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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 if [ "$ENABLE_QEMU" = true ] && [ "$KERNEL_ARCH" = arm64 ]; then
57 57 cp "${KERNEL_DIR}"/arch/arm/configs/vexpress_defconfig "${KERNEL_DIR}"/arch/arm64/configs/
58 58 fi
59 59
60 60 # Configure and build kernel
61 61 if [ "$KERNELSRC_PREBUILT" = false ] ; then
62 62 # Remove device, network and filesystem drivers from kernel configuration
63 63 if [ "$KERNEL_REDUCE" = true ] ; then
64 64 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
65 65 sed -i\
66 66 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
67 67 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
68 68 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
69 69 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
70 70 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
71 71 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
72 72 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
73 73 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
74 74 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
75 75 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
76 76 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
77 77 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
78 78 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
79 79 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
80 80 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
81 81 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
82 82 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
83 83 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
84 84 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
85 85 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
86 86 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
87 87 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
88 88 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
89 89 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
90 90 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
91 91 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
92 92 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
93 93 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
94 94 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
95 95 "${KERNEL_DIR}/.config"
96 96 fi
97 97
98 98 if [ "$KERNELSRC_CONFIG" = true ] ; then
99 99 # Load default raspberry kernel configuration
100 100 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
101 101
102 102 #Switch to KERNELSRC_DIR so we can use set_kernel_config
103 103 cd "${KERNEL_DIR}" || exit
104 104
105 105 if [ "$KERNEL_ARCH" = arm64 ] && [ "$ENABLE_QEMU" = false ]; then
106 106 #Fix SD_DRIVER upstream and downstream mess in 64bit RPIdeb_config
107 107 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - see https://www.raspberrypi.org/forums/viewtopic.php?t=210225
108 108 set_kernel_config CONFIG_MMC_BCM2835 n
109 109 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
110 110 set_kernel_config CONFIG_USB_DWC2 n
111 111 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
112 112
113 113 #VLAN got disabled without reason in arm64bit
114 114 set_kernel_config CONFIG_IPVLAN m
115 115 fi
116 116
117 117 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
118 118 if [ "$KERNEL_ZSWAP" = true ] ; then
119 119 set_kernel_config CONFIG_ZPOOL y
120 120 set_kernel_config CONFIG_ZSWAP y
121 121 set_kernel_config CONFIG_ZBUD y
122 122 set_kernel_config CONFIG_Z3FOLD y
123 123 set_kernel_config CONFIG_ZSMALLOC y
124 124 set_kernel_config CONFIG_PGTABLE_MAPPING y
125 125 set_kernel_config CONFIG_LZO_COMPRESS y
126 126
127 127 fi
128 128
129 129 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
130 130 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ]; } ; then
131 131 set_kernel_config CONFIG_HAVE_KVM y
132 132 set_kernel_config CONFIG_HIGH_RES_TIMERS y
133 133 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
134 134 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
135 135 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
136 136 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
137 137 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
138 138 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
139 139 set_kernel_config CONFIG_HAVE_KVM_MSI y
140 140 set_kernel_config CONFIG_KVM y
141 141 set_kernel_config CONFIG_KVM_ARM_HOST y
142 142 set_kernel_config CONFIG_KVM_ARM_PMU y
143 143 set_kernel_config CONFIG_KVM_COMPAT y
144 144 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
145 145 set_kernel_config CONFIG_KVM_MMIO y
146 146 set_kernel_config CONFIG_KVM_VFIO y
147 147 set_kernel_config CONFIG_KVM_MMU_AUDIT y
148 148 set_kernel_config CONFIG_VHOST m
149 149 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
150 150 set_kernel_config CONFIG_VHOST_NET m
151 151 set_kernel_config CONFIG_VIRTUALIZATION y
152 152 set_kernel_config CONFIG_MMU_NOTIFIER y
153 153
154 154 set_kernel_config CONFIG_SLAB_FREELIST_RANDOM=y
155 155 set_kernel_config CONFIG_SLAB_FREELIST_HARDENED=y
156 156
157 157 # erratum
158 158 set_kernel_config ARM64_ERRATUM_834220 y
159 159 # https://sourceforge.net/p/kvm/mailman/message/18440797/
160 160 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
161 161 fi
162 162
163 163 # enable apparmor,integrity audit,
164 164 if [ "$KERNEL_SECURITY" = true ] ; then
165 165
166 166 # security filesystem, security models and audit
167 167 set_kernel_config CONFIG_SECURITYFS y
168 168 set_kernel_config CONFIG_SECURITY y
169 169 set_kernel_config CONFIG_AUDIT y
170 170
171 171 # harden strcpy and memcpy
172 172 set_kernel_config CONFIG_HARDENED_USERCOPY y
173 173 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
174 174 set_kernel_config CONFIG_FORTIFY_SOURCE y
175 175
176 176 # integrity sub-system
177 177 set_kernel_config CONFIG_INTEGRITY y
178 178 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
179 179 set_kernel_config CONFIG_INTEGRITY_AUDIT y
180 180 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
181 181 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
182 182
183 183 # This option provides support for retaining authentication tokens and access keys in the kernel.
