Makefile

   1 ##
   2 ## This file is part of the coreboot project.
   3 ##
   4 ## Copyright (C) 2008 Advanced Micro Devices, Inc.
   5 ## Copyright (C) 2008 Uwe Hermann <uwe@hermann-uwe.de>
   6 ## Copyright (C) 2009-2010 coresystems GmbH
   7 ##
   8 ## This program is free software; you can redistribute it and/or modify
   9 ## it under the terms of the GNU General Public License as published by
  10 ## the Free Software Foundation; version 2 of the License.
  11 ##
  12 ## This program is distributed in the hope that it will be useful,
  13 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 ## GNU General Public License for more details.
  16 ##
  17 ## You should have received a copy of the GNU General Public License
  18 ## along with this program; if not, write to the Free Software
  19 ## Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  20 ##
  21
  22 ifeq ($(INNER_SCANBUILD),y)
  23 CC_real:=$(CC)
  24 endif
  25
  26 $(if $(wildcard .xcompile),,$(eval $(shell bash util/xcompile/xcompile > .xcompile)))
  27 include .xcompile
  28
  29 ifeq ($(INNER_SCANBUILD),y)
  30 CC:=$(CC_real)
  31 HOSTCC:=$(CC_real) --hostcc
  32 HOSTCXX:=$(CC_real) --hostcxx
  33 endif
  34
  35 export top := $(CURDIR)
  36 export src := src
  37 export srck := $(top)/util/kconfig
  38 export obj ?= build
  39 export objutil ?= $(obj)/util
  40 export objk := $(objutil)/kconfig
  41
  42
  43 export KERNELVERSION      := 4.0
  44 export KCONFIG_AUTOHEADER := $(obj)/config.h
  45 export KCONFIG_AUTOCONFIG := $(obj)/auto.conf
  46
  47 CONFIG_SHELL := sh
  48 KBUILD_DEFCONFIG := configs/defconfig
  49 UNAME_RELEASE := $(shell uname -r)
  50 DOTCONFIG ?= .config
  51 KCONFIG_CONFIG = $(DOTCONFIG)
  52 export KCONFIG_CONFIG
  53 HAVE_DOTCONFIG := $(wildcard $(DOTCONFIG))
  54 MAKEFLAGS += -rR --no-print-directory
  55
  56 # Make is silent per default, but 'make V=1' will show all compiler calls.
  57 Q:=@
  58 ifneq ($(V),1)
  59 ifneq ($(Q),)
  60 .SILENT:
  61 endif
  62 endif
  63
  64 CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
  65 ROMCC:= $(objutil)/romcc/romcc
  66 HOSTCC = gcc
  67 HOSTCXX = g++
  68 HOSTCFLAGS := -I$(srck) -I$(objk) -g
  69 HOSTCXXFLAGS := -I$(srck) -I$(objk)
  70 LIBGCC_FILE_NAME := $(shell test -r `$(CC) -print-libgcc-file-name` && $(CC) -print-libgcc-file-name)
  71
  72 DOXYGEN := doxygen
  73 DOXYGEN_OUTPUT_DIR := doxygen
  74
  75 # Three cases where we don't need fully populated $(obj) lists:
  76 # 1. when no .config exists
  77 # 2. when make config (in any flavour) is run
  78 # 3. when make distclean is run
  79 # Don't waste time on reading all Makefile.incs in these cases
  80 ifeq ($(strip $(HAVE_DOTCONFIG)),)
  81 NOCOMPILE:=1
  82 endif
  83 ifneq ($(MAKECMDGOALS),)
  84 ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
  85 NOCOMPILE:=1
  86 endif
  87 endif
  88
  89 ifeq ($(NOCOMPILE),1)
  90 all: config
  91
  92 else
  93
  94 include $(HAVE_DOTCONFIG)
  95
  96 ifneq ($(INNER_SCANBUILD),y)
  97 ifeq ($(CONFIG_COMPILER_LLVM_CLANG),y)
  98 CC:=clang -m32
  99 HOSTCC:=clang
 100 endif
 101 endif
 102
 103 ifeq ($(CONFIG_CCACHE),y)
 104 CCACHE:=$(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))
 105 ifeq ($(CCACHE),)
 106 $(error ccache selected, but not found in PATH)
 107 endif
 108 CCACHE:=CCACHE_COMPILERCHECK=content CCACHE_BASEDIR=$(top) $(CCACHE)
 109 CC := $(CCACHE) $(CC)
 110 HOSTCC := $(CCACHE) $(HOSTCC)
 111 HOSTCXX := $(CCACHE) $(HOSTCXX)
 112 ROMCC := $(CCACHE) $(ROMCC)
 113 endif
 114
 115 strip_quotes = $(subst ",,$(subst \",,$(1)))
 116
 117 ARCHDIR-$(CONFIG_ARCH_X86)    := x86
 118 ARCHDIR-$(CONFIG_ARCH_POWERPC) := ppc
 119
 120 MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
 121 export MAINBOARDDIR
 122
 123 PLATFORM-y += src/arch/$(ARCHDIR-y) src/cpu src/mainboard/$(MAINBOARDDIR)
 124 TARGETS-y :=
 125
 126 BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers
 127 BUILD-y += util/cbfstool util/sconfig
 128 BUILD-$(CONFIG_ARCH_X86) += src/pc80
