mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-10-16 23:36:15 +03:00
4f531230a3
openwrt. this gives us the ability to better support different hardware models, without changing any external tar-balls. only et.o and wl.o is missing and is fetched from my webserver. git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@379 3c298f89-4303-0410-b956-a3cf2f4a3e73
101 lines
2.9 KiB
Makefile
101 lines
2.9 KiB
Makefile
#
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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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# $Id$
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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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# Link at 3 MB offset in RAM
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#TEXT_START ?= 0x80300000
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TEXT_START ?= 0x80001000
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BZ_MEM_TOP := 0x81000000
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BZ_TEXT_START := BZ_MEM_TOP-0x4000
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BZ_STACK_TOP := BZ_TEXT_START-4
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OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
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SRCBASE := $(TOPDIR)/../..
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VPATH := $(SRCBASE)/shared
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ASFLAGS += -D__ASSEMBLY__ -I$(SRCBASE)/include -DLOADADDR=$(LOADADDR)
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ASFLAGS += -DBZ_MEM_TOP=$(BZ_MEM_TOP)
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ASFLAGS += -DBZ_TEXT_START=$(BZ_TEXT_START)
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ASFLAGS += -DBZ_STACK_TOP=$(BZ_STACK_TOP)
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CFLAGS += -I$(SRCBASE)/include -DLOADADDR=$(LOADADDR)
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CFLAGS += -DBZ_MEM_TOP=$(BZ_MEM_TOP)
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CFLAGS += -DBZ_TEXT_START=$(BZ_TEXT_START)
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CFLAGS += -DBZ_STACK_TOP=$(BZ_STACK_TOP)
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ifdef CONFIG_MCOUNT
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CFLAGS := $(subst -pg,,$(CFLAGS))
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endif
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CFLAGS += -ffunction-sections $(call check_gcc, -fvtable-gc, )
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SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/BZ_MEM_TOP/$(BZ_MEM_TOP)/;s/TEXT_START/$(TEXT_START)/
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SYSTEM ?= $(TOPDIR)/vmlinux
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OBJECTS := head.o data.o
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all: bzImage vmlinuz
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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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# Create a gzipped version named vmlinuz for compatibility
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vmlinuz: piggy
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gzip -c9 $< > $@
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# Our bzImage is a gzip'd binary that decompresses and runs
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# the appended bzip'd kernel.
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bzImage: bzLoaderImage.gz piggz
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cat bzLoaderImage.gz piggz > $@
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bzLoaderImage.gz: bzLoaderImage
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gzip -nc9 $< > $@
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bzLoaderImage: bzLoader
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$(OBJCOPY) $< $@
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bzLoader: vmlinux.lds $(OBJECTS)
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$(LD) -static --gc-sections -no-warn-mismatch -T vmlinux.lds -o $@ $(OBJECTS)
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vmlinux.lds: vmlinux.lds.in Makefile
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@sed "$(SEDFLAGS)" < $< > $@
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piggz: piggy
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bzip2 -c9 $< > $@
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piggy: $(SYSTEM)
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$(OBJCOPY) $< $@
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data.o: data.lds data.image
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$(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary data.image -b elf32-tradlittlemips
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data.lds:
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@echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
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data.image: decompress_bunzip2.image
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$(OBJCOPY) $< $@
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decompress_bunzip2.image: decompress_bunzip2.lds decompress_bunzip2.o
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$(LD) -static --gc-sections -no-warn-mismatch -T decompress_bunzip2.lds -o $@ decompress_bunzip2.o
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decompress_bunzip2.lds: decompress_bunzip2.lds.in Makefile
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@sed "$(SEDFLAGS)" < $< > $@
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mrproper: clean
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clean:
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rm -f vmlinux vmlinuz piggz piggy *.lds *.o \
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bzLoader bzLoaderImage bzLoaderImage.gz bzImage \
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data.lds data.image \
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decompress_bunzip2.lds decompress_bunzip2.image
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