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`" ]; \
  23        then git describe --dirty --always || git describe; \
  24        else echo 4.0$(KERNELREVISION); fi)
  25
  26 #######################################################################
  27 # Basic component discovery
  28 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
  29 export MAINBOARDDIR
  30
  31 ## Final build results, which CBFSTOOL uses to create the final
  32 ## rom image file, are placed under $(objcbfs).
  33 ## These typically have suffixes .debug .elf .bin and .map
  34 export objcbfs := $(obj)/cbfs/$(call strip_quotes,$(CONFIG_CBFS_PREFIX))
  35
  36 ## Based on the active configuration, Makefile conditionally collects
  37 ## the required assembly includes and saves them in a file.
  38 ## Such files that do not have a clear one-to-one relation to a source
  39 ## file under src/ are placed and built under $(objgenerated)
  40 export objgenerated := $(obj)/generated
  41
  42 #######################################################################
  43 # root rule to resolve if in build mode (ie. configuration exists)
  44 real-target: $(obj)/config.h coreboot
  45 coreboot: build-dirs $(obj)/coreboot.rom
  46
  47 #######################################################################
  48 # our phony targets
  49 PHONY+= clean-abuild coreboot lint lint-stable build-dirs
  50
  51 #######################################################################
  52 # root source directories of coreboot
  53 subdirs-y := src/lib src/console src/device src/ec src/southbridge
  54 subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
  55 subdirs-y += util/cbfstool util/sconfig util/nvramtool
  56 subdirs-y += src/arch/$(ARCHDIR-y)
  57 subdirs-y += src/mainboard/$(MAINBOARDDIR)
  58
  59 subdirs-y += site-local
  60
  61 #######################################################################
  62 # Add source classes and their build options
  63 classes-y := ramstage romstage bootblock smm smmstub cpu_microcode rmodules
  64
  65 #######################################################################
  66 # Helper functions for ramstage postprocess
  67 spc :=
  68 spc +=
  69 $(spc) :=
  70 $(spc) +=
  71
  72 # files-in-dir-recursive,dir,files
  73 files-in-dir-recursive=$(filter $(1)%,$(2))
  74
  75 # parent-dir,dir/
  76 parent-dir=$(dir $(subst $( ),/,$(strip $(subst /, ,$(1)))))
  77
  78 # filters out exactly the directory specified
  79 # filter-out-dir,dir_to_keep,dirs
  80 filter-out-dir=$(filter-out $(1),$(2))
  81
  82 # filters out dir_to_keep and all its parents
  83 # filter-out-dirs,dir_to_keep,dirs
  84 filter-out-dirs=$(if $(filter-out ./,$(1)),$(call filter-out-dirs,$(call parent-dir,$(1)),$(call filter-out-dir,$(1),$(2))),$(call filter-out-dir,$(1),$(2)))
  85
  86 # dir-wildcards,dirs
  87 dir-wildcards=$(addsuffix %,$(1))
  88
  89 # files-in-dir,dir,files
  90 files-in-dir=$(filter-out $(call dir-wildcards,$(call filter-out-dirs,$(1),$(dir $(2)))),$(call files-in-dir-recursive,$(1),$(2)))
  91
  92 #######################################################################
  93 # reduce command line length by linking the objects of each
  94 # directory into an intermediate file
  95 ramstage-postprocess=$(foreach d,$(sort $(dir $(1))), \
  96         $(eval $(d)ramstage.o: $(call files-in-dir,$(d),$(1)); $$(LD) -o $$@ -r $$^ ) \
  97         $(eval ramstage-objs:=$(d)ramstage.o $(filter-out $(call files-in-dir,$(d),$(1)),$(ramstage-objs))))
  98
  99 romstage-c-ccopts:=-D__PRE_RAM__
 100 romstage-S-ccopts:=-D__PRE_RAM__
 101 ifeq ($(CONFIG_TRACE),y)
 102 ramstage-c-ccopts:= -finstrument-functions
 103 endif
 104 ifeq ($(CONFIG_COVERAGE),y)
 105 ramstage-c-ccopts+=-fprofile-arcs -ftest-coverage
 106 endif
 107
 108 ifeq ($(CONFIG_USE_BLOBS),y)
 109 forgetthis:=$(shell git submodule update --init --checkout 3rdparty)
 110 endif
 111
 112 bootblock-c-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
 113 bootblock-S-ccopts:=-D__BOOT_BLOCK__ -D__PRE_RAM__
 114
 115 smmstub-c-ccopts:=-D__SMM__
 116 smmstub-S-ccopts:=-D__SMM__
 117 smm-c-ccopts:=-D__SMM__
 118 smm-S-ccopts:=-D__SMM__
 119
 120 # SMM TSEG base is dynamic
 121 ifneq ($(CONFIG_SMM_MODULES),y)
