mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-12 01:08:27 +02:00
855954db08
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3076 3c298f89-4303-0410-b956-a3cf2f4a3e73
43 lines
1.1 KiB
Makefile
43 lines
1.1 KiB
Makefile
LOADADDR = 0x80400000 # RAM start + 4M
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KERNEL_ENTRY = 0x80001000
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RAMSIZE = 0x00100000 # 1MB
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CROSS_COMPILE = mips-linux-
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.S.s:
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$(CPP) $(CFLAGS) $< -o $*.s
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.S.o:
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$(CC) $(CFLAGS) -c $< -o $*.o
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.c.o:
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$(CC) $(CFLAGS) -c $< -o $*.o
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CC = $(CROSS_COMPILE)gcc
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LD = $(CROSS_COMPILE)ld
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OBJCOPY = $(CROSS_COMPILE)objcopy
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OBJDUMP = $(CROSS_COMPILE)objdump
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CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE} -DKERNEL_ENTRY=${KERNEL_ENTRY} -D_LZMA_IN_CB
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# CFLAGS = -fno-builtin -Os -G 0 -mno-abicalls -fno-pic -Wall -DRAMSIZE=${RAMSIZE}
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O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32)
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# Drop some uninteresting sections in the kernel.
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# This is only relevant for ELF kernels but doesn't hurt a.out
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drop-sections = .reginfo .mdebug .comment
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strip-flags = $(addprefix --remove-section=,$(drop-sections))
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all : lzma.elf
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lzma.lds: lzma.lds.in
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sed -e 's,@LOADADDR@,$(LOADADDR),g' $< >$@
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kernel.o: vmlinux.lzma lzma.lds
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$(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $<
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lzma.elf: start.o decompress.o LzmaDecode.o kernel.o
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$(LD) -s -Tlzma.lds -o $@ $^
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clean:
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rm -f *.o lzma.elf
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