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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 KERNEL_BRANCH=""
12 12 KERNELSRC_DIR=""
13 13 fi
14 14
15 15 # Fetch and build latest raspberry kernel
16 16 if [ "$BUILD_KERNEL" = true ] ; then
17 17 # Setup source directory
18 18 mkdir -p "${KERNEL_DIR}"
19 19
20 20 # Copy existing kernel sources into chroot directory
21 21 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
22 22 # Copy kernel sources and include hidden files
23 23 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
24 24
25 25 # Clean the kernel sources
26 26 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
27 27 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
28 28 fi
29 29 else # KERNELSRC_DIR=""
30 30 # Create temporary directory for kernel sources
31 31 temp_dir=$(as_nobody mktemp -d)
32 32
33 33 # Fetch current RPi2/3 kernel sources
34 34 if [ -z "${KERNEL_BRANCH}" ] ; then
35 35 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
36 36 else
37 37 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
38 38 fi
39 39
40 40 # Copy downloaded kernel sources
41 41 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
42 42
43 43 # Remove temporary directory for kernel sources
44 44 rm -fr "${temp_dir}"
45 45
46 46 # Set permissions of the kernel sources
47 47 chown -R root:root "${R}/usr/src"
48 48 fi
49 49
50 50 # Calculate optimal number of kernel building threads
51 51 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
52 52 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
53 53 fi
54 54
55 55 # Configure and build kernel
56 56 if [ "$KERNELSRC_PREBUILT" = false ] ; then
57 57 # Remove device, network and filesystem drivers from kernel configuration
58 58 if [ "$KERNEL_REDUCE" = true ] ; then
59 59 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
60 60 sed -i\
61 61 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
62 62 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
63 63 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
64 64 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
65 65 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
66 66 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
67 67 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
68 68 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
69 69 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
70 70 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
71 71 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
72 72 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
73 73 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
74 74 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
75 75 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
76 76 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
77 77 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
78 78 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
79 79 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
80 80 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
81 81 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
82 82 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
83 83 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
84 84 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
85 85 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
86 86 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
87 87 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
88 88 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
89 89 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
90 90 "${KERNEL_DIR}/.config"
91 91 fi
92 92
93 93 if [ "$KERNELSRC_CONFIG" = true ] ; then
94 94 # Load default raspberry kernel configuration
95 95 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
96 96
97 97 #Switch to KERNELSRC_DIR so we can use set_kernel_config
98 98 cd "${KERNEL_DIR}" || exit
99 99
100 100 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
101 101 if [ "$KERNEL_ZSWAP" = true ] ; then
102 102 set_kernel_config CONFIG_ZPOOL y
103 103 set_kernel_config CONFIG_ZSWAP y
104 104 set_kernel_config CONFIG_ZBUD y
105 105 set_kernel_config CONFIG_Z3FOLD y
106 106 set_kernel_config CONFIG_ZSMALLOC y
107 107 set_kernel_config CONFIG_PGTABLE_MAPPING y
108 108 fi
109 109
110 110 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
111 111 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
112 112 set_kernel_config CONFIG_VIRTUALIZATION y
113 113 set_kernel_config CONFIG_KVM y
114 114 set_kernel_config CONFIG_VHOST_NET m
115 115 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
116 116 fi
117 117
118 118 # enable apparmor,integrity audit,
119 119 if [ "$KERNEL_SECURITY" = true ] ; then
120 120
121 121 # security filesystem, security models and audit
122 122 set_kernel_config CONFIG_SECURITYFS y
123 123 set_kernel_config CONFIG_SECURITY y
124 124 set_kernel_config CONFIG_AUDIT y
125 125
126 126 # harden strcpy and memcpy
127 127 set_kernel_config CONFIG_HARDENED_USERCOPY=y
128 128 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
129 129 set_kernel_config CONFIG_FORTIFY_SOURCE=y
130 130
131 131 # integrity sub-system
132 132 set_kernel_config CONFIG_INTEGRITY=y
133 133 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
134 134 set_kernel_config CONFIG_INTEGRITY_AUDIT=y
135 135 set_kernel_config CONFIG_INTEGRITY_SIGNATURE=y
136 136 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING=y
137 137
138 138 # This option provides support for retaining authentication tokens and access keys in the kernel.
