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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 26 # Fetch current RPi2/3 kernel sources
27 27 if [ -z "${KERNEL_BRANCH}" ] ; then
28 28 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
29 29 else
30 30 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
31 31 fi
32 32
33 33 # Copy downloaded kernel sources
34 34 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
35 35
36 36 # Remove temporary directory for kernel sources
37 37 rm -fr "${temp_dir}"
38 38
39 39 # Set permissions of the kernel sources
40 40 chown -R root:root "${R}/usr/src"
41 41 fi
42 42
43 43 # Calculate optimal number of kernel building threads
44 44 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
45 45 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
46 46 fi
47 47
48 48 # Configure and build kernel
49 49 if [ "$KERNELSRC_PREBUILT" = false ] ; then
50 50 # Remove device, network and filesystem drivers from kernel configuration
51 51 if [ "$KERNEL_REDUCE" = true ] ; then
52 52 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
53 53 sed -i\
54 54 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
55 55 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
56 56 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
57 57 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
58 58 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
59 59 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
60 60 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
61 61 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
62 62 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
63 63 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
64 64 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
65 65 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
66 66 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
67 67 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
68 68 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
69 69 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
70 70 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
71 71 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
72 72 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
73 73 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
74 74 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
75 75 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
76 76 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
77 77 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
78 78 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
79 79 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
80 80 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
81 81 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
82 82 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
83 83 "${KERNEL_DIR}/.config"
84 84 fi
85 85
86 86 if [ "$KERNELSRC_CONFIG" = true ] ; then
87 87 # Load default raspberry kernel configuration
88 88 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
89 89
90 90 #Switch to KERNELSRC_DIR so we can use set_kernel_config
91 91 cd "${KERNEL_DIR}" || exit
92 92
93 93 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
94 94 if [ "$KERNEL_ZSWAP" = true ] ; then
95 95 set_kernel_config CONFIG_ZPOOL y
96 96 set_kernel_config CONFIG_ZSWAP y
97 97 set_kernel_config CONFIG_ZBUD y
98 98 set_kernel_config CONFIG_Z3FOLD y
99 99 set_kernel_config CONFIG_ZSMALLOC y
100 100 set_kernel_config CONFIG_PGTABLE_MAPPING y
101 101 fi
102 102
103 103 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
104 104 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
105 105 set_kernel_config CONFIG_VIRTUALIZATION y
106 106 set_kernel_config CONFIG_KVM y
107 107 set_kernel_config CONFIG_VHOST_NET m
108 108 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
109 109 fi
110 110
111 111 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
112 112 if [ "$KERNEL_NF" = true ] ; then
113 113 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
114 114 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
115 115 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
116 116 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
117 117 set_kernel_config CONFIG_NFT_FIB_INET m
118 118 set_kernel_config CONFIG_NFT_FIB_IPV4 m
119 119 set_kernel_config CONFIG_NFT_FIB_IPV6 m
120 120 set_kernel_config CONFIG_NFT_FIB_NETDEV m
121 121 set_kernel_config CONFIG_NFT_OBJREF m
122 122 set_kernel_config CONFIG_NFT_RT m
123 123 set_kernel_config CONFIG_NFT_SET_BITMAP m
124 124 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
125 125 set_kernel_config CONFIG_NF_LOG_ARP m
126 126 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
