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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 [ "$ENABLE_NEXMON" = true ] ; then
10 10 echo "WARNING: if ENABLE_NEXMON is used remember to put the CORRECT KERNELSRC IN KERNELSRC_DIR!!!!!1!"
11 11 KERNEL_URL="${KALI_KERNEL_URL}"
12 12 KERNEL_BRANCH=""
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 m
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
182 182 set_kernel_config CONFIG_ARM64_CRYPTO y
183 183 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
184 184 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
185 185 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
186 186 set_kernel_config CRYPTO_GHASH_ARM64_CE m
187 187 set_kernel_config CRYPTO_SHA2_ARM64_CE m
188 188 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
189 189 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
190 190 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
191 191 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
192 192 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
193 193 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
194 194 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
195 195 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
196 196 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
197 197 fi
198 198
199 199 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
200 200 if [ "$KERNEL_NF" = true ] ; then
201 201 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
202 202 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
203 203 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
204 204 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
205 205 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
206 206 set_kernel_config CONFIG_NFT_FIB_INET m
207 207 set_kernel_config CONFIG_NFT_FIB_IPV4 m
208 208 set_kernel_config CONFIG_NFT_FIB_IPV6 m
209 209 set_kernel_config CONFIG_NFT_FIB_NETDEV m
210 210 set_kernel_config CONFIG_NFT_OBJREF m
211 211 set_kernel_config CONFIG_NFT_RT m
212 212 set_kernel_config CONFIG_NFT_SET_BITMAP m
213 213 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
214 214 set_kernel_config CONFIG_NF_LOG_ARP m
215 215 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
216 216 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
217 217 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
218 218 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
219 219 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
220 220 set_kernel_config CONFIG_IP6_NF_IPTABLES m
221 221 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
222 222 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
223 223 set_kernel_config CONFIG_IP6_NF_NAT m
224 224 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
225 225 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
226 226 set_kernel_config CONFIG_IP_NF_SECURITY m
227 227 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
228 228 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
229 229 set_kernel_config CONFIG_IP_SET_HASH_IP m
230 230 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
231 231 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
232 232 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
233 233 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
234 234 set_kernel_config CONFIG_IP_SET_HASH_MAC m
235 235 set_kernel_config CONFIG_IP_SET_HASH_NET m
236 236 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
237 237 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
238 238 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
239 239 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
240 240 set_kernel_config CONFIG_IP_SET_LIST_SET m
241 241 set_kernel_config CONFIG_NETFILTER_XTABLES m
242 242 set_kernel_config CONFIG_NETFILTER_XTABLES m
243 243 set_kernel_config CONFIG_NFT_BRIDGE_META m
244 244 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
245 245 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
246 246 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
247 247 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
248 248 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
249 249 set_kernel_config CONFIG_NFT_COMPAT m
250 250 set_kernel_config CONFIG_NFT_COUNTER m
251 251 set_kernel_config CONFIG_NFT_CT m
252 252 set_kernel_config CONFIG_NFT_DUP_IPV4 m
253 253 set_kernel_config CONFIG_NFT_DUP_IPV6 m
254 254 set_kernel_config CONFIG_NFT_DUP_NETDEV m
255 255 set_kernel_config CONFIG_NFT_EXTHDR m
256 256 set_kernel_config CONFIG_NFT_FWD_NETDEV m
257 257 set_kernel_config CONFIG_NFT_HASH m
258 258 set_kernel_config CONFIG_NFT_LIMIT m
259 259 set_kernel_config CONFIG_NFT_LOG m
260 260 set_kernel_config CONFIG_NFT_MASQ m
261 261 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
262 262 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
263 263 set_kernel_config CONFIG_NFT_META m
264 264 set_kernel_config CONFIG_NFT_NAT m
265 265 set_kernel_config CONFIG_NFT_NUMGEN m
266 266 set_kernel_config CONFIG_NFT_QUEUE m
267 267 set_kernel_config CONFIG_NFT_QUOTA m
268 268 set_kernel_config CONFIG_NFT_REDIR m
269 269 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
270 270 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
271 271 set_kernel_config CONFIG_NFT_REJECT m
272 272 set_kernel_config CONFIG_NFT_REJECT_INET m
273 273 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
274 274 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
275 275 set_kernel_config CONFIG_NFT_SET_HASH m
276 276 set_kernel_config CONFIG_NFT_SET_RBTREE m
