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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="${NEXMON_URL}"
10 KERNEL_URL="${NEXMON_URL}"
11 fi
11 fi
12
12
13 # Fetch and build latest raspberry kernel
13 # Fetch and build latest raspberry kernel
14 if [ "$BUILD_KERNEL" = true ] ; then
14 if [ "$BUILD_KERNEL" = true ] ; then
15 echo "WARNING: if ENABLE_NEXMON is used remember to put the CORRECT KERNELSRC IN KERNELSRC_DIR!!!!!1!"
15 # Setup source directory
16 # Setup source directory
16 mkdir -p "${KERNEL_DIR}"
17 mkdir -p "${KERNEL_DIR}"
17
18
18 # Copy existing kernel sources into chroot directory
19 # Copy existing kernel sources into chroot directory
19 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
20 if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then
20 # Copy kernel sources and include hidden files
21 # Copy kernel sources and include hidden files
21 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
22 cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}"
22
23
23 # Clean the kernel sources
24 # Clean the kernel sources
24 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
25 if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then
25 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
26 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper
26 fi
27 fi
27 else # KERNELSRC_DIR=""
28 else # KERNELSRC_DIR=""
28 # Create temporary directory for kernel sources
29 # Create temporary directory for kernel sources
29 temp_dir=$(as_nobody mktemp -d)
30 temp_dir=$(as_nobody mktemp -d)
30
31
31 # Fetch current RPi2/3 kernel sources
32 # Fetch current RPi2/3 kernel sources
32 if [ -z "${KERNEL_BRANCH}" ] ; then
33 if [ -z "${KERNEL_BRANCH}" ] ; then
33 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
34 as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux
34 else
35 else
35 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
36 as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux
36 fi
37 fi
37
38
38 # Copy downloaded kernel sources
39 # Copy downloaded kernel sources
39 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
40 cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}"
40
41
41 # Remove temporary directory for kernel sources
42 # Remove temporary directory for kernel sources
42 rm -fr "${temp_dir}"
43 rm -fr "${temp_dir}"
43
44
44 # Set permissions of the kernel sources
45 # Set permissions of the kernel sources
45 chown -R root:root "${R}/usr/src"
46 chown -R root:root "${R}/usr/src"
46 fi
47 fi
47
48
48 # Calculate optimal number of kernel building threads
49 # Calculate optimal number of kernel building threads
49 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
50 if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then
50 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
51 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
51 fi
52 fi
52
53
53 # Configure and build kernel
54 # Configure and build kernel
54 if [ "$KERNELSRC_PREBUILT" = false ] ; then
55 if [ "$KERNELSRC_PREBUILT" = false ] ; then
55 # Remove device, network and filesystem drivers from kernel configuration
56 # Remove device, network and filesystem drivers from kernel configuration
56 if [ "$KERNEL_REDUCE" = true ] ; then
57 if [ "$KERNEL_REDUCE" = true ] ; then
57 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
58 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
58 sed -i\
59 sed -i\
59 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
60 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
60 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
61 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
61 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
65 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
65 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
67 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
67 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
68 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
68 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
69 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
69 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
70 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
70 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
71 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
71 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
