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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 [ "$(id -u)" -ne "0" ] ; then
20 20 echo "error: this script must be executed with root privileges!"
21 21 exit 1
22 22 fi
23 23
24 24 # Check if ./functions.sh script exists
25 25 if [ ! -r "./functions.sh" ] ; then
26 26 echo "error: './functions.sh' required script not found!"
27 27 exit 1
28 28 fi
29 29
30 30 # Load utility functions
31 31 . ./functions.sh
32 32
33 33 # Load parameters from configuration template file
34 34 if [ -n "$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=${RPI_MODEL:=2}
45 45
46 46 #bcm2708-rpi-0-w.dtb (Used for Pi 0 and PI 0W)
47 47 RPI0_DTB_FILE=${RPI0_DTB_FILE:=bcm2708-rpi-0-w.dtb}
48 48 RPI0_UBOOT_CONFIG=${RPI0_UBOOT_CONFIG:=rpi_defconfig}
49 49
50 50 #bcm2708-rpi-b.dtb (Used for Pi 1 model A and B)
51 51 RPI1_DTB_FILE=${RPI1_DTB_FILE:=bcm2708-rpi-b.dtb}
52 52 RPI1_UBOOT_CONFIG=${RPI1_UBOOT_CONFIG:=rpi_defconfig}
53 53
54 54 #bcm2708-rpi-b-plus.dtb (Used for Pi 1 model B+ and A+)
55 55 RPI1P_DTB_FILE=${RPI1P_DTB_FILE:=bcm2708-rpi-b-plus.dtb}
56 56 RPI1P_UBOOT_CONFIG=${RPI1P_UBOOT_CONFIG:=rpi_defconfig}
57 57
58 58 #bcm2709-rpi-2-b.dtb (Used for Pi 2 model B)
59 59 RPI2_DTB_FILE=${RPI2_DTB_FILE:=bcm2709-rpi-2-b.dtb}
60 60 RPI2_UBOOT_CONFIG=${RPI2_UBOOT_CONFIG:=rpi_2_defconfig}
61 61
62 62 #bcm2710-rpi-3-b.dtb (Used for Pi 3 model B)
63 63 RPI3_DTB_FILE=${RPI3_DTB_FILE:=bcm2710-rpi-3-b.dtb}
64 64 RPI3_UBOOT_CONFIG=${RPI3_UBOOT_CONFIG:=rpi_3_32b_defconfig}
65 65
66 66 #bcm2710-rpi-3-b-plus.dtb (Used for Pi 3 model B+)
67 67 RPI3P_DTB_FILE=${RPI3P_DTB_FILE:=bcm2710-rpi-3-b-plus.dtb}
68 68 RPI3P_UBOOT_CONFIG=${RPI3P_UBOOT_CONFIG:=rpi_3_32b_defconfig}
69 69
70 70 # Debian release
71 71 RELEASE=${RELEASE:=jessie}
72 72 KERNEL_ARCH=${KERNEL_ARCH:=arm}
73 73 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
74 74 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
75 75 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
76 76 if [ "$KERNEL_ARCH" = "arm64" ] ; then
77 77 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
78 78 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
79 79 fi
80 80
81 81 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
82 82 #RASPBERRY PI 1, PI ZERO, PI ZERO W, AND COMPUTE MODULE DEFAULT Kernel BUILD CONFIGURATION
83 83 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
84 84 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
85 85 else
86 86 #RASPBERRY PI 2, PI 3, PI 3+, AND COMPUTE MODULE 3 DEFAULT Kernel BUILD CONFIGURATION
87 87 #https://www.raspberrypi.org/documentation/linux/kernel/building.md
88 88 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
89 89 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
90 90 fi
91 91
92 92 if [ "$RELEASE_ARCH" = "arm64" ] ; then
93 93 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
94 94 else
95 95 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
96 96 fi
97 97 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
98 98
99 99 # URLs
100 100 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
101 101 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
102 102 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
103 103 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
104 104 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
105 105 UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
106 106 VIDEOCORE_URL=${VIDEOCORE_URL=https://github.com/raspberrypi/userland}
107 107
108 108 # Build directories
109 109 BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
110 110 BUILDDIR="${BASEDIR}/build"
111 111
112 112 # Prepare date string for default image file name
