1# 2# Makefile for Broadcom BCM947XX boards 3# 4# Copyright 2001-2003, Broadcom Corporation 5# All Rights Reserved. 6# 7# THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY 8# KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM 9# SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS 10# FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. 11# 12# Copyright 2004 Manuel Novoa III <mjn3@codepoet.org> 13# Modified to support bzip'd kernels. 14# Of course, it would be better to integrate bunzip capability into CFE. 15# 16# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> 17# Cleaned up, modified for lzma support, removed from kernel 18# 19 20TEXT_START := 0x80010000 21BZ_TEXT_START := 0x80300000 22 23OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S 24 25CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ 26 -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ 27 -ffunction-sections -pipe -mlong-calls -fno-common \ 28 -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap 29CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB 30 31ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) 32 33SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ 34 35OBJECTS := head.o data.o 36 37all: loader.gz loader.elf 38 39# Don't build dependencies, this may die if $(CC) isn't gcc 40dep: 41 42install: 43 44loader.gz: loader 45 gzip -nc9 $< > $@ 46 47loader.elf: loader.o 48 cp $< $@ 49 50loader: loader.o 51 $(OBJCOPY) $< $@ 52 53loader.o: loader.lds $(OBJECTS) 54 $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) 55 56loader.lds: loader.lds.in Makefile 57 @sed "$(SEDFLAGS)" < $< > $@ 58 59data.o: data.lds decompress.image 60 $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips 61 62data.lds: 63 @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ 64 65decompress.image: decompress 66 $(OBJCOPY) $< $@ 67 68decompress: decompress.lds decompress.o LzmaDecode.o 69 $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o 70 71decompress.lds: decompress.lds.in Makefile 72 @sed "$(SEDFLAGS)" < $< > $@ 73 74mrproper: clean 75 76clean: 77 rm -f loader.gz loader decompress *.lds *.o *.image 78