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Raspi2-3_GenImage
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1 1 #
2 2 # Build and Setup RPi2/3 Kernel
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Fetch and build latest raspberry kernel
9 9 if [ "$BUILD_KERNEL" = true ] ; then
10 10 # Setup source directory
11 11 mkdir -p "${KERNEL_DIR}"
12 12
13 13 # Copy existing kernel sources into chroot directory
14 14 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
15 15 # Copy kernel sources and include hidden files
16 16 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
17 17
18 18 # Clean the kernel sources
19 19 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
20 20 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
21 21 fi
22 22 else # KERNELSRC_DIR=""
23 23 # Create temporary directory for kernel sources
24 24 temp_dir=$(as_nobody mktemp -d)
25 25
26 if [ "$ENABLE_NEXMON" = true ] ; then
27 NEXMON_URL
28 else
26 29 # Fetch current RPi2/3 kernel sources
27 30 if [ -z "${KERNEL_BRANCH}" ] ; then
28 31 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
29 32 else
30 33 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
31 34 fi
35 fi
32 36
33 37 # Copy downloaded kernel sources
34 38 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
35 39
36 40 # Remove temporary directory for kernel sources
37 41 rm -fr "${temp_dir}"
38 42
39 43 # Set permissions of the kernel sources
40 44 chown -R root:root "${R}/usr/src"
41 45 fi
42 46
43 47 # Calculate optimal number of kernel building threads
44 48 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
45 49 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
46 50 fi
47 51
48 52 # Configure and build kernel
49 53 if [ "$KERNELSRC_PREBUILT" = false ] ; then
50 54 # Remove device, network and filesystem drivers from kernel configuration
51 55 if [ "$KERNEL_REDUCE" = true ] ; then
52 56 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
53 57 sed -i\
54 58 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
55 59 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
56 60 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
57 61 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
58 62 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
59 63 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
60 64 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
61 65 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
62 66 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
63 67 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
64 68 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
65 69 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
66 70 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
67 71 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
68 72 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
69 73 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
70 74 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
71 75 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
72 76 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
73 77 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
74 78 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
75 79 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
76 80 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
77 81 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
78 82 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
79 83 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
80 84 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
81 85 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
82 86 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
83 87 "${KERNEL_DIR}/.config"
84 88 fi
85 89
86 90 if [ "$KERNELSRC_CONFIG" = true ] ; then
87 91 # Load default raspberry kernel configuration
88 92 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
89 93
90 94 #Switch to KERNELSRC_DIR so we can use set_kernel_config
91 95 cd "${KERNEL_DIR}" || exit
92 96
93 97 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
94 98 if [ "$KERNEL_ZSWAP" = true ] ; then
95 99 set_kernel_config CONFIG_ZPOOL y
96 100 set_kernel_config CONFIG_ZSWAP y
97 101 set_kernel_config CONFIG_ZBUD y
98 102 set_kernel_config CONFIG_Z3FOLD y
99 103 set_kernel_config CONFIG_ZSMALLOC y
100 104 set_kernel_config CONFIG_PGTABLE_MAPPING y
101 105 fi
102 106
103 107 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
104 108 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
105 109 set_kernel_config CONFIG_VIRTUALIZATION y
106 110 set_kernel_config CONFIG_KVM y
107 111 set_kernel_config CONFIG_VHOST_NET m
108 112 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
109 113 fi
110 114
111 115 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
112 116 if [ "$KERNEL_NF" = true ] ; then
113 117 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
114 118 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
115 119 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
116 120 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
117 121 set_kernel_config CONFIG_NFT_FIB_INET m
118 122 set_kernel_config CONFIG_NFT_FIB_IPV4 m
119 123 set_kernel_config CONFIG_NFT_FIB_IPV6 m
120 124 set_kernel_config CONFIG_NFT_FIB_NETDEV m
121 125 set_kernel_config CONFIG_NFT_OBJREF m
122 126 set_kernel_config CONFIG_NFT_RT m
123 127 set_kernel_config CONFIG_NFT_SET_BITMAP m
124 128 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
125 129 set_kernel_config CONFIG_NF_LOG_ARP m
126 130 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
127 131 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
128 132 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
129 133 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
130 134 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
131 135 set_kernel_config CONFIG_IP6_NF_IPTABLES m
132 136 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
133 137 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
134 138 set_kernel_config CONFIG_IP6_NF_NAT m
135 139 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
136 140 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
137 141 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
138 142 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
139 143 set_kernel_config CONFIG_IP_SET_HASH_IP m
