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1 1 # rpi23-gen-image
2 2 ## Introduction
3 3 `rpi23-gen-image.sh` is an advanced Debian Linux bootstrapping shell script for generating Debian OS images for Raspberry Pi 2 (RPi2) and Raspberry Pi 3 (RPi3) computers. The script at this time supports the bootstrapping of the Debian (armhf) releases `stretch` and `buster`. Raspberry Pi 3 images are generated for 32-bit mode only. Raspberry Pi 3 64-bit images can be generated using custom configuration parameters (```templates/rpi3-stretch-arm64-4.14.y```).
4 4
5 5 ## Build dependencies
6 6 The following list of Debian packages must be installed on the build system because they are essentially required for the bootstrapping process. The script will check if all required packages are installed and missing packages will be installed automatically if confirmed by the user.
7 7
8 8 ```debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo```
9 9
10 10 It is recommended to configure the `rpi23-gen-image.sh` script to build and install the latest Raspberry Pi Linux kernel. For the RPi3 this is mandatory. Kernel compilation and linking will be performed on the build system using an ARM (armhf) cross-compiler toolchain.
11 11
12 12 The script has been tested using the default `crossbuild-essential-armhf` toolchain meta package on Debian Linux `stretch` build systems. Please check the [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains) for further information.
13 13
14 14 ## Command-line parameters
15 15 The script accepts certain command-line parameters to enable or disable specific OS features, services and configuration settings. These parameters are passed to the `rpi23-gen-image.sh` script via (simple) shell-variables. Unlike environment shell-variables (simple) shell-variables are defined at the beginning of the command-line call of the `rpi23-gen-image.sh` script.
16 16
17 17 ##### Command-line examples:
18 18 ```shell
19 19 ENABLE_UBOOT=true ./rpi23-gen-image.sh
20 20 ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi23-gen-image.sh
21 21 ENABLE_WM=xfce4 ENABLE_FBTURBO=true ENABLE_MINBASE=true ./rpi23-gen-image.sh
22 22 ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi23-gen-image.sh
23 23 APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi23-gen-image.sh
24 24 ENABLE_MINBASE=true ./rpi23-gen-image.sh
25 25 BUILD_KERNEL=true ENABLE_MINBASE=true ENABLE_IPV6=false ./rpi23-gen-image.sh
26 26 BUILD_KERNEL=true KERNELSRC_DIR=/tmp/linux ./rpi23-gen-image.sh
27 27 ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
28 28 ENABLE_CRYPTFS=true CRYPTFS_PASSWORD=changeme EXPANDROOT=false ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
29 29 RELEASE=stretch BUILD_KERNEL=true ./rpi23-gen-image.sh
30 30 RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
31 31 RELEASE=stretch RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
32 32 ```
33 33
34 34 ## Configuration template files
35 35 To avoid long lists of command-line parameters and to help to store the favourite parameter configurations the `rpi23-gen-image.sh` script supports so called configuration template files (`CONFIG_TEMPLATE`=template). These are simple text files located in the `./templates` directory that contain the list of configuration parameters that will be used. New configuration template files can be added to the `./templates` directory.
36 36
37 37 ##### Command-line examples:
38 38 ```shell
39 39 CONFIG_TEMPLATE=rpi3stretch ./rpi23-gen-image.sh
40 40 CONFIG_TEMPLATE=rpi2stretch ./rpi23-gen-image.sh
41 41 ```
42 42
43 43 ## Supported parameters and settings
44 44 #### APT settings:
45 45 ##### `APT_SERVER`="ftp.debian.org/debian"
46 46 Set Debian packages server address. Choose a server from the list of Debian worldwide [mirror sites](https://www.debian.org/mirror/list). Using a nearby server will probably speed-up all required downloads within the bootstrapping process.
47 47
48 48 ##### `APT_PROXY`=""
49 49 Set Proxy server address. Using a local Proxy-Cache like `apt-cacher-ng` will speed-up the bootstrapping process because all required Debian packages will only be downloaded from the Debian mirror site once. If `apt-cacher-ng` is running on default `http://127.0.0.1:3142` it is autodetected and you don't need to set this.
50 50
51 51 ##### `APT_INCLUDES`=""
52 52 A comma separated list of additional packages to be installed by debootstrap during bootstrapping.
53 53
54 54 ##### `APT_INCLUDES_LATE`=""
55 55 A comma separated list of additional packages to be installed by apt after bootstrapping and after APT sources are set up. This is useful for packages with pre-depends, which debootstrap do not handle well.
56 56
57 57 ---
58 58
59 59 #### General system settings:
60 60 ##### `SET_ARCH`=32
61 61 Set Architecture to default 32bit. If you want to to compile 64bit (RPI3 or RPI3+) set it to `64`. This option will set every needed crosscompiler or boeard specific option for a successful build.
62 62 If you want to change e.g. cross-compiler -> Templates always override defaults
63 63
64 64 ##### `RPI_MODEL`=2
65 65 Specifiy the target Raspberry Pi hardware model. The script at this time supports the following Raspberry Pi models:
66 66 `0` = Used for Raspberry Pi 0 and Raspberry Pi 0 W
67 67 `1` = Used for Pi 1 model A and B
68 68 `1P` = Used for Pi 1 model B+ and A+
69 69 `2` = Used for Pi 2 model B
70 70 `3` = Used for Pi 3 model B
71 71 `3P` = Used for Pi 3 model B+
72 72 `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` or `3P` is used.
73 73
74 74 ##### `RELEASE`="buster"
75 75 Set the desired Debian release name. The script at this time supports the bootstrapping of the Debian releases `stretch` and `buster`.
76 76
77 77 ##### `RELEASE_ARCH`="armhf"
78 78 Set the desired Debian release architecture.
79 79
80 80 ##### `HOSTNAME`="rpi$RPI_MODEL-$RELEASE"
81 81 Set system host name. It's recommended that the host name is unique in the corresponding subnet.
82 82
83 83 ##### `PASSWORD`="raspberry"
84 84 Set system `root` password. It's **STRONGLY** recommended that you choose a custom password.
85 85
86 86 ##### `USER_PASSWORD`="raspberry"
87 87 Set password for the created non-root user `USER_NAME`=pi. Ignored if `ENABLE_USER`=false. It's **STRONGLY** recommended that you choose a custom password.
88 88
89 89 ##### `DEFLOCAL`="en_US.UTF-8"
90 90 Set default system locale. This setting can also be changed inside the running OS using the `dpkg-reconfigure locales` command. Please note that on using this parameter the script will automatically install the required packages `locales`, `keyboard-configuration` and `console-setup`.
91 91
92 92 ##### `TIMEZONE`="Europe/Berlin"
93 93 Set default system timezone. All available timezones can be found in the `/usr/share/zoneinfo/` directory. This setting can also be changed inside the running OS using the `dpkg-reconfigure tzdata` command.
