Makefile.inc

   1 ##
   2 ## This file is part of the coreboot project.
   3 ##
   4 ## Copyright (C) 2011 secunet Security Networks AG
   5 ##
   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.
   9 ##
  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.
  14 ##
  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
  18 ##
  19
  20 #######################################################################
  21 # misleadingly named, this is the coreboot version
  22 export KERNELVERSION := $(shell if [ -d "$(top)/.git" -a -f "`which git`" ]; then git describe --dirty; else echo unknown; fi)
  23
  24 #######################################################################
  25 # Basic component discovery
  26 ARCHDIR-$(CONFIG_ARCH_X86) := x86
  27 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
  28 export MAINBOARDDIR
  29
  30 #######################################################################
  31 # root rule to resolve if in build mode (ie. configuration exists)
  32 real-target: $(obj)/config.h coreboot
  33 coreboot: $(obj)/coreboot.rom
  34
  35 #######################################################################
  36 # our phony targets
  37 PHONY+= clean-abuild coreboot lint lint-stable
  38
  39 #######################################################################
  40 # root source directories of coreboot
  41 subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge
  42 subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
  43 subdirs-y += util/cbfstool util/sconfig util/nvramtool
  44 subdirs-y += src/arch/$(ARCHDIR-y)
  45 subdirs-y += src/mainboard/$(MAINBOARDDIR)
  46 subdirs-y += src/vendorcode
  47
  48 subdirs-$(CONFIG_ARCH_X86) += src/pc80
  49
  50 subdirs-y += site-local
  51
  52 #######################################################################
  53 # Add source classes and their build options
  54 classes-y := ramstage romstage driver smm
  55
  56 romstage-c-ccopts:=-D__PRE_RAM__
  57 romstage-S-ccopts:=-D__PRE_RAM__
  58 ifeq ($(CONFIG_TRACE),y)
  59 ramstage-c-ccopts:= -finstrument-functions
  60 endif
  61
  62 smm-c-ccopts:=-D__SMM__
  63 smm-S-ccopts:=-D__SMM__
  64
  65 # SMM TSEG base is dynamic
  66 ifeq ($(CONFIG_SMM_TSEG),y)
  67 smm-c-ccopts += -fpic
  68 endif
  69
  70 ramstage-c-deps:=$$(OPTION_TABLE_H)
  71 romstage-c-deps:=$$(OPTION_TABLE_H)
  72
  73 #######################################################################
  74 # Add handler to compile ACPI's ASL
  75 define ramstage-objs_asl_template
  76 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
  77         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
  78         $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
  79         cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
  80         mv $$(basename $$@).hex $$(basename $$@).c
  81         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
  82         # keep %.o: %.c rule from catching the temporary .c file after a make clean
  83         mv $$(basename $$@).c $$(basename $$@).hex
  84 endef
  85
  86 #######################################################################
  87 # Parse plaintext cmos defaults into binary format
  88 # arg1: source file
  89 # arg2: binary file name
  90 cbfs-files-processor-nvramtool= \
  91         $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
  92                 printf "    CREATE     $(2) (from $(1))\n"; $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && mv $(2).tmp $(2))
  93
  94 #######################################################################
  95 # Add handler for arbitrary files in CBFS
  96 $(call add-special-class,cbfs-files)
  97 cbfs-files-handler= \
  98                 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
  99                 $(eval $(2)-file:=$(word 1, $(subst :, ,$($(2)-file)))) \
 100                 $(if $(wildcard $(1)$($(2)-file)), \
 101                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
 102                         $(eval tmp-cbfs-file:= $($(2)-file))) \
 103                 $(if $(tmp-cbfs-method), \
 104                         $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
 105                         $(eval tmp-cbfs-file:=$(shell mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
 106                         $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
 107                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
 108                 $(eval $(2)-name:=) \
 109                 $(eval $(2)-type:=) \
 110                 $(eval $(2)-position:=)
 111
 112 #######################################################################
 113 # a variety of flags for our build
 114 CBFS_COMPRESS_FLAG:=
 115 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
 116 CBFS_COMPRESS_FLAG:=l
 117 endif
 118
 119 CBFS_PAYLOAD_COMPRESS_FLAG:=
 120 CBFS_PAYLOAD_COMPRESS_NAME:=none
 121 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 122 CBFS_PAYLOAD_COMPRESS_FLAG:=l
 123 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
 124 endif
 125
 126 ifneq ($(CONFIG_LOCALVERSION),"")
 127 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 128 endif
 129
 130 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 131 INCLUDES += -Isrc/devices/oprom/include
 132 # abspath is a workaround for romcc
 133 INCLUDES += -include $(abspath $(obj)/config.h)
 134
 135 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
 136 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 137 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 138 CFLAGS += -Wstrict-aliasing -Wshadow
 139 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 140 CFLAGS += -Werror
 141 endif
 142 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 143
 144 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
 145
