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1 #
1 #
2 # Build and Setup RPi2/3 Kernel
2 # Build and Setup RPi2/3 Kernel
3 #
3 #
4
4
5 # Load utility functions
5 # Load utility functions
6 . ./functions.sh
6 . ./functions.sh
7
7
8 # Need to use kali kernel src if nexmon is enabled
8 # Need to use kali kernel src if nexmon is enabled
9 if [ "$ENABLE_NEXMON" = true ] ; then
9 if [ "$ENABLE_NEXMON" = true ] ; then
10 KERNEL_URL="${KALI_KERNEL_URL}"
10 KERNEL_URL="${KALI_KERNEL_URL}"
11 # Clear Branch and KernelSRC_DIR if using nexmon. Everyone will forget to clone kali kernel instead of nomrla kernel
11 # Clear Branch and KernelSRC_DIR if using nexmon. Everyone will forget to clone kali kernel instead of nomrla kernel
12 KERNEL_BRANCH=""
12 KERNEL_BRANCH=""
13 KERNELSRC_DIR=""
13 KERNELSRC_DIR=""
14 fi
14 fi
15
15
16 # Fetch and build latest raspberry kernel
16 # Fetch and build latest raspberry kernel
17 if [ "$BUILD_KERNEL" = true ] ; then
17 if [ "$BUILD_KERNEL" = true ] ; then
18 # Setup source directory
18 # Setup source directory
19 mkdir -p "${KERNEL_DIR}"
19 mkdir -p "${KERNEL_DIR}"
20
20
21 # Copy existing kernel sources into chroot directory
21 # Copy existing kernel sources into chroot directory
22 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
22 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
23 # Copy kernel sources and include hidden files
23 # Copy kernel sources and include hidden files
24 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
24 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
25
25
26 # Clean the kernel sources
26 # Clean the kernel sources
27 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
27 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
28 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
28 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
29 fi
29 fi
30 else # KERNELSRC_DIR=""
30 else # KERNELSRC_DIR=""
31 # Create temporary directory for kernel sources
31 # Create temporary directory for kernel sources
32 temp_dir=$(as_nobody mktemp -d)
32 temp_dir=$(as_nobody mktemp -d)
33
33
34 # Fetch current RPi2/3 kernel sources
34 # Fetch current RPi2/3 kernel sources
35 if [ -z "${KERNEL_BRANCH}" ] ; then
35 if [ -z "${KERNEL_BRANCH}" ] ; then
36 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
36 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
37 else
37 else
38 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
38 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
39 fi
39 fi
40
40
41 # Copy downloaded kernel sources
41 # Copy downloaded kernel sources
42 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
42 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
43
43
44 # Remove temporary directory for kernel sources
44 # Remove temporary directory for kernel sources
45 rm -fr "${temp_dir}"
45 rm -fr "${temp_dir}"
46
46
47 # Set permissions of the kernel sources
47 # Set permissions of the kernel sources
48 chown -R root:root "${R}/usr/src"
48 chown -R root:root "${R}/usr/src"
49 fi
49 fi
50
50
51 # Calculate optimal number of kernel building threads
51 # Calculate optimal number of kernel building threads
52 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
52 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
53 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
53 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
54 fi
54 fi
55
55
56 # Configure and build kernel
56 # Configure and build kernel
57 if [ "$KERNELSRC_PREBUILT" = false ] ; then
57 if [ "$KERNELSRC_PREBUILT" = false ] ; then
58 # Remove device, network and filesystem drivers from kernel configuration
58 # Remove device, network and filesystem drivers from kernel configuration
59 if [ "$KERNEL_REDUCE" = true ] ; then
59 if [ "$KERNEL_REDUCE" = true ] ; then
60 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
60 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
61 sed -i\
61 sed -i\
62 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
65 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
65 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
67 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
67 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
68 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
68 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
69 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
69 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
70 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
70 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
71 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
71 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
73 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
73 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
75 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
75 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
76 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
76 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
77 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
77 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
78 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
78 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
79 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
79 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
81 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
81 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
83 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
83 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
84 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
84 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
85 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
85 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
86 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
86 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
87 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
87 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
88 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
88 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
89 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
89 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
90 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
90 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
91 "${KERNEL_DIR}/.config"
91 "${KERNEL_DIR}/.config"
92 fi
92 fi
93
93
94 if [ "$KERNELSRC_CONFIG" = true ] ; then
94 if [ "$KERNELSRC_CONFIG" = true ] ; then
95 # Load default raspberry kernel configuration
95 # Load default raspberry kernel configuration
