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1 | 1 | # |
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2 | 2 | # Build and Setup RPi2/3 Kernel |
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3 | 3 | # |
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4 | 4 | |
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5 | 5 | # Load utility functions |
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6 | 6 | . ./functions.sh |
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7 | 7 | |
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8 | 8 | # Fetch and build latest raspberry kernel |
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9 | 9 | if [ "$BUILD_KERNEL" = true ] ; then |
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10 | 10 | # Setup source directory |
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11 | 11 | mkdir -p "${KERNEL_DIR}" |
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12 | 12 | |
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13 | 13 | # Copy existing kernel sources into chroot directory |
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14 | 14 | if [ -n "$KERNELSRC_DIR" ] && [ -d "$KERNELSRC_DIR" ] ; then |
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15 | 15 | # Copy kernel sources and include hidden files |
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16 | 16 | cp -r "${KERNELSRC_DIR}/". "${KERNEL_DIR}" |
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17 | 17 | |
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18 | 18 | # Clean the kernel sources |
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19 | 19 | if [ "$KERNELSRC_CLEAN" = true ] && [ "$KERNELSRC_PREBUILT" = false ] ; then |
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20 | 20 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" mrproper |
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21 | 21 | fi |
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22 | 22 | else # KERNELSRC_DIR="" |
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23 | 23 | # Create temporary directory for kernel sources |
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24 | 24 | temp_dir=$(as_nobody mktemp -d) |
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25 | 25 | |
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26 | 26 | # Fetch current RPi2/3 kernel sources |
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27 | 27 | if [ -z "${KERNEL_BRANCH}" ] ; then |
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28 | 28 | as_nobody -H git -C "${temp_dir}" clone --depth=1 "${KERNEL_URL}" linux |
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29 | 29 | else |
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30 | 30 | as_nobody -H git -C "${temp_dir}" clone --depth=1 --branch "${KERNEL_BRANCH}" "${KERNEL_URL}" linux |
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31 | 31 | fi |
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32 | 32 | |
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33 | 33 | # Copy downloaded kernel sources |
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34 | 34 | cp -r "${temp_dir}/linux/"* "${KERNEL_DIR}" |
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35 | 35 | |
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36 | 36 | # Remove temporary directory for kernel sources |
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37 | 37 | rm -fr "${temp_dir}" |
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38 | 38 | |
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39 | 39 | # Set permissions of the kernel sources |
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40 | 40 | chown -R root:root "${R}/usr/src" |
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41 | 41 | fi |
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42 | 42 | |
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43 | 43 | # Calculate optimal number of kernel building threads |
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44 | 44 | if [ "$KERNEL_THREADS" = "1" ] && [ -r /proc/cpuinfo ] ; then |
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45 | 45 | KERNEL_THREADS=$(grep -c processor /proc/cpuinfo) |
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46 | 46 | fi |
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47 | 47 | |
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48 | 48 | # Configure and build kernel |
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49 | 49 | if [ "$KERNELSRC_PREBUILT" = false ] ; then |
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50 | 50 | # Remove device, network and filesystem drivers from kernel configuration |
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51 | 51 | if [ "$KERNEL_REDUCE" = true ] ; then |
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52 | 52 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" |
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53 | 53 | sed -i\ |
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54 | 54 | -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\ |
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55 | 55 | -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\ |
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56 | 56 | -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\ |
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57 | 57 | -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\ |
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58 | 58 | -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\ |
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59 | 59 | -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\ |
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60 | 60 | -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\ |
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61 | 61 | -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\ |
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62 | 62 | -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\ |
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63 | 63 | -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\ |
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64 | 64 | -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\ |
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65 | 65 | -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\ |
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66 | 66 | -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\ |
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67 | 67 | -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\ |
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68 | 68 | -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\ |
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69 | 69 | -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\ |
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70 | 70 | -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\ |
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71 | 71 | -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\ |
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72 | 72 | -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\ |
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73 | 73 | -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\ |
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74 | 74 | -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\ |
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75 | 75 | -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\ |
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76 | 76 | -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\ |
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77 | 77 | -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\ |
