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Raspi2-3_GenImage
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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
101 if [ "$KERNEL_ARCH" = arm64 ] ; then
101 if [ "$KERNEL_ARCH" = arm64 ] ; then
102 #Fix SD_DRIVER upstream and downstream mess in 64bit RPIdeb_config
102 #Fix SD_DRIVER upstream and downstream mess in 64bit RPIdeb_config
103 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - see https://www.raspberrypi.org/forums/viewtopic.php?t=210225
103 # use correct driver MMC_BCM2835_MMC instead of MMC_BCM2835_SDHOST - see https://www.raspberrypi.org/forums/viewtopic.php?t=210225
104 set_kernel_config CONFIG_MMC_BCM2835 n
104 set_kernel_config CONFIG_MMC_BCM2835 n
105 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
105 set_kernel_config CONFIG_MMC_SDHCI_IPROC n
106 set_kernel_config CONFIG_USB_DWC2 n
106 set_kernel_config CONFIG_USB_DWC2 n
107 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
107 sed -i "s|depends on MMC_BCM2835_MMC && MMC_BCM2835_DMA|depends on MMC_BCM2835_MMC|" "${KERNEL_DIR}"/drivers/mmc/host/Kconfig
108
108
109 #VLAN got disabled without reason in arm64bit
109 #VLAN got disabled without reason in arm64bit
110 set_kernel_config CONFIG_IPVLAN m
110 set_kernel_config CONFIG_IPVLAN m
111
111
112 #V4L2 sub-device userspace API
112 #V4L2 sub-device userspace API
113 #set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
113 #set_kernel_config CONFIG_VIDEO_V4L2_SUBDEV_API y
114 #VIDEO_MUX y
114 #VIDEO_MUX y
115 #VIDEO_XILINX n
115 #VIDEO_XILINX n
116 #VIDEO_XILINX_TPG n
116 #VIDEO_XILINX_TPG n
117 #VIDEO_ADV7180 m
117 #VIDEO_ADV7180 m
118
118
119 # GPIO-based bitbanging SPI Master
119 # GPIO-based bitbanging SPI Master
120 set_kernel_config CONFIG_SPI_GPIO m
120 set_kernel_config CONFIG_SPI_GPIO m
121 #SPI Slave protocol
121 #SPI Slave protocol
122 set_kernel_config CONFIG_SPI_SLAVE y
122 set_kernel_config CONFIG_SPI_SLAVE y
123 set_kernel_config CONFIG_SPI_SLAVE_TIME m
123 set_kernel_config CONFIG_SPI_SLAVE_TIME m
124 set_kernel_config CONFIG_SPI_SLAVE_SYSTEM_CONTROL m
124 set_kernel_config CONFIG_SPI_SLAVE_SYSTEM_CONTROL m
125
125
126 # Virtual (secure) IP: tunneling
126 # Virtual (secure) IP: tunneling
127 set_kernel_config CONFIG_NET_IPVTI m
127 set_kernel_config CONFIG_NET_IPVTI m
128
128
129 #Wlan driver debug info
129 #Wlan driver debug info
130 set_kernel_config CONFIG_BRCMDBG m
130 set_kernel_config CONFIG_BRCMDBG m
131
131
132 #GPIO WATCHDOG
132 #GPIO WATCHDOG
133 set_kernel_config CONFIG_GPIO_WATCHDOG m
133 set_kernel_config CONFIG_GPIO_WATCHDOG m
134
134
135 #Camera
135 #Camera
136 set_kernel_config VIDEO_BCM2835 m
136 set_kernel_config VIDEO_BCM2835 m
137 set_kernel_config VIDEO_BCM2835_UNICAM m
137 set_kernel_config VIDEO_BCM2835_UNICAM m
138 fi
138 fi
139
139
140 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
140 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
141 if [ "$KERNEL_ZSWAP" = true ] ; then
141 if [ "$KERNEL_ZSWAP" = true ] ; then
142 set_kernel_config CONFIG_ZPOOL y
142 set_kernel_config CONFIG_ZPOOL y
143 set_kernel_config CONFIG_ZSWAP y
143 set_kernel_config CONFIG_ZSWAP y
144 set_kernel_config CONFIG_ZBUD y
144 set_kernel_config CONFIG_ZBUD y
145 set_kernel_config CONFIG_Z3FOLD y
145 set_kernel_config CONFIG_Z3FOLD y
146 set_kernel_config CONFIG_ZSMALLOC y
146 set_kernel_config CONFIG_ZSMALLOC y
147 set_kernel_config CONFIG_PGTABLE_MAPPING y
147 set_kernel_config CONFIG_PGTABLE_MAPPING y
148 set_kernel_config CONFIG_LZO_COMPRESS y
148 set_kernel_config CONFIG_LZO_COMPRESS y
149
149
150 fi
150 fi
151
151
152 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
152 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
153 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
153 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] || [ "$RPI_MODEL" = 4 ]; } ; then