277 277 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
278 278 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
279 279 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
280 280 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
281 281 set_kernel_config CONFIG_NF_DUP_IPV4 m
282 282 set_kernel_config CONFIG_NF_DUP_IPV6 m
283 283 set_kernel_config CONFIG_NF_DUP_NETDEV m
284 284 set_kernel_config CONFIG_NF_LOG_BRIDGE m
285 285 set_kernel_config CONFIG_NF_LOG_IPV4 m
286 286 set_kernel_config CONFIG_NF_LOG_IPV6 m
287 287 set_kernel_config CONFIG_NF_NAT_IPV4 m
288 288 set_kernel_config CONFIG_NF_NAT_IPV6 m
289 289 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
290 290 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
291 291 set_kernel_config CONFIG_NF_NAT_PPTP m
292 292 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
293 293 set_kernel_config CONFIG_NF_NAT_REDIRECT m
294 294 set_kernel_config CONFIG_NF_NAT_SIP m
295 295 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
296 296 set_kernel_config CONFIG_NF_NAT_TFTP m
297 297 set_kernel_config CONFIG_NF_REJECT_IPV4 m
298 298 set_kernel_config CONFIG_NF_REJECT_IPV6 m
299 299 set_kernel_config CONFIG_NF_TABLES m
300 300 set_kernel_config CONFIG_NF_TABLES_ARP m
301 301 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
302 302 set_kernel_config CONFIG_NF_TABLES_INET m
303 303 set_kernel_config CONFIG_NF_TABLES_IPV4 m
304 304 set_kernel_config CONFIG_NF_TABLES_IPV6 m
305 305 set_kernel_config CONFIG_NF_TABLES_NETDEV m
306 306 fi
307 307
308 308 # 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
309 309 if [ "$KERNEL_BPF" = true ] ; then
310 310 set_kernel_config CONFIG_BPF_SYSCALL y
311 311 set_kernel_config CONFIG_BPF_EVENTS y
312 312 set_kernel_config CONFIG_BPF_STREAM_PARSER y
313 313 set_kernel_config CONFIG_CGROUP_BPF y
314 314 fi
315 315
316 316 # KERNEL_DEFAULT_GOV was set by user
317 317 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
318 318
319 319 case "$KERNEL_DEFAULT_GOV" in
320 320 performance)
321 321 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
322 322 ;;
323 323 userspace)
324 324 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
325 325 ;;
326 326 ondemand)
327 327 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
328 328 ;;
329 329 conservative)
330 330 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
331 331 ;;
332 332 shedutil)
333 333 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
334 334 ;;
335 335 *)
336 336 echo "error: unsupported default cpu governor"
337 337 exit 1
338 338 ;;
339 339 esac
340 340
341 341 # unset previous default governor
342 342 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
343 343 fi
344 344
345 345
346
347 346 #Revert to previous directory
348 347 cd "${WORKDIR}" || exit
349 348
350 349 # Set kernel configuration parameters to enable qemu emulation
351 350 if [ "$ENABLE_QEMU" = true ] ; then
352 351 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
353 352 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
354 353
355 354 if [ "$ENABLE_CRYPTFS" = true ] ; then
356 355 {
357 356 echo "CONFIG_EMBEDDED=y"
358 357 echo "CONFIG_EXPERT=y"
359 358 echo "CONFIG_DAX=y"
360 359 echo "CONFIG_MD=y"
361 360 echo "CONFIG_BLK_DEV_MD=y"
362 361 echo "CONFIG_MD_AUTODETECT=y"
363 362 echo "CONFIG_BLK_DEV_DM=y"
364 363 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
365 364 echo "CONFIG_DM_CRYPT=y"
366 365 echo "CONFIG_CRYPTO_BLKCIPHER=y"
367 366 echo "CONFIG_CRYPTO_CBC=y"
368 367 echo "CONFIG_CRYPTO_XTS=y"
369 368 echo "CONFIG_CRYPTO_SHA512=y"
370 369 echo "CONFIG_CRYPTO_MANAGER=y"
371 370 } >> "${KERNEL_DIR}"/.config
372 371 fi
373 372 fi
374 373
375 374 # Copy custom kernel configuration file
376 375 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
377 376 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
378 377 fi
379 378
380 379 # Set kernel configuration parameters to their default values
381 380 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
382 381 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
383 382 fi
384 383
385 384 # Start menu-driven kernel configuration (interactive)
386 385 if [ "$KERNEL_MENUCONFIG" = true ] ; then
387 386 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
388 387 fi
389 388 # end if "$KERNELSRC_CONFIG" = true
390 389 fi
391 390
392 391 # Use ccache to cross compile the kernel
393 392 if [ "$KERNEL_CCACHE" = true ] ; then
394 393 cc="ccache ${CROSS_COMPILE}gcc"
395 394 else
396 395 cc="${CROSS_COMPILE}gcc"
397 396 fi
398 397
399 398 # Cross compile kernel and dtbs
400 399 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
401 400
402 401 # Cross compile kernel modules
403 402 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
404 403 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
405 404 fi
406 405 # end if "$KERNELSRC_PREBUILT" = false
407 406 fi
408 407
409 408 # Check if kernel compilation was successful
410 409 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
411 410 echo "error: kernel compilation failed! (kernel image not found)"
412 411 cleanup
413 412 exit 1
414 413 fi
415 414
416 415 # Install kernel modules
417 416 if [ "$ENABLE_REDUCE" = true ] ; then
418 417 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
419 418 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
420 419 fi
421 420 else
422 421 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
423 422 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
424 423 fi
425 424
426 425 # Install kernel firmware
427 426 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