96 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
96 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
97
97
98 #Switch to KERNELSRC_DIR so we can use set_kernel_config
98 #Switch to KERNELSRC_DIR so we can use set_kernel_config
99 cd "${KERNEL_DIR}" || exit
99 cd "${KERNEL_DIR}" || exit
100
100 if [ "$KERNEL_ARCH" = arm64 ]
101 #Fix SD_DRIVER f* up in Raspberry PI upstream kernel
101 #Fix SD_DRIVER mess in 64bit config
102 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - variable naming is bs
102 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - variable naming is bs
103 set_kernel_config CONFIG_MMC_BCM2835 n
103 set_kernel_config CONFIG_MMC_BCM2835 n
104 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
104 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
105 set_kernel_config CONFIG_USB_DWC2 n
105 set_kernel_config CONFIG_USB_DWC2 n
106 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
106 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
107
107
108 #VLAN got disabled without reason in arm64bit
109 set_kernel_config CONFIG_IPVLAN m
110
111 #V4L2 sub-device userspace API
112 set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
113
114 # GPIO-based bitbanging SPI Master
115 set_kernel_config CONFIG_SPI_GPIO m
116 #SPI Slave protocol
117 set_kernel_config CONFIG_SPI_SLAVE y
118
119 # Virtual (secure) IP: tunneling
120 set_kernel_config CONFIG_NET_IPVTI m
121
122 #Wlan driver debug info
123 set_kernel_config CONFIG_BRCMDBG m
124
125 #GPIO WATCHDOG
126 set_kernel_config CONFIG_GPIO_WATCHDOG m
127
128 #Camera
129 set_kernel_config VIDEO_BCM2835 m
130 set_kernel_config VIDEO_BCM2835_UNICAM m
131 fi
132
108 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
133 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
109 if [ "$KERNEL_ZSWAP" = true ] ; then
134 if [ "$KERNEL_ZSWAP" = true ] ; then
110 set_kernel_config CONFIG_ZPOOL y
135 set_kernel_config CONFIG_ZPOOL y
111 set_kernel_config CONFIG_ZSWAP y
136 set_kernel_config CONFIG_ZSWAP y
112 set_kernel_config CONFIG_ZBUD y
137 set_kernel_config CONFIG_ZBUD y
113 set_kernel_config CONFIG_Z3FOLD y
138 set_kernel_config CONFIG_Z3FOLD y
114 set_kernel_config CONFIG_ZSMALLOC y
139 set_kernel_config CONFIG_ZSMALLOC y
115 set_kernel_config CONFIG_PGTABLE_MAPPING y
140 set_kernel_config CONFIG_PGTABLE_MAPPING y
116 set_kernel_config CONFIG_LZO_COMPRESS y
141 set_kernel_config CONFIG_LZO_COMPRESS y
117
142
118 fi
143 fi
119
144
120 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
145 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
121 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
146 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
122 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
147 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
123 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
148 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
124 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
149 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
125 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
150 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
126 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
151 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
127 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
152 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
128 set_kernel_config CONFIG_HAVE_KVM_MSI y
153 set_kernel_config CONFIG_HAVE_KVM_MSI y
129 set_kernel_config CONFIG_KVM y
154 set_kernel_config CONFIG_KVM y
130 set_kernel_config CONFIG_KVM_ARM_HOST y
155 set_kernel_config CONFIG_KVM_ARM_HOST y
131 set_kernel_config CONFIG_KVM_ARM_PMU y
156 set_kernel_config CONFIG_KVM_ARM_PMU y
132 set_kernel_config CONFIG_KVM_COMPAT y
157 set_kernel_config CONFIG_KVM_COMPAT y
133 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
158 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
134 set_kernel_config CONFIG_KVM_MMIO y
159 set_kernel_config CONFIG_KVM_MMIO y
135 set_kernel_config CONFIG_KVM_VFIO y
160 set_kernel_config CONFIG_KVM_VFIO y
136 set_kernel_config CONFIG_VHOST m
161 set_kernel_config CONFIG_VHOST m
137 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
162 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
138 set_kernel_config CONFIG_VHOST_NET m
163 set_kernel_config CONFIG_VHOST_NET m
139 set_kernel_config CONFIG_VIRTUALIZATION y
164 set_kernel_config CONFIG_VIRTUALIZATION y
140
165
141 set_kernel_config CONFIG_MMU_NOTIFIER y
166 set_kernel_config CONFIG_MMU_NOTIFIER y
142
167
143 # erratum
168 # erratum
144 set_kernel_config ARM64_ERRATUM_834220 y
169 set_kernel_config ARM64_ERRATUM_834220 y
145
170
146 # https://sourceforge.net/p/kvm/mailman/message/18440797/
171 # https://sourceforge.net/p/kvm/mailman/message/18440797/
147 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
172 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
148 fi
173 fi
149
174
150 # enable apparmor,integrity audit,
175 # enable apparmor,integrity audit,
151 if [ "$KERNEL_SECURITY" = true ] ; then
176 if [ "$KERNEL_SECURITY" = true ] ; then
152
177
153 # security filesystem, security models and audit
178 # security filesystem, security models and audit
154 set_kernel_config CONFIG_SECURITYFS y
179 set_kernel_config CONFIG_SECURITYFS y
155 set_kernel_config CONFIG_SECURITY y
180 set_kernel_config CONFIG_SECURITY y
156 set_kernel_config CONFIG_AUDIT y
181 set_kernel_config CONFIG_AUDIT y
157
182
158 # harden strcpy and memcpy
183 # harden strcpy and memcpy
159 set_kernel_config CONFIG_HARDENED_USERCOPY y
184 set_kernel_config CONFIG_HARDENED_USERCOPY y
160 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
185 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
161 set_kernel_config CONFIG_FORTIFY_SOURCE y
186 set_kernel_config CONFIG_FORTIFY_SOURCE y
162
187
163 # integrity sub-system
188 # integrity sub-system
164 set_kernel_config CONFIG_INTEGRITY y
189 set_kernel_config CONFIG_INTEGRITY y
165 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
190 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
166 set_kernel_config CONFIG_INTEGRITY_AUDIT y
191 set_kernel_config CONFIG_INTEGRITY_AUDIT y
167 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
192 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
168 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
193 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
169 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS ""
194 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS ""
170
195
171 # This option provides support for retaining authentication tokens and access keys in the kernel.
