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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 # Need to use kali kernel src if nexmon is enabled
9 9 if [ "$ENABLE_NEXMON" = true ] ; then
10 10 KERNEL_URL="${NEXMON_URL}"
11 11 fi
12 12
13 13 # Fetch and build latest raspberry kernel
14 14 if [ "$BUILD_KERNEL" = true ] ; then
15 echo "WARNING: if ENABLE_NEXMON is used remember to put the CORRECT KERNELSRC IN KERNELSRC_DIR!!!!!1!"
15 16 # Setup source directory
16 17 mkdir -p "${KERNEL_DIR}"
17 18
18 19 # Copy existing kernel sources into chroot directory
19 20 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
20 21 # Copy kernel sources and include hidden files
21 22 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
22 23
23 24 # Clean the kernel sources
24 25 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
25 26 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
26 27 fi
27 28 else # KERNELSRC_DIR=""
28 29 # Create temporary directory for kernel sources
29 30 temp_dir=$(as_nobody mktemp -d)
30 31
31 32 # Fetch current RPi2/3 kernel sources
32 33 if [ -z "${KERNEL_BRANCH}" ] ; then
33 34 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
34 35 else
35 36 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
36 37 fi
37 38
38 39 # Copy downloaded kernel sources
39 40 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
40 41
41 42 # Remove temporary directory for kernel sources
42 43 rm -fr "${temp_dir}"
43 44
44 45 # Set permissions of the kernel sources
45 46 chown -R root:root "${R}/usr/src"
46 47 fi
47 48
48 49 # Calculate optimal number of kernel building threads
49 50 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
50 51 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
51 52 fi
52 53
53 54 # Configure and build kernel
54 55 if [ "$KERNELSRC_PREBUILT" = false ] ; then
55 56 # Remove device, network and filesystem drivers from kernel configuration
56 57 if [ "$KERNEL_REDUCE" = true ] ; then
57 58 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
58 59 sed -i\
59 60 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
60 61 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
61 62 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
62 63 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
63 64 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
64 65 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
65 66 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
66 67 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
67 68 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
68 69 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
69 70 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
70 71 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
71 72 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
72 73 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
73 74 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
74 75 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
75 76 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
76 77 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
77 78 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
78 79 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
79 80 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
80 81 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
81 82 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
82 83 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
83 84 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
84 85 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
85 86 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
86 87 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
87 88 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
88 89 "${KERNEL_DIR}/.config"
89 90 fi
90 91
91 92 if [ "$KERNELSRC_CONFIG" = true ] ; then
92 93 # Load default raspberry kernel configuration
93 94 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
94 95
95 96 #Switch to KERNELSRC_DIR so we can use set_kernel_config
96 97 cd "${KERNEL_DIR}" || exit
97 98
98 99 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
99 100 if [ "$KERNEL_ZSWAP" = true ] ; then
100 101 set_kernel_config CONFIG_ZPOOL y
101 102 set_kernel_config CONFIG_ZSWAP y
102 103 set_kernel_config CONFIG_ZBUD y
103 104 set_kernel_config CONFIG_Z3FOLD y
104 105 set_kernel_config CONFIG_ZSMALLOC y
105 106 set_kernel_config CONFIG_PGTABLE_MAPPING y
106 107 fi
107 108
108 109 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
109 110 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
110 111 set_kernel_config CONFIG_VIRTUALIZATION y
111 112 set_kernel_config CONFIG_KVM y
112 113 set_kernel_config CONFIG_VHOST_NET m
113 114 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
114 115 fi
115 116
116 117 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
117 118 if [ "$KERNEL_NF" = true ] ; then
118 119 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
119 120 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
