diff options
Diffstat (limited to 'target/linux/realtek/image/lzma-loader/src/Makefile')
| -rw-r--r-- | target/linux/realtek/image/lzma-loader/src/Makefile | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/target/linux/realtek/image/lzma-loader/src/Makefile b/target/linux/realtek/image/lzma-loader/src/Makefile new file mode 100644 index 000000000..3355d7b20 --- /dev/null +++ b/target/linux/realtek/image/lzma-loader/src/Makefile @@ -0,0 +1,117 @@ +# +# Makefile for the LZMA compressed kernel loader for +# Realtek rtl819xx based boards +# +# Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org> +# Copyright (C) 2013 Roman Yeryomin <roman@advem.lv> +# +# 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 := +KERNELENTRY := +LZMA_TEXT_START := 0x80a00000 +LOADER_DATA := +BOARD := +FLASH_OFFS := +FLASH_MAX := + +CC := $(CROSS_COMPILE)gcc +LD := $(CROSS_COMPILE)ld +OBJCOPY := $(CROSS_COMPILE)objcopy +OBJDUMP := $(CROSS_COMPILE)objdump + +BIN_FLAGS := -O binary -R .reginfo -R .note -R .comment -R .mdebug -S + +CFLAGS = -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \ + -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 \ + -mno-abicalls -fno-pic -ffunction-sections -pipe -mlong-calls \ + -fno-common -ffreestanding -fhonour-copts -mabi=32 -Wa,-32 +CFLAGS += -D_LZMA_PROB32 +CFLAGS += -I$(LINUX_DIR)/arch/rlx/include +CFLAGS += -I$(LINUX_DIR)/include/linux +CFLAGS += -I$(LINUX_DIR)/arch/rlx/bsp +CFLAGS += -I$(LINUX_DIR)/include +CFLAGS += -I$(LINUX_DIR)/arch/rlx/include/asm/mach-generic + +ASFLAGS = $(CFLAGS) -D__ASSEMBLY__ + +LDFLAGS = -static --gc-sections -no-warn-mismatch +LDFLAGS += -e startup -T loader.lds -Ttext $(LZMA_TEXT_START) + +O_FORMAT = $(shell $(OBJDUMP) -i | head -2 | grep elf32) + +OBJECTS := head.o loader.o cache.o board.o printf.o LzmaDecode.o + +# Realtek chips have different march'es, e.g. rlx4181 and rlx5281 +ifneq ($(strip $(MARCH)),) +CFLAGS += -Wa,-march=$(MARCH) -march=$(MARCH) +else +CFLAGS += -Wa,-march=rlx4181 -march=rlx4181 +endif + +# hacky way to get/define real kernel_entry address +# see image/Makefile and loader.c for details +ifneq ($(strip $(KERNELENTRY)),) +CFLAGS += -DKERNELENTRY=$(KERNELENTRY) +endif + +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 + +BOARD_DEF := $(shell echo $(strip $(BOARD)) | tr a-z A-Z | tr - _) +ifneq ($(BOARD_DEF),) +CFLAGS += -DCONFIG_BOARD_$(BOARD_DEF) +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 + + + |