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Raspi2-3_GenImage
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1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi23-gen-image.sh 2015-2017
5 5 #
6 6 # Advanced Debian "jessie", "stretch" and "buster" bootstrap script for RPi2/3
7 7 #
8 8 # This program is free software; you can redistribute it and/or
9 9 # modify it under the terms of the GNU General Public License
10 10 # as published by the Free Software Foundation; either version 2
11 11 # of the License, or (at your option) any later version.
12 12 #
13 13 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
14 14 #
15 15 # Big thanks for patches and enhancements by 20+ github contributors!
16 16 ########################################################################
17 17
18 18 # Are we running as root?
19 19 if [ "$(id -u)" -ne "0" ] ; then
20 20 echo "error: this script must be executed with root privileges!"
21 21 exit 1
22 22 fi
23 23
24 24 # Check if ./functions.sh script exists
25 25 if [ ! -r "./functions.sh" ] ; then
26 26 echo "error: './functions.sh' required script not found!"
27 27 exit 1
28 28 fi
29 29
30 30 # Load utility functions
31 31 . ./functions.sh
32 32
33 33 # Load parameters from configuration template file
34 34 if [ ! -z "$CONFIG_TEMPLATE" ] ; then
35 35 use_template
36 36 fi
37 37
38 38 # Introduce settings
39 39 set -e
40 40 echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
41 41 set -x
42 42
43 43 # Raspberry Pi model configuration
44 44 RPI_MODEL=${RPI_MODEL:=2}
45 45
46 46 # Debian release
47 47 RELEASE=${RELEASE:=jessie}
48 48
49 49 #Kernel Branch
50 50 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
51 51
52 52 # URLs
53 53 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
54 54 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
55 55 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
56 56 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
57 57 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
58 58 UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
59 59
60 60 # Build directories
61 61 BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
62 62 BUILDDIR="${BASEDIR}/build"
63 63
64 64 # Prepare date string for default image file name
65 65 DATE="$(date +%Y-%m-%d)"
66 66 if [ -z "$KERNEL_BRANCH" ] ; then
67 67 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
68 68 else
69 69 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
70 70 fi
71 71
72 72 # Chroot directories
73 73 R="${BUILDDIR}/chroot"
74 74 ETC_DIR="${R}/etc"
75 75 LIB_DIR="${R}/lib"
76 76 BOOT_DIR="${R}/boot/firmware"
77 77 KERNEL_DIR="${R}/usr/src/linux"
78 78 WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
79 79
80 80 # Firmware directory: Blank if download from github
81 81 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
82 82
83 83 # General settings
84 84 SET_ARCH=${SET_ARCH}
85 85 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
86 86 PASSWORD=${PASSWORD:=raspberry}
87 87 USER_PASSWORD=${USER_PASSWORD:=raspberry}
88 88 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
89 89 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
90 90 EXPANDROOT=${EXPANDROOT:=true}
91 91
92 92 # Keyboard settings
93 93 XKB_MODEL=${XKB_MODEL:=""}
94 94 XKB_LAYOUT=${XKB_LAYOUT:=""}
95 95 XKB_VARIANT=${XKB_VARIANT:=""}
96 96 XKB_OPTIONS=${XKB_OPTIONS:=""}
97 97
98 98 # Network settings (DHCP)
99 99 ENABLE_DHCP=${ENABLE_DHCP:=true}
100 100
101 101 # Network settings (static)
102 102 NET_ADDRESS=${NET_ADDRESS:=""}
103 103 NET_GATEWAY=${NET_GATEWAY:=""}
104 104 NET_DNS_1=${NET_DNS_1:=""}
105 105 NET_DNS_2=${NET_DNS_2:=""}
106 106 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
107 107 NET_NTP_1=${NET_NTP_1:=""}
108 108 NET_NTP_2=${NET_NTP_2:=""}
109 109
110 110 # APT settings
111 111 APT_PROXY=${APT_PROXY:=""}
112 112 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
113 113
114 114 # Feature settings
115 115 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
116 116 ENABLE_I2C=${ENABLE_I2C:=false}
117 117 ENABLE_SPI=${ENABLE_SPI:=false}
118 118 ENABLE_IPV6=${ENABLE_IPV6:=true}
119 119 ENABLE_SSHD=${ENABLE_SSHD:=true}
120 120 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
121 121 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
122 122 ENABLE_SOUND=${ENABLE_SOUND:=true}
123 123 ENABLE_DBUS=${ENABLE_DBUS:=true}
124 124 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
125 125 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
126 126 ENABLE_XORG=${ENABLE_XORG:=false}
127 127 ENABLE_WM=${ENABLE_WM:=""}
128 128 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
129 129 ENABLE_USER=${ENABLE_USER:=true}
130 130 USER_NAME=${USER_NAME:="pi"}
131 131 ENABLE_ROOT=${ENABLE_ROOT:=false}
132 132 ENABLE_QEMU=${ENABLE_QEMU:=false}
133 133
134 134 # SSH settings
135 135 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
136 136 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
137 137 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
138 138 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
139 139 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
140 140
141 141 # Advanced settings
142 142 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
143 143 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
144 144 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
145 145 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
146 146 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
147 147 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
148 148 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
149 149 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
150 150 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
151 151 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