154 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
154 set_kernel_config CONFIG_HAVE_KVM_IRQCHIP y
155 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
155 set_kernel_config CONFIG_HAVE_KVM_ARCH_TLB_FLUSH_ALL y
156 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
156 set_kernel_config CONFIG_HAVE_KVM_CPU_RELAX_INTERCEPT y
157 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
157 set_kernel_config CONFIG_HAVE_KVM_EVENTFD y
158 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
158 set_kernel_config CONFIG_HAVE_KVM_IRQFD y
159 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
159 set_kernel_config CONFIG_HAVE_KVM_IRQ_ROUTING y
160 set_kernel_config CONFIG_HAVE_KVM_MSI y
160 set_kernel_config CONFIG_HAVE_KVM_MSI y
161 set_kernel_config CONFIG_KVM y
161 set_kernel_config CONFIG_KVM y
162 set_kernel_config CONFIG_KVM_ARM_HOST y
162 set_kernel_config CONFIG_KVM_ARM_HOST y
163 set_kernel_config CONFIG_KVM_ARM_PMU y
163 set_kernel_config CONFIG_KVM_ARM_PMU y
164 set_kernel_config CONFIG_KVM_COMPAT y
164 set_kernel_config CONFIG_KVM_COMPAT y
165 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
165 set_kernel_config CONFIG_KVM_GENERIC_DIRTYLOG_READ_PROTECT y
166 set_kernel_config CONFIG_KVM_MMIO y
166 set_kernel_config CONFIG_KVM_MMIO y
167 set_kernel_config CONFIG_KVM_VFIO y
167 set_kernel_config CONFIG_KVM_VFIO y
168 set_kernel_config CONFIG_VHOST m
168 set_kernel_config CONFIG_VHOST m
169 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
169 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
170 set_kernel_config CONFIG_VHOST_NET m
170 set_kernel_config CONFIG_VHOST_NET m
171 set_kernel_config CONFIG_VIRTUALIZATION y
171 set_kernel_config CONFIG_VIRTUALIZATION y
172
172
173 set_kernel_config CONFIG_MMU_NOTIFIER y
173 set_kernel_config CONFIG_MMU_NOTIFIER y
174
174
175 # erratum
175 # erratum
176 set_kernel_config ARM64_ERRATUM_834220 y
176 set_kernel_config ARM64_ERRATUM_834220 y
177
177
178 # https://sourceforge.net/p/kvm/mailman/message/18440797/
178 # https://sourceforge.net/p/kvm/mailman/message/18440797/
179 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
179 set_kernel_config CONFIG_PREEMPT_NOTIFIERS y
180 fi
180 fi
181
181
182 # enable apparmor,integrity audit,
182 # enable apparmor,integrity audit,
183 if [ "$KERNEL_SECURITY" = true ] ; then
183 if [ "$KERNEL_SECURITY" = true ] ; then
184
184
185 # security filesystem, security models and audit
185 # security filesystem, security models and audit
186 set_kernel_config CONFIG_SECURITYFS y
186 set_kernel_config CONFIG_SECURITYFS y
187 set_kernel_config CONFIG_SECURITY y
187 set_kernel_config CONFIG_SECURITY y
188 set_kernel_config CONFIG_AUDIT y
188 set_kernel_config CONFIG_AUDIT y
189
189
190 # harden strcpy and memcpy
190 # harden strcpy and memcpy
191 set_kernel_config CONFIG_HARDENED_USERCOPY y
191 set_kernel_config CONFIG_HARDENED_USERCOPY y
192 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
192 set_kernel_config CONFIG_HAVE_HARDENED_USERCOPY_ALLOCATOR y
193 set_kernel_config CONFIG_FORTIFY_SOURCE y
193 set_kernel_config CONFIG_FORTIFY_SOURCE y
194
194
195 # integrity sub-system
195 # integrity sub-system
196 set_kernel_config CONFIG_INTEGRITY y
196 set_kernel_config CONFIG_INTEGRITY y
197 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
197 set_kernel_config CONFIG_INTEGRITY_ASYMMETRIC_KEYS y
198 set_kernel_config CONFIG_INTEGRITY_AUDIT y
198 set_kernel_config CONFIG_INTEGRITY_AUDIT y
199 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
199 set_kernel_config CONFIG_INTEGRITY_SIGNATURE y
200 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
200 set_kernel_config CONFIG_INTEGRITY_TRUSTED_KEYRING y
201
201
202 # This option provides support for retaining authentication tokens and access keys in the kernel.
202 # This option provides support for retaining authentication tokens and access keys in the kernel.
