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uses CONFIG_SMP
uses CONFIG_PRECOMPRESSED_ROM_STREAM
uses CONFIG_USE_INIT
init init/crt0.S.lb
ldscript init/ldscript.lb
makerule all
depends "linuxbios.rom"
end
makerule floppy
depends "all"
action "mcopy -o linuxbios.rom a:"
end
makerule nrv2b
depends "$(TOP)/util/nrv2b/nrv2b.c"
action "$(HOSTCC) -O2 -DENCODE -DDECODE -DMAIN -DVERBOSE -DNDEBUG -DBITSIZE=32 -DENDIAN=0 $< -o $@"
end
makerule payload
depends "$(PAYLOAD)"
action "cp -f $< $@"
end
makerule payload.nrv2b
depends "$(PAYLOAD) nrv2b"
action "./nrv2b e $(PAYLOAD) $@"
end
# unlike nrv2b, lzma is a huge build mess. If they want lzma, they have to have built it
makerule payload.lzma
depends "$(PAYLOAD) "
action "lzma e $(PAYLOAD) $@"
end
# this one example shows the mess that has occurred. People are now mixing
# conditional if in the make style with if in the config language style.
# The -1 is linux standard.
# I don't much like it but it is the mode nowadays. So linuxbios will change
# what a mess. -- RGM
# catch the case where there is no compression
makedefine PAYLOAD-1:=payload
# match the case where a compression type is specified.
makedefine PAYLOAD-$(CONFIG_COMPRESSED_ROM_STREAM_NRV2B):=payload.nrv2b
makedefine PAYLOAD-$(CONFIG_COMPRESSED_ROM_STREAM_LZMA):=payload.lzma
# catch the case where there is precompression. Yes, this bites.
if CONFIG_PRECOMPRESSED_ROM_STREAM
makedefine PAYLOAD-1:=payload
end
makerule linuxbios.rom
depends "linuxbios.strip buildrom $(PAYLOAD-1)"
action "./buildrom $< $@ $(PAYLOAD-1) $(ROM_IMAGE_SIZE) $(ROM_SECTION_SIZE)"
end
makerule crt0.S
depends "$(CRT0)"
action "cp $< $@"
end
addaction clean "rm -f romimage payload.*"
if CONFIG_USE_INIT
makerule init.o
depends "$(INIT-OBJECTS)"
action "$(LD) -melf_i386 -r -o init.pre.o $(INIT-OBJECTS)"
action "$(OBJCOPY) --rename-section .text=.init.text --rename-section .data=.init.data --rename-section .rodata=.init.rodata --rename-section .rodata.str1.1=.init.rodata.str1.1 init.pre.o init.o"
end
makerule linuxbios
depends "crt0.o init.o linuxbios_ram.rom ldscript.ld"
action "$(CC) -nostdlib -nostartfiles -static -o $@ -T ldscript.ld crt0.o init.o"
action "$(CROSS_COMPILE)nm -n linuxbios | sort > linuxbios.map"
end
end
dir lib
dir boot
if CONFIG_SMP
dir smp
end
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