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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 #Switch to KERNELSRC_DIR
90 pushd "${KERNEL_DIR}"
90 cd "${KERNEL_DIR}"
91
91
92 # GPL v2.0
92 # GPL v2.0
93 #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh
93 #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh
94 if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
94 if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
95 # enable ZSWAP support for better performance during large builds etc.
95 # enable ZSWAP support for better performance during large builds etc.
96 # requires activation via kernel parameter or sysfs
96 # requires activation via kernel parameter or sysfs
97 # see e.g. https://askubuntu.com/a/472227 for a summary of ZSWAP (vs ZRAM etc.)
97 # see e.g. https://askubuntu.com/a/472227 for a summary of ZSWAP (vs ZRAM etc.)
98 # and e.g. https://wiki.archlinux.org/index.php/zswap for parameters etc.
98 # and e.g. https://wiki.archlinux.org/index.php/zswap for parameters etc.
99 set_kernel_config ZPOOL y
99 set_kernel_config ZPOOL y
100 set_kernel_config ZSWAP y
100 set_kernel_config ZSWAP y
101 set_kernel_config ZBUD y
101 set_kernel_config ZBUD y
102 set_kernel_config Z3FOLD y
102 set_kernel_config Z3FOLD y
103 set_kernel_config ZSMALLOC y
103 set_kernel_config ZSMALLOC y
104 set_kernel_config PGTABLE_MAPPING y
104 set_kernel_config PGTABLE_MAPPING y
105 fi
105 fi
106
106
107 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
107 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
108 # enable basic KVM support; see e.g.
108 # enable basic KVM support; see e.g.
109 # https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
109 # https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
110 set_kernel_config VIRTUALIZATION y
110 set_kernel_config VIRTUALIZATION y
111 set_kernel_config KVM y
111 set_kernel_config KVM y
112 set_kernel_config VHOST_NET m
112 set_kernel_config VHOST_NET m
113 set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y
113 set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y
114 fi
114 fi
115 #See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
115 #See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
116 # Netfilter kernel support
116 # Netfilter kernel support
117 if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
117 if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
118 set_kernel_config CONFIG_NETFILTER_XTABLES m
118 set_kernel_config CONFIG_NETFILTER_XTABLES m
119 set_kernel_config CONFIG_NF_DUP_NETDEV m
119 set_kernel_config CONFIG_NF_DUP_NETDEV m
120 set_kernel_config CONFIG_NF_NAT_SIP m
120 set_kernel_config CONFIG_NF_NAT_SIP m
121 set_kernel_config CONFIG_NF_TABLES_ARP m
121 set_kernel_config CONFIG_NF_TABLES_ARP m
122 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
122 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
123 set_kernel_config NF_TABLES m
123 set_kernel_config NF_TABLES m
124 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
124 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
125 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
125 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
126 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
126 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
127 set_kernel_config CONFIG_IP6_NF_IPTABLES m
127 set_kernel_config CONFIG_IP6_NF_IPTABLES m
128 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
128 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
129 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
129 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
130 set_kernel_config CONFIG_IP6_NF_NAT m
130 set_kernel_config CONFIG_IP6_NF_NAT m
131 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
131 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
132 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
132 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
133 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
133 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
134 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
134 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
135 set_kernel_config CONFIG_IP_SET_HASH_IP m
135 set_kernel_config CONFIG_IP_SET_HASH_IP m
136 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
136 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
137 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
137 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
138 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
138 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
139 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
139 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
140 set_kernel_config CONFIG_IP_SET_HASH_MAC m
140 set_kernel_config CONFIG_IP_SET_HASH_MAC m
