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|
## This is Architecture independant part of the makefile
uses HAVE_OPTION_TABLE
uses CONFIG_AP_CODE_IN_CAR
uses ASSEMBLER_DEBUG
makedefine CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
makedefine LIBGCC_FILE_NAME := $(shell $(CC) -print-libgcc-file-name)
makedefine GCC_INC_DIR := $(shell LC_ALL=C $(CC) -print-search-dirs | sed -ne "s/install: \(.*\)/\1include/gp")
makedefine CPPFLAGS := -I$(TOP)/src/include -I$(TOP)/src/arch/$(ARCH)/include -I$(GCC_INC_DIR) $(CPUFLAGS)
makedefine CFLAGS := $(CPU_OPT) $(DISTRO_CFLAGS) $(CPPFLAGS) -Os -nostdinc -nostdlib -fno-builtin -Wall
if ASSEMBLER_DEBUG
makedefine DEBUG_CFLAGS := -g -dA -fverbose-asm
end
makedefine HOSTCFLAGS:= -Os -Wall
makerule ldscript.ld
depends "ldoptions $(LDSUBSCRIPTS-1)"
action "echo '/*ldoptions*/' > $@; cat ldoptions >> $@ ; for file in $(LDSUBSCRIPTS-1) ; do echo /\* $$file \*/ >> $@; cat $$file >> $@ ; done"
end
#makerule cpuflags
# depends "Makefile.settings"
# action "perl -e 'print \"CPUFLAGS :=\n\"; foreach $$var (split(\" \", $$ENV{VARIABLES})) { if (exists($$ENV{$$var})) { print \"CPUFLAGS += -D$$var\" . (length($$ENV{$$var})?\"=\x27$$ENV{$$var}\x27\":\"\") .\"\n\"} else { print \"CPUFLAGS += -U$$var\n\"} }' > $@"
#end
#makerule ldoptions
# depends "Makefile.settings"
# action "perl -e 'foreach $$var (split(\" \", $$ENV{VARIABLES})) { if ($$ENV{$$var} =~ m/^(0x[0-9a-fA-F]+|0[0-7]+|[0-9]+)$$/) { print \"$$var = $$ENV{$$var};\n\"; }}' > $@"
#end
makerule coreboot.strip
depends "coreboot"
action "$(OBJCOPY) -O binary coreboot coreboot.strip"
end
makerule coreboot.a
depends "$(OBJECTS)"
action "rm -f coreboot.a"
action "$(CROSS_COMPILE)ar cr coreboot.a $(OBJECTS)"
end
makerule coreboot_ram.o
depends "$(TOP)/src/arch/$(ARCH)/lib/c_start.o $(DRIVER) coreboot.a $(LIBGCC_FILE_NAME)"
action "$(CC) $(DISTRO_LFLAGS) -nostdlib -r -o $@ $^"
end
makerule coreboot_ram
depends "coreboot_ram.o $(TOP)/src/config/coreboot_ram.ld ldoptions"
action "$(CC) $(DISTRO_LFLAGS) -nostdlib -nostartfiles -static -o $@ -T $(TOP)/src/config/coreboot_ram.ld coreboot_ram.o"
action "$(CROSS_COMPILE)nm -n coreboot_ram | sort > coreboot_ram.map"
end
##
## By default compress the part of coreboot that runs from RAM
##
makedefine COREBOOT_RAM-$(CONFIG_COMPRESS):=coreboot_ram.nrv2b
makedefine COREBOOT_RAM-$(CONFIG_UNCOMPRESSED):=coreboot_ram.bin
makerule coreboot_ram.bin
depends "coreboot_ram"
action "$(OBJCOPY) -O binary $< $@"
end
makerule coreboot_ram.nrv2b
depends "coreboot_ram.bin nrv2b"
action "./nrv2b e $< $@"
end
makerule coreboot_ram.rom
depends "$(COREBOOT_RAM-1)"
action "cp $(COREBOOT_RAM-1) coreboot_ram.rom"
end
makedefine COREBOOT_APC:=
if CONFIG_AP_CODE_IN_CAR
#for ap code in cache
makerule coreboot_apc.a
depends "apc_auto.o"
action "rm -f coreboot_apc.a"
action "$(CROSS_COMPILE)ar cr coreboot_apc.a apc_auto.o"
end
makerule coreboot_apc.o
depends "coreboot_apc.a c_start.o $(LIBGCC_FILE_NAME)"
action "$(CC) $(DISTRO_LFLAGS) -nostdlib -r -o $@ c_start.o coreboot_apc.a $(LIBGCC_FILE_NAME)"
end
makerule coreboot_apc
depends "coreboot_apc.o $(TOP)/src/config/coreboot_apc.ld ldoptions"
action "$(CC) $(DISTRO_LFLAGS) -nostdlib -nostartfiles -static -o $@ -T $(TOP)/src/config/coreboot_apc.ld coreboot_apc.o"
action "$(CROSS_COMPILE)nm -n coreboot_apc | sort > coreboot_apc.map"
end