113 113 DATE="$(date +%Y-%m-%d)"
114 114 if [ -z "$KERNEL_BRANCH" ] ; then
115 115 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
116 116 else
117 117 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
118 118 fi
119 119
120 120 # Chroot directories
121 121 R="${BUILDDIR}/chroot"
122 122 ETC_DIR="${R}/etc"
123 123 LIB_DIR="${R}/lib"
124 124 BOOT_DIR="${R}/boot/firmware"
125 125 KERNEL_DIR="${R}/usr/src/linux"
126 126 WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
127 127
128 128 # Firmware directory: Blank if download from github
129 129 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
130 130
131 131 # General settings
132 132 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
133 133 PASSWORD=${PASSWORD:=raspberry}
134 134 USER_PASSWORD=${USER_PASSWORD:=raspberry}
135 135 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
136 136 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
137 137 EXPANDROOT=${EXPANDROOT:=true}
138 138
139 139 # Keyboard settings
140 140 XKB_MODEL=${XKB_MODEL:=""}
141 141 XKB_LAYOUT=${XKB_LAYOUT:=""}
142 142 XKB_VARIANT=${XKB_VARIANT:=""}
143 143 XKB_OPTIONS=${XKB_OPTIONS:=""}
144 144
145 145 # Network settings (DHCP)
146 146 ENABLE_DHCP=${ENABLE_DHCP:=true}
147 147
148 148 # Network settings (static)
149 149 NET_ADDRESS=${NET_ADDRESS:=""}
150 150 NET_GATEWAY=${NET_GATEWAY:=""}
151 151 NET_DNS_1=${NET_DNS_1:=""}
152 152 NET_DNS_2=${NET_DNS_2:=""}
153 153 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
154 154 NET_NTP_1=${NET_NTP_1:=""}
155 155 NET_NTP_2=${NET_NTP_2:=""}
156 156
157 157 # APT settings
158 158 APT_PROXY=${APT_PROXY:=""}
159 159 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
160 160
161 161 # Feature settings
162 162 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
163 163 ENABLE_I2C=${ENABLE_I2C:=false}
164 164 ENABLE_SPI=${ENABLE_SPI:=false}
165 165 ENABLE_IPV6=${ENABLE_IPV6:=true}
166 166 ENABLE_SSHD=${ENABLE_SSHD:=true}
167 167 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
168 168 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
169 169 ENABLE_SOUND=${ENABLE_SOUND:=true}
170 170 ENABLE_DBUS=${ENABLE_DBUS:=true}
171 171 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
172 172 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
173 173 ENABLE_XORG=${ENABLE_XORG:=false}
174 174 ENABLE_WM=${ENABLE_WM:=""}
175 175 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
176 176 ENABLE_USER=${ENABLE_USER:=true}
177 177 USER_NAME=${USER_NAME:="pi"}
178 178 ENABLE_ROOT=${ENABLE_ROOT:=false}
179 179 ENABLE_QEMU=${ENABLE_QEMU:=false}
180 180 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
181 181
182 182 # SSH settings
183 183 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
184 184 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
185 185 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
186 186 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
187 187 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
188 188
189 189 # Advanced settings
190 190 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
191 191 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
192 192 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
193 193 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
194 194 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
195 195 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=true}
196 196 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
197 197 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
198 198 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
199 199 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
200 200 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