140 144 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
141 145 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
142 146 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
143 147 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
144 148 set_kernel_config CONFIG_IP_SET_HASH_MAC m
145 149 set_kernel_config CONFIG_IP_SET_HASH_NET m
146 150 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
147 151 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
148 152 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
149 153 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
150 154 set_kernel_config CONFIG_IP_SET_LIST_SET m
151 155 set_kernel_config CONFIG_NETFILTER_XTABLES m
152 156 set_kernel_config CONFIG_NETFILTER_XTABLES m
153 157 set_kernel_config CONFIG_NFT_BRIDGE_META m
154 158 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
155 159 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
156 160 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
157 161 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
158 162 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
159 163 set_kernel_config CONFIG_NFT_COMPAT m
160 164 set_kernel_config CONFIG_NFT_COUNTER m
161 165 set_kernel_config CONFIG_NFT_CT m
162 166 set_kernel_config CONFIG_NFT_DUP_IPV4 m
163 167 set_kernel_config CONFIG_NFT_DUP_IPV6 m
164 168 set_kernel_config CONFIG_NFT_DUP_NETDEV m
165 169 set_kernel_config CONFIG_NFT_EXTHDR m
166 170 set_kernel_config CONFIG_NFT_FWD_NETDEV m
167 171 set_kernel_config CONFIG_NFT_HASH m
168 172 set_kernel_config CONFIG_NFT_LIMIT m
169 173 set_kernel_config CONFIG_NFT_LOG m
170 174 set_kernel_config CONFIG_NFT_MASQ m
171 175 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
172 176 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
173 177 set_kernel_config CONFIG_NFT_META m
174 178 set_kernel_config CONFIG_NFT_NAT m
175 179 set_kernel_config CONFIG_NFT_NUMGEN m
176 180 set_kernel_config CONFIG_NFT_QUEUE m
177 181 set_kernel_config CONFIG_NFT_QUOTA m
178 182 set_kernel_config CONFIG_NFT_REDIR m
179 183 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
180 184 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
181 185 set_kernel_config CONFIG_NFT_REJECT m
182 186 set_kernel_config CONFIG_NFT_REJECT_INET m
183 187 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
184 188 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
185 189 set_kernel_config CONFIG_NFT_SET_HASH m
186 190 set_kernel_config CONFIG_NFT_SET_RBTREE m
187 191 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
188 192 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
189 193 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
190 194 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
191 195 set_kernel_config CONFIG_NF_DUP_IPV4 m
192 196 set_kernel_config CONFIG_NF_DUP_IPV6 m
193 197 set_kernel_config CONFIG_NF_DUP_NETDEV m
194 198 set_kernel_config CONFIG_NF_LOG_BRIDGE m
195 199 set_kernel_config CONFIG_NF_LOG_IPV4 m
196 200 set_kernel_config CONFIG_NF_LOG_IPV6 m
197 201 set_kernel_config CONFIG_NF_NAT_IPV4 m
198 202 set_kernel_config CONFIG_NF_NAT_IPV6 m
199 203 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
200 204 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
201 205 set_kernel_config CONFIG_NF_NAT_PPTP m
202 206 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
203 207 set_kernel_config CONFIG_NF_NAT_REDIRECT m
204 208 set_kernel_config CONFIG_NF_NAT_SIP m
205 209 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
206 210 set_kernel_config CONFIG_NF_NAT_TFTP m
207 211 set_kernel_config CONFIG_NF_REJECT_IPV4 m
208 212 set_kernel_config CONFIG_NF_REJECT_IPV6 m
209 213 set_kernel_config CONFIG_NF_TABLES m
210 214 set_kernel_config CONFIG_NF_TABLES_ARP m
211 215 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
212 216 set_kernel_config CONFIG_NF_TABLES_INET m
213 217 set_kernel_config CONFIG_NF_TABLES_IPV4 m
214 218 set_kernel_config CONFIG_NF_TABLES_IPV6 m
215 219 set_kernel_config CONFIG_NF_TABLES_NETDEV m
216 220 fi
217 221
218 222 # Enables BPF syscall for systemd-journald see https://github.com/torvalds/linux/blob/master/init/Kconfig#L848 or https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA
219 223 if [ "$KERNEL_BPF" = true ] ; then
220 224 set_kernel_config CONFIG_BPF_SYSCALL y
221 225 set_kernel_config CONFIG_BPF_EVENTS y
222 226 set_kernel_config CONFIG_BPF_STREAM_PARSER y
223 227 set_kernel_config CONFIG_CGROUP_BPF y
224 228 fi
225 229
226 230 # KERNEL_DEFAULT_GOV was set by user
227 231 if ! [ "$KERNEL_DEFAULT_GOV" = POWERSAVE ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
228 232 # unset default governor
229 233 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
230 234
231 235 case "$KERNEL_DEFAULT_GOV" in
232 236 "PERFORMANCE")
233 237 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
234 238 ;;
235 239 "USERSPACE")
236 240 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
237 241 ;;
238 242 "ONDEMAND")
239 243 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
240 244 ;;
241 245 "CONSERVATIVE")
242 246 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
243 247 ;;
244 248 "CONSERVATIVE")
245 249 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
246 250 ;;
247 251 *)
248 252 echo "error: unsupported default cpu governor"
249 253 exit 1
250 254 ;;
251 255 esac
252 256 fi
253 257
254 258
255 259
256 260 #Revert to previous directory
257 261 cd "${WORKDIR}" || exit
258 262
259 263 # Set kernel configuration parameters to enable qemu emulation
260 264 if [ "$ENABLE_QEMU" = true ] ; then
261 265 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
262 266 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
263 267
264 268 if [ "$ENABLE_CRYPTFS" = true ] ; then
265 269 {
266 270 echo "CONFIG_EMBEDDED=y"
267 271 echo "CONFIG_EXPERT=y"
268 272 echo "CONFIG_DAX=y"
269 273 echo "CONFIG_MD=y"
270 274 echo "CONFIG_BLK_DEV_MD=y"
271 275 echo "CONFIG_MD_AUTODETECT=y"
272 276 echo "CONFIG_BLK_DEV_DM=y"
273 277 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
274 278 echo "CONFIG_DM_CRYPT=y"
275 279 echo "CONFIG_CRYPTO_BLKCIPHER=y"
276 280 echo "CONFIG_CRYPTO_CBC=y"
277 281 echo "CONFIG_CRYPTO_XTS=y"
278 282 echo "CONFIG_CRYPTO_SHA512=y"
279 283 echo "CONFIG_CRYPTO_MANAGER=y"
280 284 } >> "${KERNEL_DIR}"/.config
281 285 fi
282 286 fi
283 287
284 288 # Copy custom kernel configuration file
