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