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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 # Fetch and build latest raspberry kernel
8 # Fetch and build latest raspberry kernel
9 if [ "$BUILD_KERNEL" = true ] ; then
9 if [ "$BUILD_KERNEL" = true ] ; then
10 # Setup source directory
10 # Setup source directory
11 mkdir -p "${KERNEL_DIR}"
11 mkdir -p "${KERNEL_DIR}"
12
12
13 # Copy existing kernel sources into chroot directory
13 # Copy existing kernel sources into chroot directory
14 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
14 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
15 # Copy kernel sources and include hidden files
15 # Copy kernel sources and include hidden files
16 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
16 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
17
17
18 # Clean the kernel sources
18 # Clean the kernel sources
19 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
19 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
20 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
20 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
21 fi
21 fi
22 else # KERNELSRC_DIR=""
22 else # KERNELSRC_DIR=""
23 # Create temporary directory for kernel sources
23 # Create temporary directory for kernel sources
24 temp_dir=$(as_nobody mktemp -d)
24 temp_dir=$(as_nobody mktemp -d)
25
25
26 # Fetch current RPi2/3 kernel sources
26 # Fetch current RPi2/3 kernel sources
27 if [ -z "${KERNEL_BRANCH}" ] ; then
27 if [ -z "${KERNEL_BRANCH}" ] ; then
28 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
28 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
29 else
29 else
30 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
30 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
31 fi
31 fi
32
32
33 # Copy downloaded kernel sources
33 # Copy downloaded kernel sources
34 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
34 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
35
35
36 # Remove temporary directory for kernel sources
36 # Remove temporary directory for kernel sources
37 rm -fr "${temp_dir}"
37 rm -fr "${temp_dir}"
38
38
39 # Set permissions of the kernel sources
39 # Set permissions of the kernel sources
40 chown -R root:root "${R}/usr/src"
40 chown -R root:root "${R}/usr/src"
41 fi
41 fi
42
42
43 # Calculate optimal number of kernel building threads
43 # Calculate optimal number of kernel building threads
44 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
44 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
45 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
45 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
46 fi
46 fi
47
47
48 # Configure and build kernel
48 # Configure and build kernel
49 if [ "$KERNELSRC_PREBUILT" = false ] ; then
49 if [ "$KERNELSRC_PREBUILT" = false ] ; then
50 # Remove device, network and filesystem drivers from kernel configuration
50 # Remove device, network and filesystem drivers from kernel configuration
51 if [ "$KERNEL_REDUCE" = true ] ; then
51 if [ "$KERNEL_REDUCE" = true ] ; then
52 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
52 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
53 sed -i\
53 sed -i\
54 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
54 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
55 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
55 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
56 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
56 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
57 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
57 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
58 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
58 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
59 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
59 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
60 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
60 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
61 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
61 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
65 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
65 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
67 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
67 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
68 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
68 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
69 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
69 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
70 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
70 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
71 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
71 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
