endif
export top := $(PWD)
-export src := $(top)/src
+export src := src
export srck := $(top)/util/kconfig
-export obj ?= $(top)/build
-export objk := $(obj)/util/kconfig
-export sconfig := $(top)/util/sconfig
-export yapps2_py := $(sconfig)/yapps2.py
-export config_g := $(sconfig)/config.g
+export obj ?= build
+export objutil ?= $(obj)/util
+export objk := $(objutil)/kconfig
export KERNELVERSION := 4.0
endif
CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
+ROMCC:= $(objutil)/romcc/romcc
HOSTCC = gcc
HOSTCXX = g++
HOSTCFLAGS := -I$(srck) -I$(objk) -g
DOXYGEN := doxygen
DOXYGEN_OUTPUT_DIR := doxygen
+# Three cases where we don't need fully populated $(obj) lists:
+# 1. when no .config exists
+# 2. when make config (in any flavour) is run
+# 3. when make distclean is run
+# Don't waste time on reading all Makefile.incs in these cases
ifeq ($(strip $(HAVE_DOTCONFIG)),)
+NOCOMPILE:=1
+endif
+ifneq ($(MAKECMDGOALS),)
+ifneq ($(filter %config distclean,$(MAKECMDGOALS)),)
+NOCOMPILE:=1
+endif
+endif
+ifeq ($(NOCOMPILE),1)
all: config
else
endif
endif
+ifeq ($(CONFIG_CCACHE),y)
+CCACHE:=CCACHE_COMPILERCHECK=content $(wildcard $(addsuffix /ccache,$(subst :, ,$(PATH))))
+ifeq ($(CCACHE),)
+$(error ccache selected, but not found in PATH)
+endif
+CC := $(CCACHE) $(CC)
+HOSTCC := $(CCACHE) $(HOSTCC)
+HOSTCXX := $(CCACHE) $(HOSTCXX)
+ROMCC := $(CCACHE) $(ROMCC)
+endif
+
+strip_quotes = $(subst ",,$(subst \",,$(1)))
+
ARCHDIR-$(CONFIG_ARCH_X86) := i386
ARCHDIR-$(CONFIG_ARCH_POWERPC) := ppc
-MAINBOARDDIR=$(subst ",,$(CONFIG_MAINBOARD_DIR))
+MAINBOARDDIR=$(call strip_quotes,$(CONFIG_MAINBOARD_DIR))
export MAINBOARDDIR
PLATFORM-y += src/arch/$(ARCHDIR-y) src/cpu src/mainboard/$(MAINBOARDDIR)
TARGETS-y :=
-BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers util/x86emu
-BUILD-y += util/cbfstool
+BUILD-y := src/lib src/boot src/console src/devices src/southbridge src/northbridge src/superio src/drivers
+BUILD-y += util/cbfstool util/sconfig
BUILD-$(CONFIG_ARCH_X86) += src/pc80
ifneq ($(CONFIG_LOCALVERSION),"")
-COREBOOT_EXTRA_VERSION := -$(subst ",,$(CONFIG_LOCALVERSION))
+COREBOOT_EXTRA_VERSION := -$(call strip_quotes,$(CONFIG_LOCALVERSION))
endif
# The primary target needs to be here before we include the
chmod +x .ccwrap
scan-build $(CONFIG_SCANBUILD_REPORT_LOCATION) -analyze-headers --use-cc=$(top)/.ccwrap --use-c++=$(top)/.ccwrap $(MAKE) INNER_SCANBUILD=y
else
-all: coreboot
+all: $(obj)/config.h coreboot
endif
+# must come rather early
+.SECONDEXPANSION:
+
+$(obj)/config.h:
+ $(MAKE) oldconfig
#######################################################################
# Build the tools
-CBFSTOOL:=$(obj)/util/cbfstool/cbfstool
-
-$(obj)/mainboard/$(MAINBOARDDIR)/config.py: $(yapps2_py) $(config_g)
- mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
- python $(yapps2_py) $(config_g) $(obj)/mainboard/$(MAINBOARDDIR)/config.py
-
