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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. On `RPI_MODEL= 0,3,3P` - Bluetooth gets auto enabled if `ENABLE_CONSOLE` and `ENABLE_UBOOT` are set to `false`
157 157
158 158 ##### `ENABLE_I2C`=false
159 159 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.
160 160
161 161 ##### `ENABLE_SPI`=false
162 162 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.
163 163
164 164 ##### `ENABLE_IPV6`=true
165 165 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
166 166
167 167 ##### `ENABLE_SSHD`=true
168 168 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.
169 169
170 170 ##### `ENABLE_NONFREE`=false
171 171 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.
172 172
173 173 ##### `ENABLE_WIRELESS`=false
174 174 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`.
175 175
176 ##### `ENABLE_BLUETOOTH`=false
177 Enable Bluetooth interface on the RPi0/3.
178
176 179 ##### `ENABLE_RSYSLOG`=true
177 180 If set to false, disable and uninstall rsyslog (so logs will be available only
178 181 in journal files)
179 182
180 183 ##### `ENABLE_SOUND`=true
181 184 Enable sound hardware and install Advanced Linux Sound Architecture.
182 185
183 186 ##### `ENABLE_HWRANDOM`=true
184 187 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
185 188
186 189 ##### `ENABLE_MINGPU`=false
187 190 Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
188 191
189 192 ##### `ENABLE_DBUS`=true
190 193 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
191 194
192 195 ##### `ENABLE_XORG`=false
193 196 Install Xorg open-source X Window System.
194 197
195 198 ##### `ENABLE_WM`=""
196 199 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`.
197 200
198 201 ##### `ENABLE_SYSVINIT`=false
199 202 Support for halt,init,poweroff,reboot,runlevel,shutdown,telinit commands
200 203
201 204 ---
202 205
203 206 #### Advanced system features:
204 207 ##### `ENABLE_MINBASE`=false
205 208 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
206 209
207 210 ##### `ENABLE_REDUCE`=false
208 211 Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
209 212
210 213 ##### `ENABLE_UBOOT`=false
211 214 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.
212 215
213 216 ##### `UBOOTSRC_DIR`=""
214 217 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.
215 218
216 219 ##### `ENABLE_FBTURBO`=false
217 220 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.
218 221
219 222 ##### `FBTURBOSRC_DIR`=""
220 223 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.
221 224
222 225 ##### `ENABLE_VIDEOCORE`=false
223 226 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.
224 227
225 228 ##### `VIDEOCORESRC_DIR`=""
226 229 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.
227 230
228 231 ##### `ENABLE_IPTABLES`=false
229 232 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
230 233
231 234 ##### `ENABLE_USER`=true
232 235 Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
233 236
234 237 ##### `USER_NAME`=pi
235 238 Non-root user to create. Ignored if `ENABLE_USER`=false
236 239
237 240 ##### `ENABLE_ROOT`=false
238 241 Set root user password so root login will be enabled
239 242
240 243 ##### `ENABLE_HARDNET`=false
241 244 Enable IPv4/IPv6 network stack hardening settings.
242 245
243 246 ##### `ENABLE_SPLITFS`=false
244 247 Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
245 248
246 249 ##### `CHROOT_SCRIPTS`=""
247 250 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.
248 251
249 252 ##### `ENABLE_INITRAMFS`=false
250 253 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.
251 254
252 255 ##### `ENABLE_IFNAMES`=true
253 256 Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names.
254 257
255 258 ##### `DISABLE_UNDERVOLT_WARNINGS`=
256 259 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.
257 260
258 261 ---
259 262
260 263 #### SSH settings:
261 264 ##### `SSH_ENABLE_ROOT`=false
262 265 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`.
263 266
264 267 ##### `SSH_DISABLE_PASSWORD_AUTH`=false
265 268 Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
266 269
267 270 ##### `SSH_LIMIT_USERS`=false
268 271 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).
269 272
270 273 ##### `SSH_ROOT_PUB_KEY`=""
271 274 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`.
272 275
273 276 ##### `SSH_USER_PUB_KEY`=""
274 277 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.
275 278
276 279 ---
277 280
278 281 #### Kernel compilation:
279 282 ##### `BUILD_KERNEL`=true
280 283 Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used.
281 284
282 285 ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
283 286 This sets the cross compile enviornment for the compiler.
284 287
285 288 ##### `KERNEL_ARCH`="arm"
286 289 This sets the kernel architecture for the compiler.
287 290
288 291 ##### `KERNEL_IMAGE`="kernel7.img"
289 292 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.
290 293
291 294 ##### `KERNEL_BRANCH`=""
292 295 Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
293 296
294 297 ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
295 298 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.
296 299
297 300 ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
298 301 Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
299 302
300 303 ##### `KERNEL_REDUCE`=false
301 304 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
302 305
303 306 ##### `KERNEL_THREADS`=1
304 307 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.
305 308
306 309 ##### `KERNEL_HEADERS`=true
307 310 Install kernel headers with built kernel.
308 311
309 312 ##### `KERNEL_MENUCONFIG`=false
310 313 Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
311 314
312 315 ##### `KERNEL_OLDDEFCONFIG`=false
313 316 Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
314 317
315 318 ##### `KERNEL_CCACHE`=false
316 319 Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
317 320
318 321 ##### `KERNEL_REMOVESRC`=true
319 322 Remove all kernel sources from the generated OS image after it was built and installed.
320 323
321 324 ##### `KERNELSRC_DIR`=""
322 325 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.
323 326
324 327 ##### `KERNELSRC_CLEAN`=false
325 328 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.
326 329
327 330 ##### `KERNELSRC_CONFIG`=true
328 331 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.
329 332
330 333 ##### `KERNELSRC_USRCONFIG`=""
331 334 Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
332 335
333 336 ##### `KERNELSRC_PREBUILT`=false
334 337 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.
335 338
336 339 ##### `RPI_FIRMWARE_DIR`=""
337 340 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.
338 341
339 342 ##### `KERNEL_NF`=false
340 343 Enable Netfilter modules as kernel modules
341 344
342 345 ##### `KERNEL_VIRT`=false
343 346 Enable Kernel KVM support (/dev/kvm)
344 347
345 348 ##### `KERNEL_ZSWAP`=false
346 349 Enable Kernel Zswap support. Best use on high RAM load and mediocre CPU load usecases
347 350
348 351 ##### `KERNEL_BPF`=true
349 352 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]
350 353
351 354 ---
352 355
353 356 #### Reduce disk usage:
354 357 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
355 358
356 359 ##### `REDUCE_APT`=true
357 360 Configure APT to use compressed package repository lists and no package caching files.
358 361
359 362 ##### `REDUCE_DOC`=true
360 363 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
361 364
362 365 ##### `REDUCE_MAN`=true
363 366 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
364 367
365 368 ##### `REDUCE_VIM`=false
366 369 Replace `vim-tiny` package by `levee` a tiny vim clone.