141 set_kernel_config CONFIG_IP_SET_HASH_NET m
141 set_kernel_config CONFIG_IP_SET_HASH_NET m
142 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
142 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
143 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
143 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
144 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
144 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
145 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
145 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
146 set_kernel_config CONFIG_IP_SET_LIST_SET m
146 set_kernel_config CONFIG_IP_SET_LIST_SET m
147 set_kernel_config CONFIG_NFT_BRIDGE_META m
147 set_kernel_config CONFIG_NFT_BRIDGE_META m
148 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
148 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
149 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
149 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
150 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
150 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
151 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
151 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
152 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
152 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
153 set_kernel_config CONFIG_NFT_COMPAT m
153 set_kernel_config CONFIG_NFT_COMPAT m
154 set_kernel_config CONFIG_NFT_COUNTER m
154 set_kernel_config CONFIG_NFT_COUNTER m
155 set_kernel_config CONFIG_NFT_CT m
155 set_kernel_config CONFIG_NFT_CT m
156 set_kernel_config CONFIG_NFT_DUP_IPV4 m
156 set_kernel_config CONFIG_NFT_DUP_IPV4 m
157 set_kernel_config CONFIG_NFT_DUP_IPV6 m
157 set_kernel_config CONFIG_NFT_DUP_IPV6 m
158 set_kernel_config CONFIG_NFT_DUP_NETDEV m
158 set_kernel_config CONFIG_NFT_DUP_NETDEV m
159 set_kernel_config CONFIG_NFT_EXTHDR m
159 set_kernel_config CONFIG_NFT_EXTHDR m
160 set_kernel_config CONFIG_NFT_FWD_NETDEV m
160 set_kernel_config CONFIG_NFT_FWD_NETDEV m
161 set_kernel_config CONFIG_NFT_HASH m
161 set_kernel_config CONFIG_NFT_HASH m
162 set_kernel_config CONFIG_NFT_LIMIT m
162 set_kernel_config CONFIG_NFT_LIMIT m
163 set_kernel_config CONFIG_NFT_LOG m
163 set_kernel_config CONFIG_NFT_LOG m
164 set_kernel_config CONFIG_NFT_MASQ m
164 set_kernel_config CONFIG_NFT_MASQ m
165 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
165 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
166 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
166 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
167 set_kernel_config CONFIG_NFT_META m
167 set_kernel_config CONFIG_NFT_META m
168 set_kernel_config CONFIG_NFT_NAT m
168 set_kernel_config CONFIG_NFT_NAT m
169 set_kernel_config CONFIG_NFT_NUMGEN m
169 set_kernel_config CONFIG_NFT_NUMGEN m
170 set_kernel_config CONFIG_NFT_QUEUE m
170 set_kernel_config CONFIG_NFT_QUEUE m
171 set_kernel_config CONFIG_NFT_QUOTA m
171 set_kernel_config CONFIG_NFT_QUOTA m
172 set_kernel_config CONFIG_NFT_REDIR m
172 set_kernel_config CONFIG_NFT_REDIR m
173 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
173 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
174 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
174 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
175 set_kernel_config CONFIG_NFT_REJECT m
175 set_kernel_config CONFIG_NFT_REJECT m
176 set_kernel_config CONFIG_NFT_REJECT_INET m
176 set_kernel_config CONFIG_NFT_REJECT_INET m
177 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
177 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
178 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
178 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
179 set_kernel_config CONFIG_NFT_SET_HASH m
179 set_kernel_config CONFIG_NFT_SET_HASH m
180 set_kernel_config CONFIG_NFT_SET_RBTREE m
180 set_kernel_config CONFIG_NFT_SET_RBTREE m
181 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
181 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
182 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
182 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
183 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
183 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
184 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
184 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
185 set_kernel_config CONFIG_NF_DUP_IPV4 m
185 set_kernel_config CONFIG_NF_DUP_IPV4 m
186 set_kernel_config CONFIG_NF_DUP_IPV6 m
186 set_kernel_config CONFIG_NF_DUP_IPV6 m
187 set_kernel_config CONFIG_NF_LOG_BRIDGE m
187 set_kernel_config CONFIG_NF_LOG_BRIDGE m
188 set_kernel_config CONFIG_NF_LOG_IPV4 m
188 set_kernel_config CONFIG_NF_LOG_IPV4 m
189 set_kernel_config CONFIG_NF_LOG_IPV6 m
189 set_kernel_config CONFIG_NF_LOG_IPV6 m