94 94
95 95 ##### `EXPANDROOT`=true
96 96 Expand the root partition and filesystem automatically on first boot.
97 97
98 98 ##### `ENABLE_QEMU`=false
99 99 Generate kernel (`vexpress_defconfig`), file system image (`qcow2`) and DTB files that can be used for QEMU full system emulation (`vexpress-A15`). The output files are stored in the `$(pwd)/images/qemu` directory. You can find more information about running the generated image in the QEMU section of this readme file.
100 100
101 101 ---
102 102
103 103 #### Keyboard settings:
104 104 These options are used to configure keyboard layout in `/etc/default/keyboard` for console and Xorg. These settings can also be changed inside the running OS using the `dpkg-reconfigure keyboard-configuration` command.
105 105
106 106 ##### `XKB_MODEL`=""
107 107 Set the name of the model of your keyboard type.
108 108
109 109 ##### `XKB_LAYOUT`=""
110 110 Set the supported keyboard layout(s).
111 111
112 112 ##### `XKB_VARIANT`=""
113 113 Set the supported variant(s) of the keyboard layout(s).
114 114
115 115 ##### `XKB_OPTIONS`=""
116 116 Set extra xkb configuration options.
117 117
118 118 ---
119 119
120 120 #### Networking settings (DHCP):
121 121 This parameter is used to set up networking auto configuration in `/etc/systemd/network/eth.network`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.`
122 122
123 123 ##### `ENABLE_DHCP`=true
124 124 Set the system to use DHCP. This requires an DHCP server.
125 125
126 126 ---
127 127
128 128 #### Networking settings (static):
129 129 These parameters are used to set up a static networking configuration in `/etc/systemd/network/eth.network`. The following static networking parameters are only supported if `ENABLE_DHCP` was set to `false`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.
130 130
131 131 ##### `NET_ADDRESS`=""
132 132 Set a static IPv4 or IPv6 address and its prefix, separated by "/", eg. "192.169.0.3/24".
133 133
134 134 ##### `NET_GATEWAY`=""
135 135 Set the IP address for the default gateway.
136 136
137 137 ##### `NET_DNS_1`=""
138 138 Set the IP address for the first DNS server.
139 139
140 140 ##### `NET_DNS_2`=""
141 141 Set the IP address for the second DNS server.
142 142
143 143 ##### `NET_DNS_DOMAINS`=""
144 144 Set the default DNS search domains to use for non fully qualified host names.
145 145
146 146 ##### `NET_NTP_1`=""
147 147 Set the IP address for the first NTP server.
148 148
149 149 ##### `NET_NTP_2`=""
150 150 Set the IP address for the second NTP server.
151 151
152 152 ---
153 153
154 154 #### Basic system features:
155 155 ##### `ENABLE_CONSOLE`=true
156 156 Enable serial console interface. Recommended if no monitor or keyboard is connected to the RPi2/3. In case of problems fe. if the network (auto) configuration failed - the serial console can be used to access the system.
157 On `RPI_MODEL= 0,3,3P` - Bluetooth gets auto enabled if `ENABLE_CONSOLE` and `ENABLE_UBOOT` are set to `false`
158 157
159 158 ##### `ENABLE_I2C`=false
160 159 Enable I2C interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
161 160
162 161 ##### `ENABLE_SPI`=false
163 162 Enable SPI interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
164 163
165 164 ##### `ENABLE_IPV6`=true
166 165 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
167 166
168 167 ##### `ENABLE_SSHD`=true
169 168 Install and enable OpenSSH service. The default configuration of the service doesn't allow `root` to login. Please use the user `pi` instead and `su -` or `sudo` to execute commands as root.
170 169
171 170 ##### `ENABLE_NONFREE`=false
172 171 Allow the installation of non-free Debian packages that do not comply with the DFSG. This is required to install closed-source firmware binary blobs.
173 172
174 173 ##### `ENABLE_WIRELESS`=false
175 174 Download and install the [closed-source firmware binary blob](https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm) that is required to run the internal wireless interface of the Raspberry Pi model `3`. This parameter is ignored if the specified `RPI_MODEL` is not `3`.
176 175
177 176 ##### `ENABLE_BLUETOOTH`=false
178 177 Enable Bluetooth interface on the RPi0/3.
179 178
180 179 ##### `ENABLE_RSYSLOG`=true
181 180 If set to false, disable and uninstall rsyslog (so logs will be available only in journal files)
182 181
183 182 ##### `ENABLE_SOUND`=true
184 183 Enable sound hardware and install Advanced Linux Sound Architecture.
185 184
186 185 ##### `ENABLE_HWRANDOM`=true
187 186 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
188 187
189 188 ##### `ENABLE_MINGPU`=false
190 189 Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
191 190
192 191 ##### `ENABLE_DBUS`=true
193 192 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
194 193
195 194 ##### `ENABLE_XORG`=false
196 195 Install Xorg open-source X Window System.
197 196
198 197 ##### `ENABLE_WM`=""
199 198 Install a user defined window manager for the X Window System. To make sure all X related package dependencies are getting installed `ENABLE_XORG` will automatically get enabled if `ENABLE_WM` is used. The `rpi23-gen-image.sh` script has been tested with the following list of window managers: `blackbox`, `openbox`, `fluxbox`, `jwm`, `dwm`, `xfce4`, `awesome`.
200 199
201 200 ##### `ENABLE_SYSVINIT`=false
202 201 Support for halt,init,poweroff,reboot,runlevel,shutdown,telinit commands
203 202
204 203 ---
205 204
206 205 #### Advanced system features:
207 206 ##### `ENABLE_MINBASE`=false
208 207 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
209 208
210 209 ##### `ENABLE_REDUCE`=false
211 210 Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
212 211
213 212 ##### `ENABLE_UBOOT`=false
214 213 Replace the default RPi2/3 second stage bootloader (bootcode.bin) with [U-Boot bootloader](https://git.denx.de/?p=u-boot.git;a=summary). U-Boot can boot images via the network using the BOOTP/TFTP protocol.
215 214
216 215 ##### `UBOOTSRC_DIR`=""
217 216 Path to a directory (`u-boot`) of [U-Boot bootloader sources](https://git.denx.de/?p=u-boot.git;a=summary) that will be copied, configured, build and installed inside the chroot.
218 217
219 218 ##### `ENABLE_FBTURBO`=false
220 219 Install and enable the [hardware accelerated Xorg video driver](https://github.com/ssvb/xf86-video-fbturbo) `fbturbo`. Please note that this driver is currently limited to hardware accelerated window moving and scrolling.