72 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
73 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
73 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
74 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
75 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
75 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
76 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
76 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
77 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
77 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
78 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
78 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
79 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
79 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
80 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
81 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
81 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
82 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
83 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
83 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
84 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
84 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
85 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
85 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
86 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
86 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
87 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
87 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
88 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
88 "${KERNEL_DIR}/.config"
89 "${KERNEL_DIR}/.config"
89 fi
90 fi
90
91
91 if [ "$KERNELSRC_CONFIG" = true ] ; then
92 if [ "$KERNELSRC_CONFIG" = true ] ; then
92 # Load default raspberry kernel configuration
93 # Load default raspberry kernel configuration
93 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
94 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
94
95
95 #Switch to KERNELSRC_DIR so we can use set_kernel_config
96 #Switch to KERNELSRC_DIR so we can use set_kernel_config
96 cd "${KERNEL_DIR}" || exit
97 cd "${KERNEL_DIR}" || exit
97
98
98 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
99 # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap
99 if [ "$KERNEL_ZSWAP" = true ] ; then
100 if [ "$KERNEL_ZSWAP" = true ] ; then
100 set_kernel_config CONFIG_ZPOOL y
101 set_kernel_config CONFIG_ZPOOL y
101 set_kernel_config CONFIG_ZSWAP y
102 set_kernel_config CONFIG_ZSWAP y
102 set_kernel_config CONFIG_ZBUD y
103 set_kernel_config CONFIG_ZBUD y
103 set_kernel_config CONFIG_Z3FOLD y
104 set_kernel_config CONFIG_Z3FOLD y
104 set_kernel_config CONFIG_ZSMALLOC y
105 set_kernel_config CONFIG_ZSMALLOC y
105 set_kernel_config CONFIG_PGTABLE_MAPPING y
106 set_kernel_config CONFIG_PGTABLE_MAPPING y
106 fi
107 fi
107
108
108 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
109 # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453
109 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
110 if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
110 set_kernel_config CONFIG_VIRTUALIZATION y
111 set_kernel_config CONFIG_VIRTUALIZATION y
111 set_kernel_config CONFIG_KVM y
112 set_kernel_config CONFIG_KVM y
112 set_kernel_config CONFIG_VHOST_NET m
113 set_kernel_config CONFIG_VHOST_NET m
113 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
114 set_kernel_config CONFIG_VHOST_CROSS_ENDIAN_LEGACY y
114 fi
115 fi
115
116
116 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
117 # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406
117 if [ "$KERNEL_NF" = true ] ; then
118 if [ "$KERNEL_NF" = true ] ; then
118 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
119 set_kernel_config CONFIG_IP_NF_TARGET_SYNPROXY m
119 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
120 set_kernel_config CONFIG_NETFILTER_XT_MATCH_CGROUP m
120 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
121 set_kernel_config CONFIG_NETFILTER_XT_MATCH_IPCOMP m
121 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
122 set_kernel_config CONFIG_NETFILTER_XT_MATCH_SOCKET m
122 set_kernel_config CONFIG_NFT_FIB_INET m
123 set_kernel_config CONFIG_NFT_FIB_INET m
123 set_kernel_config CONFIG_NFT_FIB_IPV4 m
124 set_kernel_config CONFIG_NFT_FIB_IPV4 m
124 set_kernel_config CONFIG_NFT_FIB_IPV6 m
125 set_kernel_config CONFIG_NFT_FIB_IPV6 m