190 set_kernel_config CONFIG_NF_NAT_IPV4 m
190 set_kernel_config CONFIG_NF_NAT_IPV4 m
191 set_kernel_config CONFIG_NF_NAT_IPV6 m
191 set_kernel_config CONFIG_NF_NAT_IPV6 m
192 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
192 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
193 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
193 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
194 set_kernel_config CONFIG_NF_NAT_PPTP m
194 set_kernel_config CONFIG_NF_NAT_PPTP m
195 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
195 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
196 set_kernel_config CONFIG_NF_NAT_REDIRECT m
196 set_kernel_config CONFIG_NF_NAT_REDIRECT m
197 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
197 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
198 set_kernel_config CONFIG_NF_NAT_TFTP m
198 set_kernel_config CONFIG_NF_NAT_TFTP m
199 set_kernel_config CONFIG_NF_REJECT_IPV4 m
199 set_kernel_config CONFIG_NF_REJECT_IPV4 m
200 set_kernel_config CONFIG_NF_REJECT_IPV6 m
200 set_kernel_config CONFIG_NF_REJECT_IPV6 m
201 set_kernel_config CONFIG_NF_TABLES_INET m
201 set_kernel_config CONFIG_NF_TABLES_INET m
202 set_kernel_config CONFIG_NF_TABLES_IPV4 m
202 set_kernel_config CONFIG_NF_TABLES_IPV4 m
203 set_kernel_config CONFIG_NF_TABLES_IPV6 m
203 set_kernel_config CONFIG_NF_TABLES_IPV6 m
204 set_kernel_config CONFIG_NF_TABLES_NETDEV m
204 set_kernel_config CONFIG_NF_TABLES_NETDEV m
205 set_kernel_config NETFILTER_XTABLES m
205 set_kernel_config NETFILTER_XTABLES m
206 fi
206 fi
207
207
208 #https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA
208 #https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA
209 #https://github.com/torvalds/linux/blob/master/init/Kconfig#L848
209 #https://github.com/torvalds/linux/blob/master/init/Kconfig#L848
210 # Enables BPF syscall for systemd-journald
210 # Enables BPF syscall for systemd-journald
211 if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
211 if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
212 set_kernel_config CONFIG_BPF_SYSCALL y
212 set_kernel_config CONFIG_BPF_SYSCALL y
213 set_kernel_config CONFIG_CGROUP_BPF y
213 set_kernel_config CONFIG_CGROUP_BPF y
214 fi
214 fi
215
215
216 #Revert to previous directory
216 #Revert to previous directory
217 popd
217 cd "${R}"
218
218
219 # Set kernel configuration parameters to enable qemu emulation
219 # Set kernel configuration parameters to enable qemu emulation
220 if [ "$ENABLE_QEMU" = true ] ; then
220 if [ "$ENABLE_QEMU" = true ] ; then
221 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
221 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
222 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
222 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
223
223
224 if [ "$ENABLE_CRYPTFS" = true ] ; then
224 if [ "$ENABLE_CRYPTFS" = true ] ; then
225 {
225 {
226 echo "CONFIG_EMBEDDED=y"
226 echo "CONFIG_EMBEDDED=y"
227 echo "CONFIG_EXPERT=y"
227 echo "CONFIG_EXPERT=y"
228 echo "CONFIG_DAX=y"
228 echo "CONFIG_DAX=y"
229 echo "CONFIG_MD=y"
229 echo "CONFIG_MD=y"
230 echo "CONFIG_BLK_DEV_MD=y"
230 echo "CONFIG_BLK_DEV_MD=y"
231 echo "CONFIG_MD_AUTODETECT=y"
231 echo "CONFIG_MD_AUTODETECT=y"
232 echo "CONFIG_BLK_DEV_DM=y"
232 echo "CONFIG_BLK_DEV_DM=y"
233 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
233 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
234 echo "CONFIG_DM_CRYPT=y"
234 echo "CONFIG_DM_CRYPT=y"
235 echo "CONFIG_CRYPTO_BLKCIPHER=y"
235 echo "CONFIG_CRYPTO_BLKCIPHER=y"
236 echo "CONFIG_CRYPTO_CBC=y"
236 echo "CONFIG_CRYPTO_CBC=y"
237 echo "CONFIG_CRYPTO_XTS=y"
237 echo "CONFIG_CRYPTO_XTS=y"
238 echo "CONFIG_CRYPTO_SHA512=y"
238 echo "CONFIG_CRYPTO_SHA512=y"
239 echo "CONFIG_CRYPTO_MANAGER=y"
239 echo "CONFIG_CRYPTO_MANAGER=y"
240 } >> "${KERNEL_DIR}/.config"
240 } >> "${KERNEL_DIR}/.config"
241 fi
241 fi
242 fi
242 fi
243
243
244 # Copy custom kernel configuration file
244 # Copy custom kernel configuration file
245 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
245 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
246 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
246 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
247 fi
247 fi
248
248
249 # Set kernel configuration parameters to their default values
249 # Set kernel configuration parameters to their default values
250 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
250 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
251 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
251 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
252 fi
252 fi
253
253
254 # Start menu-driven kernel configuration (interactive)
254 # Start menu-driven kernel configuration (interactive)
255 if [ "$KERNEL_MENUCONFIG" = true ] ; then