221 220
222 221 ##### `FBTURBOSRC_DIR`=""
223 222 Path to a directory (`xf86-video-fbturbo`) of [hardware accelerated Xorg video driver sources](https://github.com/ssvb/xf86-video-fbturbo) that will be copied, configured, build and installed inside the chroot.
224 223
225 224 ##### `ENABLE_VIDEOCORE`=false
226 225 Install and enable the [Source code for ARM side libraries for interfacing to Raspberry Pi GPU](https://github.com/raspberrypi/userland) `vcgencmd`. Please note that this driver is currently limited to hardware accelerated window moving and scrolling.
227 226
228 227 ##### `VIDEOCORESRC_DIR`=""
229 228 Path to a directory (`userland`) of [Source code for ARM side libraries for interfacing to Raspberry Pi GPU](https://github.com/raspberrypi/userland) that will be copied, configured, build and installed inside the chroot.
230 229
231 230 ##### `ENABLE_IPTABLES`=false
232 231 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
233 232
234 233 ##### `ENABLE_USER`=true
235 234 Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
236 235
237 236 ##### `USER_NAME`=pi
238 237 Non-root user to create. Ignored if `ENABLE_USER`=false
239 238
240 239 ##### `ENABLE_ROOT`=false
241 240 Set root user password so root login will be enabled
242 241
243 242 ##### `ENABLE_HARDNET`=false
244 243 Enable IPv4/IPv6 network stack hardening settings.
245 244
246 245 ##### `ENABLE_SPLITFS`=false
247 246 Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
248 247
249 248 ##### `CHROOT_SCRIPTS`=""
250 249 Path to a directory with scripts that should be run in the chroot before the image is finally built. Every executable file in this directory is run in lexicographical order.
251 250
252 251 ##### `ENABLE_INITRAMFS`=false
253 252 Create an initramfs that that will be loaded during the Linux startup process. `ENABLE_INITRAMFS` will automatically get enabled if `ENABLE_CRYPTFS`=true. This parameter will be ignored if `BUILD_KERNEL`=false.
254 253
255 254 ##### `ENABLE_IFNAMES`=true
256 255 Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names.
257 256
258 257 ##### `DISABLE_UNDERVOLT_WARNINGS`=
259 258 Disable RPi2/3 under-voltage warnings and overlays. Setting the parameter to `1` will disable the warning overlay. Setting it to `2` will additionally allow RPi2/3 turbo mode when low-voltage is present.
260 259
261 260 ---
262 261
263 262 #### SSH settings:
264 263 ##### `SSH_ENABLE_ROOT`=false
265 264 Enable password root login via SSH. This may be a security risk with default password, use only in trusted environments. `ENABLE_ROOT` must be set to `true`.
266 265
267 266 ##### `SSH_DISABLE_PASSWORD_AUTH`=false
268 267 Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
269 268
270 269 ##### `SSH_LIMIT_USERS`=false
271 270 Limit the users that are allowed to login via SSH. Only allow user `USER_NAME`=pi and root if `SSH_ENABLE_ROOT`=true to login. This parameter will be ignored if `dropbear` SSH is used (`REDUCE_SSHD`=true).
272 271
273 272 ##### `SSH_ROOT_PUB_KEY`=""
274 273 Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `root`. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported. `ENABLE_ROOT` **and** `SSH_ENABLE_ROOT` must be set to `true`.
275 274
276 275 ##### `SSH_USER_PUB_KEY`=""
277 276 Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `USER_NAME`=pi. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported.
278 277
279 278 ---
280 279
281 280 #### Kernel compilation:
282 281 ##### `BUILD_KERNEL`=true
283 282 Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used.
284 283
285 284 ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
286 285 This sets the cross compile enviornment for the compiler.
287 286
288 287 ##### `KERNEL_ARCH`="arm"
289 288 This sets the kernel architecture for the compiler.
290 289
291 290 ##### `KERNEL_IMAGE`="kernel7.img"
292 291 Name of the image file in the boot partition. If not set, `KERNEL_IMAGE` will be set to "kernel8.img" automatically if building for arm64.
293 292
294 293 ##### `KERNEL_BRANCH`=""
295 294 Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
296 295
297 296 ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
298 297 Sets the QEMU enviornment for the Debian archive. If not set, `QEMU_BINARY` will be set to "/usr/bin/qemu-aarch64-static" automatically if building for arm64.
299 298
300 299 ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
301 300 Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
302 301
303 302 ##### `KERNEL_REDUCE`=false
304 303 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
305 304
306 305 ##### `KERNEL_THREADS`=1
307 306 Number of parallel kernel building threads. If the parameter is left untouched the script will automatically determine the number of CPU cores to set the number of parallel threads to speed the kernel compilation.
308 307
309 308 ##### `KERNEL_HEADERS`=true
310 309 Install kernel headers with built kernel.
311 310
312 311 ##### `KERNEL_MENUCONFIG`=false
313 312 Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
314 313
315 314 ##### `KERNEL_OLDDEFCONFIG`=false
316 315 Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
317 316
318 317 ##### `KERNEL_CCACHE`=false
319 318 Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
320 319
321 320 ##### `KERNEL_REMOVESRC`=true
322 321 Remove all kernel sources from the generated OS image after it was built and installed.
323 322
324 323 ##### `KERNELSRC_DIR`=""
325 324 Path to a directory (`linux`) of [RaspberryPi Linux kernel sources](https://github.com/raspberrypi/linux) that will be copied, configured, build and installed inside the chroot.
326 325
327 326 ##### `KERNELSRC_CLEAN`=false
328 327 Clean the existing kernel sources directory `KERNELSRC_DIR` (using `make mrproper`) after it was copied to the chroot and before the compilation of the kernel has started. This parameter will be ignored if no `KERNELSRC_DIR` was specified or if `KERNELSRC_PREBUILT`=true.
329 328
330 329 ##### `KERNELSRC_CONFIG`=true
331 330 Run `make bcm2709_defconfig` (and optional `make menuconfig`) to configure the kernel sources before building. This parameter is automatically set to `true` if no existing kernel sources directory was specified using `KERNELSRC_DIR`. This parameter is ignored if `KERNELSRC_PREBUILT`=true.
332 331
333 332 ##### `KERNELSRC_USRCONFIG`=""
334 333 Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
335 334
336 335 ##### `KERNELSRC_PREBUILT`=false
337 336 With this parameter set to true the script expects the existing kernel sources directory to be already successfully cross-compiled. The parameters `KERNELSRC_CLEAN`, `KERNELSRC_CONFIG`, `KERNELSRC_USRCONFIG` and `KERNEL_MENUCONFIG` are ignored and no kernel compilation tasks are performed.
338 337
339 338 ##### `RPI_FIRMWARE_DIR`=""
340 339 The directory (`firmware`) containing a local copy of the firmware from the [RaspberryPi firmware project](https://github.com/raspberrypi/firmware). Default is to download the latest firmware directly from the project.
