGS += -Wstrict-aliasing -Wshadow
295 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
298 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
300 CBFS_COMPRESS_FLAG:=l
301 CBFS_PAYLOAD_COMPRESS_FLAG:=
302 CBFS_PAYLOAD_COMPRESS_NAME:=none
303 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
304 CBFS_PAYLOAD_COMPRESS_FLAG:=l
305 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
308 coreboot: $(obj)/coreboot.rom
312 $(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs))
314 $(obj)/build.h: .xcompile
315 @printf " GEN build.h\n"
317 printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
318 printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
319 printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
320 printf "#define COREBOOT_VERSION \"$(KERNELVERSION)-r$(shell if [ -d $(top)/.svn -a -f "`which svnversion`" ]; then svnversion $(top); else if [ -d $(top)/.git -a -f "`which git`" ]; then git --git-dir=/$(top)/.git log|grep git-svn-id|cut -f 2 -d@|cut -f 1 -d' '|sort -g|tail -1; fi; fi)\"\n" >> $(obj)/build.ht
321 printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
322 printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
323 printf "\n" >> $(obj)/build.ht
324 printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
325 printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
326 printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
327 printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
328 printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
329 printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
330 printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
331 printf "#endif\n" >> $(obj)/build.ht
332 mv $(obj)/build.ht $(obj)/build.h
339 $(DOXYGEN) documentation/Doxyfile.coreboot
341 doxyclean: doxygen-clean
343 rm -rf $(DOXYGEN_OUTPUT_DIR)
345 clean-for-update: doxygen-clean
346 rm -f $(objs) $(initobjs) $(drivers) $(smmobjs) .xcompile
347 rm -f $(DEPENDENCIES)
348 rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
349 rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
350 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
351 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
352 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
353 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
354 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
355 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
356 rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
358 clean: clean-for-update
359 rm -f $(obj)/coreboot* .ccwrap
362 rm -rf coreboot-builds
367 distclean: clean-cscope clean-abuild
369 rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
372 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
374 # This include must come _before_ the pattern rules below!
375 # Order _does_ matter for pattern rules.
376 include util/kconfig/Makefile
378 $(obj)/ldoptions: $(obj)/config.h
379 awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
381 _WINCHECK=$(shell uname -o 2> /dev/null)
383 ifeq ($(_WINCHECK),Msys)
384 STACK=-Wl,--stack,16384000
386 ifeq ($(_WINCHECK),Cygwin)
387 STACK=-Wl,--stack,16384000
390 $(objutil)/romcc/romcc: $(top)/util/romcc/romcc.c
391 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
392 @# Note: Adding -O2 here might cause problems. For details see:
393 @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
394 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
396 .PHONY: $(PHONY) clean clean-abuild clean-cscope cscope distclean doxygen doxy coreboot .xcompile