367 370
368 371 ##### `REDUCE_BASH`=false
369 372 Remove `bash` package and switch to `dash` shell (experimental).
370 373
371 374 ##### `REDUCE_HWDB`=true
372 375 Remove PCI related hwdb files (experimental).
373 376
374 377 ##### `REDUCE_SSHD`=true
375 378 Replace `openssh-server` with `dropbear`.
376 379
377 380 ##### `REDUCE_LOCALE`=true
378 381 Remove all `locale` translation files.
379 382
380 383 ---
381 384
382 385 #### Encrypted root partition:
383 386 ##### `ENABLE_CRYPTFS`=false
384 387 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.
385 388
386 389 ##### `CRYPTFS_PASSWORD`=""
387 390 Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
388 391
389 392 ##### `CRYPTFS_MAPPING`="secure"
390 393 Set name of dm-crypt managed device-mapper mapping.
391 394
392 395 ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
393 396 Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
394 397
395 398 ##### `CRYPTFS_XTSKEYSIZE`=512
396 399 Sets key size in bits. The argument has to be a multiple of 8.
397 400
398 401 ---
399 402
400 403 #### Build settings:
401 404 ##### `BASEDIR`=$(pwd)/images/${RELEASE}
402 405 Set a path to a working directory used by the script to generate an image.
403 406
404 407 ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
405 408 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.
406 409
407 410 ## Understanding the script
408 411 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:
409 412
410 413 | Script | Description |
411 414 | --- | --- |
412 415 | `10-bootstrap.sh` | Debootstrap basic system |
413 416 | `11-apt.sh` | Setup APT repositories |
414 417 | `12-locale.sh` | Setup Locales and keyboard settings |
415 418 | `13-kernel.sh` | Build and install RPi2/3 Kernel |
416 419 | `14-fstab.sh` | Setup fstab and initramfs |
417 420 | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
418 421 | `20-networking.sh` | Setup Networking |
419 422 | `21-firewall.sh` | Setup Firewall |
420 423 | `30-security.sh` | Setup Users and Security settings |
421 424 | `31-logging.sh` | Setup Logging |
422 425 | `32-sshd.sh` | Setup SSH and public keys |
423 426 | `41-uboot.sh` | Build and Setup U-Boot |
424 427 | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
425 428 | `50-firstboot.sh` | First boot actions |
426 429 | `99-reduce.sh` | Reduce the disk space usage |
427 430
428 431 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.
429 432
430 433 | Directory | Description |
431 434 | --- | --- |
432 435 | `apt` | APT management configuration files |
433 436 | `boot` | Boot and RPi2/3 configuration files |
434 437 | `dpkg` | Package Manager configuration |
435 438 | `etc` | Configuration files and rc scripts |
436 439 | `firstboot` | Scripts that get executed on first boot |
437 440 | `initramfs` | Initramfs scripts |
438 441 | `iptables` | Firewall configuration files |
439 442 | `locales` | Locales configuration |
440 443 | `modules` | Kernel Modules configuration |
441 444 | `mount` | Fstab configuration |
442 445 | `network` | Networking configuration files |
443 446 | `sysctl.d` | Swapping and Network Hardening configuration |
444 447 | `xorg` | fbturbo Xorg driver configuration |
445 448
446 449 ## Custom packages and scripts
447 450 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`.
448 451
449 452 Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
450 453
451 454 ## Logging of the bootstrapping process
452 455 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:
453 456
454 457 ```shell
455 458 script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
456 459 ```
457 460
458 461 ## Flashing the image file
459 462 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`.
460 463
461 464 ##### Flashing examples:
462 465 ```shell
463 466 bmaptool copy ./images/buster/2017-01-23-rpi3-buster.img /dev/mmcblk0
464 467 dd bs=4M if=./images/buster/2017-01-23-rpi3-buster.img of=/dev/mmcblk0
465 468 ```
466 469 If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
467 470 ```shell
468 471 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-frmw.img /dev/mmcblk0
469 472 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-root.img /dev/sdc
470 473 ```
471 474
472 475 ## QEMU emulation
473 476 Start QEMU full system emulation:
474 477 ```shell
475 478 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"
476 479 ```
477 480
478 481 Start QEMU full system emulation and output to console:
479 482 ```shell
480 483 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
481 484 ```
482 485
483 486 Start QEMU full system emulation with SMP and output to console:
484 487 ```shell
485 488 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
486 489 ```
487 490
488 491 Start QEMU full system emulation with cryptfs, initramfs and output to console:
489 492 ```shell
490 493 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
491 494 ```
492 495
493 496 ## External links and references
494 497 * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
495 498 * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
496 499 * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
497 500 * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
498 501 * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
499 502 * [U-BOOT git repository](https://git.denx.de/?p=u-boot.git;a=summary)
500 503 * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
501 504 * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
502 505 * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)
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1 1 #
2 2 # Setup RPi2/3 config and cmdline
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 if [ "$BUILD_KERNEL" = true ] ; then
9 9 if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then
10 10 # Install boot binaries from local directory
11 11 cp "${RPI_FIRMWARE_DIR}"/boot/bootcode.bin "${BOOT_DIR}"/bootcode.bin
12 12 cp "${RPI_FIRMWARE_DIR}"/boot/fixup.dat "${BOOT_DIR}"/fixup.dat
13 13 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_cd.dat "${BOOT_DIR}"/fixup_cd.dat
14 14 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_x.dat "${BOOT_DIR}"/fixup_x.dat
15 15 cp "${RPI_FIRMWARE_DIR}"/boot/start.elf "${BOOT_DIR}"/start.elf
16 16 cp "${RPI_FIRMWARE_DIR}"/boot/start_cd.elf "${BOOT_DIR}"/start_cd.elf
17 17 cp "${RPI_FIRMWARE_DIR}"/boot/start_x.elf "${BOOT_DIR}"/start_x.elf
18 18 else
19 19 # Create temporary directory for boot binaries
20 20 temp_dir=$(as_nobody mktemp -d)
21 21
22 22 # Install latest boot binaries from raspberry/firmware github
23 23 as_nobody wget -q -O "${temp_dir}/bootcode.bin" "${FIRMWARE_URL}/bootcode.bin"
24 24 as_nobody wget -q -O "${temp_dir}/fixup.dat" "${FIRMWARE_URL}/fixup.dat"
25 25 as_nobody wget -q -O "${temp_dir}/fixup_cd.dat" "${FIRMWARE_URL}/fixup_cd.dat"
26 26 as_nobody wget -q -O "${temp_dir}/fixup_x.dat" "${FIRMWARE_URL}/fixup_x.dat"
