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