Root/target/linux/orion/image/generic.mk

1#
2# Copyright (C) 2008-2012 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 $(call xyz) AS THIS MAY CHANGE THE CONTEXT
9### OF THE FIRST LINE IN THE CALLED VARIABLE (NOTE: variable!)
10### see http://www.gnu.org/software/make/manual/html_node/Call-Function.html#Call-Function
11### ACTUALLY IT IS A SIMPLE MACRO EXPANSION
12
13### use round brackets for make variables, and curly brackets for shell variables
14
15
16## Kernel mtd partition size in KiB
17KERNEL_MTD_SIZE:=1024
18
19# Netgear WNR854T: erase size is 128KiB = 0x00020000 = 131072
20ERASE_SIZE_128K:=128
21
22# Linksys WRT350N v2: erase size is 64KiB = 0x00010000 = 65536
23ERASE_SIZE_64K:=64
24
25# define JFFS2 sizes for include/image.mk
26JFFS2_BLOCKSIZE:=64k 128k
27
28
29###
30### Image/Prepare
31###
32
33define Image/Prepare
34### Dummy comment for indented calls of Image/Prepare
35    cp '$(LINUX_DIR)/arch/arm/boot/zImage' '$(BIN_DIR)/$(IMG_PREFIX)-zImage'
36endef
37
38
39###
40### Image/BuildKernel
41###
42
43define Image/BuildKernel
44### Dummy comment for indented calls of Image/BuildKernel
45
46 ## Netgear WN802T: mach id 3306 (0x0cea)
47$(call Image/BuildKernel/ARM/zImage,wn802t,"\x0c\x1c\xa0\xe3\xea\x10\x81\xe3")
48$(call Image/BuildKernel/ARM/uImage,wn802t)
49 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
50$(call Image/BuildKernel/JFFS2uImage,wn802t,$(ERASE_SIZE_64K),uImage)
51$(call Image/Default/FileSizeCheck,$(KDIR)/wn802t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
52 endif
53
54 ## Netgear WNR854T: mach id 1801 (0x0709)
55$(call Image/BuildKernel/ARM/zImage,wnr854t,"\x07\x1c\xa0\xe3\x09\x10\x81\xe3")
56$(call Image/BuildKernel/ARM/uImage,wnr854t)
57 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
58$(call Image/BuildKernel/JFFS2uImage,wnr854t,$(ERASE_SIZE_128K),uImage)
59$(call Image/Default/FileSizeCheck,$(KDIR)/wnr854t-uImage.jffs2,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
60 endif
61
62 ## Linksys WRT350N v2: mach id 1633 (0x0661)
63$(call Image/BuildKernel/ARM/zImage,wrt350nv2,"\x06\x1c\xa0\xe3\x61\x10\x81\xe3")
64$(call Image/BuildKernel/ARM/uImage,wrt350nv2)
65 ifneq ($(CONFIG_TARGET_ROOTFS_INITRAMFS),y) # nothing more to do for a ramdisk build
66$(call Image/Default/FileSizeCheck,$(KDIR)/wrt350nv2-uImage,$(shell expr $(KERNEL_MTD_SIZE) \* 1024))
67 endif
68endef
69
70define Image/BuildKernel/ARM/zImage
71 # merge machine id and regular zImage into one file
72 # parameters: 1 = machine name, 2 = machine id as string in quotes
73    # $(BOARD) kernel zImage for $(1)
74    echo -en $(2) > '$(KDIR)/$(1)-zImage'
75    cat '$(LINUX_DIR)/arch/arm/boot/zImage' >> '$(KDIR)/$(1)-zImage'
76    cp '$(KDIR)/$(1)-zImage' '$(BIN_DIR)/openwrt-$(1)-zImage'
77endef
78
79define Image/BuildKernel/ARM/uImage
80 # create uImage from zImage
81 # parameters: 1 = machine name
82    # $(BOARD) kernel uImage for $(1)
83    '$(STAGING_DIR_HOST)/bin/mkimage' -A arm -O linux -T kernel \
84    -C none -a 0x00008000 -e 0x00008000 -n 'Linux-$(LINUX_VERSION)' \
85    -d '$(KDIR)/$(1)-zImage' '$(KDIR)/$(1)-uImage'
86    cp '$(KDIR)/$(1)-uImage' '$(BIN_DIR)/openwrt-$(1)-uImage'
87endef
88
89define Image/BuildKernel/JFFS2uImage
90 # create JFFS2 partition with uImage file (result is already padded to erase size)
91 # parameters: 1 = machine name, 2 = erase size in KiB, 3 = uImage file name
92    # $(BOARD) kernel uImage for $(1) in JFFS2-$(2)k partition
93    rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
94    mkdir '$(TMP_DIR)/$(1)_jffs2_uimage'
95    cp '$(KDIR)/$(1)-uImage' '$(TMP_DIR)/$(1)_jffs2_uimage/$(3)'
96    $(STAGING_DIR_HOST)/bin/mkfs.jffs2 --compression-mode=none --pad --little-endian --squash -e $(2)KiB -o '$(KDIR)/$(1)-uImage.jffs2' -d '$(TMP_DIR)/$(1)_jffs2_uimage'
97    rm -rf '$(TMP_DIR)/$(1)_jffs2_uimage'
98endef
99
100define Image/Default/FileSizeCheck
101 # parameters: 1 = file path, 2 = maximum size in bytes
102    [ `stat -c %s '$(1)'` -le $(2) ] || { echo ' ERROR: $(1) too big (> $(2) bytes)'; exit 1; }
103endef
104
105
106###
107### Image/Build
108###
109
110define Image/Build
111### Dummy comment for indented calls of Image/Build with $(1)
112
113 ## Prepare rootfs
114$(call Image/Build/$(1),$(1))
115
116 ## Netgear WN802T
117$(call Image/Build/Default,$(1),wn802t,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),.jffs2,NG_WN802T)