125 set_kernel_config CONFIG_NFT_FIB_NETDEV m
126 set_kernel_config CONFIG_NFT_FIB_NETDEV m
126 set_kernel_config CONFIG_NFT_OBJREF m
127 set_kernel_config CONFIG_NFT_OBJREF m
127 set_kernel_config CONFIG_NFT_RT m
128 set_kernel_config CONFIG_NFT_RT m
128 set_kernel_config CONFIG_NFT_SET_BITMAP m
129 set_kernel_config CONFIG_NFT_SET_BITMAP m
129 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
130 set_kernel_config CONFIG_NF_CONNTRACK_TIMEOUT y
130 set_kernel_config CONFIG_NF_LOG_ARP m
131 set_kernel_config CONFIG_NF_LOG_ARP m
131 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
132 set_kernel_config CONFIG_NF_SOCKET_IPV4 m
132 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
133 set_kernel_config CONFIG_NF_SOCKET_IPV6 m
133 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
134 set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m
134 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
135 set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m
135 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
136 set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m
136 set_kernel_config CONFIG_IP6_NF_IPTABLES m
137 set_kernel_config CONFIG_IP6_NF_IPTABLES m
137 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
138 set_kernel_config CONFIG_IP6_NF_MATCH_AH m
138 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
139 set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m
139 set_kernel_config CONFIG_IP6_NF_NAT m
140 set_kernel_config CONFIG_IP6_NF_NAT m
140 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
141 set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m
141 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
142 set_kernel_config CONFIG_IP6_NF_TARGET_NPT m
142 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
143 set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m
143 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
144 set_kernel_config CONFIG_IP_SET_BITMAP_PORT m
144 set_kernel_config CONFIG_IP_SET_HASH_IP m
145 set_kernel_config CONFIG_IP_SET_HASH_IP m
145 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
146 set_kernel_config CONFIG_IP_SET_HASH_IPMARK m
146 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
147 set_kernel_config CONFIG_IP_SET_HASH_IPPORT m
147 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
148 set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m
148 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
149 set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m
149 set_kernel_config CONFIG_IP_SET_HASH_MAC m
150 set_kernel_config CONFIG_IP_SET_HASH_MAC m
150 set_kernel_config CONFIG_IP_SET_HASH_NET m
151 set_kernel_config CONFIG_IP_SET_HASH_NET m
151 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
152 set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m
152 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
153 set_kernel_config CONFIG_IP_SET_HASH_NETNET m
153 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
154 set_kernel_config CONFIG_IP_SET_HASH_NETPORT m
154 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
155 set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m
155 set_kernel_config CONFIG_IP_SET_LIST_SET m
156 set_kernel_config CONFIG_IP_SET_LIST_SET m
156 set_kernel_config CONFIG_NETFILTER_XTABLES m
157 set_kernel_config CONFIG_NETFILTER_XTABLES m
157 set_kernel_config CONFIG_NETFILTER_XTABLES m
158 set_kernel_config CONFIG_NETFILTER_XTABLES m
158 set_kernel_config CONFIG_NFT_BRIDGE_META m
159 set_kernel_config CONFIG_NFT_BRIDGE_META m
159 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
160 set_kernel_config CONFIG_NFT_BRIDGE_REJECT m
160 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
161 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m
161 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
162 set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m
162 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
163 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m
163 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
164 set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m
164 set_kernel_config CONFIG_NFT_COMPAT m
165 set_kernel_config CONFIG_NFT_COMPAT m
165 set_kernel_config CONFIG_NFT_COUNTER m
166 set_kernel_config CONFIG_NFT_COUNTER m
166 set_kernel_config CONFIG_NFT_CT m
167 set_kernel_config CONFIG_NFT_CT m
167 set_kernel_config CONFIG_NFT_DUP_IPV4 m