184 184 set_kernel_config CONFIG_KEYS y
185 185 set_kernel_config CONFIG_KEYS_COMPAT y
186 186
187 187 # Apparmor
188 188 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
189 189 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
190 190 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
191 191 set_kernel_config CONFIG_SECURITY_APPARMOR y
192 192 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
193 193 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
194 194
195 195 # restrictions on unprivileged users reading the kernel
196 196 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
197 197
198 198 # network security hooks
199 199 set_kernel_config CONFIG_SECURITY_NETWORK y
200 200 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
201 201 set_kernel_config CONFIG_SECURITY_PATH y
202 202 set_kernel_config CONFIG_SECURITY_YAMA n
203 203
204 204 # New Options
205 205 if [ "$KERNEL_NF" = true ] ; then
206 206 set_kernel_config CONFIG_IP_NF_SECURITY m
207 207 set_kernel_config CONFIG_NETLABEL y
208 208 set_kernel_config CONFIG_IP6_NF_SECURITY m
209 209 fi
210 210 set_kernel_config CONFIG_SECURITY_SELINUX n
211 211 set_kernel_config CONFIG_SECURITY_SMACK n
212 212 set_kernel_config CONFIG_SECURITY_TOMOYO n
213 213 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
214 214 set_kernel_config CONFIG_SECURITY_LOADPIN n
215 215 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
216 216 set_kernel_config CONFIG_IMA n
217 217 set_kernel_config CONFIG_EVM n
218 218 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
219 219 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
220 220 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
221 221 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
222 222 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
223 223 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
224 224 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
225 225 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
226 226 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
227 227 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
228 228
229 229 set_kernel_config CONFIG_ARM64_CRYPTO y
230 230 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
231 231 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
232 232 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
233 233 set_kernel_config CRYPTO_GHASH_ARM64_CE m
234 234 set_kernel_config CRYPTO_SHA2_ARM64_CE m
235 235 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
236 236 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
237 237 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
238 238 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
239 239 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
240 240 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
241 241 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
242 242 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
243 243 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
244 244 set_kernel_config SYSTEM_TRUSTED_KEYS
245 245 fi
246 246
247 247 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
248 248 if [ "$KERNEL_NF" = true ] ; then
249 249 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
250 250 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
251 251 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
252 252 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
253 253 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
254 254 set_kernel_config CONFIG_NFT_FIB_INET m
255 255 set_kernel_config CONFIG_NFT_FIB_IPV4 m
256 256 set_kernel_config CONFIG_NFT_FIB_IPV6 m
257 257 set_kernel_config CONFIG_NFT_FIB_NETDEV m
258 258 set_kernel_config CONFIG_NFT_OBJREF m
259 259 set_kernel_config CONFIG_NFT_RT m
260 260 set_kernel_config CONFIG_NFT_SET_BITMAP m
261 261 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
262 262 set_kernel_config CONFIG_NF_LOG_ARP m
263 263 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
264 264 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
265 265 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
266 266 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
267 267 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
268 268 set_kernel_config CONFIG_IP6_NF_IPTABLES m
269 269 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
270 270 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
271 271 set_kernel_config CONFIG_IP6_NF_NAT m
272 272 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
273 273 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
274 274 set_kernel_config CONFIG_IP_NF_SECURITY m
275 275 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
276 276 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