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78 | 78 | -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\ |
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79 | 79 | -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\ |
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80 | 80 | -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\ |
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81 | 81 | -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\ |
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82 | 82 | -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\ |
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83 | 83 | "${KERNEL_DIR}/.config" |
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84 | 84 | fi |
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85 | 85 | |
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86 | 86 | if [ "$KERNELSRC_CONFIG" = true ] ; then |
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87 | 87 | # Load default raspberry kernel configuration |
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88 | 88 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}" |
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89 | #Switch to KERNELSRC_DIR | |
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89 | ||
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90 | #Switch to KERNELSRC_DIR so we can use set_kernel_config | |
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90 | 91 | cd "${KERNEL_DIR}" |
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91 | 92 | |
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92 | 93 | # enable ZSWAP see https://askubuntu.com/a/472227 or https://wiki.archlinux.org/index.php/zswap |
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93 | 94 | if [ "$KERNEL_ZSWAP" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then |
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94 | 95 | set_kernel_config ZPOOL y |
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95 | 96 | set_kernel_config ZSWAP y |
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96 | 97 | set_kernel_config ZBUD y |
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97 | 98 | set_kernel_config Z3FOLD y |
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98 | 99 | set_kernel_config ZSMALLOC y |
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99 | 100 | set_kernel_config PGTABLE_MAPPING y |
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100 | 101 | fi |
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101 | 102 | |
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102 | 103 | # enable basic KVM support; see https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453 |
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103 | 104 | if [ "$KERNEL_VIRT" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then |
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104 | 105 | set_kernel_config VIRTUALIZATION y |
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105 | 106 | set_kernel_config KVM y |
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106 | 107 | set_kernel_config VHOST_NET m |
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107 | 108 | set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y |
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108 | 109 | fi |
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109 | 110 | |
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110 | 111 | # Netfilter kernel support See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406 |
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111 | 112 | if [ "$KERNEL_NF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then |
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112 | 113 | set_kernel_config CONFIG_NETFILTER_XTABLES m |
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113 | 114 | set_kernel_config CONFIG_NF_DUP_NETDEV m |
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114 | 115 | set_kernel_config CONFIG_NF_NAT_SIP m |
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115 | 116 | set_kernel_config CONFIG_NF_TABLES_ARP m |
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116 | 117 | set_kernel_config CONFIG_NF_TABLES_BRIDGE m |
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117 | 118 | set_kernel_config NF_TABLES m |
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118 | 119 | set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m |
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119 | 120 | set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m |
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120 | 121 | set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m |
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121 | 122 | set_kernel_config CONFIG_IP6_NF_IPTABLES m |
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122 | 123 | set_kernel_config CONFIG_IP6_NF_MATCH_AH m |
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123 | 124 | set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m |
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124 | 125 | set_kernel_config CONFIG_IP6_NF_NAT m |
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125 | 126 | set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m |
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126 | 127 | set_kernel_config CONFIG_IP6_NF_TARGET_NPT m |
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127 | 128 | set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m |
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128 | 129 | set_kernel_config CONFIG_IP_SET_BITMAP_PORT m |
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129 | 130 | set_kernel_config CONFIG_IP_SET_HASH_IP m |
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130 | 131 | set_kernel_config CONFIG_IP_SET_HASH_IPMARK m |
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131 | 132 | set_kernel_config CONFIG_IP_SET_HASH_IPPORT m |
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132 | 133 | set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m |
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133 | 134 | set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m |
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134 | 135 | set_kernel_config CONFIG_IP_SET_HASH_MAC m |
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135 | 136 | set_kernel_config CONFIG_IP_SET_HASH_NET m |
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136 | 137 | set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m |
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137 | 138 | set_kernel_config CONFIG_IP_SET_HASH_NETNET m |
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138 | 139 | set_kernel_config CONFIG_IP_SET_HASH_NETPORT m |
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139 | 140 | set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m |
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140 | 141 | set_kernel_config CONFIG_IP_SET_LIST_SET m |
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141 | 142 | set_kernel_config CONFIG_NFT_BRIDGE_META m |
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142 | 143 | set_kernel_config CONFIG_NFT_BRIDGE_REJECT m |
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143 | 144 | set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m |
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144 | 145 | set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m |
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145 | 146 | set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m |
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146 | 147 | set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m |
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147 | 148 | set_kernel_config CONFIG_NFT_COMPAT m |