168 set_kernel_config CONFIG_NFT_DUP_IPV4 m
168 set_kernel_config CONFIG_NFT_DUP_IPV6 m
169 set_kernel_config CONFIG_NFT_DUP_IPV6 m
169 set_kernel_config CONFIG_NFT_DUP_NETDEV m
170 set_kernel_config CONFIG_NFT_DUP_NETDEV m
170 set_kernel_config CONFIG_NFT_EXTHDR m
171 set_kernel_config CONFIG_NFT_EXTHDR m
171 set_kernel_config CONFIG_NFT_FWD_NETDEV m
172 set_kernel_config CONFIG_NFT_FWD_NETDEV m
172 set_kernel_config CONFIG_NFT_HASH m
173 set_kernel_config CONFIG_NFT_HASH m
173 set_kernel_config CONFIG_NFT_LIMIT m
174 set_kernel_config CONFIG_NFT_LIMIT m
174 set_kernel_config CONFIG_NFT_LOG m
175 set_kernel_config CONFIG_NFT_LOG m
175 set_kernel_config CONFIG_NFT_MASQ m
176 set_kernel_config CONFIG_NFT_MASQ m
176 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
177 set_kernel_config CONFIG_NFT_MASQ_IPV4 m
177 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
178 set_kernel_config CONFIG_NFT_MASQ_IPV6 m
178 set_kernel_config CONFIG_NFT_META m
179 set_kernel_config CONFIG_NFT_META m
179 set_kernel_config CONFIG_NFT_NAT m
180 set_kernel_config CONFIG_NFT_NAT m
180 set_kernel_config CONFIG_NFT_NUMGEN m
181 set_kernel_config CONFIG_NFT_NUMGEN m
181 set_kernel_config CONFIG_NFT_QUEUE m
182 set_kernel_config CONFIG_NFT_QUEUE m
182 set_kernel_config CONFIG_NFT_QUOTA m
183 set_kernel_config CONFIG_NFT_QUOTA m
183 set_kernel_config CONFIG_NFT_REDIR m
184 set_kernel_config CONFIG_NFT_REDIR m
184 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
185 set_kernel_config CONFIG_NFT_REDIR_IPV4 m
185 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
186 set_kernel_config CONFIG_NFT_REDIR_IPV6 m
186 set_kernel_config CONFIG_NFT_REJECT m
187 set_kernel_config CONFIG_NFT_REJECT m
187 set_kernel_config CONFIG_NFT_REJECT_INET m
188 set_kernel_config CONFIG_NFT_REJECT_INET m
188 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
189 set_kernel_config CONFIG_NFT_REJECT_IPV4 m
189 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
190 set_kernel_config CONFIG_NFT_REJECT_IPV6 m
190 set_kernel_config CONFIG_NFT_SET_HASH m
191 set_kernel_config CONFIG_NFT_SET_HASH m
191 set_kernel_config CONFIG_NFT_SET_RBTREE m
192 set_kernel_config CONFIG_NFT_SET_RBTREE m
192 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
193 set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m
193 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
194 set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m
194 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
195 set_kernel_config CONFIG_NF_DEFRAG_IPV4 m
195 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
196 set_kernel_config CONFIG_NF_DEFRAG_IPV6 m
196 set_kernel_config CONFIG_NF_DUP_IPV4 m
197 set_kernel_config CONFIG_NF_DUP_IPV4 m
197 set_kernel_config CONFIG_NF_DUP_IPV6 m
198 set_kernel_config CONFIG_NF_DUP_IPV6 m
198 set_kernel_config CONFIG_NF_DUP_NETDEV m
199 set_kernel_config CONFIG_NF_DUP_NETDEV m
199 set_kernel_config CONFIG_NF_LOG_BRIDGE m
200 set_kernel_config CONFIG_NF_LOG_BRIDGE m
200 set_kernel_config CONFIG_NF_LOG_IPV4 m
201 set_kernel_config CONFIG_NF_LOG_IPV4 m
201 set_kernel_config CONFIG_NF_LOG_IPV6 m
202 set_kernel_config CONFIG_NF_LOG_IPV6 m
202 set_kernel_config CONFIG_NF_NAT_IPV4 m
203 set_kernel_config CONFIG_NF_NAT_IPV4 m
203 set_kernel_config CONFIG_NF_NAT_IPV6 m
204 set_kernel_config CONFIG_NF_NAT_IPV6 m
204 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
205 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m
205 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
206 set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m
206 set_kernel_config CONFIG_NF_NAT_PPTP m
207 set_kernel_config CONFIG_NF_NAT_PPTP m
207 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
208 set_kernel_config CONFIG_NF_NAT_PROTO_GRE m
208 set_kernel_config CONFIG_NF_NAT_REDIRECT m
209 set_kernel_config CONFIG_NF_NAT_REDIRECT m
209 set_kernel_config CONFIG_NF_NAT_SIP m
210 set_kernel_config CONFIG_NF_NAT_SIP m
210 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
211 set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m
211 set_kernel_config CONFIG_NF_NAT_TFTP m
212 set_kernel_config CONFIG_NF_NAT_TFTP m
212 set_kernel_config CONFIG_NF_REJECT_IPV4 m
213 set_kernel_config CONFIG_NF_REJECT_IPV4 m
213 set_kernel_config CONFIG_NF_REJECT_IPV6 m
214 set_kernel_config CONFIG_NF_REJECT_IPV6 m
214 set_kernel_config CONFIG_NF_TABLES m
215 set_kernel_config CONFIG_NF_TABLES m