201 201 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
202 202 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
203 203 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
204 204
205 205 # Kernel compilation settings
206 206 BUILD_KERNEL=${BUILD_KERNEL:=false}
207 207 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
208 208 KERNEL_THREADS=${KERNEL_THREADS:=1}
209 209 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
210 210 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
211 211 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
212 212 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
213 213 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
214 214
215 215 if [ "$KERNEL_ARCH" = "arm64" ] ; then
216 216 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
217 217 else
218 218 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
219 219 fi
220 220
221 221 # Kernel compilation from source directory settings
222 222 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
223 223 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
224 224 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
225 225 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
226 226
227 227 # Reduce disk usage settings
228 228 REDUCE_APT=${REDUCE_APT:=true}
229 229 REDUCE_DOC=${REDUCE_DOC:=true}
230 230 REDUCE_MAN=${REDUCE_MAN:=true}
231 231 REDUCE_VIM=${REDUCE_VIM:=false}
232 232 REDUCE_BASH=${REDUCE_BASH:=false}
233 233 REDUCE_HWDB=${REDUCE_HWDB:=true}
234 234 REDUCE_SSHD=${REDUCE_SSHD:=true}
235 235 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
236 236
237 237 # Encrypted filesystem settings
238 238 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
239 239 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
240 240 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
241 241 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
242 242 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
243 243
244 244 # Chroot scripts directory
245 245 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
246 246
247 247 # Packages required in the chroot build environment
248 248 APT_INCLUDES=${APT_INCLUDES:=""}
249 249 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils"
250 250
251 251 #Packages to exclude from chroot build environment
252 252 APT_EXCLUDES=${APT_EXCLUDES:=""}
253 253
254 254 # Packages required for bootstrapping
255 255 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo"
256 256 MISSING_PACKAGES=""
257 257
258 258 # Packages installed for c/c++ build environment in chroot (keep empty)
259 259 COMPILER_PACKAGES=""
260 260
261 261 set +x
262 262
263 263 #If init and systemd-sysv are wanted e.g. halt/reboot/shutdown scripts
264 264 if [ "$ENABLE_SYSVINIT" = false ] ; then
265 265 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
266 266 fi
267 267
268 268 # Set Raspberry Pi model specific configuration
269 269 if [ "$RPI_MODEL" = 0 ] ; then
270 270 DTB_FILE=${RPI0_DTB_FILE}
271 271 UBOOT_CONFIG=${RPI0_UBOOT_CONFIG}
272 272 elif [ "$RPI_MODEL" = 1 ] ; then
273 273 DTB_FILE=${RPI1_DTB_FILE}
274 274 UBOOT_CONFIG=${RPI1_UBOOT_CONFIG}
275 275 elif [ "$RPI_MODEL" = 1P ] ; then
276 276 DTB_FILE=${RPI1P_DTB_FILE}
277 277 UBOOT_CONFIG=${RPI1P_UBOOT_CONFIG}
278 278 elif [ "$RPI_MODEL" = 2 ] ; then
279 279 DTB_FILE=${RPI2_DTB_FILE}
280 280 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
281 281 elif [ "$RPI_MODEL" = 3 ] ; then
282 282 DTB_FILE=${RPI3_DTB_FILE}
283 283 UBOOT_CONFIG=${RPI3_UBOOT_CONFIG}
284 284 elif [ "$RPI_MODEL" = 3P ] ; then
285 285 DTB_FILE=${RPI3P_DTB_FILE}
286 286 UBOOT_CONFIG=${RPI3P_UBOOT_CONFIG}
287 287 else
288 288 echo "error: Raspberry Pi model ${RPI_MODEL} is not supported!"