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148 | 149 | set_kernel_config CONFIG_NFT_COUNTER m |
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149 | 150 | set_kernel_config CONFIG_NFT_CT m |
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150 | 151 | set_kernel_config CONFIG_NFT_DUP_IPV4 m |
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151 | 152 | set_kernel_config CONFIG_NFT_DUP_IPV6 m |
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152 | 153 | set_kernel_config CONFIG_NFT_DUP_NETDEV m |
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153 | 154 | set_kernel_config CONFIG_NFT_EXTHDR m |
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154 | 155 | set_kernel_config CONFIG_NFT_FWD_NETDEV m |
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155 | 156 | set_kernel_config CONFIG_NFT_HASH m |
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156 | 157 | set_kernel_config CONFIG_NFT_LIMIT m |
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157 | 158 | set_kernel_config CONFIG_NFT_LOG m |
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158 | 159 | set_kernel_config CONFIG_NFT_MASQ m |
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159 | 160 | set_kernel_config CONFIG_NFT_MASQ_IPV4 m |
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160 | 161 | set_kernel_config CONFIG_NFT_MASQ_IPV6 m |
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161 | 162 | set_kernel_config CONFIG_NFT_META m |
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162 | 163 | set_kernel_config CONFIG_NFT_NAT m |
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163 | 164 | set_kernel_config CONFIG_NFT_NUMGEN m |
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164 | 165 | set_kernel_config CONFIG_NFT_QUEUE m |
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165 | 166 | set_kernel_config CONFIG_NFT_QUOTA m |
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166 | 167 | set_kernel_config CONFIG_NFT_REDIR m |
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167 | 168 | set_kernel_config CONFIG_NFT_REDIR_IPV4 m |
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168 | 169 | set_kernel_config CONFIG_NFT_REDIR_IPV6 m |
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169 | 170 | set_kernel_config CONFIG_NFT_REJECT m |
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170 | 171 | set_kernel_config CONFIG_NFT_REJECT_INET m |
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171 | 172 | set_kernel_config CONFIG_NFT_REJECT_IPV4 m |
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172 | 173 | set_kernel_config CONFIG_NFT_REJECT_IPV6 m |
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173 | 174 | set_kernel_config CONFIG_NFT_SET_HASH m |
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174 | 175 | set_kernel_config CONFIG_NFT_SET_RBTREE m |
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175 | 176 | set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m |
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176 | 177 | set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m |
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177 | 178 | set_kernel_config CONFIG_NF_DEFRAG_IPV4 m |
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178 | 179 | set_kernel_config CONFIG_NF_DEFRAG_IPV6 m |
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179 | 180 | set_kernel_config CONFIG_NF_DUP_IPV4 m |
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180 | 181 | set_kernel_config CONFIG_NF_DUP_IPV6 m |
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181 | 182 | set_kernel_config CONFIG_NF_LOG_BRIDGE m |
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182 | 183 | set_kernel_config CONFIG_NF_LOG_IPV4 m |
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183 | 184 | set_kernel_config CONFIG_NF_LOG_IPV6 m |
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184 | 185 | set_kernel_config CONFIG_NF_NAT_IPV4 m |
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185 | 186 | set_kernel_config CONFIG_NF_NAT_IPV6 m |
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186 | 187 | set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m |
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187 | 188 | set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m |
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188 | 189 | set_kernel_config CONFIG_NF_NAT_PPTP m |
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189 | 190 | set_kernel_config CONFIG_NF_NAT_PROTO_GRE m |
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190 | 191 | set_kernel_config CONFIG_NF_NAT_REDIRECT m |
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191 | 192 | set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m |
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192 | 193 | set_kernel_config CONFIG_NF_NAT_TFTP m |
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193 | 194 | set_kernel_config CONFIG_NF_REJECT_IPV4 m |
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194 | 195 | set_kernel_config CONFIG_NF_REJECT_IPV6 m |
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195 | 196 | set_kernel_config CONFIG_NF_TABLES_INET m |
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196 | 197 | set_kernel_config CONFIG_NF_TABLES_IPV4 m |
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197 | 198 | set_kernel_config CONFIG_NF_TABLES_IPV6 m |
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198 | 199 | set_kernel_config CONFIG_NF_TABLES_NETDEV m |
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199 | 200 | set_kernel_config NETFILTER_XTABLES m |
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200 | 201 | fi |
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201 | 202 | |
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202 | 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 |
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203 | 204 | if [ "$KERNEL_BPF" = true ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then |
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204 | 205 | set_kernel_config CONFIG_BPF_SYSCALL y |
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206 | set_kernel_config CONFIG_BPF_EVENTS y | |
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205 | 207 | set_kernel_config CONFIG_CGROUP_BPF y |
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206 | 208 | fi |
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207 | 209 | |
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208 | 210 | #Revert to previous directory |
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209 | 211 | cd "${WORKDIR}" |
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210 | 212 | |
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211 | 213 | # Set kernel configuration parameters to enable qemu emulation |
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212 | 214 | if [ "$ENABLE_QEMU" = true ] ; then |
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213 | 215 | echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config |
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214 | 216 | echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config |
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215 | 217 | |
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216 | 218 | if [ "$ENABLE_CRYPTFS" = true ] ; then |
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217 | 219 | { |
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218 | 220 | echo "CONFIG_EMBEDDED=y" |
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219 | 221 | echo "CONFIG_EXPERT=y" |
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220 | 222 | echo "CONFIG_DAX=y" |
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221 | 223 | echo "CONFIG_MD=y" |