215 set_kernel_config CONFIG_NF_TABLES_ARP m
216 set_kernel_config CONFIG_NF_TABLES_ARP m
216 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
217 set_kernel_config CONFIG_NF_TABLES_BRIDGE m
217 set_kernel_config CONFIG_NF_TABLES_INET m
218 set_kernel_config CONFIG_NF_TABLES_INET m
218 set_kernel_config CONFIG_NF_TABLES_IPV4 m
219 set_kernel_config CONFIG_NF_TABLES_IPV4 m
219 set_kernel_config CONFIG_NF_TABLES_IPV6 m
220 set_kernel_config CONFIG_NF_TABLES_IPV6 m
220 set_kernel_config CONFIG_NF_TABLES_NETDEV m
221 set_kernel_config CONFIG_NF_TABLES_NETDEV m
221 fi
222 fi
222
223
223 # 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
224 # 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
224 if [ "$KERNEL_BPF" = true ] ; then
225 if [ "$KERNEL_BPF" = true ] ; then
225 set_kernel_config CONFIG_BPF_SYSCALL y
226 set_kernel_config CONFIG_BPF_SYSCALL y
226 set_kernel_config CONFIG_BPF_EVENTS y
227 set_kernel_config CONFIG_BPF_EVENTS y
227 set_kernel_config CONFIG_BPF_STREAM_PARSER y
228 set_kernel_config CONFIG_BPF_STREAM_PARSER y
228 set_kernel_config CONFIG_CGROUP_BPF y
229 set_kernel_config CONFIG_CGROUP_BPF y
229 fi
230 fi
230
231
231 # KERNEL_DEFAULT_GOV was set by user
232 # KERNEL_DEFAULT_GOV was set by user
232 if ! [ "$KERNEL_DEFAULT_GOV" = POWERSAVE ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
233 if ! [ "$KERNEL_DEFAULT_GOV" = POWERSAVE ] && [ -n "$KERNEL_DEFAULT_GOV" ]; then
233 # unset default governor
234 # unset default governor
234 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
235 unset_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_POWERSAVE
235
236
236 case "$KERNEL_DEFAULT_GOV" in
237 case "$KERNEL_DEFAULT_GOV" in
237 "PERFORMANCE")
238 "PERFORMANCE")
238 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
239 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE y
239 ;;
240 ;;
240 "USERSPACE")
241 "USERSPACE")
241 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
242 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE y
242 ;;
243 ;;
243 "ONDEMAND")
244 "ONDEMAND")
244 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
245 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND y
245 ;;
246 ;;
246 "CONSERVATIVE")
247 "CONSERVATIVE")
247 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
248 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE y
248 ;;
249 ;;
249 "CONSERVATIVE")
250 "CONSERVATIVE")
250 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
251 set_kernel_config CONFIG_CPU_FREQ_DEFAULT_GOV_SCHEDUTIL y
251 ;;
252 ;;
252 *)
253 *)
253 echo "error: unsupported default cpu governor"
254 echo "error: unsupported default cpu governor"
254 exit 1
255 exit 1
255 ;;
256 ;;
256 esac
257 esac
257 fi
258 fi
258
259
259
260
260
261
261 #Revert to previous directory
262 #Revert to previous directory
262 cd "${WORKDIR}" || exit
263 cd "${WORKDIR}" || exit
263
264
264 # Set kernel configuration parameters to enable qemu emulation
265 # Set kernel configuration parameters to enable qemu emulation
265 if [ "$ENABLE_QEMU" = true ] ; then
266 if [ "$ENABLE_QEMU" = true ] ; then
266 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
267 echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config
267 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
268 echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config
268
269
269 if [ "$ENABLE_CRYPTFS" = true ] ; then
270 if [ "$ENABLE_CRYPTFS" = true ] ; then
270 {
271 {
271 echo "CONFIG_EMBEDDED=y"
272 echo "CONFIG_EMBEDDED=y"
272 echo "CONFIG_EXPERT=y"
273 echo "CONFIG_EXPERT=y"
273 echo "CONFIG_DAX=y"
274 echo "CONFIG_DAX=y"
274 echo "CONFIG_MD=y"
275 echo "CONFIG_MD=y"
275 echo "CONFIG_BLK_DEV_MD=y"
276 echo "CONFIG_BLK_DEV_MD=y"
276 echo "CONFIG_MD_AUTODETECT=y"
277 echo "CONFIG_MD_AUTODETECT=y"
277 echo "CONFIG_BLK_DEV_DM=y"
278 echo "CONFIG_BLK_DEV_DM=y"
278 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
279 echo "CONFIG_BLK_DEV_DM_BUILTIN=y"
279 echo "CONFIG_DM_CRYPT=y"
280 echo "CONFIG_DM_CRYPT=y"
280 echo "CONFIG_CRYPTO_BLKCIPHER=y"
281 echo "CONFIG_CRYPTO_BLKCIPHER=y"
281 echo "CONFIG_CRYPTO_CBC=y"
282 echo "CONFIG_CRYPTO_CBC=y"
282 echo "CONFIG_CRYPTO_XTS=y"
283 echo "CONFIG_CRYPTO_XTS=y"
283 echo "CONFIG_CRYPTO_SHA512=y"
284 echo "CONFIG_CRYPTO_SHA512=y"
284 echo "CONFIG_CRYPTO_MANAGER=y"
285 echo "CONFIG_CRYPTO_MANAGER=y"
285 } >> "${KERNEL_DIR}"/.config
286 } >> "${KERNEL_DIR}"/.config