+CBFSTOOL:=$(objutil)/cbfstool/cbfstool
-# needed objects that every mainboard uses
+# needed objects that every mainboard uses
# Creation of these is architecture and mainboard independent
-$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(obj)/mainboard/$(MAINBOARDDIR)/config.py
+$(obj)/mainboard/$(MAINBOARDDIR)/static.c: $(src)/mainboard/$(MAINBOARDDIR)/devicetree.cb $(objutil)/sconfig/sconfig
+ @printf " SCONFIG $(subst $(src)/,,$(<))\n"
mkdir -p $(obj)/mainboard/$(MAINBOARDDIR)
- (cd $(obj)/mainboard/$(MAINBOARDDIR) ; PYTHONPATH=$(top)/util/sconfig export PYTHONPATH; python config.py $(MAINBOARDDIR) $(top) $(obj)/mainboard/$(MAINBOARDDIR))
+ $(objutil)/sconfig/sconfig $(MAINBOARDDIR) $(obj)/mainboard/$(MAINBOARDDIR)
-$(obj)/mainboard/$(MAINBOARDDIR)/static.o: $(obj)/mainboard/$(MAINBOARDDIR)/static.c
- @printf " CC $(subst $(obj)/,,$(@))\n"
- $(CC) $(CFLAGS) -c -o $@ $<
+$(objutil)/%.o: $(objutil)/%.c
+ @printf " HOSTCC $(subst $(objutil)/,,$(@))\n"
+ $(HOSTCC) -MMD -I$(subst $(objutil)/,util/,$(dir $<)) -I$(dir $<) $(HOSTCFLAGS) -c -o $@ $<
-$(obj)/arch/i386/../../option_table.o: $(obj)/arch/i386/../../option_table.c
+$(obj)/%.o: $(obj)/%.c $(obj)/config.h
@printf " CC $(subst $(obj)/,,$(@))\n"
- $(CC) $(CFLAGS) -c -o $@ $<
+ $(CC) -MMD $(CFLAGS) -c -o $@ $<
objs:=$(obj)/mainboard/$(MAINBOARDDIR)/static.o
initobjs:=
drivers:=
smmobjs:=
-crt0s:=
-ldscripts:=
types:=obj initobj driver smmobj
# Clean -y variables, include Makefile.inc
$(foreach type,$(2), $(eval $(type)-y:=)) \
$(eval subdirs-y:=) \
$(eval -include $(1)) \
- $(if $(strip $(3)), \
- $(foreach type,$(2), \
- $(eval $(type)s+= \
- $$(patsubst util/%, \
- $(obj)/util/%, \
- $$(patsubst src/%, \
- $(obj)/%, \
- $$(addprefix $(dir $(1)),$$($(type)-y))))))) \
+ $(foreach type,$(2), \
+ $(eval $(type)s+= \
+ $$(subst $(top)/,, \
+ $$(abspath $$(patsubst src/%, \
+ $(obj)/%, \
+ $$(addprefix $(dir $(1)),$$($(type)-y))))))) \
$(eval subdirs+=$$(subst $(PWD)/,,$$(abspath $$(addprefix $(dir $(1)),$$(subdirs-y)))))
# For each path in $(subdirs) call includemakefiles, passing $(1) as $(3)
$(eval cursubdirs:=$(subdirs)) \
$(eval subdirs:=) \
$(foreach dir,$(cursubdirs), \
- $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types),$(1)))) \
- $(if $(subdirs),$(eval $(call evaluate_subdirs, $(1))))
+ $(eval $(call includemakefiles,$(dir)/Makefile.inc,$(types)))) \
+ $(if $(subdirs),$(eval $(call evaluate_subdirs)))
# collect all object files eligible for building
subdirs:=$(PLATFORM-y) $(BUILD-y)
-$(eval $(call evaluate_subdirs, modify))
+$(eval $(call evaluate_subdirs))
initobjs:=$(addsuffix .initobj.o, $(basename $(initobjs)))
drivers:=$(addsuffix .driver.o, $(basename $(drivers)))
source_with_ext=$(patsubst $(obj)/%.o,src/%.$(1),$(allobjs))
allsrc=$(wildcard $(call source_with_ext,c) $(call source_with_ext,S))
-POST_EVALUATION:=y
-