27 27 as_nobody wget -q -O "${temp_dir}/start.elf" "${FIRMWARE_URL}/start.elf"
28 28 as_nobody wget -q -O "${temp_dir}/start_cd.elf" "${FIRMWARE_URL}/start_cd.elf"
29 29 as_nobody wget -q -O "${temp_dir}/start_x.elf" "${FIRMWARE_URL}/start_x.elf"
30 30
31 31 # Move downloaded boot binaries
32 32 mv "${temp_dir}/"* "${BOOT_DIR}/"
33 33
34 34 # Remove temporary directory for boot binaries
35 35 rm -fr "${temp_dir}"
36 36
37 37 # Set permissions of the boot binaries
38 38 chown -R root:root "${BOOT_DIR}"
39 39 chmod -R 600 "${BOOT_DIR}"
40 40 fi
41 41 fi
42 42
43 43 # Setup firmware boot cmdline
44 44 if [ "$ENABLE_UBOOTUSB" = true ] ; then
45 45 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
46 46 else
47 47 if [ "$ENABLE_SPLITFS" = true ] ; then
48 48 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
49 49 else
50 50 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
51 51 fi
52 52 fi
53 53
54 54
55 55
56 56 # Add encrypted root partition to cmdline.txt
57 57 if [ "$ENABLE_CRYPTFS" = true ] ; then
58 58 if [ "$ENABLE_SPLITFS" = true ] ; then
59 59 CMDLINE=$(echo "${CMDLINE}" | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
60 60 else
61 61 if [ "$ENABLE_UBOOTUSB" = true ] ; then
62 62 CMDLINE=$(echo "${CMDLINE}" | sed "s/sda2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda2:${CRYPTFS_MAPPING}/")
63 63 else
64 64 CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
65 65 fi
66 66 fi
67 67 fi
68 68
69 69 # Add serial console support
70 70 if [ "$ENABLE_CONSOLE" = true ] ; then
71 71 CMDLINE="${CMDLINE} console=ttyAMA0,115200 kgdboc=ttyAMA0,115200"
72 72 fi
73 73
74 74 # Remove IPv6 networking support
75 75 if [ "$ENABLE_IPV6" = false ] ; then
76 76 CMDLINE="${CMDLINE} ipv6.disable=1"
77 77 fi
78 78
79 79 # Automatically assign predictable network interface names
80 80 if [ "$ENABLE_IFNAMES" = false ] ; then
81 81 CMDLINE="${CMDLINE} net.ifnames=0"
82 82 else
83 83 CMDLINE="${CMDLINE} net.ifnames=1"
84 84 fi
85 85
86 86 # Install firmware boot cmdline
87 87 echo "${CMDLINE}" > "${BOOT_DIR}/cmdline.txt"
88 88
89 89 # Install firmware config
90 90 install_readonly files/boot/config.txt "${BOOT_DIR}/config.txt"
91 91
92 92 # Setup minimal GPU memory allocation size: 16MB (no X)
93 93 if [ "$ENABLE_MINGPU" = true ] ; then
94 94 echo "gpu_mem=16" >> "${BOOT_DIR}/config.txt"
95 95 fi
96 96
97 97 # Setup boot with initramfs
98 98 if [ "$ENABLE_INITRAMFS" = true ] ; then
99 99 echo "initramfs initramfs-${KERNEL_VERSION} followkernel" >> "${BOOT_DIR}/config.txt"
100 100 fi
101 101
102 102 # Disable RPi3 Bluetooth and restore ttyAMA0 serial device
103 103 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
104 104 if [ "$ENABLE_CONSOLE" = true ] && [ "$ENABLE_UBOOT" = false ] ; then
105 105 echo "dtoverlay=pi3-disable-bt" >> "${BOOT_DIR}/config.txt"
106 106 echo "enable_uart=1" >> "${BOOT_DIR}/config.txt"
107 else
108 # Create temporary directory for Bluetooth sources
109 temp_dir=$(as_nobody mktemp -d)
107 fi
108 fi
110 109
111 # Fetch Bluetooth sources
112 as_nobody git -C "${temp_dir}" clone "${BLUETOOTH_URL}"
110 if [ "$ENABLE_BLUETOOTH" = true ] ; then
111 # Create temporary directory for Bluetooth sources
112 temp_dir=$(as_nobody mktemp -d)
113 113
114 # Copy downloaded sources
115 mv "${temp_dir}/pi-bluetooth" "${R}/tmp/"
114 # Fetch Bluetooth sources
115 as_nobody git -C "${temp_dir}" clone "${BLUETOOTH_URL}"
116 116
117 # Raspberry-sys-mod package for /dev/serial device needed by bluetooth service
118 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/99-com.rules" https://raw.githubusercontent.com/RPi-Distro/raspberrypi-sys-mods/master/etc.armhf/udev/rules.d/99-com.rules
119 # Bluetooth firmware from arch aur https://aur.archlinux.org/packages/pi-bluetooth/
120 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" https://aur.archlinux.org/cgit/aur.git/plain/LICENCE.broadcom_bcm43xx?h=pi-bluetooth
121 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" https://aur.archlinux.org/cgit/aur.git/plain/BCM43430A1.hcd?h=pi-bluetooth
117 # Copy downloaded sources
118 mv "${temp_dir}/pi-bluetooth" "${R}/tmp/"
122 119
123 # Set permissions
124 chown -R root:root "${R}/tmp/pi-bluetooth"
120 # Raspberry-sys-mod package for /dev/serial device needed by bluetooth service
121 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/99-com.rules" https://raw.githubusercontent.com/RPi-Distro/raspberrypi-sys-mods/master/etc.armhf/udev/rules.d/99-com.rules
122 # Bluetooth firmware from arch aur https://aur.archlinux.org/packages/pi-bluetooth/
123 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" https://aur.archlinux.org/cgit/aur.git/plain/LICENCE.broadcom_bcm43xx?h=pi-bluetooth
124 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" https://aur.archlinux.org/cgit/aur.git/plain/BCM43430A1.hcd?h=pi-bluetooth
125 125
126 # Install tools
127 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/btuart" "${R}/usr/bin/btuart"
128 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/bthelper" "${R}/usr/bin/bthelper"
126 # Set permissions
127 chown -R root:root "${R}/tmp/pi-bluetooth"
129 128
130 # Install bluetooth udev rule
131 install_readonly "${R}/tmp/pi-bluetooth/lib/udev/rules.d/90-pi-bluetooth.rules" "${LIB_DIR}/udev/rules.d/90-pi-bluetooth.rules"
129 # Install tools
130 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/btuart" "${R}/usr/bin/btuart"
131 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/bthelper" "${R}/usr/bin/bthelper"
132 132
133 # Install Firmware Flash file and apropiate licence
134 mkdir "${ETC_DIR}/firmware/"
135 install_readonly "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" "${ETC_DIR}/firmware/LICENCE.broadcom_bcm43xx"
136 install_readonly "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" "${ETC_DIR}/firmware/LICENCE.broadcom_bcm43xx"
137 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.bthelper@.service" "${ETC_DIR}/systemd/system/pi-bluetooth.bthelper@.service"
138 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.hciuart.service" "${ETC_DIR}/systemd/system/pi-bluetooth.hciuart.service"
139 # Install udev rule for bluetooth device
140 install_readonly "${R}/tmp/pi-bluetooth/99-com.rules" "${ETC_DIR}/udev/rules.d/99-com.rules"
133 # Install bluetooth udev rule
134 install_readonly "${R}/tmp/pi-bluetooth/lib/udev/rules.d/90-pi-bluetooth.rules" "${LIB_DIR}/udev/rules.d/90-pi-bluetooth.rules"
135
136 # Install Firmware Flash file and apropiate licence
137 mkdir "${ETC_DIR}/firmware/"
138 install_readonly "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" "${ETC_DIR}/firmware/LICENCE.broadcom_bcm43xx"
139 install_readonly "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" "${ETC_DIR}/firmware/LICENCE.broadcom_bcm43xx"
140 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.bthelper@.service" "${ETC_DIR}/systemd/system/pi-bluetooth.bthelper@.service"