286 fi
287 fi
287 fi
288 fi
288
289
289 # Copy custom kernel configuration file
290 # Copy custom kernel configuration file
290 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
291 if [ -n "$KERNELSRC_USRCONFIG" ] ; then
291 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
292 cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config
292 fi
293 fi
293
294
294 # Set kernel configuration parameters to their default values
295 # Set kernel configuration parameters to their default values
295 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
296 if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then
296 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
297 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig
297 fi
298 fi
298
299
299 # Start menu-driven kernel configuration (interactive)
300 # Start menu-driven kernel configuration (interactive)
300 if [ "$KERNEL_MENUCONFIG" = true ] ; then
301 if [ "$KERNEL_MENUCONFIG" = true ] ; then
301 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
302 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig
302 fi
303 fi
303 # end if "$KERNELSRC_CONFIG" = true
304 # end if "$KERNELSRC_CONFIG" = true
304 fi
305 fi
305
306
306 # Use ccache to cross compile the kernel
307 # Use ccache to cross compile the kernel
307 if [ "$KERNEL_CCACHE" = true ] ; then
308 if [ "$KERNEL_CCACHE" = true ] ; then
308 cc="ccache ${CROSS_COMPILE}gcc"
309 cc="ccache ${CROSS_COMPILE}gcc"
309 else
310 else
310 cc="${CROSS_COMPILE}gcc"
311 cc="${CROSS_COMPILE}gcc"
311 fi
312 fi
312
313
313 # Cross compile kernel and dtbs
314 # Cross compile kernel and dtbs
314 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
315 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs
315
316
316 # Cross compile kernel modules
317 # Cross compile kernel modules
317 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
318 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
318 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
319 make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules
319 fi
320 fi
320 # end if "$KERNELSRC_PREBUILT" = false
321 # end if "$KERNELSRC_PREBUILT" = false
321 fi
322 fi
322
323
323 # Check if kernel compilation was successful
324 # Check if kernel compilation was successful
324 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
325 if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then
325 echo "error: kernel compilation failed! (kernel image not found)"
326 echo "error: kernel compilation failed! (kernel image not found)"
326 cleanup
327 cleanup
327 exit 1
328 exit 1
328 fi
329 fi
329
330
330 # Install kernel modules
331 # Install kernel modules
331 if [ "$ENABLE_REDUCE" = true ] ; then
332 if [ "$ENABLE_REDUCE" = true ] ; then
332 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
333 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
333 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
334 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install
334 fi
335 fi
335 else
336 else
336 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
337 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
337 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
338 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install
338 fi
339 fi
339
340
340 # Install kernel firmware
341 # Install kernel firmware
341 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
342 if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then
342 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
343 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install
343 fi
344 fi
344 fi
345 fi
345
346
346 # Install kernel headers
347 # Install kernel headers
347 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
348 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
348 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
349 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
349 fi
350 fi
350 # make tar.gz kernel package - missing os bzw. modules
351 # make tar.gz kernel package - missing os bzw. modules
351 #** ** ** WARNING ** ** **
352 #** ** ** WARNING ** ** **
352 #Your architecture did not define any architecture-dependent files
353 #Your architecture did not define any architecture-dependent files
353 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
354 #to be placed into the tarball. Please add those to ./scripts/package/buildtar .