118
119 ## Netgear WNR854T
120$(call Image/Build/Default,$(1),wnr854t,$(ERASE_SIZE_128K),$(KERNEL_MTD_SIZE),.jffs2,NG_WNR854T)
121
122 ## Linksys WRT350N v2
123$(call Image/Build/Linksys/wrt350nv2,$(1),wrt350nv2,$(ERASE_SIZE_64K),$(KERNEL_MTD_SIZE),)
124endef
125
126define Image/Build/squashfs
127$(call prepare_generic_squashfs,$(KDIR)/root.squashfs)
128    cp '$(KDIR)/root.squashfs' '$(BIN_DIR)/$(IMG_PREFIX)-root.squashfs'
129endef
130
131## generate defines for all JFFS2 block sizes
132define Image/Build/jffs2/sub
133 $(eval define Image/Build/jffs2-$(1)
134    cp '$$(KDIR)/root.jffs2-$(1)' '$$(BIN_DIR)/$$(IMG_PREFIX)-root.jffs2-$(1)'
135 endef)
136endef
137
138$(foreach SZ,$(JFFS2_BLOCKSIZE),$(call Image/Build/jffs2/sub,$(SZ)))
139
140define Image/Build/Default
141 # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix, 6 = header
142 ifeq ($(findstring jffs2-,$(1)),jffs2-) # JFFS2: build only image fitting to erase size
143  ifeq ($(1),jffs2-$(3)k)
144$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
145$(call Image/Build/Default/factory,$(1),$(2),$(6))
146  endif
147 else
148  ifeq ($(1),ext4) # EXT4: ignore
149   # do nothing
150  else # do all other images
151$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
152$(call Image/Build/Default/factory,$(1),$(2),$(6))
153  endif
154 endif
155endef
156
157define Image/Build/Default/sysupgrade
158 # parameters: 1 = rootfs type, 2 = machine name, 3 = pad size in KiB (kernel mtd size or erase size), 4 = kernel file suffix
159    # $(BOARD) $(1) sysupgrade image for $(2)
160    ( \
161        dd if='$(KDIR)/$(2)-uImage$(4)' bs=$(3)k conv=sync; \
162        dd if='$(KDIR)/root.$(1)'; \
163    ) > '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img'
164endef
165
166define Image/Build/Default/factory
167 # parameters: 1 = rootfs type, 2 = machine name, 3 = header
168    # $(BOARD) $(1) factory upgrade image for $(2)
169    '$(STAGING_DIR_HOST)/bin/add_header' $(3) '$(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
170endef
171
172##
173## Image/Build/Linksys
174##
175
176define Image/Build/Linksys/wrt350nv2
177 # parameters: 1 = rootfs type, 2 = machine name, 3 = erase size in KiB, 4 = kernel mtd size in KiB, 5 = kernel file suffix
178 ifeq ($(findstring jffs2-,$(1)),jffs2-) # JFFS2: build only image fitting to erase size
179  ifeq ($(1),jffs2-$(3)k)
180$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
181$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
182  endif
183 else
184  ifeq ($(1),ext4) # EXT4: ignore
185   # do nothing
186  else # do all other images
187$(call Image/Build/Default/sysupgrade,$(1),$(2),$(4),$(5))
188$(call Image/Build/Linksys/wrt350nv2-builder,$(1),$(2))
189  endif
190 endif
191endef
192
193define Image/Build/Linksys/wrt350nv2-builder
194 # parameters: 1 = rootfs type, 2 = machine name
195    # $(BOARD) $(1) factory and recovery image for $(2) via wrt350nv2-builder
196    rm -rf '$(TMP_DIR)/$(2)_factory'
197    mkdir '$(TMP_DIR)/$(2)_factory'
198 # create parameter file
199    echo ':image 0 $(BIN_DIR)/openwrt-$(2)-$(1)-sysupgrade.img' > '$(TMP_DIR)/$(2)_factory/$(2).par'
200    [ ! -f '$(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' ] || ( \
201        echo ':u-boot 0 $(STAGING_DIR_HOST)/share/wrt350nv2-builder/u-boot.bin' >> '$(TMP_DIR)/$(2)_factory/$(2).par'; \
202    )
203    echo '#version 0x2020' >> '$(TMP_DIR)/$(2)_factory/$(2).par'
204 # create bin file for recovery and factory image
205    ( \
206        cd '$(TMP_DIR)/$(2)_factory'; \
207        '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -b '$(TMP_DIR)/$(2)_factory/$(2).par'; \
208    )
209 # copy bin file as recovery image
210    $(CP) '$(TMP_DIR)/$(2)_factory/wrt350n.bin' '$(BIN_DIR)/openwrt-$(2)-$(1)-recovery.bin'
211 # create factory image for stock firmware update mechanism
212    ( \
213        cd '$(TMP_DIR)/$(2)_factory'; \
214        zip 'wrt350n.zip' 'wrt350n.bin'; \
215    )
216    '$(STAGING_DIR_HOST)/bin/wrt350nv2-builder' -z '$(TMP_DIR)/$(2)_factory/wrt350n.zip' '$(BIN_DIR)/openwrt-$(2)-$(1)-factory.img'
217    rm -rf '$(TMP_DIR)/$(2)_factory'
218endef
219
220
221###
222### Image/PreReq
223###
224
225## Dependency for WRT350N v2 factory image
226$(eval $(call RequireCommand,zip, \
227    Please install zip. \
228))
229

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