139 139 set_kernel_config CONFIG_KEYS=y
140 140 set_kernel_config CONFIG_KEYS_COMPAT=y
141 141
142 142 # Apparmor
143 143 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
144 144 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
145 145 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
146 146 set_kernel_config CONFIG_SECURITY_APPARMOR y
147 147 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
148 148 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
149 149
150 150 # restrictions on unprivileged users reading the kernel
151 151 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT=y
152 152
153 153 # network security hooks
154 154 set_kernel_config CONFIG_SECURITY_NETWORK y
155 155 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM=y
156 156 set_kernel_config CONFIG_SECURITY_PATH=y
157 157 set_kernel_config CONFIG_SECURITY_YAMA=y
158 158
159 159 # New Options
160 160 if [ "$KERNEL_NF" = true ] ; then
161 161 set_kernel_config CONFIG_IP_NF_SECURITY m
162 162 set_kernel_config CONFIG_NETLABEL y
163 163 set_kernel_config CONFIG_IP6_NF_SECURITY m
164 164 fi
165 165 set_kernel_config CONFIG_SECURITY_SELINUX n
166 166 set_kernel_config CONFIG_SECURITY_SMACK n
167 167 set_kernel_config CONFIG_SECURITY_TOMOYO n
168 168 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
169 169 set_kernel_config CONFIG_SECURITY_LOADPIN n
170 170 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
171 171 set_kernel_config CONFIG_IMA n
172 172 set_kernel_config CONFIG_EVM n
173 173 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
174 174 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
175 175 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
176 176 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
177 177 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
178 178 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
179 179 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
180 180 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
181 181 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
182 182 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
183 183
184 184 set_kernel_config CONFIG_ARM64_CRYPTO y
185 185 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
186 186 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
187 187 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
188 188 set_kernel_config CRYPTO_GHASH_ARM64_CE m
189 189 set_kernel_config CRYPTO_SHA2_ARM64_CE m
190 190 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
191 191 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
192 192 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
193 193 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
194 194 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
195 195 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
196 196 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
197 197 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
198 198 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
199 set_kernel_config SYSTEM_TRUSTED_KEYS
199 200 fi
200 201
201 202 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
202 203 if [ "$KERNEL_NF" = true ] ; then
203 204 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
204 205 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
205 206 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
206 207 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
207 208 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
208 209 set_kernel_config CONFIG_NFT_FIB_INET m
209 210 set_kernel_config CONFIG_NFT_FIB_IPV4 m
210 211 set_kernel_config CONFIG_NFT_FIB_IPV6 m
211 212 set_kernel_config CONFIG_NFT_FIB_NETDEV m
212 213 set_kernel_config CONFIG_NFT_OBJREF m
213 214 set_kernel_config CONFIG_NFT_RT m
214 215 set_kernel_config CONFIG_NFT_SET_BITMAP m
215 216 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
216 217 set_kernel_config CONFIG_NF_LOG_ARP m
217 218 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
218 219 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
219 220 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
220 221 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
221 222 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
222 223 set_kernel_config CONFIG_IP6_NF_IPTABLES m
223 224 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
224 225 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
225 226 set_kernel_config CONFIG_IP6_NF_NAT m
226 227 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
227 228 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
228 229 set_kernel_config CONFIG_IP_NF_SECURITY m
