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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 [ "$ENABLE_NEXMON" = true ] ; then
10 10 echo "WARNING: if ENABLE_NEXMON is used remember to put the CORRECT KERNELSRC IN KERNELSRC_DIR!!!!!1!"
11 11 KERNEL_URL="${KALI_KERNEL_URL}"
12 12 KERNEL_BRANCH=""
13 13 fi
14 14
15 15 # Fetch and build latest raspberry kernel
16 16 if [ "$BUILD_KERNEL" = true ] ; then
17 17 # Setup source directory
18 18 mkdir -p "${KERNEL_DIR}"
19 19
20 20 # Copy existing kernel sources into chroot directory
21 21 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
22 22 # Copy kernel sources and include hidden files
23 23 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
24 24
25 25 # Clean the kernel sources
26 26 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
27 27 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
28 28 fi
29 29 else # KERNELSRC_DIR=""
30 30 # Create temporary directory for kernel sources
31 31 temp_dir=$(as_nobody mktemp -d)
32 32
33 33 # Fetch current RPi2/3 kernel sources
34 34 if [ -z "${KERNEL_BRANCH}" ] ; then
35 35 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
36 36 else
37 37 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
38 38 fi
39 39
40 40 # Copy downloaded kernel sources
41 41 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
42 42
43 43 # Remove temporary directory for kernel sources
44 44 rm -fr "${temp_dir}"
45 45
46 46 # Set permissions of the kernel sources
47 47 chown -R root:root "${R}/usr/src"
48 48 fi
49 49
50 50 # Calculate optimal number of kernel building threads
51 51 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
52 52 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
53 53 fi
54 54
55 55 # Configure and build kernel
56 56 if [ "$KERNELSRC_PREBUILT" = false ] ; then
57 57 # Remove device, network and filesystem drivers from kernel configuration
58 58 if [ "$KERNEL_REDUCE" = true ] ; then
59 59 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
60 60 sed -i\
61 61 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
62 62 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
63 63 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
64 64 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
65 65 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
66 66 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
67 67 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
68 68 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
69 69 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
70 70 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
71 71 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
72 72 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
73 73 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
74 74 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
75 75 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
76 76 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
77 77 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
78 78 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
79 79 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
80 80 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
81 81 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
82 82 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
83 83 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
84 84 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
85 85 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
86 86 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
87 87 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
88 88 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
89 89 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
90 90 "${KERNEL_DIR}/.config"
91 91 fi
92 92
93 93 if [ "$KERNELSRC_CONFIG" = true ] ; then
94 94 # Load default raspberry kernel configuration
95 95 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
96 96
97 97 #Switch to KERNELSRC_DIR so we can use set_kernel_config
98 98 cd "${KERNEL_DIR}" || exit
99 99
100 100 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
101 101 if [ "$KERNEL_ZSWAP" = true ] ; then
102 102 set_kernel_config CONFIG_ZPOOL y
103 103 set_kernel_config CONFIG_ZSWAP y
104 104 set_kernel_config CONFIG_ZBUD y
105 105 set_kernel_config CONFIG_Z3FOLD y
106 106 set_kernel_config CONFIG_ZSMALLOC y
107 107 set_kernel_config CONFIG_PGTABLE_MAPPING y
108 108 fi
109 109
110 110 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
111 111 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
112 112 set_kernel_config CONFIG_VIRTUALIZATION y
113 113 set_kernel_config CONFIG_KVM y
114 114 set_kernel_config CONFIG_VHOST_NET m
115 115 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
116 116 fi
117 117
118 118 # enable apparmor,integrity audit,
119 119 if [ "$KERNEL_SECURITY" = true ] ; then
120 120
121 121 # security filesystem, security models and audit
122 122 set_kernel_config CONFIG_SECURITYFS y
123 123 set_kernel_config CONFIG_SECURITY y
124 124 set_kernel_config CONFIG_AUDIT y
125 125
126 126 # harden strcpy and memcpy
127 127 set_kernel_config CONFIG_HARDENED_USERCOPY=y
128 128 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR=y
129 129 set_kernel_config CONFIG_FORTIFY_SOURCE=y
130 130
131 131 # integrity sub-system
132 132 set_kernel_config CONFIG_INTEGRITY=y
133 133 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS=y
134 134 set_kernel_config CONFIG_INTEGRITY_AUDIT=y
135 135 set_kernel_config CONFIG_INTEGRITY_SIGNATURE=y
136 136 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING=y
137 137
138 138 # This option provides support for retaining authentication tokens and access keys in the kernel.