285 289 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
286 290 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
287 291 fi
288 292
289 293 # Set kernel configuration parameters to their default values
290 294 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
291 295 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
292 296 fi
293 297
294 298 # Start menu-driven kernel configuration (interactive)
295 299 if [ "$KERNEL_MENUCONFIG" = true ] ; then
296 300 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
297 301 fi
298 302 # end if "$KERNELSRC_CONFIG" = true
299 303 fi
300 304
301 305 # Use ccache to cross compile the kernel
302 306 if [ "$KERNEL_CCACHE" = true ] ; then
303 307 cc="ccache ${CROSS_COMPILE}gcc"
304 308 else
305 309 cc="${CROSS_COMPILE}gcc"
306 310 fi
307 311
308 312 # Cross compile kernel and dtbs
309 313 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
310 314
311 315 # Cross compile kernel modules
312 316 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
313 317 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
314 318 fi
315 319 # end if "$KERNELSRC_PREBUILT" = false
316 320 fi
317 321
318 322 # Check if kernel compilation was successful
319 323 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
320 324 echo "error: kernel compilation failed! (kernel image not found)"
321 325 cleanup
322 326 exit 1
323 327 fi
324 328
325 329 # Install kernel modules
326 330 if [ "$ENABLE_REDUCE" = true ] ; then
327 331 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
328 332 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
329 333 fi
330 334 else
331 335 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
332 336 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
333 337 fi
334 338
335 339 # Install kernel firmware
336 340 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
337 341 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
338 342 fi
339 343 fi
340 344
341 345 # Install kernel headers
342 346 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
343 347 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
344 348 fi
345 349 # make tar.gz kernel package - missing os bzw. modules
346 350 #** ** ** WARNING ** ** **
347 351 #Your architecture did not define any architecture-dependent files
348 352 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
349 353 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
350 354
351 355 # Prepare boot (firmware) directory
352 356 mkdir "${BOOT_DIR}"
353 357
354 358 # Get kernel release version
355 359 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
356 360
357 361 # Copy kernel configuration file to the boot directory
358 362 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
359 363
360 364 # Prepare device tree directory
361 365 mkdir "${BOOT_DIR}/overlays"
362 366
363 367 # Ensure the proper .dtb is located
364 368 if [ "$KERNEL_ARCH" = "arm" ] ; then
365 369 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
366 370 if [ -f "${dtb}" ] ; then
367 371 install_readonly "${dtb}" "${BOOT_DIR}/"
368 372 fi
369 373 done
370 374 else
371 375 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
372 376 if [ -f "${dtb}" ] ; then
373 377 install_readonly "${dtb}" "${BOOT_DIR}/"
374 378 fi
375 379 done
376 380 fi
377 381
378 382 # Copy compiled dtb device tree files
379 383 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
380 384 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
381 385 if [ -f "${dtb}" ] ; then
382 386 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
383 387 fi
384 388 done
385 389
386 390 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
387 391 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
388 392 fi
389 393 fi
390 394
391 395 if [ "$ENABLE_UBOOT" = false ] ; then
392 396 # Convert and copy kernel image to the boot directory
393 397 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
394 398 else
395 399 # Copy kernel image to the boot directory
396 400 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
397 401 fi
398 402
399 403 # Remove kernel sources
400 404 if [ "$KERNEL_REMOVESRC" = true ] ; then
401 405 rm -fr "${KERNEL_DIR}"
402 406 else
403 407 # Prepare compiled kernel modules
404 408 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
405 409 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
406 410 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
407 411 fi
408 412
409 413 # Create symlinks for kernel modules
410 414 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
411 415 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
412 416 fi
413 417 fi
414 418
415 419 else # BUILD_KERNEL=false
416 420 # echo Install precompiled kernel...
417 421 # echo error: not implemented
418 422 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
419 423
420 424 # Use Sakakis modified kernel if ZSWAP is active
421 if [ "$KERNEL_ZSWAP" = true ] || ; then
425 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
422 426 RPI3_64_KERNEL_URL=RPI3_64_BIS_KERNEL_URL
423 427 fi
424 428
425 429 # Create temporary directory for dl
426 430 temp_dir=$(as_nobody mktemp -d)
427 431
428 432 # Fetch kernel dl
429 433 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
430 434
431 435 #extract download
432 436 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
433 437
434 438 #move extracted kernel to /boot/firmware
435 439 mkdir "${R}/boot/firmware"
436 440 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
437 441 cp -r "${temp_dir}"/lib/* "${R}"/lib/
438 442
439 443 # Remove temporary directory for kernel sources
440 444 rm -fr "${temp_dir}"
441 445
442 446 # Set permissions of the kernel sources
443 447 chown -R root:root "${R}/boot/firmware"
444 448 chown -R root:root "${R}/lib/modules"
445 449 fi
446 450
447 451 # INstall Kernel from hypriot comptabile with all Raspberry PI
448 452 if [ "$SET_ARCH" = 32 ] ; then
449 453 # Create temporary directory for dl
450 454 temp_dir=$(as_nobody mktemp -d)
451 455
452 456 # Fetch kernel
453 457 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
454 458
455 459 # Copy downloaded U-Boot sources
456 460 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
457 461
458 462 # Set permissions
459 463 chown -R root:root "${R}"/tmp/kernel.deb
460 464
461 465 # Install kernel
462 466 chroot_exec dpkg -i /tmp/kernel.deb
463 467
464 468 # move /boot to /boot/firmware to fit script env.