341 340
342 341 ##### `KERNEL_NF`=false
343 342 Enable Netfilter modules as kernel modules
344 343
345 344 ##### `KERNEL_VIRT`=false
346 345 Enable Kernel KVM support (/dev/kvm)
347 346
348 347 ##### `KERNEL_ZSWAP`=false
349 348 Enable Kernel Zswap support. Best use on high RAM load and mediocre CPU load usecases
350 349
351 350 ##### `KERNEL_BPF`=true
352 351 Allow attaching eBPF programs to a cgroup using the bpf syscall (CONFIG_BPF_SYSCALL CONFIG_CGROUP_BPF) [systemd compilations about it - File /lib/systemd/system/systemd-journald.server:36 configures an IP firewall (IPAddressDeny=all), but the local system does not support BPF/cgroup based firewalls]
353 352
354 353 ---
355 354
356 355 #### Reduce disk usage:
357 356 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
358 357
359 358 ##### `REDUCE_APT`=true
360 359 Configure APT to use compressed package repository lists and no package caching files.
361 360
362 361 ##### `REDUCE_DOC`=true
363 362 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
364 363
365 364 ##### `REDUCE_MAN`=true
366 365 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
367 366
368 367 ##### `REDUCE_VIM`=false
369 368 Replace `vim-tiny` package by `levee` a tiny vim clone.
370 369
371 370 ##### `REDUCE_BASH`=false
372 371 Remove `bash` package and switch to `dash` shell (experimental).
373 372
374 373 ##### `REDUCE_HWDB`=true
375 374 Remove PCI related hwdb files (experimental).
376 375
377 376 ##### `REDUCE_SSHD`=true
378 377 Replace `openssh-server` with `dropbear`.
379 378
380 379 ##### `REDUCE_LOCALE`=true
381 380 Remove all `locale` translation files.
382 381
383 382 ---
384 383
385 384 #### Encrypted root partition:
386 385 ##### `ENABLE_CRYPTFS`=false
387 386 Enable full system encryption with dm-crypt. Setup a fully LUKS encrypted root partition (aes-xts-plain64:sha512) and generate required initramfs. The /boot directory will not be encrypted. This parameter will be ignored if `BUILD_KERNEL`=false. `ENABLE_CRYPTFS` is experimental. SSH-to-initramfs is currently not supported but will be soon - feel free to help.
388 387
389 388 ##### `CRYPTFS_PASSWORD`=""
390 389 Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
391 390
392 391 ##### `CRYPTFS_MAPPING`="secure"
393 392 Set name of dm-crypt managed device-mapper mapping.
394 393
395 394 ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
396 395 Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
397 396
398 397 ##### `CRYPTFS_XTSKEYSIZE`=512
399 398 Sets key size in bits. The argument has to be a multiple of 8.
400 399
401 400 ---
402 401
403 402 #### Build settings:
404 403 ##### `BASEDIR`=$(pwd)/images/${RELEASE}
405 404 Set a path to a working directory used by the script to generate an image.
406 405
407 406 ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
408 407 Set a filename for the output file(s). Note: the script will create $IMAGE_NAME.img if `ENABLE_SPLITFS`=false or $IMAGE_NAME-frmw.img and $IMAGE_NAME-root.img if `ENABLE_SPLITFS`=true. Note 2: If the KERNEL_BRANCH is not set, the word "CURRENT" is used.
409 408
410 409 ## Understanding the script
411 410 The functions of this script that are required for the different stages of the bootstrapping are split up into single files located inside the `bootstrap.d` directory. During the bootstrapping every script in this directory gets executed in lexicographical order:
412 411
413 412 | Script | Description |
414 413 | --- | --- |
415 414 | `10-bootstrap.sh` | Debootstrap basic system |
416 415 | `11-apt.sh` | Setup APT repositories |
417 416 | `12-locale.sh` | Setup Locales and keyboard settings |
418 417 | `13-kernel.sh` | Build and install RPi2/3 Kernel |
419 418 | `14-fstab.sh` | Setup fstab and initramfs |
420 419 | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
421 420 | `20-networking.sh` | Setup Networking |
422 421 | `21-firewall.sh` | Setup Firewall |
423 422 | `30-security.sh` | Setup Users and Security settings |
424 423 | `31-logging.sh` | Setup Logging |
425 424 | `32-sshd.sh` | Setup SSH and public keys |
426 425 | `41-uboot.sh` | Build and Setup U-Boot |
427 426 | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
428 427 | `50-firstboot.sh` | First boot actions |
429 428 | `99-reduce.sh` | Reduce the disk space usage |
430 429
431 430 All the required configuration files that will be copied to the generated OS image are located inside the `files` directory. It is not recommended to modify these configuration files manually.
432 431
433 432 | Directory | Description |
434 433 | --- | --- |
435 434 | `apt` | APT management configuration files |
436 435 | `boot` | Boot and RPi2/3 configuration files |
437 436 | `dpkg` | Package Manager configuration |
438 437 | `etc` | Configuration files and rc scripts |
439 438 | `firstboot` | Scripts that get executed on first boot |
440 439 | `initramfs` | Initramfs scripts |
441 440 | `iptables` | Firewall configuration files |
442 441 | `locales` | Locales configuration |
443 442 | `modules` | Kernel Modules configuration |
444 443 | `mount` | Fstab configuration |
445 444 | `network` | Networking configuration files |
446 445 | `sysctl.d` | Swapping and Network Hardening configuration |
447 446 | `xorg` | fbturbo Xorg driver configuration |
448 447
449 448 ## Custom packages and scripts
450 449 Debian custom packages, i.e. those not in the debian repositories, can be installed by placing them in the `packages` directory. They are installed immediately after packages from the repositories are installed. Any dependencies listed in the custom packages will be downloaded automatically from the repositories. Do not list these custom packages in `APT_INCLUDES`.
451 450
452 451 Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
453 452
454 453 ## Logging of the bootstrapping process
455 454 All information related to the bootstrapping process and the commands executed by the `rpi23-gen-image.sh` script can easily be saved into a logfile. The common shell command `script` can be used for this purpose:
456 455
457 456 ```shell
458 457 script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
459 458 ```
460 459
461 460 ## Flashing the image file
462 461 After the image file was successfully created by the `rpi23-gen-image.sh` script it can be copied to the microSD card that will be used by the RPi2/3 computer. This can be performed by using the tools `bmaptool` or `dd`. Using `bmaptool` will probably speed-up the copy process because `bmaptool` copies more wisely than `dd`.
