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Update 13-kernel.sh
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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
56 if [ "$ENABLE_QEMU" = true ] && [ "$KERNEL_ARCH" = arm64 ]; then
57 cp "${KERNEL_DIR}"/arch/arm/configs/vexpress_defconfig "${KERNEL_DIR}"/arch/arm64/configs/
58 fi
55 59
56 60 # Configure and build kernel
57 61 if [ "$KERNELSRC_PREBUILT" = false ] ; then
58 62 # Remove device, network and filesystem drivers from kernel configuration
59 63 if [ "$KERNEL_REDUCE" = true ] ; then
60 64 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
61 65 sed -i\
62 66 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
63 67 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
64 68 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
65 69 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
66 70 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
67 71 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
68 72 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
69 73 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
70 74 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
71 75 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
72 76 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
73 77 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
74 78 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
75 79 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
76 80 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
77 81 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
78 82 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
79 83 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
80 84 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
81 85 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
82 86 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
83 87 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
84 88 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
85 89 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
86 90 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
87 91 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
88 92 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
89 93 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
90 94 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
91 95 "${KERNEL_DIR}/.config"
92 96 fi
93 97
94 98 if [ "$KERNELSRC_CONFIG" = true ] ; then
95 99 # Load default raspberry kernel configuration
96 100 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
97 101
98 102 #Switch to KERNELSRC_DIR so we can use set_kernel_config
99 103 cd "${KERNEL_DIR}" || exit
100 104
101 if [ "$KERNEL_ARCH" = arm64 ] ; then
105 if [ "$KERNEL_ARCH" = arm64 ] && [ "$ENABLE_QEMU" = false ]; then
102 106 #Fix SD_DRIVER upstream and downstream mess in 64bit RPIdeb_config
103 107 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - see https://www.raspberrypi.org/forums/viewtopic.php?t=210225
104 108 set_kernel_config CONFIG_MMC_BCM2835 n
105 109 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
106 110 set_kernel_config CONFIG_USB_DWC2 n
107 111 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
108 112
109 113 #VLAN got disabled without reason in arm64bit
110 114 set_kernel_config CONFIG_IPVLAN m
111 115 fi
112 116
113 117 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
114 118 if [ "$KERNEL_ZSWAP" = true ] ; then
115 119 set_kernel_config CONFIG_ZPOOL y
116 120 set_kernel_config CONFIG_ZSWAP y
117 121 set_kernel_config CONFIG_ZBUD y
118 122 set_kernel_config CONFIG_Z3FOLD y
119 123 set_kernel_config CONFIG_ZSMALLOC y
120 124 set_kernel_config CONFIG_PGTABLE_MAPPING y
121 set_kernel_config CONFIG_LZO_COMPRESS y
125 set_kernel_config CONFIG_LZO_COMPRESS y
122 126
123 127 fi
124 128
125 129 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
126 130 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ]; } ; then
127 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
131 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
128 132 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
129 133 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
130 134 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
131 135 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
132 136 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
133 137 set_kernel_config CONFIG_HAVE_KVM_MSI y
134 138 set_kernel_config CONFIG_KVM y
135 139 set_kernel_config CONFIG_KVM_ARM_HOST y
136 140 set_kernel_config CONFIG_KVM_ARM_PMU y
137 141 set_kernel_config CONFIG_KVM_COMPAT y
138 142 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
139 143 set_kernel_config CONFIG_KVM_MMIO y
140 144 set_kernel_config CONFIG_KVM_VFIO y
141 145 set_kernel_config CONFIG_VHOST m
142 146 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
143 147 set_kernel_config CONFIG_VHOST_NET m
144 148 set_kernel_config CONFIG_VIRTUALIZATION y
145 149
146 150 set_kernel_config CONFIG_MMU_NOTIFIER y
147 151
148 152 # erratum
149 153 set_kernel_config ARM64_ERRATUM_834220 y
150 154
151 155 # https://sourceforge.net/p/kvm/mailman/message/18440797/
152 156 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
153 157 fi
154 158
155 159 # enable apparmor,integrity audit,
156 160 if [ "$KERNEL_SECURITY" = true ] ; then
157 161
158 162 # security filesystem, security models and audit
159 163 set_kernel_config CONFIG_SECURITYFS y
160 164 set_kernel_config CONFIG_SECURITY y
161 165 set_kernel_config CONFIG_AUDIT y
162 166
163 167 # harden strcpy and memcpy
164 168 set_kernel_config CONFIG_HARDENED_USERCOPY y
165 169 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
166 170 set_kernel_config CONFIG_FORTIFY_SOURCE y
167 171
168 172 # integrity sub-system
169 173 set_kernel_config CONFIG_INTEGRITY y
170 174 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
171 175 set_kernel_config CONFIG_INTEGRITY_AUDIT y
172 176 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
173 177 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
174 178
175 179 # This option provides support for retaining authentication tokens and access keys in the kernel.
