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author | Gabor Juhos <juhosg@openwrt.org> | 2011-12-05 14:52:25 +0000 |
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committer | Gabor Juhos <juhosg@openwrt.org> | 2011-12-05 14:52:25 +0000 |
commit | d42968351fac42056852c71dbf58ae5c880c208c (patch) | |
tree | 28fa455ee170c9ecbddc6ffbe2aec705dec4090c /target/linux/ar71xx/image/lzma-loader/src/Makefile | |
parent | f3d2056b81b7a92d28402c22736534d84fe23cfe (diff) | |
download | master-31e0f0ae-d42968351fac42056852c71dbf58ae5c880c208c.tar.gz master-31e0f0ae-d42968351fac42056852c71dbf58ae5c880c208c.tar.bz2 master-31e0f0ae-d42968351fac42056852c71dbf58ae5c880c208c.zip |
ar71xx: add lzma loader
SVN-Revision: 29443
Diffstat (limited to 'target/linux/ar71xx/image/lzma-loader/src/Makefile')
-rw-r--r-- | target/linux/ar71xx/image/lzma-loader/src/Makefile | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/target/linux/ar71xx/image/lzma-loader/src/Makefile b/target/linux/ar71xx/image/lzma-loader/src/Makefile new file mode 100644 index 0000000000..c5965c9bde --- /dev/null +++ b/target/linux/ar71xx/image/lzma-loader/src/Makefile @@ -0,0 +1,94 @@ +# +# Makefile for the LZMA compressed kernel loader for +# Atheros AR7XXX/AR9XXX based boards +# +# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> +# +# 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> +# +# 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. +# + +LOADADDR := +LZMA_TEXT_START := 0x80a00000 +LOADER_DATA := +CONFIG_BOARD := +FLASH_OFFS := +FLASH_MAX := + +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 -ffreestanding -fhonour-copts \ + -mabi=32 -march=mips32r2 \ + -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -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 $(OBJDUMP) -i | head -2 | grep elf32) + +OBJECTS := head.o loader.o cache.o board.o printf.o LzmaDecode.o + +ifneq ($(strip $(LOADER_DATA)),) +OBJECTS += data.o +CFLAGS += -DLZMA_WRAPPER=1 -DLOADADDR=$(LOADADDR) +endif + +ifneq ($(strip $(KERNEL_CMDLINE)),) +CFLAGS += -DCONFIG_KERNEL_CMDLINE='"$(KERNEL_CMDLINE)"' +endif + +ifneq ($(strip $(FLASH_OFFS)),) +CFLAGS += -DCONFIG_FLASH_OFFS=$(FLASH_OFFS) +endif + +ifneq ($(strip $(FLASH_MAX)),) +CFLAGS += -DCONFIG_FLASH_MAX=$(FLASH_MAX) +endif + +all: loader.bin + +# Don't build dependencies, this may die if $(CC) isn't gcc +dep: + +install: + +%.o : %.c + $(CC) $(CFLAGS) -c -o $@ $< + +%.o : %.S + $(CC) $(ASFLAGS) -c -o $@ $< + +data.o: $(LOADER_DATA) + $(LD) -r -b binary --oformat $(O_FORMAT) -T lzma-data.lds -o $@ $< + +loader.bin: loader.elf + $(OBJCOPY) $(BIN_FLAGS) $< $@ + +loader.elf: $(OBJECTS) + $(LD) $(LDFLAGS) -o $@ $(OBJECTS) + +mrproper: clean + +clean: + rm -f *.elf *.bin *.o + + + |