 129 BUILD-y += src/vendorcode
 130
 131 ifneq ($(CONFIG_LOCALVERSION),"")
 132 COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
 133 endif
 134
 135 # The primary target needs to be here before we include the
 136 # other files
 137
 138 ifeq ($(INNER_SCANBUILD),y)
 139 CONFIG_SCANBUILD_ENABLE:=
 140 endif
 141
 142 ifeq ($(CONFIG_SCANBUILD_ENABLE),y)
 143 ifneq ($(CONFIG_SCANBUILD_REPORT_LOCATION),)
 144 CONFIG_SCANBUILD_REPORT_LOCATION:=-o $(CONFIG_SCANBUILD_REPORT_LOCATION)
 145 endif
 146 all:
 147         echo '#!/bin/sh' > .ccwrap
 148         echo 'CC="$(CC)"' >> .ccwrap
 149         echo 'if [ "$$1" = "--hostcc" ]; then shift; CC="$(HOSTCC)"; fi' >> .ccwrap
 150         echo 'if [ "$$1" = "--hostcxx" ]; then shift; CC="$(HOSTCXX)"; fi' >> .ccwrap
 151         echo 'eval $$CC $$*' >> .ccwrap
 152         chmod +x .ccwrap
 153         scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
 154 else
 155 all: $(obj)/config.h coreboot
 156 endif
 157
 158 # must come rather early
 159 .SECONDEXPANSION:
 160
 161 $(obj)/config.h:
 162         $(MAKE) oldconfig
 163
 164 #######################################################################
 165 # Build the tools
 166
 167 CBFSTOOL:=$(objutil)/cbfstool/cbfstool
 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
 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
 181         @printf "    CC         $(subst $(obj)/,,$(@))\n"
 182         $(CC) -MMD $(CFLAGS) -c -o $@ $<
 183
 184 ramstage-srcs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.c
 185 romstage-srcs:=
 186 driver-srcs:=
 187 smm-srcs:=
 188 cbfs-files:=
 189
 190 ramstage-objs:=
 191 romstage-objs:=
 192 driver-objs:=
 193 smm-objs:=
 194 types:=ramstage romstage driver smm
 195
 196 # Clean -y variables, include Makefile.inc
 197 # Add paths to files in X-y to X-srcs
 198 # Add subdirs-y to subdirs
 199 includemakefiles= \
 200         $(foreach type,$(2), $(eval $(type)-y:=)) \
 201         $(eval subdirs-y:=) \
 202         $(eval cbfs-files-y:=) \
 203         $(eval -include $(1)) \
 204         $(foreach type,$(2), \
 205                 $(eval $(type)-srcs+= \
 206                         $$(subst $(top)/,, \
 207                         $$(abspath $$(addprefix $(dir $(1)),$$($(type)-y)))))) \
 208         $(foreach file,$(cbfs-files-y), \
 209                 $(if $(wildcard $(dir $(1))$(file)), \
 210                         $(eval tmp-cbfs-file:= $(wildcard $(dir $(1))$(file))), \
 211                         $(eval tmp-cbfs-file:= $(file))) \
 212                 $(eval cbfs-files += $(tmp-cbfs-file)|$$($(file)-name)|$$($(file)-type)|$$($(file)-position)) \
 213                 $(eval $(file)-name:=) \
 214                 $(eval $(file)-type:=) \
 215                 $(eval $(file)-position:=)) \
 216         $(eval subdirs+=$$(subst $(CURDIR)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
 217
 218 # For each path in $(subdirs) call includemakefiles
 219 # Repeat until subdirs is empty
 220 evaluate_subdirs= \
 221         $(eval cursubdirs:=$(subdirs)) \
 222         $(eval subdirs:=) \
 223         $(foreach dir,$(cursubdirs), \
 224                 $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types)))) \
 225         $(if $(subdirs),$(eval $(call evaluate_subdirs)))
 226
 227 # collect all object files eligible for building
 228 subdirs:=$(PLATFORM-y) $(BUILD-y)
 229 $(eval $(call evaluate_subdirs))
 230
 231 src-to-obj=$(addsuffix .$(1).o, $(basename $(patsubst src/%, $(obj)/%, $($(1)-srcs))))
 232
 233 ramstage-objs:=$(call src-to-obj,ramstage)
 234 romstage-objs:=$(call src-to-obj,romstage)
 235 driver-objs:=$(call src-to-obj,driver)
 236 smm-objs:=$(call src-to-obj,smm)
 237
 238 allsrcs:=$(foreach var, $(addsuffix -srcs,$(types)), $($(var)))
 239 allobjs:=$(foreach var, $(addsuffix -objs,$(types)), $($(var)))
 240 alldirs:=$(sort $(abspath $(dir $(allobjs))))
 241
 242 define ramstage-objs_asl_template
 243 $(obj)/$(1).ramstage.o: src/$(1).asl
 244         @printf "    IASL       $$(subst $(top)/,,$$(@))\n"