176 180 set_kernel_config CONFIG_KEYS y
177 181 set_kernel_config CONFIG_KEYS_COMPAT y
178 182
179 183 # Apparmor
180 184 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
181 185 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
182 186 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
183 187 set_kernel_config CONFIG_SECURITY_APPARMOR y
184 188 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
185 189 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
186 190
187 191 # restrictions on unprivileged users reading the kernel
188 192 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
189 193
190 194 # network security hooks
191 195 set_kernel_config CONFIG_SECURITY_NETWORK y
192 196 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
193 197 set_kernel_config CONFIG_SECURITY_PATH y
194 198 set_kernel_config CONFIG_SECURITY_YAMA n
195 199
196 200 # New Options
197 201 if [ "$KERNEL_NF" = true ] ; then
198 202 set_kernel_config CONFIG_IP_NF_SECURITY m
199 203 set_kernel_config CONFIG_NETLABEL y
200 204 set_kernel_config CONFIG_IP6_NF_SECURITY m
201 205 fi
202 206 set_kernel_config CONFIG_SECURITY_SELINUX n
203 207 set_kernel_config CONFIG_SECURITY_SMACK n
204 208 set_kernel_config CONFIG_SECURITY_TOMOYO n
205 209 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
206 210 set_kernel_config CONFIG_SECURITY_LOADPIN n
207 211 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
208 212 set_kernel_config CONFIG_IMA n
209 213 set_kernel_config CONFIG_EVM n
210 214 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
211 215 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
212 216 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
213 217 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
214 218 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
215 219 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
216 220 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
217 221 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
218 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
219 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
222 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
223 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
220 224
221 225 set_kernel_config CONFIG_ARM64_CRYPTO y
222 226 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
223 227 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
224 228 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
225 229 set_kernel_config CRYPTO_GHASH_ARM64_CE m
226 230 set_kernel_config CRYPTO_SHA2_ARM64_CE m
227 231 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
228 232 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
229 233 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
230 234 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
231 235 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
232 236 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
233 237 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
234 238 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
235 239 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
236 set_kernel_config SYSTEM_TRUSTED_KEYS
240 set_kernel_config SYSTEM_TRUSTED_KEYS
237 241 fi
238 242
239 243 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
240 244 if [ "$KERNEL_NF" = true ] ; then
241 245 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
242 246 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
243 247 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
244 248 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
245 249 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
246 250 set_kernel_config CONFIG_NFT_FIB_INET m
247 251 set_kernel_config CONFIG_NFT_FIB_IPV4 m
248 252 set_kernel_config CONFIG_NFT_FIB_IPV6 m
249 253 set_kernel_config CONFIG_NFT_FIB_NETDEV m
250 254 set_kernel_config CONFIG_NFT_OBJREF m
251 255 set_kernel_config CONFIG_NFT_RT m
252 256 set_kernel_config CONFIG_NFT_SET_BITMAP m
253 257 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
254 258 set_kernel_config CONFIG_NF_LOG_ARP m
255 259 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
256 260 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
257 261 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
258 262 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
259 263 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
260 264 set_kernel_config CONFIG_IP6_NF_IPTABLES m
261 265 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
262 266 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
263 267 set_kernel_config CONFIG_IP6_NF_NAT m
264 268 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
265 269 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
