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: $(obj)/coreboot.rom
  34
  35 #######################################################################
  36 # our phony targets
  37 PHONY+= clean-abuild coreboot
  38
  39 #######################################################################
  40 # root source directories of coreboot
  41 subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge src/northbridge src/superio src/drivers src/cpu
  42 subdirs-y += util/cbfstool util/sconfig
  43 subdirs-y += src/arch/$(ARCHDIR-y)
  44 subdirs-y += src/mainboard/$(MAINBOARDDIR)
  45
  46 subdirs-$(CONFIG_ARCH_X86) += src/pc80
  47
  48 subdirs-y += site-local
  49
  50 #######################################################################
  51 # Add source classes and their build options
  52 classes-y := ramstage romstage driver smm
  53
  54 romstage-c-ccopts:=-D__PRE_RAM__
  55 romstage-S-ccopts:=-D__PRE_RAM__
  56 ifeq ($(CONFIG_TRACE),y)
  57 ramstage-c-ccopts:= -finstrument-functions
  58 endif
  59
  60 smm-c-ccopts:=-D__SMM__
  61 smm-S-ccopts:=-D__SMM__
  62
  63 ramstage-c-deps:=$$(OPTION_TABLE_H)
  64 romstage-c-deps:=$$(OPTION_TABLE_H)
  65
  66 #######################################################################
  67 # Add handler to compile ACPI's ASL
  68 define ramstage-objs_asl_template
  69 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
  70         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
  71         $(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
  72         cd $$(dir $$@); $(IASL) -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl
  73         mv $$(basename $$@).hex $$(basename $$@).c
  74         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
  75         # keep %.o: %.c rule from catching the temporary .c file after a make clean
  76         mv $$(basename $$@).c $$(basename $$@).hex
  77 endef
  78
  79 #######################################################################
  80 # Add handler for arbitrary files in CBFS
  81 $(call add-special-class,cbfs-files)
  82 cbfs-files-handler= \
  83                 $(if $(wildcard $(1)$($(2)-file)), \
  84                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
  85                         $(eval tmp-cbfs-file:= $($(2)-file))) \
  86                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
  87                 $(eval $(2)-name:=) \
  88                 $(eval $(2)-type:=) \
  89                 $(eval $(2)-position:=)
  90
  91 #######################################################################
  92 # a variety of flags for our build
  93 CBFS_COMPRESS_FLAG:=
  94 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
  95 CBFS_COMPRESS_FLAG:=l
  96 endif
  97
  98 CBFS_PAYLOAD_COMPRESS_FLAG:=
  99 CBFS_PAYLOAD_COMPRESS_NAME:=none
 100 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 101 CBFS_PAYLOAD_COMPRESS_FLAG:=l
 102 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
 103 endif
 104
 105 ifneq ($(CONFIG_LOCALVERSION),"")
 106 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 107 endif
 108
 109 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 110 INCLUDES += -Isrc/devices/oprom/include
 111 # abspath is a workaround for romcc
 112 INCLUDES += -include $(abspath $(obj)/config.h)
 113
 114 CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc
 115 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 116 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 117 CFLAGS += -Wstrict-aliasing -Wshadow
 118 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 119 CFLAGS += -Werror
 120 endif
 121 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 122
 123 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
 124
 125 #######################################################################
 126 # generate build support files
 127 $(obj)/build.h: .xcompile
 128         @printf "    GEN        build.h\n"
 129         rm -f $(obj)/build.h
 130         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 131         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 132         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 133         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 134         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 135         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 136         printf "#define COREBOOT_DMI_DATE \"`LANG= date +"%m/%d/%Y"`\"\n" >> $(obj)/build.ht
 137         printf "\n" >> $(obj)/build.ht
 138         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 139         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 140         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 141         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 142         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 143         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
 144         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 145         printf "#endif\n" >> $(obj)/build.ht
 146         mv $(obj)/build.ht $(obj)/build.h
 147
 148 $(obj)/ldoptions: $(obj)/config.h
 149         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 150
 151 #######################################################################
 152 # Build the tools
 153 CBFSTOOL:=$(obj)/cbfstool
 154
 155 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 156         cp $< $@
 157
 158 _WINCHECK=$(shell uname -o 2> /dev/null)
 159 STACK=
 160 ifeq ($(_WINCHECK),Msys)
 161         STACK=-Wl,--stack,16384000
 162 endif
 163 ifeq ($(_WINCHECK),Cygwin)
 164         STACK=-Wl,--stack,16384000
 165 endif
 166
 167 ROMCC:= $(objutil)/romcc/romcc
 168 $(ROMCC): $(top)/util/romcc/romcc.c
 169         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 170         @# Note: Adding -O2 here might cause problems. For details see:
 171         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 172         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 173
 174 #######################################################################
 175 # needed objects that every mainboard uses
 176 # Creation of these is architecture and mainboard independent
 177 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 178         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 179         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 180         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 181
 182 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 183
 184 $(objutil)/%.o: $(objutil)/%.c
 185         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 186         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 187
 188 $(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 189         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 190         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 191
 192 #######################################################################
 193 # Clean up rules
 194 clean-abuild:
 195         rm -rf coreboot-builds
 196
 197 clean-for-update-target:
 198         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 199         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 200         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 201         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 202         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 203         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 204         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 205         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 206         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean
 207
 208 clean-target:
 209         rm -f $(obj)/coreboot*
 210
 211 #######################################################################
 212 # Development utilities
 213 printcrt0s:
 214         @echo crt0s=$(crt0s)
 215         @echo ldscripts=$(ldscripts)
 216
 217 update:
 218         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 219
 220 lint:
 221         FAILED=0; LINTLOG=`mktemp`; \
 222         for script in util/lint/lint-*; do \
 223                 echo; echo `basename $$script`; \
 224                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 225                 echo ========; \
 226                 $$script > $$LINTLOG; \
 227                 if [ `wc -l $$LINTLOG | cut -d' ' -f1` -eq 0 ]; then \
 228                         printf "success\n\n"; \
 229                 else \
 230                         echo test failed: ; \
 231                         cat $$LINTLOG; \
 232                         rm -f $$LINTLOG; \
 233                         FAILED=$$(( $$FAILED + 1 )); \
 234                 fi; \
 235                 echo ========; \
 236         done; \
 237         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 238         rm -f $$LINTLOG
 239
 240 gitconfig:
 241         if ! [ -x .git/hooks/commit-msg ]; then cp util/gitconfig/commit-msg .git/hooks/commit-msg; chmod +x .git/hooks/commit-msg; fi
 242         (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)
 243
 244 crossgcc: clean-for-update
 245         $(MAKE) -C util/crossgcc build-without-gdb
 246
 247 crosstools: clean-for-update
 248         $(MAKE) -C util/crossgcc build
 249
 250 crossgcc-clean: clean-for-update
 251         $(MAKE) -C util/crossgcc clean
 252