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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 # Clear Branch and KernelSRC_DIR if using nexmon. Everyone will forget to clone kali kernel instead of nomrla kernel
12 12 KERNEL_BRANCH=""
13 13 KERNELSRC_DIR=""
14 14 fi
15 15
16 16 # Fetch and build latest raspberry kernel
17 17 if [ "$BUILD_KERNEL" = true ] ; then
18 18 # Setup source directory
19 19 mkdir -p "${KERNEL_DIR}"
20 20
21 21 # Copy existing kernel sources into chroot directory
22 22 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
23 23 # Copy kernel sources and include hidden files
24 24 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
25 25
26 26 # Clean the kernel sources
27 27 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
28 28 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
29 29 fi
30 30 else # KERNELSRC_DIR=""
31 31 # Create temporary directory for kernel sources
32 32 temp_dir=$(as_nobody mktemp -d)
33 33
34 34 # Fetch current RPi2/3 kernel sources
35 35 if [ -z "${KERNEL_BRANCH}" ] ; then
36 36 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
37 37 else
38 38 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
39 39 fi
40 40
41 41 # Copy downloaded kernel sources
42 42 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
43 43
44 44 # Remove temporary directory for kernel sources
45 45 rm -fr "${temp_dir}"
46 46
47 47 # Set permissions of the kernel sources
48 48 chown -R root:root "${R}/usr/src"
49 49 fi
50 50
51 51 # Calculate optimal number of kernel building threads
52 52 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
53 53 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
54 54 fi
55 55
56 56 # Configure and build kernel
57 57 if [ "$KERNELSRC_PREBUILT" = false ] ; then
58 58 # Remove device, network and filesystem drivers from kernel configuration
59 59 if [ "$KERNEL_REDUCE" = true ] ; then
60 60 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
61 61 sed -i\
62 62 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
63 63 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
64 64 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
65 65 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
66 66 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
67 67 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
68 68 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
69 69 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
70 70 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
71 71 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
72 72 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
73 73 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
74 74 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
75 75 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
76 76 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
77 77 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
78 78 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
79 79 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
80 80 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
81 81 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
82 82 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
83 83 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
84 84 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
85 85 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
86 86 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
87 87 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
88 88 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
89 89 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
90 90 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
91 91 "${KERNEL_DIR}/.config"
92 92 fi
93 93
94 94 if [ "$KERNELSRC_CONFIG" = true ] ; then
95 95 # Load default raspberry kernel configuration
96 96 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
97 97
98 98 #Switch to KERNELSRC_DIR so we can use set_kernel_config
99 99 cd "${KERNEL_DIR}" || exit
100 if [ "$KERNEL_ARCH" = arm64 ]
100
101 if [ "$KERNEL_ARCH" = arm64 ] ; then
101 102 #Fix SD_DRIVER mess in 64bit config
102 103 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - variable naming is bs
103 104 set_kernel_config CONFIG_MMC_BCM2835 n
104 105 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
105 106 set_kernel_config CONFIG_USB_DWC2 n
106 107 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
107 108
108 109 #VLAN got disabled without reason in arm64bit
109 110 set_kernel_config CONFIG_IPVLAN m
110 111
111 112 #V4L2 sub-device userspace API
112 113 set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
113 114
114 115 # GPIO-based bitbanging SPI Master
115 116 set_kernel_config CONFIG_SPI_GPIO m
116 117 #SPI Slave protocol
117 118 set_kernel_config CONFIG_SPI_SLAVE y
118 119
119 120 # Virtual (secure) IP: tunneling
120 121 set_kernel_config CONFIG_NET_IPVTI m
121 122
122 123 #Wlan driver debug info
123 124 set_kernel_config CONFIG_BRCMDBG m
124 125
125 126 #GPIO WATCHDOG
126 127 set_kernel_config CONFIG_GPIO_WATCHDOG m
127 128
128 129 #Camera
129 130 set_kernel_config VIDEO_BCM2835 m
130 131 set_kernel_config VIDEO_BCM2835_UNICAM m
131 132 fi
132 133