229 230 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
230 231 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
231 232 set_kernel_config CONFIG_IP_SET_HASH_IP m
232 233 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
233 234 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
234 235 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
235 236 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
236 237 set_kernel_config CONFIG_IP_SET_HASH_MAC m
237 238 set_kernel_config CONFIG_IP_SET_HASH_NET m
238 239 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
239 240 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
240 241 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
241 242 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
242 243 set_kernel_config CONFIG_IP_SET_LIST_SET m
243 244 set_kernel_config CONFIG_NETFILTER_XTABLES m
244 245 set_kernel_config CONFIG_NETFILTER_XTABLES m
245 246 set_kernel_config CONFIG_NFT_BRIDGE_META m
246 247 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
247 248 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
248 249 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
249 250 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
250 251 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
251 252 set_kernel_config CONFIG_NFT_COMPAT m
252 253 set_kernel_config CONFIG_NFT_COUNTER m
253 254 set_kernel_config CONFIG_NFT_CT m
254 255 set_kernel_config CONFIG_NFT_DUP_IPV4 m
255 256 set_kernel_config CONFIG_NFT_DUP_IPV6 m
256 257 set_kernel_config CONFIG_NFT_DUP_NETDEV m
257 258 set_kernel_config CONFIG_NFT_EXTHDR m
258 259 set_kernel_config CONFIG_NFT_FWD_NETDEV m
259 260 set_kernel_config CONFIG_NFT_HASH m
260 261 set_kernel_config CONFIG_NFT_LIMIT m
261 262 set_kernel_config CONFIG_NFT_LOG m
262 263 set_kernel_config CONFIG_NFT_MASQ m
263 264 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
264 265 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
265 266 set_kernel_config CONFIG_NFT_META m
266 267 set_kernel_config CONFIG_NFT_NAT m
267 268 set_kernel_config CONFIG_NFT_NUMGEN m
268 269 set_kernel_config CONFIG_NFT_QUEUE m
269 270 set_kernel_config CONFIG_NFT_QUOTA m
270 271 set_kernel_config CONFIG_NFT_REDIR m
271 272 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
272 273 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
273 274 set_kernel_config CONFIG_NFT_REJECT m
274 275 set_kernel_config CONFIG_NFT_REJECT_INET m
275 276 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
276 277 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
277 278 set_kernel_config CONFIG_NFT_SET_HASH m
278 279 set_kernel_config CONFIG_NFT_SET_RBTREE m
279 280 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
280 281 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
281 282 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
282 283 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
283 284 set_kernel_config CONFIG_NF_DUP_IPV4 m
284 285 set_kernel_config CONFIG_NF_DUP_IPV6 m
285 286 set_kernel_config CONFIG_NF_DUP_NETDEV m
286 287 set_kernel_config CONFIG_NF_LOG_BRIDGE m
287 288 set_kernel_config CONFIG_NF_LOG_IPV4 m
288 289 set_kernel_config CONFIG_NF_LOG_IPV6 m
289 290 set_kernel_config CONFIG_NF_NAT_IPV4 m
290 291 set_kernel_config CONFIG_NF_NAT_IPV6 m
291 292 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
292 293 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
293 294 set_kernel_config CONFIG_NF_NAT_PPTP m
294 295 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
295 296 set_kernel_config CONFIG_NF_NAT_REDIRECT m
296 297 set_kernel_config CONFIG_NF_NAT_SIP m
297 298 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
298 299 set_kernel_config CONFIG_NF_NAT_TFTP m
299 300 set_kernel_config CONFIG_NF_REJECT_IPV4 m
300 301 set_kernel_config CONFIG_NF_REJECT_IPV6 m
301 302 set_kernel_config CONFIG_NF_TABLES m
302 303 set_kernel_config CONFIG_NF_TABLES_ARP m
303 304 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
304 305 set_kernel_config CONFIG_NF_TABLES_INET m
305 306 set_kernel_config CONFIG_NF_TABLES_IPV4 m
306 307 set_kernel_config CONFIG_NF_TABLES_IPV6 m
307 308 set_kernel_config CONFIG_NF_TABLES_NETDEV m
308 309 fi
309 310
310 311 # 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
311 312 if [ "$KERNEL_BPF" = true ] ; then
312 313 set_kernel_config CONFIG_BPF_SYSCALL y
313 314 set_kernel_config CONFIG_BPF_EVENTS y
314 315 set_kernel_config CONFIG_BPF_STREAM_PARSER y
315 316 set_kernel_config CONFIG_CGROUP_BPF y
316 317 fi
317 318
318 319 # KERNEL_DEFAULT_GOV was set by user