266 270 set_kernel_config CONFIG_IP_NF_SECURITY m
267 271 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
268 272 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
269 273 set_kernel_config CONFIG_IP_SET_HASH_IP m
270 274 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
271 275 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
272 276 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
273 277 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
274 278 set_kernel_config CONFIG_IP_SET_HASH_MAC m
275 279 set_kernel_config CONFIG_IP_SET_HASH_NET m
276 280 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
277 281 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
278 282 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
279 283 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
280 284 set_kernel_config CONFIG_IP_SET_LIST_SET m
281 285 set_kernel_config CONFIG_NETFILTER_XTABLES m
282 286 set_kernel_config CONFIG_NETFILTER_XTABLES m
283 287 set_kernel_config CONFIG_NFT_BRIDGE_META m
284 288 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
285 289 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
286 290 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
287 291 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
288 292 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
289 293 set_kernel_config CONFIG_NFT_COMPAT m
290 294 set_kernel_config CONFIG_NFT_COUNTER m
291 295 set_kernel_config CONFIG_NFT_CT m
292 296 set_kernel_config CONFIG_NFT_DUP_IPV4 m
293 297 set_kernel_config CONFIG_NFT_DUP_IPV6 m
294 298 set_kernel_config CONFIG_NFT_DUP_NETDEV m
295 299 set_kernel_config CONFIG_NFT_EXTHDR m
296 300 set_kernel_config CONFIG_NFT_FWD_NETDEV m
297 301 set_kernel_config CONFIG_NFT_HASH m
298 302 set_kernel_config CONFIG_NFT_LIMIT m
299 303 set_kernel_config CONFIG_NFT_LOG m
300 304 set_kernel_config CONFIG_NFT_MASQ m
301 305 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
302 306 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
303 307 set_kernel_config CONFIG_NFT_META m
304 308 set_kernel_config CONFIG_NFT_NAT m
305 309 set_kernel_config CONFIG_NFT_NUMGEN m
306 310 set_kernel_config CONFIG_NFT_QUEUE m
307 311 set_kernel_config CONFIG_NFT_QUOTA m
308 312 set_kernel_config CONFIG_NFT_REDIR m
309 313 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
310 314 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
311 315 set_kernel_config CONFIG_NFT_REJECT m
312 316 set_kernel_config CONFIG_NFT_REJECT_INET m
313 317 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
314 318 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
315 319 set_kernel_config CONFIG_NFT_SET_HASH m
316 320 set_kernel_config CONFIG_NFT_SET_RBTREE m
317 321 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
318 322 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
319 323 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
320 324 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
321 325 set_kernel_config CONFIG_NF_DUP_IPV4 m
322 326 set_kernel_config CONFIG_NF_DUP_IPV6 m
323 327 set_kernel_config CONFIG_NF_DUP_NETDEV m
324 328 set_kernel_config CONFIG_NF_LOG_BRIDGE m
325 329 set_kernel_config CONFIG_NF_LOG_IPV4 m
326 330 set_kernel_config CONFIG_NF_LOG_IPV6 m
327 331 set_kernel_config CONFIG_NF_NAT_IPV4 m
328 332 set_kernel_config CONFIG_NF_NAT_IPV6 m
329 333 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
330 334 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
331 335 set_kernel_config CONFIG_NF_NAT_PPTP m
332 336 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
333 337 set_kernel_config CONFIG_NF_NAT_REDIRECT m
334 338 set_kernel_config CONFIG_NF_NAT_SIP m
335 339 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
336 340 set_kernel_config CONFIG_NF_NAT_TFTP m
337 341 set_kernel_config CONFIG_NF_REJECT_IPV4 m
338 342 set_kernel_config CONFIG_NF_REJECT_IPV6 m
339 343 set_kernel_config CONFIG_NF_TABLES m
340 344 set_kernel_config CONFIG_NF_TABLES_ARP m
341 345 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
342 346 set_kernel_config CONFIG_NF_TABLES_INET m
343 347 set_kernel_config CONFIG_NF_TABLES_IPV4 m
344 348 set_kernel_config CONFIG_NF_TABLES_IPV6 m
345 349 set_kernel_config CONFIG_NF_TABLES_NETDEV m
346 350 fi
347 351
348 352 # 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
349 353 if [ "$KERNEL_BPF" = true ] ; then
350 set_kernel_config CONFIG_BPF_SYSCALL y
351 set_kernel_config CONFIG_BPF_EVENTS y
352 set_kernel_config CONFIG_BPF_STREAM_PARSER y
354 set_kernel_config CONFIG_BPF_SYSCALL y
355 set_kernel_config CONFIG_BPF_EVENTS y
356 set_kernel_config CONFIG_BPF_STREAM_PARSER y
353 357 set_kernel_config CONFIG_CGROUP_BPF y
354 358 fi