203 set_kernel_config CONFIG_KEYS y
203 set_kernel_config CONFIG_KEYS y
204 set_kernel_config CONFIG_KEYS_COMPAT y
204 set_kernel_config CONFIG_KEYS_COMPAT y
205
205
206 # Apparmor
206 # Apparmor
207 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
207 set_kernel_config CONFIG_SECURITY_APPARMOR_BOOTPARAM_VALUE 0
208 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
208 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH_DEFAULT y
209 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
209 set_kernel_config CONFIG_DEFAULT_SECURITY_APPARMOR y
210 set_kernel_config CONFIG_SECURITY_APPARMOR y
210 set_kernel_config CONFIG_SECURITY_APPARMOR y
211 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
211 set_kernel_config CONFIG_SECURITY_APPARMOR_HASH y
212 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
212 set_kernel_config CONFIG_DEFAULT_SECURITY "apparmor"
213
213
214 # restrictions on unprivileged users reading the kernel
214 # restrictions on unprivileged users reading the kernel
215 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
215 set_kernel_config CONFIG_SECURITY_DMESG_RESTRICT y
216
216
217 # network security hooks
217 # network security hooks
218 set_kernel_config CONFIG_SECURITY_NETWORK y
218 set_kernel_config CONFIG_SECURITY_NETWORK y
219 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
219 set_kernel_config CONFIG_SECURITY_NETWORK_XFRM y
220 set_kernel_config CONFIG_SECURITY_PATH y
220 set_kernel_config CONFIG_SECURITY_PATH y
221 set_kernel_config CONFIG_SECURITY_YAMA n
221 set_kernel_config CONFIG_SECURITY_YAMA n
222
222
223 # New Options
223 # New Options
224 if [ "$KERNEL_NF" = true ] ; then
224 if [ "$KERNEL_NF" = true ] ; then
225 set_kernel_config CONFIG_IP_NF_SECURITY m
225 set_kernel_config CONFIG_IP_NF_SECURITY m
226 set_kernel_config CONFIG_NETLABEL y
226 set_kernel_config CONFIG_NETLABEL y
227 set_kernel_config CONFIG_IP6_NF_SECURITY m
227 set_kernel_config CONFIG_IP6_NF_SECURITY m
228 fi
228 fi
229 set_kernel_config CONFIG_SECURITY_SELINUX n
229 set_kernel_config CONFIG_SECURITY_SELINUX n
230 set_kernel_config CONFIG_SECURITY_SMACK n
230 set_kernel_config CONFIG_SECURITY_SMACK n
231 set_kernel_config CONFIG_SECURITY_TOMOYO n
231 set_kernel_config CONFIG_SECURITY_TOMOYO n
232 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
232 set_kernel_config CONFIG_SECURITY_APPARMOR_DEBUG n
233 set_kernel_config CONFIG_SECURITY_LOADPIN n
233 set_kernel_config CONFIG_SECURITY_LOADPIN n
234 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
234 set_kernel_config CONFIG_HARDENED_USERCOPY_PAGESPAN n
235 set_kernel_config CONFIG_IMA n
235 set_kernel_config CONFIG_IMA n
236 set_kernel_config CONFIG_EVM n
236 set_kernel_config CONFIG_EVM n
237 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
237 set_kernel_config CONFIG_FANOTIFY_ACCESS_PERMISSIONS y
238 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
238 set_kernel_config CONFIG_NFSD_V4_SECURITY_LABEL y
239 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
239 set_kernel_config CONFIG_PKCS7_MESSAGE_PARSER y
240 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
240 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYRING y
241 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
241 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS y
242 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
242 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE y
243 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
243 set_kernel_config CONFIG_SECONDARY_TRUSTED_KEYRING y
244 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
244 set_kernel_config CONFIG_IMA_KEYRINGS_PERMIT_SIGNED_BY_BUILTIN_OR_SECONDARY n
245 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
245 set_kernel_config CONFIG_SYSTEM_TRUSTED_KEYS m
246 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
246 set_kernel_config CONFIG_SYSTEM_EXTRA_CERTIFICATE_SIZE 4096
247
247
248 set_kernel_config CONFIG_ARM64_CRYPTO y
248 set_kernel_config CONFIG_ARM64_CRYPTO y
249 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
249 set_kernel_config CONFIG_CRYPTO_SHA256_ARM64 m
250 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
250 set_kernel_config CONFIG_CRYPTO_SHA512_ARM64 m
251 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
251 set_kernel_config CONFIG_CRYPTO_SHA1_ARM64_CE m
252 set_kernel_config CRYPTO_GHASH_ARM64_CE m
252 set_kernel_config CRYPTO_GHASH_ARM64_CE m
253 set_kernel_config CRYPTO_SHA2_ARM64_CE m
253 set_kernel_config CRYPTO_SHA2_ARM64_CE m
254 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
254 set_kernel_config CONFIG_CRYPTO_CRCT10DIF_ARM64_CE m
255 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
255 set_kernel_config CONFIG_CRYPTO_CRC32_ARM64_CE m
256 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
256 set_kernel_config CONFIG_CRYPTO_AES_ARM64 m
257 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
257 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE m
258 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
258 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_CCM y
259 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
259 set_kernel_config CONFIG_CRYPTO_AES_ARM64_CE_BLK y
260 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
260 set_kernel_config CONFIG_CRYPTO_AES_ARM64_NEON_BLK m
261 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
261 set_kernel_config CONFIG_CRYPTO_CHACHA20_NEON m
262 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
262 set_kernel_config CONFIG_CRYPTO_AES_ARM64_BS m
263 set_kernel_config SYSTEM_TRUSTED_KEYS
