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