152 152 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
153 153 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
154 154
155 155 # Kernel compilation settings
156 156 BUILD_KERNEL=${BUILD_KERNEL:=false}
157 157 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
158 158 KERNEL_THREADS=${KERNEL_THREADS:=1}
159 159 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
160 160 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
161 161 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
162 162 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
163 163 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
164 164
165 165 # Kernel compilation from source directory settings
166 166 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
167 167 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
168 168 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
169 169 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
170 170
171 171 # Reduce disk usage settings
172 172 REDUCE_APT=${REDUCE_APT:=true}
173 173 REDUCE_DOC=${REDUCE_DOC:=true}
174 174 REDUCE_MAN=${REDUCE_MAN:=true}
175 175 REDUCE_VIM=${REDUCE_VIM:=false}
176 176 REDUCE_BASH=${REDUCE_BASH:=false}
177 177 REDUCE_HWDB=${REDUCE_HWDB:=true}
178 178 REDUCE_SSHD=${REDUCE_SSHD:=true}
179 179 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
180 180
181 181 # Encrypted filesystem settings
182 182 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
183 183 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
184 184 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
185 185 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
186 186 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
187 187
188 188 # Chroot scripts directory
189 189 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
190 190
191 191 # Packages required in the chroot build environment
192 192 APT_INCLUDES=${APT_INCLUDES:=""}
193 193 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils"
194 194
195 195 # Packages required for bootstrapping
196 196 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo"
197 197 MISSING_PACKAGES=""
198 198
199 199 # Packages installed for c/c++ build environment in chroot (keep empty)
200 200 COMPILER_PACKAGES=""
201 201
202 202 set +x
203 203
204 204 #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
205 205 if [ -n "$SET_ARCH" ]
206 206 echo "Setting Architecture specific settings"
207 207 ##################################
208 208 # 64 bit config
209 209 ##################################
210 210 if [ "$SET_ARCH" = 64 ] && ([ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]); then
211 211 echo "64 bit mode selected - Setting up enviroment"
212 212 # 64 bit depended settings
213 213 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
214 214 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
215 215 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
216 216 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
217 217 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
218 218 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
219 219
220 220 # RPI 3 serie specific settings
221 221 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
222 222 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
223 223
224 224 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
225 225 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
226 226 else
227 227 echo "error: Only Raspberry PI 3 and 3B+ support 64bit"
228 228 exit 1
229 229 fi
230 230
231 231 ##################################
232 232 # 32 bit config
233 233 ##################################
234 234 if [ "$SET_ARCH" = 32 ] ; then
235 235 echo "32 bit mode selected - Setting up enviroment"
236 236 #General 32bit configuration
237 237 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
238 238 KERNEL_ARCH=${KERNEL_ARCH:=arm}
239 239 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
240 240
241 241 #Raspberry setting grouped by board compability
242 242 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
243 243 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
244 244 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
245 245 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
246 246 RELEASE_ARCH=${RELEASE_ARCH:=armel}
247 247 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
248 248 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
249 elif [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
249 fi
250 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
250 251 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
251 252 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
252 253 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
253 254 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
254 255 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
255 256 fi
256 257 fi
257 258
258 259 #Device specific configuration
259 260 case "$RPI_MODEL" in
260 261 0)
261 262 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb} ;;
262 263 1)
263 264 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb} ;;
264 265 1P)
265 266 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb} ;;
266 267 2)
267 268 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
268 269 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
269 270 #Precompiled Kernel rpi2
270 271 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
271 272 ;;
272 273 3)
273 274 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
274 275 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_32b_defconfig}
275 276 ;;
276 277 3P)
277 278 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
278 279 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_32b_defconfig}
279 280 ;;
280 281 *)
281 282 echo "error: Raspberry Pi model ${RPI_MODEL} is not supported!"