465 469 #mkdir "${BOOT_DIR}"
466 470 mkdir "${temp_dir}"/firmware
467 471 mv "${R}"/boot/* "${temp_dir}"/firmware/
468 472 mv "${temp_dir}"/firmware "${R}"/boot/
469 473
470 474 #same for kernel headers
471 475 if [ "$KERNEL_HEADERS" = true ] ; then
472 476 # Fetch kernel header
473 477 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
474 478 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
475 479 chown -R root:root "${R}"/tmp/kernel-header.deb
476 480 # Install kernel header
477 481 chroot_exec dpkg -i /tmp/kernel-header.deb
478 482 rm -f "${R}"/tmp/kernel-header.deb
479 483 fi
480 484
481 485 # Remove temporary directory and files
482 486 rm -fr "${temp_dir}"
483 487 rm -f "${R}"/tmp/kernel.deb
484 488 fi
485 489
486 490 # Check if kernel installation was successful
487 491 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
488 492 if [ -z "$KERNEL" ] ; then
489 493 echo "error: kernel installation failed! (/boot/kernel* not found)"
490 494 cleanup
491 495 exit 1
492 496 fi
493 497 fi
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1 1 #!/bin/sh
2 2 ########################################################################
3 3 # rpi23-gen-image.sh 2015-2017
4 4 #
5 5 # Advanced Debian "stretch" and "buster" bootstrap script for RPi2/3
6 6 #
7 7 # This program is free software; you can redistribute it and/or
8 8 # modify it under the terms of the GNU General Public License
9 9 # as published by the Free Software Foundation; either version 2
10 10 # of the License, or (at your option) any later version.
11 11 #
12 12 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
13 13 #
14 14 # Big thanks for patches and enhancements by 20+ github contributors!
15 15 ########################################################################
16 16
17 17 # Are we running as root?
18 18 if [ "$(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:=$RPI3_64_DEF_KERNEL_URL}
65 65 BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
66 66 NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}
67 67 SYSTEMDSWAP_URL=${SYSTEMDSWAP_URL:=https://github.com/Nefelim4ag/systemd-swap.git}
68 68 RPI_32_KERNEL_URL=${RPI_32_KERNEL_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel_20180422-141901_armhf.deb}
69 69 RPI_32_KERNELHEADER_URL=${RPI_32_KERNELHEADER_URL:=https://github.com/hypriot/rpi-kernel/releases/download/v4.14.34/raspberrypi-kernel-headers_20180422-141901_armhf.deb}
70 70
71 71 # Build directories
72 72 WORKDIR=$(pwd)
73 73 BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}
74 74 BUILDDIR="${BASEDIR}/build"
75 75
76 76 # Chroot directories
77 77 R="${BUILDDIR}/chroot"
78 78 ETC_DIR="${R}/etc"
79 79 LIB_DIR="${R}/lib"
80 80 BOOT_DIR="${R}/boot/firmware"
81 81 KERNEL_DIR="${R}/usr/src/linux"
82 82 WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"
83 83 BLUETOOTH_FIRMWARE_DIR="${ETC_DIR}/firmware/bt"
84 84
85 85 # Firmware directory: Blank if download from github
86 86 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
87 87
88 88 # General settings
89 89 SET_ARCH=${SET_ARCH:=32}
90 90 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
91 91 PASSWORD=${PASSWORD:=raspberry}
92 92 USER_PASSWORD=${USER_PASSWORD:=raspberry}
93 93 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
94 94 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
95 95 EXPANDROOT=${EXPANDROOT:=true}
96 96
97 97 # Keyboard settings
98 98 XKB_MODEL=${XKB_MODEL:=""}
99 99 XKB_LAYOUT=${XKB_LAYOUT:=""}
100 100 XKB_VARIANT=${XKB_VARIANT:=""}
101 101 XKB_OPTIONS=${XKB_OPTIONS:=""}
102 102
103 103 # Network settings (DHCP)
104 104 ENABLE_DHCP=${ENABLE_DHCP:=true}
105 105
106 106 # Network settings (static)
107 107 NET_ADDRESS=${NET_ADDRESS:=""}
108 108 NET_GATEWAY=${NET_GATEWAY:=""}
109 109 NET_DNS_1=${NET_DNS_1:=""}
110 110 NET_DNS_2=${NET_DNS_2:=""}
111 111 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
112 112 NET_NTP_1=${NET_NTP_1:=""}
113 113 NET_NTP_2=${NET_NTP_2:=""}
114 114
115 115 # APT settings
116 116 APT_PROXY=${APT_PROXY:=""}
117 117 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
118 118
119 119 # Feature settings
120 120 ENABLE_PRINTK=${ENABLE_PRINTK:=false}
121 121 ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}
122 122 ENABLE_MINIUART_OVERLAY=${ENABLE_MINIUART_OVERLAY:=false}
123 123 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
124 124 ENABLE_I2C=${ENABLE_I2C:=false}
125 125 ENABLE_SPI=${ENABLE_SPI:=false}
126 126 ENABLE_IPV6=${ENABLE_IPV6:=true}
127 127 ENABLE_SSHD=${ENABLE_SSHD:=true}
128 128 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
129 129 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
130 130 ENABLE_SOUND=${ENABLE_SOUND:=true}
131 131 ENABLE_DBUS=${ENABLE_DBUS:=true}
132 132 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
133 133 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
134 134 ENABLE_XORG=${ENABLE_XORG:=false}
135 135 ENABLE_WM=${ENABLE_WM:=""}
136 136 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
137 137 ENABLE_USER=${ENABLE_USER:=true}
138 138 USER_NAME=${USER_NAME:="pi"}
139 139 ENABLE_ROOT=${ENABLE_ROOT:=false}
140 140 ENABLE_QEMU=${ENABLE_QEMU:=false}
141 141 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
142 142
143 143 # SSH settings
144 144 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
145 145 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
146 146 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
147 147 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
148 148 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
149 149
150 150 # Advanced settings
151 151 ENABLE_SYSTEMDSWAP=${ENABLE_MINBASE:=false}
152 152 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
153 153 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
154 154 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
155 155 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
156 156 ENABLE_UBOOTUSB=${ENABLE_UBOOTUSB=false}
157 157 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
158 158 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
159 ENABLE_NEXMON=${ENABLE_NEXMON:="false"}
159 ENABLE_NEXMON=${ENABLE_NEXMON:=false}
160 160 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
161 161 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
162 162 NEXMON_DIR=${NEXMON_DIR:=""}
163 163 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
164 164 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
165 165 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
166 166 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