139 139 set_kernel_config CONFIG_KEYS=y
140 140 set_kernel_config CONFIG_KEYS_COMPAT=y
141 141
142 142 # Apparmor
143 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 1
143 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
144 144 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
145 145 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
146 146 set_kernel_config CONFIG_SECURITY_APPARMOR y
147 147 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
148 148 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
149 149
150 150 # restrictions on unprivileged users reading the kernel
151 151 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT=y
152 152
153 153 # network security hooks
154 154 set_kernel_config CONFIG_SECURITY_NETWORK y
155 155 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM=y
156 156 set_kernel_config CONFIG_SECURITY_PATH=y
157 157 set_kernel_config CONFIG_SECURITY_YAMA=y
158
159 # New Options
160 if [ "$KERNEL_NF" = true ]
161 set_kernel_config CONFIG_IP_NF_SECURITY m
162 set_kernel_config CONFIG_NETLABEL m
163 set_kernel_config CONFIG_IP6_NF_SECURITY m
164 fi
165 set_kernel_config CONFIG_SECURITY_SELINUX n
166 set_kernel_config CONFIG_SECURITY_SMACK n
167 set_kernel_config CONFIG_SECURITY_TOMOYO n
168 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
169 set_kernel_config CONFIG_SECURITY_LOADPIN n
170 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
171 set_kernel_config CONFIG_IMA n
172 set_kernel_config CONFIG_EVM n
173 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
174 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
175 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
176 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
177 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
178 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
179 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
180 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
158 181 fi
159
182
160 183 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
161 184 if [ "$KERNEL_NF" = true ] ; then
162 185 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
186 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
163 187 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
164 188 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
165 189 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
166 190 set_kernel_config CONFIG_NFT_FIB_INET m
167 191 set_kernel_config CONFIG_NFT_FIB_IPV4 m
168 192 set_kernel_config CONFIG_NFT_FIB_IPV6 m
169 193 set_kernel_config CONFIG_NFT_FIB_NETDEV m
170 194 set_kernel_config CONFIG_NFT_OBJREF m
171 195 set_kernel_config CONFIG_NFT_RT m
172 196 set_kernel_config CONFIG_NFT_SET_BITMAP m
173 197 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
174 198 set_kernel_config CONFIG_NF_LOG_ARP m
175 199 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
176 200 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
177 201 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
178 202 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
179 203 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
180 204 set_kernel_config CONFIG_IP6_NF_IPTABLES m
181 205 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
182 206 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
183 207 set_kernel_config CONFIG_IP6_NF_NAT m
184 208 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
185 209 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
210 set_kernel_config CONFIG_IP_NF_SECURITY m
186 211 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
187 212 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
188 213 set_kernel_config CONFIG_IP_SET_HASH_IP m
189 214 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
190 215 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
191 216 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
192 217 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
193 218 set_kernel_config CONFIG_IP_SET_HASH_MAC m
194 219 set_kernel_config CONFIG_IP_SET_HASH_NET m
195 220 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
196 221 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
197 222 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
198 223 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
199 224 set_kernel_config CONFIG_IP_SET_LIST_SET m
200 225 set_kernel_config CONFIG_NETFILTER_XTABLES m
201 226 set_kernel_config CONFIG_NETFILTER_XTABLES m
202 227 set_kernel_config CONFIG_NFT_BRIDGE_META m
203 228 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
204 229 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
205 230 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
206 231 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
207 232 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
208 233 set_kernel_config CONFIG_NFT_COMPAT m