141 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.hciuart.service" "${ETC_DIR}/systemd/system/pi-bluetooth.hciuart.service"
142 # Install udev rule for bluetooth device
143 install_readonly "${R}/tmp/pi-bluetooth/99-com.rules" "${ETC_DIR}/udev/rules.d/99-com.rules"
141 144
142 # Remove temporary directory
143 rm -fr "${temp_dir}"
144 fi
145 # Remove temporary directory
146 rm -fr "${temp_dir}"
145 147 fi
146 148
147 149 # Create firmware configuration and cmdline symlinks
148 150 ln -sf firmware/config.txt "${R}/boot/config.txt"
149 151 ln -sf firmware/cmdline.txt "${R}/boot/cmdline.txt"
150 152
151 153 # Install and setup kernel modules to load at boot
152 154 mkdir -p "${LIB_DIR}/modules-load.d/"
153 155 install_readonly files/modules/rpi2.conf "${LIB_DIR}/modules-load.d/rpi2.conf"
154 156
155 157 # Load hardware random module at boot
156 158 if [ "$ENABLE_HWRANDOM" = true ] && [ "$BUILD_KERNEL" = false ] ; then
157 159 sed -i "s/^# bcm2708_rng/bcm2708_rng/" "${LIB_DIR}/modules-load.d/rpi2.conf"
158 160 fi
159 161
160 162 # Load sound module at boot
161 163 if [ "$ENABLE_SOUND" = true ] ; then
162 164 sed -i "s/^# snd_bcm2835/snd_bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf"
163 165 else
164 166 echo "dtparam=audio=off" >> "${BOOT_DIR}/config.txt"
165 167 fi
166 168
167 169 # Enable I2C interface
168 170 if [ "$ENABLE_I2C" = true ] ; then
169 171 echo "dtparam=i2c_arm=on" >> "${BOOT_DIR}/config.txt"
170 172 sed -i "s/^# i2c-bcm2708/i2c-bcm2708/" "${LIB_DIR}/modules-load.d/rpi2.conf"
171 173 sed -i "s/^# i2c-dev/i2c-dev/" "${LIB_DIR}/modules-load.d/rpi2.conf"
172 174 fi
173 175
174 176 # Enable SPI interface
175 177 if [ "$ENABLE_SPI" = true ] ; then
176 178 echo "dtparam=spi=on" >> "${BOOT_DIR}/config.txt"
177 179 echo "spi-bcm2708" >> "${LIB_DIR}/modules-load.d/rpi2.conf"
178 180 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]; then
179 181 sed -i "s/spi-bcm2708/spi-bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf"
180 182 fi
181 183 fi
182 184
183 185 # Disable RPi2/3 under-voltage warnings
184 186 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
185 187 echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt"
186 188 fi
187 189
188 190 # Install kernel modules blacklist
189 191 mkdir -p "${ETC_DIR}/modprobe.d/"
190 192 install_readonly files/modules/raspi-blacklist.conf "${ETC_DIR}/modprobe.d/raspi-blacklist.conf"
191 193
192 194 # Install sysctl.d configuration files
193 195 install_readonly files/sysctl.d/81-rpi-vm.conf "${ETC_DIR}/sysctl.d/81-rpi-vm.conf"
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1 1 #
2 2 # Setup Networking
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Install and setup hostname
9 9 install_readonly files/network/hostname "${ETC_DIR}/hostname"
10 10 sed -i "s/^RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hostname"
11 11
12 12 # Install and setup hosts
13 13 install_readonly files/network/hosts "${ETC_DIR}/hosts"
14 14 sed -i "s/RaspberryPI/${HOSTNAME}/" "${ETC_DIR}/hosts"
15 15
16 16 # Setup hostname entry with static IP
17 17 if [ "$NET_ADDRESS" != "" ] ; then
18 18 NET_IP=$(echo "${NET_ADDRESS}" | cut -f 1 -d'/')
19 19 sed -i "s/^127.0.1.1/${NET_IP}/" "${ETC_DIR}/hosts"
20 20 fi
21 21
22 22 # Remove IPv6 hosts
23 23 if [ "$ENABLE_IPV6" = false ] ; then
24 24 sed -i -e "/::[1-9]/d" -e "/^$/d" "${ETC_DIR}/hosts"
25 25 fi
26 26
27 27 # Install hint about network configuration
28 28 install_readonly files/network/interfaces "${ETC_DIR}/network/interfaces"
29 29
30 30 # Install configuration for interface eth0
31 31 install_readonly files/network/eth.network "${ETC_DIR}/systemd/network/eth.network"
32 32
33 33 # Install configuration for interface wl*
34 34 install_readonly files/network/wlan.network "${ETC_DIR}/systemd/network/wlan.network"
35 35
36 36 #always with dhcp since wpa_supplicant integration is missing
37 37 sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan.network"
38 38
39 39 if [ "$ENABLE_DHCP" = true ] ; then
40 40 # Enable DHCP configuration for interface eth0
41 41 sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/eth.network"
42 42
43 43 # Set DHCP configuration to IPv4 only
44 44 if [ "$ENABLE_IPV6" = false ] ; then
45 45 sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/eth.network"
46 46 fi
47 47
48 48 else # ENABLE_DHCP=false
49 49 # Set static network configuration for interface eth0
50 50 sed -i\
51 51 -e "s|DHCP=.*|DHCP=no|"\
52 52 -e "s|Address=\$|Address=${NET_ADDRESS}|"\
53 53 -e "s|Gateway=\$|Gateway=${NET_GATEWAY}|"\
54 54 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_1}|"\
55 55 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_2}|"\
56 56 -e "s|Domains=\$|Domains=${NET_DNS_DOMAINS}|"\
57 57 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_1}|"\
58 58 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_2}|"\
59 59 "${ETC_DIR}/systemd/network/eth.network"
60 60 fi
61 61
62 62 # Remove empty settings from network configuration
63 63 sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/eth.network"
64 64 # Remove empty settings from wlan configuration
65 65 sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/wlan.network"
66 66
67 67 # Move systemd network configuration if required by Debian release
68 68 mv -v "${ETC_DIR}/systemd/network/eth.network" "${LIB_DIR}/systemd/network/10-eth.network"
69 69 # If WLAN is enabled copy wlan configuration too
70 70 if [ "$ENABLE_WIRELESS" = true ] ; then
71 71 mv -v "${ETC_DIR}/systemd/network/wlan.network" "${LIB_DIR}/systemd/network/11-wlan.network"
72 72 fi
73 73 rm -fr "${ETC_DIR}/systemd/network"
74 74
75 75 # Enable systemd-networkd service
76 76 chroot_exec systemctl enable systemd-networkd
77 77
78 78 # Install host.conf resolver configuration
79 79 install_readonly files/network/host.conf "${ETC_DIR}/host.conf"
80 80
81 81 # Enable network stack hardening
82 82 if [ "$ENABLE_HARDNET" = true ] ; then
83 83 # Install sysctl.d configuration files
84 84 install_readonly files/sysctl.d/82-rpi-net-hardening.conf "${ETC_DIR}/sysctl.d/82-rpi-net-hardening.conf"
85 85
86 86 # Setup resolver warnings about spoofed addresses
87 87 sed -i "s/^# spoof warn/spoof warn/" "${ETC_DIR}/host.conf"
88 88 fi
89 89
90 90 # Enable time sync
91 91 if [ "$NET_NTP_1" != "" ] ; then
92 92 chroot_exec systemctl enable systemd-timesyncd.service
93 93 fi
94 94
95 95 # Download the firmware binary blob required to use the RPi3 wireless interface
96 96 if [ "$ENABLE_WIRELESS" = true ] ; then
97 97 if [ ! -d "${WLAN_FIRMWARE_DIR}" ] ; then
98 98 mkdir -p "${WLAN_FIRMWARE_DIR}"
99 99 fi
100 100
101 101 # Create temporary directory for firmware binary blob
102 102 temp_dir=$(as_nobody mktemp -d)
103 103
104 104 # Fetch firmware binary blob for RPI3B+
105 105 if [ "$RPI_MODEL" = 3P ] ; then
106 106 # Fetch firmware binary blob for RPi3P