 122 ifeq ($(CONFIG_SMM_TSEG),y)
 123 smm-c-ccopts += -fpic
 124 endif
 125 endif
 126
 127 ramstage-c-deps:=$$(OPTION_TABLE_H)
 128 romstage-c-deps:=$$(OPTION_TABLE_H)
 129 bootblock-c-deps:=$$(OPTION_TABLE_H)
 130 smm-c-deps:=$$(OPTION_TABLE_H)
 131
 132 #######################################################################
 133 # Add handler to compile ACPI's ASL
 134 define ramstage-objs_asl_template
 135 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
 136         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
 137         $(CC) -x assembler-with-cpp -E -MMD -MT $$(@) -D__ACPI__ -P -include $(src)/include/kconfig.h -I$(obj) -I$(src) -I$(src)/include -I$(src)/arch/$(ARCHDIR-y)/include -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
 138         cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
 139         mv $$(basename $$@).hex $$(basename $$@).c
 140         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
 141         # keep %.o: %.c rule from catching the temporary .c file after a make clean
 142         mv $$(basename $$@).c $$(basename $$@).hex
 143 endef
 144
 145 #######################################################################
 146 # Parse plaintext cmos defaults into binary format
 147 # arg1: source file
 148 # arg2: binary file name
 149 cbfs-files-processor-nvramtool= \
 150         $(eval $(2): $(1) $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout | $(objutil)/nvramtool/nvramtool ; \
 151                 printf "    CREATE     $(2) (from $(1))\n"; $(objutil)/nvramtool/nvramtool -y $(src)/mainboard/$(MAINBOARDDIR)/cmos.layout -D $(2).tmp -p $(1) && mv $(2).tmp $(2))
 152
 153 #######################################################################
 154 # Link VSA binary to ELF-ish stage
 155 # arg1: source file
 156 # arg2: binary file name
 157 cbfs-files-processor-vsa= \
 158         $(eval $(2): $(1) ; \
 159                 printf "    CREATE     $(2) (from $(1))\n";  $(OBJCOPY) --set-start 0x20 --adjust-vma 0x60000 -I binary -O elf32-i386 -B i386 $(1) $(2).tmp && $(LD) -m elf_i386 -e 0x60020 --section-start .data=0x60000 $(2).tmp -o $(2))
 160
 161 #######################################################################
 162 # Add handler for arbitrary files in CBFS
 163 $(call add-special-class,cbfs-files)
 164 cbfs-files-handler= \
 165                 $(eval tmp-cbfs-method:=$(word 2, $(subst :, ,$($(2)-file)))) \
 166                 $(eval $(2)-file:=$(call strip_quotes,$(word 1, $(subst :, ,$($(2)-file))))) \
 167                 $(if $(wildcard $(1)$($(2)-file)), \
 168                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
 169                         $(eval tmp-cbfs-file:= $($(2)-file))) \
 170                 $(if $(strip $($(2)-required)), \
 171                         $(if $(wildcard $(tmp-cbfs-file)),, \
 172                                 $(info This build configuration requires $($(2)-required)) \
 173                                 $(eval FAILBUILD:=1) \
 174                         )) \
 175                 $(if $(tmp-cbfs-method), \
 176                         $(eval tmp-old-cbfs-file:=$(tmp-cbfs-file)) \
 177                         $(eval tmp-cbfs-file:=$(shell mkdir -p $(obj)/mainboard/$(MAINBOARDDIR); mktemp $(obj)/mainboard/$(MAINBOARDDIR)/cbfs-file.XXXXXX).out) \
 178                         $(call cbfs-files-processor-$(tmp-cbfs-method),$(tmp-old-cbfs-file),$(tmp-cbfs-file))) \
 179                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-compression)|$($(2)-position)) \
 180                 $(eval $(2)-name:=) \
 181                 $(eval $(2)-type:=) \
 182                 $(eval $(2)-compression:=) \
 183                 $(eval $(2)-position:=) \
 184                 $(eval $(2)-required:=)
 185
 186 #######################################################################
 187 # a variety of flags for our build
 188 CBFS_COMPRESS_FLAG:=none
 189 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
 190 CBFS_COMPRESS_FLAG:=LZMA
 191 endif
 192
 193 CBFS_PAYLOAD_COMPRESS_FLAG:=none
 194 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 195 CBFS_PAYLOAD_COMPRESS_FLAG:=LZMA
 196 endif
 197
 198 ifneq ($(CONFIG_LOCALVERSION),"")