133 134 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
134 135 if [ "$KERNEL_ZSWAP" = true ] ; then
135 136 set_kernel_config CONFIG_ZPOOL y
136 137 set_kernel_config CONFIG_ZSWAP y
137 138 set_kernel_config CONFIG_ZBUD y
138 139 set_kernel_config CONFIG_Z3FOLD y
139 140 set_kernel_config CONFIG_ZSMALLOC y
140 141 set_kernel_config CONFIG_PGTABLE_MAPPING y
141 142 set_kernel_config CONFIG_LZO_COMPRESS y
142 143
143 144 fi
144 145
145 146 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
146 147 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
147 148 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
148 149 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
149 150 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
150 151 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
151 152 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
152 153 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
153 154 set_kernel_config CONFIG_HAVE_KVM_MSI y
154 155 set_kernel_config CONFIG_KVM y
155 156 set_kernel_config CONFIG_KVM_ARM_HOST y
156 157 set_kernel_config CONFIG_KVM_ARM_PMU y
157 158 set_kernel_config CONFIG_KVM_COMPAT y
158 159 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
159 160 set_kernel_config CONFIG_KVM_MMIO y
160 161 set_kernel_config CONFIG_KVM_VFIO y
161 162 set_kernel_config CONFIG_VHOST m
162 163 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
163 164 set_kernel_config CONFIG_VHOST_NET m
164 165 set_kernel_config CONFIG_VIRTUALIZATION y
165 166
166 167 set_kernel_config CONFIG_MMU_NOTIFIER y
167 168
168 169 # erratum
169 170 set_kernel_config ARM64_ERRATUM_834220 y
170 171
171 172 # https://sourceforge.net/p/kvm/mailman/message/18440797/
172 173 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
173 174 fi
174 175
175 176 # enable apparmor,integrity audit,
176 177 if [ "$KERNEL_SECURITY" = true ] ; then
177 178
178 179 # security filesystem, security models and audit
179 180 set_kernel_config CONFIG_SECURITYFS y
180 181 set_kernel_config CONFIG_SECURITY y
181 182 set_kernel_config CONFIG_AUDIT y
182 183
183 184 # harden strcpy and memcpy
184 185 set_kernel_config CONFIG_HARDENED_USERCOPY y
185 186 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
186 187 set_kernel_config CONFIG_FORTIFY_SOURCE y
187 188
188 189 # integrity sub-system
189 190 set_kernel_config CONFIG_INTEGRITY y
190 191 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
191 192 set_kernel_config CONFIG_INTEGRITY_AUDIT y
192 193 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
193 194 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
194 195 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS ""
195 196
196 197 # This option provides support for retaining authentication tokens and access keys in the kernel.
197 198 set_kernel_config CONFIG_KEYS y
198 199 set_kernel_config CONFIG_KEYS_COMPAT y
199 200
200 201 # Apparmor
201 202 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
202 203 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
203 204 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
204 205 set_kernel_config CONFIG_SECURITY_APPARMOR y
205 206 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
206 207 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
207 208
208 209 # restrictions on unprivileged users reading the kernel
209 210 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
210 211
211 212 # network security hooks
212 213 set_kernel_config CONFIG_SECURITY_NETWORK y
213 214 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
214 215 set_kernel_config CONFIG_SECURITY_PATH y
215 216 set_kernel_config CONFIG_SECURITY_YAMA n
216 217
217 218 # New Options
218 219 if [ "$KERNEL_NF" = true ] ; then
219 220 set_kernel_config CONFIG_IP_NF_SECURITY m
220 221 set_kernel_config CONFIG_NETLABEL y
221 222 set_kernel_config CONFIG_IP6_NF_SECURITY m
222 223 fi
223 224 set_kernel_config CONFIG_SECURITY_SELINUX n
224 225 set_kernel_config CONFIG_SECURITY_SMACK n
225 226 set_kernel_config CONFIG_SECURITY_TOMOYO n
226 227 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
227 228 set_kernel_config CONFIG_SECURITY_LOADPIN n
228 229 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
229 230 set_kernel_config CONFIG_IMA n
230 231 set_kernel_config CONFIG_EVM n
231 232 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
232 233 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
233 234 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
234 235 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
235 236 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
236 237 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
237 238 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
238 239 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
239 240 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
240 241 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
241 242
242 243 set_kernel_config CONFIG_ARM64_CRYPTO y
243 244 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
244 245 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
245 246 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
246 247 set_kernel_config CRYPTO_GHASH_ARM64_CE m
247 248 set_kernel_config CRYPTO_SHA2_ARM64_CE m