73 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
73 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
75 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
75 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
76 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
76 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
77 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
77 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
78 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
78 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
79 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
79 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
81 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
81 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
83 "${KERNEL_DIR}/.config"
83 "${KERNEL_DIR}/.config"
84 fi
84 fi
85
85
86 if [ "$KERNELSRC_CONFIG" = true ] ; then
86 if [ "$KERNELSRC_CONFIG" = true ] ; then
87 # Load default raspberry kernel configuration
87 # Load default raspberry kernel configuration
88 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
88 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
89 #Switch to KERNELSRC_DIR
89
90 #Switch to KERNELSRC_DIR so we can use set_kernel_config
90 cd "${KERNEL_DIR}"
91 cd "${KERNEL_DIR}"
91
92
92 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
93 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
93 if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
94 if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
94 set_kernel_config ZPOOL y
95 set_kernel_config ZPOOL y
95 set_kernel_config ZSWAP y
96 set_kernel_config ZSWAP y
96 set_kernel_config ZBUD y
97 set_kernel_config ZBUD y
97 set_kernel_config Z3FOLD y
98 set_kernel_config Z3FOLD y
98 set_kernel_config ZSMALLOC y
99 set_kernel_config ZSMALLOC y
99 set_kernel_config PGTABLE_MAPPING y
100 set_kernel_config PGTABLE_MAPPING y
100 fi
101 fi
101
102
102 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
103 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
103 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
104 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
104 set_kernel_config VIRTUALIZATION y
105 set_kernel_config VIRTUALIZATION y
105 set_kernel_config KVM y
106 set_kernel_config KVM y
106 set_kernel_config VHOST_NET m
107 set_kernel_config VHOST_NET m
107 set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y
108 set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y
108 fi
109 fi
109
110
110 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
111 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
111 if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
112 if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
112 set_kernel_config CONFIG_NETFILTER_XTABLES m
113 set_kernel_config CONFIG_NETFILTER_XTABLES m
113 set_kernel_config CONFIG_NF_DUP_NETDEV m
114 set_kernel_config CONFIG_NF_DUP_NETDEV m
114 set_kernel_config CONFIG_NF_NAT_SIP m
115 set_kernel_config CONFIG_NF_NAT_SIP m
115 set_kernel_config CONFIG_NF_TABLES_ARP m
116 set_kernel_config CONFIG_NF_TABLES_ARP m
116 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
117 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
117 set_kernel_config NF_TABLES m
118 set_kernel_config NF_TABLES m
118 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
119 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
119 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
120 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
120 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
121 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
121 set_kernel_config CONFIG_IP6_NF_IPTABLES m
122 set_kernel_config CONFIG_IP6_NF_IPTABLES m
122 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
123 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
123 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
124 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
124 set_kernel_config CONFIG_IP6_NF_NAT m
125 set_kernel_config CONFIG_IP6_NF_NAT m
125 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
126 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
126 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
127 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
127 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
128 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
128 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
129 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
129 set_kernel_config CONFIG_IP_SET_HASH_IP m
130 set_kernel_config CONFIG_IP_SET_HASH_IP m
130 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
131 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
131 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
132 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
