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