289 289 exit 1
290 290 fi
291 291
292 292 # Check if the internal wireless interface is supported by the RPi model
293 293 if [ "$ENABLE_WIRELESS" = true ] && ([ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ]); then
294 294
295 295 echo "error: The selected Raspberry Pi model has no internal wireless interface"
296 296 exit 1
297 297 fi
298 298
299 299 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
300 300 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
301 301 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
302 302 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
303 303 exit 1
304 304 fi
305 305 fi
306 306
307 307 # Build RPi2/3 Linux kernel if required by Debian release
308 308 if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
309 309 BUILD_KERNEL=true
310 310 fi
311 311
312 312 # Add packages required for kernel cross compilation
313 313 if [ "$BUILD_KERNEL" = true ] ; then
314 314 if [ "$KERNEL_ARCH" = "arm" ] ; then
315 315 if [ "$RELEASE_ARCH" = "armel" ]; then
316 316 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
317 317 fi
318 318 if [ "$RELEASE_ARCH" = "armhf" ]; then
319 319 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
320 320 fi
321 321 fi
322 322 if [ "$RELEASE_ARCH" = "arm64" ]; then
323 323 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
324 324 fi
325 325 fi
326 326
327 327 if [ "$ENABLE_VIDEOCORE" = true ] ; then
328 328 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
329 329 fi
330 330
331 331 # Add libncurses5 to enable kernel menuconfig
332 332 if [ "$KERNEL_MENUCONFIG" = true ] ; then
333 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
333 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
334 334 fi
335 335
336 336 # Add ccache compiler cache for (faster) kernel cross (re)compilation
337 337 if [ "$KERNEL_CCACHE" = true ] ; then
338 338 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
339 339 fi
340 340
341 341 # Add cryptsetup package to enable filesystem encryption
342 342 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
343 343 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
344 344 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
345 345
346 346 if [ -z "$CRYPTFS_PASSWORD" ] ; then
347 347 echo "error: no password defined (CRYPTFS_PASSWORD)!"
348 348 exit 1
349 349 fi
350 350 ENABLE_INITRAMFS=true
351 351 fi
352 352
353 353 # Add initramfs generation tools
354 354 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
355 355 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
356 356 fi
357 357
358 358 # Add device-tree-compiler required for building the U-Boot bootloader
359 359 if [ "$ENABLE_UBOOT" = true ] ; then
360 360 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex"
361 361 fi
362 362
363 363 # Check if root SSH (v2) public key file exists
364 364 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
365 365 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
366 366 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
367 367 exit 1
368 368 fi
369 369 fi
370 370
371 371 # Check if $USER_NAME SSH (v2) public key file exists
372 372 if [ -n "$SSH_USER_PUB_KEY" ] ; then
373 373 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
374 374 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
375 375 exit 1
376 376 fi
377 377 fi
378 378
379 379 # Check if all required packages are installed on the build system
380 380 for package in $REQUIRED_PACKAGES ; do
381 381 if [ "$(dpkg-query -W -f='${Status}' $package)" != "install ok installed" ] ; then
382 382 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
383 383 fi
384 384 done
385 385
386 386 # If there are missing packages ask confirmation for install, or exit
387 387 if [ -n "$MISSING_PACKAGES" ] ; then
388 388 echo "the following packages needed by this script are not installed:"
389 389 echo "$MISSING_PACKAGES"
390 390
391 printf "\n\ndo you want to install the missing packages right now? [y/n] "
391 printf "\ndo you want to install the missing packages right now? [y/n] "
392 392 read -r confirm
393 393 [ "$confirm" != "y" ] && exit 1
394 394
395 395 # Make sure all missing required packages are installed
396 396 apt-get -qq -y install "${MISSING_PACKAGES}"
397 397 fi
398 398
399 399 # Check if ./bootstrap.d directory exists
400 400 if [ ! -d "./bootstrap.d/" ] ; then
401 401 echo "error: './bootstrap.d' required directory not found!"
402 402 exit 1
403 403 fi
404 404
405 405 # Check if ./files directory exists
406 406 if [ ! -d "./files/" ] ; then
407 407 echo "error: './files' required directory not found!"
