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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 | 89 | |
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90 | 90 | #Switch to KERNELSRC_DIR |
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91 | 91 | pushd "${KERNEL_DIR}" |
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92 | 92 | |
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93 | 93 | # GPL v2.0 |
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94 | 94 | #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh |
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95 | 95 | if [ "$KERNEL_ZSWAP" = true ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then |
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96 | 96 | # enable ZSWAP support for better performance during large builds etc. |
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97 | 97 | # requires activation via kernel parameter or sysfs |
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98 | 98 | # see e.g. https://askubuntu.com/a/472227 for a summary of ZSWAP (vs ZRAM etc.) |
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99 | 99 | # and e.g. https://wiki.archlinux.org/index.php/zswap for parameters etc. |
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100 |
set_kernel_config ZPOOL y |
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101 |
set_kernel_config ZSWAP y |
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102 |
set_kernel_config ZBUD y |
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103 |
set_kernel_config Z3FOLD y |
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104 |
set_kernel_config ZSMALLOC y |
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105 |
set_kernel_config PGTABLE_MAPPING y |
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100 | set_kernel_config ZPOOL y | |
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101 | set_kernel_config ZSWAP y | |
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102 | set_kernel_config ZBUD y | |
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103 | set_kernel_config Z3FOLD y | |
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104 | set_kernel_config ZSMALLOC y | |
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105 | set_kernel_config PGTABLE_MAPPING y | |
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106 | 106 | fi |
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107 | 107 | |
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108 | 108 | if [ "$KERNEL_VIRT" = true ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then |
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109 | 109 | # enable basic KVM support; see e.g. |
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110 | 110 | # https://www.raspberrypi.org/forums/viewtopic.php?f=63&t=210546&start=25#p1300453 |
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111 |
set_kernel_config VIRTUALIZATION y |
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112 |
set_kernel_config KVM y |
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113 |
set_kernel_config VHOST_NET m |
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114 |
set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y |
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111 | set_kernel_config VIRTUALIZATION y | |
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112 | set_kernel_config KVM y | |
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113 | set_kernel_config VHOST_NET m | |
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114 | set_kernel_config VHOST_CROSS_ENDIAN_LEGACY y | |
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115 | 115 | fi |
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116 | 116 | #See https://github.com/raspberrypi/linux/issues/2177#issuecomment-354647406 |
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117 | 117 | # Netfilter kernel support |
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118 | 118 | if [ "$KERNEL_NF" = true ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then |
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119 |
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120 |
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121 |
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122 |
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123 |
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124 |
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119 | set_kernel_config CONFIG_NETFILTER_XTABLES m | |
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120 | set_kernel_config CONFIG_NF_DUP_NETDEV m | |
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121 | set_kernel_config CONFIG_NF_NAT_SIP m | |
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122 | set_kernel_config CONFIG_NF_TABLES_ARP m | |
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123 | set_kernel_config CONFIG_NF_TABLES_BRIDGE m | |
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124 | set_kernel_config NF_TABLES m | |
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125 | 125 | set_kernel_config CONFIG_BRIDGE_EBT_BROUTE m |
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126 |
set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m |
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126 | set_kernel_config CONFIG_BRIDGE_EBT_T_FILTER m | |
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127 | 127 | set_kernel_config CONFIG_BRIDGE_NF_EBTABLES m |
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128 | 128 | set_kernel_config CONFIG_IP6_NF_IPTABLES m |
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129 | 129 | set_kernel_config CONFIG_IP6_NF_MATCH_AH m |
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130 | 130 | set_kernel_config CONFIG_IP6_NF_MATCH_EUI64 m |