 245         $(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
 246         iasl -p $$(obj)/$(1) -tc $$(basename $$@).asl
 247         mv $$(obj)/$(1).hex $$(basename $$@).c
 248         $(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $(1)))), -DAmlCode=AmlCode_$$(basename $$(notdir $(1)))) -c -o $$@ $$(basename $$@).c
 249         # keep %.o: %.c rule from catching the temporary .c file after a make clean
 250         mv $$(basename $$@).c $$(basename $$@).hex
 251 endef
 252
 253 # macro to define template macros that are used by use_template macro
 254 define create_cc_template
 255 # $1 obj class (ramstage, romstage, driver, smm)
 256 # $2 source suffix (c, S)
 257 # $3 additional compiler flags
 258 de$(EMPTY)fine $(1)-objs_$(2)_template
 259 $(obj)/$$(1).$(1).o: src/$$(1).$(2) $(obj)/config.h
 260         @printf "    CC         $$$$(subst $$$$(obj)/,,$$$$(@))\n"
 261         $(CC) $(3) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
 262 en$(EMPTY)def
 263 endef
 264
 265 $(eval $(call create_cc_template,ramstage,c))
 266 $(eval $(call create_cc_template,ramstage,S,-DASSEMBLY))
 267 $(eval $(call create_cc_template,romstage,c,-D__PRE_RAM__))
 268 $(eval $(call create_cc_template,romstage,S,-DASSEMBLY -D__PRE_RAM__))
 269 $(eval $(call create_cc_template,driver,c))
 270 $(eval $(call create_cc_template,driver,S,-DASSEMBLY))
 271 $(eval $(call create_cc_template,smm,c))
 272 $(eval $(call create_cc_template,smm,S))
 273
 274 foreach-src=$(foreach file,$($(1)-srcs),$(eval $(call $(1)-objs_$(subst .,,$(suffix $(file)))_template,$(subst src/,,$(basename $(file))))))
 275 $(eval $(foreach type,$(types),$(call foreach-src,$(type))))
 276
 277 DEPENDENCIES = $(ramstage-objs:.o=.d) $(romstage-objs:.o=.d) $(driver-objs:.o=.d) $(smm-objs:.o=.d)
 278 -include $(DEPENDENCIES)
 279
 280 printall:
 281         @echo ramstage-objs:=$(ramstage-objs)
 282         @echo romstage-objs:=$(romstage-objs)
 283         @echo driver-objs:=$(driver-objs)
 284         @echo smm-objs:=$(smm-objs)
 285         @echo alldirs:=$(alldirs)
 286         @echo allsrcs=$(allsrcs)
 287         @echo DEPENDENCIES=$(DEPENDENCIES)
 288         @echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
 289         @echo cbfs-files:='$(cbfs-files)'
 290
 291 printcrt0s:
 292         @echo crt0s=$(crt0s)
 293         @echo ldscripts=$(ldscripts)
 294
 295 OBJS     := $(patsubst %,$(obj)/%,$(TARGETS-y))
 296 INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
 297 INCLUDES += -Isrc/devices/oprom/include
 298 # abspath is a workaround for romcc
 299 INCLUDES += -include $(abspath $(obj)/config.h)
 300
 301 CFLAGS = $(INCLUDES) -Os -nostdinc -pipe -g
 302 CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
 303 CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
 304 CFLAGS += -Wstrict-aliasing -Wshadow
 305 ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
 306 CFLAGS += -Werror
 307 endif
 308 CFLAGS += -fno-common -ffreestanding -fno-builtin -fomit-frame-pointer
 309
 310 CBFS_COMPRESS_FLAG:=l
 311 CBFS_PAYLOAD_COMPRESS_FLAG:=
 312 CBFS_PAYLOAD_COMPRESS_NAME:=none
 313 ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
 314 CBFS_PAYLOAD_COMPRESS_FLAG:=l
 315 CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
 316 endif
 317
 318 coreboot: $(obj)/coreboot.rom
 319
 320 endif
 321
 322 $(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs))
 323
 324 $(obj)/build.h: .xcompile
 325         @printf "    GEN        build.h\n"
 326         rm -f $(obj)/build.h
 327         printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
 328         printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
 329         printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
 330         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
 331         printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
 332         printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
 333         printf "\n" >> $(obj)/build.ht