127 127 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
128 128 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
129 129 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
130 130 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
131 131 set_kernel_config CONFIG_IP6_NF_IPTABLES m
132 132 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
133 133 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
134 134 set_kernel_config CONFIG_IP6_NF_NAT m
135 135 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
136 136 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
137 137 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
138 138 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
139 139 set_kernel_config CONFIG_IP_SET_HASH_IP m
140 140 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
141 141 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
142 142 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
143 143 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
144 144 set_kernel_config CONFIG_IP_SET_HASH_MAC m
145 145 set_kernel_config CONFIG_IP_SET_HASH_NET m
146 146 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
147 147 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
148 148 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
149 149 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
150 150 set_kernel_config CONFIG_IP_SET_LIST_SET m
151 151 set_kernel_config CONFIG_NETFILTER_XTABLES m
152 152 set_kernel_config CONFIG_NETFILTER_XTABLES m
153 153 set_kernel_config CONFIG_NFT_BRIDGE_META m
154 154 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
155 155 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
156 156 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
157 157 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
158 158 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
159 159 set_kernel_config CONFIG_NFT_COMPAT m
160 160 set_kernel_config CONFIG_NFT_COUNTER m
161 161 set_kernel_config CONFIG_NFT_CT m
162 162 set_kernel_config CONFIG_NFT_DUP_IPV4 m
163 163 set_kernel_config CONFIG_NFT_DUP_IPV6 m
164 164 set_kernel_config CONFIG_NFT_DUP_NETDEV m
165 165 set_kernel_config CONFIG_NFT_EXTHDR m
166 166 set_kernel_config CONFIG_NFT_FWD_NETDEV m
167 167 set_kernel_config CONFIG_NFT_HASH m
168 168 set_kernel_config CONFIG_NFT_LIMIT m
169 169 set_kernel_config CONFIG_NFT_LOG m
170 170 set_kernel_config CONFIG_NFT_MASQ m
171 171 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
172 172 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
173 173 set_kernel_config CONFIG_NFT_META m
174 174 set_kernel_config CONFIG_NFT_NAT m
175 175 set_kernel_config CONFIG_NFT_NUMGEN m
176 176 set_kernel_config CONFIG_NFT_QUEUE m
177 177 set_kernel_config CONFIG_NFT_QUOTA m
178 178 set_kernel_config CONFIG_NFT_REDIR m
179 179 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
180 180 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
181 181 set_kernel_config CONFIG_NFT_REJECT m
182 182 set_kernel_config CONFIG_NFT_REJECT_INET m
183 183 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
184 184 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
185 185 set_kernel_config CONFIG_NFT_SET_HASH m
186 186 set_kernel_config CONFIG_NFT_SET_RBTREE m
187 187 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
188 188 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
189 189 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
190 190 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
191 191 set_kernel_config CONFIG_NF_DUP_IPV4 m
192 192 set_kernel_config CONFIG_NF_DUP_IPV6 m
193 193 set_kernel_config CONFIG_NF_DUP_NETDEV m
194 194 set_kernel_config CONFIG_NF_LOG_BRIDGE m
195 195 set_kernel_config CONFIG_NF_LOG_IPV4 m
196 196 set_kernel_config CONFIG_NF_LOG_IPV6 m
197 197 set_kernel_config CONFIG_NF_NAT_IPV4 m
198 198 set_kernel_config CONFIG_NF_NAT_IPV6 m
199 199 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
200 200 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
201 201 set_kernel_config CONFIG_NF_NAT_PPTP m
202 202 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
203 203 set_kernel_config CONFIG_NF_NAT_REDIRECT m
204 204 set_kernel_config CONFIG_NF_NAT_SIP m
205 205 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
206 206 set_kernel_config CONFIG_NF_NAT_TFTP m
207 207 set_kernel_config CONFIG_NF_REJECT_IPV4 m
208 208 set_kernel_config CONFIG_NF_REJECT_IPV6 m
209 209 set_kernel_config CONFIG_NF_TABLES m
210 210 set_kernel_config CONFIG_NF_TABLES_ARP m
211 211 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
212 212 set_kernel_config CONFIG_NF_TABLES_INET m
