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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 "${KERNEL_DIR}" || exit
100 100
101 101 if [ "$KERNEL_ARCH" = arm64 ] ; then
102 102 #Fix SD_DRIVER mess in 64bit config
103 103 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - variable naming is bs
104 104 set_kernel_config CONFIG_MMC_BCM2835 n
105 105 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
106 106 set_kernel_config CONFIG_USB_DWC2 n
107 107 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
108 108
109 109 #VLAN got disabled without reason in arm64bit
110 110 set_kernel_config CONFIG_IPVLAN m
111 111
112 112 #V4L2 sub-device userspace API
113 set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
113 #set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
114 #VIDEO_MUX y
115 #VIDEO_XILINX n
116 #VIDEO_XILINX_TPG n
117 #VIDEO_ADV7180 m
114 118
115 119 # GPIO-based bitbanging SPI Master
116 120 set_kernel_config CONFIG_SPI_GPIO m
117 121 #SPI Slave protocol
118 122 set_kernel_config CONFIG_SPI_SLAVE y
123 set_kernel_config CONFIG_SPI_SLAVE_TIME m
124 set_kernel_config CONFIG_SPI_SLAVE_SYSTEM_CONTROL m
119 125
120 126 # Virtual (secure) IP: tunneling
121 127 set_kernel_config CONFIG_NET_IPVTI m
122 128
123 129 #Wlan driver debug info
124 130 set_kernel_config CONFIG_BRCMDBG m
125 131
126 132 #GPIO WATCHDOG
127 133 set_kernel_config CONFIG_GPIO_WATCHDOG m
128 134
129 135 #Camera
130 136 set_kernel_config VIDEO_BCM2835 m
131 137 set_kernel_config VIDEO_BCM2835_UNICAM m
132 138 fi
133 139
134 140 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
135 141 if [ "$KERNEL_ZSWAP" = true ] ; then
136 142 set_kernel_config CONFIG_ZPOOL y
137 143 set_kernel_config CONFIG_ZSWAP y
138 144 set_kernel_config CONFIG_ZBUD y
139 145 set_kernel_config CONFIG_Z3FOLD y
140 146 set_kernel_config CONFIG_ZSMALLOC y
141 147 set_kernel_config CONFIG_PGTABLE_MAPPING y
142 148 set_kernel_config CONFIG_LZO_COMPRESS y
143 149
144 150 fi
145 151
146 152 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
147 153 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
148 154 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
149 155 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
150 156 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
151 157 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
152 158 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
153 159 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
154 160 set_kernel_config CONFIG_HAVE_KVM_MSI y
155 161 set_kernel_config CONFIG_KVM y
156 162 set_kernel_config CONFIG_KVM_ARM_HOST y
157 163 set_kernel_config CONFIG_KVM_ARM_PMU y
158 164 set_kernel_config CONFIG_KVM_COMPAT y
159 165 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
160 166 set_kernel_config CONFIG_KVM_MMIO y
161 167 set_kernel_config CONFIG_KVM_VFIO y
162 168 set_kernel_config CONFIG_VHOST m
163 169 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
164 170 set_kernel_config CONFIG_VHOST_NET m
165 171 set_kernel_config CONFIG_VIRTUALIZATION y
166 172
167 173 set_kernel_config CONFIG_MMU_NOTIFIER y
168 174
169 175 # erratum
170 176 set_kernel_config ARM64_ERRATUM_834220 y
171 177
172 178 # https://sourceforge.net/p/kvm/mailman/message/18440797/
173 179 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
174 180 fi
175 181
176 182 # enable apparmor,integrity audit,
177 183 if [ "$KERNEL_SECURITY" = true ] ; then
178 184
179 185 # security filesystem, security models and audit
180 186 set_kernel_config CONFIG_SECURITYFS y
181 187 set_kernel_config CONFIG_SECURITY y
182 188 set_kernel_config CONFIG_AUDIT y
183 189
184 190 # harden strcpy and memcpy
185 191 set_kernel_config CONFIG_HARDENED_USERCOPY y
186 192 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
187 193 set_kernel_config CONFIG_FORTIFY_SOURCE y
188 194
189 195 # integrity sub-system
190 196 set_kernel_config CONFIG_INTEGRITY y
191 197 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
192 198 set_kernel_config CONFIG_INTEGRITY_AUDIT y
193 199 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
194 200 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
195 201 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS ""
196 202
197 203 # This option provides support for retaining authentication tokens and access keys in the kernel.