319 320 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
320 321
321 322 case "$KERNEL_DEFAULT_GOV" in
322 323 performance)
323 324 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
324 325 ;;
325 326 userspace)
326 327 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
327 328 ;;
328 329 ondemand)
329 330 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
330 331 ;;
331 332 conservative)
332 333 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
333 334 ;;
334 335 shedutil)
335 336 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
336 337 ;;
337 338 *)
338 339 echo "error: unsupported default cpu governor"
339 340 exit 1
340 341 ;;
341 342 esac
342 343
343 344 # unset previous default governor
344 345 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
345 346 fi
346 347
347 348
348 349 #Revert to previous directory
349 350 cd "${WORKDIR}" || exit
350 351
351 352 # Set kernel configuration parameters to enable qemu emulation
352 353 if [ "$ENABLE_QEMU" = true ] ; then
353 354 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
354 355 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
355 356
356 357 if [ "$ENABLE_CRYPTFS" = true ] ; then
357 358 {
358 359 echo "CONFIG_EMBEDDED=y"
359 360 echo "CONFIG_EXPERT=y"
360 361 echo "CONFIG_DAX=y"
361 362 echo "CONFIG_MD=y"
362 363 echo "CONFIG_BLK_DEV_MD=y"
363 364 echo "CONFIG_MD_AUTODETECT=y"
364 365 echo "CONFIG_BLK_DEV_DM=y"
365 366 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
366 367 echo "CONFIG_DM_CRYPT=y"
367 368 echo "CONFIG_CRYPTO_BLKCIPHER=y"
368 369 echo "CONFIG_CRYPTO_CBC=y"
369 370 echo "CONFIG_CRYPTO_XTS=y"
370 371 echo "CONFIG_CRYPTO_SHA512=y"
371 372 echo "CONFIG_CRYPTO_MANAGER=y"
372 373 } >> "${KERNEL_DIR}"/.config
373 374 fi
374 375 fi
375 376
376 377 # Copy custom kernel configuration file
377 378 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
378 379 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
379 380 fi
380 381
381 382 # Set kernel configuration parameters to their default values
382 383 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
383 384 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
384 385 fi
385 386
386 387 # Start menu-driven kernel configuration (interactive)
387 388 if [ "$KERNEL_MENUCONFIG" = true ] ; then
388 389 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
389 390 fi
390 391 # end if "$KERNELSRC_CONFIG" = true
391 392 fi
392 393
393 394 # Use ccache to cross compile the kernel
394 395 if [ "$KERNEL_CCACHE" = true ] ; then
395 396 cc="ccache ${CROSS_COMPILE}gcc"
396 397 else
397 398 cc="${CROSS_COMPILE}gcc"
398 399 fi
399 400
400 401 # Cross compile kernel and dtbs
401 402 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
402 403
403 404 # Cross compile kernel modules
404 405 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
405 406 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
406 407 fi
407 408 # end if "$KERNELSRC_PREBUILT" = false
408 409 fi
409 410
410 411 # Check if kernel compilation was successful
411 412 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
412 413 echo "error: kernel compilation failed! (kernel image not found)"
413 414 cleanup
414 415 exit 1
415 416 fi
416 417
417 418 # Install kernel modules
418 419 if [ "$ENABLE_REDUCE" = true ] ; then
419 420 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
420 421 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
421 422 fi
422 423 else
423 424 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
424 425 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
425 426 fi
426 427
427 428 # Install kernel firmware
428 429 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
429 430 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
430 431 fi
431 432 fi
432 433
433 434 # Install kernel headers
434 435 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
435 436 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
436 437 fi
437 438 # make tar.gz kernel package - missing os bzw. modules
438 439 #** ** ** WARNING ** ** **
439 440 #Your architecture did not define any architecture-dependent files
440 441 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
441 442 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
442 443
443 444 # Prepare boot (firmware) directory
444 445 mkdir "${BOOT_DIR}"
445 446
446 447 # Get kernel release version
447 448 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
448 449
449 450 # Copy kernel configuration file to the boot directory
450 451 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
451 452
452 453 # Prepare device tree directory
453 454 mkdir "${BOOT_DIR}/overlays"