355 359
356 360 # KERNEL_DEFAULT_GOV was set by user
357 361 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
358 362
359 363 case "$KERNEL_DEFAULT_GOV" in
360 364 performance)
361 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
365 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
362 366 ;;
363 367 userspace)
364 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
368 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
365 369 ;;
366 370 ondemand)
367 371 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
368 372 ;;
369 373 conservative)
370 374 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
371 375 ;;
372 376 shedutil)
373 377 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
374 378 ;;
375 379 *)
376 380 echo "error: unsupported default cpu governor"
377 381 exit 1
378 382 ;;
379 383 esac
380 384
381 385 # unset previous default governor
382 386 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
383 387 fi
384 388
385 389 #Revert to previous directory
386 390 cd "${WORKDIR}" || exit
387 391
388 392 # Set kernel configuration parameters to enable qemu emulation
389 393 if [ "$ENABLE_QEMU" = true ] ; then
390 394 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
391 395 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
392 396
393 397 if [ "$KERNEL_CRYPTFS" = true ] ; then
394 398 {
395 399 echo "CONFIG_EMBEDDED=y"
396 400 echo "CONFIG_EXPERT=y"
397 401 echo "CONFIG_DAX=y"
398 402 echo "CONFIG_MD=y"
399 403 echo "CONFIG_BLK_DEV_MD=y"
400 404 echo "CONFIG_MD_AUTODETECT=y"
401 405 echo "CONFIG_BLK_DEV_DM=y"
402 406 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
403 407 echo "CONFIG_DM_CRYPT=y"
404 408 echo "CONFIG_CRYPTO_BLKCIPHER=y"
405 409 echo "CONFIG_CRYPTO_CBC=y"
406 410 echo "CONFIG_CRYPTO_XTS=y"
407 411 echo "CONFIG_CRYPTO_SHA512=y"
408 412 echo "CONFIG_CRYPTO_MANAGER=y"
409 413 } >> "${KERNEL_DIR}"/.config
410 414 fi
411 415 fi
412 416
413 417 # Copy custom kernel configuration file
414 418 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
415 419 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
416 420 fi
417 421
418 422 # Set kernel configuration parameters to their default values
419 423 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
420 424 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
421 425 fi
422 426
423 427 # Start menu-driven kernel configuration (interactive)
424 428 if [ "$KERNEL_MENUCONFIG" = true ] ; then
425 429 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
426 430 fi
427 431 # end if "$KERNELSRC_CONFIG" = true
428 432 fi
429 433
430 434 # Use ccache to cross compile the kernel
431 435 if [ "$KERNEL_CCACHE" = true ] ; then
432 436 cc="ccache ${CROSS_COMPILE}gcc"
433 437 else
434 438 cc="${CROSS_COMPILE}gcc"
435 439 fi
436 440
437 441 # Cross compile kernel and dtbs
438 442 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
439 443
440 444 # Cross compile kernel modules
441 445 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
442 446 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
443 447 fi
444 448 # end if "$KERNELSRC_PREBUILT" = false
445 449 fi
446 450
447 451 # Check if kernel compilation was successful
448 452 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
449 453 echo "error: kernel compilation failed! (kernel image not found)"
450 454 cleanup
451 455 exit 1
452 456 fi
453 457
454 458 # Install kernel modules
455 459 if [ "$ENABLE_REDUCE" = true ] ; then
456 460 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
457 461 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
458 462 fi
459 463 else
460 464 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
461 465 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
462 466 fi
463 467
464 468 # Install kernel firmware
465 469 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
466 470 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
467 471 fi
468 472 fi
469 473
470 474 # Install kernel headers
471 475 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
472 476 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
473 477 fi
474 478
475 479 # Prepare boot (firmware) directory
476 480 mkdir "${BOOT_DIR}"
477 481
478 482 # Get kernel release version
479 483 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
480 484
481 485 # Copy kernel configuration file to the boot directory
482 486 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
483 487
484 488 # Prepare device tree directory
485 489 mkdir "${BOOT_DIR}/overlays"
486 490
487 491 # Ensure the proper .dtb is located
488 492 if [ "$KERNEL_ARCH" = "arm" ] ; then
489 493 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
490 494 if [ -f "${dtb}" ] ; then
491 495 install_readonly "${dtb}" "${BOOT_DIR}/"