-# fetch rules (protected in POST_EVALUATION) that rely on the variables filled above
-subdirs:=$(PLATFORM-y) $(BUILD-y)
-$(eval $(call evaluate_subdirs))
-
-
define objs_asl_template
$(obj)/$(1)%.o: src/$(1)%.asl
@printf " IASL $$(subst $(top)/,,$$(@))\n"
- $(CPP) -D__ACPI__ -P $(CPPFLAGS) -include $(obj)/config.h -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
+ $(CPP) -D__ACPI__ -P -include $(abspath $(obj)/config.h) -I$(src) -I$(src)/mainboard/$(MAINBOARDDIR) $$< -o $$(basename $$@).asl
iasl -p $$(basename $$@) -tc $$(basename $$@).asl
mv $$(basename $$@).hex $$(basename $$@).c
$(CC) $$(CFLAGS) $$(if $$(subst dsdt,,$$(basename $$(notdir $$@))), -DAmlCode=AmlCode_$$(basename $$(notdir $$@))) -c -o $$@ $$(basename $$@).c
+ # keep %.o: %.c rule from catching the temporary .c file after a make clean
+ mv $$(basename $$@).c $$(basename $$@).hex
endef
-define objs_c_template
-$(obj)/$(1)%.o: $(1)%.c $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
-
-$(obj)/$(1)%.o: src/$(1)%.c $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
+# macro to define template macros that are used by use_template macro
+define create_cc_template
+# $1 obj class (objs, initobjs, ...)
+# $2 source suffix (c, S)
+# $3 .o infix ("" ".initobj", ...)
+# $4 additional compiler flags
+de$(EMPTY)fine $(1)_$(2)_template
+$(obj)/$$(1)%$(3).o: src/$$(1)%.$(2) $(obj)/config.h
+ @printf " CC $$$$(subst $$$$(obj)/,,$$$$(@))\n"
+ $(CC) $(4) -MMD $$$$(CFLAGS) -c -o $$$$@ $$$$<
+en$(EMPTY)def
endef
-define objs_S_template
-$(obj)/$(1)%.o: $(1)%.S $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) -DASSEMBLY $$(CFLAGS) -c -o $$@ $$<
-
-$(obj)/$(1)%.o: src/$(1)%.S $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) -DASSEMBLY $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define initobjs_c_template
-$(obj)/$(1)%.initobj.o: src/$(1)%.c $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define initobjs_S_template
-$(obj)/$(1)%.initobj.o: src/$(1)%.S $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) -DASSEMBLY $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define drivers_c_template
-$(obj)/$(1)%.driver.o: src/$(1)%.c $(obj)/config.h
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define drivers_S_template
-$(obj)/$(1)%.driver.o: src/$(1)%.S
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) -DASSEMBLY $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define smmobjs_c_template
-$(obj)/$(1)%.smmobj.o: src/$(1)%.c
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
-endef
-
-define smmobjs_S_template
-$(obj)/$(1)%.smmobj.o: src/$(1)%.S
- @printf " CC $$(subst $$(obj)/,,$$(@))\n"
- $(CC) $$(CFLAGS) -c -o $$@ $$<
-endef
+$(eval $(call create_cc_template,objs,c))
+$(eval $(call create_cc_template,objs,S,,-DASSEMBLY))
+$(eval $(call create_cc_template,initobjs,c,.initobj,-D__PRE_RAM__))
+$(eval $(call create_cc_template,initobjs,S,.initobj,-DASSEMBLY -D__PRE_RAM__))
