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# 2009-10-05 - Upgrade to lzma SDK 4.57 by Leonid Lisovskiy 20# 21 22TEXT_START := 0x80001000 23BZ_TEXT_START := 0x80500000 24 25OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S 26 27CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -O2 \ 28 -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ 29 -ffunction-sections -pipe -Wa,--trap \ 30 -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 31CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB 32CFLAGS += -I$(SRCBASE)/include -I$(SRCBASE)/lzma/C/Compress/Lzma 33 34ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) 35 36SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ 37 38OBJECTS := head.o data.o 39 40vpath %.c $(SRCBASE)/lzma/C/Compress/Lzma 41 42all: loader.gz 43 44# Don't build dependencies, this may die if $(CC) isn't gcc 45dep: 46 47install: 48 49loader.gz: loader 50 gzip -nc9 $< > $@ 51 52loader: loader.o 53 $(OBJCOPY) $< $@ 54 55loader.o: loader.lds $(OBJECTS) 56 $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) 57 58loader.lds: loader.lds.in Makefile 59 @sed "$(SEDFLAGS)" < $< > $@ 60 61data.o: data.lds decompress.image 62 $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips 63 64data.lds: 65 @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ 66 67decompress.image: decompress 68 $(OBJCOPY) $< $@ 69 70decompress: decompress.lds decompress.o LzmaDecode.o 71 $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o 72 73decompress.lds: decompress.lds.in Makefile 74 @sed "$(SEDFLAGS)" < $< > $@ 75 76mrproper: clean 77 78clean: 79 rm -f loader.gz loader decompress *.lds *.o *.image 80