167 167 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
168 168 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
169 169
170 170 # Kernel compilation settings
171 171 BUILD_KERNEL=${BUILD_KERNEL:=true}
172 172 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
173 173 KERNEL_THREADS=${KERNEL_THREADS:=1}
174 174 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
175 175 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
176 176 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
177 177 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
178 178 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
179 179 KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}
180 180 KERNEL_VIRT=${KERNEL_VIRT:=false}
181 181 KERNEL_BPF=${KERNEL_BPF:=false}
182 182 KERNEL_DEFAULT_GOV=${KERNEL_DEFAULT_GOV:=POWERSAVE}
183 183
184 184 # Kernel compilation from source directory settings
185 185 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
186 186 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
187 187 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
188 188 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
189 189
190 190 # Reduce disk usage settings
191 191 REDUCE_APT=${REDUCE_APT:=true}
192 192 REDUCE_DOC=${REDUCE_DOC:=true}
193 193 REDUCE_MAN=${REDUCE_MAN:=true}
194 194 REDUCE_VIM=${REDUCE_VIM:=false}
195 195 REDUCE_BASH=${REDUCE_BASH:=false}
196 196 REDUCE_HWDB=${REDUCE_HWDB:=true}
197 197 REDUCE_SSHD=${REDUCE_SSHD:=true}
198 198 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
199 199
200 200 # Encrypted filesystem settings
201 201 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
202 202 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
203 203 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
204 204 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
205 205 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
206 206 #Dropbear-initramfs supports unlocking encrypted filesystem via SSH on bootup
207 207 CRYPTFS_DROPBEAR=${CRYPTFS_DROPBEAR:=false}
208 208 #Provide your own Dropbear Public RSA-OpenSSH Key otherwise it will be generated
209 209 CRYPTFS_DROPBEAR_PUBKEY=${CRYPTFS_DROPBEAR_PUBKEY:=""}
210 210
211 211 # Chroot scripts directory
212 212 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
213 213
214 214 # Packages required in the chroot build environment
215 215 APT_INCLUDES=${APT_INCLUDES:=""}
216 216 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
217 217
218 218 #Packages to exclude from chroot build environment
219 219 APT_EXCLUDES=${APT_EXCLUDES:=""}
220 220
221 221 # Packages required for bootstrapping
222 222 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo netselect-apt"
223 223 MISSING_PACKAGES=""
224 224
225 225 # Packages installed for c/c++ build environment in chroot (keep empty)
226 226 COMPILER_PACKAGES=""
227 227
228 228 #Check if apt-cacher-ng has port 3142 open and set APT_PROXY
229 229 APT_CACHER_RUNNING=$(lsof -i :3142 | cut -d ' ' -f3 | uniq | sed '/^\s*$/d')
230 230 if [ "${APT_CACHER_RUNNING}" = "apt-cacher-ng" ] ; then
231 231 APT_PROXY=http://127.0.0.1:3142/
232 232 fi
233 233
234 234 #netselect-apt does not know buster yet
235 235 if [ "$RELEASE" = "buster" ] ; then
236 236 RLS=testing
237 237 else
238 238 RLS="$RELEASE"
239 239 fi
240 240
241 241 if [ -f "$(pwd)/files/apt/sources.list" ] ; then
242 242 rm "$(pwd)/files/apt/sources.list"
243 243 fi
244 244
245 245 if [ "$ENABLE_NONFREE" = true ] ; then
246 246 netselect-apt --arch "$RELEASE_ARCH" -t 3 --sources --nonfree --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
247 247 else
248 248 netselect-apt --arch "$RELEASE_ARCH" -t 3 --sources --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
249 249 fi
250 250
251 251 #sed and cut the result string so we can use it as APT_SERVER
252 252 APT_SERVER=$(grep -m 1 http files/apt/sources.list | sed "s|http://| |g" | cut -d ' ' -f 3 | sed 's|/$|''|')
253 253
254 254 #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
255 255 if [ -n "$SET_ARCH" ] ; then
256 256 # 64 bit configuration
257 257 if [ "$SET_ARCH" = 64 ] ; then
258 258 # General 64 bit depended settings
259 259 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
260 260 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
261 261 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
262 262
263 263 # Board specific settings
264 264 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
265 265 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
266 266 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
267 267 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
268 268 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
269 269 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
270 270 else
271 271 echo "error: Only Raspberry PI 3 and 3B+ support 64 bit"
272 272 exit 1
273 273 fi
274 274 fi
275 275
276 276 # 32 bit configuration
277 277 if [ "$SET_ARCH" = 32 ] ; then
278 278 # General 32 bit dependend settings
279 279 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
280 280 KERNEL_ARCH=${KERNEL_ARCH:=arm}
281 281 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
282 282
283 283 # Hardware specific settings
284 284 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
285 285 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
286 286 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
287 287 RELEASE_ARCH=${RELEASE_ARCH:=armel}
288 288 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
289 289 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
290 290 fi
291 291
292 292 # Hardware specific settings
293 293 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
294 294 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
295 295 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
296 296 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
297 297 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
298 298 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
299 299 fi
300 300 fi
301 301 #SET_ARCH not set
302 302 else
303 303 echo "error: Please set '32' or '64' as value for SET_ARCH"
304 304 exit 1
305 305 fi
306 306 # Device specific configuration and U-Boot configuration
307 307 case "$RPI_MODEL" in
308 308 0)
309 309 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
310 310 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
311 311 ;;
312 312 1)
313 313 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
314 314 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
315 315 ;;
316 316 1P)
317 317 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