+$(eval $(call create_cc_template,drivers,c,.driver))
+$(eval $(call create_cc_template,drivers,S,.driver,-DASSEMBLY))
+$(eval $(call create_cc_template,smmobjs,c,.smmobj))
+$(eval $(call create_cc_template,smmobjs,S,.smmobj))
usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
usetemplate=$(foreach d,$(sort $(dir $($(1)))),$(eval $(call $(1)_$(2)_template,$(subst $(obj)/,,$(d)))))
$(eval $(call usetemplate,smmobjs,c))
$(eval $(call usetemplate,smmobjs,S))
+DEPENDENCIES = $(objs:.o=.d) $(initobjs:.o=.d) $(drivers:.o=.d) $(smmobjs:.o=.d)
+-include $(DEPENDENCIES)
+
printall:
@echo objs:=$(objs)
@echo initobjs:=$(initobjs)
@echo smmobjs:=$(smmobjs)
@echo alldirs:=$(alldirs)
@echo allsrc=$(allsrc)
+ @echo DEPENDENCIES=$(DEPENDENCIES)
@echo LIBGCC_FILE_NAME=$(LIBGCC_FILE_NAME)
printcrt0s:
- @echo $(patsubst $(top)/%,%,$(crt0s))
+ @echo crt0s=$(crt0s)
+ @echo ldscripts=$(ldscripts)
OBJS := $(patsubst %,$(obj)/%,$(TARGETS-y))
-INCLUDES := -I$(top)/src -I$(top)/src/include -I$(obj) -I$(top)/src/arch/$(ARCHDIR-y)/include
-INCLUDES += -I$(top)/util/x86emu/include
-INCLUDES += -include $(obj)/config.h
+INCLUDES := -Isrc -Isrc/include -I$(obj) -Isrc/arch/$(ARCHDIR-y)/include
+INCLUDES += -Isrc/devices/oprom/include
+# abspath is a workaround for romcc
+INCLUDES += -include $(abspath $(obj)/config.h)
-CFLAGS = $(INCLUDES) -Os -nostdinc
+CFLAGS = $(INCLUDES) -Os -nostdinc -pipe
CFLAGS += -nostdlib -Wall -Wundef -Wstrict-prototypes -Wmissing-prototypes
-CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
+CFLAGS += -Wwrite-strings -Wredundant-decls -Wno-trigraphs
CFLAGS += -Wstrict-aliasing -Wshadow
ifeq ($(CONFIG_WARNINGS_ARE_ERRORS),y)
CFLAGS += -Werror
CBFS_COMPRESS_FLAG:=l
CBFS_PAYLOAD_COMPRESS_FLAG:=
+CBFS_PAYLOAD_COMPRESS_NAME:=none
ifeq ($(CONFIG_COMPRESSED_PAYLOAD_LZMA),y)
CBFS_PAYLOAD_COMPRESS_FLAG:=l
+CBFS_PAYLOAD_COMPRESS_NAME:=LZMA
endif
-coreboot: prepare $(obj)/coreboot.rom
+coreboot: $(obj)/coreboot.rom
endif
-prepare:
- mkdir -p $(obj)
- mkdir -p $(obj)/util/kconfig/lxdialog $(obj)/util/cbfstool
- test -n "$(alldirs)" && mkdir -p $(alldirs) || true
+$(shell mkdir -p $(obj) $(objutil)/kconfig/lxdialog $(objutil)/cbfstool $(objutil)/romcc $(objutil)/options $(alldirs))
$(obj)/build.h: .xcompile
@printf " GEN build.h\n"
printf "/* build system definitions (autogenerated) */\n" > $(obj)/build.ht
printf "#ifndef __BUILD_H\n" >> $(obj)/build.ht
printf "#define __BUILD_H\n\n" >> $(obj)/build.ht
- 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
+ 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
printf "#define COREBOOT_EXTRA_VERSION \"$(COREBOOT_EXTRA_VERSION)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_BUILD \"`LANG= date`\"\n" >> $(obj)/build.ht
printf "\n" >> $(obj)/build.ht
printf "#define COREBOOT_LINKER \"$(shell LANG= $(LD) --version | head -n1)\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_TIME \"`LANG= date +%T`\"\n" >> $(obj)/build.ht