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222 | 224 | echo "CONFIG_BLK_DEV_MD=y" |
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223 | 225 | echo "CONFIG_MD_AUTODETECT=y" |
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224 | 226 | echo "CONFIG_BLK_DEV_DM=y" |
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225 | 227 | echo "CONFIG_BLK_DEV_DM_BUILTIN=y" |
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226 | 228 | echo "CONFIG_DM_CRYPT=y" |
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227 | 229 | echo "CONFIG_CRYPTO_BLKCIPHER=y" |
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228 | 230 | echo "CONFIG_CRYPTO_CBC=y" |
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229 | 231 | echo "CONFIG_CRYPTO_XTS=y" |
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230 | 232 | echo "CONFIG_CRYPTO_SHA512=y" |
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231 | 233 | echo "CONFIG_CRYPTO_MANAGER=y" |
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232 | 234 | } >> "${KERNEL_DIR}"/.config |
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233 | 235 | fi |
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234 | 236 | fi |
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235 | 237 | |
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236 | 238 | # Copy custom kernel configuration file |
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237 | 239 | if [ -n "$KERNELSRC_USRCONFIG" ] ; then |
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238 | 240 | cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config |
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239 | 241 | fi |
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240 | 242 | |
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241 | 243 | # Set kernel configuration parameters to their default values |
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242 | 244 | if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then |
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243 | 245 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig |
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244 | 246 | fi |
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245 | 247 | |
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246 | 248 | # Start menu-driven kernel configuration (interactive) |
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247 | 249 | if [ "$KERNEL_MENUCONFIG" = true ] ; then |
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248 | 250 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig |
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249 | 251 | fi |
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250 | 252 | fi |
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251 | 253 | |
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252 | 254 | # Use ccache to cross compile the kernel |
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253 | 255 | if [ "$KERNEL_CCACHE" = true ] ; then |
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254 | 256 | cc="ccache ${CROSS_COMPILE}gcc" |
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255 | 257 | else |
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256 | 258 | cc="${CROSS_COMPILE}gcc" |
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257 | 259 | fi |
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258 | 260 | |
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259 | 261 | # Cross compile kernel and dtbs |
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260 | 262 | make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs |
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261 | 263 | |
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262 | 264 | # Cross compile kernel modules |
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263 | 265 | if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then |
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264 | 266 | make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules |
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265 | 267 | fi |
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266 | 268 | fi |
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267 | 269 | |
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268 | 270 | # Check if kernel compilation was successful |
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269 | 271 | if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then |
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270 | 272 | echo "error: kernel compilation failed! (kernel image not found)" |
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271 | 273 | cleanup |
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272 | 274 | exit 1 |
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273 | 275 | fi |
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274 | 276 | |
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275 | 277 | # Install kernel modules |
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276 | 278 | if [ "$ENABLE_REDUCE" = true ] ; then |
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277 | 279 | if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then |
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278 | 280 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install |
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279 | 281 | fi |
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280 | 282 | else |
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281 | 283 | if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then |
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282 | 284 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install |
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283 | 285 | fi |
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284 | 286 | |
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285 | 287 | # Install kernel firmware |
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286 | 288 | if grep -q "^firmware_install:" "${KERNEL_DIR}/Makefile" ; then |
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287 | 289 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install |
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288 | 290 | fi |
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289 | 291 | fi |
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290 | 292 | |
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291 | 293 | # Install kernel headers |
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292 | 294 | if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then |
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293 | 295 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install |
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294 | 296 | fi |
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295 | 297 | # make tar.gz kernel package - missing os bzw. modules |
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296 | 298 | #** ** ** WARNING ** ** ** |
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297 | 299 | #Your architecture did not define any architecture-dependent files |
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298 | 300 | #to be placed into the tarball. Please add those to ./scripts/package/buildtar . |
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299 | 301 | # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg |
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300 | 302 | |
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301 | 303 | # Prepare boot (firmware) directory |
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302 | 304 | mkdir "${BOOT_DIR}" |
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303 | 305 | |
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304 | 306 | # Get kernel release version |