354 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
355 # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg
355
356
356 # Prepare boot (firmware) directory
357 # Prepare boot (firmware) directory
357 mkdir "${BOOT_DIR}"
358 mkdir "${BOOT_DIR}"
358
359
359 # Get kernel release version
360 # Get kernel release version
360 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
361 KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release")
361
362
362 # Copy kernel configuration file to the boot directory
363 # Copy kernel configuration file to the boot directory
363 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
364 install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}"
364
365
365 # Prepare device tree directory
366 # Prepare device tree directory
366 mkdir "${BOOT_DIR}/overlays"
367 mkdir "${BOOT_DIR}/overlays"
367
368
368 # Ensure the proper .dtb is located
369 # Ensure the proper .dtb is located
369 if [ "$KERNEL_ARCH" = "arm" ] ; then
370 if [ "$KERNEL_ARCH" = "arm" ] ; then
370 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
371 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do
371 if [ -f "${dtb}" ] ; then
372 if [ -f "${dtb}" ] ; then
372 install_readonly "${dtb}" "${BOOT_DIR}/"
373 install_readonly "${dtb}" "${BOOT_DIR}/"
373 fi
374 fi
374 done
375 done
375 else
376 else
376 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
377 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do
377 if [ -f "${dtb}" ] ; then
378 if [ -f "${dtb}" ] ; then
378 install_readonly "${dtb}" "${BOOT_DIR}/"
379 install_readonly "${dtb}" "${BOOT_DIR}/"
379 fi
380 fi
380 done
381 done
381 fi
382 fi
382
383
383 # Copy compiled dtb device tree files
384 # Copy compiled dtb device tree files
384 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
385 if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then
385 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
386 for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do
386 if [ -f "${dtb}" ] ; then
387 if [ -f "${dtb}" ] ; then
387 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
388 install_readonly "${dtb}" "${BOOT_DIR}/overlays/"
388 fi
389 fi
389 done
390 done
390
391
391 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
392 if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then
392 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
393 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README"
393 fi
394 fi
394 fi
395 fi
395
396
396 if [ "$ENABLE_UBOOT" = false ] ; then
397 if [ "$ENABLE_UBOOT" = false ] ; then
397 # Convert and copy kernel image to the boot directory
398 # Convert and copy kernel image to the boot directory
398 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
399 "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
399 else
400 else
400 # Copy kernel image to the boot directory
401 # Copy kernel image to the boot directory
401 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
402 install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}"
402 fi
403 fi
403
404
404 # Remove kernel sources
405 # Remove kernel sources
405 if [ "$KERNEL_REMOVESRC" = true ] ; then
406 if [ "$KERNEL_REMOVESRC" = true ] ; then
406 rm -fr "${KERNEL_DIR}"
407 rm -fr "${KERNEL_DIR}"
407 else
408 else
408 # Prepare compiled kernel modules
409 # Prepare compiled kernel modules
409 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
410 if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then
410 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
411 if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then
411 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
412 make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare
412 fi
413 fi
413
414
414 # Create symlinks for kernel modules
415 # Create symlinks for kernel modules
415 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
416 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build"
416 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
417 chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source"
417 fi
418 fi
418 fi
419 fi
419
420
420 else # BUILD_KERNEL=false
421 else # BUILD_KERNEL=false
421 # echo Install precompiled kernel...
422 # echo Install precompiled kernel...
422 # echo error: not implemented
423 # echo error: not implemented
423 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
424 if [ "$SET_ARCH" = 64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then
424
425
425 # Use Sakakis modified kernel if ZSWAP is active
426 # Use Sakakis modified kernel if ZSWAP is active
