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