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131 | 131 | set_kernel_config CONFIG_IP6_NF_NAT m |
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132 | 132 | set_kernel_config CONFIG_IP6_NF_TARGET_MASQUERADE m |
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133 | 133 | set_kernel_config CONFIG_IP6_NF_TARGET_NPT m |
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134 | 134 | set_kernel_config CONFIG_IP_SET_BITMAP_IPMAC m |
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135 | 135 | set_kernel_config CONFIG_IP_SET_BITMAP_PORT m |
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136 | 136 | set_kernel_config CONFIG_IP_SET_HASH_IP m |
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137 | 137 | set_kernel_config CONFIG_IP_SET_HASH_IPMARK m |
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138 | 138 | set_kernel_config CONFIG_IP_SET_HASH_IPPORT m |
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139 | 139 | set_kernel_config CONFIG_IP_SET_HASH_IPPORTIP m |
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140 | 140 | set_kernel_config CONFIG_IP_SET_HASH_IPPORTNET m |
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141 | 141 | set_kernel_config CONFIG_IP_SET_HASH_MAC m |
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142 | 142 | set_kernel_config CONFIG_IP_SET_HASH_NET m |
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143 | 143 | set_kernel_config CONFIG_IP_SET_HASH_NETIFACE m |
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144 | 144 | set_kernel_config CONFIG_IP_SET_HASH_NETNET m |
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145 | 145 | set_kernel_config CONFIG_IP_SET_HASH_NETPORT m |
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146 | 146 | set_kernel_config CONFIG_IP_SET_HASH_NETPORTNET m |
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147 | 147 | set_kernel_config CONFIG_IP_SET_LIST_SET m |
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148 | 148 | set_kernel_config CONFIG_NFT_BRIDGE_META m |
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149 | 149 | set_kernel_config CONFIG_NFT_BRIDGE_REJECT m |
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150 | 150 | set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV4 m |
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151 | 151 | set_kernel_config CONFIG_NFT_CHAIN_NAT_IPV6 m |
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152 | 152 | set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV4 m |
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153 | 153 | set_kernel_config CONFIG_NFT_CHAIN_ROUTE_IPV6 m |
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154 | 154 | set_kernel_config CONFIG_NFT_COMPAT m |
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155 | 155 | set_kernel_config CONFIG_NFT_COUNTER m |
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156 | 156 | set_kernel_config CONFIG_NFT_CT m |
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157 | 157 | set_kernel_config CONFIG_NFT_DUP_IPV4 m |
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158 | 158 | set_kernel_config CONFIG_NFT_DUP_IPV6 m |
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159 | 159 | set_kernel_config CONFIG_NFT_DUP_NETDEV m |
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160 | 160 | set_kernel_config CONFIG_NFT_EXTHDR m |
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161 | 161 | set_kernel_config CONFIG_NFT_FWD_NETDEV m |
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162 | 162 | set_kernel_config CONFIG_NFT_HASH m |
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163 | 163 | set_kernel_config CONFIG_NFT_LIMIT m |
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164 | 164 | set_kernel_config CONFIG_NFT_LOG m |
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165 | 165 | set_kernel_config CONFIG_NFT_MASQ m |
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166 | 166 | set_kernel_config CONFIG_NFT_MASQ_IPV4 m |
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167 | 167 | set_kernel_config CONFIG_NFT_MASQ_IPV6 m |
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168 | 168 | set_kernel_config CONFIG_NFT_META m |
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169 | 169 | set_kernel_config CONFIG_NFT_NAT m |
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170 | 170 | set_kernel_config CONFIG_NFT_NUMGEN m |
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171 | 171 | set_kernel_config CONFIG_NFT_QUEUE m |
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172 | 172 | set_kernel_config CONFIG_NFT_QUOTA m |
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173 | 173 | set_kernel_config CONFIG_NFT_REDIR m |
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174 | 174 | set_kernel_config CONFIG_NFT_REDIR_IPV4 m |
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175 | 175 | set_kernel_config CONFIG_NFT_REDIR_IPV6 m |
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176 | 176 | set_kernel_config CONFIG_NFT_REJECT m |
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177 | 177 | set_kernel_config CONFIG_NFT_REJECT_INET m |
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178 | 178 | set_kernel_config CONFIG_NFT_REJECT_IPV4 m |
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179 | 179 | set_kernel_config CONFIG_NFT_REJECT_IPV6 m |
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180 | 180 | set_kernel_config CONFIG_NFT_SET_HASH m |
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181 | 181 | set_kernel_config CONFIG_NFT_SET_RBTREE m |
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182 | 182 | set_kernel_config CONFIG_NF_CONNTRACK_IPV4 m |
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183 | 183 | set_kernel_config CONFIG_NF_CONNTRACK_IPV6 m |
