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