282 283 exit 1
283 284 ;;
284 285 esac
285 286 #SET_ARCH not set
286 287 else
287 288 echo "error: Please set '32' or '64' as value for SET_ARCH"
288 289 exit 1
289 290 fi
290 291
291 292 # Check if the internal wireless interface is supported by the RPi model
292 293 if [ "$ENABLE_WIRELESS" = true ] && ([ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ]) ; then
293 294 echo "error: The selected Raspberry Pi model has no internal wireless interface"
294 295 exit 1
295 296 else
296 297 echo "Raspberry Pi model"
297 298 fi
298 299
299 300 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
300 301 if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
301 302 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
302 303 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
303 304 exit 1
304 305 fi
305 306 fi
306 307
307 308 # Add libncurses5 to enable kernel menuconfig
308 309 if [ "$KERNEL_MENUCONFIG" = true ] ; then
309 310 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
310 311 fi
311 312
312 313 # Add ccache compiler cache for (faster) kernel cross (re)compilation
313 314 if [ "$KERNEL_CCACHE" = true ] ; then
314 315 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
315 316 fi
316 317
317 318 # Add cryptsetup package to enable filesystem encryption
318 319 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
319 320 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
320 321 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
321 322
322 323 if [ -z "$CRYPTFS_PASSWORD" ] ; then
323 324 echo "error: no password defined (CRYPTFS_PASSWORD)!"
324 325 exit 1
325 326 fi
326 327 ENABLE_INITRAMFS=true
327 328 fi
328 329
329 330 # Add initramfs generation tools
330 331 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
331 332 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
332 333 fi
333 334
334 335 # Add device-tree-compiler required for building the U-Boot bootloader
335 336 if [ "$ENABLE_UBOOT" = true ] ; then
336 337 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex"
337 338 fi
338 339
339 340 # Check if root SSH (v2) public key file exists
340 341 if [ ! -z "$SSH_ROOT_PUB_KEY" ] ; then
341 342 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
342 343 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
343 344 exit 1
344 345 fi
345 346 fi
346 347
347 348 # Check if $USER_NAME SSH (v2) public key file exists
348 349 if [ ! -z "$SSH_USER_PUB_KEY" ] ; then
349 350 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
350 351 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
351 352 exit 1
352 353 fi
353 354 fi
354 355
355 356 # Check if all required packages are installed on the build system
356 357 for package in $REQUIRED_PACKAGES ; do
357 358 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
358 359 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
359 360 fi
360 361 done
361 362
362 363 # If there are missing packages ask confirmation for install, or exit
363 364 if [ -n "$MISSING_PACKAGES" ] ; then
364 365 echo "the following packages needed by this script are not installed:"
365 366 echo "$MISSING_PACKAGES"
366 367
367 368 echo -n "\ndo you want to install the missing packages right now? [y/n] "
368 369 read confirm
369 370 [ "$confirm" != "y" ] && exit 1
370 371
371 372 # Make sure all missing required packages are installed
372 373 apt-get -qq -y install ${MISSING_PACKAGES}
373 374 fi
374 375
375 376 # Check if ./bootstrap.d directory exists
376 377 if [ ! -d "./bootstrap.d/" ] ; then
377 378 echo "error: './bootstrap.d' required directory not found!"
378 379 exit 1
379 380 fi
380 381
381 382 # Check if ./files directory exists
382 383 if [ ! -d "./files/" ] ; then
383 384 echo "error: './files' required directory not found!"