209 234 set_kernel_config CONFIG_NFT_COUNTER m
210 235 set_kernel_config CONFIG_NFT_CT m
211 236 set_kernel_config CONFIG_NFT_DUP_IPV4 m
212 237 set_kernel_config CONFIG_NFT_DUP_IPV6 m
213 238 set_kernel_config CONFIG_NFT_DUP_NETDEV m
214 239 set_kernel_config CONFIG_NFT_EXTHDR m
215 240 set_kernel_config CONFIG_NFT_FWD_NETDEV m
216 241 set_kernel_config CONFIG_NFT_HASH m
217 242 set_kernel_config CONFIG_NFT_LIMIT m
218 243 set_kernel_config CONFIG_NFT_LOG m
219 244 set_kernel_config CONFIG_NFT_MASQ m
220 245 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
221 246 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
222 247 set_kernel_config CONFIG_NFT_META m
223 248 set_kernel_config CONFIG_NFT_NAT m
224 249 set_kernel_config CONFIG_NFT_NUMGEN m
225 250 set_kernel_config CONFIG_NFT_QUEUE m
226 251 set_kernel_config CONFIG_NFT_QUOTA m
227 252 set_kernel_config CONFIG_NFT_REDIR m
228 253 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
229 254 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
230 255 set_kernel_config CONFIG_NFT_REJECT m
231 256 set_kernel_config CONFIG_NFT_REJECT_INET m
232 257 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
233 258 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
234 259 set_kernel_config CONFIG_NFT_SET_HASH m
235 260 set_kernel_config CONFIG_NFT_SET_RBTREE m
236 261 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
237 262 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
238 263 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
239 264 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
240 265 set_kernel_config CONFIG_NF_DUP_IPV4 m
241 266 set_kernel_config CONFIG_NF_DUP_IPV6 m
242 267 set_kernel_config CONFIG_NF_DUP_NETDEV m
243 268 set_kernel_config CONFIG_NF_LOG_BRIDGE m
244 269 set_kernel_config CONFIG_NF_LOG_IPV4 m
245 270 set_kernel_config CONFIG_NF_LOG_IPV6 m
246 271 set_kernel_config CONFIG_NF_NAT_IPV4 m
247 272 set_kernel_config CONFIG_NF_NAT_IPV6 m
248 273 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
249 274 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
250 275 set_kernel_config CONFIG_NF_NAT_PPTP m
251 276 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
252 277 set_kernel_config CONFIG_NF_NAT_REDIRECT m
253 278 set_kernel_config CONFIG_NF_NAT_SIP m
254 279 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
255 280 set_kernel_config CONFIG_NF_NAT_TFTP m
256 281 set_kernel_config CONFIG_NF_REJECT_IPV4 m
257 282 set_kernel_config CONFIG_NF_REJECT_IPV6 m
258 283 set_kernel_config CONFIG_NF_TABLES m
259 284 set_kernel_config CONFIG_NF_TABLES_ARP m
260 285 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
261 286 set_kernel_config CONFIG_NF_TABLES_INET m
262 287 set_kernel_config CONFIG_NF_TABLES_IPV4 m
263 288 set_kernel_config CONFIG_NF_TABLES_IPV6 m
264 289 set_kernel_config CONFIG_NF_TABLES_NETDEV m
265 290 fi
266 291
267 292 # 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
268 293 if [ "$KERNEL_BPF" = true ] ; then
269 294 set_kernel_config CONFIG_BPF_SYSCALL y
270 295 set_kernel_config CONFIG_BPF_EVENTS y
271 296 set_kernel_config CONFIG_BPF_STREAM_PARSER y
272 297 set_kernel_config CONFIG_CGROUP_BPF y
273 298 fi
274 299
275 300 # KERNEL_DEFAULT_GOV was set by user
276 301 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
277 302
278 303 case "$KERNEL_DEFAULT_GOV" in
279 304 performance)
280 305 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
281 306 ;;
282 307 userspace)
283 308 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
284 309 ;;
285 310 ondemand)
286 311 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
287 312 ;;
288 313 conservative)
289 314 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
290 315 ;;
291 316 shedutil)
292 317 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
293 318 ;;
294 319 *)
295 320 echo "error: unsupported default cpu governor"
296 321 exit 1
297 322 ;;
298 323 esac
299 324
300 325 # unset previous default governor
301 326 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
302 327 fi
303 328
304 329
305 330
306 331 #Revert to previous directory
307 332 cd "${WORKDIR}" || exit
308 333
309 334 # Set kernel configuration parameters to enable qemu emulation
310 335 if [ "$ENABLE_QEMU" = true ] ; then
311 336 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
312 337 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
313 338
314 339 if [ "$ENABLE_CRYPTFS" = true ] ; then
315 340 {
316 341 echo "CONFIG_EMBEDDED=y"
317 342 echo "CONFIG_EXPERT=y"
318 343 echo "CONFIG_DAX=y"
319 344 echo "CONFIG_MD=y"
320 345 echo "CONFIG_BLK_DEV_MD=y"
321 346 echo "CONFIG_MD_AUTODETECT=y"
322 347 echo "CONFIG_BLK_DEV_DM=y"
323 348 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
324 349 echo "CONFIG_DM_CRYPT=y"
325 350 echo "CONFIG_CRYPTO_BLKCIPHER=y"
326 351 echo "CONFIG_CRYPTO_CBC=y"
327 352 echo "CONFIG_CRYPTO_XTS=y"