255 if [ "$KERNEL_MENUCONFIG" = true ] ; then
256 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
256 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
257 fi
257 fi
258 fi
258 fi
259
259
260 # Use ccache to cross compile the kernel
260 # Use ccache to cross compile the kernel
261 if [ "$KERNEL_CCACHE" = true ] ; then
261 if [ "$KERNEL_CCACHE" = true ] ; then
262 cc="ccache ${CROSS_COMPILE}gcc"
262 cc="ccache ${CROSS_COMPILE}gcc"
263 else
263 else
264 cc="${CROSS_COMPILE}gcc"
264 cc="${CROSS_COMPILE}gcc"
265 fi
265 fi
266
266
267 # Cross compile kernel and dtbs
267 # Cross compile kernel and dtbs
268 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
268 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
269
269
270 # Cross compile kernel modules
270 # Cross compile kernel modules
271 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
271 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
272 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
272 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
273 fi
273 fi
274 fi
274 fi
275
275
276 # Check if kernel compilation was successful
276 # Check if kernel compilation was successful
277 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
277 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
278 echo "error: kernel compilation failed! (kernel image not found)"
278 echo "error: kernel compilation failed! (kernel image not found)"
279 cleanup
279 cleanup
280 exit 1
280 exit 1
281 fi
281 fi
282
282
283 # Install kernel modules
283 # Install kernel modules
284 if [ "$ENABLE_REDUCE" = true ] ; then
284 if [ "$ENABLE_REDUCE" = true ] ; then
285 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
285 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
286 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
286 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
287 fi
287 fi
288 else
288 else
289 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
289 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
290 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
290 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
291 fi
291 fi
292
292
293 # Install kernel firmware
293 # Install kernel firmware
294 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
294 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
295 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
295 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
296 fi
296 fi
297 fi
297 fi
298
298
299 # Install kernel headers
299 # Install kernel headers
300 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
300 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
301 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
301 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
302 fi
302 fi
303 # make tar.gz kernel package - missing os bzw. modules
303 # make tar.gz kernel package - missing os bzw. modules
304 #** ** ** WARNING ** ** **
304 #** ** ** WARNING ** ** **
305 #Your architecture did not define any architecture-dependent files
305 #Your architecture did not define any architecture-dependent files
306 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
306 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
307 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
307 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
308
308
309 # Prepare boot (firmware) directory
309 # Prepare boot (firmware) directory
310 mkdir "${BOOT_DIR}"
310 mkdir "${BOOT_DIR}"
311
311
312 # Get kernel release version
312 # Get kernel release version
313 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
313 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
314
314
315 # Copy kernel configuration file to the boot directory
315 # Copy kernel configuration file to the boot directory
316 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
316 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
317
317
318 # Prepare device tree directory
318 # Prepare device tree directory
319 mkdir "${BOOT_DIR}/overlays"
319 mkdir "${BOOT_DIR}/overlays"
320
320
321 # Ensure the proper .dtb is located
321 # Ensure the proper .dtb is located
322 if [ "$KERNEL_ARCH" = "arm" ] ; then
322 if [ "$KERNEL_ARCH" = "arm" ] ; then
323 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
323 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
324 if [ -f "${dtb}" ] ; then
324 if [ -f "${dtb}" ] ; then
325 install_readonly "${dtb}" "${BOOT_DIR}/"
325 install_readonly "${dtb}" "${BOOT_DIR}/"
326 fi
326 fi
327 done
327 done
328 else
328 else
329 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
329 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
330 if [ -f "${dtb}" ] ; then
330 if [ -f "${dtb}" ] ; then
331 install_readonly "${dtb}" "${BOOT_DIR}/"
331 install_readonly "${dtb}" "${BOOT_DIR}/"
332 fi