426 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
427 if [ "$KERNEL_ZSWAP" = true ] || [ "$KERNEL_VIRT" = true ] || [ "$KERNEL_NF" = true ] || [ "$KERNEL_BPF" = true ] ; then
427 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
428 RPI3_64_KERNEL_URL="${RPI3_64_BIS_KERNEL_URL}"
428 fi
429 fi
429
430
430 # Create temporary directory for dl
431 # Create temporary directory for dl
431 temp_dir=$(as_nobody mktemp -d)
432 temp_dir=$(as_nobody mktemp -d)
432
433
433 # Fetch kernel dl
434 # Fetch kernel dl
434 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
435 as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL"
435
436
436 #extract download
437 #extract download
437 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
438 tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}"
438
439
439 #move extracted kernel to /boot/firmware
440 #move extracted kernel to /boot/firmware
440 mkdir "${R}/boot/firmware"
441 mkdir "${R}/boot/firmware"
441 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
442 cp "${temp_dir}"/boot/* "${R}"/boot/firmware/
442 cp -r "${temp_dir}"/lib/* "${R}"/lib/
443 cp -r "${temp_dir}"/lib/* "${R}"/lib/
443
444
444 # Remove temporary directory for kernel sources
445 # Remove temporary directory for kernel sources
445 rm -fr "${temp_dir}"
446 rm -fr "${temp_dir}"
446
447
447 # Set permissions of the kernel sources
448 # Set permissions of the kernel sources
448 chown -R root:root "${R}/boot/firmware"
449 chown -R root:root "${R}/boot/firmware"
449 chown -R root:root "${R}/lib/modules"
450 chown -R root:root "${R}/lib/modules"
450 fi
451 fi
451
452
452 # Install Kernel from hypriot comptabile with all Raspberry PI
453 # Install Kernel from hypriot comptabile with all Raspberry PI
453 if [ "$SET_ARCH" = 32 ] ; then
454 if [ "$SET_ARCH" = 32 ] ; then
454 # Create temporary directory for dl
455 # Create temporary directory for dl
455 temp_dir=$(as_nobody mktemp -d)
456 temp_dir=$(as_nobody mktemp -d)
456
457
457 # Fetch kernel
458 # Fetch kernel
458 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
459 as_nobody wget -O "${temp_dir}"/kernel.deb -c "$RPI_32_KERNEL_URL"
459
460
460 # Copy downloaded U-Boot sources
461 # Copy downloaded U-Boot sources
461 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
462 mv "${temp_dir}"/kernel.deb "${R}"/tmp/kernel.deb
462
463
463 # Set permissions
464 # Set permissions
464 chown -R root:root "${R}"/tmp/kernel.deb
465 chown -R root:root "${R}"/tmp/kernel.deb
465
466
466 # Install kernel
467 # Install kernel
467 chroot_exec dpkg -i /tmp/kernel.deb
468 chroot_exec dpkg -i /tmp/kernel.deb
468
469
469 # move /boot to /boot/firmware to fit script env.
470 # move /boot to /boot/firmware to fit script env.
470 #mkdir "${BOOT_DIR}"
471 #mkdir "${BOOT_DIR}"
471 mkdir "${temp_dir}"/firmware
472 mkdir "${temp_dir}"/firmware
472 mv "${R}"/boot/* "${temp_dir}"/firmware/
473 mv "${R}"/boot/* "${temp_dir}"/firmware/
473 mv "${temp_dir}"/firmware "${R}"/boot/
474 mv "${temp_dir}"/firmware "${R}"/boot/
474
475
475 #same for kernel headers
476 #same for kernel headers
476 if [ "$KERNEL_HEADERS" = true ] ; then
477 if [ "$KERNEL_HEADERS" = true ] ; then
477 # Fetch kernel header
478 # Fetch kernel header
478 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
479 as_nobody wget -O "${temp_dir}"/kernel-header.deb -c "$RPI_32_KERNELHEADER_URL"
479 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
480 mv "${temp_dir}"/kernel-header.deb "${R}"/tmp/kernel-header.deb
480 chown -R root:root "${R}"/tmp/kernel-header.deb
481 chown -R root:root "${R}"/tmp/kernel-header.deb
481 # Install kernel header
482 # Install kernel header
482 chroot_exec dpkg -i /tmp/kernel-header.deb
483 chroot_exec dpkg -i /tmp/kernel-header.deb
483 rm -f "${R}"/tmp/kernel-header.deb
484 rm -f "${R}"/tmp/kernel-header.deb
484 fi
485 fi
485
486
486 # Remove temporary directory and files
487 # Remove temporary directory and files
487 rm -fr "${temp_dir}"
488 rm -fr "${temp_dir}"
488 rm -f "${R}"/tmp/kernel.deb
489 rm -f "${R}"/tmp/kernel.deb
489 fi
490 fi
490
491
491 # Check if kernel installation was successful
492 # Check if kernel installation was successful
492 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
493 KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)"
493 if [ -z "$KERNEL" ] ; then
494 if [ -z "$KERNEL" ] ; then
494 echo "error: kernel installation failed! (/boot/kernel* not found)"
495 echo "error: kernel installation failed! (/boot/kernel* not found)"
495 cleanup
496 cleanup
496 exit 1
497 exit 1
497 fi
498 fi
498 fi
499 fi
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