328 353 echo "CONFIG_CRYPTO_SHA512=y"
329 354 echo "CONFIG_CRYPTO_MANAGER=y"
330 355 } >> "${KERNEL_DIR}"/.config
331 356 fi
332 357 fi
333 358
334 359 # Copy custom kernel configuration file
335 360 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
336 361 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
337 362 fi
338 363
339 364 # Set kernel configuration parameters to their default values
340 365 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
341 366 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
342 367 fi
343 368
344 369 # Start menu-driven kernel configuration (interactive)
345 370 if [ "$KERNEL_MENUCONFIG" = true ] ; then
346 371 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
347 372 fi
348 373 # end if "$KERNELSRC_CONFIG" = true
349 374 fi
350 375
351 376 # Use ccache to cross compile the kernel
352 377 if [ "$KERNEL_CCACHE" = true ] ; then
353 378 cc="ccache ${CROSS_COMPILE}gcc"
354 379 else
355 380 cc="${CROSS_COMPILE}gcc"
356 381 fi
357 382
358 383 # Cross compile kernel and dtbs
359 384 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
360 385
361 386 # Cross compile kernel modules
362 387 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
363 388 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
364 389 fi
365 390 # end if "$KERNELSRC_PREBUILT" = false
366 391 fi
367 392
368 393 # Check if kernel compilation was successful
369 394 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
370 395 echo "error: kernel compilation failed! (kernel image not found)"
371 396 cleanup
372 397 exit 1
373 398 fi
374 399
375 400 # Install kernel modules
376 401 if [ "$ENABLE_REDUCE" = true ] ; then
377 402 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
378 403 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
379 404 fi
380 405 else
381 406 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
382 407 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
383 408 fi
384 409
385 410 # Install kernel firmware
386 411 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
387 412 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
388 413 fi
389 414 fi
390 415
391 416 # Install kernel headers
392 417 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
393 418 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
394 419 fi
395 420 # make tar.gz kernel package - missing os bzw. modules
396 421 #** ** ** WARNING ** ** **
397 422 #Your architecture did not define any architecture-dependent files
398 423 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
399 424 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
400 425
401 426 # Prepare boot (firmware) directory
402 427 mkdir "${BOOT_DIR}"
403 428
404 429 # Get kernel release version
405 430 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
406 431
407 432 # Copy kernel configuration file to the boot directory
408 433 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
409 434
410 435 # Prepare device tree directory
411 436 mkdir "${BOOT_DIR}/overlays"
412 437
413 438 # Ensure the proper .dtb is located
414 439 if [ "$KERNEL_ARCH" = "arm" ] ; then
415 440 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
416 441 if [ -f "${dtb}" ] ; then
417 442 install_readonly "${dtb}" "${BOOT_DIR}/"
418 443 fi
419 444 done
420 445 else
421 446 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
422 447 if [ -f "${dtb}" ] ; then
423 448 install_readonly "${dtb}" "${BOOT_DIR}/"
424 449 fi
425 450 done
426 451 fi
427 452
428 453 # Copy compiled dtb device tree files
429 454 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
430 455 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
431 456 if [ -f "${dtb}" ] ; then
432 457 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
433 458 fi
434 459 done
435 460
436 461 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
437 462 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
438 463 fi
439 464 fi
440 465
441 466 if [ "$ENABLE_UBOOT" = false ] ; then
442 467 # Convert and copy kernel image to the boot directory
443 468 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
444 469 else
445 470 # Copy kernel image to the boot directory
446 471 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
447 472 fi
448 473
449 474 # Remove kernel sources
450 475 if [ "$KERNEL_REMOVESRC" = true ] ; then
451 476 rm -fr "${KERNEL_DIR}"
452 477 else
453 478 # Prepare compiled kernel modules
454 479 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
455 480 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
456 481 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
457 482 fi
458 483
459 484 # Create symlinks for kernel modules
460 485 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
461 486 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
462 487 fi
463 488 fi
464 489
465 490 else # BUILD_KERNEL=false
466 491 # echo Install precompiled kernel...
