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