332 fi
333 done
333 done
334 fi
334 fi
335
335
336 # Copy compiled dtb device tree files
336 # Copy compiled dtb device tree files
337 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
337 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
338 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
338 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
339 if [ -f "${dtb}" ] ; then
339 if [ -f "${dtb}" ] ; then
340 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
340 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
341 fi
341 fi
342 done
342 done
343
343
344 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
344 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
345 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
345 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
346 fi
346 fi
347 fi
347 fi
348
348
349 if [ "$ENABLE_UBOOT" = false ] ; then
349 if [ "$ENABLE_UBOOT" = false ] ; then
350 # Convert and copy kernel image to the boot directory
350 # Convert and copy kernel image to the boot directory
351 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
351 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
352 else
352 else
353 # Copy kernel image to the boot directory
353 # Copy kernel image to the boot directory
354 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
354 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
355 fi
355 fi
356
356
357 # Remove kernel sources
357 # Remove kernel sources
358 if [ "$KERNEL_REMOVESRC" = true ] ; then
358 if [ "$KERNEL_REMOVESRC" = true ] ; then
359 rm -fr "${KERNEL_DIR}"
359 rm -fr "${KERNEL_DIR}"
360 else
360 else
361 # Prepare compiled kernel modules
361 # Prepare compiled kernel modules
362 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
362 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
363 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
363 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
364 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
364 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
365 fi
365 fi
366
366
367 # Create symlinks for kernel modules
367 # Create symlinks for kernel modules
368 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
368 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
369 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
369 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
370 fi
370 fi
371 fi
371 fi
372
372
373 else # BUILD_KERNEL=false
373 else # BUILD_KERNEL=false
374 # echo Install precompiled kernel...
374 # echo Install precompiled kernel...
375 # echo error: not implemented
375 # echo error: not implemented
376 if [ "$KERNEL_ARCH" = arm64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
376 if [ "$KERNEL_ARCH" = arm64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
377 # Create temporary directory for dl
377 # Create temporary directory for dl
378 temp_dir=$(as_nobody mktemp -d)
378 temp_dir=$(as_nobody mktemp -d)
379
379
380 # Fetch kernel dl
380 # Fetch kernel dl
381 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
381 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
382 #extract download
382 #extract download
383 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
383 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
384
384
385 #move extracted kernel to /boot/firmware
385 #move extracted kernel to /boot/firmware
386 mkdir "${R}/boot/firmware"
386 mkdir "${R}/boot/firmware"
387 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
387 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
388 cp -r "${temp_dir}"/lib/* "${R}"/lib/
388 cp -r "${temp_dir}"/lib/* "${R}"/lib/
389
389
390 # Remove temporary directory for kernel sources
390 # Remove temporary directory for kernel sources
391 rm -fr "${temp_dir}"
391 rm -fr "${temp_dir}"
392 # Set permissions of the kernel sources
392 # Set permissions of the kernel sources
393 chown -R root:root "${R}/boot/firmware"
393 chown -R root:root "${R}/boot/firmware"
394 chown -R root:root "${R}/lib/modules"
394 chown -R root:root "${R}/lib/modules"
395 #Create cmdline.txt for 15-rpi-config.sh
395 #Create cmdline.txt for 15-rpi-config.sh
396 touch "${BOOT_DIR}/cmdline.txt"
396 touch "${BOOT_DIR}/cmdline.txt"
397 fi
397 fi
398
398
399 # Check if kernel installation was successful
399 # Check if kernel installation was successful
400 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
400 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
401 if [ -z "$KERNEL" ] ; then
401 if [ -z "$KERNEL" ] ; then
402 echo "error: kernel installation failed! (/boot/kernel* not found)"
402 echo "error: kernel installation failed! (/boot/kernel* not found)"
403 cleanup
403 cleanup
404 exit 1
404 exit 1
405 fi
405 fi
406 fi
406 fi
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