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
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` && $(CC) -print-libgcc-file-name)
70 DOXYGEN_OUTPUT_DIR := doxygen
72 ifeq ($(strip $(HAVE_DOTCONFIG)),)
78 include $(top)/.config
80 ifneq ($(INNER_SCANBUILD),y)
81 ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
87 ifeq ($(CONFIG_CCACHE),y)
88 CCACHE:=CCACHE_COMPILERCHECK=content $(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))
90 $(error ccache selected, but not found in PATH)
93 HOSTCC := $(CCACHE) $(HOSTCC)
94 HOSTCXX := $(CCACHE) $(HOSTCXX)
95 ROMCC := $(CCACHE) $(ROMCC)
98 strip_quotes = $(subst ",,$(subst \",,$(1)))
100 ARCHDIR-$(CONFIG_ARCH_X86) := i386
101 ARCHDIR-$(CONFIG_ARCH_POWERPC) := ppc
103 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
106 PLATFORM-y += src/arch/$(ARCHDIR-y) src/cpu src/mainboard/$(MAINBOARDDIR)
109 BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers
110 BUILD-y += util/cbfstool util/sconfig
111 BUILD-$(CONFIG_ARCH_X86) += src/pc80
113 ifneq ($(CONFIG_LOCALVERSION),"")
114 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
117 # The primary target needs to be here before we include the
120 ifeq ($(INNER_SCANBUILD),y)
121 CONFIG_SCANBUILD_ENABLE:=
124 ifeq ($(CONFIG_SCANBUILD_ENABLE),y)
125 ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),)
126 CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION)
129 echo '#!/bin/sh' > .ccwrap
130 echo 'CC="$(CC)"' >> .ccwrap
131 echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
132 echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
133 echo 'eval $$CC $$*' >> .ccwrap
135 scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
137 all: $(obj)/config.h coreboot
140 # must come rather early
146 #######################################################################
149 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
151 # needed objects that every mainboard uses
152 # Creation of these is architecture and mainboard independent
153 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
154 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
155 mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
156 $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
158 objs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.o
162 types:=obj initobj driver smmobj
164 # Clean -y variables, include Makefile.inc
165 # If $(3) is non-empty, add paths to files in X-y, and add them to Xs
166 # Add subdirs-y to subdirs
168 $(foreach type,$(2), $(eval $(type)-y:=)) \
169 $(eval subdirs-y:=) \
170 $(eval -include $(1)) \
171 $(foreach type,$(2), \
174 $$(abspath $$(patsubst src/%, \
176 $$(addprefix $(dir $(1)),$$($(type)-y))))))) \
177 $(eval subdirs+=$$(subst $(PWD)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
179 # For each path in $(subdirs) call includemakefiles, passing $(1) as $(3)
180 # Repeat until subdirs is empty
182 $(eval cursubdirs:=$(subdirs)) \
184 $(foreach dir,$(cursubdirs), \
185 $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types)))) \
186 $(if $(subdirs),$(eval $(call evaluate_subdirs)))
188 # collect all object files eligible for building
189 subdirs:=$(PLATFORM-y) $(BUILD-y)
190 $(eval $(call evaluate_subdirs))
192 initobjs:=$(addsuffix .initobj.o, $(basename $(initobjs)))
193 drivers:=$(addsuffix .driver.o, $(basename $(drivers)))
194 smmobjs:=$(addsuffix .smmobj.o, $(basename $(smmobjs)))
196 allobjs:=$(foreach var, $(addsuffix s,$(types)), $($(var)))
197 alldirs:=$(sort $(abspath $(dir $(allobjs))))
198 source_with_ext=$(patsubst $(obj)/%.o,src/%.$(1),$(allobjs))
199 allsrc=$(wildcard $(call source_with_ext,c) $(call source_with_ext,S))
201 define objs_asl_template
202 $(obj)/$(1)%.o: src/$(1)%.asl
203 @printf " IASL $$(subst $(top)/,,$$(@))\n"
204 $(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
205 iasl -p $$(basename $$@) -tc $$(basename $$@).asl
206 mv $$(basename $$@).hex $$(basename $$@).c
207 $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $$@))), -DAmlCode=AmlCode_$$(basename $$(notdir $$@))) -c -o $$@ $$(basename $$@).c
210 # macro to define template macros that are used by use_template macro
211 define create_cc_template
212 # $1 obj class (objs, initobjs, ...)
213 # $2 source suffix (c, S)
214 # $3 .o infix ("" ".initobj", ...)