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305 | 307 | KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release") |
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306 | 308 | |
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307 | 309 | # Copy kernel configuration file to the boot directory |
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308 | 310 | install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}" |
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309 | 311 | |
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310 | 312 | # Prepare device tree directory |
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311 | 313 | mkdir "${BOOT_DIR}/overlays" |
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312 | 314 | |
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313 | 315 | # Ensure the proper .dtb is located |
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314 | 316 | if [ "$KERNEL_ARCH" = "arm" ] ; then |
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315 | 317 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do |
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316 | 318 | if [ -f "${dtb}" ] ; then |
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317 | 319 | install_readonly "${dtb}" "${BOOT_DIR}/" |
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318 | 320 | fi |
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319 | 321 | done |
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320 | 322 | else |
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321 | 323 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do |
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322 | 324 | if [ -f "${dtb}" ] ; then |
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323 | 325 | install_readonly "${dtb}" "${BOOT_DIR}/" |
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324 | 326 | fi |
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325 | 327 | done |
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326 | 328 | fi |
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327 | 329 | |
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328 | 330 | # Copy compiled dtb device tree files |
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329 | 331 | if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then |
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330 | 332 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do |
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331 | 333 | if [ -f "${dtb}" ] ; then |
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332 | 334 | install_readonly "${dtb}" "${BOOT_DIR}/overlays/" |
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333 | 335 | fi |
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334 | 336 | done |
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335 | 337 | |
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336 | 338 | if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then |
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337 | 339 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README" |
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338 | 340 | fi |
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339 | 341 | fi |
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340 | 342 | |
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341 | 343 | if [ "$ENABLE_UBOOT" = false ] ; then |
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342 | 344 | # Convert and copy kernel image to the boot directory |
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343 | 345 | "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
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344 | 346 | else |
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345 | 347 | # Copy kernel image to the boot directory |
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346 | 348 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
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347 | 349 | fi |
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348 | 350 | |
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349 | 351 | # Remove kernel sources |
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350 | 352 | if [ "$KERNEL_REMOVESRC" = true ] ; then |
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351 | 353 | rm -fr "${KERNEL_DIR}" |
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352 | 354 | else |
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353 | 355 | # Prepare compiled kernel modules |
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354 | 356 | if grep -q "CONFIG_MODULES=y" "${KERNEL_DIR}/.config" ; then |
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355 | 357 | if grep -q "^modules_prepare:" "${KERNEL_DIR}/Makefile" ; then |
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356 | 358 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare |
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357 | 359 | fi |
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358 | 360 | |
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359 | 361 | # Create symlinks for kernel modules |
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360 | 362 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build" |
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361 | 363 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source" |
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362 | 364 | fi |
|
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363 | 365 | fi |
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364 | 366 | |
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365 | 367 | else # BUILD_KERNEL=false |
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366 | 368 | # echo Install precompiled kernel... |
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367 | 369 | # echo error: not implemented |
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368 | 370 | if [ "$KERNEL_ARCH" = arm64 ] && { [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; } ; then |
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369 | 371 | # Create temporary directory for dl |
|
|
370 | 372 | temp_dir=$(as_nobody mktemp -d) |
|
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371 | 373 | |
|
|
372 | 374 | # Fetch kernel dl |
|
|
373 | 375 | as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL" |
|
|
374 | 376 | #extract download |
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|
375 | 377 | tar -xJf "${temp_dir}"/kernel.tar.xz -C "${temp_dir}" |
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376 | 378 | |
|
|
377 | 379 | #move extracted kernel to /boot/firmware |
|
|
378 | 380 | mkdir "${R}/boot/firmware" |
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379 | 381 | cp "${temp_dir}"/boot/* "${R}"/boot/firmware/ |
|
|
380 | 382 | cp -r "${temp_dir}"/lib/* "${R}"/lib/ |
|
|
381 | 383 | |
|
|
382 | 384 | # Remove temporary directory for kernel sources |
|
|
383 | 385 | rm -fr "${temp_dir}" |
|
|
384 | 386 | # Set permissions of the kernel sources |
|
|
385 | 387 | chown -R root:root "${R}/boot/firmware" |
|
|
386 | 388 | chown -R root:root "${R}/lib/modules" |
|
|
387 | 389 | #Create cmdline.txt for 15-rpi-config.sh |
|
|
388 | 390 | touch "${BOOT_DIR}/cmdline.txt" |
|
|
389 | 391 | fi |
|
|
390 | 392 | |
|
|
391 | 393 | # Check if kernel installation was successful |
|
|
392 | 394 | KERNEL="$(ls -1 "${R}"/boot/firmware/kernel* | sort | tail -n 1)" |
|
|
393 | 395 | if [ -z "$KERNEL" ] ; then |
|
|
394 | 396 | echo "error: kernel installation failed! (/boot/kernel* not found)" |
|
|
395 | 397 | cleanup |
|
|
396 | 398 | exit 1 |
|
|
397 | 399 | fi |
|
|
398 | 400 | fi |
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