384 385 exit 1
385 386 fi
386 387
387 388 # Check if specified KERNELSRC_DIR directory exists
388 389 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
389 390 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
390 391 exit 1
391 392 fi
392 393
393 394 # Check if specified UBOOTSRC_DIR directory exists
394 395 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
395 396 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
396 397 exit 1
397 398 fi
398 399
399 400 # Check if specified FBTURBOSRC_DIR directory exists
400 401 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
401 402 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
402 403 exit 1
403 404 fi
404 405
405 406 # Check if specified CHROOT_SCRIPTS directory exists
406 407 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
407 408 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
408 409 exit 1
409 410 fi
410 411
411 412 # Check if specified device mapping already exists (will be used by cryptsetup)
412 413 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
413 414 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
414 415 exit 1
415 416 fi
416 417
417 418 # Don't clobber an old build
418 419 if [ -e "$BUILDDIR" ] ; then
419 420 echo "error: directory ${BUILDDIR} already exists, not proceeding"
420 421 exit 1
421 422 fi
422 423
423 424 # Setup chroot directory
424 425 mkdir -p "${R}"
425 426
426 427 # Check if build directory has enough of free disk space >512MB
427 428 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
428 429 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
429 430 exit 1
430 431 fi
431 432
432 433 set -x
433 434
434 435 # Call "cleanup" function on various signals and errors
435 436 trap cleanup 0 1 2 3 6
436 437
437 438 # Add required packages for the minbase installation
438 439 if [ "$ENABLE_MINBASE" = true ] ; then
439 440 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
440 441 fi
441 442
442 443 # Add required locales packages
443 444 if [ "$DEFLOCAL" != "en_US.UTF-8" ] || ([ -n XKB_MODEL ] || [ -n XKB_LAYOUT ] || [ -n XKB_VARIANT ] || [ -n XKB_OPTIONS ]); then
444 445 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
445 446 fi
446 447
447 448 # Add parted package, required to get partprobe utility
448 449 if [ "$EXPANDROOT" = true ] ; then
449 450 APT_INCLUDES="${APT_INCLUDES},parted"
450 451 fi
451 452
452 453 # Add dbus package, recommended if using systemd
453 454 if [ "$ENABLE_DBUS" = true ] ; then
454 455 APT_INCLUDES="${APT_INCLUDES},dbus"
455 456 fi
456 457
457 458 # Add iptables IPv4/IPv6 package
458 459 if [ "$ENABLE_IPTABLES" = true ] ; then
459 460 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
460 461 fi
461 462
462 463 # Add openssh server package
463 464 if [ "$ENABLE_SSHD" = true ] ; then
464 465 APT_INCLUDES="${APT_INCLUDES},openssh-server"
465 466 fi
466 467
467 468 # Add alsa-utils package
468 469 if [ "$ENABLE_SOUND" = true ] ; then
469 470 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
470 471 fi
471 472
472 473 # Add rng-tools package
473 474 if [ "$ENABLE_HWRANDOM" = true ] ; then
474 475 APT_INCLUDES="${APT_INCLUDES},rng-tools"
475 476 fi
476 477
477 478 # Add fbturbo video driver
478 479 if [ "$ENABLE_FBTURBO" = true ] ; then
479 480 # Enable xorg package dependencies
480 481 ENABLE_XORG=true
481 482 fi
482 483
483 484 # Add user defined window manager package
484 485 if [ -n "$ENABLE_WM" ] ; then
485 486 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
486 487
487 488 # Enable xorg package dependencies
488 489 ENABLE_XORG=true
489 490 fi
490 491
491 492 # Add xorg package
492 493 if [ "$ENABLE_XORG" = true ] ; then
493 494 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
494 495 fi
495 496
496 497 # Replace selected packages with smaller clones
497 498 if [ "$ENABLE_REDUCE" = true ] ; then
498 499 # Add levee package instead of vim-tiny
499 500 if [ "$REDUCE_VIM" = true ] ; then
500 501 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
501 502 fi
502 503
503 504 # Add dropbear package instead of openssh-server
504 505 if [ "$REDUCE_SSHD" = true ] ; then
505 506 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
506 507 fi
507 508 fi
508 509
509 510 if [ "$RELEASE" != "jessie" ] ; then
510 511 APT_INCLUDES="${APT_INCLUDES},libnss-systemd"
511 512 fi
512 513
513 514 # Configure kernel sources if no KERNELSRC_DIR
514 515 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
515 516 KERNELSRC_CONFIG=true
516 517 fi
517 518
518 519 # Configure reduced kernel
519 520 if [ "$KERNEL_REDUCE" = true ] ; then