 146 #######################################################################
 147 # generate build support files
 148 $(obj)/build.h: .xcompile
 149         @printf "    GEN        build.h\n"
 150         rm -f $(obj)/build.h
 151         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 152         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 153         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 154         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 155         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 156         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 157         printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
 158         printf "\n" >> $(obj)/build.ht
 159         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 160         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 161         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 162         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 163         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 164         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
 165         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 166         printf "#endif\n" >> $(obj)/build.ht
 167         mv $(obj)/build.ht $(obj)/build.h
 168
 169 $(obj)/ldoptions: $(obj)/config.h
 170         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 171
 172 #######################################################################
 173 # Build the tools
 174 CBFSTOOL:=$(obj)/cbfstool
 175
 176 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 177         cp $< $@
 178
 179 _WINCHECK=$(shell uname -o 2> /dev/null)
 180 STACK=
 181 ifeq ($(_WINCHECK),Msys)
 182         STACK=-Wl,--stack,16384000
 183 endif
 184 ifeq ($(_WINCHECK),Cygwin)
 185         STACK=-Wl,--stack,16384000
 186 endif
 187
 188 ROMCC:= $(objutil)/romcc/romcc
 189 $(ROMCC): $(top)/util/romcc/romcc.c
 190         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 191         @# Note: Adding -O2 here might cause problems. For details see:
 192         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 193         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 194
 195 #######################################################################
 196 # needed objects that every mainboard uses
 197 # Creation of these is architecture and mainboard independent
 198 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 199         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 200         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 201         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 202
 203 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 204
 205 $(objutil)/%.o: $(objutil)/%.c
 206         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 207         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 208
 209 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 210         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 211         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 212
 213 #######################################################################
 214 # Clean up rules
 215 clean-abuild:
 216         rm -rf coreboot-builds
 217
 218 clean-for-update-target:
 219         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 220         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 221         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 222         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 223         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 224         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 225         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 226         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 227         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
 228
 229 clean-target:
 230         rm -f $(obj)/coreboot*
 231
 232 #######################################################################
 233 # Development utilities
 234 printcrt0s:
 235         @echo crt0s=$(crt0s)
 236         @echo ldscripts=$(ldscripts)
 237
 238 update:
 239         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 240
 241 lint lint-stable:
 242         FAILED=0; LINTLOG=`mktemp`; \
 243         for script in util/lint/$@-*; do \
 244                 echo; echo `basename $$script`; \
 245                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 246                 echo ========; \
 247                 $$script > $$LINTLOG; \
 248                 if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
 249                         printf "success\n\n"; \
 250                 else \
 251                         echo test failed: ; \
 252                         cat $$LINTLOG; \
 253                         rm -f $$LINTLOG; \
 254                         FAILED=$$(( $$FAILED + 1 )); \
 255                 fi; \
 256                 echo ========; \
 257         done; \
 258         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 259         rm -f $$LINTLOG
 260
 261 gitconfig:
 262         for hook in commit-msg pre-commit; do if ! [ -x .git/hooks/$$hook ]; then cp util/gitconfig/$$hook .git/hooks/$$hook; chmod +x .git/hooks/$$hook; fi; done
 263         (git config --global user.name >/dev/null && git config --global user.email >/dev/null) || (printf 'Please configure your name and email in git:\n\n git config --global user.name "Your Name Comes Here"\n git config --global user.email your.email@example.com\n'; exit 1)
 264
 265 crossgcc: clean-for-update
 266         $(MAKE) -C util/crossgcc build-without-gdb
 267
 268 crosstools: clean-for-update
 269         $(MAKE) -C util/crossgcc build
 270
 271 crossgcc-clean: clean-for-update
 272         $(MAKE) -C util/crossgcc clean
 273