120 121 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
121 122 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
122 123 set_kernel_config CONFIG_NFT_FIB_INET m
123 124 set_kernel_config CONFIG_NFT_FIB_IPV4 m
124 125 set_kernel_config CONFIG_NFT_FIB_IPV6 m
125 126 set_kernel_config CONFIG_NFT_FIB_NETDEV m
126 127 set_kernel_config CONFIG_NFT_OBJREF m
127 128 set_kernel_config CONFIG_NFT_RT m
128 129 set_kernel_config CONFIG_NFT_SET_BITMAP m
129 130 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
130 131 set_kernel_config CONFIG_NF_LOG_ARP m
131 132 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
132 133 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
133 134 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
134 135 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
135 136 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
136 137 set_kernel_config CONFIG_IP6_NF_IPTABLES m
137 138 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
138 139 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
139 140 set_kernel_config CONFIG_IP6_NF_NAT m
140 141 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
141 142 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
142 143 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
143 144 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
144 145 set_kernel_config CONFIG_IP_SET_HASH_IP m
145 146 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
146 147 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
147 148 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
148 149 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
149 150 set_kernel_config CONFIG_IP_SET_HASH_MAC m
150 151 set_kernel_config CONFIG_IP_SET_HASH_NET m
151 152 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
152 153 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
153 154 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
154 155 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
155 156 set_kernel_config CONFIG_IP_SET_LIST_SET m
156 157 set_kernel_config CONFIG_NETFILTER_XTABLES m
157 158 set_kernel_config CONFIG_NETFILTER_XTABLES m
158 159 set_kernel_config CONFIG_NFT_BRIDGE_META m
159 160 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
160 161 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
161 162 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
162 163 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
163 164 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
164 165 set_kernel_config CONFIG_NFT_COMPAT m
165 166 set_kernel_config CONFIG_NFT_COUNTER m
166 167 set_kernel_config CONFIG_NFT_CT m
167 168 set_kernel_config CONFIG_NFT_DUP_IPV4 m
168 169 set_kernel_config CONFIG_NFT_DUP_IPV6 m
169 170 set_kernel_config CONFIG_NFT_DUP_NETDEV m
170 171 set_kernel_config CONFIG_NFT_EXTHDR m
171 172 set_kernel_config CONFIG_NFT_FWD_NETDEV m
172 173 set_kernel_config CONFIG_NFT_HASH m
173 174 set_kernel_config CONFIG_NFT_LIMIT m
174 175 set_kernel_config CONFIG_NFT_LOG m
175 176 set_kernel_config CONFIG_NFT_MASQ m
176 177 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
177 178 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
178 179 set_kernel_config CONFIG_NFT_META m
179 180 set_kernel_config CONFIG_NFT_NAT m
180 181 set_kernel_config CONFIG_NFT_NUMGEN m
181 182 set_kernel_config CONFIG_NFT_QUEUE m
182 183 set_kernel_config CONFIG_NFT_QUOTA m
183 184 set_kernel_config CONFIG_NFT_REDIR m
184 185 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
185 186 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
186 187 set_kernel_config CONFIG_NFT_REJECT m
187 188 set_kernel_config CONFIG_NFT_REJECT_INET m
188 189 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
189 190 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
190 191 set_kernel_config CONFIG_NFT_SET_HASH m
191 192 set_kernel_config CONFIG_NFT_SET_RBTREE m
192 193 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
193 194 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
194 195 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
195 196 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
196 197 set_kernel_config CONFIG_NF_DUP_IPV4 m
197 198 set_kernel_config CONFIG_NF_DUP_IPV6 m
198 199 set_kernel_config CONFIG_NF_DUP_NETDEV m
199 200 set_kernel_config CONFIG_NF_LOG_BRIDGE m
200 201 set_kernel_config CONFIG_NF_LOG_IPV4 m
201 202 set_kernel_config CONFIG_NF_LOG_IPV6 m
202 203 set_kernel_config CONFIG_NF_NAT_IPV4 m
203 204 set_kernel_config CONFIG_NF_NAT_IPV6 m
204 205 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
205 206 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
206 207 set_kernel_config CONFIG_NF_NAT_PPTP m
207 208 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
208 209 set_kernel_config CONFIG_NF_NAT_REDIRECT m
209 210 set_kernel_config CONFIG_NF_NAT_SIP m
210 211 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
211 212 set_kernel_config CONFIG_NF_NAT_TFTP m
212 213 set_kernel_config CONFIG_NF_REJECT_IPV4 m
