diff options
Diffstat (limited to 'target/linux/lantiq/image/lzma-loader/src/Makefile')
| -rw-r--r-- | target/linux/lantiq/image/lzma-loader/src/Makefile | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/target/linux/lantiq/image/lzma-loader/src/Makefile b/target/linux/lantiq/image/lzma-loader/src/Makefile new file mode 100644 index 0000000000..d3f6ca4049 --- /dev/null +++ b/target/linux/lantiq/image/lzma-loader/src/Makefile @@ -0,0 +1,125 @@ +# +# 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 := +LOADER_DATA := +KERNEL_MAGIC := +BOARD := +FLASH_START := +FLASH_OFFS := +FLASH_MAX := +PLATFORM := +CACHE_FLAGS := + +CC := $(CROSS_COMPILE)gcc +LD := $(CROSS_COMPILE)ld +OBJCOPY := $(CROSS_COMPILE)objcopy +OBJDUMP := $(CROSS_COMPILE)objdump +include $(PLATFORM).mk + +BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug \ + -R .MIPS.abiflags -S + +CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ + -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \ + -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \ + -fno-common -ffreestanding -fhonour-copts -nostartfiles \ + -mabi=32 -march=mips32r2 \ + -Wa,-32 -Wa,-march=mips32r2 -Wa,-mips32r2 -Wa,--trap +CFLAGS += -D_LZMA_PROB32 +CFLAGS += -DARCH=$(PLATFORM) +CFLAGS += -flto + +ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ + +LDFLAGS = -static -Wl,--gc-sections -Wl,-no-warn-mismatch +LDFLAGS += -Wl,-e,startup -T loader.lds -Wl,-Ttext,$(LZMA_TEXT_START) +LDFLAGS += -flto -fwhole-program + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) + +OBJECTS := head.o loader.o cache.o board-$(PLATFORM).o printf.o LzmaDecode.o + +include $(PLATFORM).mk +CFLAGS+=$(CACHE_FLAGS) +ASFLAGS+=$(CACHE_FLAGS) + +ifneq ($(strip $(LOADER_DATA)),) +OBJECTS += data.o +CFLAGS += -DLZMA_WRAPPER=1 -DLOADADDR=$(LOADADDR) +endif + +ifneq ($(strip $(KERNEL_MAGIC)),) +CFLAGS += -DCONFIG_KERNEL_MAGIC=$(KERNEL_MAGIC) +endif + +ifneq ($(strip $(KERNEL_CMDLINE)),) +CFLAGS += -DCONFIG_KERNEL_CMDLINE='"$(KERNEL_CMDLINE)"' +endif + +ifneq ($(strip $(FLASH_START)),) +CFLAGS += -DCONFIG_FLASH_START=$(FLASH_START) +endif +ifneq ($(strip $(FLASH_OFFS)),) +CFLAGS += -DCONFIG_FLASH_OFFS=$(FLASH_OFFS) +endif + +ifneq ($(strip $(FLASH_MAX)),) +CFLAGS += -DCONFIG_FLASH_MAX=$(FLASH_MAX) +endif + +BOARD_DEF := $(shell echo $(strip $(BOARD)) | tr a-z A-Z | tr - _) +ifneq ($(BOARD_DEF),) +CFLAGS += -DCONFIG_BOARD_$(BOARD_DEF) +endif + +all: loader.elf + +# 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: $(OBJECTS) + $(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJECTS) + +loader.bin: loader + $(OBJCOPY) $(BIN_FLAGS) $< $@ + +loader2.o: loader.bin + $(LD) -r -b binary --oformat $(O_FORMAT) -o $@ $< + +loader.elf: loader2.o + $(LD) -z max-page-size=0x1000 -e startup -T loader2.lds -Ttext $(LOADADDR) -o $@ $< + +mrproper: clean + +clean: + rm -f loader *.elf *.bin *.o + + + |