277 277 set_kernel_config CONFIG_IP_SET_HASH_IP m
278 278 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
279 279 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
280 280 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
281 281 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
282 282 set_kernel_config CONFIG_IP_SET_HASH_MAC m
283 283 set_kernel_config CONFIG_IP_SET_HASH_NET m
284 284 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
285 285 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
286 286 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
287 287 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
288 288 set_kernel_config CONFIG_IP_SET_LIST_SET m
289 289 set_kernel_config CONFIG_NETFILTER_XTABLES m
290 290 set_kernel_config CONFIG_NETFILTER_XTABLES m
291 291 set_kernel_config CONFIG_NFT_BRIDGE_META m
292 292 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
293 293 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
294 294 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
295 295 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
296 296 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
297 297 set_kernel_config CONFIG_NFT_COMPAT m
298 298 set_kernel_config CONFIG_NFT_COUNTER m
299 299 set_kernel_config CONFIG_NFT_CT m
300 300 set_kernel_config CONFIG_NFT_DUP_IPV4 m
301 301 set_kernel_config CONFIG_NFT_DUP_IPV6 m
302 302 set_kernel_config CONFIG_NFT_DUP_NETDEV m
303 303 set_kernel_config CONFIG_NFT_EXTHDR m
304 304 set_kernel_config CONFIG_NFT_FWD_NETDEV m
305 305 set_kernel_config CONFIG_NFT_HASH m
306 306 set_kernel_config CONFIG_NFT_LIMIT m
307 307 set_kernel_config CONFIG_NFT_LOG m
308 308 set_kernel_config CONFIG_NFT_MASQ m
309 309 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
310 310 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
311 311 set_kernel_config CONFIG_NFT_META m
312 312 set_kernel_config CONFIG_NFT_NAT m
313 313 set_kernel_config CONFIG_NFT_NUMGEN m
314 314 set_kernel_config CONFIG_NFT_QUEUE m
315 315 set_kernel_config CONFIG_NFT_QUOTA m
316 316 set_kernel_config CONFIG_NFT_REDIR m
317 317 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
318 318 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
319 319 set_kernel_config CONFIG_NFT_REJECT m
320 320 set_kernel_config CONFIG_NFT_REJECT_INET m
321 321 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
322 322 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
323 323 set_kernel_config CONFIG_NFT_SET_HASH m
324 324 set_kernel_config CONFIG_NFT_SET_RBTREE m
325 325 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
326 326 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
327 327 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
328 328 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
329 329 set_kernel_config CONFIG_NF_DUP_IPV4 m
330 330 set_kernel_config CONFIG_NF_DUP_IPV6 m
331 331 set_kernel_config CONFIG_NF_DUP_NETDEV m
332 332 set_kernel_config CONFIG_NF_LOG_BRIDGE m
333 333 set_kernel_config CONFIG_NF_LOG_IPV4 m
334 334 set_kernel_config CONFIG_NF_LOG_IPV6 m
335 335 set_kernel_config CONFIG_NF_NAT_IPV4 m
336 336 set_kernel_config CONFIG_NF_NAT_IPV6 m
337 337 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
338 338 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
339 339 set_kernel_config CONFIG_NF_NAT_PPTP m
340 340 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
341 341 set_kernel_config CONFIG_NF_NAT_REDIRECT m
342 342 set_kernel_config CONFIG_NF_NAT_SIP m
343 343 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
344 344 set_kernel_config CONFIG_NF_NAT_TFTP m
345 345 set_kernel_config CONFIG_NF_REJECT_IPV4 m
346 346 set_kernel_config CONFIG_NF_REJECT_IPV6 m
347 347 set_kernel_config CONFIG_NF_TABLES m
348 348 set_kernel_config CONFIG_NF_TABLES_ARP m
349 349 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
350 350 set_kernel_config CONFIG_NF_TABLES_INET m
351 351 set_kernel_config CONFIG_NF_TABLES_IPV4 m
352 352 set_kernel_config CONFIG_NF_TABLES_IPV6 m
353 353 set_kernel_config CONFIG_NF_TABLES_NETDEV m
354 set_kernel_config CONFIG_NF_TABLES_SET m
355 set_kernel_config CONFIG_NF_TABLES_INET y
356 set_kernel_config CONFIG_NF_TABLES_NETDEV y
357 set_kernel_config CONFIG_NFT_CONNLIMIT m
358 set_kernel_config CONFIG_NFT_TUNNEL m
359 set_kernel_config CONFIG_NFT_SOCKET m
360 set_kernel_config CONFIG_NFT_TPROXY m
361 set_kernel_config CONFIG_NF_FLOW_TABLE m
362 set_kernel_config CONFIG_NFT_FLOW_OFFLOAD m
363 set_kernel_config CONFIG_NF_FLOW_TABLE_INET m
364 set_kernel_config CONFIG_NF_TABLES_ARP y
365 set_kernel_config CONFIG_NF_FLOW_TABLE_IPV4 y
366 set_kernel_config CONFIG_NF_FLOW_TABLE_IPV6 y
367 set_kernel_config CONFIG_NF_TABLES_BRIDGE y
354 368 fi
355 369
356 370 # 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