196 # This option provides support for retaining authentication tokens and access keys in the kernel.
172 set_kernel_config CONFIG_KEYS=y
197 set_kernel_config CONFIG_KEYS y
173 set_kernel_config CONFIG_KEYS_COMPAT=y
198 set_kernel_config CONFIG_KEYS_COMPAT y
174
199
175 # Apparmor
200 # Apparmor
176 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
201 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
177 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
202 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
178 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
203 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
179 set_kernel_config CONFIG_SECURITY_APPARMOR y
204 set_kernel_config CONFIG_SECURITY_APPARMOR y
180 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
205 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
181 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
206 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
182
207
183 # restrictions on unprivileged users reading the kernel
208 # restrictions on unprivileged users reading the kernel
184 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT=y
209 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
185
210
186 # network security hooks
211 # network security hooks
187 set_kernel_config CONFIG_SECURITY_NETWORK y
212 set_kernel_config CONFIG_SECURITY_NETWORK y
188 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM=y
213 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
189 set_kernel_config CONFIG_SECURITY_PATH=y
214 set_kernel_config CONFIG_SECURITY_PATH y
190 set_kernel_config CONFIG_SECURITY_YAMA=y
215 set_kernel_config CONFIG_SECURITY_YAMA n
191
216
192 # New Options
217 # New Options
193 if [ "$KERNEL_NF" = true ] ; then
218 if [ "$KERNEL_NF" = true ] ; then
194 set_kernel_config CONFIG_IP_NF_SECURITY m
219 set_kernel_config CONFIG_IP_NF_SECURITY m
195 set_kernel_config CONFIG_NETLABEL y
220 set_kernel_config CONFIG_NETLABEL y
196 set_kernel_config CONFIG_IP6_NF_SECURITY m
221 set_kernel_config CONFIG_IP6_NF_SECURITY m
197 fi
222 fi
198 set_kernel_config CONFIG_SECURITY_SELINUX n
223 set_kernel_config CONFIG_SECURITY_SELINUX n
199 set_kernel_config CONFIG_SECURITY_SMACK n
224 set_kernel_config CONFIG_SECURITY_SMACK n
200 set_kernel_config CONFIG_SECURITY_TOMOYO n
225 set_kernel_config CONFIG_SECURITY_TOMOYO n
201 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
226 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
202 set_kernel_config CONFIG_SECURITY_LOADPIN n
227 set_kernel_config CONFIG_SECURITY_LOADPIN n
203 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
228 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
204 set_kernel_config CONFIG_IMA n
229 set_kernel_config CONFIG_IMA n
205 set_kernel_config CONFIG_EVM n
230 set_kernel_config CONFIG_EVM n
206 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
231 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
207 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
232 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
208 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
233 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
209 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
234 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
210 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
235 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
211 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
236 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
212 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
237 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
213 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
238 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
214 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
239 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
215 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
240 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
216
241
217 set_kernel_config CONFIG_ARM64_CRYPTO y
242 set_kernel_config CONFIG_ARM64_CRYPTO y
218 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
243 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
219 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
244 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
220 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
245 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
221 set_kernel_config CRYPTO_GHASH_ARM64_CE m
246 set_kernel_config CRYPTO_GHASH_ARM64_CE m
222 set_kernel_config CRYPTO_SHA2_ARM64_CE m
247 set_kernel_config CRYPTO_SHA2_ARM64_CE m
223 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
248 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
224 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
249 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
225 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
250 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
226 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
251 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
227 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
252 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
228 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
253 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
229 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
254 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
230 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