107 107 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.bin"
108 108 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.txt"
109 109 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.clm_blob" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.clm_blob"
110
111 # Move downloaded firmware binary blob
112 mv "${temp_dir}/brcmfmac43455-sdio."* "${WLAN_FIRMWARE_DIR}/"
113
114 # Set permissions of the firmware binary blob
115 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
116 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
110 117 elif [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 0 ] ; then
111 118 # Fetch firmware binary blob for RPi3
112 119 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.bin"
113 120 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.txt"
114 fi
115
116 # Move downloaded firmware binary blob
117 if [ "$RPI_MODEL" = 3P ] ; then
118 mv "${temp_dir}/brcmfmac43455-sdio."* "${WLAN_FIRMWARE_DIR}/"
119 elif [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 0 ] ; then
120 mv "${temp_dir}/brcmfmac43430-sdio."* "${WLAN_FIRMWARE_DIR}/"
121
122 # Move downloaded firmware binary blob
123 mv "${temp_dir}/brcmfmac43430-sdio."* "${WLAN_FIRMWARE_DIR}/"
124
125 # Set permissions of the firmware binary blob
126 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
127 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
121 128 fi
122 129
123 130 # Remove temporary directory for firmware binary blob
124 131 rm -fr "${temp_dir}"
125
126 # Set permissions of the firmware binary blob
127 if [ "$RPI_MODEL" = 3P ] ; then
128 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
129 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
130 elif [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 0 ] ; then
131 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
132 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
133 fi
134 132 fi
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@@ -1,814 +1,823
1 1 #!/bin/sh
2 2 ########################################################################
3 3 # rpi23-gen-image.sh 2015-2017
4 4 #
5 5 # Advanced Debian "stretch" and "buster" bootstrap script for RPi2/3
6 6 #
7 7 # This program is free software; you can redistribute it and/or
8 8 # modify it under the terms of the GNU General Public License
9 9 # as published by the Free Software Foundation; either version 2
10 10 # of the License, or (at your option) any later version.
11 11 #
12 12 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
13 13 #
14 14 # Big thanks for patches and enhancements by 20+ github contributors!
15 15 ########################################################################
16 16
17 17 # Are we running as root?
18 18 if [ "$(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=${APT_SERVER:="ftp.debian.org"}
113 113
114 114 # Feature settings
115 ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}
115 116 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
116 117 ENABLE_I2C=${ENABLE_I2C:=false}
117 118 ENABLE_SPI=${ENABLE_SPI:=false}
118 119 ENABLE_IPV6=${ENABLE_IPV6:=true}
119 120 ENABLE_SSHD=${ENABLE_SSHD:=true}
120 121 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
121 122 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
122 123 ENABLE_SOUND=${ENABLE_SOUND:=true}
123 124 ENABLE_DBUS=${ENABLE_DBUS:=true}
124 125 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
125 126 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
126 127 ENABLE_XORG=${ENABLE_XORG:=false}
127 128 ENABLE_WM=${ENABLE_WM:=""}
128 129 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
129 130 ENABLE_USER=${ENABLE_USER:=true}
130 131 USER_NAME=${USER_NAME:="pi"}
131 132 ENABLE_ROOT=${ENABLE_ROOT:=false}
132 133 ENABLE_QEMU=${ENABLE_QEMU:=false}
133 134 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
134 135
135 136 # SSH settings
136 137 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
137 138 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
138 139 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
139 140 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
140 141 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
141 142
142 143 # Advanced settings
143 144 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
144 145 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
145 146 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
146 147 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
147 148 ENABLE_UBOOTUSB=${ENABLE_UBOOTUSB=false}
148 149 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
149 150 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
150 151 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
151 152 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
152 153 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
153 154 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
154 155 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
155 156 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
156 157 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
157 158 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
158 159
159 160 # Kernel compilation settings
160 161 BUILD_KERNEL=${BUILD_KERNEL:=true}
161 162 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
162 163 KERNEL_THREADS=${KERNEL_THREADS:=1}
163 164 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
164 165 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
165 166 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
166 167 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
167 168 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
168 169 KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}
169 170 KERNEL_VIRT=${KERNEL_VIRT:=false}
170 171 KERNEL_BPF=${KERNEL_BPF:=false}
171 172
172 173 # Kernel compilation from source directory settings
173 174 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
174 175 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
175 176 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
176 177 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
177 178
178 179 # Reduce disk usage settings
179 180 REDUCE_APT=${REDUCE_APT:=true}
180 181 REDUCE_DOC=${REDUCE_DOC:=true}
181 182 REDUCE_MAN=${REDUCE_MAN:=true}
182 183 REDUCE_VIM=${REDUCE_VIM:=false}
183 184 REDUCE_BASH=${REDUCE_BASH:=false}
184 185 REDUCE_HWDB=${REDUCE_HWDB:=true}
185 186 REDUCE_SSHD=${REDUCE_SSHD:=true}
186 187 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
187 188
188 189 # Encrypted filesystem settings
189 190 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
190 191 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
191 192 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
192 193 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
193 194 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