213 213 set_kernel_config CONFIG_NF_TABLES_IPV4 m
214 214 set_kernel_config CONFIG_NF_TABLES_IPV6 m
215 215 set_kernel_config CONFIG_NF_TABLES_NETDEV m
216 216 fi
217 217
218 218 # 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
219 219 if [ "$KERNEL_BPF" = true ] ; then
220 220 set_kernel_config CONFIG_BPF_SYSCALL y
221 221 set_kernel_config CONFIG_BPF_EVENTS y
222 222 set_kernel_config CONFIG_BPF_STREAM_PARSER y
223 223 set_kernel_config CONFIG_CGROUP_BPF y
224 224 fi
225 225
226 226 # KERNEL_DEFAULT_GOV was set by user
227 227 if ! [ "$KERNEL_DEFAULT_GOV" = POWERSAVE ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
228 228 # unset default governor
229 229 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
230 230
231 231 case "$KERNEL_DEFAULT_GOV" in
232 232 "PERFORMANCE")
233 233 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
234 234 ;;
235 235 "USERSPACE")
236 236 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
237 237 ;;
238 238 "ONDEMAND")
239 239 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
240 240 ;;
241 241 "CONSERVATIVE")
242 242 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
243 243 ;;
244 244 "CONSERVATIVE")
245 245 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
246 246 ;;
247 247 *)
248 248 echo "error: unsupported default cpu governor"
249 249 exit 1
250 250 ;;
251 251 esac
252 252 fi
253 253
254 254
255 255
256 256 #Revert to previous directory
257 257 cd "${WORKDIR}" || exit
258 258
259 259 # Set kernel configuration parameters to enable qemu emulation
260 260 if [ "$ENABLE_QEMU" = true ] ; then
261 261 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
262 262 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
263 263
264 264 if [ "$ENABLE_CRYPTFS" = true ] ; then
265 265 {
266 266 echo "CONFIG_EMBEDDED=y"
267 267 echo "CONFIG_EXPERT=y"
268 268 echo "CONFIG_DAX=y"
269 269 echo "CONFIG_MD=y"
270 270 echo "CONFIG_BLK_DEV_MD=y"
271 271 echo "CONFIG_MD_AUTODETECT=y"
272 272 echo "CONFIG_BLK_DEV_DM=y"
273 273 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
274 274 echo "CONFIG_DM_CRYPT=y"
275 275 echo "CONFIG_CRYPTO_BLKCIPHER=y"
276 276 echo "CONFIG_CRYPTO_CBC=y"
277 277 echo "CONFIG_CRYPTO_XTS=y"
278 278 echo "CONFIG_CRYPTO_SHA512=y"
279 279 echo "CONFIG_CRYPTO_MANAGER=y"
280 280 } >> "${KERNEL_DIR}"/.config
281 281 fi
282 282 fi
283 283
284 284 # Copy custom kernel configuration file
285 285 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
286 286 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
287 287 fi
288 288
289 289 # Set kernel configuration parameters to their default values
290 290 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
291 291 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
292 292 fi
293 293
294 294 # Start menu-driven kernel configuration (interactive)
295 295 if [ "$KERNEL_MENUCONFIG" = true ] ; then
296 296 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
297 297 fi
298 298 # end if "$KERNELSRC_CONFIG" = true
299 299 fi
300 300
301 301 # Use ccache to cross compile the kernel
302 302 if [ "$KERNEL_CCACHE" = true ] ; then
303 303 cc="ccache ${CROSS_COMPILE}gcc"
304 304 else
305 305 cc="${CROSS_COMPILE}gcc"
306 306 fi
307 307
308 308 # Cross compile kernel and dtbs
309 309 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
310 310
311 311 # Cross compile kernel modules
312 312 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
313 313 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
314 314 fi
315 315 # end if "$KERNELSRC_PREBUILT" = false
316 316 fi
317 317
318 318 # Check if kernel compilation was successful
319 319 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
320 320 echo "error: kernel compilation failed! (kernel image not found)"
321 321 cleanup
322 322 exit 1
323 323 fi
324 324
325 325 # Install kernel modules
326 326 if [ "$ENABLE_REDUCE" = true ] ; then
327 327 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
328 328 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
329 329 fi
330 330 else
331 331 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
332 332 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
333 333 fi
334 334
335 335 # Install kernel firmware
336 336 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
337 337 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
338 338 fi
339 339 fi
340 340
341 341 # Install kernel headers
342 342 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
343 343 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
344 344 fi
345 345 # make tar.gz kernel package - missing os bzw. modules
346 346 #** ** ** WARNING ** ** **
347 347 #Your architecture did not define any architecture-dependent files