408 408 exit 1
409 409 fi
410 410
411 411 # Check if specified KERNELSRC_DIR directory exists
412 412 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
413 413 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
414 414 exit 1
415 415 fi
416 416
417 417 # Check if specified UBOOTSRC_DIR directory exists
418 418 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
419 419 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
420 420 exit 1
421 421 fi
422 422
423 423 # Check if specified VIDEOCORESRC_DIR directory exists
424 424 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
425 425 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
426 426 exit 1
427 427 fi
428 428
429 429 # Check if specified FBTURBOSRC_DIR directory exists
430 430 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
431 431 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
432 432 exit 1
433 433 fi
434 434
435 435 # Check if specified CHROOT_SCRIPTS directory exists
436 436 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
437 437 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
438 438 exit 1
439 439 fi
440 440
441 441 # Check if specified device mapping already exists (will be used by cryptsetup)
442 442 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
443 443 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
444 444 exit 1
445 445 fi
446 446
447 447 # Don't clobber an old build
448 448 if [ -e "$BUILDDIR" ] ; then
449 449 echo "error: directory ${BUILDDIR} already exists, not proceeding"
450 450 exit 1
451 451 fi
452 452
453 453 # Setup chroot directory
454 454 mkdir -p "${R}"
455 455
456 456 # Check if build directory has enough of free disk space >512MB
457 457 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
458 458 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
459 459 exit 1
460 460 fi
461 461
462 462 set -x
463 463
464 464 # Call "cleanup" function on various signals and errors
465 465 trap cleanup 0 1 2 3 6
466 466
467 467 # Add required packages for the minbase installation
468 468 if [ "$ENABLE_MINBASE" = true ] ; then
469 469 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
470 470 fi
471 471
472 472 # Add required locales packages
473 473 if [ "$DEFLOCAL" != "en_US.UTF-8" ] || ([ -n XKB_MODEL ] || [ -n XKB_LAYOUT ] || [ -n XKB_VARIANT ] || [ -n XKB_OPTIONS ]); then
474 474 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
475 475 fi
476 476
477 477 # Add parted package, required to get partprobe utility
478 478 if [ "$EXPANDROOT" = true ] ; then
479 479 APT_INCLUDES="${APT_INCLUDES},parted"
480 480 fi
481 481
482 482 # Add dbus package, recommended if using systemd
483 483 if [ "$ENABLE_DBUS" = true ] ; then
484 484 APT_INCLUDES="${APT_INCLUDES},dbus"
485 485 fi
486 486
487 487 # Add iptables IPv4/IPv6 package
488 488 if [ "$ENABLE_IPTABLES" = true ] ; then
489 489 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
490 490 fi
491 491
492 492 # Add openssh server package
493 493 if [ "$ENABLE_SSHD" = true ] ; then
494 494 APT_INCLUDES="${APT_INCLUDES},openssh-server"
495 495 fi
496 496
497 497 # Add alsa-utils package
498 498 if [ "$ENABLE_SOUND" = true ] ; then
499 499 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
500 500 fi
501 501
502 502 # Add rng-tools package
503 503 if [ "$ENABLE_HWRANDOM" = true ] ; then
504 504 APT_INCLUDES="${APT_INCLUDES},rng-tools"
505 505 fi
506 506
507 507 # Add fbturbo video driver
508 508 if [ "$ENABLE_FBTURBO" = true ] ; then
509 509 # Enable xorg package dependencies
510 510 ENABLE_XORG=true
511 511 fi
512 512
513 513 # Add user defined window manager package
514 514 if [ -n "$ENABLE_WM" ] ; then
515 515 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
516 516
517 517 # Enable xorg package dependencies
518 518 ENABLE_XORG=true
519 519 fi
520 520
521 521 # Add xorg package
522 522 if [ "$ENABLE_XORG" = true ] ; then
523 523 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
524 524 fi
525 525
526 526 # Replace selected packages with smaller clones
527 527 if [ "$ENABLE_REDUCE" = true ] ; then
528 528 # Add levee package instead of vim-tiny
529 529 if [ "$REDUCE_VIM" = true ] ; then
530 530 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
531 531 fi
532 532
533 533 # Add dropbear package instead of openssh-server
534 534 if [ "$REDUCE_SSHD" = true ] ; then
535 535 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
536 536 fi
537 537 fi
538 538
539 539 if [ "$RELEASE" != "jessie" ] ; then
540 540 APT_INCLUDES="${APT_INCLUDES},libnss-systemd"
541 541 fi
542 542
543 543 # Configure kernel sources if no KERNELSRC_DIR
544 544 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
545 545 KERNELSRC_CONFIG=true
546 546 fi
547 547