194 195
195 196 # Chroot scripts directory
196 197 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
197 198
198 199 # Packages required in the chroot build environment
199 200 APT_INCLUDES=${APT_INCLUDES:=""}
200 201 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
201 202
202 203 #Packages to exclude from chroot build environment
203 204 APT_EXCLUDES=${APT_EXCLUDES:=""}
204 205
205 206 # Packages required for bootstrapping
206 207 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo netselect-apt"
207 208 MISSING_PACKAGES=""
208 209
209 210 # Packages installed for c/c++ build environment in chroot (keep empty)
210 211 COMPILER_PACKAGES=""
211 212
212 213 set +x
213 214
214 215 #Check if apt-cacher-ng has port 3142 open and set APT_PROXY
215 216 APT_CACHER_RUNNING=$(lsof -i :3142 | grep apt-cacher-ng | cut -d ' ' -f3 | uniq)
216 217 if [ -n ${APT_CACHER_RUNNING} ] ; then
217 218 APT_PROXY=http://127.0.0.1:3142/
218 219 fi
219 220
220 221 #netselect-apt does not know buster yet
221 222 if [ "$RELEASE" = "buster" ] ; then
222 223 RLS=testing
223 224 else
224 225 RLS="$RELEASE"
225 226 fi
226 227
227 228 if [ -f "$(pwd)/files/apt/sources.list" ] ; then
228 229 rm "$(pwd)/files/apt/sources.list"
229 230 fi
230 231
231 232 if [ "$ENABLE_NONFREE" = true ] ; then
232 233 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --nonfree --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
233 234 else
234 235 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
235 236 fi
236 237
237 238 #sed and cut the result string so we can use it as APT_SERVER
238 239 APT_SERVER=$(grep -m 1 http files/apt/sources.list | sed "s|http://| |g" | cut -d ' ' -f 3 | sed 's|/$|''|')
239 240
240 241 #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
241 242 if [ -n "$SET_ARCH" ] ; then
242 243 # 64 bit configuration
243 244 if [ "$SET_ARCH" = 64 ] ; then
244 245 # General 64 bit depended settings
245 246 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
246 247 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
247 248 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
248 249
249 250 # Board specific settings
250 251 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
251 252 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
252 253 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
253 254 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
254 255 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
255 256 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
256 257 else
257 258 echo "error: Only Raspberry PI 3 and 3B+ support 64 bit"
258 259 exit 1
259 260 fi
260 261 fi
261 262
262 263 # 32 bit configuration
263 264 if [ "$SET_ARCH" = 32 ] ; then
264 265 # General 32 bit dependend settings
265 266 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
266 267 KERNEL_ARCH=${KERNEL_ARCH:=arm}
267 268 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
268 269
269 270 # Hardware specific settings
270 271 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
271 272 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
272 273 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
273 274 RELEASE_ARCH=${RELEASE_ARCH:=armel}
274 275 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
275 276 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
276 277 fi
277 278
278 279 # Hardware specific settings
279 280 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
280 281 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
281 282 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
282 283 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
283 284 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
284 285 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
285 286 fi
286 287 fi
287 288 #SET_ARCH not set
288 289 else
289 290 echo "error: Please set '32' or '64' as value for SET_ARCH"
290 291 exit 1
291 292 fi
292 293 # Device specific configuration and U-Boot configuration
293 294 case "$RPI_MODEL" in
294 295 0)
295 296 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
296 297 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
297 298 ;;
298 299 1)
299 300 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
300 301 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
301 302 ;;
302 303 1P)
303 304 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
304 305 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
305 306 ;;
306 307 2)
307 308 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
308 309 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
309 310 ;;
310 311 3)
311 312 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
312 313 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
313 314 ;;
314 315 3P)
315 316 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
316 317 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
317 318 ;;
318 319 *)
319 320 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
320 321 exit 1
321 322 ;;
322 323 esac
323 324
324 325 # Prepare date string for default image file name
325 326 DATE="$(date +%Y-%m-%d)"
326 327 if [ -z "$KERNEL_BRANCH" ] ; then
327 328 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
328 329 else
329 330 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
330 331 fi
331 332
332 333 # Check if the internal wireless interface is supported by the RPi model
333 334 if [ "$ENABLE_WIRELESS" = true ] ; then
334 335 if [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ] ; then
335 336 echo "error: The selected Raspberry Pi model has no internal wireless interface"
336 337 exit 1
337 338 fi
338 339 fi
339 340
340 341 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
341 342 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
342 343 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
343 344 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
344 345 exit 1
345 346 fi
346 347 fi
347 348
348 349 # Add cmake to compile videocore sources
349 350 if [ "$ENABLE_VIDEOCORE" = true ] ; then
350 351 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
351 352 fi
352 353
353 354 # Add libncurses5 to enable kernel menuconfig
354 355 if [ "$KERNEL_MENUCONFIG" = true ] ; then
355 356 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
356 357 fi
357 358
358 359 # Add ccache compiler cache for (faster) kernel cross (re)compilation
359 360 if [ "$KERNEL_CCACHE" = true ] ; then
360 361 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
361 362 fi
362 363
363 364 # Add cryptsetup package to enable filesystem encryption
364 365 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
365 366 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
366 367 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
367 368
368 369 if [ -z "$CRYPTFS_PASSWORD" ] ; then
369 370 echo "error: no password defined (CRYPTFS_PASSWORD)!"
