2 ## This file is part of the coreboot project.
4 ## Copyright (C) 2011 secunet Security Networks AG
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; version 2 of the License.
10 ## This program is distributed in the hope that it will be useful,
11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ## GNU General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with this program; if not, write to the Free Software
17 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #######################################################################
21 # misleadingly named, this is the coreboot version
22 REV=-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)
23 export KERNELVERSION := 4.0$(REV)
25 #######################################################################
26 # Basic component discovery
27 ARCHDIR-$(CONFIG_ARCH_X86) := x86
28 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
31 #######################################################################
32 # root rule to resolve if in build mode (ie. configuration exists)
33 real-target: $(obj)/config.h coreboot
34 coreboot: $(obj)/coreboot.rom
36 #######################################################################
38 PHONY+= clean-abuild coreboot
40 #######################################################################
41 # root source directories of coreboot
42 subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge src/northbridge src/superio src/drivers src/cpu
43 subdirs-y += util/cbfstool util/sconfig
44 subdirs-y += src/arch/$(ARCHDIR-y)
45 subdirs-y += src/mainboard/$(MAINBOARDDIR)
47 subdirs-$(CONFIG_ARCH_X86) += src/pc80
49 #######################################################################
50 # Add source classes and their build options
51 classes-y := ramstage romstage driver smm
53 romstage-c-ccopts:=-D__PRE_RAM__
54 romstage-S-ccopts:=-D__PRE_RAM__
55 smm-c-ccopts:=-D__SMM__
56 smm-S-ccopts:=-D__SMM__
58 ramstage-c-deps:=$$(OPTION_TABLE_H)
59 romstage-c-deps:=$$(OPTION_TABLE_H)
61 #######################################################################
62 # Add handler to compile ACPI's ASL
63 define ramstage-objs_asl_template
64 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
65 @printf " IASL $$(subst $(top)/,,$$(@))\n"
66 $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
67 cd $$(dir $$@); iasl -p $$(abspath $$(obj)/$(1)) -tc $$(notdir $$(basename $$@)).asl
68 mv $$(obj)/$(1).hex $$(basename $$@).c
69 $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
70 # keep %.o: %.c rule from catching the temporary .c file after a make clean
71 mv $$(basename $$@).c $$(basename $$@).hex
74 #######################################################################
75 # Add handler for arbitrary files in CBFS
76 $(call add-special-class,cbfs-files)
78 $(if $(wildcard $(1)$($(2)-file)), \
79 $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
80 $(eval tmp-cbfs-file:= $($(2)-file))) \
81 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
84 $(eval $(2)-position:=)
86 #######################################################################
87 # a variety of flags for our build
89 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
93 CBFS_PAYLOAD_COMPRESS_FLAG:=
94 CBFS_PAYLOAD_COMPRESS_NAME:=none
95 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
96 CBFS_PAYLOAD_COMPRESS_FLAG:=l
97 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
100 ifneq ($(CONFIG_LOCALVERSION),"")
101 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
104 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
105 INCLUDES += -Isrc/devices/oprom/include
106 # abspath is a workaround for romcc
107 INCLUDES += -include $(abspath $(obj)/config.h)
109 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
110 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
111 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
112 CFLAGS += -Wstrict-aliasing -Wshadow
113 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
116 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
118 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
120 #######################################################################
121 # generate build support files
122 $(obj)/build.h: .xcompile
123 @printf " GEN build.h\n"
125 printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
126 printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
127 printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
128 printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
129 printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
130 printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
131 printf "\n" >> $(obj)/build.ht
132 printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
133 printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
134 printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
135 printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
136 printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
137 printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
138 printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
139 printf "#endif\n" >> $(obj)/build.ht
140 mv $(obj)/build.ht $(obj)/build.h
142 $(obj)/ldoptions: $(obj)/config.h
143 awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
145 #######################################################################
147 CBFSTOOL:=$(obj)/cbfstool
149 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
152 _WINCHECK=$(shell uname -o 2> /dev/null)
154 ifeq ($(_WINCHECK),Msys)
155 STACK=-Wl,--stack,16384000
157 ifeq ($(_WINCHECK),Cygwin)
158 STACK=-Wl,--stack,16384000
161 ROMCC:= $(objutil)/romcc/romcc
162 $(ROMCC): $(top)/util/romcc/romcc.c
163 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
164 @# Note: Adding -O2 here might cause problems. For details see:
165 @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
166 $(HOSTCC) -g $(STACK) -Wall -o $@ $<
168 #######################################################################
169 # needed objects that every mainboard uses
170 # Creation of these is architecture and mainboard independent
171 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
172 @printf " SCONFIG $(subst $(src)/,,$(<))\n"
173 mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
174 $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
176 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
178 $(objutil)/%.o: $(objutil)/%.c
179 @printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
180 $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
182 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
183 @printf " CC $(subst $(obj)/,,$(@))\n"
184 $(CC) -MMD $(CFLAGS) -c -o $@ $<
186 #######################################################################
189 rm -rf coreboot-builds
191 clean-for-update-target:
192 rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
193 rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
194 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
195 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
196 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
197 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
198 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
199 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
200 $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean
203 rm -f $(obj)/coreboot*
205 #######################################################################
206 # Development utilities
209 @echo ldscripts=$(ldscripts)
212 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
215 FAILED=0; LINTLOG=`mktemp`; \
216 for script in util/lint/lint-*; do \
217 echo; echo `basename $$script`; \
218 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
220 $$script > $$LINTLOG; \
221 if [ `wc -l $$LINTLOG | cut -d' ' -f1` -eq 0 ]; then \
222 printf "success\n\n"; \
224 echo test failed: ; \
227 FAILED=$$(( $$FAILED + 1 )); \
231 test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." && exit 1; }; \
234 crossgcc: clean-for-update
235 $(MAKE) -C util/crossgcc build
237 crossgcc-clean: clean-for-update
238 $(MAKE) -C util/crossgcc clean