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184 | 184 | set_kernel_config CONFIG_NF_DEFRAG_IPV4 m |
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185 | 185 | set_kernel_config CONFIG_NF_DEFRAG_IPV6 m |
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186 | 186 | set_kernel_config CONFIG_NF_DUP_IPV4 m |
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187 | 187 | set_kernel_config CONFIG_NF_DUP_IPV6 m |
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188 | 188 | set_kernel_config CONFIG_NF_LOG_BRIDGE m |
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189 | 189 | set_kernel_config CONFIG_NF_LOG_IPV4 m |
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190 | 190 | set_kernel_config CONFIG_NF_LOG_IPV6 m |
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191 | 191 | set_kernel_config CONFIG_NF_NAT_IPV4 m |
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192 | 192 | set_kernel_config CONFIG_NF_NAT_IPV6 m |
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193 | 193 | set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV4 m |
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194 | 194 | set_kernel_config CONFIG_NF_NAT_MASQUERADE_IPV6 m |
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195 | 195 | set_kernel_config CONFIG_NF_NAT_PPTP m |
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196 | 196 | set_kernel_config CONFIG_NF_NAT_PROTO_GRE m |
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197 | 197 | set_kernel_config CONFIG_NF_NAT_REDIRECT m |
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198 | 198 | set_kernel_config CONFIG_NF_NAT_SNMP_BASIC m |
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199 | 199 | set_kernel_config CONFIG_NF_NAT_TFTP m |
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200 | 200 | set_kernel_config CONFIG_NF_REJECT_IPV4 m |
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201 | 201 | set_kernel_config CONFIG_NF_REJECT_IPV6 m |
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202 | 202 | set_kernel_config CONFIG_NF_TABLES_INET m |
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203 | 203 | set_kernel_config CONFIG_NF_TABLES_IPV4 m |
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204 | 204 | set_kernel_config CONFIG_NF_TABLES_IPV6 m |
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205 | 205 | set_kernel_config CONFIG_NF_TABLES_NETDEV m |
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206 | 206 | set_kernel_config NETFILTER_XTABLES m |
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207 | 207 | fi |
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208 | ||
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208 | ||
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209 | 209 | #https://groups.google.com/forum/#!topic/linux.gentoo.user/_2aSc_ztGpA |
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210 | 210 | #https://github.com/torvalds/linux/blob/master/init/Kconfig#L848 |
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211 | 211 | # Enables BPF syscall for systemd-journald |
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212 | 212 | if [ "$KERNEL_BPF" = true ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then |
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213 | set_kernel_config CONFIG_BPF_SYSCALL y | |
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213 | set_kernel_config CONFIG_BPF_SYSCALL y | |
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214 | 214 | set_kernel_config CONFIG_CGROUP_BPF y |
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215 | 215 | fi |
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216 | ||
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216 | ||
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217 | 217 | #Revert to previous directory |
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218 | 218 | popd |
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219 | 219 | |
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220 | 220 | # Set kernel configuration parameters to enable qemu emulation |
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221 | 221 | if [ "$ENABLE_QEMU" = true ] ; then |
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222 | 222 | echo "CONFIG_FHANDLE=y" >> "${KERNEL_DIR}"/.config |
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223 | 223 | echo "CONFIG_LBDAF=y" >> "${KERNEL_DIR}"/.config |
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224 | 224 | |
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225 | 225 | if [ "$ENABLE_CRYPTFS" = true ] ; then |
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226 | 226 | { |
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227 | 227 | echo "CONFIG_EMBEDDED=y" |
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228 | 228 | echo "CONFIG_EXPERT=y" |
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229 | 229 | echo "CONFIG_DAX=y" |
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230 | 230 | echo "CONFIG_MD=y" |
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231 | 231 | echo "CONFIG_BLK_DEV_MD=y" |
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232 | 232 | echo "CONFIG_MD_AUTODETECT=y" |
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233 | 233 | echo "CONFIG_BLK_DEV_DM=y" |
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234 | 234 | echo "CONFIG_BLK_DEV_DM_BUILTIN=y" |
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235 | 235 | echo "CONFIG_DM_CRYPT=y" |
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236 | 236 | echo "CONFIG_CRYPTO_BLKCIPHER=y" |
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237 | 237 | echo "CONFIG_CRYPTO_CBC=y" |
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238 | 238 | echo "CONFIG_CRYPTO_XTS=y" |
