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- #
- # Makefile for Broadcom BCM947XX boards
- #
- # Copyright 2001-2003, Broadcom Corporation
- # All Rights Reserved.
- #
- # THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- # KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- # SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- # FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
- #
- # Copyright 2004 Manuel Novoa III <mjn3@codepoet.org>
- # Modified to support bzip'd kernels.
- # Of course, it would be better to integrate bunzip capability into CFE.
- #
- # Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su>
- # Cleaned up, modified for lzma support, removed from kernel
- #
- TEXT_START := 0x80001000
- BZ_TEXT_START := 0x80400000
- OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S
- CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
- -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
- -ffunction-sections -pipe -mlong-calls -fno-common \
- -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap
- CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB
- ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START)
- SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/
- OBJECTS := head.o data.o
- all: loader.gz loader.elf
- # Don't build dependencies, this may die if $(CC) isn't gcc
- dep:
- install:
- loader.gz: loader
- gzip -nc9 $< > $@
- loader.elf: loader.o
- cp $< $@
- loader: loader.o
- $(OBJCOPY) $< $@
- loader.o: loader.lds $(OBJECTS)
- $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS)
- loader.lds: loader.lds.in Makefile
- @sed "$(SEDFLAGS)" < $< > $@
- data.o: data.lds decompress.image
- $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips
- data.lds:
- @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@
- decompress.image: decompress
- $(OBJCOPY) $< $@
- decompress: decompress.lds decompress.o LzmaDecode.o
- $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o
- decompress.lds: decompress.lds.in Makefile
- @sed "$(SEDFLAGS)" < $< > $@
- mrproper: clean
- clean:
- rm -f loader.gz loader decompress *.lds *.o *.image
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