132 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
133 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
133 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
134 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
134 set_kernel_config CONFIG_IP_SET_HASH_MAC m
135 set_kernel_config CONFIG_IP_SET_HASH_MAC m
135 set_kernel_config CONFIG_IP_SET_HASH_NET m
136 set_kernel_config CONFIG_IP_SET_HASH_NET m
136 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
137 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
137 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
138 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
138 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
139 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
139 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
140 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
140 set_kernel_config CONFIG_IP_SET_LIST_SET m
141 set_kernel_config CONFIG_IP_SET_LIST_SET m
141 set_kernel_config CONFIG_NFT_BRIDGE_META m
142 set_kernel_config CONFIG_NFT_BRIDGE_META m
142 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
143 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
143 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
144 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
144 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
145 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
145 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
146 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
146 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
147 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
147 set_kernel_config CONFIG_NFT_COMPAT m
148 set_kernel_config CONFIG_NFT_COMPAT m
148 set_kernel_config CONFIG_NFT_COUNTER m
149 set_kernel_config CONFIG_NFT_COUNTER m
149 set_kernel_config CONFIG_NFT_CT m
150 set_kernel_config CONFIG_NFT_CT m
150 set_kernel_config CONFIG_NFT_DUP_IPV4 m
151 set_kernel_config CONFIG_NFT_DUP_IPV4 m
151 set_kernel_config CONFIG_NFT_DUP_IPV6 m
152 set_kernel_config CONFIG_NFT_DUP_IPV6 m
152 set_kernel_config CONFIG_NFT_DUP_NETDEV m
153 set_kernel_config CONFIG_NFT_DUP_NETDEV m
153 set_kernel_config CONFIG_NFT_EXTHDR m
154 set_kernel_config CONFIG_NFT_EXTHDR m
154 set_kernel_config CONFIG_NFT_FWD_NETDEV m
155 set_kernel_config CONFIG_NFT_FWD_NETDEV m
155 set_kernel_config CONFIG_NFT_HASH m
156 set_kernel_config CONFIG_NFT_HASH m
156 set_kernel_config CONFIG_NFT_LIMIT m
157 set_kernel_config CONFIG_NFT_LIMIT m
157 set_kernel_config CONFIG_NFT_LOG m
158 set_kernel_config CONFIG_NFT_LOG m
158 set_kernel_config CONFIG_NFT_MASQ m
159 set_kernel_config CONFIG_NFT_MASQ m
159 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
160 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
160 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
161 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
161 set_kernel_config CONFIG_NFT_META m
162 set_kernel_config CONFIG_NFT_META m
162 set_kernel_config CONFIG_NFT_NAT m
163 set_kernel_config CONFIG_NFT_NAT m
163 set_kernel_config CONFIG_NFT_NUMGEN m
164 set_kernel_config CONFIG_NFT_NUMGEN m
164 set_kernel_config CONFIG_NFT_QUEUE m
165 set_kernel_config CONFIG_NFT_QUEUE m
165 set_kernel_config CONFIG_NFT_QUOTA m
166 set_kernel_config CONFIG_NFT_QUOTA m
166 set_kernel_config CONFIG_NFT_REDIR m
167 set_kernel_config CONFIG_NFT_REDIR m
167 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
168 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
168 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
169 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
169 set_kernel_config CONFIG_NFT_REJECT m
170 set_kernel_config CONFIG_NFT_REJECT m
170 set_kernel_config CONFIG_NFT_REJECT_INET m
171 set_kernel_config CONFIG_NFT_REJECT_INET m
171 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
172 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
172 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
173 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
173 set_kernel_config CONFIG_NFT_SET_HASH m
174 set_kernel_config CONFIG_NFT_SET_HASH m
174 set_kernel_config CONFIG_NFT_SET_RBTREE m
175 set_kernel_config CONFIG_NFT_SET_RBTREE m
175 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
176 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
176 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
177 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
177 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
178 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
178 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
179 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
179 set_kernel_config CONFIG_NF_DUP_IPV4 m
180 set_kernel_config CONFIG_NF_DUP_IPV4 m
180 set_kernel_config CONFIG_NF_DUP_IPV6 m
181 set_kernel_config CONFIG_NF_DUP_IPV6 m
