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