370 371 exit 1
371 372 fi
372 373 ENABLE_INITRAMFS=true
373 374 fi
374 375
375 376 # Add initramfs generation tools
376 377 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
377 378 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
378 379 fi
379 380
380 381 # Add device-tree-compiler required for building the U-Boot bootloader
381 382 if [ "$ENABLE_UBOOT" = true ] ; then
382 383 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
383 384 else
384 385 if [ "$ENABLE_UBOOTUSB" = true ] ; then
385 386 echo "error: Enabling UBOOTUSB requires u-boot to be enabled"
386 387 exit 1
387 388 fi
388 389 fi
389 390
391 if [ "$ENABLE_BLUETOOTH" = true ] ; then
392 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
393 if [ "$ENABLE_CONSOLE" = false ] ; then
394 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
395 fi
396 fi
397 fi
398
390 399 # Check if root SSH (v2) public key file exists
391 400 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
392 401 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
393 402 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
394 403 exit 1
395 404 fi
396 405 fi
397 406
398 407 # Check if $USER_NAME SSH (v2) public key file exists
399 408 if [ -n "$SSH_USER_PUB_KEY" ] ; then
400 409 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
401 410 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
402 411 exit 1
403 412 fi
404 413 fi
405 414
406 415 # Check if all required packages are installed on the build system
407 416 for package in $REQUIRED_PACKAGES ; do
408 417 if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
409 418 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
410 419 fi
411 420 done
412 421
413 422 # If there are missing packages ask confirmation for install, or exit
414 423 if [ -n "$MISSING_PACKAGES" ] ; then
415 424 echo "the following packages needed by this script are not installed:"
416 425 echo "$MISSING_PACKAGES"
417 426
418 427 printf "\ndo you want to install the missing packages right now? [y/n] "
419 428 read -r confirm
420 429 [ "$confirm" != "y" ] && exit 1
421 430
422 431 # Make sure all missing required packages are installed
423 432 apt-get -qq -y install "${MISSING_PACKAGES}"
424 433 fi
425 434
426 435 # Check if ./bootstrap.d directory exists
427 436 if [ ! -d "./bootstrap.d/" ] ; then
428 437 echo "error: './bootstrap.d' required directory not found!"
429 438 exit 1
430 439 fi
431 440
432 441 # Check if ./files directory exists
433 442 if [ ! -d "./files/" ] ; then
434 443 echo "error: './files' required directory not found!"
435 444 exit 1
436 445 fi
437 446
438 447 # Check if specified KERNELSRC_DIR directory exists
439 448 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
440 449 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
441 450 exit 1
442 451 fi
443 452
444 453 # Check if specified UBOOTSRC_DIR directory exists
445 454 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
446 455 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
447 456 exit 1
448 457 fi
449 458
450 459 # Check if specified VIDEOCORESRC_DIR directory exists
451 460 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
452 461 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
453 462 exit 1
454 463 fi
455 464
456 465 # Check if specified FBTURBOSRC_DIR directory exists
457 466 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
458 467 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
459 468 exit 1
460 469 fi
461 470
462 471 # Check if specified CHROOT_SCRIPTS directory exists
463 472 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
464 473 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
465 474 exit 1
466 475 fi
467 476
468 477 # Check if specified device mapping already exists (will be used by cryptsetup)
469 478 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
470 479 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
471 480 exit 1
472 481 fi
473 482
474 483 # Don't clobber an old build
475 484 if [ -e "$BUILDDIR" ] ; then
476 485 echo "error: directory ${BUILDDIR} already exists, not proceeding"
477 486 exit 1
478 487 fi
479 488
480 489 # Setup chroot directory
481 490 mkdir -p "${R}"
482 491
483 492 # Check if build directory has enough of free disk space >512MB
484 493 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
485 494 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
486 495 exit 1
487 496 fi
488 497
489 498 set -x
490 499
491 500 # Call "cleanup" function on various signals and errors
492 501 trap cleanup 0 1 2 3 6
493 502
494 503 # Add required packages for the minbase installation
495 504 if [ "$ENABLE_MINBASE" = true ] ; then
496 505 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
497 506 fi
498 507
499 508 # Add parted package, required to get partprobe utility
500 509 if [ "$EXPANDROOT" = true ] ; then
501 510 APT_INCLUDES="${APT_INCLUDES},parted"
502 511 fi
503 512
504 513 # Add dbus package, recommended if using systemd
505 514 if [ "$ENABLE_DBUS" = true ] ; then
506 515 APT_INCLUDES="${APT_INCLUDES},dbus"
507 516 fi
508 517
509 518 # Add iptables IPv4/IPv6 package
510 519 if [ "$ENABLE_IPTABLES" = true ] ; then
511 520 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
512 521 fi
513 522
514 523 # Add openssh server package
515 524 if [ "$ENABLE_SSHD" = true ] ; then
516 525 APT_INCLUDES="${APT_INCLUDES},openssh-server"
517 526 fi
518 527
519 528 # Add alsa-utils package
520 529 if [ "$ENABLE_SOUND" = true ] ; then
521 530 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
522 531 fi
523 532
524 533 # Add rng-tools package
525 534 if [ "$ENABLE_HWRANDOM" = true ] ; then
526 535 APT_INCLUDES="${APT_INCLUDES},rng-tools"
527 536 fi
528 537
529 538 # Add fbturbo video driver
530 539 if [ "$ENABLE_FBTURBO" = true ] ; then
531 540 # Enable xorg package dependencies
532 541 ENABLE_XORG=true
533 542 fi
534 543
535 544 # Add user defined window manager package
536 545 if [ -n "$ENABLE_WM" ] ; then
537 546 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
538 547
539 548 # Enable xorg package dependencies
540 549 ENABLE_XORG=true
541 550 fi
542 551
543 552 # Add xorg package
544 553 if [ "$ENABLE_XORG" = true ] ; then
545 554 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
546 555 fi
547 556
548 557 # Replace selected packages with smaller clones
549 558 if [ "$ENABLE_REDUCE" = true ] ; then
550 559 # Add levee package instead of vim-tiny
551 560 if [ "$REDUCE_VIM" = true ] ; then
552 561 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
553 562 fi
554 563
555 564 # Add dropbear package instead of openssh-server
556 565 if [ "$REDUCE_SSHD" = true ] ; then
557 566 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
558 567 fi
559 568 fi
560 569
561 570 # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
562 571 if [ "$ENABLE_SYSVINIT" = false ] ; then
563 572 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
564 573 fi
565 574
566 575 # Configure kernel sources if no KERNELSRC_DIR
567 576 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
568 577 KERNELSRC_CONFIG=true
569 578 fi
570 579
571 580 # Configure reduced kernel
572 581 if [ "$KERNEL_REDUCE" = true ] ; then
573 582 KERNELSRC_CONFIG=false
574 583 fi
575 584
576 585 # Configure qemu compatible kernel
577 586 if [ "$ENABLE_QEMU" = true ] ; then
578 587 DTB_FILE=vexpress-v2p-ca15_a7.dtb
579 588 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
580 589 KERNEL_DEFCONFIG="vexpress_defconfig"
581 590 if [ "$KERNEL_MENUCONFIG" = false ] ; then
582 591 KERNEL_OLDDEFCONFIG=true
583 592 fi
584 593 fi
585 594
586 595 # Execute bootstrap scripts
587 596 for SCRIPT in bootstrap.d/*.sh; do
588 597 head -n 3 "$SCRIPT"
589 598 . "$SCRIPT"
590 599 done
591 600
592 601 ## Execute custom bootstrap scripts
593 602 if [ -d "custom.d" ] ; then
594 603 for SCRIPT in custom.d/*.sh; do
595 604 . "$SCRIPT"
596 605 done
597 606 fi
598 607
599 608 # Execute custom scripts inside the chroot