467 492 # echo error: not implemented
468 493 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
469 494
470 495 # Use Sakakis modified kernel if ZSWAP is active
471 496 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
472 497 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
473 498 fi
474 499
475 500 # Create temporary directory for dl
476 501 temp_dir=$(as_nobody mktemp -d)
477 502
478 503 # Fetch kernel dl
479 504 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
480 505
481 506 #extract download
482 507 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
483 508
484 509 #move extracted kernel to /boot/firmware
485 510 mkdir "${R}/boot/firmware"
486 511 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
487 512 cp -r "${temp_dir}"/lib/* "${R}"/lib/
488 513
489 514 # Remove temporary directory for kernel sources
490 515 rm -fr "${temp_dir}"
491 516
492 517 # Set permissions of the kernel sources
493 518 chown -R root:root "${R}/boot/firmware"
494 519 chown -R root:root "${R}/lib/modules"
495 520 fi
496 521
497 522 # Install Kernel from hypriot comptabile with all Raspberry PI
498 523 if [ "$SET_ARCH" = 32 ] ; then
499 524 # Create temporary directory for dl
500 525 temp_dir=$(as_nobody mktemp -d)
501 526
502 527 # Fetch kernel
503 528 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
504 529
505 530 # Copy downloaded U-Boot sources
506 531 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
507 532
508 533 # Set permissions
509 534 chown -R root:root "${R}"/tmp/kernel.deb
510 535
511 536 # Install kernel
512 537 chroot_exec dpkg -i /tmp/kernel.deb
513 538
514 539 # move /boot to /boot/firmware to fit script env.
515 540 #mkdir "${BOOT_DIR}"
516 541 mkdir "${temp_dir}"/firmware
517 542 mv "${R}"/boot/* "${temp_dir}"/firmware/
518 543 mv "${temp_dir}"/firmware "${R}"/boot/
519 544
520 545 #same for kernel headers
521 546 if [ "$KERNEL_HEADERS" = true ] ; then
522 547 # Fetch kernel header
523 548 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
524 549 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
525 550 chown -R root:root "${R}"/tmp/kernel-header.deb
526 551 # Install kernel header
527 552 chroot_exec dpkg -i /tmp/kernel-header.deb
528 553 rm -f "${R}"/tmp/kernel-header.deb
529 554 fi
530 555
531 556 # Remove temporary directory and files
532 557 rm -fr "${temp_dir}"
533 558 rm -f "${R}"/tmp/kernel.deb
534 559 fi
535 560
536 561 # Check if kernel installation was successful
537 562 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
538 563 if [ -z "$KERNEL" ] ; then
539 564 echo "error: kernel installation failed! (/boot/kernel* not found)"
540 565 cleanup
541 566 exit 1
542 567 fi
543 568 fi
Show file before | Show file after | Hide comments
@@ -1,268 +1,271
1 1 #
2 2 # Setup RPi2/3 config and cmdline
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 #if [ "$BUILD_KERNEL" = true ] ; then
9 9 if [ -n "$RPI_FIRMWARE_DIR" ] && [ -d "$RPI_FIRMWARE_DIR" ] ; then
10 10 # Install boot binaries from local directory
11 11 cp "${RPI_FIRMWARE_DIR}"/boot/bootcode.bin "${BOOT_DIR}"/bootcode.bin
12 12 cp "${RPI_FIRMWARE_DIR}"/boot/fixup.dat "${BOOT_DIR}"/fixup.dat
13 13 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_cd.dat "${BOOT_DIR}"/fixup_cd.dat
14 14 cp "${RPI_FIRMWARE_DIR}"/boot/fixup_x.dat "${BOOT_DIR}"/fixup_x.dat
15 15 cp "${RPI_FIRMWARE_DIR}"/boot/start.elf "${BOOT_DIR}"/start.elf