 199 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 200 endif
 201
 202 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 203 INCLUDES += -Isrc/device/oprom/include
 204 # abspath is a workaround for romcc
 205 INCLUDES += -include $(src)/include/kconfig.h
 206
 207 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
 208 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 209 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 210 CFLAGS += -Wstrict-aliasing -Wshadow
 211 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 212 CFLAGS += -Werror
 213 endif
 214 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 215
 216 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/ifdtool \
 217                    $(objutil)/ifdfake $(objutil)/options
 218
 219 #######################################################################
 220 # generate build support files
 221 $(obj)/build.h: .xcompile
 222         @printf "    GEN        build.h\n"
 223         rm -f $(obj)/build.h
 224         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 225         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 226         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 227         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 228         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 229         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 230         printf "#define COREBOOT_BUILD_YEAR_BCD 0x`LANG= date +"%y"`\n" >> $(obj)/build.ht
 231         printf "#define COREBOOT_BUILD_MONTH_BCD 0x`LANG= date +"%m"`\n" >> $(obj)/build.ht
 232         printf "#define COREBOOT_BUILD_DAY_BCD 0x`LANG= date +"%d"`\n" >> $(obj)/build.ht
 233         printf "#define COREBOOT_BUILD_WEEKDAY_BCD 0x`LANG= date +"%w"`\n" >> $(obj)/build.ht
 234         printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
 235         printf "\n" >> $(obj)/build.ht
 236         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 237         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 238         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 239         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 240         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 241         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null || hostname 2>/dev/null)\"\n" >> $(obj)/build.ht
 242         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 243         printf "#endif\n" >> $(obj)/build.ht
 244         mv $(obj)/build.ht $(obj)/build.h
 245
 246 $(obj)/ldoptions: $(obj)/config.h
 247         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 248
 249 build-dirs:
 250         mkdir -p $(objcbfs) $(objgenerated)
 251
 252 #######################################################################
 253 # Build the tools
 254 CBFSTOOL:=$(obj)/cbfstool
 255
 256 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 257         cp $< $@
 258
 259 _WINCHECK=$(shell uname -o 2> /dev/null)
 260 STACK=
 261 ifeq ($(_WINCHECK),Msys)
 262         STACK=-Wl,--stack,16384000
 263 endif
 264 ifeq ($(_WINCHECK),Cygwin)
 265         STACK=-Wl,--stack,16384000
 266 endif
 267
 268 ROMCC:= $(objutil)/romcc/romcc
 269 $(ROMCC): $(top)/util/romcc/romcc.c
 270         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 271         @# Note: Adding -O2 here might cause problems. For details see:
 272         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 273         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 274
 275 IFDTOOL:=$(objutil)/ifdtool/ifdtool
 276 $(IFDTOOL): $(top)/util/ifdtool/ifdtool.c
 277         @printf "    HOSTCC     $(subst $(obj)/,,$(@))\n"
 278         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 279
 280 IFDFAKE:=$(objutil)/ifdfake/ifdfake
 281 $(IFDFAKE): $(top)/util/ifdfake/ifdfake.c
 282         @printf "    HOSTCC     $(subst $(obj)/,,$(@))\n"
 283         $(HOSTCC) $(HOSTCFLAGS) -o $@ $<
 284
 285 #######################################################################
 286 # needed objects that every mainboard uses
 287 # Creation of these is architecture and mainboard independent