213 214 set_kernel_config CONFIG_NF_REJECT_IPV6 m
214 215 set_kernel_config CONFIG_NF_TABLES m
215 216 set_kernel_config CONFIG_NF_TABLES_ARP m
216 217 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
217 218 set_kernel_config CONFIG_NF_TABLES_INET m
218 219 set_kernel_config CONFIG_NF_TABLES_IPV4 m
219 220 set_kernel_config CONFIG_NF_TABLES_IPV6 m
220 221 set_kernel_config CONFIG_NF_TABLES_NETDEV m
221 222 fi
222 223
223 224 # 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
224 225 if [ "$KERNEL_BPF" = true ] ; then
225 226 set_kernel_config CONFIG_BPF_SYSCALL y
226 227 set_kernel_config CONFIG_BPF_EVENTS y
227 228 set_kernel_config CONFIG_BPF_STREAM_PARSER y
228 229 set_kernel_config CONFIG_CGROUP_BPF y
229 230 fi
230 231
231 232 # KERNEL_DEFAULT_GOV was set by user
232 233 if ! [ "$KERNEL_DEFAULT_GOV" = POWERSAVE ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
233 234 # unset default governor
234 235 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
235 236
236 237 case "$KERNEL_DEFAULT_GOV" in
237 238 "PERFORMANCE")
238 239 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
239 240 ;;
240 241 "USERSPACE")
241 242 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
242 243 ;;
243 244 "ONDEMAND")
244 245 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
245 246 ;;
246 247 "CONSERVATIVE")
247 248 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
248 249 ;;
249 250 "CONSERVATIVE")
250 251 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
251 252 ;;
252 253 *)
253 254 echo "error: unsupported default cpu governor"
254 255 exit 1
255 256 ;;
256 257 esac
257 258 fi
258 259
259 260
260 261
261 262 #Revert to previous directory
262 263 cd "${WORKDIR}" || exit
263 264
264 265 # Set kernel configuration parameters to enable qemu emulation
265 266 if [ "$ENABLE_QEMU" = true ] ; then
266 267 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
267 268 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
268 269
269 270 if [ "$ENABLE_CRYPTFS" = true ] ; then
270 271 {
271 272 echo "CONFIG_EMBEDDED=y"
272 273 echo "CONFIG_EXPERT=y"
273 274 echo "CONFIG_DAX=y"
274 275 echo "CONFIG_MD=y"
275 276 echo "CONFIG_BLK_DEV_MD=y"
276 277 echo "CONFIG_MD_AUTODETECT=y"
277 278 echo "CONFIG_BLK_DEV_DM=y"
278 279 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
279 280 echo "CONFIG_DM_CRYPT=y"
280 281 echo "CONFIG_CRYPTO_BLKCIPHER=y"
281 282 echo "CONFIG_CRYPTO_CBC=y"
282 283 echo "CONFIG_CRYPTO_XTS=y"
283 284 echo "CONFIG_CRYPTO_SHA512=y"
284 285 echo "CONFIG_CRYPTO_MANAGER=y"
285 286 } >> "${KERNEL_DIR}"/.config
286 287 fi
287 288 fi
288 289
289 290 # Copy custom kernel configuration file
290 291 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
291 292 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
292 293 fi
293 294
294 295 # Set kernel configuration parameters to their default values
295 296 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
296 297 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
297 298 fi
298 299
299 300 # Start menu-driven kernel configuration (interactive)
300 301 if [ "$KERNEL_MENUCONFIG" = true ] ; then
301 302 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
302 303 fi
303 304 # end if "$KERNELSRC_CONFIG" = true
304 305 fi
305 306
306 307 # Use ccache to cross compile the kernel
307 308 if [ "$KERNEL_CCACHE" = true ] ; then
308 309 cc="ccache ${CROSS_COMPILE}gcc"
309 310 else
310 311 cc="${CROSS_COMPILE}gcc"
311 312 fi
312 313
313 314 # Cross compile kernel and dtbs
314 315 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
315 316
316 317 # Cross compile kernel modules
317 318 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
318 319 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
319 320 fi
320 321 # end if "$KERNELSRC_PREBUILT" = false
321 322 fi
322 323
323 324 # Check if kernel compilation was successful
324 325 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
325 326 echo "error: kernel compilation failed! (kernel image not found)"
326 327 cleanup
327 328 exit 1
328 329 fi
329 330
330 331 # Install kernel modules
331 332 if [ "$ENABLE_REDUCE" = true ] ; then
332 333 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
333 334 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
334 335 fi
335 336 else
336 337 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
337 338 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
338 339 fi
339 340
340 341 # Install kernel firmware
341 342 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
342 343 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
343 344 fi
344 345 fi
345 346
346 347 # Install kernel headers
347 348 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
348 349 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
349 350 fi
350 351 # make tar.gz kernel package - missing os bzw. modules
351 352 #** ** ** WARNING ** ** **
352 353 #Your architecture did not define any architecture-dependent files
353 354 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
354 355 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