348 348 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
349 349 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
350 350
351 351 # Prepare boot (firmware) directory
352 352 mkdir "${BOOT_DIR}"
353 353
354 354 # Get kernel release version
355 355 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
356 356
357 357 # Copy kernel configuration file to the boot directory
358 358 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
359 359
360 360 # Prepare device tree directory
361 361 mkdir "${BOOT_DIR}/overlays"
362 362
363 363 # Ensure the proper .dtb is located
364 364 if [ "$KERNEL_ARCH" = "arm" ] ; then
365 365 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
366 366 if [ -f "${dtb}" ] ; then
367 367 install_readonly "${dtb}" "${BOOT_DIR}/"
368 368 fi
369 369 done
370 370 else
371 371 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
372 372 if [ -f "${dtb}" ] ; then
373 373 install_readonly "${dtb}" "${BOOT_DIR}/"
374 374 fi
375 375 done
376 376 fi
377 377
378 378 # Copy compiled dtb device tree files
379 379 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
380 380 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
381 381 if [ -f "${dtb}" ] ; then
382 382 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
383 383 fi
384 384 done
385 385
386 386 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
387 387 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
388 388 fi
389 389 fi
390 390
391 391 if [ "$ENABLE_UBOOT" = false ] ; then
392 392 # Convert and copy kernel image to the boot directory
393 393 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
394 394 else
395 395 # Copy kernel image to the boot directory
396 396 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
397 397 fi
398 398
399 399 # Remove kernel sources
400 400 if [ "$KERNEL_REMOVESRC" = true ] ; then
401 401 rm -fr "${KERNEL_DIR}"
402 402 else
403 403 # Prepare compiled kernel modules
404 404 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
405 405 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
406 406 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
407 407 fi
408 408
409 409 # Create symlinks for kernel modules
410 410 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
411 411 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
412 412 fi
413 413 fi
414 414
415 415 else # BUILD_KERNEL=false
416 416 # echo Install precompiled kernel...
417 417 # echo error: not implemented
418 418 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
419 419 if [ "$KERNEL_ZSWAP" = true ] ; then
420 420 RPI3_64_KERNEL_URL=RPI3_64_BIS_KERNEL_URL
421 421 fi
422 422 # Create temporary directory for dl
423 423 temp_dir=$(as_nobody mktemp -d)
424 424
425 425 # Fetch kernel dl
426 426 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
427 427 #extract download
428 428 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
429 429
430 430 #move extracted kernel to /boot/firmware
431 431 mkdir "${R}/boot/firmware"
432 432 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
433 433 cp -r "${temp_dir}"/lib/* "${R}"/lib/
434 434
435 435 # Remove temporary directory for kernel sources
436 436 rm -fr "${temp_dir}"
437 437 # Set permissions of the kernel sources
438 438 chown -R root:root "${R}/boot/firmware"
439 439 chown -R root:root "${R}/lib/modules"
440 440 #Create cmdline.txt for 15-rpi-config.sh
441 441 touch "${BOOT_DIR}/cmdline.txt"
442 442 fi
443 443
444 # INstall Kernel from hypriot comptabile with all Raspberry PI
444 # Install Kernel from hypriot comptabile with all Raspberry PI
445 445 if [ "$SET_ARCH" = 32 ] ; then
446 # Create temporary directory for dl
447 temp_dir=$(as_nobody mktemp -d)
448
449 446 # Fetch kernel
450 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
447 as_nobody wget -O "${R}"/kernel.deb -c "$RPI_32_KERNEL_URL"
451 448
452 449 # Fetch kernel header
453 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
450 as_nobody wget -O "${R}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
454 451
455 452 # Install kernel
456 chroot_exec dpkg -i "${temp_dir}"/kernel.deb
453 chroot_exec dpkg -i "${R}"/kernel.deb
457 454
458 455 # Install kernel header
459 chroot_exec dpkg -i "${temp_dir}"/kernel-header.deb
456 chroot_exec dpkg -i "${R}"/kernel-header.deb
460 457
461 458 # Remove temporary directory for U-Boot sources
462 459 rm -fr "${temp_dir}"
463 460 fi
464 461
465 462 # Check if kernel installation was successful
466 463 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
467 464 if [ -z "$KERNEL" ] ; then
468 465 echo "error: kernel installation failed! (/boot/kernel* not found)"
469 466 cleanup
470 467 exit 1
471 468 fi
472 469 fi
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