463 462
464 463 ##### Flashing examples:
465 464 ```shell
466 465 bmaptool copy ./images/buster/2017-01-23-rpi3-buster.img /dev/mmcblk0
467 466 dd bs=4M if=./images/buster/2017-01-23-rpi3-buster.img of=/dev/mmcblk0
468 467 ```
469 468 If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
470 469 ```shell
471 470 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-frmw.img /dev/mmcblk0
472 471 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-root.img /dev/sdc
473 472 ```
474 473
475 474 ## QEMU emulation
476 475 Start QEMU full system emulation:
477 476 ```shell
478 477 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=tty1"
479 478 ```
480 479
481 480 Start QEMU full system emulation and output to console:
482 481 ```shell
483 482 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
484 483 ```
485 484
486 485 Start QEMU full system emulation with SMP and output to console:
487 486 ```shell
488 487 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -smp cpus=2,maxcpus=2 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
489 488 ```
490 489
491 490 Start QEMU full system emulation with cryptfs, initramfs and output to console:
492 491 ```shell
493 492 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -initrd "initramfs-${KERNEL_VERSION}" -append "root=/dev/mapper/secure cryptdevice=/dev/mmcblk0p2:secure rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
494 493 ```
495 494
496 495 ## External links and references
497 496 * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
498 497 * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
499 498 * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
500 499 * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
501 500 * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
502 501 * [U-BOOT git repository](https://git.denx.de/?p=u-boot.git;a=summary)
503 502 * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
504 503 * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
505 504 * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)
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1 1 #!/bin/sh
2 2 ########################################################################
3 3 # rpi23-gen-image.sh 2015-2017
4 4 #
5 5 # Advanced Debian "stretch" and "buster" bootstrap script for RPi2/3
6 6 #
7 7 # This program is free software; you can redistribute it and/or
8 8 # modify it under the terms of the GNU General Public License
9 9 # as published by the Free Software Foundation; either version 2
10 10 # of the License, or (at your option) any later version.
11 11 #
12 12 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
13 13 #
14 14 # Big thanks for patches and enhancements by 20+ github contributors!
15 15 ########################################################################
16 16
17 17 # Are we running as root?
18 18 if [ "$(id -u)" -ne "0" ] ; then
19 19 echo "error: this script must be executed with root privileges!"
20 20 exit 1
21 21 fi
22 22
23 23 # Check if ./functions.sh script exists
24 24 if [ ! -r "./functions.sh" ] ; then
25 25 echo "error: './functions.sh' required script not found!"
26 26 exit 1
27 27 fi
28 28
29 29 # Load utility functions
30 30 . ./functions.sh
31 31
32 32 # Load parameters from configuration template file
33 33 if [ -n "$CONFIG_TEMPLATE" ] ; then
34 34 use_template
35 35 fi
36 36
37 37 # Introduce settings
38 38 set -e
39 39 echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
40 40 set -x
41 41
42 42 # Raspberry Pi model configuration
43 43 RPI_MODEL=${RPI_MODEL:=2}
44 44
45 45 # Debian release
46 46 RELEASE=${RELEASE:=buster}
47 47
48 48 # Kernel Branch
49 49 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
50 50
51 51 # URLs
52 52 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
53 53 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
54 54 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
55 55 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
56 56 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
57 57 UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
58 58 VIDEOCORE_URL=${VIDEOCORE_URL:=https://github.com/raspberrypi/userland}
59 59 #BIS= Kernel has KVM and zswap enabled
60 60 RPI3_64_BIS_KERNEL_URL=${RPI3_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel-bis/releases/download/4.14.80.20181113/bcmrpi3-kernel-bis-4.14.80.20181113.tar.xz}
61 61 #default bcmrpi3_defconfig target kernel
62 62 RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel/releases/download/4.14.80.20181113/bcmrpi3-kernel-4.14.80.20181113.tar.xz}
63 63 #enhanced kernel
64 64 RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_BIS_KERNEL_URL}
65 65 BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
66 66
67 67 # Build directories
68 68 WORKDIR=$(pwd)
69 69 BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}
70 70 BUILDDIR="${BASEDIR}/build"
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="${R}/usr/src/linux"
78 78 WLAN_FIRMWARE_DIR="${LIB_DIR}/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:=32}
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_BLUETOOTH=${ENABLE_BLUETOOTH:=false}
116 116 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
117 117 ENABLE_I2C=${ENABLE_I2C:=false}
118 118 ENABLE_SPI=${ENABLE_SPI:=false}
119 119 ENABLE_IPV6=${ENABLE_IPV6:=true}
120 120 ENABLE_SSHD=${ENABLE_SSHD:=true}
121 121 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
122 122 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
123 123 ENABLE_SOUND=${ENABLE_SOUND:=true}
124 124 ENABLE_DBUS=${ENABLE_DBUS:=true}
125 125 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
126 126 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
127 127 ENABLE_XORG=${ENABLE_XORG:=false}
128 128 ENABLE_WM=${ENABLE_WM:=""}
129 129 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
130 130 ENABLE_USER=${ENABLE_USER:=true}
131 131 USER_NAME=${USER_NAME:="pi"}
132 132 ENABLE_ROOT=${ENABLE_ROOT:=false}
133 133 ENABLE_QEMU=${ENABLE_QEMU:=false}
134 134 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
135 135
136 136 # SSH settings
137 137 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
138 138 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
139 139 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
140 140 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
141 141 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
142 142
143 143 # Advanced settings
144 144 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
145 145 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
146 146 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
147 147 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
148 148 ENABLE_UBOOTUSB=${ENABLE_UBOOTUSB=false}
149 149 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
150 150 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
151 151 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
152 152 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
153 153 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
154 154 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
155 155 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
156 156 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
157 157 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
158 158 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
159 159
160 160 # Kernel compilation settings
161 161 BUILD_KERNEL=${BUILD_KERNEL:=true}
162 162 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
163 163 KERNEL_THREADS=${KERNEL_THREADS:=1}
164 164 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
165 165 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
166 166 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
167 167 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
168 168 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
169 169 KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}
170 170 KERNEL_VIRT=${KERNEL_VIRT:=false}
171 171 KERNEL_BPF=${KERNEL_BPF:=false}
172 172
173 173 # Kernel compilation from source directory settings
174 174 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
175 175 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
176 176 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
177 177 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
178 178
179 179 # Reduce disk usage settings
180 180 REDUCE_APT=${REDUCE_APT:=true}
181 181 REDUCE_DOC=${REDUCE_DOC:=true}
182 182 REDUCE_MAN=${REDUCE_MAN:=true}
183 183 REDUCE_VIM=${REDUCE_VIM:=false}
184 184 REDUCE_BASH=${REDUCE_BASH:=false}
185 185 REDUCE_HWDB=${REDUCE_HWDB:=true}
186 186 REDUCE_SSHD=${REDUCE_SSHD:=true}
187 187 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
188 188
189 189 # Encrypted filesystem settings
190 190 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
191 191 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
192 192 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
193 193 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
194 194 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
195 195
196 196 # Chroot scripts directory
197 197 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
198 198
199 199 # Packages required in the chroot build environment
200 200 APT_INCLUDES=${APT_INCLUDES:=""}