16 16 cp "${RPI_FIRMWARE_DIR}"/boot/start_cd.elf "${BOOT_DIR}"/start_cd.elf
17 17 cp "${RPI_FIRMWARE_DIR}"/boot/start_x.elf "${BOOT_DIR}"/start_x.elf
18 18 else
19 19 # Create temporary directory for boot binaries
20 20 temp_dir=$(as_nobody mktemp -d)
21 21
22 22 # Install latest boot binaries from raspberry/firmware github
23 23 as_nobody wget -q -O "${temp_dir}/bootcode.bin" "${FIRMWARE_URL}/bootcode.bin"
24 24 as_nobody wget -q -O "${temp_dir}/fixup.dat" "${FIRMWARE_URL}/fixup.dat"
25 25 as_nobody wget -q -O "${temp_dir}/fixup_cd.dat" "${FIRMWARE_URL}/fixup_cd.dat"
26 26 as_nobody wget -q -O "${temp_dir}/fixup_x.dat" "${FIRMWARE_URL}/fixup_x.dat"
27 27 as_nobody wget -q -O "${temp_dir}/start.elf" "${FIRMWARE_URL}/start.elf"
28 28 as_nobody wget -q -O "${temp_dir}/start_cd.elf" "${FIRMWARE_URL}/start_cd.elf"
29 29 as_nobody wget -q -O "${temp_dir}/start_x.elf" "${FIRMWARE_URL}/start_x.elf"
30 30
31 31 # Move downloaded boot binaries
32 32 mv "${temp_dir}/"* "${BOOT_DIR}/"
33 33
34 34 # Remove temporary directory for boot binaries
35 35 rm -fr "${temp_dir}"
36 36
37 37 # Set permissions of the boot binaries
38 38 chown -R root:root "${BOOT_DIR}"
39 39 chmod -R 600 "${BOOT_DIR}"
40 40 fi
41 41 #fi
42 42
43 43 # Setup firmware boot cmdline
44 44 if [ "$ENABLE_UBOOTUSB" = true ] ; then
45 45 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
46 46 else
47 47 if [ "$ENABLE_SPLITFS" = true ] ; then
48 48 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/sda1 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
49 49 else
50 50 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait console=tty1 init=/bin/systemd"
51 51 fi
52 52 fi
53 53
54 54 # Add encrypted root partition to cmdline.txt
55 55 if [ "$ENABLE_CRYPTFS" = true ] ; then
56 56 if [ "$ENABLE_SPLITFS" = true ] ; then
57 57 CMDLINE=$(echo "${CMDLINE}" | sed "s/sda1/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda1:${CRYPTFS_MAPPING}/")
58 58 else
59 59 if [ "$ENABLE_UBOOTUSB" = true ] ; then
60 60 CMDLINE=$(echo "${CMDLINE}" | sed "s/sda2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/sda2:${CRYPTFS_MAPPING}/")
61 61 else
62 62 CMDLINE=$(echo "${CMDLINE}" | sed "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING} cryptdevice=\/dev\/mmcblk0p2:${CRYPTFS_MAPPING}/")
63 63 fi
64 64 fi
65 65 fi
66 66
67 67 # Enable Kernel messages on standard output
68 68 if [ "$ENABLE_PRINTK" = true ] ; then
69 69 install_readonly files/sysctl.d/83-rpi-printk.conf "${ETC_DIR}/sysctl.d/83-rpi-printk.conf"
70 70 fi
71 71
72 72 # Install udev rule for serial alias - serial0 = console serial1=bluetooth
73 73 install_readonly files/etc/99-com.rules "${LIB_DIR}/udev/rules.d/99-com.rules"
74 74
75 75 # Remove IPv6 networking support
76 76 if [ "$ENABLE_IPV6" = false ] ; then
77 77 CMDLINE="${CMDLINE} ipv6.disable=1"
78 78 fi
79 79
80 80 # Automatically assign predictable network interface names
81 81 if [ "$ENABLE_IFNAMES" = false ] ; then
82 82 CMDLINE="${CMDLINE} net.ifnames=0"
83 83 else
84 84 CMDLINE="${CMDLINE} net.ifnames=1"
85 85 fi
86 86
87 87 # Install firmware config
88 88 install_readonly files/boot/config.txt "${BOOT_DIR}/config.txt"
89 89
90 90 # Locks CPU frequency at maximum
91 91 if [ "$ENABLE_TURBO" = true ] ; then
92 92 echo "force_turbo=1" >> "${BOOT_DIR}/config.txt"
93 93 # helps to avoid sdcard corruption when force_turbo is enabled.
