2 # Copyright (C) 2006-2015 OpenWrt.org
3 # Copyright (C) 2016 LEDE project
5 # This is free software, licensed under the GNU General Public License v2.
6 # See /LICENSE for more information.
8 include $(TOPDIR)/rules.mk
9 include $(INCLUDE_DIR)/image.mk
11 LOADADDR = 0x80010000 # RAM start + 64K
12 KERNEL_ENTRY = $(LOADADDR) # Newer kernels add a jmp to the kernel_entry at the start of the binary
13 LOADER_ENTRY = 0x80a00000 # RAM start + 10M, for relocate
14 RAMSIZE = 0x02000000 # 32MB
15 LZMA_TEXT_START = 0x81800000 # 32MB - 8MB
19 LOADADDR=$(LOADADDR) \
20 KERNEL_ENTRY=$(KERNEL_ENTRY) \
22 LZMA_TEXT_START=$(LZMA_TEXT_START) \
26 KERNEL_ADDR=$(KERNEL_ENTRY) \
27 CROSS_COMPILE=$(TARGET_CROSS) \
28 LZMA_TEXT_START=$(LOADER_ENTRY)
31 rm -rf $(KDIR)/relocate
32 $(CP) ../../generic/image/relocate $(KDIR)
33 $(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
36 ### Kernel scripts ###
37 define Build/append-dtb
38 $(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
42 define Build/hcs-initramfs
43 $(STAGING_DIR_HOST)/bin/hcsmakeimage --magic_bytes=$(HCS_MAGIC_BYTES) \
44 --rev_maj=$(HCS_REV_MAJ) --rev_min=$(HCS_REV_MIN) --input_file=$@ \
45 --output_file=$@.hcs --ldaddress=$(LOADADDR)
49 define Build/loader-lzma
51 $(MAKE) -C lzma-loader \
53 PKG_BUILD_DIR="$@.src" \
54 TARGET_DIR="$(dir $@)" \
56 LOADER_NAME="$(notdir $@)" \
63 # CFE is a LZMA nazi! It took me hours to find out the parameters!
64 # Also I think lzma has a bug cause it generates different output depending on
65 # if you use stdin / stdout or not. Use files instead of stdio here, cause
66 # otherwise CFE will complain and not boot the image.
67 $(STAGING_DIR_HOST)/bin/lzma e $@ -d22 -fb64 -a1 $@.lzma
72 # Strip out the length, CFE doesn't like this
73 dd if=$@ of=$@.lzma.cfe bs=5 count=1
74 dd if=$@ of=$@.lzma.cfe ibs=13 obs=5 skip=1 seek=1 conv=notrunc
78 define Build/relocate-kernel
79 # CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
80 # kernel might get larger than that, so let CFE unpack and load at a
81 # higher address and make the kernel relocate itself to the expected
84 dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
85 perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
92 define rootfspad/jffs2-128k
95 define rootfspad/jffs2-64k
98 define rootfspad/squashfs
101 define Image/LimitName16
102 $(shell expr substr "$(1)" 1 16)
105 define Image/FileSystemStrip
106 $(subst root.,,$(notdir $(1)))
110 $(STAGING_DIR_HOST)/bin/imagetag -i $(word 1,$^) -f $(word 2,$^) \
111 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
112 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
113 --info1 "$(call Image/LimitName16,$(DEVICE_NAME))" \
114 --info2 "$(call Image/FileSystemStrip,$(word 2,$^))" \
115 $(call rootfspad/$(call Image/FileSystemStrip,$(word 2,$^))) \
119 define Build/cfe-old-bin
120 $(TOPDIR)/scripts/brcmImage.pl -t -p \
121 -o $@ -b $(CFE_BOARD_ID) -c $(CFE_CHIP_ID) \
122 -e $(LOADER_ENTRY) -a $(LOADER_ENTRY) \
123 -k $(word 1,$^) -r $(word 2,$^) \
127 define Build/cfe-spw303v-bin
128 $(STAGING_DIR_HOST)/bin/imagetag -i $(word 1,$^) -f $(word 2,$^) \
129 --output $@ --boardid $(CFE_BOARD_ID) --chipid $(CFE_CHIP_ID) \
130 --entry $(LOADER_ENTRY) --load-addr $(LOADER_ENTRY) \
131 $(call rootfspad/$(call Image/FileSystemStrip,$(word 2,$^))) \
135 define Build/spw303v-bin
136 $(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
140 define Build/xor-image
141 $(STAGING_DIR_HOST)/bin/xorimage -i $@ -o $@.xor
145 define Build/zyxel-bin
146 $(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
150 define Build/redboot-bin
151 # Prepare kernel and rootfs
152 dd if=$(word 1,$^) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz bs=65536 conv=sync
153 dd if=$(word 2,$^) of=$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^)) bs=64k conv=sync
154 echo -ne \\xDE\\xAD\\xC0\\xDE >> $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^))
155 # Generate the scripted image
156 $(TOPDIR)/scripts/redboot-script.pl \
157 -k $(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz \
158 -r $(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^)) \
159 -a $(strip $(LOADADDR)) -f 0xbe430000 -l 0x7c0000 \
160 -s 0x1000 -t 20 -o $@.redbootscript
161 dd if="$@.redbootscript" of="$@.redbootscript.padded" bs=4096 conv=sync
163 "$@.redbootscript.padded" \
164 "$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
165 "$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^))" \
169 define Device/Default
171 KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
172 KERNEL_INITRAMFS_IMAGE = $$(KERNEL_INITRAMFS_PREFIX).elf
175 DEVICE_VARS += DEVICE_DTS
177 ATH5K_PACKAGES := kmod-ath5k wpad-mini
178 ATH9K_PACKAGES := kmod-ath9k wpad-mini
179 B43_PACKAGES := kmod-b43 wpad-mini
180 BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
181 RT28_PACKAGES := kmod-rt2800-pci wpad-mini
182 RT61_PACKAGES := kmod-rt61-pci wpad-mini
183 USB1_PACKAGES := kmod-usb-ohci kmod-ledtrig-usbdev
184 USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-ledtrig-usbdev
188 $(eval $(call BuildImage))