263 set_kernel_config SYSTEM_TRUSTED_KEYS
264 fi
264 fi
265
265
266 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
266 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
267 if [ "$KERNEL_NF" = true ] ; then
267 if [ "$KERNEL_NF" = true ] ; then
268 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
268 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
269 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
269 set_kernel_config CONFIG_NETFILTER_XT_TARGET_AUDIT m
270 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
270 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
271 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
271 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
272 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
272 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
273 set_kernel_config CONFIG_NFT_FIB_INET m
273 set_kernel_config CONFIG_NFT_FIB_INET m
274 set_kernel_config CONFIG_NFT_FIB_IPV4 m
274 set_kernel_config CONFIG_NFT_FIB_IPV4 m
275 set_kernel_config CONFIG_NFT_FIB_IPV6 m
275 set_kernel_config CONFIG_NFT_FIB_IPV6 m
276 set_kernel_config CONFIG_NFT_FIB_NETDEV m
276 set_kernel_config CONFIG_NFT_FIB_NETDEV m
277 set_kernel_config CONFIG_NFT_OBJREF m
277 set_kernel_config CONFIG_NFT_OBJREF m
278 set_kernel_config CONFIG_NFT_RT m
278 set_kernel_config CONFIG_NFT_RT m
279 set_kernel_config CONFIG_NFT_SET_BITMAP m
279 set_kernel_config CONFIG_NFT_SET_BITMAP m
280 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
280 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
281 set_kernel_config CONFIG_NF_LOG_ARP m
281 set_kernel_config CONFIG_NF_LOG_ARP m
282 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
282 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
283 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
283 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
284 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
284 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
285 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
285 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
286 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
286 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
287 set_kernel_config CONFIG_IP6_NF_IPTABLES m
287 set_kernel_config CONFIG_IP6_NF_IPTABLES m
288 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
288 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
289 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
289 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
290 set_kernel_config CONFIG_IP6_NF_NAT m
290 set_kernel_config CONFIG_IP6_NF_NAT m
291 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
291 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
292 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
292 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
293 set_kernel_config CONFIG_IP_NF_SECURITY m
293 set_kernel_config CONFIG_IP_NF_SECURITY m
294 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
294 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
295 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
295 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
296 set_kernel_config CONFIG_IP_SET_HASH_IP m
296 set_kernel_config CONFIG_IP_SET_HASH_IP m
297 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
297 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
298 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
298 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
299 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
299 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
300 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
300 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
301 set_kernel_config CONFIG_IP_SET_HASH_MAC m
301 set_kernel_config CONFIG_IP_SET_HASH_MAC m
302 set_kernel_config CONFIG_IP_SET_HASH_NET m
302 set_kernel_config CONFIG_IP_SET_HASH_NET m
303 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
303 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
304 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
304 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
305 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
305 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
306 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
306 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
307 set_kernel_config CONFIG_IP_SET_LIST_SET m
307 set_kernel_config CONFIG_IP_SET_LIST_SET m
308 set_kernel_config CONFIG_NETFILTER_XTABLES m
308 set_kernel_config CONFIG_NETFILTER_XTABLES m
309 set_kernel_config CONFIG_NETFILTER_XTABLES m
309 set_kernel_config CONFIG_NETFILTER_XTABLES m
310 set_kernel_config CONFIG_NFT_BRIDGE_META m
310 set_kernel_config CONFIG_NFT_BRIDGE_META m
311 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
311 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
312 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
312 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
313 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
313 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
314 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
314 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
315 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
315 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
316 set_kernel_config CONFIG_NFT_COMPAT m
316 set_kernel_config CONFIG_NFT_COMPAT m
317 set_kernel_config CONFIG_NFT_COUNTER m
317 set_kernel_config CONFIG_NFT_COUNTER m