357 371 if [ "$KERNEL_BPF" = true ] ; then
358 372 set_kernel_config CONFIG_BPF_SYSCALL y
359 373 set_kernel_config CONFIG_BPF_EVENTS y
360 374 set_kernel_config CONFIG_BPF_STREAM_PARSER y
361 375 set_kernel_config CONFIG_CGROUP_BPF y
362 376 fi
363 377
364 378 # KERNEL_DEFAULT_GOV was set by user
365 379 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
366 380
367 381 case "$KERNEL_DEFAULT_GOV" in
368 382 performance)
369 383 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
370 384 ;;
371 385 userspace)
372 386 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
373 387 ;;
374 388 ondemand)
375 389 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
376 390 ;;
377 391 conservative)
378 392 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
379 393 ;;
380 394 shedutil)
381 395 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
382 396 ;;
383 397 *)
384 398 echo "error: unsupported default cpu governor"
385 399 exit 1
386 400 ;;
387 401 esac
388 402
389 403 # unset previous default governor
390 404 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
391 405 fi
392 406
393 407 #Revert to previous directory
394 408 cd "${WORKDIR}" || exit
395 409
396 410 # Set kernel configuration parameters to enable qemu emulation
397 411 if [ "$ENABLE_QEMU" = true ] ; then
398 412 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
399 413 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
400 414
401 415 if [ "$KERNEL_CRYPTFS" = true ] ; then
402 416 {
403 417 echo "CONFIG_EMBEDDED=y"
404 418 echo "CONFIG_EXPERT=y"
405 419 echo "CONFIG_DAX=y"
406 420 echo "CONFIG_MD=y"
407 421 echo "CONFIG_BLK_DEV_MD=y"
408 422 echo "CONFIG_MD_AUTODETECT=y"
409 423 echo "CONFIG_BLK_DEV_DM=y"
410 424 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
411 425 echo "CONFIG_DM_CRYPT=y"
412 426 echo "CONFIG_CRYPTO_BLKCIPHER=y"
413 427 echo "CONFIG_CRYPTO_CBC=y"
414 428 echo "CONFIG_CRYPTO_XTS=y"
415 429 echo "CONFIG_CRYPTO_SHA512=y"
416 430 echo "CONFIG_CRYPTO_MANAGER=y"
417 431 } >> "${KERNEL_DIR}"/.config
418 432 fi
419 433 fi
420 434
421 435 # Copy custom kernel configuration file
422 436 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
423 437 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
424 438 fi
425 439
426 440 # Set kernel configuration parameters to their default values
427 441 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
428 442 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
429 443 fi
430 444
431 445 # Start menu-driven kernel configuration (interactive)
432 446 if [ "$KERNEL_MENUCONFIG" = true ] ; then
433 447 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
434 448 fi
435 449 # end if "$KERNELSRC_CONFIG" = true
436 450 fi
437 451
438 452 # Use ccache to cross compile the kernel
439 453 if [ "$KERNEL_CCACHE" = true ] ; then
440 454 cc="ccache ${CROSS_COMPILE}gcc"
441 455 else
442 456 cc="${CROSS_COMPILE}gcc"
443 457 fi
444 458
445 459 # Cross compile kernel and dtbs
446 460 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
447 461
448 462 # Cross compile kernel modules
449 463 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
450 464 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
451 465 fi
452 466 # end if "$KERNELSRC_PREBUILT" = false
453 467 fi
454 468
455 469 # Check if kernel compilation was successful
456 470 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
457 471 echo "error: kernel compilation failed! (kernel image not found)"
458 472 cleanup
459 473 exit 1
460 474 fi
461 475
462 476 # Install kernel modules
463 477 if [ "$ENABLE_REDUCE" = true ] ; then
464 478 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
465 479 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
466 480 fi
467 481 else
468 482 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
469 483 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
470 484 fi
471 485
472 486 # Install kernel firmware
473 487 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
474 488 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
475 489 fi
476 490 fi
477 491
478 492 # Install kernel headers
479 493 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
480 494 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
481 495 fi
482 496
483 497 # Prepare boot (firmware) directory
484 498 mkdir "${BOOT_DIR}"
485 499
486 500 # Get kernel release version
487 501 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
488 502
489 503 # Copy kernel configuration file to the boot directory
490 504 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
491 505
492 506 # Prepare device tree directory
493 507 mkdir "${BOOT_DIR}/overlays"
494 508
495 509 # Ensure the proper .dtb is located
496 510 if [ "$KERNEL_ARCH" = "arm" ] ; then
497 511 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