printf "#define COREBOOT_COMPILE_BY \"$(subst \,@,$(shell PATH=$$PATH:/usr/ucb whoami))\"\n" >> $(obj)/build.ht
- printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s)\"\n" >> $(obj)/build.ht
- printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname)\"\n" >> $(obj)/build.ht
+ printf "#define COREBOOT_COMPILE_HOST \"$(shell hostname -s 2>/dev/null)\"\n" >> $(obj)/build.ht
+ printf "#define COREBOOT_COMPILE_DOMAIN \"$(shell test `uname -s` = "Linux" && dnsdomainname || domainname 2>/dev/null)\"\n" >> $(obj)/build.ht
printf "#endif\n" >> $(obj)/build.ht
mv $(obj)/build.ht $(obj)/build.h
clean-for-update: doxygen-clean
rm -f $(objs) $(initobjs) $(drivers) $(smmobjs) .xcompile
+ rm -f $(DEPENDENCIES)
rm -f $(obj)/coreboot_ram* $(obj)/coreboot.romstage $(obj)/coreboot.pre* $(obj)/coreboot.bootblock $(obj)/coreboot.a
rm -rf $(obj)/bootblock* $(obj)/romstage* $(obj)/location.*
- rm -f $(obj)/option_table.* $(obj)/crt0_includes.h $(obj)/ldscript
+ rm -f $(obj)/option_table.* $(obj)/crt0.S $(obj)/ldscript
rm -f $(obj)/mainboard/$(MAINBOARDDIR)/static.c $(obj)/mainboard/$(MAINBOARDDIR)/config.py $(obj)/mainboard/$(MAINBOARDDIR)/static.dot
- rm -f $(obj)/mainboard/$(MAINBOARDDIR)/auto.inc $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
+ rm -f $(obj)/mainboard/$(MAINBOARDDIR)/crt0.s $(obj)/mainboard/$(MAINBOARDDIR)/crt0.disasm
+ rm -f $(obj)/mainboard/$(MAINBOARDDIR)/romstage.inc
+ rm -f $(obj)/mainboard/$(MAINBOARDDIR)/bootblock.* $(obj)/mainboard/$(MAINBOARDDIR)/dsdt.*
+ rm -f $(obj)/cpu/x86/smm/smm_bin.c $(obj)/cpu/x86/smm/smm.* $(obj)/cpu/x86/smm/smm
rmdir -p $(alldirs) 2>/dev/null >/dev/null || true
- $(MAKE) -C util/sconfig clean
clean: clean-for-update
rm -f $(obj)/coreboot* .ccwrap
-distclean: clean
+distclean:
rm -rf $(obj)
- rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig*
+ rm -f .config .config.old ..config.tmp .kconfig.d .tmpconfig* .ccwrap .xcompile
update:
dongle.py -c /dev/term/1 $(obj)/coreboot.rom EOF
$(obj)/ldoptions: $(obj)/config.h
awk '/^#define ([^"])* ([^"])*$$/ {gsub("\\r","",$$3); print $$2 " = " $$3 ";";}' $< > $@
-_OS=$(shell uname -s |cut -c-7)
+_WINCHECK=$(shell uname -o 2> /dev/null)
STACK=
-ifeq ($(_OS),MINGW32)
+ifeq ($(_WINCHECK),Msys)
STACK=-Wl,--stack,16384000
endif
-ifeq ($(_OS),CYGWIN_)
+ifeq ($(_WINCHECK),Cygwin)
STACK=-Wl,--stack,16384000
endif
-$(obj)/romcc: $(top)/util/romcc/romcc.c
+
+$(objutil)/romcc/romcc: $(top)/util/romcc/romcc.c
@printf " HOSTCC $(subst $(obj)/,,$(@)) (this may take a while)\n"
@# Note: Adding -O2 here might cause problems. For details see:
@# http://www.coreboot.org/pipermail/coreboot/2010-February/055825.html
$(HOSTCC) -g $(STACK) -Wall -o $@ $<
-.PHONY: $(PHONY) prepare clean distclean doxygen doxy coreboot .xcompile
+.PHONY: $(PHONY) clean distclean doxygen doxy coreboot .xcompile