1#
2# Copyright (C) 2008-2015 OpenWrt.org
3#
4# This is free software, licensed under the GNU General Public License v2.
5# See /LICENSE for more information.
6#
7
8### DO NOT INDENT LINES CONTAINING $(call xyz) AS THIS MAY CHANGE THE CONTEXT
9### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
10### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
11### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
12
13### use round brackets for make variables, and curly brackets for shell variables
14
15
16## Kernel mtd partition size in KiB
17KERNEL_MTD_SIZE:=1280
18
19# Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
20ERASE_SIZE_128K:=128
21
22# Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
23ERASE_SIZE_64K:=64
24
25# define JFFS2 sizes for include/image.mk
26JFFS2_BLOCKSIZE:=64k 128k
27
28
29###
30### Image/BuildKernel
31###
32
33define Image/BuildKernel
34### Dummy comment for indented calls of Image/BuildKernel
35
36 ## Netgear WN802T: mach id 3306 (0x0cea)
37$(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
38$(call Image/BuildKernel/ARM/uImage,wn802t)
39ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
40$(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3",-initramfs)
41$(call Image/BuildKernel/ARM/uImage,wn802t,-initramfs)
42endif
43 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
44$(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
45$(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
46 endif
47
48 ## Netgear WNR854T: mach id 1801 (0x0709)
49$(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
50$(call Image/BuildKernel/ARM/uImage,wnr854t)
51ifeq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)
52$(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3",-initramfs)
53$(call Image/BuildKernel/ARM/uImage,wnr854t,-initramfs)
54endif
55 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
56$(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
57$(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
58 endif
59
60 ## Linksys WRT350N v2: mach id 1633 (0x0661)
61$(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
62$(call Image/BuildKernel/ARM/uImage,wrt350nv2)
63ifeq ($($CONFIG_TARGET_ROOTFS_INITRAMFS),y)
64$(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3",-initramfs)
65$(call Image/BuildKernel/ARM/uImage,wrt350nv2-initramfs)
66endif
67 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y)  # nothing more to do for a ramdisk build
68$(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
69 endif
70endef
71
72define Image/BuildKernel/ARM/zImage
73 # merge machine id and regular zImage into one file
74 # parameters: 1 = machine name, 2 = machine id as string in quotes
75	# $(BOARD) kernel zImage for $(1)
76	echo -en $(2) > '$(KDIR)/$(1)-zImage$(3)'
77	cat '$(KDIR)/zImage$(3)' >> '$(KDIR)/$(1)-zImage$(3)'
78endef
79
80define Image/BuildKernel/ARM/uImage
81 # create uImage from zImage
82 # parameters: 1 = machine name
83	# $(BOARD) kernel uImage for $(1)
84	'$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
85	-C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
86	-d '$(KDIR)/$(1)-zImage$(2)' '$(KDIR)/$(1)-uImage$(2)'
87 ifeq ($(2),-initramfs) # only copy uImage for ramdisk build
88	cp '$(KDIR)/$(1)-uImage-initramfs' '$(BIN_DIR)/openwrt-$(1)-uImage-initramfs'
89 endif
90endef
91
92define Image/BuildKernel/JFFS2uImage
93 # create JFFS2 partition with uImage file (result is already padded to erase size)
94 # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
95	# $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
96	rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
97	mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
98	cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
99	$(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
100	rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
101endef
102
103define Image/Default/FileSizeCheck
104 # parameters: 1 = file path, 2 = maximum size in bytes
105	[ `stat -c %s '$(1)'` -le $(2) ] || { echo '   ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
106endef
107
108
109###
110### Image/Build
111###
112
113define Image/Build
114### Dummy comment for indented calls of Image/Build with $(1)
115
116 ## Prepare rootfs
117$(call Image/Build/$(1),$(1))
118
119 ## Netgear WN802T
120$(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
121
122 ## Netgear WNR854T
123$(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
124
125 ## Linksys WRT350N v2
126$(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
127endef
128
129define Image/Build/squashfs
130$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
131endef
132
133## generate defines for all JFFS2 block sizes
134define Image/Build/jffs2/sub
135 $(eval define Image/Build/jffs2-$(1)
136	cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
137 endef)
138endef
139
140$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
141
142define Image/Build/Default
143 # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
144 ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
145  ifeq ($(1),jffs2-$(3)k)
146$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
147$(call Image/Build/Default/factory,$(1),$(2),$(6))
148  endif
149 else
150  ifeq ($(1),ext4)  # EXT4: ignore
151   # do nothing
152  else  # do all other images
153$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
154$(call Image/Build/Default/factory,$(1),$(2),$(6))
155  endif
156 endif
157endef
158
159define Image/Build/Default/sysupgrade
160 # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
161	# $(BOARD) $(1) sysupgrade image for $(2)
162	( \
163		dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
164		dd if='$(KDIR)/root.$(1)'; \
165	) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
166endef
167
168define Image/Build/Default/factory
169 # parameters: 1 = rootfs type, 2 = machine name, 3 = header
170	# $(BOARD) $(1) factory upgrade image for $(2)
171	'$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
172endef
173
174##
175## Image/Build/Linksys
176##
177
178define Image/Build/Linksys/wrt350nv2
179 # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
180 ifeq ($(findstring jffs2-,$(1)),jffs2-)  # JFFS2: build only image fitting to erase size
181  ifeq ($(1),jffs2-$(3)k)
182$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
183$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
184  endif
185 else
186  ifeq ($(1),ext4)  # EXT4: ignore
187   # do nothing
188  else  # do all other images
189$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
190$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
191  endif
192 endif
193endef
194
195define Image/Build/Linksys/wrt350nv2-builder
196 # parameters: 1 = rootfs type, 2 = machine name
197	# $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
198	rm -rf '$(TMP_DIR)/$(2)_factory'
199	mkdir '$(TMP_DIR)/$(2)_factory'
200 # create parameter file
201	echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
202	[ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
203		echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
204	)
205	echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
206 # create bin file for recovery and factory image
207	( \
208		cd '$(TMP_DIR)/$(2)_factory'; \
209		'$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
210	)
211 # copy bin file as recovery image
212	$(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
213 # create factory image for stock firmware update mechanism
214	( \
215		cd '$(TMP_DIR)/$(2)_factory'; \
216		zip 'wrt350n.zip' 'wrt350n.bin'; \
217	)
218	'$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
219	rm -rf '$(TMP_DIR)/$(2)_factory'
220endef
221
222
223###
224### Image/PreReq
225###
226
227## Dependency for WRT350N v2 factory image
228$(eval $(call RequireCommand,zip, \
229	Please install zip. \
230))
231