181 set_kernel_config CONFIG_NF_LOG_BRIDGE m
182 set_kernel_config CONFIG_NF_LOG_BRIDGE m
182 set_kernel_config CONFIG_NF_LOG_IPV4 m
183 set_kernel_config CONFIG_NF_LOG_IPV4 m
183 set_kernel_config CONFIG_NF_LOG_IPV6 m
184 set_kernel_config CONFIG_NF_LOG_IPV6 m
184 set_kernel_config CONFIG_NF_NAT_IPV4 m
185 set_kernel_config CONFIG_NF_NAT_IPV4 m
185 set_kernel_config CONFIG_NF_NAT_IPV6 m
186 set_kernel_config CONFIG_NF_NAT_IPV6 m
186 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
187 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
187 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
188 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
188 set_kernel_config CONFIG_NF_NAT_PPTP m
189 set_kernel_config CONFIG_NF_NAT_PPTP m
189 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
190 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
190 set_kernel_config CONFIG_NF_NAT_REDIRECT m
191 set_kernel_config CONFIG_NF_NAT_REDIRECT m
191 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
192 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
192 set_kernel_config CONFIG_NF_NAT_TFTP m
193 set_kernel_config CONFIG_NF_NAT_TFTP m
193 set_kernel_config CONFIG_NF_REJECT_IPV4 m
194 set_kernel_config CONFIG_NF_REJECT_IPV4 m
194 set_kernel_config CONFIG_NF_REJECT_IPV6 m
195 set_kernel_config CONFIG_NF_REJECT_IPV6 m
195 set_kernel_config CONFIG_NF_TABLES_INET m
196 set_kernel_config CONFIG_NF_TABLES_INET m
196 set_kernel_config CONFIG_NF_TABLES_IPV4 m
197 set_kernel_config CONFIG_NF_TABLES_IPV4 m
197 set_kernel_config CONFIG_NF_TABLES_IPV6 m
198 set_kernel_config CONFIG_NF_TABLES_IPV6 m
198 set_kernel_config CONFIG_NF_TABLES_NETDEV m
199 set_kernel_config CONFIG_NF_TABLES_NETDEV m
199 set_kernel_config NETFILTER_XTABLES m
200 set_kernel_config NETFILTER_XTABLES m
200 fi
201 fi
201
202
202 # 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
203 # 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
203 if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
204 if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
204 set_kernel_config CONFIG_BPF_SYSCALL y
205 set_kernel_config CONFIG_BPF_SYSCALL y
206 set_kernel_config CONFIG_BPF_EVENTS y
205 set_kernel_config CONFIG_CGROUP_BPF y
207 set_kernel_config CONFIG_CGROUP_BPF y
206 fi
208 fi
207
209
208 #Revert to previous directory
210 #Revert to previous directory
209 cd "${WORKDIR}"
211 cd "${WORKDIR}"
210
212
211 # Set kernel configuration parameters to enable qemu emulation
213 # Set kernel configuration parameters to enable qemu emulation
212 if [ "$ENABLE_QEMU" = true ] ; then
214 if [ "$ENABLE_QEMU" = true ] ; then
213 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
215 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
214 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
216 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
215
217
216 if [ "$ENABLE_CRYPTFS" = true ] ; then
218 if [ "$ENABLE_CRYPTFS" = true ] ; then
217 {
219 {
218 echo "CONFIG_EMBEDDED=y"
220 echo "CONFIG_EMBEDDED=y"
219 echo "CONFIG_EXPERT=y"
221 echo "CONFIG_EXPERT=y"
220 echo "CONFIG_DAX=y"
222 echo "CONFIG_DAX=y"
221 echo "CONFIG_MD=y"
223 echo "CONFIG_MD=y"
222 echo "CONFIG_BLK_DEV_MD=y"
224 echo "CONFIG_BLK_DEV_MD=y"
223 echo "CONFIG_MD_AUTODETECT=y"
225 echo "CONFIG_MD_AUTODETECT=y"
224 echo "CONFIG_BLK_DEV_DM=y"
226 echo "CONFIG_BLK_DEV_DM=y"
225 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
227 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
226 echo "CONFIG_DM_CRYPT=y"
228 echo "CONFIG_DM_CRYPT=y"
227 echo "CONFIG_CRYPTO_BLKCIPHER=y"
229 echo "CONFIG_CRYPTO_BLKCIPHER=y"
228 echo "CONFIG_CRYPTO_CBC=y"
230 echo "CONFIG_CRYPTO_CBC=y"
229 echo "CONFIG_CRYPTO_XTS=y"
231 echo "CONFIG_CRYPTO_XTS=y"
230 echo "CONFIG_CRYPTO_SHA512=y"
232 echo "CONFIG_CRYPTO_SHA512=y"
231 echo "CONFIG_CRYPTO_MANAGER=y"
233 echo "CONFIG_CRYPTO_MANAGER=y"
232 } >> "${KERNEL_DIR}"/.config
234 } >> "${KERNEL_DIR}"/.config
233 fi
235 fi
234 fi
236 fi
235
237
236 # Copy custom kernel configuration file
238 # Copy custom kernel configuration file
237 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
239 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
238 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
240 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
239 fi
241 fi
240
242
241 # Set kernel configuration parameters to their default values
243 # Set kernel configuration parameters to their default values
242 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
244 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
243 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
245 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
244 fi
246 fi
245
247
246 # Start menu-driven kernel configuration (interactive)
248 # Start menu-driven kernel configuration (interactive)
