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: $(obj)/coreboot.rom
  34
  35 #######################################################################
  36 # our phony targets
  37 PHONY+= clean-abuild coreboot lint lint-stable
  38
  39 #######################################################################
  40 # root source directories of coreboot
  41 subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge
  42 subdirs-y += src/northbridge src/superio src/drivers src/cpu src/vendorcode
  43 subdirs-y += util/cbfstool util/sconfig
  44 subdirs-y += src/arch/$(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 ramstage-c-deps:=$$(OPTION_TABLE_H)
  66 romstage-c-deps:=$$(OPTION_TABLE_H)
  67
  68 #######################################################################
  69 # Add handler to compile ACPI's ASL
  70 define ramstage-objs_asl_template
  71 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
  72         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
  73         $(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
  74         cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
  75         mv $$(basename $$@).hex $$(basename $$@).c
  76         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
  77         # keep %.o: %.c rule from catching the temporary .c file after a make clean
  78         mv $$(basename $$@).c $$(basename $$@).hex
  79 endef
  80
  81 #######################################################################
  82 # Add handler for arbitrary files in CBFS
  83 $(call add-special-class,cbfs-files)
  84 cbfs-files-handler= \
  85                 $(if $(wildcard $(1)$($(2)-file)), \
  86                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
  87                         $(eval tmp-cbfs-file:= $($(2)-file))) \
  88                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
  89                 $(eval $(2)-name:=) \
  90                 $(eval $(2)-type:=) \
  91                 $(eval $(2)-position:=)
  92
  93 #######################################################################
  94 # a variety of flags for our build
  95 CBFS_COMPRESS_FLAG:=
  96 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
  97 CBFS_COMPRESS_FLAG:=l
  98 endif
  99
 100 CBFS_PAYLOAD_COMPRESS_FLAG:=
 101 CBFS_PAYLOAD_COMPRESS_NAME:=none
 102 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 103 CBFS_PAYLOAD_COMPRESS_FLAG:=l
 104 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
 105 endif
 106
 107 ifneq ($(CONFIG_LOCALVERSION),"")
 108 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 109 endif
 110
 111 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 112 INCLUDES += -Isrc/devices/oprom/include
 113 # abspath is a workaround for romcc
 114 INCLUDES += -include $(abspath $(obj)/config.h)
 115
 116 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
 117 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 118 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 119 CFLAGS += -Wstrict-aliasing -Wshadow
 120 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 121 CFLAGS += -Werror
 122 endif
 123 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 124
 125 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
 126
 127 #######################################################################
 128 # generate build support files
 129 $(obj)/build.h: .xcompile
 130         @printf "    GEN        build.h\n"
 131         rm -f $(obj)/build.h
 132         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 133         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 134         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 135         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 136         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 137         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 138         printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
 139         printf "\n" >> $(obj)/build.ht
 140         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 141         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 142         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 143         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 144         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 145         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
 146         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 147         printf "#endif\n" >> $(obj)/build.ht
 148         mv $(obj)/build.ht $(obj)/build.h
 149
 150 $(obj)/ldoptions: $(obj)/config.h
 151         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 152
 153 #######################################################################
 154 # Build the tools
 155 CBFSTOOL:=$(obj)/cbfstool
 156
 157 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 158         cp $< $@
 159
 160 _WINCHECK=$(shell uname -o 2> /dev/null)
 161 STACK=
 162 ifeq ($(_WINCHECK),Msys)
 163         STACK=-Wl,--stack,16384000
 164 endif
 165 ifeq ($(_WINCHECK),Cygwin)
 166         STACK=-Wl,--stack,16384000
 167 endif
 168
 169 ROMCC:= $(objutil)/romcc/romcc
 170 $(ROMCC): $(top)/util/romcc/romcc.c
 171         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 172         @# Note: Adding -O2 here might cause problems. For details see:
 173         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 174         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 175
 176 #######################################################################
 177 # needed objects that every mainboard uses
 178 # Creation of these is architecture and mainboard independent
 179 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 180         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 181         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 182         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 183
 184 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 185
 186 $(objutil)/%.o: $(objutil)/%.c
 187         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 188         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 189
 190 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 191         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 192         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 193
 194 #######################################################################
 195 # Clean up rules
 196 clean-abuild:
 197         rm -rf coreboot-builds
 198
 199 clean-for-update-target:
 200         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 201         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 202         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 203         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 204         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 205         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 206         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 207         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 208         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean OUT=$(abspath $(obj)) HOSTCC="$(HOSTCC)" CC="$(CC)" LD="$(LD)"
 209
 210 clean-target:
 211         rm -f $(obj)/coreboot*
 212
 213 #######################################################################
 214 # Development utilities
 215 printcrt0s:
 216         @echo crt0s=$(crt0s)
 217         @echo ldscripts=$(ldscripts)
 218
 219 update:
 220         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 221
 222 lint lint-stable:
 223         FAILED=0; LINTLOG=`mktemp`; \
 224         for script in util/lint/$@-*; do \
 225                 echo; echo `basename $$script`; \
 226                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 227                 echo ========; \
 228                 $$script > $$LINTLOG; \
 229                 if [ `cat $$LINTLOG | wc -l` -eq 0 ]; then \
 230                         printf "success\n\n"; \
 231                 else \
 232                         echo test failed: ; \
 233                         cat $$LINTLOG; \
 234                         rm -f $$LINTLOG; \
 235                         FAILED=$$(( $$FAILED + 1 )); \
 236                 fi; \
 237                 echo ========; \
 238         done; \
 239         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 240         rm -f $$LINTLOG
 241
 242 gitconfig:
 243         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
 244         (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)
 245
 246 crossgcc: clean-for-update
 247         $(MAKE) -C util/crossgcc build-without-gdb
 248
 249 crosstools: clean-for-update
 250         $(MAKE) -C util/crossgcc build
 251
 252 crossgcc-clean: clean-for-update
 253         $(MAKE) -C util/crossgcc clean
 254