318 set_kernel_config CONFIG_NFT_CT m
318 set_kernel_config CONFIG_NFT_CT m
319 set_kernel_config CONFIG_NFT_DUP_IPV4 m
319 set_kernel_config CONFIG_NFT_DUP_IPV4 m
320 set_kernel_config CONFIG_NFT_DUP_IPV6 m
320 set_kernel_config CONFIG_NFT_DUP_IPV6 m
321 set_kernel_config CONFIG_NFT_DUP_NETDEV m
321 set_kernel_config CONFIG_NFT_DUP_NETDEV m
322 set_kernel_config CONFIG_NFT_EXTHDR m
322 set_kernel_config CONFIG_NFT_EXTHDR m
323 set_kernel_config CONFIG_NFT_FWD_NETDEV m
323 set_kernel_config CONFIG_NFT_FWD_NETDEV m
324 set_kernel_config CONFIG_NFT_HASH m
324 set_kernel_config CONFIG_NFT_HASH m
325 set_kernel_config CONFIG_NFT_LIMIT m
325 set_kernel_config CONFIG_NFT_LIMIT m
326 set_kernel_config CONFIG_NFT_LOG m
326 set_kernel_config CONFIG_NFT_LOG m
327 set_kernel_config CONFIG_NFT_MASQ m
327 set_kernel_config CONFIG_NFT_MASQ m
328 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
328 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
329 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
329 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
330 set_kernel_config CONFIG_NFT_META m
330 set_kernel_config CONFIG_NFT_META m
331 set_kernel_config CONFIG_NFT_NAT m
331 set_kernel_config CONFIG_NFT_NAT m
332 set_kernel_config CONFIG_NFT_NUMGEN m
332 set_kernel_config CONFIG_NFT_NUMGEN m
333 set_kernel_config CONFIG_NFT_QUEUE m
333 set_kernel_config CONFIG_NFT_QUEUE m
334 set_kernel_config CONFIG_NFT_QUOTA m
334 set_kernel_config CONFIG_NFT_QUOTA m
335 set_kernel_config CONFIG_NFT_REDIR m
335 set_kernel_config CONFIG_NFT_REDIR m
336 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
336 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
337 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
337 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
338 set_kernel_config CONFIG_NFT_REJECT m
338 set_kernel_config CONFIG_NFT_REJECT m
339 set_kernel_config CONFIG_NFT_REJECT_INET m
339 set_kernel_config CONFIG_NFT_REJECT_INET m
340 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
340 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
341 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
341 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
342 set_kernel_config CONFIG_NFT_SET_HASH m
342 set_kernel_config CONFIG_NFT_SET_HASH m
343 set_kernel_config CONFIG_NFT_SET_RBTREE m
343 set_kernel_config CONFIG_NFT_SET_RBTREE m
344 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
344 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
345 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
345 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
346 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
346 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
347 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
347 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
348 set_kernel_config CONFIG_NF_DUP_IPV4 m
348 set_kernel_config CONFIG_NF_DUP_IPV4 m
349 set_kernel_config CONFIG_NF_DUP_IPV6 m
349 set_kernel_config CONFIG_NF_DUP_IPV6 m
350 set_kernel_config CONFIG_NF_DUP_NETDEV m
350 set_kernel_config CONFIG_NF_DUP_NETDEV m
351 set_kernel_config CONFIG_NF_LOG_BRIDGE m
351 set_kernel_config CONFIG_NF_LOG_BRIDGE m
352 set_kernel_config CONFIG_NF_LOG_IPV4 m
352 set_kernel_config CONFIG_NF_LOG_IPV4 m
353 set_kernel_config CONFIG_NF_LOG_IPV6 m
353 set_kernel_config CONFIG_NF_LOG_IPV6 m
354 set_kernel_config CONFIG_NF_NAT_IPV4 m
354 set_kernel_config CONFIG_NF_NAT_IPV4 m
355 set_kernel_config CONFIG_NF_NAT_IPV6 m
355 set_kernel_config CONFIG_NF_NAT_IPV6 m
356 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
356 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
357 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
357 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
358 set_kernel_config CONFIG_NF_NAT_PPTP m
358 set_kernel_config CONFIG_NF_NAT_PPTP m
359 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
359 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
360 set_kernel_config CONFIG_NF_NAT_REDIRECT m
360 set_kernel_config CONFIG_NF_NAT_REDIRECT m
361 set_kernel_config CONFIG_NF_NAT_SIP m
361 set_kernel_config CONFIG_NF_NAT_SIP m
362 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
362 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
363 set_kernel_config CONFIG_NF_NAT_TFTP m
363 set_kernel_config CONFIG_NF_NAT_TFTP m
364 set_kernel_config CONFIG_NF_REJECT_IPV4 m
364 set_kernel_config CONFIG_NF_REJECT_IPV4 m
365 set_kernel_config CONFIG_NF_REJECT_IPV6 m
365 set_kernel_config CONFIG_NF_REJECT_IPV6 m
366 set_kernel_config CONFIG_NF_TABLES m
366 set_kernel_config CONFIG_NF_TABLES m
367 set_kernel_config CONFIG_NF_TABLES_ARP m
367 set_kernel_config CONFIG_NF_TABLES_ARP m
368 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
368 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
369 set_kernel_config CONFIG_NF_TABLES_INET m
369 set_kernel_config CONFIG_NF_TABLES_INET m
370 set_kernel_config CONFIG_NF_TABLES_IPV4 m
370 set_kernel_config CONFIG_NF_TABLES_IPV4 m
371 set_kernel_config CONFIG_NF_TABLES_IPV6 m
371 set_kernel_config CONFIG_NF_TABLES_IPV6 m
372 set_kernel_config CONFIG_NF_TABLES_NETDEV m
372 set_kernel_config CONFIG_NF_TABLES_NETDEV m
373 fi
373 fi
374
374
375 # 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
375 # 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
376 if [ "$KERNEL_BPF" = true ] ; then
376 if [ "$KERNEL_BPF" = true ] ; then
377 set_kernel_config CONFIG_BPF_SYSCALL y
377 set_kernel_config CONFIG_BPF_SYSCALL y
378 set_kernel_config CONFIG_BPF_EVENTS y
378 set_kernel_config CONFIG_BPF_EVENTS y
