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## This is Architecture independant part of the makefile
uses HAVE_OPTION_TABLE
makedefine CPP:= $(CC) -x assembler-with-cpp -DASSEMBLY -E
makedefine LIBGCC_FILE_NAME := $(shell $(CC) -print-libgcc-file-name)
makedefine GCC_INC_DIR := $(shell $(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) $(CPPFLAGS) -Os -nostdinc -nostdlib -fno-builtin -Wall
makedefine HOSTCFLAGS:= -Os -Wall
makerule ldscript.ld
depends "ldoptions $(LDSUBSCRIPTS-1)"
action "echo \"INCLUDE ldoptions\" > $@ ; for file in $(LDSUBSCRIPTS-1) ; do echo \"INCLUDE $$file\" >> $@ ; done"
end
#makerule cpuflags
# depends "Makefile.settings"
# action "perl -e 'print \"CPUFLAGS :=\n\"; foreach $$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\"; }}' > $@"
#end
makerule linuxbios.strip
depends "linuxbios"
action "$(OBJCOPY) -O binary linuxbios linuxbios.strip"
end
makerule linuxbios_ram.o
depends "$(DRIVER) linuxbios.a $(LIBGCC_FILE_NAME)"
action "$(CC) -nostdlib -r -o $@ c_start.o $(DRIVER) linuxbios.a $(LIBGCC_FILE_NAME)"
end
makerule linuxbios_ram
depends "linuxbios_ram.o $(TOP)/src/config/linuxbios_ram.ld ldoptions"
action "$(CC) -nostdlib -nostartfiles -static -o $@ -T $(TOP)/src/config/linuxbios_ram.ld linuxbios_ram.o"
action "$(CROSS_COMPILE)nm -n linuxbios_ram | sort > linuxbios_ram.map"
end
##
## By default compress the part of linuxbios that runs from RAM
##
makedefine LINUXBIOS_RAM-$(CONFIG_COMPRESS):=linuxbios_ram.nrv2b
makedefine LINUXBIOS_RAM-$(CONFIG_UNCOMPRESSED):=linuxbios_ram.bin
makerule linuxbios_ram.bin
depends "linuxbios_ram"
action "$(OBJCOPY) -O binary $< $@"
end
makerule linuxbios_ram.nrv2b
depends "linuxbios_ram.bin nrv2b"
action "./nrv2b e $< $@"
end
makerule linuxbios_ram.rom
depends "$(LINUXBIOS_RAM-1)"
action "cp $(LINUXBIOS_RAM-1) linuxbios_ram.rom"
end
makerule linuxbios
depends "crt0.o $(INIT-OBJECTS) linuxbios_ram.rom ldscript.ld"
action "$(CC) -nostdlib -nostartfiles -static -o $@ -T ldscript.ld crt0.o $(INIT-OBJECTS)"
action "$(CROSS_COMPILE)nm -n linuxbios | sort > linuxbios.map"
end
makerule linuxbios.a
depends "$(OBJECTS)"
action "rm -f linuxbios.a"
action "ar cr linuxbios.a $(OBJECTS)"
end
#makerule crt0.S
# depends "$(CRT0)"
# action "cp $< $@"
#end
# the buildrom tool
makerule buildrom
depends "$(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 $(CRT0_INCLUDES)"
action "@echo \"$(CPP) ... $< > $@ \""
action "$(CPP) $(CPPFLAGS) -I. -I$(TOP)/src $< > $@.new && mv $@.new $@"
end
makerule crt0.o
depends "crt0.s"
action "@echo $(CC) ... -o $@ $<"
action "@$(CC) -c $(CPU_OPT) -o $@ $<"
end
makerule etags
depends "$(SOURCES)"
action "etags $(SOURCES)"
end
makerule tags
depends "$(SOURCES)"
action "ctags $(SOURCES)"
end
makerule documentation
depends "$(SOURCES)"
action "doxygen LinuxBIOSDoc.config"
end
makerule ./romcc
depends "$(TOP)/util/romcc/romcc.c"
action "$(HOSTCC) -g $(HOSTCFLAGS) $< -o $@"
end
makerule build_opt_tbl
depends "$(TOP)/util/options/build_opt_tbl.c $(TOP)/src/include/pc80/mc146818rtc.h $(TOP)/src/include/boot/linuxbios_tables.h Makefile.settings Makefile"
action "$(HOSTCC) $(HOSTCFLAGS) $(CPUFLAGS) $< -o $@"
end
#makerule /$(TARGET_DIR)/option_table.c
# depends "build_opt_tbl $(MAINBOARD)/cmos.layout"
# action "./build_opt_tbl -b --config $(MAINBOARD)/cmos.layout"
#end
makerule option_table.c
depends "build_opt_tbl $(MAINBOARD)/cmos.layout"
action "./build_opt_tbl -b --config $(MAINBOARD)/cmos.layout --header option_table.h"
end
makerule option_table.h
depends "build_opt_tbl $(MAINBOARD)/cmos.layout"
action "./build_opt_tbl -b --config $(MAINBOARD)/cmos.layout --header option_table.h"
end
if HAVE_OPTION_TABLE
object ./option_table.o
#special rule
#makerule option_table.o
# depends "option_table.c"
# action "$(CC) -c $(CFLAGS) -o $@ $<"
#end
# object option_table.o
end
makerule clean
action "rm -f linuxbios.* *~"
action "rm -f linuxbios"
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 linuxbios_ram* linuxbios_pay*"
action "rm -f build_opt_tbl 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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