 334         printf "#define COREBOOT_COMPILER \"$(shell LANG= $(CC) --version | head -n1)\"\n" >> $(obj)/build.ht
 335         printf "#define COREBOOT_ASSEMBLER \"$(shell LANG= $(AS) --version | head -n1)\"\n" >> $(obj)/build.ht
 336         printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
 337         printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
 338         printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
 339         printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
 340         printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
 341         printf "#endif\n" >> $(obj)/build.ht
 342         mv $(obj)/build.ht $(obj)/build.h
 343
 344 cscope:
 345         cscope -bR
 346
 347 doxy: doxygen
 348 doxygen:
 349         $(DOXYGEN) documentation/Doxyfile.coreboot
 350
 351 doxyclean: doxygen-clean
 352 doxygen-clean:
 353         rm -rf $(DOXYGEN_OUTPUT_DIR)
 354
 355 clean-for-update: doxygen-clean
 356         rm -f $(ramstage-objs) $(romstage-objs) $(driver-objs) $(smm-objs) .xcompile
 357         rm -f $(DEPENDENCIES)
 358         rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
 359         rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
 360         rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
 361         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
 362         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
 363         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
 364         rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
 365         rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
 366         rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
 367         $(MAKE) -C payloads/external/SeaBIOS -f Makefile.inc clean
 368
 369 clean: clean-for-update
 370         rm -f $(obj)/coreboot* .ccwrap
 371
 372 clean-abuild:
 373         rm -rf coreboot-builds
 374
 375 clean-cscope:
 376         rm -f cscope.out
 377
 378 distclean: clean-cscope
 379         rm -rf $(obj)
 380         rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
 381
 382 update:
 383         dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
 384
 385 lint:
 386         FAILED=0; LINTLOG=`mktemp`; \
 387         for script in util/lint/lint-*; do \
 388                 echo; echo `basename $$script`; \
 389                 grep "^# DESCR:" $$script | sed "s,.*DESCR: *,," ; \
 390                 echo ========; \
 391                 $$script > $$LINTLOG; \
 392                 if [ `wc -l $$LINTLOG | cut -d' ' -f1` -eq 0 ]; then \
 393                         printf "success\n\n"; \
 394                 else \
 395                         echo test failed: ; \
 396                         cat $$LINTLOG; \
 397                         rm -f $$LINTLOG; \
 398                         FAILED=$$(( $$FAILED + 1 )); \
 399                 fi; \
 400                 echo ========; \
 401         done; \
 402         test $$FAILED -eq 0 || { echo "ERROR: $$FAILED test(s) failed." &&  exit 1; }; \
 403         rm -f $$LINTLOG
 404
 405 # This include must come _before_ the pattern rules below!
 406 # Order _does_ matter for pattern rules.
 407 include util/kconfig/Makefile
 408
 409 $(obj)/ldoptions: $(obj)/config.h
 410         awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
 411
 412 _WINCHECK=$(shell uname -o 2> /dev/null)
 413 STACK=
 414 ifeq ($(_WINCHECK),Msys)
 415         STACK=-Wl,--stack,16384000
 416 endif
 417 ifeq ($(_WINCHECK),Cygwin)
 418         STACK=-Wl,--stack,16384000
 419 endif
 420
 421 $(objutil)/romcc/romcc: $(top)/util/romcc/romcc.c
 422         @printf "    HOSTCC     $(subst $(obj)/,,$(@)) (this may take a while)\n"
 423         @# Note: Adding -O2 here might cause problems. For details see:
 424         @# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
 425         $(HOSTCC) -g $(STACK) -Wall -o $@ $<
 426
 427 .PHONY: $(PHONY) clean clean-abuild clean-cscope cscope distclean doxygen doxy coreboot .xcompile
 428