318 318 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
319 319 ;;
320 320 2)
321 321 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
322 322 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
323 323 ;;
324 324 3)
325 325 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
326 326 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
327 327 ;;
328 328 3P)
329 329 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
330 330 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
331 331 ;;
332 332 *)
333 333 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
334 334 exit 1
335 335 ;;
336 336 esac
337 337
338 338 # Raspberry PI 0,3,3P with Bluetooth and Wifi onboard
339 339 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
340 340 # Include bluetooth packages on supported boards
341 341 if [ "$ENABLE_BLUETOOTH" = true ] && [ "$ENABLE_CONSOLE" = false ]; then
342 342 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
343 343 fi
344 344 else # Raspberry PI 1,1P,2 without Wifi and bluetooth onboard
345 345 # Check if the internal wireless interface is not supported by the RPi model
346 346 if [ "$ENABLE_WIRELESS" = true ] || [ "$ENABLE_BLUETOOTH" = true ]; then
347 347 echo "error: The selected Raspberry Pi model has no integrated interface for wireless or bluetooth"
348 348 exit 1
349 349 fi
350 350 fi
351 351
352 352 # Prepare date string for default image file name
353 353 DATE="$(date +%Y-%m-%d)"
354 354 if [ -z "$KERNEL_BRANCH" ] ; then
355 355 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
356 356 else
357 357 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
358 358 fi
359 359
360 360 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
361 361 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
362 362 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
363 363 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
364 364 exit 1
365 365 fi
366 366 fi
367 367
368 368 set +x
369 369
370 370 # Add cmake to compile videocore sources
371 371 if [ "$ENABLE_VIDEOCORE" = true ] ; then
372 372 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
373 373 fi
374 374
375 375 # Add libncurses5 to enable kernel menuconfig
376 376 if [ "$KERNEL_MENUCONFIG" = true ] ; then
377 377 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
378 378 fi
379 379
380 380 # Add ccache compiler cache for (faster) kernel cross (re)compilation
381 381 if [ "$KERNEL_CCACHE" = true ] ; then
382 382 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
383 383 fi
384 384
385 385 # Add cryptsetup package to enable filesystem encryption
386 386 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
387 387 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
388 388 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
389 389
390 390 #If cryptfs,dropbear and initramfs are enabled include dropbear-initramfs package
391 391 if [ "$CRYPTFS_DROPBEAR" = true ] && [ "$ENABLE_INITRAMFS" = true ]; then
392 392 APT_INCLUDES="${APT_INCLUDES},dropbear-initramfs"
393 393 fi
394 394
395 395 if [ -z "$CRYPTFS_PASSWORD" ] ; then
396 396 echo "error: no password defined (CRYPTFS_PASSWORD)!"
397 397 exit 1
398 398 fi
399 399 ENABLE_INITRAMFS=true
400 400 fi
401 401
402 402 # Add initramfs generation tools
403 403 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
404 404 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
405 405 fi
406 406
407 407 # Add device-tree-compiler required for building the U-Boot bootloader
408 408 if [ "$ENABLE_UBOOT" = true ] ; then
409 409 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
410 410 else
411 411 if [ "$ENABLE_UBOOTUSB" = true ] ; then
412 412 echo "error: Enabling UBOOTUSB requires u-boot to be enabled"
413 413 exit 1
414 414 fi
415 415 fi
416 416
417 417 # Check if root SSH (v2) public key file exists
418 418 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
419 419 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
420 420 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
421 421 exit 1
422 422 fi
423 423 fi
424 424
425 425 # Check if $USER_NAME SSH (v2) public key file exists
426 426 if [ -n "$SSH_USER_PUB_KEY" ] ; then
427 427 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
428 428 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
429 429 exit 1
430 430 fi
431 431 fi
432 432
433 433 # Check if all required packages are installed on the build system
434 434 for package in $REQUIRED_PACKAGES ; do
435 435 if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
436 436 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
437 437 fi
438 438 done
439 439
440 440 # If there are missing packages ask confirmation for install, or exit
441 441 if [ -n "$MISSING_PACKAGES" ] ; then
442 442 echo "the following packages needed by this script are not installed:"
443 443 echo "$MISSING_PACKAGES"
444 444
445 445 printf "\ndo you want to install the missing packages right now? [y/n] "
446 446 read -r confirm
447 447 [ "$confirm" != "y" ] && exit 1
448 448
449 449 # Make sure all missing required packages are installed
450 450 apt-get -qq -y install "${MISSING_PACKAGES}"
451 451 fi
452 452
453 453 # Check if ./bootstrap.d directory exists
454 454 if [ ! -d "./bootstrap.d/" ] ; then
455 455 echo "error: './bootstrap.d' required directory not found!"
456 456 exit 1
457 457 fi
458 458
459 459 # Check if ./files directory exists
460 460 if [ ! -d "./files/" ] ; then
461 461 echo "error: './files' required directory not found!"
462 462 exit 1
463 463 fi
464 464
465 465 # Check if specified KERNELSRC_DIR directory exists
466 466 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
467 467 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
468 468 exit 1
469 469 fi
470 470
471 471 # Check if specified UBOOTSRC_DIR directory exists
472 472 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
473 473 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
474 474 exit 1
475 475 fi
476 476
477 477 # Check if specified VIDEOCORESRC_DIR directory exists
478 478 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
479 479 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
480 480 exit 1
481 481 fi
482 482
483 483 # Check if specified FBTURBOSRC_DIR directory exists
484 484 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
485 485 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
486 486 exit 1
487 487 fi
488 488
489 489 # Check if specified NEXMON_DIR directory exists
490 490 if [ -n "$NEXMON_DIR" ] && [ ! -d "$NEXMON_DIR" ] ; then
491 491 echo "error: '${NEXMON_DIR}' specified directory not found (NEXMON_DIR)!"