 288 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 289         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 290         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 291         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 292
 293 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 294 romstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 295
 296 $(objutil)/%.o: $(objutil)/%.c
 297         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 298         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 299
 300 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 301         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 302         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 303
 304 $(obj)/%.romstage.o $(abspath $(obj))/%.romstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 305         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 306         $(CC) -MMD -D__PRE_RAM__ $(CFLAGS) -c -o $@ $<
 307
 308 $(obj)/%.bootblock.o $(abspath $(obj))/%.bootblock.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 309         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 310         $(CC) -MMD $(bootblock-c-ccopts) $(CFLAGS) -c -o $@ $<
 311
 312 #######################################################################
 313 # Clean up rules
 314 clean-abuild:
 315         rm -rf coreboot-builds
 316
 317 clean-for-update-target:
 318         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 319         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 320         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 321         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 322         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 323         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 324         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 325         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 326         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
 327
 328 clean-target:
 329         rm -f $(obj)/coreboot*
 330
 331 #######################################################################
 332 # Development utilities
 333 printcrt0s:
 334         @echo crt0s=$(crt0s)
 335         @echo ldscripts=$(ldscripts)
 336
 337 update:
 338         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 339
 340 lint lint-stable:
 341         FAILED=0; LINTLOG=`mktemp .tmpconfig.lintXXXXX`; \
 342         for script in util/lint/$@-*; do \
 343                 echo; echo `basename $$script`; \
 344                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 345                 echo ========; \
 346                 $$script > $$LINTLOG; \
 347                 if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
 348                         printf "success\n\n"; \
 349                 else \
 350                         echo test failed: ; \
 351                         cat $$LINTLOG; \
 352                         rm -f $$LINTLOG; \
 353                         FAILED=$$(( $$FAILED + 1 )); \
 354                 fi; \
 355                 echo ========; \
 356         done; \
 357         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 358         rm -f $$LINTLOG
 359
 360 gitconfig:
 361         mkdir -p .git/hooks
 362         for hook in commit-msg pre-commit ; do                       \
 363                 if [ util/gitconfig/$$hook -nt .git/hooks/$$hook -o  \
 364                 ! -x .git/hooks/$$hook ]; then                       \
 365                         cp util/gitconfig/$$hook .git/hooks/$$hook;  \
 366                         chmod +x .git/hooks/$$hook;                  \
 367                 fi;                                                  \
 368         done
 369         git config remote.origin.push HEAD:refs/for/master
 370         (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)
 371
 372 crossgcc: clean-for-update
 373         $(MAKE) -C util/crossgcc build-without-gdb
 374
 375 crosstools: clean-for-update
 376         $(MAKE) -C util/crossgcc build
 377
 378 crossgcc-clean: clean-for-update
 379         $(MAKE) -C util/crossgcc clean
 380
 381 tools: $(objutil)/kconfig/conf $(objutil)/cbfstool/cbfstool $(objutil)/nvramtool/nvramtool $(objutil)/romcc/romcc $(objutil)/sconfig/sconfig
 382