520 521 KERNELSRC_CONFIG=false
521 522 fi
522 523
523 524 # Execute bootstrap scripts
524 525 for SCRIPT in bootstrap.d/*.sh; do
525 526 head -n 3 "$SCRIPT"
526 527 . "$SCRIPT"
527 528 done
528 529
529 530 ## Execute custom bootstrap scripts
530 531 if [ -d "custom.d" ] ; then
531 532 for SCRIPT in custom.d/*.sh; do
532 533 . "$SCRIPT"
533 534 done
534 535 fi
535 536
536 537 # Execute custom scripts inside the chroot
537 538 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
538 539 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
539 540 chroot_exec /bin/bash -x <<'EOF'
540 541 for SCRIPT in /chroot_scripts/* ; do
541 542 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
542 543 $SCRIPT
543 544 fi
544 545 done
545 546 EOF
546 547 rm -rf "${R}/chroot_scripts"
547 548 fi
548 549
549 550 # Remove c/c++ build environment from the chroot
550 551 chroot_remove_cc
551 552
552 553 # Remove apt-utils
553 554 if [ "$RELEASE" = "jessie" ] ; then
554 555 chroot_exec apt-get purge -qq -y --force-yes apt-utils
555 556 fi
556 557
557 558 # Generate required machine-id
558 559 MACHINE_ID=$(dbus-uuidgen)
559 560 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
560 561 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
561 562
562 563 # APT Cleanup
563 564 chroot_exec apt-get -y clean
564 565 chroot_exec apt-get -y autoclean
565 566 chroot_exec apt-get -y autoremove
566 567
567 568 # Unmount mounted filesystems
568 569 umount -l "${R}/proc"
569 570 umount -l "${R}/sys"
570 571
571 572 # Clean up directories
572 573 rm -rf "${R}/run/*"
573 574 rm -rf "${R}/tmp/*"
574 575
575 576 # Clean up files
576 577 rm -f "${ETC_DIR}/ssh/ssh_host_*"
577 578 rm -f "${ETC_DIR}/dropbear/dropbear_*"
578 579 rm -f "${ETC_DIR}/apt/sources.list.save"
579 580 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
580 581 rm -f "${ETC_DIR}/*-"
581 582 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
582 583 rm -f "${ETC_DIR}/resolv.conf"
583 584 rm -f "${R}/root/.bash_history"
584 585 rm -f "${R}/var/lib/urandom/random-seed"
585 586 rm -f "${R}/initrd.img"
586 587 rm -f "${R}/vmlinuz"
587 588 rm -f "${R}${QEMU_BINARY}"
588 589
589 590 if [ "$ENABLE_QEMU" = true ] ; then
590 591 # Configure qemu compatible kernel
591 592 DTB_FILE=vexpress-v2p-ca15_a7.dtb
592 593 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
593 594 KERNEL_DEFCONFIG="vexpress_defconfig"
594 595 if [ "$KERNEL_MENUCONFIG" = false ] ; then
595 596 KERNEL_OLDDEFCONFIG=true
596 597 fi
597 598
598 599 # Setup QEMU directory
599 600 mkdir "${BASEDIR}/qemu"
600 601
601 602 # Copy kernel image to QEMU directory
602 603 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
603 604
604 605 # Copy kernel config to QEMU directory
605 606 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
606 607
607 608 # Copy kernel dtbs to QEMU directory
608 609 for dtb in "${BOOT_DIR}/"*.dtb ; do
609 610 if [ -f "${dtb}" ] ; then
610 611 install_readonly "${dtb}" "${BASEDIR}/qemu/"
611 612 fi
612 613 done
613 614
614 615 # Copy kernel overlays to QEMU directory
615 616 if [ -d "${BOOT_DIR}/overlays" ] ; then
616 617 # Setup overlays dtbs directory
617 618 mkdir "${BASEDIR}/qemu/overlays"
618 619
619 620 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
620 621 if [ -f "${dtb}" ] ; then
621 622 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
622 623 fi
623 624 done
624 625 fi
625 626
626 627 # Copy u-boot files to QEMU directory
627 628 if [ "$ENABLE_UBOOT" = true ] ; then
628 629 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
629 630 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
630 631 fi
631 632 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
632 633 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
633 634 fi
634 635 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
635 636 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
636 637 fi
637 638 fi
638 639
639 640 # Copy initramfs to QEMU directory
640 641 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
641 642 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
642 643 fi
643 644 fi
644 645
645 646 # Calculate size of the chroot directory in KB
646 647 CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
647 648
648 649 # Calculate the amount of needed 512 Byte sectors
649 650 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
650 651 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
651 652 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
652 653
653 654 # The root partition is EXT4
654 655 # This means more space than the actual used space of the chroot is used.
