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 REV=-r$(shell if [ -d $(top)/.svn -a -f "`which svnversion`" ]; then svnversion $(top); else if [ -d $(top)/.git -a -f "`which git`" ]; then git --git-dir=/$(top)/.git log|grep git-svn-id|cut -f 2 -d@|cut -f 1 -d' '|sort -g|tail -1; fi; fi)
  23 export KERNELVERSION      := 4.0$(REV)
  24
  25 #######################################################################
  26 # Basic component discovery
  27 ARCHDIR-$(CONFIG_ARCH_X86) := x86
  28 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
  29 export MAINBOARDDIR
  30
  31 #######################################################################
  32 # root rule to resolve if in build mode (ie. configuration exists)
  33 real-target: $(obj)/config.h coreboot
  34 coreboot: $(obj)/coreboot.rom
  35
  36 #######################################################################
  37 # our phony targets
  38 PHONY+= clean-abuild coreboot
  39
  40 #######################################################################
  41 # root source directories of coreboot
  42 subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge src/northbridge src/superio src/drivers src/cpu
  43 subdirs-y += util/cbfstool util/sconfig
  44 subdirs-y += src/arch/$(ARCHDIR-y)
  45 subdirs-y += src/mainboard/$(MAINBOARDDIR)
  46
  47 subdirs-$(CONFIG_ARCH_X86) += src/pc80
  48
  49 #######################################################################
  50 # Add source classes and their build options
  51 classes-y := ramstage romstage driver smm
  52
  53 romstage-c-ccopts:=-D__PRE_RAM__
  54 romstage-S-ccopts:=-D__PRE_RAM__
  55 smm-c-ccopts:=-D__SMM__
  56 smm-S-ccopts:=-D__SMM__
  57
  58 ramstage-c-deps:=$$(OPTION_TABLE_H)
  59 romstage-c-deps:=$$(OPTION_TABLE_H)
  60
  61 #######################################################################
  62 # Add handler to compile ACPI's ASL
  63 define ramstage-objs_asl_template
  64 $(obj)/$(1).ramstage.o: src/$(1).asl $(obj)/config.h
  65         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
  66         $(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
  67         iasl -p $$(obj)/$(1) -tc $$(basename $$@).asl
  68         mv $$(obj)/$(1).hex $$(basename $$@).c
  69         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
  70         # keep %.o: %.c rule from catching the temporary .c file after a make clean
  71         mv $$(basename $$@).c $$(basename $$@).hex
  72 endef
  73
  74 #######################################################################
  75 # Add handler for arbitrary files in CBFS
  76 $(call add-special-class,cbfs-files)
  77 cbfs-files-handler= \
  78                 $(if $(wildcard $(1)$($(2)-file)), \
  79                         $(eval tmp-cbfs-file:= $(wildcard $(1)$($(2)-file))), \
  80                         $(eval tmp-cbfs-file:= $($(2)-file))) \
  81                 $(eval cbfs-files += $(tmp-cbfs-file)|$(2)|$($(2)-type)|$($(2)-position)) \
  82                 $(eval $(2)-name:=) \
  83                 $(eval $(2)-type:=) \
  84                 $(eval $(2)-position:=)
  85
  86 #######################################################################
  87 # a variety of flags for our build
  88 CBFS_COMPRESS_FLAG:=
  89 ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y)
  90 CBFS_COMPRESS_FLAG:=l
  91 endif
  92
  93 CBFS_PAYLOAD_COMPRESS_FLAG:=
  94 CBFS_PAYLOAD_COMPRESS_NAME:=none
  95 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
  96 CBFS_PAYLOAD_COMPRESS_FLAG:=l
  97 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
  98 endif
  99
 100 ifneq ($(CONFIG_LOCALVERSION),"")
 101 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 102 endif
 103
 104 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 105 INCLUDES += -Isrc/devices/oprom/include
 106 # abspath is a workaround for romcc
 107 INCLUDES += -include $(abspath $(obj)/config.h)
 108
 109 CFLAGS = $(INCLUDES) -Os -pipe -g
 110 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 111 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 112 CFLAGS += -Wstrict-aliasing -Wshadow
 113 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 114 CFLAGS += -Werror
 115 endif
 116 ifneq ($(CONFIG_AMD_AGESA),y)
 117 CFLAGS += -nostdinc
 118 endif
 119 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 120
 121 additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options
 122
 123 #######################################################################
 124 # generate build support files
 125 $(obj)/build.h: .xcompile
 126         @printf "    GEN        build.h\n"
 127         rm -f $(obj)/build.h
 128         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 129         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 130         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 131         printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht
 132         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 133         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 134         printf "\n" >> $(obj)/build.ht
 135         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 136         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 137         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 138         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 139         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 140         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
 141         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 142         printf "#endif\n" >> $(obj)/build.ht
 143         mv $(obj)/build.ht $(obj)/build.h
 144
 145 $(obj)/ldoptions: $(obj)/config.h
 146         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 147
 148 #######################################################################
 149 # Build the tools
 150 CBFSTOOL:=$(obj)/cbfstool
 151
 152 $(CBFSTOOL): $(objutil)/cbfstool/cbfstool
 153         cp $< $@
 154
 155 _WINCHECK=$(shell uname -o 2> /dev/null)
 156 STACK=
 157 ifeq ($(_WINCHECK),Msys)
 158         STACK=-Wl,--stack,16384000
 159 endif
 160 ifeq ($(_WINCHECK),Cygwin)
 161         STACK=-Wl,--stack,16384000
 162 endif
 163
 164 ROMCC:= $(objutil)/romcc/romcc
 165 $(ROMCC): $(top)/util/romcc/romcc.c
 166         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 167         @# Note: Adding -O2 here might cause problems. For details see:
 168         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 169         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 170
 171 #######################################################################
 172 # needed objects that every mainboard uses
 173 # Creation of these is architecture and mainboard independent
 174 $(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb  $(objutil)/sconfig/sconfig
 175         @printf "    SCONFIG    $(subst $(src)/,,$(<))\n"
 176         mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
 177         $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
 178
 179 ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 180
 181 $(objutil)/%.o: $(objutil)/%.c
 182         @printf "    HOSTCC     $(subst $(objutil)/,,$(@))\n"
 183         $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
 184
 185 $(obj)/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H)
 186         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 187         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 188
 189 #######################################################################
 190 # Clean up rules
 191 clean-abuild:
 192         rm -rf coreboot-builds
 193
 194 clean-for-update-target:
 195         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 196         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 197         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 198         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 199         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 200         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 201         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 202         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 203         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean
 204
 205 clean-target:
 206         rm -f $(obj)/coreboot*
 207
 208 #######################################################################
 209 # Development utilities
 210 printcrt0s:
 211         @echo crt0s=$(crt0s)
 212         @echo ldscripts=$(ldscripts)
 213
 214 update:
 215         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 216
 217 lint:
 218         FAILED=0; LINTLOG=`mktemp`; \
 219         for script in util/lint/lint-*; do \
 220                 echo; echo `basename $$script`; \
 221                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 222                 echo ========; \
 223                 $$script > $$LINTLOG; \
 224                 if [ `wc -l $$LINTLOG | cut -d' ' -f1` -eq 0 ]; then \
 225                         printf "success\n\n"; \
 226                 else \
 227                         echo test failed: ; \
 228                         cat $$LINTLOG; \
 229                         rm -f $$LINTLOG; \
 230                         FAILED=$$(( $$FAILED + 1 )); \
 231                 fi; \
 232                 echo ========; \
 233         done; \
 234         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 235         rm -f $$LINTLOG