492 492 exit 1
493 493 fi
494 494
495 495 # Check if specified CHROOT_SCRIPTS directory exists
496 496 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
497 497 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
498 498 exit 1
499 499 fi
500 500
501 501 # Check if specified device mapping already exists (will be used by cryptsetup)
502 502 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
503 503 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
504 504 exit 1
505 505 fi
506 506
507 507 # Don't clobber an old build
508 508 if [ -e "$BUILDDIR" ] ; then
509 509 echo "error: directory ${BUILDDIR} already exists, not proceeding"
510 510 exit 1
511 511 fi
512 512
513 513 # Setup chroot directory
514 514 mkdir -p "${R}"
515 515
516 516 # Check if build directory has enough of free disk space >512MB
517 517 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
518 518 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
519 519 exit 1
520 520 fi
521 521
522 522 set -x
523 523
524 524 # Call "cleanup" function on various signals and errors
525 525 trap cleanup 0 1 2 3 6
526 526
527 527 # Add required packages for the minbase installation
528 528 if [ "$ENABLE_MINBASE" = true ] ; then
529 529 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
530 530 fi
531 531
532 532 # Add parted package, required to get partprobe utility
533 533 if [ "$EXPANDROOT" = true ] ; then
534 534 APT_INCLUDES="${APT_INCLUDES},parted"
535 535 fi
536 536
537 537 # Add dbus package, recommended if using systemd
538 538 if [ "$ENABLE_DBUS" = true ] ; then
539 539 APT_INCLUDES="${APT_INCLUDES},dbus"
540 540 fi
541 541
542 542 # Add iptables IPv4/IPv6 package
543 543 if [ "$ENABLE_IPTABLES" = true ] ; then
544 544 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
545 545 fi
546 546
547 547 # Add openssh server package
548 548 if [ "$ENABLE_SSHD" = true ] ; then
549 549 APT_INCLUDES="${APT_INCLUDES},openssh-server"
550 550 fi
551 551
552 552 # Add alsa-utils package
553 553 if [ "$ENABLE_SOUND" = true ] ; then
554 554 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
555 555 fi
556 556
557 557 # Add rng-tools package
558 558 if [ "$ENABLE_HWRANDOM" = true ] ; then
559 559 APT_INCLUDES="${APT_INCLUDES},rng-tools"
560 560 fi
561 561
562 562 # Add fbturbo video driver
563 563 if [ "$ENABLE_FBTURBO" = true ] ; then
564 564 # Enable xorg package dependencies
565 565 ENABLE_XORG=true
566 566 fi
567 567
568 568 # Add user defined window manager package
569 569 if [ -n "$ENABLE_WM" ] ; then
570 570 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
571 571
572 572 # Enable xorg package dependencies
573 573 ENABLE_XORG=true
574 574 fi
575 575
576 576 # Add xorg package
577 577 if [ "$ENABLE_XORG" = true ] ; then
578 578 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
579 579 fi
580 580
581 581 # Replace selected packages with smaller clones
582 582 if [ "$ENABLE_REDUCE" = true ] ; then
583 583 # Add levee package instead of vim-tiny
584 584 if [ "$REDUCE_VIM" = true ] ; then
585 585 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
586 586 fi
587 587
588 588 # Add dropbear package instead of openssh-server
589 589 if [ "$REDUCE_SSHD" = true ] ; then
590 590 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
591 591 fi
592 592 fi
593 593
594 594 # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
595 595 if [ "$ENABLE_SYSVINIT" = false ] ; then
596 596 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
597 597 fi
598 598
599 599 # Configure kernel sources if no KERNELSRC_DIR
600 600 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
601 601 KERNELSRC_CONFIG=true
602 602 fi
603 603
604 604 # Configure reduced kernel
605 605 if [ "$KERNEL_REDUCE" = true ] ; then
606 606 KERNELSRC_CONFIG=false
607 607 fi
608 608
609 609 # Configure qemu compatible kernel
610 610 if [ "$ENABLE_QEMU" = true ] ; then
611 611 DTB_FILE=vexpress-v2p-ca15_a7.dtb
612 612 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
613 613 KERNEL_DEFCONFIG="vexpress_defconfig"
614 614 if [ "$KERNEL_MENUCONFIG" = false ] ; then
615 615 KERNEL_OLDDEFCONFIG=true
616 616 fi
617 617 fi
618 618
619 619 # Execute bootstrap scripts
620 620 for SCRIPT in bootstrap.d/*.sh; do
621 621 head -n 3 "$SCRIPT"
622 622 . "$SCRIPT"
623 623 done
624 624
625 625 ## Execute custom bootstrap scripts
626 626 if [ -d "custom.d" ] ; then
627 627 for SCRIPT in custom.d/*.sh; do
628 628 . "$SCRIPT"
629 629 done
630 630 fi
631 631
632 632 # Execute custom scripts inside the chroot
633 633 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
634 634 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
635 635 chroot_exec /bin/bash -x <<'EOF'
636 636 for SCRIPT in /chroot_scripts/* ; do
637 637 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
638 638 $SCRIPT
639 639 fi
640 640 done
641 641 EOF
642 642 rm -rf "${R}/chroot_scripts"
643 643 fi
644 644
645 645 # Remove c/c++ build environment from the chroot
646 646 chroot_remove_cc
647 647
648 648 # Generate required machine-id
649 649 MACHINE_ID=$(dbus-uuidgen)
650 650 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
651 651 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
652 652
653 653 # APT Cleanup
654 654 chroot_exec apt-get -y clean
655 655 chroot_exec apt-get -y autoclean
656 656 chroot_exec apt-get -y autoremove
657 657
658 658 # Unmount mounted filesystems
659 659 umount -l "${R}/proc"
660 660 umount -l "${R}/sys"
661 661
662 662 # Clean up directories
663 663 rm -rf "${R}/run/*"
664 664 rm -rf "${R}/tmp/*"
665 665
666 666 # Clean up files
667 667 rm -f "${ETC_DIR}/ssh/ssh_host_*"
668 668 rm -f "${ETC_DIR}/dropbear/dropbear_*"
669 669 rm -f "${ETC_DIR}/apt/sources.list.save"
670 670 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
671 671 rm -f "${ETC_DIR}/*-"
672 672 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
673 673 rm -f "${ETC_DIR}/resolv.conf"
674 674 rm -f "${R}/root/.bash_history"
675 675 rm -f "${R}/var/lib/urandom/random-seed"
676 676 rm -f "${R}/initrd.img"
677 677 rm -f "${R}/vmlinuz"
678 678 rm -f "${R}${QEMU_BINARY}"
679 679
680 680 if [ "$ENABLE_QEMU" = true ] ; then
681 681 # Setup QEMU directory
682 682 mkdir "${BASEDIR}/qemu"
683 683
684 684 # Copy kernel image to QEMU directory