248 249 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
249 250 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
250 251 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
251 252 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
252 253 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
253 254 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
254 255 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
255 256 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
256 257 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
257 258 echo CONFIG_SYSTEM_TRUSTED_KEYS="" >> .config
258 259 fi
259 260
260 261 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
261 262 if [ "$KERNEL_NF" = true ] ; then
262 263 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
263 264 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
264 265 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
265 266 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
266 267 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
267 268 set_kernel_config CONFIG_NFT_FIB_INET m
268 269 set_kernel_config CONFIG_NFT_FIB_IPV4 m
269 270 set_kernel_config CONFIG_NFT_FIB_IPV6 m
270 271 set_kernel_config CONFIG_NFT_FIB_NETDEV m
271 272 set_kernel_config CONFIG_NFT_OBJREF m
272 273 set_kernel_config CONFIG_NFT_RT m
273 274 set_kernel_config CONFIG_NFT_SET_BITMAP m
274 275 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
275 276 set_kernel_config CONFIG_NF_LOG_ARP m
276 277 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
277 278 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
278 279 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
279 280 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
280 281 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
281 282 set_kernel_config CONFIG_IP6_NF_IPTABLES m
282 283 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
283 284 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
284 285 set_kernel_config CONFIG_IP6_NF_NAT m
285 286 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
286 287 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
287 288 set_kernel_config CONFIG_IP_NF_SECURITY m
288 289 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
289 290 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
290 291 set_kernel_config CONFIG_IP_SET_HASH_IP m
291 292 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
292 293 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
293 294 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
294 295 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
295 296 set_kernel_config CONFIG_IP_SET_HASH_MAC m
296 297 set_kernel_config CONFIG_IP_SET_HASH_NET m
297 298 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
298 299 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
299 300 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
300 301 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
301 302 set_kernel_config CONFIG_IP_SET_LIST_SET m
302 303 set_kernel_config CONFIG_NETFILTER_XTABLES m
303 304 set_kernel_config CONFIG_NETFILTER_XTABLES m
304 305 set_kernel_config CONFIG_NFT_BRIDGE_META m
305 306 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
306 307 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
307 308 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
308 309 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
309 310 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
310 311 set_kernel_config CONFIG_NFT_COMPAT m
311 312 set_kernel_config CONFIG_NFT_COUNTER m
312 313 set_kernel_config CONFIG_NFT_CT m
313 314 set_kernel_config CONFIG_NFT_DUP_IPV4 m
314 315 set_kernel_config CONFIG_NFT_DUP_IPV6 m
315 316 set_kernel_config CONFIG_NFT_DUP_NETDEV m
316 317 set_kernel_config CONFIG_NFT_EXTHDR m
317 318 set_kernel_config CONFIG_NFT_FWD_NETDEV m
318 319 set_kernel_config CONFIG_NFT_HASH m
319 320 set_kernel_config CONFIG_NFT_LIMIT m
320 321 set_kernel_config CONFIG_NFT_LOG m
321 322 set_kernel_config CONFIG_NFT_MASQ m
322 323 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
323 324 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
324 325 set_kernel_config CONFIG_NFT_META m
325 326 set_kernel_config CONFIG_NFT_NAT m
326 327 set_kernel_config CONFIG_NFT_NUMGEN m
327 328 set_kernel_config CONFIG_NFT_QUEUE m
328 329 set_kernel_config CONFIG_NFT_QUOTA m
329 330 set_kernel_config CONFIG_NFT_REDIR m
330 331 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
331 332 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
332 333 set_kernel_config CONFIG_NFT_REJECT m
333 334 set_kernel_config CONFIG_NFT_REJECT_INET m
334 335 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
335 336 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
336 337 set_kernel_config CONFIG_NFT_SET_HASH m
337 338 set_kernel_config CONFIG_NFT_SET_RBTREE m
338 339 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
339 340 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
340 341 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
341 342 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
342 343 set_kernel_config CONFIG_NF_DUP_IPV4 m
343 344 set_kernel_config CONFIG_NF_DUP_IPV6 m