355 356
356 357 # Prepare boot (firmware) directory
357 358 mkdir "${BOOT_DIR}"
358 359
359 360 # Get kernel release version
360 361 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
361 362
362 363 # Copy kernel configuration file to the boot directory
363 364 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
364 365
365 366 # Prepare device tree directory
366 367 mkdir "${BOOT_DIR}/overlays"
367 368
368 369 # Ensure the proper .dtb is located
369 370 if [ "$KERNEL_ARCH" = "arm" ] ; then
370 371 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
371 372 if [ -f "${dtb}" ] ; then
372 373 install_readonly "${dtb}" "${BOOT_DIR}/"
373 374 fi
374 375 done
375 376 else
376 377 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
377 378 if [ -f "${dtb}" ] ; then
378 379 install_readonly "${dtb}" "${BOOT_DIR}/"
379 380 fi
380 381 done
381 382 fi
382 383
383 384 # Copy compiled dtb device tree files
384 385 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
385 386 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
386 387 if [ -f "${dtb}" ] ; then
387 388 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
388 389 fi
389 390 done
390 391
391 392 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
392 393 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
393 394 fi
394 395 fi
395 396
396 397 if [ "$ENABLE_UBOOT" = false ] ; then
397 398 # Convert and copy kernel image to the boot directory
398 399 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
399 400 else
400 401 # Copy kernel image to the boot directory
401 402 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
402 403 fi
403 404
404 405 # Remove kernel sources
405 406 if [ "$KERNEL_REMOVESRC" = true ] ; then
406 407 rm -fr "${KERNEL_DIR}"
407 408 else
408 409 # Prepare compiled kernel modules
409 410 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
410 411 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
411 412 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
412 413 fi
413 414
414 415 # Create symlinks for kernel modules
415 416 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
416 417 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
417 418 fi
418 419 fi
419 420
420 421 else # BUILD_KERNEL=false
421 422 # echo Install precompiled kernel...
422 423 # echo error: not implemented
423 424 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
424 425
425 426 # Use Sakakis modified kernel if ZSWAP is active
426 427 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
427 428 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
428 429 fi
429 430
430 431 # Create temporary directory for dl
431 432 temp_dir=$(as_nobody mktemp -d)
432 433
433 434 # Fetch kernel dl
434 435 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
435 436
436 437 #extract download
437 438 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
438 439
439 440 #move extracted kernel to /boot/firmware
440 441 mkdir "${R}/boot/firmware"
441 442 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
442 443 cp -r "${temp_dir}"/lib/* "${R}"/lib/
443 444
444 445 # Remove temporary directory for kernel sources
445 446 rm -fr "${temp_dir}"
446 447
447 448 # Set permissions of the kernel sources
448 449 chown -R root:root "${R}/boot/firmware"
449 450 chown -R root:root "${R}/lib/modules"
450 451 fi
451 452
452 453 # Install Kernel from hypriot comptabile with all Raspberry PI
453 454 if [ "$SET_ARCH" = 32 ] ; then
454 455 # Create temporary directory for dl
455 456 temp_dir=$(as_nobody mktemp -d)
456 457
457 458 # Fetch kernel
458 459 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
459 460
460 461 # Copy downloaded U-Boot sources
461 462 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
462 463
463 464 # Set permissions
464 465 chown -R root:root "${R}"/tmp/kernel.deb
465 466
466 467 # Install kernel
467 468 chroot_exec dpkg -i /tmp/kernel.deb
468 469
469 470 # move /boot to /boot/firmware to fit script env.
470 471 #mkdir "${BOOT_DIR}"
471 472 mkdir "${temp_dir}"/firmware
472 473 mv "${R}"/boot/* "${temp_dir}"/firmware/
473 474 mv "${temp_dir}"/firmware "${R}"/boot/
474 475
475 476 #same for kernel headers
476 477 if [ "$KERNEL_HEADERS" = true ] ; then
477 478 # Fetch kernel header
478 479 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
479 480 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
480 481 chown -R root:root "${R}"/tmp/kernel-header.deb
481 482 # Install kernel header
482 483 chroot_exec dpkg -i /tmp/kernel-header.deb
483 484 rm -f "${R}"/tmp/kernel-header.deb
484 485 fi
485 486
486 487 # Remove temporary directory and files
487 488 rm -fr "${temp_dir}"
488 489 rm -f "${R}"/tmp/kernel.deb
489 490 fi
490 491
491 492 # Check if kernel installation was successful
492 493 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
493 494 if [ -z "$KERNEL" ] ; then
494 495 echo "error: kernel installation failed! (/boot/kernel* not found)"
495 496 cleanup
496 497 exit 1
497 498 fi
498 499 fi
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