548 548 # Configure reduced kernel
549 549 if [ "$KERNEL_REDUCE" = true ] ; then
550 550 KERNELSRC_CONFIG=false
551 551 fi
552 552
553 553 # Configure qemu compatible kernel
554 554 if [ "$ENABLE_QEMU" = true ] ; then
555 555 DTB_FILE=vexpress-v2p-ca15_a7.dtb
556 556 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
557 557 KERNEL_DEFCONFIG="vexpress_defconfig"
558 558 if [ "$KERNEL_MENUCONFIG" = false ] ; then
559 559 KERNEL_OLDDEFCONFIG=true
560 560 fi
561 561 fi
562 562
563 563 # Execute bootstrap scripts
564 564 for SCRIPT in bootstrap.d/*.sh; do
565 565 head -n 3 "$SCRIPT"
566 566 . "$SCRIPT"
567 567 done
568 568
569 569 ## Execute custom bootstrap scripts
570 570 if [ -d "custom.d" ] ; then
571 571 for SCRIPT in custom.d/*.sh; do
572 572 . "$SCRIPT"
573 573 done
574 574 fi
575 575
576 576 # Execute custom scripts inside the chroot
577 577 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
578 578 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
579 579 chroot_exec /bin/bash -x <<'EOF'
580 580 for SCRIPT in /chroot_scripts/* ; do
581 581 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
582 582 $SCRIPT
583 583 fi
584 584 done
585 585 EOF
586 586 rm -rf "${R}/chroot_scripts"
587 587 fi
588 588
589 589 # Remove c/c++ build environment from the chroot
590 590 chroot_remove_cc
591 591
592 592 # Remove apt-utils
593 593 if [ "$RELEASE" = "jessie" ] ; then
594 594 chroot_exec apt-get purge -qq -y --force-yes apt-utils
595 595 fi
596 596
597 597 # Generate required machine-id
598 598 MACHINE_ID=$(dbus-uuidgen)
599 599 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
600 600 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
601 601
602 602 # APT Cleanup
603 603 chroot_exec apt-get -y clean
604 604 chroot_exec apt-get -y autoclean
605 605 chroot_exec apt-get -y autoremove
606 606
607 607 # Unmount mounted filesystems
608 608 umount -l "${R}/proc"
609 609 umount -l "${R}/sys"
610 610
611 611 # Clean up directories
612 612 rm -rf "${R}/run/*"
613 613 rm -rf "${R}/tmp/*"
614 614
615 615 # Clean up files
616 616 rm -f "${ETC_DIR}/ssh/ssh_host_*"
617 617 rm -f "${ETC_DIR}/dropbear/dropbear_*"
618 618 rm -f "${ETC_DIR}/apt/sources.list.save"
619 619 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
620 620 rm -f "${ETC_DIR}/*-"
621 621 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
622 622 rm -f "${ETC_DIR}/resolv.conf"
623 623 rm -f "${R}/root/.bash_history"
624 624 rm -f "${R}/var/lib/urandom/random-seed"
625 625 rm -f "${R}/initrd.img"
626 626 rm -f "${R}/vmlinuz"
627 627 rm -f "${R}${QEMU_BINARY}"
628 628
629 629 if [ "$ENABLE_QEMU" = true ] ; then
630 630 # Setup QEMU directory
631 631 mkdir "${BASEDIR}/qemu"
632 632
633 633 # Copy kernel image to QEMU directory
634 634 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
635 635
636 636 # Copy kernel config to QEMU directory
637 637 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
638 638
639 639 # Copy kernel dtbs to QEMU directory
640 640 for dtb in "${BOOT_DIR}/"*.dtb ; do
641 641 if [ -f "${dtb}" ] ; then
642 642 install_readonly "${dtb}" "${BASEDIR}/qemu/"
643 643 fi
644 644 done
645 645
646 646 # Copy kernel overlays to QEMU directory
647 647 if [ -d "${BOOT_DIR}/overlays" ] ; then
648 648 # Setup overlays dtbs directory
649 649 mkdir "${BASEDIR}/qemu/overlays"
650 650
651 651 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
652 652 if [ -f "${dtb}" ] ; then
653 653 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
654 654 fi
655 655 done
656 656 fi
657 657
658 658 # Copy u-boot files to QEMU directory
659 659 if [ "$ENABLE_UBOOT" = true ] ; then
660 660 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
661 661 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
662 662 fi
663 663 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
664 664 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
665 665 fi
666 666 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
667 667 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
668 668 fi
669 669 fi
670 670
671 671 # Copy initramfs to QEMU directory
672 672 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
673 673 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
674 674 fi
675 675 fi
676 676
677 677 # Calculate size of the chroot directory in KB
678 678 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
679 679
680 680 # Calculate the amount of needed 512 Byte sectors
681 681 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
682 682 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
683 683 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
684 684
685 685 # The root partition is EXT4
686 686 # This means more space than the actual used space of the chroot is used.