198 204 set_kernel_config CONFIG_KEYS y
199 205 set_kernel_config CONFIG_KEYS_COMPAT y
200 206
201 207 # Apparmor
202 208 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
203 209 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
204 210 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
205 211 set_kernel_config CONFIG_SECURITY_APPARMOR y
206 212 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
207 213 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
208 214
209 215 # restrictions on unprivileged users reading the kernel
210 216 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
211 217
212 218 # network security hooks
213 219 set_kernel_config CONFIG_SECURITY_NETWORK y
214 220 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
215 221 set_kernel_config CONFIG_SECURITY_PATH y
216 222 set_kernel_config CONFIG_SECURITY_YAMA n
217 223
218 224 # New Options
219 225 if [ "$KERNEL_NF" = true ] ; then
220 226 set_kernel_config CONFIG_IP_NF_SECURITY m
221 227 set_kernel_config CONFIG_NETLABEL y
222 228 set_kernel_config CONFIG_IP6_NF_SECURITY m
223 229 fi
224 230 set_kernel_config CONFIG_SECURITY_SELINUX n
225 231 set_kernel_config CONFIG_SECURITY_SMACK n
226 232 set_kernel_config CONFIG_SECURITY_TOMOYO n
227 233 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
228 234 set_kernel_config CONFIG_SECURITY_LOADPIN n
229 235 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
230 236 set_kernel_config CONFIG_IMA n
231 237 set_kernel_config CONFIG_EVM n
232 238 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
233 239 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
234 240 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
235 241 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
236 242 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
237 243 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
238 244 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
239 245 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
240 246 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
241 247 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
242 248
243 249 set_kernel_config CONFIG_ARM64_CRYPTO y
244 250 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
245 251 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
246 252 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
247 253 set_kernel_config CRYPTO_GHASH_ARM64_CE m
248 254 set_kernel_config CRYPTO_SHA2_ARM64_CE m
249 255 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
250 256 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
251 257 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
252 258 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
253 259 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
254 260 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
255 261 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
256 262 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
257 263 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
258 264 echo CONFIG_SYSTEM_TRUSTED_KEYS="" >> .config
259 265 fi
260 266
261 267 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
262 268 if [ "$KERNEL_NF" = true ] ; then
263 269 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
264 270 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
265 271 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
266 272 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
267 273 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
268 274 set_kernel_config CONFIG_NFT_FIB_INET m
269 275 set_kernel_config CONFIG_NFT_FIB_IPV4 m
270 276 set_kernel_config CONFIG_NFT_FIB_IPV6 m
271 277 set_kernel_config CONFIG_NFT_FIB_NETDEV m
272 278 set_kernel_config CONFIG_NFT_OBJREF m
273 279 set_kernel_config CONFIG_NFT_RT m
274 280 set_kernel_config CONFIG_NFT_SET_BITMAP m
275 281 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
276 282 set_kernel_config CONFIG_NF_LOG_ARP m
277 283 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
278 284 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
279 285 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
280 286 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
281 287 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
282 288 set_kernel_config CONFIG_IP6_NF_IPTABLES m
283 289 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
284 290 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
285 291 set_kernel_config CONFIG_IP6_NF_NAT m
286 292 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