94 94 echo "boot_delay=1" >> "${BOOT_DIR}/config.txt"
95 95 fi
96 96
97 97 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
98 98
99 99 # Bluetooth enabled
100 100 if [ "$ENABLE_BLUETOOTH" = true ] ; then
101 101 # Create temporary directory for Bluetooth sources
102 102 temp_dir=$(as_nobody mktemp -d)
103 103
104 104 # Fetch Bluetooth sources
105 105 as_nobody git -C "${temp_dir}" clone "${BLUETOOTH_URL}"
106 106
107 107 # Copy downloaded sources
108 108 mv "${temp_dir}/pi-bluetooth" "${R}/tmp/"
109 109
110 110 # Bluetooth firmware from arch aur https://aur.archlinux.org/packages/pi-bluetooth/
111 111 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" https://aur.archlinux.org/cgit/aur.git/plain/LICENCE.broadcom_bcm43xx?h=pi-bluetooth
112 112 as_nobody wget -q -O "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" https://aur.archlinux.org/cgit/aur.git/plain/BCM43430A1.hcd?h=pi-bluetooth
113 113
114 114 # Set permissions
115 115 chown -R root:root "${R}/tmp/pi-bluetooth"
116 116
117 117 # Install tools
118 118 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/btuart" "${R}/usr/bin/btuart"
119 119 install_readonly "${R}/tmp/pi-bluetooth/usr/bin/bthelper" "${R}/usr/bin/bthelper"
120 120
121 121 # make scripts executable
122 122 chmod +x "${R}/usr/bin/bthelper"
123 123 chmod +x "${R}/usr/bin/btuart"
124 124
125 125 # Install bluetooth udev rule
126 126 install_readonly "${R}/tmp/pi-bluetooth/lib/udev/rules.d/90-pi-bluetooth.rules" "${LIB_DIR}/udev/rules.d/90-pi-bluetooth.rules"
127 127
128 128 # Install Firmware Flash file and apropiate licence
129 129 mkdir -p "$BLUETOOTH_FIRMWARE_DIR"
130 130 install_readonly "${R}/tmp/pi-bluetooth/LICENCE.broadcom_bcm43xx" "${BLUETOOTH_FIRMWARE_DIR}/LICENCE.broadcom_bcm43xx"
131 131 install_readonly "${R}/tmp/pi-bluetooth/BCM43430A1.hcd" "${BLUETOOTH_FIRMWARE_DIR}/LICENCE.broadcom_bcm43xx"
132 132 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.bthelper@.service" "${ETC_DIR}/systemd/system/pi-bluetooth.bthelper@.service"
133 133 install_readonly "${R}/tmp/pi-bluetooth/debian/pi-bluetooth.hciuart.service" "${ETC_DIR}/systemd/system/pi-bluetooth.hciuart.service"
134 134
135 135 # Remove temporary directories
136 136 rm -fr "${temp_dir}"
137 137 rm -fr "${R}"/tmp/pi-bluetooth
138 138
139 139 # Switch Pi3 Bluetooth function to use the mini-UART (ttyS0) and restore UART0/ttyAMA0 over GPIOs 14 & 15. Slow Bluetooth and slow cpu. Use /dev/ttyS0 instead of /dev/ttyAMA0
140 140 if [ "$ENABLE_MINIUART_OVERLAY" = true ] ; then
141 141
142 142 # set overlay to swap ttyAMA0 and ttyS0
143 143 echo "dtoverlay=pi3-miniuart-bt" >> "${BOOT_DIR}/config.txt"
144 144
145 145 # if force_turbo didn't lock cpu at high speed, lock it at low speed (XOR logic) or miniuart will be broken
146 146 if [ "$ENABLE_TURBO" = false ] ; then
147 147 echo "core_freq=250" >> "${BOOT_DIR}/config.txt"
148 148 fi
149 149 fi
150 150
151 151 # Activate services
152 152 chroot_exec systemctl enable pi-bluetooth.hciuart.service
153 153
154 154 else # if ENABLE_BLUETOOTH = false
155 155 # set overlay to disable bluetooth
156 156 echo "dtoverlay=pi3-disable-bt" >> "${BOOT_DIR}/config.txt"
157 157 fi # ENABLE_BLUETOOTH end
158 158 fi
159 159
160 160 # may need sudo systemctl disable hciuart
161 161 if [ "$ENABLE_CONSOLE" = true ] ; then
162 162 echo "enable_uart=1" >> "${BOOT_DIR}/config.txt"
163 163 # add string to cmdline
164 164 CMDLINE="${CMDLINE} console=serial0,115200"
165 165
166 166 # Enable serial console systemd style
167 167 chroot_exec systemctl enable serial-getty@serial0.service
168 168 else
169 169 echo "enable_uart=0" >> "${BOOT_DIR}/config.txt"
170 170 fi
171 171
172 172 if [ "$ENABLE_SYSTEMDSWAP" = true ] ; then
173 173 # Create temporary directory for systemd-swap sources
174 174 temp_dir=$(as_nobody mktemp -d)
175 175
176 176 # Fetch systemd-swap sources