600 609 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
601 610 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
602 611 chroot_exec /bin/bash -x <<'EOF'
603 612 for SCRIPT in /chroot_scripts/* ; do
604 613 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
605 614 $SCRIPT
606 615 fi
607 616 done
608 617 EOF
609 618 rm -rf "${R}/chroot_scripts"
610 619 fi
611 620
612 621 # Remove c/c++ build environment from the chroot
613 622 chroot_remove_cc
614 623
615 624 # Generate required machine-id
616 625 MACHINE_ID=$(dbus-uuidgen)
617 626 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
618 627 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
619 628
620 629 # APT Cleanup
621 630 chroot_exec apt-get -y clean
622 631 chroot_exec apt-get -y autoclean
623 632 chroot_exec apt-get -y autoremove
624 633
625 634 # Unmount mounted filesystems
626 635 umount -l "${R}/proc"
627 636 umount -l "${R}/sys"
628 637
629 638 # Clean up directories
630 639 rm -rf "${R}/run/*"
631 640 rm -rf "${R}/tmp/*"
632 641
633 642 # Clean up files
634 643 rm -f "${ETC_DIR}/ssh/ssh_host_*"
635 644 rm -f "${ETC_DIR}/dropbear/dropbear_*"
636 645 rm -f "${ETC_DIR}/apt/sources.list.save"
637 646 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
638 647 rm -f "${ETC_DIR}/*-"
639 648 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
640 649 rm -f "${ETC_DIR}/resolv.conf"
641 650 rm -f "${R}/root/.bash_history"
642 651 rm -f "${R}/var/lib/urandom/random-seed"
643 652 rm -f "${R}/initrd.img"
644 653 rm -f "${R}/vmlinuz"
645 654 rm -f "${R}${QEMU_BINARY}"
646 655
647 656 if [ "$ENABLE_QEMU" = true ] ; then
648 657 # Setup QEMU directory
649 658 mkdir "${BASEDIR}/qemu"
650 659
651 660 # Copy kernel image to QEMU directory
652 661 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
653 662
654 663 # Copy kernel config to QEMU directory
655 664 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
656 665
657 666 # Copy kernel dtbs to QEMU directory
658 667 for dtb in "${BOOT_DIR}/"*.dtb ; do
659 668 if [ -f "${dtb}" ] ; then
660 669 install_readonly "${dtb}" "${BASEDIR}/qemu/"
661 670 fi
662 671 done
663 672
664 673 # Copy kernel overlays to QEMU directory
665 674 if [ -d "${BOOT_DIR}/overlays" ] ; then
666 675 # Setup overlays dtbs directory
667 676 mkdir "${BASEDIR}/qemu/overlays"
668 677
669 678 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
670 679 if [ -f "${dtb}" ] ; then
671 680 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
672 681 fi
673 682 done
674 683 fi
675 684
676 685 # Copy u-boot files to QEMU directory
677 686 if [ "$ENABLE_UBOOT" = true ] ; then
678 687 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
679 688 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
680 689 fi
681 690 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
682 691 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
683 692 fi
684 693 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
685 694 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
686 695 fi
687 696 fi
688 697
689 698 # Copy initramfs to QEMU directory
690 699 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
691 700 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
692 701 fi
693 702 fi
694 703
695 704 # Calculate size of the chroot directory in KB
696 705 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
697 706
698 707 # Calculate the amount of needed 512 Byte sectors
699 708 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
700 709 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
701 710 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
702 711
703 712 # The root partition is EXT4
704 713 # This means more space than the actual used space of the chroot is used.
705 714 # As overhead for journaling and reserved blocks 35% are added.
706 715 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
707 716
708 717 # Calculate required image size in 512 Byte sectors
709 718 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
710 719
711 720 # Prepare image file
712 721 if [ "$ENABLE_SPLITFS" = true ] ; then
713 722 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
714 723 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
715 724 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
716 725 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
717 726
718 727 # Write firmware/boot partition tables
719 728 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
720 729 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
721 730 EOM
722 731
723 732 # Write root partition table
724 733 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
725 734 ${TABLE_SECTORS},${ROOT_SECTORS},83
726 735 EOM
727 736
728 737 # Setup temporary loop devices
729 738 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
730 739 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
731 740 else # ENABLE_SPLITFS=false
732 741 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
733 742 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
734 743
735 744 # Write partition table
736 745 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
737 746 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
738 747 ${ROOT_OFFSET},${ROOT_SECTORS},83
739 748 EOM
740 749
741 750 # Setup temporary loop devices
742 751 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
743 752 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
744 753 fi
745 754
746 755 if [ "$ENABLE_CRYPTFS" = true ] ; then
747 756 # Create dummy ext4 fs
748 757 mkfs.ext4 "$ROOT_LOOP"
749 758
750 759 # Setup password keyfile
751 760 touch .password
752 761 chmod 600 .password
753 762 echo -n ${CRYPTFS_PASSWORD} > .password
754 763
755 764 # Initialize encrypted partition
756 765 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
757 766
758 767 # Open encrypted partition and setup mapping
759 768 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
760 769
761 770 # Secure delete password keyfile
762 771 shred -zu .password
763 772
764 773 # Update temporary loop device
765 774 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
766 775
767 776 # Wipe encrypted partition (encryption cipher is used for randomness)
768 777 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
769 778 fi
770 779
771 780 # Build filesystems
772 781 mkfs.vfat "$FRMW_LOOP"
773 782 mkfs.ext4 "$ROOT_LOOP"
774 783
775 784 # Mount the temporary loop devices
776 785 mkdir -p "$BUILDDIR/mount"
777 786 mount "$ROOT_LOOP" "$BUILDDIR/mount"
778 787
779 788 mkdir -p "$BUILDDIR/mount/boot/firmware"
780 789 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
781 790
782 791 # Copy all files from the chroot to the loop device mount point directory
783 792 rsync -a "${R}/" "$BUILDDIR/mount/"
784 793
785 794 # Unmount all temporary loop devices and mount points
786 795 cleanup
787 796
788 797 # Create block map file(s) of image(s)
789 798 if [ "$ENABLE_SPLITFS" = true ] ; then
790 799 # Create block map files for "bmaptool"
791 800 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
792 801 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
793 802
794 803 # Image was successfully created
795 804 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
796 805 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
797 806 else
798 807 # Create block map file for "bmaptool"
799 808 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
800 809
801 810 # Image was successfully created
802 811 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
803 812
804 813 # Create qemu qcow2 image
805 814 if [ "$ENABLE_QEMU" = true ] ; then
806 815 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
807 816 QEMU_SIZE=16G
808 817
809 818 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
810 819 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
811 820
812 821 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
813 822 fi
814 823 fi
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