287 293 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
288 294 set_kernel_config CONFIG_IP_NF_SECURITY m
289 295 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
290 296 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
291 297 set_kernel_config CONFIG_IP_SET_HASH_IP m
292 298 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
293 299 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
294 300 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
295 301 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
296 302 set_kernel_config CONFIG_IP_SET_HASH_MAC m
297 303 set_kernel_config CONFIG_IP_SET_HASH_NET m
298 304 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
299 305 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
300 306 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
301 307 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
302 308 set_kernel_config CONFIG_IP_SET_LIST_SET m
303 309 set_kernel_config CONFIG_NETFILTER_XTABLES m
304 310 set_kernel_config CONFIG_NETFILTER_XTABLES m
305 311 set_kernel_config CONFIG_NFT_BRIDGE_META m
306 312 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
307 313 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
308 314 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
309 315 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
310 316 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
311 317 set_kernel_config CONFIG_NFT_COMPAT m
312 318 set_kernel_config CONFIG_NFT_COUNTER m
313 319 set_kernel_config CONFIG_NFT_CT m
314 320 set_kernel_config CONFIG_NFT_DUP_IPV4 m
315 321 set_kernel_config CONFIG_NFT_DUP_IPV6 m
316 322 set_kernel_config CONFIG_NFT_DUP_NETDEV m
317 323 set_kernel_config CONFIG_NFT_EXTHDR m
318 324 set_kernel_config CONFIG_NFT_FWD_NETDEV m
319 325 set_kernel_config CONFIG_NFT_HASH m
320 326 set_kernel_config CONFIG_NFT_LIMIT m
321 327 set_kernel_config CONFIG_NFT_LOG m
322 328 set_kernel_config CONFIG_NFT_MASQ m
323 329 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
324 330 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
325 331 set_kernel_config CONFIG_NFT_META m
326 332 set_kernel_config CONFIG_NFT_NAT m
327 333 set_kernel_config CONFIG_NFT_NUMGEN m
328 334 set_kernel_config CONFIG_NFT_QUEUE m
329 335 set_kernel_config CONFIG_NFT_QUOTA m
330 336 set_kernel_config CONFIG_NFT_REDIR m
331 337 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
332 338 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
333 339 set_kernel_config CONFIG_NFT_REJECT m
334 340 set_kernel_config CONFIG_NFT_REJECT_INET m
335 341 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
336 342 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
337 343 set_kernel_config CONFIG_NFT_SET_HASH m
338 344 set_kernel_config CONFIG_NFT_SET_RBTREE m
339 345 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
340 346 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
341 347 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
342 348 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
343 349 set_kernel_config CONFIG_NF_DUP_IPV4 m
344 350 set_kernel_config CONFIG_NF_DUP_IPV6 m
345 351 set_kernel_config CONFIG_NF_DUP_NETDEV m
346 352 set_kernel_config CONFIG_NF_LOG_BRIDGE m
347 353 set_kernel_config CONFIG_NF_LOG_IPV4 m
348 354 set_kernel_config CONFIG_NF_LOG_IPV6 m
349 355 set_kernel_config CONFIG_NF_NAT_IPV4 m
350 356 set_kernel_config CONFIG_NF_NAT_IPV6 m
351 357 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
352 358 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
353 359 set_kernel_config CONFIG_NF_NAT_PPTP m
354 360 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
355 361 set_kernel_config CONFIG_NF_NAT_REDIRECT m
356 362 set_kernel_config CONFIG_NF_NAT_SIP m
357 363 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
358 364 set_kernel_config CONFIG_NF_NAT_TFTP m
359 365 set_kernel_config CONFIG_NF_REJECT_IPV4 m
360 366 set_kernel_config CONFIG_NF_REJECT_IPV6 m
361 367 set_kernel_config CONFIG_NF_TABLES m
362 368 set_kernel_config CONFIG_NF_TABLES_ARP m
363 369 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
364 370 set_kernel_config CONFIG_NF_TABLES_INET m
365 371 set_kernel_config CONFIG_NF_TABLES_IPV4 m
366 372 set_kernel_config CONFIG_NF_TABLES_IPV6 m
367 373 set_kernel_config CONFIG_NF_TABLES_NETDEV m
368 374 fi
369 375
370 376 # 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
371 377 if [ "$KERNEL_BPF" = true ] ; then
372 378 set_kernel_config CONFIG_BPF_SYSCALL y
373 379 set_kernel_config CONFIG_BPF_EVENTS y
