2007-04-08 20:20:01 +03:00
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#
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# Makefile for Broadcom BCM947XX boards
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#
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# Copyright 2001-2003, Broadcom Corporation
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# All Rights Reserved.
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#
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# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
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# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
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# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
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# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
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#
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# Copyright 2004 Manuel Novoa III <mjn3@codepoet.org>
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# Modified to support bzip'd kernels.
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# Of course, it would be better to integrate bunzip capability into CFE.
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#
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# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su>
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# Cleaned up, modified for lzma support, removed from kernel
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#
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2008-05-18 20:29:39 +03:00
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TEXT_START := 0x80010000
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2007-04-08 20:20:01 +03:00
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BZ_TEXT_START := 0x80300000
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OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
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CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
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-fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
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-ffunction-sections -pipe -mlong-calls -fno-common \
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-mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
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CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB
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ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START)
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SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/
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OBJECTS := head.o data.o
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all: loader.gz loader.elf
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# Don't build dependencies, this may die if $(CC) isn't gcc
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dep:
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install:
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loader.gz: loader
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gzip -nc9 $< > $@
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loader.elf: loader.o
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cp $< $@
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loader: loader.o
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$(OBJCOPY) $< $@
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loader.o: loader.lds $(OBJECTS)
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$(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS)
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loader.lds: loader.lds.in Makefile
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@sed "$(SEDFLAGS)" < $< > $@
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data.o: data.lds decompress.image
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$(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips
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data.lds:
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@echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
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decompress.image: decompress
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$(OBJCOPY) $< $@
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decompress: decompress.lds decompress.o LzmaDecode.o
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$(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o
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decompress.lds: decompress.lds.in Makefile
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@sed "$(SEDFLAGS)" < $< > $@
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mrproper: clean
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clean:
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rm -f loader.gz loader decompress *.lds *.o *.image
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