655 656 # As overhead for journaling and reserved blocks 35% are added.
656 657 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 35) \* 1024 \/ 512)
657 658
658 659 # Calculate required image size in 512 Byte sectors
659 660 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
660 661
661 662 # Prepare image file
662 663 if [ "$ENABLE_SPLITFS" = true ] ; then
663 664 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=${TABLE_SECTORS}
664 665 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
665 666 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=${TABLE_SECTORS}
666 667 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
667 668
668 669 # Write firmware/boot partition tables
669 670 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
670 671 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
671 672 EOM
672 673
673 674 # Write root partition table
674 675 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
675 676 ${TABLE_SECTORS},${ROOT_SECTORS},83
676 677 EOM
677 678
678 679 # Setup temporary loop devices
679 680 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME-frmw.img)"
680 681 ROOT_LOOP="$(losetup -o 1M -f --show $IMAGE_NAME-root.img)"
681 682 else # ENABLE_SPLITFS=false
682 683 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=${TABLE_SECTORS}
683 684 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek=${IMAGE_SECTORS}
684 685
685 686 # Write partition table
686 687 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
687 688 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
688 689 ${ROOT_OFFSET},${ROOT_SECTORS},83
689 690 EOM
690 691
691 692 # Setup temporary loop devices
692 693 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME.img)"
693 694 ROOT_LOOP="$(losetup -o 65M -f --show $IMAGE_NAME.img)"
694 695 fi
695 696
696 697 if [ "$ENABLE_CRYPTFS" = true ] ; then
697 698 # Create dummy ext4 fs
698 699 mkfs.ext4 "$ROOT_LOOP"
699 700
700 701 # Setup password keyfile
701 702 touch .password
702 703 chmod 600 .password
703 704 echo -n ${CRYPTFS_PASSWORD} > .password
704 705
705 706 # Initialize encrypted partition
706 707 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
707 708
708 709 # Open encrypted partition and setup mapping
709 710 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
710 711
711 712 # Secure delete password keyfile
712 713 shred -zu .password
713 714
714 715 # Update temporary loop device
715 716 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
716 717
717 718 # Wipe encrypted partition (encryption cipher is used for randomness)
718 719 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
719 720 fi
720 721
721 722 # Build filesystems
722 723 mkfs.vfat "$FRMW_LOOP"
723 724 mkfs.ext4 "$ROOT_LOOP"
724 725
725 726 # Mount the temporary loop devices
726 727 mkdir -p "$BUILDDIR/mount"
727 728 mount "$ROOT_LOOP" "$BUILDDIR/mount"
728 729
729 730 mkdir -p "$BUILDDIR/mount/boot/firmware"
730 731 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
731 732
732 733 # Copy all files from the chroot to the loop device mount point directory
733 734 rsync -a "${R}/" "$BUILDDIR/mount/"
734 735
735 736 # Unmount all temporary loop devices and mount points
736 737 cleanup
737 738
738 739 # Create block map file(s) of image(s)
739 740 if [ "$ENABLE_SPLITFS" = true ] ; then
740 741 # Create block map files for "bmaptool"
741 742 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
742 743 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
743 744
744 745 # Image was successfully created
745 746 echo "$IMAGE_NAME-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
746 747 echo "$IMAGE_NAME-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
747 748 else
748 749 # Create block map file for "bmaptool"
749 750 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
750 751
751 752 # Image was successfully created
752 753 echo "$IMAGE_NAME.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
753 754
754 755 # Create qemu qcow2 image
755 756 if [ "$ENABLE_QEMU" = true ] ; then
756 757 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
757 758 QEMU_SIZE=16G
758 759
759 760 qemu-img convert -f raw -O qcow2 $IMAGE_NAME.img $QEMU_IMAGE.qcow2
760 761 qemu-img resize $QEMU_IMAGE.qcow2 $QEMU_SIZE
761 762
762 763 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
763 764 fi
764 765 fi
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