177 177 as_nobody git -C "${temp_dir}" clone "${SYSTEMDSWAP_URL}"
178 178
179 179 # Copy downloaded systemd-swap sources
180 180 mv "${temp_dir}/systemd-swap" "${R}/tmp/"
181 181
182 182 # Set permissions of the systemd-swap sources
183 183 chown -R root:root "${R}/tmp/systemd-swap"
184 184
185 185 # Remove temporary directory for systemd-swap sources
186 186 rm -fr "${temp_dir}"
187 187
188 188 # Change into downloaded src dir
189 189 cd "${R}/tmp/systemd-swap" || exit
190 190
191 191 # Build package
192 192 . ./package.sh debian
193 193
194 194 # Install package
195 195 chroot_exec dpkg -i /tmp/systemd-swap/systemd-swap-*any.deb
196 196
197 197 # Enable service
198 198 chroot_exec systemctl enable systemd-swap
199 199
200 200 # Change back into script root dir
201 201 cd "${WORKDIR}" || exit
202 202 else
203 203 # Enable ZSWAP in cmdline if systemd-swap is not used
204 204 if [ "$KERNEL_ZSWAP" = true ] ; then
205 205 CMDLINE="${CMDLINE} zswap.enabled=1 zswap.max_pool_percent=25 zswap.compressor=lz4"
206 206 fi
207 207 fi
208 if [ "$KERNEL_SECURITY" = true ] ; then
209 CMDLINE="${CMDLINE} apparmor=1 security=apparmor"
210 fi
208 211
209 212 # Install firmware boot cmdline
210 213 echo "${CMDLINE}" > "${BOOT_DIR}/cmdline.txt"
211 214
212 215 # Setup minimal GPU memory allocation size: 16MB (no X)
213 216 if [ "$ENABLE_MINGPU" = true ] ; then
214 217 echo "gpu_mem=16" >> "${BOOT_DIR}/config.txt"
215 218 fi
216 219
217 220 # Setup boot with initramfs
218 221 if [ "$ENABLE_INITRAMFS" = true ] ; then
219 222 echo "initramfs initramfs-${KERNEL_VERSION} followkernel" >> "${BOOT_DIR}/config.txt"
220 223 fi
221 224
222 225 # Create firmware configuration and cmdline symlinks
223 226 ln -sf firmware/config.txt "${R}/boot/config.txt"
224 227 ln -sf firmware/cmdline.txt "${R}/boot/cmdline.txt"
225 228
226 229 # Install and setup kernel modules to load at boot
227 230 mkdir -p "${LIB_DIR}/modules-load.d/"
228 231 install_readonly files/modules/rpi2.conf "${LIB_DIR}/modules-load.d/rpi2.conf"
229 232
230 233 # Load hardware random module at boot
231 234 if [ "$ENABLE_HWRANDOM" = true ] && [ "$BUILD_KERNEL" = false ] ; then
232 235 sed -i "s/^# bcm2708_rng/bcm2708_rng/" "${LIB_DIR}/modules-load.d/rpi2.conf"
233 236 fi
234 237
235 238 # Load sound module at boot
236 239 if [ "$ENABLE_SOUND" = true ] ; then
237 240 sed -i "s/^# snd_bcm2835/snd_bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf"
238 241 else
239 242 echo "dtparam=audio=off" >> "${BOOT_DIR}/config.txt"
240 243 fi
241 244
242 245 # Enable I2C interface
243 246 if [ "$ENABLE_I2C" = true ] ; then
244 247 echo "dtparam=i2c_arm=on" >> "${BOOT_DIR}/config.txt"
245 248 sed -i "s/^# i2c-bcm2708/i2c-bcm2708/" "${LIB_DIR}/modules-load.d/rpi2.conf"
246 249 sed -i "s/^# i2c-dev/i2c-dev/" "${LIB_DIR}/modules-load.d/rpi2.conf"
247 250 fi
248 251
249 252 # Enable SPI interface
250 253 if [ "$ENABLE_SPI" = true ] ; then
251 254 echo "dtparam=spi=on" >> "${BOOT_DIR}/config.txt"
252 255 echo "spi-bcm2708" >> "${LIB_DIR}/modules-load.d/rpi2.conf"
253 256 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ]; then
254 257 sed -i "s/spi-bcm2708/spi-bcm2835/" "${LIB_DIR}/modules-load.d/rpi2.conf"
255 258 fi
256 259 fi
257 260
258 261 # Disable RPi2/3 under-voltage warnings
259 262 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
260 263 echo "avoid_warnings=${DISABLE_UNDERVOLT_WARNINGS}" >> "${BOOT_DIR}/config.txt"
261 264 fi
262 265
263 266 # Install kernel modules blacklist
264 267 mkdir -p "${ETC_DIR}/modprobe.d/"
265 268 install_readonly files/modules/raspi-blacklist.conf "${ETC_DIR}/modprobe.d/raspi-blacklist.conf"
266 269
267 270 # Install sysctl.d configuration files
268 271 install_readonly files/sysctl.d/81-rpi-vm.conf "${ETC_DIR}/sysctl.d/81-rpi-vm.conf"
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