454 455
455 456 # Ensure the proper .dtb is located
456 457 if [ "$KERNEL_ARCH" = "arm" ] ; then
457 458 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
458 459 if [ -f "${dtb}" ] ; then
459 460 install_readonly "${dtb}" "${BOOT_DIR}/"
460 461 fi
461 462 done
462 463 else
463 464 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
464 465 if [ -f "${dtb}" ] ; then
465 466 install_readonly "${dtb}" "${BOOT_DIR}/"
466 467 fi
467 468 done
468 469 fi
469 470
470 471 # Copy compiled dtb device tree files
471 472 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
472 473 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
473 474 if [ -f "${dtb}" ] ; then
474 475 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
475 476 fi
476 477 done
477 478
478 479 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
479 480 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
480 481 fi
481 482 fi
482 483
483 484 if [ "$ENABLE_UBOOT" = false ] ; then
484 485 # Convert and copy kernel image to the boot directory
485 486 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
486 487 else
487 488 # Copy kernel image to the boot directory
488 489 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
489 490 fi
490 491
491 492 # Remove kernel sources
492 493 if [ "$KERNEL_REMOVESRC" = true ] ; then
493 494 rm -fr "${KERNEL_DIR}"
494 495 else
495 496 # Prepare compiled kernel modules
496 497 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
497 498 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
498 499 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
499 500 fi
500 501
501 502 # Create symlinks for kernel modules
502 503 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
503 504 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
504 505 fi
505 506 fi
506 507
507 508 else # BUILD_KERNEL=false
508 509 # echo Install precompiled kernel...
509 510 # echo error: not implemented
510 511 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
511 512
512 513 # Use Sakakis modified kernel if ZSWAP is active
513 514 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
514 515 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
515 516 fi
516 517
517 518 # Create temporary directory for dl
518 519 temp_dir=$(as_nobody mktemp -d)
519 520
520 521 # Fetch kernel dl
521 522 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
522 523
523 524 #extract download
524 525 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
525 526
526 527 #move extracted kernel to /boot/firmware
527 528 mkdir "${R}/boot/firmware"
528 529 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
529 530 cp -r "${temp_dir}"/lib/* "${R}"/lib/
530 531
531 532 # Remove temporary directory for kernel sources
532 533 rm -fr "${temp_dir}"
533 534
534 535 # Set permissions of the kernel sources
535 536 chown -R root:root "${R}/boot/firmware"
536 537 chown -R root:root "${R}/lib/modules"
537 538 fi
538 539
539 540 # Install Kernel from hypriot comptabile with all Raspberry PI
540 541 if [ "$SET_ARCH" = 32 ] ; then
541 542 # Create temporary directory for dl
542 543 temp_dir=$(as_nobody mktemp -d)
543 544
544 545 # Fetch kernel
545 546 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
546 547
547 548 # Copy downloaded U-Boot sources
548 549 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
549 550
550 551 # Set permissions
551 552 chown -R root:root "${R}"/tmp/kernel.deb
552 553
553 554 # Install kernel
554 555 chroot_exec dpkg -i /tmp/kernel.deb
555 556
556 557 # move /boot to /boot/firmware to fit script env.
557 558 #mkdir "${BOOT_DIR}"
558 559 mkdir "${temp_dir}"/firmware
559 560 mv "${R}"/boot/* "${temp_dir}"/firmware/
560 561 mv "${temp_dir}"/firmware "${R}"/boot/
561 562
562 563 #same for kernel headers
563 564 if [ "$KERNEL_HEADERS" = true ] ; then
564 565 # Fetch kernel header
565 566 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
566 567 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
567 568 chown -R root:root "${R}"/tmp/kernel-header.deb
568 569 # Install kernel header
569 570 chroot_exec dpkg -i /tmp/kernel-header.deb
570 571 rm -f "${R}"/tmp/kernel-header.deb
571 572 fi
572 573
573 574 # Remove temporary directory and files
574 575 rm -fr "${temp_dir}"
575 576 rm -f "${R}"/tmp/kernel.deb
576 577 fi
577 578
578 579 # Check if kernel installation was successful
579 580 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
580 581 if [ -z "$KERNEL" ] ; then
581 582 echo "error: kernel installation failed! (/boot/kernel* not found)"
582 583 cleanup
583 584 exit 1
584 585 fi
585 586 fi
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