687 687 # As overhead for journaling and reserved blocks 35% are added.
688 688 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
689 689
690 690 # Calculate required image size in 512 Byte sectors
691 691 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
692 692
693 693 # Prepare image file
694 694 if [ "$ENABLE_SPLITFS" = true ] ; then
695 695 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
696 696 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
697 697 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
698 698 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
699 699
700 700 # Write firmware/boot partition tables
701 701 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
702 702 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
703 703 EOM
704 704
705 705 # Write root partition table
706 706 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
707 707 ${TABLE_SECTORS},${ROOT_SECTORS},83
708 708 EOM
709 709
710 710 # Setup temporary loop devices
711 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME-frmw.img")"
712 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME-root.img")"
711 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
712 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
713 713 else # ENABLE_SPLITFS=false
714 714 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
715 715 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
716 716
717 717 # Write partition table
718 718 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
719 719 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
720 720 ${ROOT_OFFSET},${ROOT_SECTORS},83
721 721 EOM
722 722
723 723 # Setup temporary loop devices
724 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME.img")"
725 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME.img")"
724 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
725 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
726 726 fi
727 727
728 728 if [ "$ENABLE_CRYPTFS" = true ] ; then
729 729 # Create dummy ext4 fs
730 730 mkfs.ext4 "$ROOT_LOOP"
731 731
732 732 # Setup password keyfile
733 733 touch .password
734 734 chmod 600 .password
735 735 echo -n ${CRYPTFS_PASSWORD} > .password
736 736
737 737 # Initialize encrypted partition
738 738 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
739 739
740 740 # Open encrypted partition and setup mapping
741 741 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
742 742
743 743 # Secure delete password keyfile
744 744 shred -zu .password
745 745
746 746 # Update temporary loop device
747 747 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
748 748
749 749 # Wipe encrypted partition (encryption cipher is used for randomness)
750 750 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
751 751 fi
752 752
753 753 # Build filesystems
754 754 mkfs.vfat "$FRMW_LOOP"
755 755 mkfs.ext4 "$ROOT_LOOP"
756 756
757 757 # Mount the temporary loop devices
758 758 mkdir -p "$BUILDDIR/mount"
759 759 mount "$ROOT_LOOP" "$BUILDDIR/mount"
760 760
761 761 mkdir -p "$BUILDDIR/mount/boot/firmware"
762 762 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
763 763
764 764 # Copy all files from the chroot to the loop device mount point directory
765 765 rsync -a "${R}/" "$BUILDDIR/mount/"
766 766
767 767 # Unmount all temporary loop devices and mount points
768 768 cleanup
769 769
770 770 # Create block map file(s) of image(s)
771 771 if [ "$ENABLE_SPLITFS" = true ] ; then
772 772 # Create block map files for "bmaptool"
773 773 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
774 774 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
775 775
776 776 # Image was successfully created
777 777 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
778 778 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
779 779 else
780 780 # Create block map file for "bmaptool"
781 781 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
782 782
783 783 # Image was successfully created
784 784 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
785 785
786 786 # Create qemu qcow2 image
787 787 if [ "$ENABLE_QEMU" = true ] ; then
788 788 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
789 789 QEMU_SIZE=16G
790 790
791 791 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
792 792 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
793 793
794 794 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
795 795 fi
796 796 fi
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