##
## By default compress the part of coreboot that runs from cache as ram
##
makedefine COREBOOT_APC-$(CONFIG_COMPRESS):=coreboot_apc.nrv2b
makedefine COREBOOT_APC-$(CONFIG_UNCOMPRESSED):=coreboot_apc.bin
makerule coreboot_apc.bin
depends "coreboot_apc"
action "$(OBJCOPY) -O binary $< $@"
end
makerule coreboot_apc.nrv2b
depends "coreboot_apc.bin nrv2b"
action "./nrv2b e $< $@"
end
makerule coreboot_apc.rom
depends "$(COREBOOT_APC-1)"
action "cp $(COREBOOT_APC-1) coreboot_apc.rom"
end
makedefine COREBOOT_APC:=coreboot_apc.rom
end
makedefine COREBOOT_RAM_ROM:=coreboot_ram.rom
makerule coreboot
depends "crt0.o $(INIT-OBJECTS) $(COREBOOT_APC) $(COREBOOT_RAM_ROM) ldscript.ld"
action "$(CC) $(DISTRO_LFLAGS) -nostdlib -nostartfiles -static -o $@ -T ldscript.ld crt0.o $(INIT-OBJECTS)"
action "$(CROSS_COMPILE)nm -n coreboot | sort > coreboot.map"
action "$(CROSS_COMPILE)objdump -dS coreboot > coreboot.disasm"
end
# the buildrom tool
makerule buildrom
depends "$(TOP)/util/buildrom/buildrom.c"
action "$(HOSTCC) -o $@ $<"
end
# Force crt0.s (which has build time version code in it to rebuild every time)
makedefine .PHONY : crt0.s
makerule crt0.s
depends "crt0.S $(CRT0_INCLUDES)"
action "$(CPP) $(CPPFLAGS) -I. -I$(TOP)/src $< > $@.new && mv $@.new $@"
end
# generate an assembly listing via -a switch.
makerule crt0.o
depends "crt0.s"
action "$(CC) -Wa,-acdlns -c $(CPU_OPT) -o $@ $< >crt0.disasm"
end
makerule etags
depends "$(SOURCES)"
action "etags $(SOURCES)"
end
makerule tags
depends "$(SOURCES)"
action "ctags $(SOURCES)"
end
makerule corebootDoc.config
depends "$(TOP)/src/config/corebootDoc.config"
action "cat $(TOP)/src/config/corebootDoc.config > corebootDoc.config"
action "echo 'INPUT=$(SOURCES)' >> corebootDoc.config"
end
makerule documentation
depends "corebootDoc.config"
action "doxygen corebootDoc.config"
end
# Yes, the rule doesn't seem to make sense, but multiple images could try to
# create a romcc binary at the same time, clobbering each other.
# Our makefile architecture won't allow us to easily have the romcc target
# in the main makefile, so keep it here and move the race condition winner
# in place. That way, romcc may get compiled twice, but the binary will always
# be in a correct and valid state if it exists because the move is atomic.
makerule ../romcc
depends "$(TOP)/util/romcc/romcc.c"
action "$(HOSTCC) -g $(HOSTCFLAGS) $< -o romcc.tmpfile"
action "mv romcc.tmpfile $@"
end
makerule build_opt_tbl
depends "$(TOP)/util/options/build_opt_tbl.c $(TOP)/src/include/pc80/mc146818rtc.h $(TOP)/src/include/boot/coreboot_tables.h Makefile.settings Makefile"
action "$(HOSTCC) $(HOSTCFLAGS) $(CPUFLAGS) $< -o $@"
end
makerule option_table.h option_table.c
depends "build_opt_tbl $(MAINBOARD)/cmos.layout"
action "./build_opt_tbl --config $(MAINBOARD)/cmos.layout --header option_table.h --option option_table.c"
end
if HAVE_OPTION_TABLE
object ./option_table.o
end
makerule clean
action "rm -f coreboot.* *~"
action "rm -f coreboot"
action "rm -f ldscript.ld"
action "rm -f a.out *.s *.l *.o *.E *.inc"
action "rm -f TAGS tags romcc*"
action "rm -f docipl buildrom* chips.c *chip.c coreboot_apc* coreboot_ram* coreboot_pay*"
action "rm -f build_opt_tbl* nrv2b* option_table.c crt0.S"
end
# do standard config files that the user need not specify
# for now, this is just 'lib', but it may be more later.
dir /lib
dir /console
dir /stream
dir /devices
dir /pc80
dir /boot
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