255 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
231 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
256 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
232 echo SYSTEM_TRUSTED_KEYS >> .config
257 echo CONFIG_SYSTEM_TRUSTED_KEYS="" >> .config
233 fi
258 fi
234
259
235 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
260 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
236 if [ "$KERNEL_NF" = true ] ; then
261 if [ "$KERNEL_NF" = true ] ; then
237 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
262 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
238 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
263 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
239 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
264 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
240 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
265 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
241 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
266 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
242 set_kernel_config CONFIG_NFT_FIB_INET m
267 set_kernel_config CONFIG_NFT_FIB_INET m
243 set_kernel_config CONFIG_NFT_FIB_IPV4 m
268 set_kernel_config CONFIG_NFT_FIB_IPV4 m
244 set_kernel_config CONFIG_NFT_FIB_IPV6 m
269 set_kernel_config CONFIG_NFT_FIB_IPV6 m
245 set_kernel_config CONFIG_NFT_FIB_NETDEV m
270 set_kernel_config CONFIG_NFT_FIB_NETDEV m
246 set_kernel_config CONFIG_NFT_OBJREF m
271 set_kernel_config CONFIG_NFT_OBJREF m
247 set_kernel_config CONFIG_NFT_RT m
272 set_kernel_config CONFIG_NFT_RT m
248 set_kernel_config CONFIG_NFT_SET_BITMAP m
273 set_kernel_config CONFIG_NFT_SET_BITMAP m
249 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
274 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
250 set_kernel_config CONFIG_NF_LOG_ARP m
275 set_kernel_config CONFIG_NF_LOG_ARP m
251 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
276 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
252 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
277 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
253 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
278 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
254 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
279 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
255 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
280 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
256 set_kernel_config CONFIG_IP6_NF_IPTABLES m
281 set_kernel_config CONFIG_IP6_NF_IPTABLES m
257 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
282 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
258 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
283 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
259 set_kernel_config CONFIG_IP6_NF_NAT m
284 set_kernel_config CONFIG_IP6_NF_NAT m
260 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
285 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
261 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
286 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
262 set_kernel_config CONFIG_IP_NF_SECURITY m
287 set_kernel_config CONFIG_IP_NF_SECURITY m
263 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
288 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
264 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
289 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
265 set_kernel_config CONFIG_IP_SET_HASH_IP m
290 set_kernel_config CONFIG_IP_SET_HASH_IP m
266 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
291 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
267 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
292 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
268 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
293 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
269 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
294 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
270 set_kernel_config CONFIG_IP_SET_HASH_MAC m
295 set_kernel_config CONFIG_IP_SET_HASH_MAC m
271 set_kernel_config CONFIG_IP_SET_HASH_NET m
296 set_kernel_config CONFIG_IP_SET_HASH_NET m
272 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
297 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
273 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
298 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
274 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
299 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
275 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
300 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
276 set_kernel_config CONFIG_IP_SET_LIST_SET m
301 set_kernel_config CONFIG_IP_SET_LIST_SET m
277 set_kernel_config CONFIG_NETFILTER_XTABLES m
302 set_kernel_config CONFIG_NETFILTER_XTABLES m
278 set_kernel_config CONFIG_NETFILTER_XTABLES m
303 set_kernel_config CONFIG_NETFILTER_XTABLES m
279 set_kernel_config CONFIG_NFT_BRIDGE_META m
304 set_kernel_config CONFIG_NFT_BRIDGE_META m
280 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
305 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
281 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
306 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
282 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
307 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
283 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
308 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
