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#
# Copyright (C) 2006-2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/image.mk

DROP_SECTIONS:=.reginfo .mdebug .comment .note .pdr .options .MIPS.options
OBJCOPY_SREC:=$(TARGET_CROSS)objcopy -S -O srec $(addprefix --remove-section=,$(DROP_SECTIONS))

LOADADDR:=0x94600000
KERNEL_ENTRY:=0x94100000
RAMSTART:=0x94000000
RAMSIZE:=0x00100000

EVA_LOADADDR := 0x94100000

LOADER_MAKEOPTS= \
        KDIR=$(KDIR) \
        LOADADDR=$(LOADADDR) \
        KERNEL_ENTRY=$(KERNEL_ENTRY) \
        RAMSTART=$(RAMSTART) \
        RAMSIZE=$(RAMSIZE)

CFLAGS := -D__KERNEL__ -Wall -Wstrict-prototypes -Wno-trigraphs -Os \
        -fno-strict-aliasing -fno-common -fomit-frame-pointer -G 0 -mno-abicalls -fno-pic \
        -pipe -mlong-calls -fno-common \
        -mabi=32 -march=mips32 -Wa,-32 -Wa,-march=mips32 -Wa,-mips32 -Wa,--trap \
        -DLOADADDR=$(LOADADDR)

define Build/Clean
        $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader $(LOADER_MAKEOPTS) clean
endef

define Image/Prepare
        cat $(KDIR)/vmlinux | $(STAGING_DIR_HOST)/bin/lzma e -si -so -eos -lc1 -lp2 -pb2 > $(KDIR)/vmlinux.lzma
        $(STAGING_DIR_HOST)/bin/lzma2eva $(EVA_LOADADDR) 0x$${shell $(TARGET_CROSS)nm $(KDIR)/vmlinux | grep -w kernel_entry | cut -d' ' -f1} $(KDIR)/vmlinux.lzma $(KDIR)/loader.eva

        $(MAKE) -C $(GENERIC_PLATFORM_DIR)/image/lzma-loader \
                $(LOADER_MAKEOPTS) \
                clean compile
        $(OBJCOPY_SREC) $(KDIR)/loader.elf $(KDIR)/loader.srec
        $(OBJCOPY_SREC) $(KDIR)/vmlinux.elf $(KDIR)/vmlinux.srec
        srec2bin $(KDIR)/loader.srec $(KDIR)/loader.bin
        srec2bin $(KDIR)/vmlinux.srec $(KDIR)/vmlinux.bin
ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),)
        $(OBJCOPY_SREC) $(KDIR)/vmlinux-initramfs.elf \
                $(KDIR)/vmlinux-initramfs.srec
        srec2bin $(KDIR)/vmlinux-initramfs.srec $(KDIR)/vmlinux-initramfs.bin
endif
endef

define align/jffs2-64k
bs=65536 conv=sync
endef

define align/jffs2-128k
bs=131072 conv=sync
endef

define align/squashfs
endef

define Image/Build/CyberTAN
        (dd if=/dev/zero bs=16 count=1; cat $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin) | \
                $(STAGING_DIR_HOST)/bin/addpattern -p $(3) -o $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(4)-code.bin
endef

define Image/Build/Titan
        $(STAGING_DIR_HOST)/bin/mktitanimg -o $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(4)-code.bin -i $(KDIR)/loader.bin $(KDIR)/root.$(1) -a 0x10000 0x10000 -h 2  -p 0x4C575943 -s 0x0b010000
        $(STAGING_DIR_HOST)/bin/mktitanimg -o $(BIN_DIR)/$(IMG_PREFIX)-$(2)-na-$(4)-code.bin -i $(KDIR)/loader.bin $(KDIR)/root.$(1) -a 0x10000 0x10000 -h 2  -p 0x4D575943 -s 0x0b010000
endef

define Image/Build/AudioCodes
        ( dd if=$(KDIR)/vmlinux.elf bs=64k conv=sync ; dd if=$(KDIR)/root.$(1) ) > $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(1).bin
endef

#define Image/Build/sErCoMm
#       cat sercomm/adam2.bin "$(BIN_DIR)/$(IMG_PREFIX)-$(1).bin" > "$(KDIR)/dgfw.tmp"
#       dd if=sercomm/$(2) of="$(KDIR)/dgfw.tmp" bs=$$$$((0x3e0000 - 80)) seek=1 conv=notrunc
#       $(STAGING_DIR_HOST)/bin/dgfirmware -f -w "$(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(3).img" "$(KDIR)/dgfw.tmp"
#       rm -f "$(KDIR)/dgfw.tmp"
#endef

define Image/Build/EVA
        dd if=$(KDIR)/loader.eva $(call align/$(1)) > $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(KERNEL)-$(1).bin
        cat $(KDIR)/root.$(1) >> $(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(KERNEL)-$(1).bin
        $(call prepare_generic_squashfs,$(BIN_DIR)/$(IMG_PREFIX)-$(2)-$(KERNEL)-$(1).bin)
endef

define Image/Build/Initramfs
        $(CP) $(KDIR)/vmlinux-initramfs.bin $(BIN_DIR)/$(IMG_PREFIX)-initramfs.bin
endef

ifeq ($(CONFIG_AR7_TI),y)
define Image/Build
        dd if=$(KDIR)/loader.bin $(call align/$(1)) > $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
        cat $(KDIR)/root.$(1) >> $(BIN_DIR)/$(IMG_PREFIX)-$(1).bin
        $(call prepare_generic_squashfs,$(BIN_DIR)/$(IMG_PREFIX)-$(1).bin)
        $(call Image/Build/CyberTAN,$(1),AG1B,AG1B,$(1))
        $(call Image/Build/CyberTAN,$(1),AG1A,AG1A,$(1))
        $(call Image/Build/CyberTAN,$(1),WA21,WA21,$(1))
        $(call Image/Build/CyberTAN,$(1),WA22,WA22,$(1))
        $(call Image/Build/CyberTAN,$(1),WAG2,WAG2,$(1))
        $(call Image/Build/CyberTAN,$(1),AG310,AV2A -b -r 1.0,$(1))
        $(call Image/Build/CyberTAN,$(1),AG241v2,AG3A -b -r 2.0,$(1))
        $(call Image/Build/CyberTAN,$(1),AG241v2b,AG3B -b -r 2.0,$(1))
        $(call Image/Build/CyberTAN,$(1),AG241v1,AG3A -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WAG54GP2v1,ATWL -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WAG54GP2v2,CTWL -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WA31,WA31 -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WA32,WA32 -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WA7A,WA7A -b,$(1))
        $(call Image/Build/CyberTAN,$(1),WA7B,WA7B -b,$(1))
#       $(call Image/Build/sErCoMm,$(1),dg834,$(1))
#       $(call Image/Build/sErCoMm,$(1),jdr454wb,$(1))
        $(call Image/Build/EVA,$(1),EVA)
        $(call Image/Build/Titan,$(1),Titan,Titan,$(1))
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
        $(call Image/Build/Initramfs)
endif
endef
endif

ifeq ($(CONFIG_AR7_AC49X),y)
define Image/Build
#       $(call prepare_generic_squashfs,$(BIN_DIR)/$(IMG_PREFIX)-$(1).bin)
        $(call Image/Build/AudioCodes,$(1),mp202,$(1))
ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
        $(call Image/Build/Initramfs)
endif
endef
endif

$(eval $(call BuildImage))