379 set_kernel_config CONFIG_BPF_STREAM_PARSER y
379 set_kernel_config CONFIG_BPF_STREAM_PARSER y
380 set_kernel_config CONFIG_CGROUP_BPF y
380 set_kernel_config CONFIG_CGROUP_BPF y
381 fi
381 fi
382
382
383 # KERNEL_DEFAULT_GOV was set by user
383 # KERNEL_DEFAULT_GOV was set by user
384 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
384 if [ "$KERNEL_DEFAULT_GOV" != powersave ] && [ -n "$KERNEL_DEFAULT_GOV" ] ; then
385
385
386 case "$KERNEL_DEFAULT_GOV" in
386 case "$KERNEL_DEFAULT_GOV" in
387 performance)
387 performance)
388 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
388 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
389 ;;
389 ;;
390 userspace)
390 userspace)
391 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
391 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
392 ;;
392 ;;
393 ondemand)
393 ondemand)
394 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
394 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
395 ;;
395 ;;
396 conservative)
396 conservative)
397 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
397 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
398 ;;
398 ;;
399 shedutil)
399 shedutil)
400 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
400 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
401 ;;
401 ;;
402 *)
402 *)
403 echo "error: unsupported default cpu governor"
403 echo "error: unsupported default cpu governor"
404 exit 1
404 exit 1
405 ;;
405 ;;
406 esac
406 esac
407
407
408 # unset previous default governor
408 # unset previous default governor
409 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
409 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
410 fi
410 fi
411
411
412 #Revert to previous directory
412 #Revert to previous directory
413 cd "${WORKDIR}" || exit
413 cd "${WORKDIR}" || exit
414
414
415 # Set kernel configuration parameters to enable qemu emulation
415 # Set kernel configuration parameters to enable qemu emulation
416 if [ "$ENABLE_QEMU" = true ] ; then
416 if [ "$ENABLE_QEMU" = true ] ; then
417 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
417 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
418 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
418 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
419
419
420 if [ "$ENABLE_CRYPTFS" = true ] ; then
420 if [ "$ENABLE_CRYPTFS" = true ] ; then
421 {
421 {
422 echo "CONFIG_EMBEDDED=y"
422 echo "CONFIG_EMBEDDED=y"
423 echo "CONFIG_EXPERT=y"
423 echo "CONFIG_EXPERT=y"
424 echo "CONFIG_DAX=y"
424 echo "CONFIG_DAX=y"
425 echo "CONFIG_MD=y"
425 echo "CONFIG_MD=y"
426 echo "CONFIG_BLK_DEV_MD=y"
426 echo "CONFIG_BLK_DEV_MD=y"
427 echo "CONFIG_MD_AUTODETECT=y"
427 echo "CONFIG_MD_AUTODETECT=y"
428 echo "CONFIG_BLK_DEV_DM=y"
428 echo "CONFIG_BLK_DEV_DM=y"
429 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
429 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
430 echo "CONFIG_DM_CRYPT=y"
430 echo "CONFIG_DM_CRYPT=y"
431 echo "CONFIG_CRYPTO_BLKCIPHER=y"
431 echo "CONFIG_CRYPTO_BLKCIPHER=y"
432 echo "CONFIG_CRYPTO_CBC=y"
432 echo "CONFIG_CRYPTO_CBC=y"
433 echo "CONFIG_CRYPTO_XTS=y"
433 echo "CONFIG_CRYPTO_XTS=y"
434 echo "CONFIG_CRYPTO_SHA512=y"
434 echo "CONFIG_CRYPTO_SHA512=y"
435 echo "CONFIG_CRYPTO_MANAGER=y"
435 echo "CONFIG_CRYPTO_MANAGER=y"
436 } >> "${KERNEL_DIR}"/.config
436 } >> "${KERNEL_DIR}"/.config
437 fi
437 fi
438 fi
438 fi
439
439
440 # Copy custom kernel configuration file
440 # Copy custom kernel configuration file
441 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
441 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
442 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
442 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
443 fi
443 fi
444
444
445 # Set kernel configuration parameters to their default values
445 # Set kernel configuration parameters to their default values
446 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
446 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
447 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
447 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
448 fi
448 fi
449
449
450 # Start menu-driven kernel configuration (interactive)
450 # Start menu-driven kernel configuration (interactive)
451 if [ "$KERNEL_MENUCONFIG" = true ] ; then
451 if [ "$KERNEL_MENUCONFIG" = true ] ; then
452 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
452 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
453 fi
453 fi
454 # end if "$KERNELSRC_CONFIG" = true
454 # end if "$KERNELSRC_CONFIG" = true
455 fi
455 fi
456
456
457 # Use ccache to cross compile the kernel
457 # Use ccache to cross compile the kernel
458 if [ "$KERNEL_CCACHE" = true ] ; then
458 if [ "$KERNEL_CCACHE" = true ] ; then
459 cc="ccache ${CROSS_COMPILE}gcc"
459 cc="ccache ${CROSS_COMPILE}gcc"
460 else
460 else
461 cc="${CROSS_COMPILE}gcc"
461 cc="${CROSS_COMPILE}gcc"
462 fi
462 fi
463
463
464 # Cross compile kernel and dtbs
464 # Cross compile kernel and dtbs
465 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
465 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
466
466
467 # Cross compile kernel modules
467 # Cross compile kernel modules
468 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
468 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
469 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
469 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
470 fi
470 fi
471 # end if "$KERNELSRC_PREBUILT" = false
471 # end if "$KERNELSRC_PREBUILT" = false
472 fi
472 fi
473
473
474 # Check if kernel compilation was successful