498 512 if [ -f "${dtb}" ] ; then
499 513 install_readonly "${dtb}" "${BOOT_DIR}/"
500 514 fi
501 515 done
502 516 else
503 517 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
504 518 if [ -f "${dtb}" ] ; then
505 519 install_readonly "${dtb}" "${BOOT_DIR}/"
506 520 fi
507 521 done
508 522 fi
509 523
510 524 # Copy compiled dtb device tree files
511 525 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
512 526 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
513 527 if [ -f "${dtb}" ] ; then
514 528 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
515 529 fi
516 530 done
517 531
518 532 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
519 533 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
520 534 fi
521 535 fi
522 536
523 537 if [ "$ENABLE_UBOOT" = false ] ; then
524 538 # Convert and copy kernel image to the boot directory
525 539 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
526 540 else
527 541 # Copy kernel image to the boot directory
528 542 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
529 543 fi
530 544
531 545 # Remove kernel sources
532 546 if [ "$KERNEL_REMOVESRC" = true ] ; then
533 547 rm -fr "${KERNEL_DIR}"
534 548 else
535 549 # Prepare compiled kernel modules
536 550 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
537 551 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
538 552 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
539 553 fi
540 554
541 555 # Create symlinks for kernel modules
542 556 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
543 557 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
544 558 fi
545 559 fi
546 560
547 561 else # BUILD_KERNEL=false
548 562 if [ "$SET_ARCH" = 64 ] ; then
549 563 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
550 564 # Use Sakakis modified kernel if ZSWAP is active
551 565 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
552 566 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
553 567 fi
554 568
555 569 # Create temporary directory for dl
556 570 temp_dir=$(as_nobody mktemp -d)
557 571
558 572 # Fetch kernel dl
559 573 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
560 574 fi
561 575 if [ "$SET_ARCH" = 64 ] && [ "$RPI_MODEL" = 4 ] ; then
562 576 # Create temporary directory for dl
563 577 temp_dir=$(as_nobody mktemp -d)
564 578
565 579 # Fetch kernel dl
566 580 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI4_64_KERNEL_URL"
567 581 fi
568 582
569 583 #extract download
570 584 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
571 585
572 586 #move extracted kernel to /boot/firmware
573 587 mkdir "${R}/boot/firmware"
574 588 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
575 589 cp -r "${temp_dir}"/lib/* "${R}"/lib/
576 590
577 591 # Remove temporary directory for kernel sources
578 592 rm -fr "${temp_dir}"
579 593
580 594 # Set permissions of the kernel sources
581 595 chown -R root:root "${R}/boot/firmware"
582 596 chown -R root:root "${R}/lib/modules"
583 597 fi
584 598
585 599 # Install Kernel from hypriot comptabile with all Raspberry PI (dunno if its compatible with RPI4 - better compile your own kernel)
586 600 if [ "$SET_ARCH" = 32 ] && [ "$RPI_MODEL" != 4 ] ; then
587 601 # Create temporary directory for dl
588 602 temp_dir=$(as_nobody mktemp -d)
589 603
590 604 # Fetch kernel
591 605 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
592 606
593 607 # Copy downloaded kernel package
594 608 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
595 609
596 610 # Set permissions
597 611 chown -R root:root "${R}"/tmp/kernel.deb
598 612
599 613 # Install kernel
600 614 chroot_exec dpkg -i /tmp/kernel.deb
601 615
602 616 # move /boot to /boot/firmware to fit script env.
603 617 #mkdir "${BOOT_DIR}"
604 618 mkdir "${temp_dir}"/firmware
605 619 mv "${R}"/boot/* "${temp_dir}"/firmware/
606 620 mv "${temp_dir}"/firmware "${R}"/boot/
607 621
608 622 #same for kernel headers
609 623 if [ "$KERNEL_HEADERS" = true ] ; then
610 624 # Fetch kernel header
611 625 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
612 626 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
613 627 chown -R root:root "${R}"/tmp/kernel-header.deb
614 628 # Install kernel header
615 629 chroot_exec dpkg -i /tmp/kernel-header.deb
616 630 rm -f "${R}"/tmp/kernel-header.deb
617 631 fi
618 632
619 633 # Remove temporary directory and files
620 634 rm -fr "${temp_dir}"
621 635 rm -f "${R}"/tmp/kernel.deb
622 636 fi
623 637
624 638 # Check if kernel installation was successful
625 639 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
626 640 if [ -z "$KERNEL" ] ; then
627 641 echo "error: kernel installation failed! (/boot/kernel* not found)"
628 642 cleanup
629 643 exit 1
630 644 fi
631 645 fi
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