284 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
309 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
285 set_kernel_config CONFIG_NFT_COMPAT m
310 set_kernel_config CONFIG_NFT_COMPAT m
286 set_kernel_config CONFIG_NFT_COUNTER m
311 set_kernel_config CONFIG_NFT_COUNTER m
287 set_kernel_config CONFIG_NFT_CT m
312 set_kernel_config CONFIG_NFT_CT m
288 set_kernel_config CONFIG_NFT_DUP_IPV4 m
313 set_kernel_config CONFIG_NFT_DUP_IPV4 m
289 set_kernel_config CONFIG_NFT_DUP_IPV6 m
314 set_kernel_config CONFIG_NFT_DUP_IPV6 m
290 set_kernel_config CONFIG_NFT_DUP_NETDEV m
315 set_kernel_config CONFIG_NFT_DUP_NETDEV m
291 set_kernel_config CONFIG_NFT_EXTHDR m
316 set_kernel_config CONFIG_NFT_EXTHDR m
292 set_kernel_config CONFIG_NFT_FWD_NETDEV m
317 set_kernel_config CONFIG_NFT_FWD_NETDEV m
293 set_kernel_config CONFIG_NFT_HASH m
318 set_kernel_config CONFIG_NFT_HASH m
294 set_kernel_config CONFIG_NFT_LIMIT m
319 set_kernel_config CONFIG_NFT_LIMIT m
295 set_kernel_config CONFIG_NFT_LOG m
320 set_kernel_config CONFIG_NFT_LOG m
296 set_kernel_config CONFIG_NFT_MASQ m
321 set_kernel_config CONFIG_NFT_MASQ m
297 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
322 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
298 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
323 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
299 set_kernel_config CONFIG_NFT_META m
324 set_kernel_config CONFIG_NFT_META m
300 set_kernel_config CONFIG_NFT_NAT m
325 set_kernel_config CONFIG_NFT_NAT m
301 set_kernel_config CONFIG_NFT_NUMGEN m
326 set_kernel_config CONFIG_NFT_NUMGEN m
302 set_kernel_config CONFIG_NFT_QUEUE m
327 set_kernel_config CONFIG_NFT_QUEUE m
303 set_kernel_config CONFIG_NFT_QUOTA m
328 set_kernel_config CONFIG_NFT_QUOTA m
304 set_kernel_config CONFIG_NFT_REDIR m
329 set_kernel_config CONFIG_NFT_REDIR m
305 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
330 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
306 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
331 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
307 set_kernel_config CONFIG_NFT_REJECT m
332 set_kernel_config CONFIG_NFT_REJECT m
308 set_kernel_config CONFIG_NFT_REJECT_INET m
333 set_kernel_config CONFIG_NFT_REJECT_INET m
309 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
334 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
310 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
335 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
311 set_kernel_config CONFIG_NFT_SET_HASH m
336 set_kernel_config CONFIG_NFT_SET_HASH m
312 set_kernel_config CONFIG_NFT_SET_RBTREE m
337 set_kernel_config CONFIG_NFT_SET_RBTREE m
313 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
338 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
314 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
339 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
315 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
340 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
316 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
341 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
317 set_kernel_config CONFIG_NF_DUP_IPV4 m
342 set_kernel_config CONFIG_NF_DUP_IPV4 m
318 set_kernel_config CONFIG_NF_DUP_IPV6 m
343 set_kernel_config CONFIG_NF_DUP_IPV6 m
319 set_kernel_config CONFIG_NF_DUP_NETDEV m
344 set_kernel_config CONFIG_NF_DUP_NETDEV m
320 set_kernel_config CONFIG_NF_LOG_BRIDGE m
345 set_kernel_config CONFIG_NF_LOG_BRIDGE m
321 set_kernel_config CONFIG_NF_LOG_IPV4 m
346 set_kernel_config CONFIG_NF_LOG_IPV4 m
322 set_kernel_config CONFIG_NF_LOG_IPV6 m
347 set_kernel_config CONFIG_NF_LOG_IPV6 m
323 set_kernel_config CONFIG_NF_NAT_IPV4 m
348 set_kernel_config CONFIG_NF_NAT_IPV4 m
324 set_kernel_config CONFIG_NF_NAT_IPV6 m
349 set_kernel_config CONFIG_NF_NAT_IPV6 m
325 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
350 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
326 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
351 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
327 set_kernel_config CONFIG_NF_NAT_PPTP m
352 set_kernel_config CONFIG_NF_NAT_PPTP m
328 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
353 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
329 set_kernel_config CONFIG_NF_NAT_REDIRECT m
354 set_kernel_config CONFIG_NF_NAT_REDIRECT m
330 set_kernel_config CONFIG_NF_NAT_SIP m
355 set_kernel_config CONFIG_NF_NAT_SIP m
331 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
356 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
332 set_kernel_config CONFIG_NF_NAT_TFTP m
357 set_kernel_config CONFIG_NF_NAT_TFTP m
333 set_kernel_config CONFIG_NF_REJECT_IPV4 m
358 set_kernel_config CONFIG_NF_REJECT_IPV4 m
334 set_kernel_config CONFIG_NF_REJECT_IPV6 m
359 set_kernel_config CONFIG_NF_REJECT_IPV6 m
335 set_kernel_config CONFIG_NF_TABLES m
360 set_kernel_config CONFIG_NF_TABLES m
336 set_kernel_config CONFIG_NF_TABLES_ARP m
361 set_kernel_config CONFIG_NF_TABLES_ARP m
337 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
362 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
338 set_kernel_config CONFIG_NF_TABLES_INET m
363 set_kernel_config CONFIG_NF_TABLES_INET m
339 set_kernel_config CONFIG_NF_TABLES_IPV4 m
364 set_kernel_config CONFIG_NF_TABLES_IPV4 m
340 set_kernel_config CONFIG_NF_TABLES_IPV6 m
365 set_kernel_config CONFIG_NF_TABLES_IPV6 m
341 set_kernel_config CONFIG_NF_TABLES_NETDEV m
366 set_kernel_config CONFIG_NF_TABLES_NETDEV m
