1#
2# Copyright (C) 2006-2015 OpenWrt.org
3# Copyright (C) 2016 LEDE project
4#
5# This is free software, licensed under the GNU General Public License v2.
6# See /LICENSE for more information.
7#
8include $(TOPDIR)/rules.mk
9include $(INCLUDE_DIR)/image.mk
10
11LOADADDR = 0x80010000		# RAM start + 64K
12KERNEL_ENTRY = $(LOADADDR)	# Newer kernels add a jmp to the kernel_entry at the start of the binary
13LOADER_ENTRY = 0x80a00000	# RAM start + 10M, for relocate
14RAMSIZE = 0x02000000		# 32MB
15LZMA_TEXT_START = 0x81800000	# 32MB - 8MB
16
17LOADER_MAKEOPTS= \
18		KDIR=$(KDIR) \
19		LOADADDR=$(LOADADDR) \
20		KERNEL_ENTRY=$(KERNEL_ENTRY) \
21		RAMSIZE=$(RAMSIZE) \
22		LZMA_TEXT_START=$(LZMA_TEXT_START) \
23
24RELOCATE_MAKEOPTS= \
25		CACHELINE_SIZE=16 \
26		KERNEL_ADDR=$(KERNEL_ENTRY) \
27		CROSS_COMPILE=$(TARGET_CROSS) \
28		LZMA_TEXT_START=$(LOADER_ENTRY)
29
30define Build/Compile
31	rm -rf $(KDIR)/relocate
32	$(CP) ../../generic/image/relocate $(KDIR)
33	$(MAKE) -C $(KDIR)/relocate $(RELOCATE_MAKEOPTS)
34endef
35
36### Kernel scripts ###
37define Build/append-dtb
38	$(call Image/BuildDTB,../dts/$(DEVICE_DTS).dts,$@.dtb)
39	cat $@.dtb >> $@
40endef
41
42define 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)
46	mv $@.hcs $@
47endef
48
49define Build/loader-lzma
50	rm -rf $@.src
51	$(MAKE) -C lzma-loader \
52		$(LOADER_MAKEOPTS) \
53		PKG_BUILD_DIR="$@.src" \
54		TARGET_DIR="$(dir $@)" \
55		LOADER_DATA="$@" \
56		LOADER_NAME="$(notdir $@)" \
57		compile loader.$(1)
58	mv "$@.$(1)" "$@"
59	rm -rf $@.src
60endef
61
62define Build/lzma
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
68	mv $@.lzma $@
69endef
70
71define Build/lzma-cfe
72	# Strip out the length, CFE doesn't like this
73	dd if=$@ of=$@.lzma.cfe bs=5 count=1
74	dd if=$@ of=$@.lzma.cfe ibs=13 obs=5 skip=1 seek=1 conv=notrunc
75	mv $@.lzma.cfe $@
76endef
77
78define Build/relocate-kernel
79	# CFE only allows ~4 MiB for the uncompressed kernels, but uncompressed
80	# kernel might get larger than that, so let CFE unpack and load at a
81	# higher address and make the kernel relocate itself to the expected
82	# location.
83	( \
84		dd if=$(KDIR)/relocate/loader.bin bs=32 conv=sync && \
85		perl -e '@s = stat("$@"); print pack("N", @s[7])' && \
86		cat $@ \
87	) > $@.relocate
88	mv $@.relocate $@
89endef
90
91### Image scripts ###
92define rootfspad/jffs2-128k
93--align-rootfs
94endef
95define rootfspad/jffs2-64k
96--align-rootfs
97endef
98define rootfspad/squashfs
99endef
100
101define Image/LimitName16
102$(shell expr substr "$(1)" 1 16)
103endef
104
105define Image/FileSystemStrip
106$(subst root.,,$(notdir $(1)))
107endef
108
109define Build/cfe-bin
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,$(word 2,$^))) \
116		$(CFE_EXTRAS) $(1)
117endef
118
119define 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 $(word 2,$^) \
124		$(CFE_EXTRAS)
125endef
126
127define 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,$(word 2,$^))) \
132		$(CFE_EXTRAS) $(1)
133endef
134
135define Build/spw303v-bin
136	$(STAGING_DIR_HOST)/bin/spw303v -i $@ -o $@.spw303v
137	mv $@.spw303v $@
138endef
139
140define Build/xor-image
141	$(STAGING_DIR_HOST)/bin/xorimage -i $@ -o $@.xor
142	mv $@.xor $@
143endef
144
145define Build/zyxel-bin
146	$(STAGING_DIR_HOST)/bin/zyxbcm -i $@ -o $@.zyxel
147	mv $@.zyxel $@
148endef
149
150define Build/redboot-bin
151	# Prepare kernel and rootfs
152	dd if=$(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="$@.redbootscript.padded" bs=4096 conv=sync
162	cat \
163		"$@.redbootscript.padded" \
164		"$(BIN_DIR)/$(REDBOOT_PREFIX)-vmlinux.gz" \
165		"$(BIN_DIR)/$(REDBOOT_PREFIX)-$(notdir $(word 2,$^))" \
166		> "$@"
167endef
168
169define Device/Default
170  PROFILES = Default $$(DEVICE_NAME)
171  KERNEL_DEPENDS = $$(wildcard ../dts/$$(DEVICE_DTS).dts)
172  KERNEL_INITRAMFS_SUFFIX := .elf
173  DEVICE_DTS :=
174endef
175DEVICE_VARS += DEVICE_DTS
176
177ATH5K_PACKAGES := kmod-ath5k wpad-mini
178ATH9K_PACKAGES := kmod-ath9k wpad-mini
179B43_PACKAGES := kmod-b43 wpad-mini
180BRCMWL_PACKAGES := kmod-brcm-wl nas wlc
181RT28_PACKAGES := kmod-rt2800-pci wpad-mini
182RT61_PACKAGES := kmod-rt61-pci wpad-mini
183USB1_PACKAGES := kmod-usb-ohci kmod-ledtrig-usbdev
184USB2_PACKAGES := kmod-usb2 kmod-usb-ohci kmod-ledtrig-usbdev
185
186include bcm63xx.mk
187
188$(eval $(call BuildImage))
189