215 # $4 additional compiler flags
216 de$(EMPTY)fine $(1)_$(2)_template
217 $(obj)/$$(1)%$(3).o: src/$$(1)%.$(2) $(obj)/config.h
218 printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
219 $(CC) $(4) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
223 $(eval $(call create_cc_template,objs,c))
224 $(eval $(call create_cc_template,objs,S,,-DASSEMBLY))
225 $(eval $(call create_cc_template,initobjs,c,.initobj,-D__PRE_RAM__))
226 $(eval $(call create_cc_template,initobjs,S,.initobj,-DASSEMBLY -D__PRE_RAM__))
227 $(eval $(call create_cc_template,drivers,c,.driver))
228 $(eval $(call create_cc_template,drivers,S,.driver,-DASSEMBLY))
229 $(eval $(call create_cc_template,smmobjs,c,.smmobj))
230 $(eval $(call create_cc_template,smmobjs,S,.smmobj))
232 usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
233 usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
234 $(eval $(call usetemplate,objs,asl))
235 $(eval $(call usetemplate,objs,c))
236 $(eval $(call usetemplate,objs,S))
237 $(eval $(call usetemplate,initobjs,c))
238 $(eval $(call usetemplate,initobjs,S))
239 $(eval $(call usetemplate,drivers,c))
240 $(eval $(call usetemplate,drivers,S))
241 $(eval $(call usetemplate,smmobjs,c))
242 $(eval $(call usetemplate,smmobjs,S))
244 DEPENDENCIES = $(objs:.o=.d) $(initobjs:.o=.d) $(drivers:.o=.d) $(smmobjs:.o=.d)
245 -include $(DEPENDENCIES)
249 @echo initobjs:=$(initobjs)
250 @echo drivers:=$(drivers)
251 @echo smmobjs:=$(smmobjs)
252 @echo alldirs:=$(alldirs)
253 @echo allsrc=$(allsrc)
254 @echo DEPENDENCIES=$(DEPENDENCIES)
255 @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
259 @echo ldscripts=$(ldscripts)
261 OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
262 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
263 INCLUDES += -Isrc/devices/oprom/include
264 # abspath is a workaround for romcc
265 INCLUDES += -include $(abspath $(obj)/config.h)
267 CFLAGS = $(INCLUDES) -Os -nostdinc -pipe
268 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
269 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
270 CFLAGS += -Wstrict-aliasing -Wshadow
271 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
274 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
276 CBFS_COMPRESS_FLAG:=l
277 CBFS_PAYLOAD_COMPRESS_FLAG:=
278 CBFS_PAYLOAD_COMPRESS_NAME:=none
279 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
280 CBFS_PAYLOAD_COMPRESS_FLAG:=l
281 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
284 coreboot: prepare $(obj)/coreboot.rom
290 mkdir -p $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
291 test -n "$(alldirs)" && mkdir -p $(alldirs) || true
293 $(obj)/build.h: .xcompile
294 @printf " GEN build.h\n"
296 printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
297 printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
298 printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
299 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
300 printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
301 printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
302 printf "\n" >> $(obj)/build.ht
303 printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
304 printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
305 printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
306 printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
307 printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
308 printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
309 printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
310 printf "#endif\n" >> $(obj)/build.ht
311 mv $(obj)/build.ht $(obj)/build.h
315 $(DOXYGEN) documentation/Doxyfile.coreboot
317 doxyclean: doxygen-clean
319 rm -rf $(DOXYGEN_OUTPUT_DIR)
321 clean-for-update: doxygen-clean
322 rm -f $(objs) $(initobjs) $(drivers) $(smmobjs) .xcompile
323 rm -f $(DEPENDENCIES)
324 rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
325 rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
326 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
327 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
328 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
329 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
330 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
331 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
332 rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
334 clean: clean-for-update
335 rm -f $(obj)/coreboot* .ccwrap
339 rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
342 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
344 # This include must come _before_ the pattern rules below!
345 # Order _does_ matter for pattern rules.
346 include util/kconfig/Makefile
348 $(obj)/ldoptions: $(obj)/config.h
349 awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
351 _OS=$(shell uname -s |cut -c-7)
353 ifeq ($(_OS),MINGW32)
354 STACK=-Wl,--stack,16384000
356 ifeq ($(_OS),CYGWIN_)
357 STACK=-Wl,--stack,16384000
359 $(objutil)/romcc/romcc: $(top)/util/romcc/romcc.c
360 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
361 @# Note: Adding -O2 here might cause problems. For details see:
362 @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
363 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
365 .PHONY: $(PHONY) prepare clean distclean doxygen doxy coreboot .xcompile