342 fi
367 fi
343
368
344 # 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
369 # Enables BPF syscall for systemd-journald see https://github.com/torvalds/linux/blob/master/init/Kconfig#L848 or https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA
345 if [ "$KERNEL_BPF" = true ] ; then
370 if [ "$KERNEL_BPF" = true ] ; then
346 set_kernel_config CONFIG_BPF_SYSCALL y
371 set_kernel_config CONFIG_BPF_SYSCALL y
347 set_kernel_config CONFIG_BPF_EVENTS y
372 set_kernel_config CONFIG_BPF_EVENTS y
348 set_kernel_config CONFIG_BPF_STREAM_PARSER y
373 set_kernel_config CONFIG_BPF_STREAM_PARSER y
349 set_kernel_config CONFIG_CGROUP_BPF y
374 set_kernel_config CONFIG_CGROUP_BPF y
350 fi
375 fi
351
376
352 # KERNEL_DEFAULT_GOV was set by user
377 # KERNEL_DEFAULT_GOV was set by user
353 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
378 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
354
379
355 case "$KERNEL_DEFAULT_GOV" in
380 case "$KERNEL_DEFAULT_GOV" in
356 performance)
381 performance)
357 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
382 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
358 ;;
383 ;;
359 userspace)
384 userspace)
360 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
385 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
361 ;;
386 ;;
362 ondemand)
387 ondemand)
363 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
388 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
364 ;;
389 ;;
365 conservative)
390 conservative)
366 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
391 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
367 ;;
392 ;;
368 shedutil)
393 shedutil)
369 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
394 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
370 ;;
395 ;;
371 *)
396 *)
372 echo "error: unsupported default cpu governor"
397 echo "error: unsupported default cpu governor"
373 exit 1
398 exit 1
374 ;;
399 ;;
375 esac
400 esac
376
401
377 # unset previous default governor
402 # unset previous default governor
378 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
403 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
379 fi
404 fi
380
405
381 #Revert to previous directory
406 #Revert to previous directory
382 cd "${WORKDIR}" || exit
407 cd "${WORKDIR}" || exit
383
408
384 # Set kernel configuration parameters to enable qemu emulation
409 # Set kernel configuration parameters to enable qemu emulation
385 if [ "$ENABLE_QEMU" = true ] ; then
410 if [ "$ENABLE_QEMU" = true ] ; then
386 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
411 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
387 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
412 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
388
413
389 if [ "$ENABLE_CRYPTFS" = true ] ; then
414 if [ "$ENABLE_CRYPTFS" = true ] ; then
390 {
415 {
391 echo "CONFIG_EMBEDDED=y"
416 echo "CONFIG_EMBEDDED=y"
392 echo "CONFIG_EXPERT=y"
417 echo "CONFIG_EXPERT=y"
393 echo "CONFIG_DAX=y"
418 echo "CONFIG_DAX=y"
394 echo "CONFIG_MD=y"
419 echo "CONFIG_MD=y"
395 echo "CONFIG_BLK_DEV_MD=y"
420 echo "CONFIG_BLK_DEV_MD=y"
396 echo "CONFIG_MD_AUTODETECT=y"
421 echo "CONFIG_MD_AUTODETECT=y"
397 echo "CONFIG_BLK_DEV_DM=y"
422 echo "CONFIG_BLK_DEV_DM=y"
398 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
423 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
399 echo "CONFIG_DM_CRYPT=y"
424 echo "CONFIG_DM_CRYPT=y"
400 echo "CONFIG_CRYPTO_BLKCIPHER=y"
425 echo "CONFIG_CRYPTO_BLKCIPHER=y"
401 echo "CONFIG_CRYPTO_CBC=y"
426 echo "CONFIG_CRYPTO_CBC=y"
402 echo "CONFIG_CRYPTO_XTS=y"
427 echo "CONFIG_CRYPTO_XTS=y"
403 echo "CONFIG_CRYPTO_SHA512=y"
428 echo "CONFIG_CRYPTO_SHA512=y"
404 echo "CONFIG_CRYPTO_MANAGER=y"
429 echo "CONFIG_CRYPTO_MANAGER=y"
405 } >> "${KERNEL_DIR}"/.config
430 } >> "${KERNEL_DIR}"/.config
406 fi
431 fi
407 fi
432 fi
408
433
409 # Copy custom kernel configuration file
434 # Copy custom kernel configuration file
410 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
435 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
411 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
436 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
412 fi
437 fi
413
438
414 # Set kernel configuration parameters to their default values
439 # Set kernel configuration parameters to their default values
415 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
440 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
416 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
441 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
417 fi
442 fi
418
443
419 # Start menu-driven kernel configuration (interactive)
444 # Start menu-driven kernel configuration (interactive)
420 if [ "$KERNEL_MENUCONFIG" = true ] ; then
445 if [ "$KERNEL_MENUCONFIG" = true ] ; then
421 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
446 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
422 fi
447 fi
423 # end if "$KERNELSRC_CONFIG" = true
448 # end if "$KERNELSRC_CONFIG" = true
424 fi
449 fi
425
450
426 # Use ccache to cross compile the kernel
451 # Use ccache to cross compile the kernel
427 if [ "$KERNEL_CCACHE" = true ] ; then
452 if [ "$KERNEL_CCACHE" = true ] ; then
428 cc="ccache ${CROSS_COMPILE}gcc"
453 cc="ccache ${CROSS_COMPILE}gcc"
429 else
454 else
430 cc="${CROSS_COMPILE}gcc"
455 cc="${CROSS_COMPILE}gcc"
431 fi
456 fi
432
457
433 # Cross compile kernel and dtbs
458 # Cross compile kernel and dtbs