247 if [ "$KERNEL_MENUCONFIG" = true ] ; then
249 if [ "$KERNEL_MENUCONFIG" = true ] ; then
248 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
250 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
249 fi
251 fi
250 fi
252 fi
251
253
252 # Use ccache to cross compile the kernel
254 # Use ccache to cross compile the kernel
253 if [ "$KERNEL_CCACHE" = true ] ; then
255 if [ "$KERNEL_CCACHE" = true ] ; then
254 cc="ccache ${CROSS_COMPILE}gcc"
256 cc="ccache ${CROSS_COMPILE}gcc"
255 else
257 else
256 cc="${CROSS_COMPILE}gcc"
258 cc="${CROSS_COMPILE}gcc"
257 fi
259 fi
258
260
259 # Cross compile kernel and dtbs
261 # Cross compile kernel and dtbs
260 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
262 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
261
263
262 # Cross compile kernel modules
264 # Cross compile kernel modules
263 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
265 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
264 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
266 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
265 fi
267 fi
266 fi
268 fi
267
269
268 # Check if kernel compilation was successful
270 # Check if kernel compilation was successful
269 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
271 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
270 echo "error: kernel compilation failed! (kernel image not found)"
272 echo "error: kernel compilation failed! (kernel image not found)"
271 cleanup
273 cleanup
272 exit 1
274 exit 1
273 fi
275 fi
274
276
275 # Install kernel modules
277 # Install kernel modules
276 if [ "$ENABLE_REDUCE" = true ] ; then
278 if [ "$ENABLE_REDUCE" = true ] ; then
277 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
279 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
278 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
280 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
279 fi
281 fi
280 else
282 else
281 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
283 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
282 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
284 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
283 fi
285 fi
284
286
285 # Install kernel firmware
287 # Install kernel firmware
286 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
288 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
287 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
289 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
288 fi
290 fi
289 fi
291 fi
290
292
291 # Install kernel headers
293 # Install kernel headers
292 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
294 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
293 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
295 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
294 fi
296 fi
295 # make tar.gz kernel package - missing os bzw. modules
297 # make tar.gz kernel package - missing os bzw. modules
296 #** ** ** WARNING ** ** **
298 #** ** ** WARNING ** ** **
297 #Your architecture did not define any architecture-dependent files
299 #Your architecture did not define any architecture-dependent files
298 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
300 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
299 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
301 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
300
302
301 # Prepare boot (firmware) directory
303 # Prepare boot (firmware) directory
302 mkdir "${BOOT_DIR}"
304 mkdir "${BOOT_DIR}"
303
305
304 # Get kernel release version
306 # Get kernel release version
305 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
307 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
306
308
307 # Copy kernel configuration file to the boot directory
309 # Copy kernel configuration file to the boot directory
308 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
310 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
309
311
310 # Prepare device tree directory
312 # Prepare device tree directory
311 mkdir "${BOOT_DIR}/overlays"
313 mkdir "${BOOT_DIR}/overlays"
312
314
313 # Ensure the proper .dtb is located
315 # Ensure the proper .dtb is located
314 if [ "$KERNEL_ARCH" = "arm" ] ; then
316 if [ "$KERNEL_ARCH" = "arm" ] ; then
315 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
317 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
316 if [ -f "${dtb}" ] ; then
318 if [ -f "${dtb}" ] ; then
317 install_readonly "${dtb}" "${BOOT_DIR}/"
319 install_readonly "${dtb}" "${BOOT_DIR}/"
318 fi
320 fi
319 done
321 done
320 else
322 else
321 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
323 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
322 if [ -f "${dtb}" ] ; then
324 if [ -f "${dtb}" ] ; then
323 install_readonly "${dtb}" "${BOOT_DIR}/"
325 install_readonly "${dtb}" "${BOOT_DIR}/"