685 685 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
686 686
687 687 # Copy kernel config to QEMU directory
688 688 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
689 689
690 690 # Copy kernel dtbs to QEMU directory
691 691 for dtb in "${BOOT_DIR}/"*.dtb ; do
692 692 if [ -f "${dtb}" ] ; then
693 693 install_readonly "${dtb}" "${BASEDIR}/qemu/"
694 694 fi
695 695 done
696 696
697 697 # Copy kernel overlays to QEMU directory
698 698 if [ -d "${BOOT_DIR}/overlays" ] ; then
699 699 # Setup overlays dtbs directory
700 700 mkdir "${BASEDIR}/qemu/overlays"
701 701
702 702 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
703 703 if [ -f "${dtb}" ] ; then
704 704 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
705 705 fi
706 706 done
707 707 fi
708 708
709 709 # Copy u-boot files to QEMU directory
710 710 if [ "$ENABLE_UBOOT" = true ] ; then
711 711 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
712 712 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
713 713 fi
714 714 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
715 715 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
716 716 fi
717 717 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
718 718 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
719 719 fi
720 720 fi
721 721
722 722 # Copy initramfs to QEMU directory
723 723 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
724 724 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
725 725 fi
726 726 fi
727 727
728 728 # Calculate size of the chroot directory in KB
729 729 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
730 730
731 731 # Calculate the amount of needed 512 Byte sectors
732 732 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
733 733 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
734 734 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
735 735
736 736 # The root partition is EXT4
737 737 # This means more space than the actual used space of the chroot is used.
738 738 # As overhead for journaling and reserved blocks 35% are added.
739 739 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
740 740
741 741 # Calculate required image size in 512 Byte sectors
742 742 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
743 743
744 744 # Prepare image file
745 745 if [ "$ENABLE_SPLITFS" = true ] ; then
746 746 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
747 747 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
748 748 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
749 749 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
750 750
751 751 # Write firmware/boot partition tables
752 752 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
753 753 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
754 754 EOM
755 755
756 756 # Write root partition table
757 757 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
758 758 ${TABLE_SECTORS},${ROOT_SECTORS},83
759 759 EOM
760 760
761 761 # Setup temporary loop devices
762 762 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
763 763 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
764 764 else # ENABLE_SPLITFS=false
765 765 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
766 766 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
767 767
768 768 # Write partition table
769 769 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
770 770 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
771 771 ${ROOT_OFFSET},${ROOT_SECTORS},83
772 772 EOM
773 773
774 774 # Setup temporary loop devices
775 775 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
776 776 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
777 777 fi
778 778
779 779 if [ "$ENABLE_CRYPTFS" = true ] ; then
780 780 # Create dummy ext4 fs
781 781 mkfs.ext4 "$ROOT_LOOP"
782 782
783 783 # Setup password keyfile
784 784 touch .password
785 785 chmod 600 .password
786 786 echo -n ${CRYPTFS_PASSWORD} > .password
787 787
788 788 # Initialize encrypted partition
789 789 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
790 790
791 791 # Open encrypted partition and setup mapping
792 792 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
793 793
794 794 # Secure delete password keyfile
795 795 shred -zu .password
796 796
797 797 # Update temporary loop device
798 798 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
799 799
800 800 # Wipe encrypted partition (encryption cipher is used for randomness)
801 801 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
802 802 fi
803 803
804 804 # Build filesystems
805 805 mkfs.vfat "$FRMW_LOOP"
806 806 mkfs.ext4 "$ROOT_LOOP"
807 807
808 808 # Mount the temporary loop devices
809 809 mkdir -p "$BUILDDIR/mount"
810 810 mount "$ROOT_LOOP" "$BUILDDIR/mount"
811 811
812 812 mkdir -p "$BUILDDIR/mount/boot/firmware"
813 813 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
814 814
815 815 # Copy all files from the chroot to the loop device mount point directory
816 816 rsync -a "${R}/" "$BUILDDIR/mount/"
817 817
818 818 # Unmount all temporary loop devices and mount points
819 819 cleanup
820 820
821 821 # Create block map file(s) of image(s)
822 822 if [ "$ENABLE_SPLITFS" = true ] ; then
823 823 # Create block map files for "bmaptool"
824 824 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
825 825 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
826 826
827 827 # Image was successfully created
828 828 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
829 829 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
830 830 else
831 831 # Create block map file for "bmaptool"
832 832 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
833 833
834 834 # Image was successfully created
835 835 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
836 836
837 837 # Create qemu qcow2 image
838 838 if [ "$ENABLE_QEMU" = true ] ; then
839 839 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
840 840 QEMU_SIZE=16G
841 841
842 842 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
843 843 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
844 844
845 845 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
846 846 fi
847 847 fi
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