344 345 set_kernel_config CONFIG_NF_DUP_NETDEV m
345 346 set_kernel_config CONFIG_NF_LOG_BRIDGE m
346 347 set_kernel_config CONFIG_NF_LOG_IPV4 m
347 348 set_kernel_config CONFIG_NF_LOG_IPV6 m
348 349 set_kernel_config CONFIG_NF_NAT_IPV4 m
349 350 set_kernel_config CONFIG_NF_NAT_IPV6 m
350 351 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
351 352 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
352 353 set_kernel_config CONFIG_NF_NAT_PPTP m
353 354 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
354 355 set_kernel_config CONFIG_NF_NAT_REDIRECT m
355 356 set_kernel_config CONFIG_NF_NAT_SIP m
356 357 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
357 358 set_kernel_config CONFIG_NF_NAT_TFTP m
358 359 set_kernel_config CONFIG_NF_REJECT_IPV4 m
359 360 set_kernel_config CONFIG_NF_REJECT_IPV6 m
360 361 set_kernel_config CONFIG_NF_TABLES m
361 362 set_kernel_config CONFIG_NF_TABLES_ARP m
362 363 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
363 364 set_kernel_config CONFIG_NF_TABLES_INET m
364 365 set_kernel_config CONFIG_NF_TABLES_IPV4 m
365 366 set_kernel_config CONFIG_NF_TABLES_IPV6 m
366 367 set_kernel_config CONFIG_NF_TABLES_NETDEV m
367 368 fi
368 369
369 370 # 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
370 371 if [ "$KERNEL_BPF" = true ] ; then
371 372 set_kernel_config CONFIG_BPF_SYSCALL y
372 373 set_kernel_config CONFIG_BPF_EVENTS y
373 374 set_kernel_config CONFIG_BPF_STREAM_PARSER y
374 375 set_kernel_config CONFIG_CGROUP_BPF y
375 376 fi
376 377
377 378 # KERNEL_DEFAULT_GOV was set by user
378 379 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
379 380
380 381 case "$KERNEL_DEFAULT_GOV" in
381 382 performance)
382 383 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
383 384 ;;
384 385 userspace)
385 386 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
386 387 ;;
387 388 ondemand)
388 389 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
389 390 ;;
390 391 conservative)
391 392 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
392 393 ;;
393 394 shedutil)
394 395 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
395 396 ;;
396 397 *)
397 398 echo "error: unsupported default cpu governor"
398 399 exit 1
399 400 ;;
400 401 esac
401 402
402 403 # unset previous default governor
403 404 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
404 405 fi
405 406
406 407 #Revert to previous directory
407 408 cd "${WORKDIR}" || exit
408 409
409 410 # Set kernel configuration parameters to enable qemu emulation
410 411 if [ "$ENABLE_QEMU" = true ] ; then
411 412 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
412 413 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
413 414
414 415 if [ "$ENABLE_CRYPTFS" = true ] ; then
415 416 {
416 417 echo "CONFIG_EMBEDDED=y"
417 418 echo "CONFIG_EXPERT=y"
418 419 echo "CONFIG_DAX=y"
419 420 echo "CONFIG_MD=y"
420 421 echo "CONFIG_BLK_DEV_MD=y"
421 422 echo "CONFIG_MD_AUTODETECT=y"
422 423 echo "CONFIG_BLK_DEV_DM=y"
423 424 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
424 425 echo "CONFIG_DM_CRYPT=y"
425 426 echo "CONFIG_CRYPTO_BLKCIPHER=y"
426 427 echo "CONFIG_CRYPTO_CBC=y"
427 428 echo "CONFIG_CRYPTO_XTS=y"
428 429 echo "CONFIG_CRYPTO_SHA512=y"
429 430 echo "CONFIG_CRYPTO_MANAGER=y"
430 431 } >> "${KERNEL_DIR}"/.config
431 432 fi
432 433 fi
433 434
434 435 # Copy custom kernel configuration file
435 436 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
436 437 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
437 438 fi
438 439
439 440 # Set kernel configuration parameters to their default values
440 441 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
441 442 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
442 443 fi
443 444
444 445 # Start menu-driven kernel configuration (interactive)
445 446 if [ "$KERNEL_MENUCONFIG" = true ] ; then
446 447 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
447 448 fi
448 449 # end if "$KERNELSRC_CONFIG" = true
449 450 fi
450 451
451 452 # Use ccache to cross compile the kernel
452 453 if [ "$KERNEL_CCACHE" = true ] ; then
453 454 cc="ccache ${CROSS_COMPILE}gcc"
454 455 else
455 456 cc="${CROSS_COMPILE}gcc"
456 457 fi
457 458
458 459 # Cross compile kernel and dtbs
459 460 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
460 461
461 462 # Cross compile kernel modules
462 463 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
463 464 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
464 465 fi
465 466 # end if "$KERNELSRC_PREBUILT" = false
466 467 fi
467 468
468 469 # Check if kernel compilation was successful
469 470 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
470 471 echo "error: kernel compilation failed! (kernel image not found)"
471 472 cleanup
472 473 exit 1
473 474 fi
474 475
475 476 # Install kernel modules
476 477 if [ "$ENABLE_REDUCE" = true ] ; then
477 478 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
478 479 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
479 480 fi
480 481 else
481 482 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
482 483 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
483 484 fi
484 485
485 486 # Install kernel firmware
486 487 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