201 201 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
202 202
203 203 #Packages to exclude from chroot build environment
204 204 APT_EXCLUDES=${APT_EXCLUDES:=""}
205 205
206 206 # Packages required for bootstrapping
207 207 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo netselect-apt"
208 208 MISSING_PACKAGES=""
209 209
210 210 # Packages installed for c/c++ build environment in chroot (keep empty)
211 211 COMPILER_PACKAGES=""
212 212
213 213 set +x
214 214
215 215 #Check if apt-cacher-ng has port 3142 open and set APT_PROXY
216 216 APT_CACHER_RUNNING=$(lsof -i :3142 | grep apt-cacher-ng | cut -d ' ' -f3 | uniq)
217 217 if [ -n ${APT_CACHER_RUNNING} ] ; then
218 218 APT_PROXY=http://127.0.0.1:3142/
219 219 fi
220 220
221 221 #netselect-apt does not know buster yet
222 222 if [ "$RELEASE" = "buster" ] ; then
223 223 RLS=testing
224 224 else
225 225 RLS="$RELEASE"
226 226 fi
227 227
228 228 if [ -f "$(pwd)/files/apt/sources.list" ] ; then
229 229 rm "$(pwd)/files/apt/sources.list"
230 230 fi
231 231
232 232 if [ "$ENABLE_NONFREE" = true ] ; then
233 233 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --nonfree --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
234 234 else
235 235 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
236 236 fi
237 237
238 238 #sed and cut the result string so we can use it as APT_SERVER
239 239 APT_SERVER=$(grep -m 1 http files/apt/sources.list | sed "s|http://| |g" | cut -d ' ' -f 3 | sed 's|/$|''|')
240 240
241 241 #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
242 242 if [ -n "$SET_ARCH" ] ; then
243 243 # 64 bit configuration
244 244 if [ "$SET_ARCH" = 64 ] ; then
245 245 # General 64 bit depended settings
246 246 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
247 247 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
248 248 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
249 249
250 250 # Board specific settings
251 251 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
252 252 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
253 253 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
254 254 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
255 255 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
256 256 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
257 257 else
258 258 echo "error: Only Raspberry PI 3 and 3B+ support 64 bit"
259 259 exit 1
260 260 fi
261 261 fi
262 262
263 263 # 32 bit configuration
264 264 if [ "$SET_ARCH" = 32 ] ; then
265 265 # General 32 bit dependend settings
266 266 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
267 267 KERNEL_ARCH=${KERNEL_ARCH:=arm}
268 268 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
269 269
270 270 # Hardware specific settings
271 271 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
272 272 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
273 273 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
274 274 RELEASE_ARCH=${RELEASE_ARCH:=armel}
275 275 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
276 276 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
277 277 fi
278 278
279 279 # Hardware specific settings
280 280 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
281 281 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
282 282 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
283 283 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
284 284 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
285 285 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
286 286 fi
287 287 fi
288 288 #SET_ARCH not set
289 289 else
290 290 echo "error: Please set '32' or '64' as value for SET_ARCH"
291 291 exit 1
292 292 fi
293 293 # Device specific configuration and U-Boot configuration
294 294 case "$RPI_MODEL" in
295 295 0)
296 296 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
297 297 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
298 298 ;;
299 299 1)
300 300 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
301 301 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
302 302 ;;
303 303 1P)
304 304 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
305 305 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
306 306 ;;
307 307 2)
308 308 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
309 309 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
310 310 ;;
311 311 3)
312 312 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
313 313 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
314 314 ;;
315 315 3P)
316 316 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
317 317 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
318 318 ;;
319 319 *)
320 320 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
321 321 exit 1
322 322 ;;
323 323 esac
324 324
325 325 # Prepare date string for default image file name
326 326 DATE="$(date +%Y-%m-%d)"
327 327 if [ -z "$KERNEL_BRANCH" ] ; then
328 328 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
329 329 else
330 330 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
331 331 fi
332 332
333 333 # Check if the internal wireless interface is supported by the RPi model
334 334 if [ "$ENABLE_WIRELESS" = true ] ; then
335 335 if [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ] ; then
336 336 echo "error: The selected Raspberry Pi model has no internal wireless interface"
337 337 exit 1
338 338 fi
339 339 fi
340 340
341 341 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
342 342 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
343 343 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
344 344 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
345 345 exit 1
346 346 fi
347 347 fi
348 348
349 349 # Add cmake to compile videocore sources
350 350 if [ "$ENABLE_VIDEOCORE" = true ] ; then
351 351 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
352 352 fi
353 353
354 354 # Add libncurses5 to enable kernel menuconfig
355 355 if [ "$KERNEL_MENUCONFIG" = true ] ; then
356 356 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
357 357 fi
358 358
359 359 # Add ccache compiler cache for (faster) kernel cross (re)compilation
360 360 if [ "$KERNEL_CCACHE" = true ] ; then
361 361 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
362 362 fi
363 363
364 364 # Add cryptsetup package to enable filesystem encryption
365 365 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
366 366 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
367 367 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
368 368
369 369 if [ -z "$CRYPTFS_PASSWORD" ] ; then
370 370 echo "error: no password defined (CRYPTFS_PASSWORD)!"
371 371 exit 1
372 372 fi
373 373 ENABLE_INITRAMFS=true
374 374 fi
375 375
376 376 # Add initramfs generation tools
377 377 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
378 378 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
379 379 fi
380 380
381 381 # Add device-tree-compiler required for building the U-Boot bootloader
382 382 if [ "$ENABLE_UBOOT" = true ] ; then
383 383 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
384 384 else
385 385 if [ "$ENABLE_UBOOTUSB" = true ] ; then
386 386 echo "error: Enabling UBOOTUSB requires u-boot to be enabled"
387 387 exit 1
388 388 fi
389 389 fi
390 390
391 391 if [ "$ENABLE_BLUETOOTH" = true ] ; then
392 392 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
393 393 if [ "$ENABLE_CONSOLE" = false ] ; then
394 394 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
395 395 fi
396 396 fi
397 397 fi
398 398
399 if [ "$ENABLE_BLUETOOTH" = true ] ; then
400 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
401 if [ "$ENABLE_CONSOLE" = false ] ; then
402 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
403 fi
404 fi
405 fi
406
399 407 # Check if root SSH (v2) public key file exists
400 408 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
401 409 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
402 410 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
403 411 exit 1
404 412 fi
405 413 fi
406 414
407 415 # Check if $USER_NAME SSH (v2) public key file exists
408 416 if [ -n "$SSH_USER_PUB_KEY" ] ; then
409 417 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
410 418 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
411 419 exit 1
412 420 fi
413 421 fi
414 422
415 423 # Check if all required packages are installed on the build system
416 424 for package in $REQUIRED_PACKAGES ; do
417 425 if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
418 426 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
419 427 fi
420 428 done
421 429
422 430 # If there are missing packages ask confirmation for install, or exit
423 431 if [ -n "$MISSING_PACKAGES" ] ; then
424 432 echo "the following packages needed by this script are not installed:"
425 433 echo "$MISSING_PACKAGES"
426 434
427 435 printf "\ndo you want to install the missing packages right now? [y/n] "
428 436 read -r confirm
429 437 [ "$confirm" != "y" ] && exit 1
430 438
431 439 # Make sure all missing required packages are installed
432 440 apt-get -qq -y install "${MISSING_PACKAGES}"
433 441 fi
434 442
435 443 # Check if ./bootstrap.d directory exists
436 444 if [ ! -d "./bootstrap.d/" ] ; then
437 445 echo "error: './bootstrap.d' required directory not found!"