374 380 set_kernel_config CONFIG_BPF_STREAM_PARSER y
375 381 set_kernel_config CONFIG_CGROUP_BPF y
376 382 fi
377 383
378 384 # KERNEL_DEFAULT_GOV was set by user
379 385 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
380 386
381 387 case "$KERNEL_DEFAULT_GOV" in
382 388 performance)
383 389 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
384 390 ;;
385 391 userspace)
386 392 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
387 393 ;;
388 394 ondemand)
389 395 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
390 396 ;;
391 397 conservative)
392 398 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
393 399 ;;
394 400 shedutil)
395 401 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
396 402 ;;
397 403 *)
398 404 echo "error: unsupported default cpu governor"
399 405 exit 1
400 406 ;;
401 407 esac
402 408
403 409 # unset previous default governor
404 410 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
405 411 fi
406 412
407 413 #Revert to previous directory
408 414 cd "${WORKDIR}" || exit
409 415
410 416 # Set kernel configuration parameters to enable qemu emulation
411 417 if [ "$ENABLE_QEMU" = true ] ; then
412 418 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
413 419 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
414 420
415 421 if [ "$ENABLE_CRYPTFS" = true ] ; then
416 422 {
417 423 echo "CONFIG_EMBEDDED=y"
418 424 echo "CONFIG_EXPERT=y"
419 425 echo "CONFIG_DAX=y"
420 426 echo "CONFIG_MD=y"
421 427 echo "CONFIG_BLK_DEV_MD=y"
422 428 echo "CONFIG_MD_AUTODETECT=y"
423 429 echo "CONFIG_BLK_DEV_DM=y"
424 430 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
425 431 echo "CONFIG_DM_CRYPT=y"
426 432 echo "CONFIG_CRYPTO_BLKCIPHER=y"
427 433 echo "CONFIG_CRYPTO_CBC=y"
428 434 echo "CONFIG_CRYPTO_XTS=y"
429 435 echo "CONFIG_CRYPTO_SHA512=y"
430 436 echo "CONFIG_CRYPTO_MANAGER=y"
431 437 } >> "${KERNEL_DIR}"/.config
432 438 fi
433 439 fi
434 440
435 441 # Copy custom kernel configuration file
436 442 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
437 443 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
438 444 fi
439 445
440 446 # Set kernel configuration parameters to their default values
441 447 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
442 448 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
443 449 fi
444 450
445 451 # Start menu-driven kernel configuration (interactive)
446 452 if [ "$KERNEL_MENUCONFIG" = true ] ; then
447 453 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
448 454 fi
449 455 # end if "$KERNELSRC_CONFIG" = true
450 456 fi
451 457
452 458 # Use ccache to cross compile the kernel
453 459 if [ "$KERNEL_CCACHE" = true ] ; then
454 460 cc="ccache ${CROSS_COMPILE}gcc"
455 461 else
456 462 cc="${CROSS_COMPILE}gcc"
457 463 fi
458 464
459 465 # Cross compile kernel and dtbs
460 466 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
461 467
462 468 # Cross compile kernel modules
463 469 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
464 470 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
465 471 fi
466 472 # end if "$KERNELSRC_PREBUILT" = false
467 473 fi
468 474
469 475 # Check if kernel compilation was successful
470 476 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
471 477 echo "error: kernel compilation failed! (kernel image not found)"
472 478 cleanup
473 479 exit 1
474 480 fi
475 481
476 482 # Install kernel modules
477 483 if [ "$ENABLE_REDUCE" = true ] ; then
478 484 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
479 485 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
480 486 fi
481 487 else
482 488 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
483 489 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
484 490 fi
485 491
486 492 # Install kernel firmware
487 493 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
488 494 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
489 495 fi
490 496 fi
491 497
492 498 # Install kernel headers
493 499 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
494 500 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
495 501 fi
496 502
497 503 # Prepare boot (firmware) directory
498 504 mkdir "${BOOT_DIR}"
499 505
500 506 # Get kernel release version
501 507 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
502 508
503 509 # Copy kernel configuration file to the boot directory
504 510 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
505 511
506 512 # Prepare device tree directory
507 513 mkdir "${BOOT_DIR}/overlays"
508 514