492 496 fi
493 497 done
494 498 else
495 499 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
496 500 if [ -f "${dtb}" ] ; then
497 501 install_readonly "${dtb}" "${BOOT_DIR}/"
498 502 fi
499 503 done
500 504 fi
501 505
502 506 # Copy compiled dtb device tree files
503 507 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
504 508 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
505 509 if [ -f "${dtb}" ] ; then
506 510 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
507 511 fi
508 512 done
509 513
510 514 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
511 515 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
512 516 fi
513 517 fi
514 518
515 519 if [ "$ENABLE_UBOOT" = false ] ; then
516 520 # Convert and copy kernel image to the boot directory
517 521 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
518 522 else
519 523 # Copy kernel image to the boot directory
520 524 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
521 525 fi
522 526
523 527 # Remove kernel sources
524 528 if [ "$KERNEL_REMOVESRC" = true ] ; then
525 529 rm -fr "${KERNEL_DIR}"
526 530 else
527 531 # Prepare compiled kernel modules
528 532 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
529 533 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
530 534 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
531 535 fi
532 536
533 537 # Create symlinks for kernel modules
534 538 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
535 539 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
536 540 fi
537 541 fi
538 542
539 543 else # BUILD_KERNEL=false
540 544 if [ "$SET_ARCH" = 64 ] ; then
541 545 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
542 546 # Use Sakakis modified kernel if ZSWAP is active
543 547 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
544 548 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
545 549 fi
546 550
547 551 # Create temporary directory for dl
548 552 temp_dir=$(as_nobody mktemp -d)
549 553
550 554 # Fetch kernel dl
551 555 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
552 556 fi
553 557 if [ "$SET_ARCH" = 64 ] && [ "$RPI_MODEL" = 4 ] ; then
554 558 # Create temporary directory for dl
555 559 temp_dir=$(as_nobody mktemp -d)
556 560
557 561 # Fetch kernel dl
558 562 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI4_64_KERNEL_URL"
559 563 fi
560 564
561 565 #extract download
562 566 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
563 567
564 568 #move extracted kernel to /boot/firmware
565 569 mkdir "${R}/boot/firmware"
566 570 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
567 571 cp -r "${temp_dir}"/lib/* "${R}"/lib/
568 572
569 573 # Remove temporary directory for kernel sources
570 574 rm -fr "${temp_dir}"
571 575
572 576 # Set permissions of the kernel sources
573 577 chown -R root:root "${R}/boot/firmware"
574 578 chown -R root:root "${R}/lib/modules"
575 579 fi
576 580
577 581 # Install Kernel from hypriot comptabile with all Raspberry PI (dunno if its compatible with RPI4 - better compile your own kernel)
578 582 if [ "$SET_ARCH" = 32 ] && [ "$RPI_MODEL" != 4 ] ; then
579 583 # Create temporary directory for dl
580 584 temp_dir=$(as_nobody mktemp -d)
581 585
582 586 # Fetch kernel
583 587 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
584 588
585 589 # Copy downloaded kernel package
586 590 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
587 591
588 592 # Set permissions
589 593 chown -R root:root "${R}"/tmp/kernel.deb
590 594
591 595 # Install kernel
592 596 chroot_exec dpkg -i /tmp/kernel.deb
593 597
594 598 # move /boot to /boot/firmware to fit script env.
595 599 #mkdir "${BOOT_DIR}"
596 600 mkdir "${temp_dir}"/firmware
597 601 mv "${R}"/boot/* "${temp_dir}"/firmware/
598 602 mv "${temp_dir}"/firmware "${R}"/boot/
599 603
600 604 #same for kernel headers
601 605 if [ "$KERNEL_HEADERS" = true ] ; then
602 606 # Fetch kernel header
603 607 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
604 608 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
605 609 chown -R root:root "${R}"/tmp/kernel-header.deb
606 610 # Install kernel header
607 611 chroot_exec dpkg -i /tmp/kernel-header.deb
608 612 rm -f "${R}"/tmp/kernel-header.deb
609 613 fi
610 614
611 615 # Remove temporary directory and files
612 616 rm -fr "${temp_dir}"
613 617 rm -f "${R}"/tmp/kernel.deb
614 618 fi
615 619
616 620 # Check if kernel installation was successful
617 621 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
618 622 if [ -z "$KERNEL" ] ; then
619 623 echo "error: kernel installation failed! (/boot/kernel* not found)"
620 624 cleanup
621 625 exit 1
622 626 fi
623 627 fi
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