324 fi
326 fi
325 done
327 done
326 fi
328 fi
327
329
328 # Copy compiled dtb device tree files
330 # Copy compiled dtb device tree files
329 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
331 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
330 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
332 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
331 if [ -f "${dtb}" ] ; then
333 if [ -f "${dtb}" ] ; then
332 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
334 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
333 fi
335 fi
334 done
336 done
335
337
336 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
338 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
337 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
339 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
338 fi
340 fi
339 fi
341 fi
340
342
341 if [ "$ENABLE_UBOOT" = false ] ; then
343 if [ "$ENABLE_UBOOT" = false ] ; then
342 # Convert and copy kernel image to the boot directory
344 # Convert and copy kernel image to the boot directory
343 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
345 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
344 else
346 else
345 # Copy kernel image to the boot directory
347 # Copy kernel image to the boot directory
346 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
348 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
347 fi
349 fi
348
350
349 # Remove kernel sources
351 # Remove kernel sources
350 if [ "$KERNEL_REMOVESRC" = true ] ; then
352 if [ "$KERNEL_REMOVESRC" = true ] ; then
351 rm -fr "${KERNEL_DIR}"
353 rm -fr "${KERNEL_DIR}"
352 else
354 else
353 # Prepare compiled kernel modules
355 # Prepare compiled kernel modules
354 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
356 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
355 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
357 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
356 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
358 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
357 fi
359 fi
358
360
359 # Create symlinks for kernel modules
361 # Create symlinks for kernel modules
360 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
362 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
361 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
363 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
362 fi
364 fi
363 fi
365 fi
364
366
365 else # BUILD_KERNEL=false
367 else # BUILD_KERNEL=false
366 # echo Install precompiled kernel...
368 # echo Install precompiled kernel...
367 # echo error: not implemented
369 # echo error: not implemented
368 if [ "$KERNEL_ARCH" = arm64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
370 if [ "$KERNEL_ARCH" = arm64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
369 # Create temporary directory for dl
371 # Create temporary directory for dl
370 temp_dir=$(as_nobody mktemp -d)
372 temp_dir=$(as_nobody mktemp -d)
371
373
372 # Fetch kernel dl
374 # Fetch kernel dl
373 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
375 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
374 #extract download
376 #extract download
375 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
377 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
376
378
377 #move extracted kernel to /boot/firmware
379 #move extracted kernel to /boot/firmware
378 mkdir "${R}/boot/firmware"
380 mkdir "${R}/boot/firmware"
379 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
381 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
380 cp -r "${temp_dir}"/lib/* "${R}"/lib/
382 cp -r "${temp_dir}"/lib/* "${R}"/lib/
381
383
382 # Remove temporary directory for kernel sources
384 # Remove temporary directory for kernel sources
383 rm -fr "${temp_dir}"
385 rm -fr "${temp_dir}"
384 # Set permissions of the kernel sources
386 # Set permissions of the kernel sources
385 chown -R root:root "${R}/boot/firmware"
387 chown -R root:root "${R}/boot/firmware"
386 chown -R root:root "${R}/lib/modules"
388 chown -R root:root "${R}/lib/modules"
387 #Create cmdline.txt for 15-rpi-config.sh
389 #Create cmdline.txt for 15-rpi-config.sh
388 touch "${BOOT_DIR}/cmdline.txt"
390 touch "${BOOT_DIR}/cmdline.txt"
389 fi
391 fi
390
392
391 # Check if kernel installation was successful
393 # Check if kernel installation was successful
392 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
394 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
393 if [ -z "$KERNEL" ] ; then
395 if [ -z "$KERNEL" ] ; then
394 echo "error: kernel installation failed! (/boot/kernel* not found)"
396 echo "error: kernel installation failed! (/boot/kernel* not found)"
395 cleanup
397 cleanup
396 exit 1
398 exit 1
397 fi
399 fi
398 fi
400 fi
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