438 446 exit 1
439 447 fi
440 448
441 449 # Check if ./files directory exists
442 450 if [ ! -d "./files/" ] ; then
443 451 echo "error: './files' required directory not found!"
444 452 exit 1
445 453 fi
446 454
447 455 # Check if specified KERNELSRC_DIR directory exists
448 456 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
449 457 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
450 458 exit 1
451 459 fi
452 460
453 461 # Check if specified UBOOTSRC_DIR directory exists
454 462 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
455 463 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
456 464 exit 1
457 465 fi
458 466
459 467 # Check if specified VIDEOCORESRC_DIR directory exists
460 468 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
461 469 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
462 470 exit 1
463 471 fi
464 472
465 473 # Check if specified FBTURBOSRC_DIR directory exists
466 474 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
467 475 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
468 476 exit 1
469 477 fi
470 478
471 479 # Check if specified CHROOT_SCRIPTS directory exists
472 480 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
473 481 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
474 482 exit 1
475 483 fi
476 484
477 485 # Check if specified device mapping already exists (will be used by cryptsetup)
478 486 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
479 487 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
480 488 exit 1
481 489 fi
482 490
483 491 # Don't clobber an old build
484 492 if [ -e "$BUILDDIR" ] ; then
485 493 echo "error: directory ${BUILDDIR} already exists, not proceeding"
486 494 exit 1
487 495 fi
488 496
489 497 # Setup chroot directory
490 498 mkdir -p "${R}"
491 499
492 500 # Check if build directory has enough of free disk space >512MB
493 501 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
494 502 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
495 503 exit 1
496 504 fi
497 505
498 506 set -x
499 507
500 508 # Call "cleanup" function on various signals and errors
501 509 trap cleanup 0 1 2 3 6
502 510
503 511 # Add required packages for the minbase installation
504 512 if [ "$ENABLE_MINBASE" = true ] ; then
505 513 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
506 514 fi
507 515
508 516 # Add parted package, required to get partprobe utility
509 517 if [ "$EXPANDROOT" = true ] ; then
510 518 APT_INCLUDES="${APT_INCLUDES},parted"
511 519 fi
512 520
513 521 # Add dbus package, recommended if using systemd
514 522 if [ "$ENABLE_DBUS" = true ] ; then
515 523 APT_INCLUDES="${APT_INCLUDES},dbus"
516 524 fi
517 525
518 526 # Add iptables IPv4/IPv6 package
519 527 if [ "$ENABLE_IPTABLES" = true ] ; then
520 528 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
521 529 fi
522 530
523 531 # Add openssh server package
524 532 if [ "$ENABLE_SSHD" = true ] ; then
525 533 APT_INCLUDES="${APT_INCLUDES},openssh-server"
526 534 fi
527 535
528 536 # Add alsa-utils package
529 537 if [ "$ENABLE_SOUND" = true ] ; then
530 538 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
531 539 fi
532 540
533 541 # Add rng-tools package
534 542 if [ "$ENABLE_HWRANDOM" = true ] ; then
535 543 APT_INCLUDES="${APT_INCLUDES},rng-tools"
536 544 fi
537 545
538 546 # Add fbturbo video driver
539 547 if [ "$ENABLE_FBTURBO" = true ] ; then
540 548 # Enable xorg package dependencies
541 549 ENABLE_XORG=true
542 550 fi
543 551
544 552 # Add user defined window manager package
545 553 if [ -n "$ENABLE_WM" ] ; then
546 554 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
547 555
548 556 # Enable xorg package dependencies
549 557 ENABLE_XORG=true
550 558 fi
551 559
552 560 # Add xorg package
553 561 if [ "$ENABLE_XORG" = true ] ; then
554 562 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
555 563 fi
556 564
557 565 # Replace selected packages with smaller clones
558 566 if [ "$ENABLE_REDUCE" = true ] ; then
559 567 # Add levee package instead of vim-tiny
560 568 if [ "$REDUCE_VIM" = true ] ; then
561 569 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
562 570 fi
563 571
564 572 # Add dropbear package instead of openssh-server
565 573 if [ "$REDUCE_SSHD" = true ] ; then
566 574 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
567 575 fi
568 576 fi
569 577
570 578 # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
571 579 if [ "$ENABLE_SYSVINIT" = false ] ; then
572 580 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
573 581 fi
574 582
575 583 # Configure kernel sources if no KERNELSRC_DIR
576 584 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
577 585 KERNELSRC_CONFIG=true
578 586 fi
579 587
580 588 # Configure reduced kernel
581 589 if [ "$KERNEL_REDUCE" = true ] ; then
582 590 KERNELSRC_CONFIG=false
583 591 fi
584 592
585 593 # Configure qemu compatible kernel
586 594 if [ "$ENABLE_QEMU" = true ] ; then
587 595 DTB_FILE=vexpress-v2p-ca15_a7.dtb
588 596 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
589 597 KERNEL_DEFCONFIG="vexpress_defconfig"
590 598 if [ "$KERNEL_MENUCONFIG" = false ] ; then
591 599 KERNEL_OLDDEFCONFIG=true
592 600 fi
593 601 fi
594 602
595 603 # Execute bootstrap scripts
596 604 for SCRIPT in bootstrap.d/*.sh; do
597 605 head -n 3 "$SCRIPT"
598 606 . "$SCRIPT"
599 607 done
600 608
601 609 ## Execute custom bootstrap scripts
602 610 if [ -d "custom.d" ] ; then
603 611 for SCRIPT in custom.d/*.sh; do
604 612 . "$SCRIPT"
605 613 done
606 614 fi
607 615
608 616 # Execute custom scripts inside the chroot
609 617 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
610 618 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
611 619 chroot_exec /bin/bash -x <<'EOF'
612 620 for SCRIPT in /chroot_scripts/* ; do
613 621 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
614 622 $SCRIPT
615 623 fi
616 624 done
617 625 EOF
618 626 rm -rf "${R}/chroot_scripts"
619 627 fi
620 628
621 629 # Remove c/c++ build environment from the chroot
622 630 chroot_remove_cc
623 631
624 632 # Generate required machine-id
625 633 MACHINE_ID=$(dbus-uuidgen)
626 634 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
627 635 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
628 636
629 637 # APT Cleanup
630 638 chroot_exec apt-get -y clean
631 639 chroot_exec apt-get -y autoclean
632 640 chroot_exec apt-get -y autoremove
633 641
634 642 # Unmount mounted filesystems
635 643 umount -l "${R}/proc"
636 644 umount -l "${R}/sys"
637 645
638 646 # Clean up directories
639 647 rm -rf "${R}/run/*"
640 648 rm -rf "${R}/tmp/*"
641 649
642 650 # Clean up files
643 651 rm -f "${ETC_DIR}/ssh/ssh_host_*"
644 652 rm -f "${ETC_DIR}/dropbear/dropbear_*"
645 653 rm -f "${ETC_DIR}/apt/sources.list.save"