509 515 # Ensure the proper .dtb is located
510 516 if [ "$KERNEL_ARCH" = "arm" ] ; then
511 517 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
512 518 if [ -f "${dtb}" ] ; then
513 519 install_readonly "${dtb}" "${BOOT_DIR}/"
514 520 fi
515 521 done
516 522 else
517 523 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
518 524 if [ -f "${dtb}" ] ; then
519 525 install_readonly "${dtb}" "${BOOT_DIR}/"
520 526 fi
521 527 done
522 528 fi
523 529
524 530 # Copy compiled dtb device tree files
525 531 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
526 532 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
527 533 if [ -f "${dtb}" ] ; then
528 534 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
529 535 fi
530 536 done
531 537
532 538 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
533 539 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
534 540 fi
535 541 fi
536 542
537 543 if [ "$ENABLE_UBOOT" = false ] ; then
538 544 # Convert and copy kernel image to the boot directory
539 545 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
540 546 else
541 547 # Copy kernel image to the boot directory
542 548 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
543 549 fi
544 550
545 551 # Remove kernel sources
546 552 if [ "$KERNEL_REMOVESRC" = true ] ; then
547 553 rm -fr "${KERNEL_DIR}"
548 554 else
549 555 # Prepare compiled kernel modules
550 556 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
551 557 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
552 558 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
553 559 fi
554 560
555 561 # Create symlinks for kernel modules
556 562 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
557 563 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
558 564 fi
559 565 fi
560 566
561 567 else # BUILD_KERNEL=false
562 568 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
563 569
564 570 # Use Sakakis modified kernel if ZSWAP is active
565 571 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
566 572 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
567 573 fi
568 574
569 575 # Create temporary directory for dl
570 576 temp_dir=$(as_nobody mktemp -d)
571 577
572 578 # Fetch kernel dl
573 579 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
574 580
575 581 #extract download
576 582 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
577 583
578 584 #move extracted kernel to /boot/firmware
579 585 mkdir "${R}/boot/firmware"
580 586 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
581 587 cp -r "${temp_dir}"/lib/* "${R}"/lib/
582 588
583 589 # Remove temporary directory for kernel sources
584 590 rm -fr "${temp_dir}"
585 591
586 592 # Set permissions of the kernel sources
587 593 chown -R root:root "${R}/boot/firmware"
588 594 chown -R root:root "${R}/lib/modules"
589 595 fi
590 596
591 597 # Install Kernel from hypriot comptabile with all Raspberry PI
592 598 if [ "$SET_ARCH" = 32 ] ; then
593 599 # Create temporary directory for dl
594 600 temp_dir=$(as_nobody mktemp -d)
595 601
596 602 # Fetch kernel
597 603 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
598 604
599 605 # Copy downloaded U-Boot sources
600 606 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
601 607
602 608 # Set permissions
603 609 chown -R root:root "${R}"/tmp/kernel.deb
604 610
605 611 # Install kernel
606 612 chroot_exec dpkg -i /tmp/kernel.deb
607 613
608 614 # move /boot to /boot/firmware to fit script env.
609 615 #mkdir "${BOOT_DIR}"
610 616 mkdir "${temp_dir}"/firmware
611 617 mv "${R}"/boot/* "${temp_dir}"/firmware/
612 618 mv "${temp_dir}"/firmware "${R}"/boot/
613 619
614 620 #same for kernel headers
615 621 if [ "$KERNEL_HEADERS" = true ] ; then
616 622 # Fetch kernel header
617 623 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
618 624 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
619 625 chown -R root:root "${R}"/tmp/kernel-header.deb
620 626 # Install kernel header
621 627 chroot_exec dpkg -i /tmp/kernel-header.deb
622 628 rm -f "${R}"/tmp/kernel-header.deb
623 629 fi
624 630
625 631 # Remove temporary directory and files
626 632 rm -fr "${temp_dir}"
627 633 rm -f "${R}"/tmp/kernel.deb
628 634 fi
629 635
630 636 # Check if kernel installation was successful
631 637 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
632 638 if [ -z "$KERNEL" ] ; then
633 639 echo "error: kernel installation failed! (/boot/kernel* not found)"
634 640 cleanup
635 641 exit 1
636 642 fi
637 643 fi
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