diff options
Diffstat (limited to 'target/linux/brcm63xx/image/lzma-loader/src/Makefile')
| -rw-r--r-- | target/linux/brcm63xx/image/lzma-loader/src/Makefile | 103 |
1 files changed, 56 insertions, 47 deletions
diff --git a/target/linux/brcm63xx/image/lzma-loader/src/Makefile b/target/linux/brcm63xx/image/lzma-loader/src/Makefile index 83e2c52..50c22d8 100644 --- a/target/linux/brcm63xx/image/lzma-loader/src/Makefile +++ b/target/linux/brcm63xx/image/lzma-loader/src/Makefile @@ -1,77 +1,86 @@ # -# Makefile for Broadcom BCM947XX boards +# Makefile for the LZMA compressed kernel loader for +# Atheros AR7XXX/AR9XXX based 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 (C) 2011 Gabor Juhos <juhosg@openwrt.org> # -# 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. +# Some parts of this file was based on the OpenWrt specific lzma-loader +# for the BCM47xx and ADM5120 based boards: +# Copyright (C) 2004 Manuel Novoa III (mjn3@codepoet.org) +# Copyright (C) 2005 Mineharu Takahara <mtakahar@yahoo.com> +# Copyright (C) 2005 by Oleg I. Vdovikin <oleg@cs.msu.su> # -# Copyright 2005 Oleg I. Vdovikin <oleg@cs.msu.su> -# Cleaned up, modified for lzma support, removed from kernel +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License version 2 as published +# by the Free Software Foundation. # -TEXT_START := 0x80010000 -BZ_TEXT_START := 0x80300000 +LOADADDR := +LZMA_TEXT_START := 0x80a00000 +LOADER_DATA := -OBJCOPY := $(CROSS_COMPILE)objcopy -O binary -R .reginfo -R .note -R .comment -R .mdebug -S +CC := $(CROSS_COMPILE)gcc +LD := $(CROSS_COMPILE)ld +OBJCOPY := $(CROSS_COMPILE)objcopy +OBJDUMP := $(CROSS_COMPILE)objdump + +BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ - -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \ - -ffunction-sections -pipe -mlong-calls -fno-common \ - -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap -CFLAGS += -DLOADADDR=$(TEXT_START) -D_LZMA_IN_CB + -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \ + -mno-abicalls -fno-pic -ffunction-sections -pipe \ + -ffreestanding -fhonour-copts \ + -mabi=32 -march=mips32 \ + -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap +CFLAGS += -D_LZMA_PROB32 + +ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ + +LDFLAGS = -static --gc-sections -no-warn-mismatch +LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START) + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) -ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ -DBZ_TEXT_START=$(BZ_TEXT_START) +OBJECTS := head.o loader.o cache.o board.o printf.o LzmaDecode.o -SEDFLAGS := s/BZ_TEXT_START/$(BZ_TEXT_START)/;s/TEXT_START/$(TEXT_START)/ +ifneq ($(strip $(LOADER_DATA)),) +OBJECTS += data.o +CFLAGS += -DLZMA_WRAPPER=1 -DLOADADDR=$(LOADADDR) +endif -OBJECTS := head.o data.o -all: loader.gz loader.elf +all: loader.elf # Don't build dependencies, this may die if $(CC) isn't gcc dep: install: -loader.gz: loader - gzip -nc9 $< > $@ +%.o : %.c + $(CC) $(CFLAGS) -c -o $@ $< -loader.elf: loader.o - cp $< $@ +%.o : %.S + $(CC) $(ASFLAGS) -c -o $@ $< -loader: loader.o - $(OBJCOPY) $< $@ +data.o: $(LOADER_DATA) + $(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $< -loader.o: loader.lds $(OBJECTS) - $(LD) -static --gc-sections -no-warn-mismatch -T loader.lds -o $@ $(OBJECTS) +loader: $(OBJECTS) + $(LD) $(LDFLAGS) -o $@ $(OBJECTS) -loader.lds: loader.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ +loader.bin: loader + $(OBJCOPY) $(BIN_FLAGS) $< $@ -data.o: data.lds decompress.image - $(LD) -no-warn-mismatch -T data.lds -r -o $@ -b binary decompress.image -b elf32-tradlittlemips +loader2.o: loader.bin + $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $< -data.lds: - @echo "SECTIONS { .data : { code_start = .; *(.data) code_stop = .; }}" > $@ +loader.elf: loader2.o + $(LD) -e startup -T loader2.lds -Ttext $(LOADADDR) -o $@ $< -decompress.image: decompress - $(OBJCOPY) $< $@ +mrproper: clean -decompress: decompress.lds decompress.o LzmaDecode.o - $(LD) -static --gc-sections -no-warn-mismatch -T decompress.lds -o $@ decompress.o LzmaDecode.o +clean: + rm -f loader *.elf *.bin *.o -decompress.lds: decompress.lds.in Makefile - @sed "$(SEDFLAGS)" < $< > $@ -mrproper: clean -clean: - rm -f loader.gz loader decompress *.lds *.o *.image |