474 # Check if kernel compilation was successful
475 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
475 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
476 echo "error: kernel compilation failed! (kernel image not found)"
476 echo "error: kernel compilation failed! (kernel image not found)"
477 cleanup
477 cleanup
478 exit 1
478 exit 1
479 fi
479 fi
480
480
481 # Install kernel modules
481 # Install kernel modules
482 if [ "$ENABLE_REDUCE" = true ] ; then
482 if [ "$ENABLE_REDUCE" = true ] ; then
483 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
483 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
484 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
484 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
485 fi
485 fi
486 else
486 else
487 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
487 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
488 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
488 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
489 fi
489 fi
490
490
491 # Install kernel firmware
491 # Install kernel firmware
492 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
492 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
493 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
493 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
494 fi
494 fi
495 fi
495 fi
496
496
497 # Install kernel headers
497 # Install kernel headers
498 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
498 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
499 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
499 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
500 fi
500 fi
501
501
502 # Prepare boot (firmware) directory
502 # Prepare boot (firmware) directory
503 mkdir "${BOOT_DIR}"
503 mkdir "${BOOT_DIR}"
504
504
505 # Get kernel release version
505 # Get kernel release version
506 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
506 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
507
507
508 # Copy kernel configuration file to the boot directory
508 # Copy kernel configuration file to the boot directory
509 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
509 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
510
510
511 # Prepare device tree directory
511 # Prepare device tree directory
512 mkdir "${BOOT_DIR}/overlays"
512 mkdir "${BOOT_DIR}/overlays"
513
513
514 # Ensure the proper .dtb is located
514 # Ensure the proper .dtb is located
515 if [ "$KERNEL_ARCH" = "arm" ] ; then
515 if [ "$KERNEL_ARCH" = "arm" ] ; then
516 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
516 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
517 if [ -f "${dtb}" ] ; then
517 if [ -f "${dtb}" ] ; then
518 install_readonly "${dtb}" "${BOOT_DIR}/"
518 install_readonly "${dtb}" "${BOOT_DIR}/"
519 fi
519 fi
520 done
520 done
521 else
521 else
522 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
522 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
523 if [ -f "${dtb}" ] ; then
523 if [ -f "${dtb}" ] ; then
524 install_readonly "${dtb}" "${BOOT_DIR}/"
524 install_readonly "${dtb}" "${BOOT_DIR}/"
525 fi
525 fi
526 done
526 done
527 fi
527 fi
528
528
529 # Copy compiled dtb device tree files
529 # Copy compiled dtb device tree files
530 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
530 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
531 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
531 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtbo ; do
532 if [ -f "${dtb}" ] ; then
532 if [ -f "${dtb}" ] ; then
533 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
533 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
534 fi
534 fi
535 done
535 done
536
536
537 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
537 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
538 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
538 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
539 fi
539 fi
540 fi
540 fi
541
541
542 if [ "$ENABLE_UBOOT" = false ] ; then
542 if [ "$ENABLE_UBOOT" = false ] ; then
543 # Convert and copy kernel image to the boot directory
543 # Convert and copy kernel image to the boot directory
544 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
544 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
545 else
545 else
546 # Copy kernel image to the boot directory
546 # Copy kernel image to the boot directory
547 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
547 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
548 fi
548 fi
549
549
550 # Remove kernel sources
550 # Remove kernel sources
551 if [ "$KERNEL_REMOVESRC" = true ] ; then
551 if [ "$KERNEL_REMOVESRC" = true ] ; then
552 rm -fr "${KERNEL_DIR}"
552 rm -fr "${KERNEL_DIR}"
553 else
553 else
554 # Prepare compiled kernel modules
554 # Prepare compiled kernel modules
555 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
555 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
556 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
556 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
557 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
557 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
558 fi
558 fi
559
559
560 # Create symlinks for kernel modules
560 # Create symlinks for kernel modules
561 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
561 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
562 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
562 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
563 fi