487 488 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
488 489 fi
489 490 fi
490 491
491 492 # Install kernel headers
492 493 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
493 494 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
494 495 fi
495 496
496 497 # Prepare boot (firmware) directory
497 498 mkdir "${BOOT_DIR}"
498 499
499 500 # Get kernel release version
500 501 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
501 502
502 503 # Copy kernel configuration file to the boot directory
503 504 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
504 505
505 506 # Prepare device tree directory
506 507 mkdir "${BOOT_DIR}/overlays"
507 508
508 509 # Ensure the proper .dtb is located
509 510 if [ "$KERNEL_ARCH" = "arm" ] ; then
510 511 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
511 512 if [ -f "${dtb}" ] ; then
512 513 install_readonly "${dtb}" "${BOOT_DIR}/"
513 514 fi
514 515 done
515 516 else
516 517 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
517 518 if [ -f "${dtb}" ] ; then
518 519 install_readonly "${dtb}" "${BOOT_DIR}/"
519 520 fi
520 521 done
521 522 fi
522 523
523 524 # Copy compiled dtb device tree files
524 525 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
525 526 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
526 527 if [ -f "${dtb}" ] ; then
527 528 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
528 529 fi
529 530 done
530 531
531 532 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
532 533 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
533 534 fi
534 535 fi
535 536
536 537 if [ "$ENABLE_UBOOT" = false ] ; then
537 538 # Convert and copy kernel image to the boot directory
538 539 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
539 540 else
540 541 # Copy kernel image to the boot directory
541 542 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
542 543 fi
543 544
544 545 # Remove kernel sources
545 546 if [ "$KERNEL_REMOVESRC" = true ] ; then
546 547 rm -fr "${KERNEL_DIR}"
547 548 else
548 549 # Prepare compiled kernel modules
549 550 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
550 551 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
551 552 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
552 553 fi
553 554
554 555 # Create symlinks for kernel modules
555 556 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
556 557 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
557 558 fi
558 559 fi
559 560
560 561 else # BUILD_KERNEL=false
561 562 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
562 563
563 564 # Use Sakakis modified kernel if ZSWAP is active
564 565 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
565 566 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
566 567 fi
567 568
568 569 # Create temporary directory for dl
569 570 temp_dir=$(as_nobody mktemp -d)
570 571
571 572 # Fetch kernel dl
572 573 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
573 574
574 575 #extract download
575 576 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
576 577
577 578 #move extracted kernel to /boot/firmware
578 579 mkdir "${R}/boot/firmware"
579 580 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
580 581 cp -r "${temp_dir}"/lib/* "${R}"/lib/
581 582
582 583 # Remove temporary directory for kernel sources
583 584 rm -fr "${temp_dir}"
584 585
585 586 # Set permissions of the kernel sources
586 587 chown -R root:root "${R}/boot/firmware"
587 588 chown -R root:root "${R}/lib/modules"
588 589 fi
589 590
590 591 # Install Kernel from hypriot comptabile with all Raspberry PI
591 592 if [ "$SET_ARCH" = 32 ] ; then
592 593 # Create temporary directory for dl
593 594 temp_dir=$(as_nobody mktemp -d)
594 595
595 596 # Fetch kernel
596 597 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
597 598
598 599 # Copy downloaded U-Boot sources
599 600 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
600 601
601 602 # Set permissions
602 603 chown -R root:root "${R}"/tmp/kernel.deb
603 604
604 605 # Install kernel
605 606 chroot_exec dpkg -i /tmp/kernel.deb
606 607
607 608 # move /boot to /boot/firmware to fit script env.
608 609 #mkdir "${BOOT_DIR}"
609 610 mkdir "${temp_dir}"/firmware
610 611 mv "${R}"/boot/* "${temp_dir}"/firmware/
611 612 mv "${temp_dir}"/firmware "${R}"/boot/
612 613
613 614 #same for kernel headers
614 615 if [ "$KERNEL_HEADERS" = true ] ; then
615 616 # Fetch kernel header
616 617 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
617 618 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
618 619 chown -R root:root "${R}"/tmp/kernel-header.deb
619 620 # Install kernel header
620 621 chroot_exec dpkg -i /tmp/kernel-header.deb
621 622 rm -f "${R}"/tmp/kernel-header.deb
622 623 fi
623 624
624 625 # Remove temporary directory and files
625 626 rm -fr "${temp_dir}"
626 627 rm -f "${R}"/tmp/kernel.deb
627 628 fi
628 629
629 630 # Check if kernel installation was successful
630 631 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
631 632 if [ -z "$KERNEL" ] ; then
632 633 echo "error: kernel installation failed! (/boot/kernel* not found)"
633 634 cleanup
634 635 exit 1
635 636 fi
636 637 fi
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