646 654 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
647 655 rm -f "${ETC_DIR}/*-"
648 656 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
649 657 rm -f "${ETC_DIR}/resolv.conf"
650 658 rm -f "${R}/root/.bash_history"
651 659 rm -f "${R}/var/lib/urandom/random-seed"
652 660 rm -f "${R}/initrd.img"
653 661 rm -f "${R}/vmlinuz"
654 662 rm -f "${R}${QEMU_BINARY}"
655 663
656 664 if [ "$ENABLE_QEMU" = true ] ; then
657 665 # Setup QEMU directory
658 666 mkdir "${BASEDIR}/qemu"
659 667
660 668 # Copy kernel image to QEMU directory
661 669 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
662 670
663 671 # Copy kernel config to QEMU directory
664 672 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
665 673
666 674 # Copy kernel dtbs to QEMU directory
667 675 for dtb in "${BOOT_DIR}/"*.dtb ; do
668 676 if [ -f "${dtb}" ] ; then
669 677 install_readonly "${dtb}" "${BASEDIR}/qemu/"
670 678 fi
671 679 done
672 680
673 681 # Copy kernel overlays to QEMU directory
674 682 if [ -d "${BOOT_DIR}/overlays" ] ; then
675 683 # Setup overlays dtbs directory
676 684 mkdir "${BASEDIR}/qemu/overlays"
677 685
678 686 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
679 687 if [ -f "${dtb}" ] ; then
680 688 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
681 689 fi
682 690 done
683 691 fi
684 692
685 693 # Copy u-boot files to QEMU directory
686 694 if [ "$ENABLE_UBOOT" = true ] ; then
687 695 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
688 696 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
689 697 fi
690 698 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
691 699 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
692 700 fi
693 701 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
694 702 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
695 703 fi
696 704 fi
697 705
698 706 # Copy initramfs to QEMU directory
699 707 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
700 708 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
701 709 fi
702 710 fi
703 711
704 712 # Calculate size of the chroot directory in KB
705 713 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
706 714
707 715 # Calculate the amount of needed 512 Byte sectors
708 716 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
709 717 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
710 718 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
711 719
712 720 # The root partition is EXT4
713 721 # This means more space than the actual used space of the chroot is used.
714 722 # As overhead for journaling and reserved blocks 35% are added.
715 723 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
716 724
717 725 # Calculate required image size in 512 Byte sectors
718 726 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
719 727
720 728 # Prepare image file
721 729 if [ "$ENABLE_SPLITFS" = true ] ; then
722 730 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
723 731 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
724 732 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
725 733 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
726 734
727 735 # Write firmware/boot partition tables
728 736 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
729 737 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
730 738 EOM
731 739
732 740 # Write root partition table
733 741 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
734 742 ${TABLE_SECTORS},${ROOT_SECTORS},83
735 743 EOM
736 744
737 745 # Setup temporary loop devices
738 746 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
739 747 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
740 748 else # ENABLE_SPLITFS=false
741 749 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
742 750 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
743 751
744 752 # Write partition table
745 753 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
746 754 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
747 755 ${ROOT_OFFSET},${ROOT_SECTORS},83
748 756 EOM
749 757
750 758 # Setup temporary loop devices
751 759 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
752 760 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
753 761 fi
754 762
755 763 if [ "$ENABLE_CRYPTFS" = true ] ; then
756 764 # Create dummy ext4 fs
757 765 mkfs.ext4 "$ROOT_LOOP"
758 766
759 767 # Setup password keyfile
760 768 touch .password
761 769 chmod 600 .password
762 770 echo -n ${CRYPTFS_PASSWORD} > .password
763 771
764 772 # Initialize encrypted partition
765 773 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
766 774
767 775 # Open encrypted partition and setup mapping
768 776 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
769 777
770 778 # Secure delete password keyfile
771 779 shred -zu .password
772 780
773 781 # Update temporary loop device
774 782 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
775 783
776 784 # Wipe encrypted partition (encryption cipher is used for randomness)
777 785 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
778 786 fi
779 787
780 788 # Build filesystems
781 789 mkfs.vfat "$FRMW_LOOP"
782 790 mkfs.ext4 "$ROOT_LOOP"
783 791
784 792 # Mount the temporary loop devices
785 793 mkdir -p "$BUILDDIR/mount"
786 794 mount "$ROOT_LOOP" "$BUILDDIR/mount"
787 795
788 796 mkdir -p "$BUILDDIR/mount/boot/firmware"
789 797 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
790 798
791 799 # Copy all files from the chroot to the loop device mount point directory
792 800 rsync -a "${R}/" "$BUILDDIR/mount/"
793 801
794 802 # Unmount all temporary loop devices and mount points
795 803 cleanup
796 804
797 805 # Create block map file(s) of image(s)
798 806 if [ "$ENABLE_SPLITFS" = true ] ; then
799 807 # Create block map files for "bmaptool"
800 808 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
801 809 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
802 810
803 811 # Image was successfully created
804 812 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
805 813 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
806 814 else
807 815 # Create block map file for "bmaptool"
808 816 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
809 817
810 818 # Image was successfully created
811 819 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
812 820
813 821 # Create qemu qcow2 image
814 822 if [ "$ENABLE_QEMU" = true ] ; then
815 823 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
816 824 QEMU_SIZE=16G
817 825
818 826 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
819 827 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
820 828
821 829 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
822 830 fi
823 831 fi
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