428 427 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
429 428 fi
430 429 fi
431 430
432 431 # Install kernel headers
433 432 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
434 433 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
435 434 fi
436 435 # make tar.gz kernel package - missing os bzw. modules
437 436 #** ** ** WARNING ** ** **
438 437 #Your architecture did not define any architecture-dependent files
439 438 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
440 439 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
441 440
442 441 # Prepare boot (firmware) directory
443 442 mkdir "${BOOT_DIR}"
444 443
445 444 # Get kernel release version
446 445 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
447 446
448 447 # Copy kernel configuration file to the boot directory
449 448 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
450 449
451 450 # Prepare device tree directory
452 451 mkdir "${BOOT_DIR}/overlays"
453 452
454 453 # Ensure the proper .dtb is located
455 454 if [ "$KERNEL_ARCH" = "arm" ] ; then
456 455 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
457 456 if [ -f "${dtb}" ] ; then
458 457 install_readonly "${dtb}" "${BOOT_DIR}/"
459 458 fi
460 459 done
461 460 else
462 461 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
463 462 if [ -f "${dtb}" ] ; then
464 463 install_readonly "${dtb}" "${BOOT_DIR}/"
465 464 fi
466 465 done
467 466 fi
468 467
469 468 # Copy compiled dtb device tree files
470 469 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
471 470 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
472 471 if [ -f "${dtb}" ] ; then
473 472 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
474 473 fi
475 474 done
476 475
477 476 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
478 477 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
479 478 fi
480 479 fi
481 480
482 481 if [ "$ENABLE_UBOOT" = false ] ; then
483 482 # Convert and copy kernel image to the boot directory
484 483 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
485 484 else
486 485 # Copy kernel image to the boot directory
487 486 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
488 487 fi
489 488
490 489 # Remove kernel sources
491 490 if [ "$KERNEL_REMOVESRC" = true ] ; then
492 491 rm -fr "${KERNEL_DIR}"
493 492 else
494 493 # Prepare compiled kernel modules
495 494 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
496 495 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
497 496 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
498 497 fi
499 498
500 499 # Create symlinks for kernel modules
501 500 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
502 501 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
503 502 fi
504 503 fi
505 504
506 505 else # BUILD_KERNEL=false
507 506 # echo Install precompiled kernel...
508 507 # echo error: not implemented
509 508 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
510 509
511 510 # Use Sakakis modified kernel if ZSWAP is active
512 511 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
513 512 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
514 513 fi
515 514
516 515 # Create temporary directory for dl
517 516 temp_dir=$(as_nobody mktemp -d)
518 517
519 518 # Fetch kernel dl
520 519 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
521 520
522 521 #extract download
523 522 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
524 523
525 524 #move extracted kernel to /boot/firmware
526 525 mkdir "${R}/boot/firmware"
527 526 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
528 527 cp -r "${temp_dir}"/lib/* "${R}"/lib/
529 528
530 529 # Remove temporary directory for kernel sources
531 530 rm -fr "${temp_dir}"
532 531
533 532 # Set permissions of the kernel sources
534 533 chown -R root:root "${R}/boot/firmware"
535 534 chown -R root:root "${R}/lib/modules"
536 535 fi
537 536
538 537 # Install Kernel from hypriot comptabile with all Raspberry PI
539 538 if [ "$SET_ARCH" = 32 ] ; then
540 539 # Create temporary directory for dl
541 540 temp_dir=$(as_nobody mktemp -d)
542 541
543 542 # Fetch kernel
544 543 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
545 544
546 545 # Copy downloaded U-Boot sources
547 546 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
548 547
549 548 # Set permissions
550 549 chown -R root:root "${R}"/tmp/kernel.deb
551 550
552 551 # Install kernel
553 552 chroot_exec dpkg -i /tmp/kernel.deb
554 553
555 554 # move /boot to /boot/firmware to fit script env.
556 555 #mkdir "${BOOT_DIR}"
557 556 mkdir "${temp_dir}"/firmware
558 557 mv "${R}"/boot/* "${temp_dir}"/firmware/
559 558 mv "${temp_dir}"/firmware "${R}"/boot/
560 559
561 560 #same for kernel headers
562 561 if [ "$KERNEL_HEADERS" = true ] ; then
563 562 # Fetch kernel header
564 563 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
565 564 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
566 565 chown -R root:root "${R}"/tmp/kernel-header.deb
567 566 # Install kernel header
568 567 chroot_exec dpkg -i /tmp/kernel-header.deb
569 568 rm -f "${R}"/tmp/kernel-header.deb
570 569 fi
571 570
572 571 # Remove temporary directory and files
573 572 rm -fr "${temp_dir}"
574 573 rm -f "${R}"/tmp/kernel.deb
575 574 fi
576 575
577 576 # Check if kernel installation was successful
578 577 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
579 578 if [ -z "$KERNEL" ] ; then
580 579 echo "error: kernel installation failed! (/boot/kernel* not found)"
581 580 cleanup
582 581 exit 1
583 582 fi
584 583 fi
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