563 fi
564 fi
564 fi
565
565
566 else # BUILD_KERNEL=false
566 else # BUILD_KERNEL=false
567 if [ "$SET_ARCH" = 64 ]
567 if [ "$SET_ARCH" = 64 ]
568 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
568 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
569 # Use Sakakis modified kernel if ZSWAP is active
569 # Use Sakakis modified kernel if ZSWAP is active
570 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
570 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
571 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
571 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
572 fi
572 fi
573
573
574 # Create temporary directory for dl
574 # Create temporary directory for dl
575 temp_dir=$(as_nobody mktemp -d)
575 temp_dir=$(as_nobody mktemp -d)
576
576
577 # Fetch kernel dl
577 # Fetch kernel dl
578 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
578 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
579 fi
579 fi
580 if [ "$SET_ARCH" = 64 ] && [ "$RPI_MODEL" = 4 ] ; then
580 if [ "$SET_ARCH" = 64 ] && [ "$RPI_MODEL" = 4 ] ; then
581 # Create temporary directory for dl
581 # Create temporary directory for dl
582 temp_dir=$(as_nobody mktemp -d)
582 temp_dir=$(as_nobody mktemp -d)
583
583
584 # Fetch kernel dl
584 # Fetch kernel dl
585 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI4_64_KERNEL_URL"
585 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI4_64_KERNEL_URL"
586 fi
586 fi
587
587
588 #extract download
588 #extract download
589 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
589 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
590
590
591 #move extracted kernel to /boot/firmware
591 #move extracted kernel to /boot/firmware
592 mkdir "${R}/boot/firmware"
592 mkdir "${R}/boot/firmware"
593 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
593 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
594 cp -r "${temp_dir}"/lib/* "${R}"/lib/
594 cp -r "${temp_dir}"/lib/* "${R}"/lib/
595
595
596 # Remove temporary directory for kernel sources
596 # Remove temporary directory for kernel sources
597 rm -fr "${temp_dir}"
597 rm -fr "${temp_dir}"
598
598
599 # Set permissions of the kernel sources
599 # Set permissions of the kernel sources
600 chown -R root:root "${R}/boot/firmware"
600 chown -R root:root "${R}/boot/firmware"
601 chown -R root:root "${R}/lib/modules"
601 chown -R root:root "${R}/lib/modules"
602 fi
602 fi
603
603
604 # Install Kernel from hypriot comptabile with all Raspberry PI (dunno if its compatible with RPI4 - better compile your own kernel)
604 # Install Kernel from hypriot comptabile with all Raspberry PI (dunno if its compatible with RPI4 - better compile your own kernel)
605 if [ "$SET_ARCH" = 32 ] && [ "$RPI_MODEL" != 4 ] ; then
605 if [ "$SET_ARCH" = 32 ] && [ "$RPI_MODEL" != 4 ] ; then
606 # Create temporary directory for dl
606 # Create temporary directory for dl
607 temp_dir=$(as_nobody mktemp -d)
607 temp_dir=$(as_nobody mktemp -d)
608
608
609 # Fetch kernel
609 # Fetch kernel
610 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
610 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
611
611
612 # Copy downloaded kernel package
612 # Copy downloaded kernel package
613 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
613 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
614
614
615 # Set permissions
615 # Set permissions
616 chown -R root:root "${R}"/tmp/kernel.deb
616 chown -R root:root "${R}"/tmp/kernel.deb
617
617
618 # Install kernel
618 # Install kernel
619 chroot_exec dpkg -i /tmp/kernel.deb
619 chroot_exec dpkg -i /tmp/kernel.deb
620
620
621 # move /boot to /boot/firmware to fit script env.
621 # move /boot to /boot/firmware to fit script env.
622 #mkdir "${BOOT_DIR}"
622 #mkdir "${BOOT_DIR}"
623 mkdir "${temp_dir}"/firmware
623 mkdir "${temp_dir}"/firmware
624 mv "${R}"/boot/* "${temp_dir}"/firmware/
624 mv "${R}"/boot/* "${temp_dir}"/firmware/
625 mv "${temp_dir}"/firmware "${R}"/boot/
625 mv "${temp_dir}"/firmware "${R}"/boot/
626
626
627 #same for kernel headers
627 #same for kernel headers
628 if [ "$KERNEL_HEADERS" = true ] ; then
628 if [ "$KERNEL_HEADERS" = true ] ; then
629 # Fetch kernel header
629 # Fetch kernel header
630 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
630 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
631 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
631 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
632 chown -R root:root "${R}"/tmp/kernel-header.deb
632 chown -R root:root "${R}"/tmp/kernel-header.deb
633 # Install kernel header
633 # Install kernel header
634 chroot_exec dpkg -i /tmp/kernel-header.deb
634 chroot_exec dpkg -i /tmp/kernel-header.deb
635 rm -f "${R}"/tmp/kernel-header.deb
635 rm -f "${R}"/tmp/kernel-header.deb
636 fi
636 fi
637
637
638 # Remove temporary directory and files
638 # Remove temporary directory and files
639 rm -fr "${temp_dir}"
639 rm -fr "${temp_dir}"
640 rm -f "${R}"/tmp/kernel.deb
640 rm -f "${R}"/tmp/kernel.deb
641 fi
641 fi
642
642
643 # Check if kernel installation was successful
643 # Check if kernel installation was successful
644 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
644 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
645 if [ -z "$KERNEL" ] ; then
645 if [ -z "$KERNEL" ] ; then
646 echo "error: kernel installation failed! (/boot/kernel* not found)"
646 echo "error: kernel installation failed! (/boot/kernel* not found)"
647 cleanup
647 cleanup
648 exit 1
648 exit 1
649 fi
649 fi
650 fi
650 fi
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