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 22REV=-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) 23export KERNELVERSION := 4.0$(REV) 24 25####################################################################### 26# Basic component discovery 27ARCHDIR-$(CONFIG_ARCH_X86) := x86 28MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR)) 29export MAINBOARDDIR 30 31####################################################################### 32# root rule to resolve if in build mode (ie. configuration exists) 33real-target: $(obj)/config.h coreboot 34coreboot: $(obj)/coreboot.rom 35 36####################################################################### 37# our phony targets 38PHONY+= clean-abuild coreboot 39 40####################################################################### 41# root source directories of coreboot 42subdirs-y := src/lib src/boot src/console src/devices src/ec src/southbridge src/northbridge src/superio src/drivers src/cpu 43subdirs-y += util/cbfstool util/sconfig 44subdirs-y += src/arch/$(ARCHDIR-y) 45subdirs-y += src/mainboard/$(MAINBOARDDIR) 46 47subdirs-$(CONFIG_ARCH_X86) += src/pc80 48 49####################################################################### 50# Add source classes and their build options 51classes-y := ramstage romstage driver smm 52 53romstage-c-ccopts:=-D__PRE_RAM__ 54romstage-S-ccopts:=-D__PRE_RAM__ 55smm-c-ccopts:=-D__SMM__ 56smm-S-ccopts:=-D__SMM__ 57 58ramstage-c-deps:=$$(OPTION_TABLE_H) 59romstage-c-deps:=$$(OPTION_TABLE_H) 60 61####################################################################### 62# Add handler to compile ACPI's ASL 63define 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 cd $$(dir $$@); iasl -p $$(notdir $$@) -tc $$(notdir $$(basename $$@)).asl 68 mv $$(basename $$@).hex $$(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 72endef 73 74####################################################################### 75# Add handler for arbitrary files in CBFS 76$(call add-special-class,cbfs-files) 77cbfs-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 88CBFS_COMPRESS_FLAG:= 89ifeq ($(CONFIG_COMPRESS_RAMSTAGE),y) 90CBFS_COMPRESS_FLAG:=l 91endif 92 93CBFS_PAYLOAD_COMPRESS_FLAG:= 94CBFS_PAYLOAD_COMPRESS_NAME:=none 95ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y) 96CBFS_PAYLOAD_COMPRESS_FLAG:=l 97CBFS_PAYLOAD_COMPRESS_NAME:=LZMA 98endif 99 100ifneq ($(CONFIG_LOCALVERSION),"") 101COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION)) 102endif 103 104INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include 105INCLUDES += -Isrc/devices/oprom/include 106# abspath is a workaround for romcc 107INCLUDES += -include $(abspath $(obj)/config.h) 108 109CFLAGS = $(INCLUDES) -Os -pipe -g -nostdinc 110CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes 111CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs 112CFLAGS += -Wstrict-aliasing -Wshadow 113ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y) 114CFLAGS += -Werror 115endif 116CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer 117 118additional-dirs := $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options 119 120####################################################################### 121# generate build support files 122$(obj)/build.h: .xcompile 123 @printf " GEN build.h\n" 124 rm -f $(obj)/build.h 125 printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht 126 printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht 127 printf "#define __BUILD_H\n\n" >> $(obj)/build.ht 128 printf "#define COREBOOT_VERSION \"$(KERNELVERSION)\"\n" >> $(obj)/build.ht 129 printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht 130 printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht 131 printf "\n" >> $(obj)/build.ht 132 printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht 133 printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht 134 printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht 135 printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht 136 printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht 137 printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht 138 printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht 139 printf "#endif\n" >> $(obj)/build.ht 140 mv $(obj)/build.ht $(obj)/build.h 141 142$(obj)/ldoptions: $(obj)/config.h 143 awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@ 144 145####################################################################### 146# Build the tools 147CBFSTOOL:=$(obj)/cbfstool 148 149$(CBFSTOOL): $(objutil)/cbfstool/cbfstool 150 cp $< $@ 151 152_WINCHECK=$(shell uname -o 2> /dev/null) 153STACK= 154ifeq ($(_WINCHECK),Msys) 155 STACK=-Wl,--stack,16384000 156endif 157ifeq ($(_WINCHECK),Cygwin) 158 STACK=-Wl,--stack,16384000 159endif 160 161ROMCC:= $(objutil)/romcc/romcc 162$(ROMCC): $(top)/util/romcc/romcc.c 163 @printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n" 164 @# Note: Adding -O2 here might cause problems. For details see: 165 @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html 166 $(HOSTCC) -g $(STACK) -Wall -o $@ $< 167 168####################################################################### 169# needed objects that every mainboard uses 170# Creation of these is architecture and mainboard independent 171$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig 172 @printf " SCONFIG $(subst $(src)/,,$(<))\n" 173 mkdir -p $(obj)/mainboard/$(MAINBOARDDIR) 174 $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR) 175 176ramstage-y+=$(obj)/mainboard/$(MAINBOARDDIR)/static.c 177 178$(objutil)/%.o: $(objutil)/%.c 179 @printf " HOSTCC $(subst $(objutil)/,,$(@))\n" 180 $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $< 181 182$(obj)/%.ramstage.o $(abspath $(obj))/%.ramstage.o: $(obj)/%.c $(obj)/config.h $(OPTION_TABLE_H) 183 @printf " CC $(subst $(obj)/,,$(@))\n" 184 $(CC) -MMD $(CFLAGS) -c -o $@ $< 185 186####################################################################### 187# Clean up rules 188clean-abuild: 189 rm -rf coreboot-builds 190 191clean-for-update-target: 192 rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a 193 rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.* 194 rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript 195 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot 196 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm 197 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc 198 rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.* 199 rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm 200 $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean 201 202clean-target: 203 rm -f $(obj)/coreboot* 204 205####################################################################### 206# Development utilities 207printcrt0s: 208 @echo crt0s=$(crt0s) 209 @echo ldscripts=$(ldscripts) 210 211update: 212 dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF 213 214lint: 215 FAILED=0; LINTLOG=`mktemp`; \ 216 for script in util/lint/lint-*; do \ 217 echo; echo `basename $$script`; \ 218 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \ 219 echo ========; \ 220 $$script > $$LINTLOG; \ 221 if [ `wc -l $$LINTLOG | cut -d' ' -f1` -eq 0 ]; then \ 222 printf "success\n\n"; \ 223 else \ 224 echo test failed: ; \ 225 cat $$LINTLOG; \ 226 rm -f $$LINTLOG; \ 227 FAILED=$$(( $$FAILED + 1 )); \ 228 fi; \ 229 echo ========; \ 230 done; \ 231 test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." && exit 1; }; \ 232 rm -f $$LINTLOG 233 234crossgcc: clean-for-update 235 $(MAKE) -C util/crossgcc build 236 237crossgcc-clean: clean-for-update 238 $(MAKE) -C util/crossgcc clean 239 240