434 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
459 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
435
460
436 # Cross compile kernel modules
461 # Cross compile kernel modules
437 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
462 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
438 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
463 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
439 fi
464 fi
440 # end if "$KERNELSRC_PREBUILT" = false
465 # end if "$KERNELSRC_PREBUILT" = false
441 fi
466 fi
442
467
443 # Check if kernel compilation was successful
468 # Check if kernel compilation was successful
444 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
469 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
445 echo "error: kernel compilation failed! (kernel image not found)"
470 echo "error: kernel compilation failed! (kernel image not found)"
446 cleanup
471 cleanup
447 exit 1
472 exit 1
448 fi
473 fi
449
474
450 # Install kernel modules
475 # Install kernel modules
451 if [ "$ENABLE_REDUCE" = true ] ; then
476 if [ "$ENABLE_REDUCE" = true ] ; then
452 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
477 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
453 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
478 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
454 fi
479 fi
455 else
480 else
456 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
481 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
457 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
482 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
458 fi
483 fi
459
484
460 # Install kernel firmware
485 # Install kernel firmware
461 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
486 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
462 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
487 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
463 fi
488 fi
464 fi
489 fi
465
490
466 # Install kernel headers
491 # Install kernel headers
467 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
492 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
468 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
493 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
469 fi
494 fi
470
495
471 # Prepare boot (firmware) directory
496 # Prepare boot (firmware) directory
472 mkdir "${BOOT_DIR}"
497 mkdir "${BOOT_DIR}"
473
498
474 # Get kernel release version
499 # Get kernel release version
475 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
500 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
476
501
477 # Copy kernel configuration file to the boot directory
502 # Copy kernel configuration file to the boot directory
478 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
503 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
479
504
480 # Prepare device tree directory
505 # Prepare device tree directory
481 mkdir "${BOOT_DIR}/overlays"
506 mkdir "${BOOT_DIR}/overlays"
482
507
483 # Ensure the proper .dtb is located
508 # Ensure the proper .dtb is located
484 if [ "$KERNEL_ARCH" = "arm" ] ; then
509 if [ "$KERNEL_ARCH" = "arm" ] ; then
485 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
510 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
486 if [ -f "${dtb}" ] ; then
511 if [ -f "${dtb}" ] ; then
487 install_readonly "${dtb}" "${BOOT_DIR}/"
512 install_readonly "${dtb}" "${BOOT_DIR}/"
488 fi
513 fi
489 done
514 done
490 else
515 else
491 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
516 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
492 if [ -f "${dtb}" ] ; then
517 if [ -f "${dtb}" ] ; then
493 install_readonly "${dtb}" "${BOOT_DIR}/"
518 install_readonly "${dtb}" "${BOOT_DIR}/"
494 fi
519 fi
495 done
520 done
496 fi
521 fi
497
522
498 # Copy compiled dtb device tree files
523 # Copy compiled dtb device tree files
499 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
524 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
500 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
525 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
501 if [ -f "${dtb}" ] ; then
526 if [ -f "${dtb}" ] ; then
502 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
527 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
503 fi
528 fi
504 done
529 done
505
530
506 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
531 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
507 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
532 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
508 fi
533 fi
509 fi
534 fi
510
535
511 if [ "$ENABLE_UBOOT" = false ] ; then
536 if [ "$ENABLE_UBOOT" = false ] ; then
512 # Convert and copy kernel image to the boot directory
537 # Convert and copy kernel image to the boot directory
513 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
538 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
514 else
539 else
515 # Copy kernel image to the boot directory
540 # Copy kernel image to the boot directory
516 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
541 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
517 fi
542 fi
518
543
519 # Remove kernel sources
544 # Remove kernel sources
520 if [ "$KERNEL_REMOVESRC" = true ] ; then
545 if [ "$KERNEL_REMOVESRC" = true ] ; then
521 rm -fr "${KERNEL_DIR}"
546 rm -fr "${KERNEL_DIR}"
522 else
547 else
523 # Prepare compiled kernel modules
548 # Prepare compiled kernel modules
524 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
549 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
525 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
550 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
526 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
551 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
527 fi
552 fi
528
553
529 # Create symlinks for kernel modules
554 # Create symlinks for kernel modules
530 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
555 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
531 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
556 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
532 fi
557 fi
533 fi
558 fi
534
559
535 else # BUILD_KERNEL=false
560 else # BUILD_KERNEL=false
536 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
561 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
537
562
538 # Use Sakakis modified kernel if ZSWAP is active
563 # Use Sakakis modified kernel if ZSWAP is active
539 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
564 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
540 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
565 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
541 fi
566 fi
542
567
543 # Create temporary directory for dl
568 # Create temporary directory for dl
544 temp_dir=$(as_nobody mktemp -d)
569 temp_dir=$(as_nobody mktemp -d)
545
570
546 # Fetch kernel dl
571 # Fetch kernel dl
547 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
572 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
548
573
549 #extract download
574 #extract download
550 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
575 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
551
576
552 #move extracted kernel to /boot/firmware
577 #move extracted kernel to /boot/firmware
553 mkdir "${R}/boot/firmware"
578 mkdir "${R}/boot/firmware"
554 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
579 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
555 cp -r "${temp_dir}"/lib/* "${R}"/lib/
580 cp -r "${temp_dir}"/lib/* "${R}"/lib/
556
581
557 # Remove temporary directory for kernel sources
582 # Remove temporary directory for kernel sources
558 rm -fr "${temp_dir}"
583 rm -fr "${temp_dir}"
559
584
560 # Set permissions of the kernel sources
585 # Set permissions of the kernel sources
561 chown -R root:root "${R}/boot/firmware"
586 chown -R root:root "${R}/boot/firmware"
562 chown -R root:root "${R}/lib/modules"
587 chown -R root:root "${R}/lib/modules"
563 fi
588 fi
564
589
565 # Install Kernel from hypriot comptabile with all Raspberry PI
590 # Install Kernel from hypriot comptabile with all Raspberry PI
566 if [ "$SET_ARCH" = 32 ] ; then
591 if [ "$SET_ARCH" = 32 ] ; then
567 # Create temporary directory for dl
592 # Create temporary directory for dl
568 temp_dir=$(as_nobody mktemp -d)
593 temp_dir=$(as_nobody mktemp -d)
569
594
570 # Fetch kernel
595 # Fetch kernel
571 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
596 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
572
597
573 # Copy downloaded U-Boot sources
598 # Copy downloaded U-Boot sources
574 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
599 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
575
600
576 # Set permissions
601 # Set permissions
577 chown -R root:root "${R}"/tmp/kernel.deb
602 chown -R root:root "${R}"/tmp/kernel.deb
578
603
579 # Install kernel
604 # Install kernel
580 chroot_exec dpkg -i /tmp/kernel.deb
605 chroot_exec dpkg -i /tmp/kernel.deb
581
606
582 # move /boot to /boot/firmware to fit script env.
607 # move /boot to /boot/firmware to fit script env.
583 #mkdir "${BOOT_DIR}"
608 #mkdir "${BOOT_DIR}"
584 mkdir "${temp_dir}"/firmware
609 mkdir "${temp_dir}"/firmware
585 mv "${R}"/boot/* "${temp_dir}"/firmware/
610 mv "${R}"/boot/* "${temp_dir}"/firmware/
586 mv "${temp_dir}"/firmware "${R}"/boot/
611 mv "${temp_dir}"/firmware "${R}"/boot/
587
612
588 #same for kernel headers
613 #same for kernel headers
589 if [ "$KERNEL_HEADERS" = true ] ; then
614 if [ "$KERNEL_HEADERS" = true ] ; then
590 # Fetch kernel header
615 # Fetch kernel header
591 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
616 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
592 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
617 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
593 chown -R root:root "${R}"/tmp/kernel-header.deb
618 chown -R root:root "${R}"/tmp/kernel-header.deb
594 # Install kernel header
619 # Install kernel header
595 chroot_exec dpkg -i /tmp/kernel-header.deb
620 chroot_exec dpkg -i /tmp/kernel-header.deb
596 rm -f "${R}"/tmp/kernel-header.deb
621 rm -f "${R}"/tmp/kernel-header.deb
597 fi
622 fi
598
623
599 # Remove temporary directory and files
624 # Remove temporary directory and files
600 rm -fr "${temp_dir}"
625 rm -fr "${temp_dir}"
601 rm -f "${R}"/tmp/kernel.deb
626 rm -f "${R}"/tmp/kernel.deb
602 fi
627 fi
603
628
604 # Check if kernel installation was successful
629 # Check if kernel installation was successful
605 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
630 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
606 if [ -z "$KERNEL" ] ; then
631 if [ -z "$KERNEL" ] ; then
607 echo "error: kernel installation failed! (/boot/kernel* not found)"
632 echo "error: kernel installation failed! (/boot/kernel* not found)"
608 cleanup
633 cleanup
609 exit 1
634 exit 1
610 fi
635 fi
611 fi
636 fi
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