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239 | 239 | echo "CONFIG_CRYPTO_SHA512=y" |
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240 | 240 | echo "CONFIG_CRYPTO_MANAGER=y" |
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241 | 241 | } >> ${KERNEL_DIR}/.config |
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242 | 242 | fi |
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243 | 243 | fi |
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244 | 244 | |
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245 | 245 | # Copy custom kernel configuration file |
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246 | 246 | if [ -n "$KERNELSRC_USRCONFIG" ] ; then |
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247 | 247 | cp "$KERNELSRC_USRCONFIG" "${KERNEL_DIR}"/.config |
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248 | 248 | fi |
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249 | 249 | |
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250 | 250 | # Set kernel configuration parameters to their default values |
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251 | 251 | if [ "$KERNEL_OLDDEFCONFIG" = true ] ; then |
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252 | 252 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" olddefconfig |
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253 | 253 | fi |
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254 | 254 | |
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255 | 255 | # Start menu-driven kernel configuration (interactive) |
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256 | 256 | if [ "$KERNEL_MENUCONFIG" = true ] ; then |
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257 | 257 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" menuconfig |
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258 | 258 | fi |
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259 | 259 | fi |
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260 | 260 | |
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261 | 261 | # Use ccache to cross compile the kernel |
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262 | 262 | if [ "$KERNEL_CCACHE" = true ] ; then |
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263 | 263 | cc="ccache ${CROSS_COMPILE}gcc" |
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264 | 264 | else |
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265 | 265 | cc="${CROSS_COMPILE}gcc" |
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266 | 266 | fi |
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267 | 267 | |
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268 | 268 | # Cross compile kernel and dtbs |
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269 | 269 | make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" "${KERNEL_BIN_IMAGE}" dtbs |
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270 | 270 | |
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271 | 271 | # Cross compile kernel modules |
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272 | 272 | if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then |
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273 | 273 | make -C "${KERNEL_DIR}" -j"${KERNEL_THREADS}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" modules |
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274 | 274 | fi |
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275 | 275 | fi |
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276 | 276 | |
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277 | 277 | # Check if kernel compilation was successful |
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278 | 278 | if [ ! -r "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" ] ; then |
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279 | 279 | echo "error: kernel compilation failed! (kernel image not found)" |
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280 | 280 | cleanup |
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281 | 281 | exit 1 |
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282 | 282 | fi |
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283 | 283 | |
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284 | 284 | # Install kernel modules |
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285 | 285 | if [ "$ENABLE_REDUCE" = true ] ; then |
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286 | 286 | if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then |
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287 | 287 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_STRIP=1 INSTALL_MOD_PATH=../../.. modules_install |
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288 | 288 | fi |
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289 | 289 | else |
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290 | 290 | if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then |
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291 | 291 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_MOD_PATH=../../.. modules_install |
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292 | 292 | fi |
|
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293 | 293 | |
|
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294 | 294 | # Install kernel firmware |
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295 | 295 | if [ "$(grep "^firmware_install:" "${KERNEL_DIR}/Makefile")" ] ; then |
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296 | 296 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_FW_PATH=../../../lib firmware_install |
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297 | 297 | fi |
|
|
298 | 298 | fi |
|
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299 | 299 | |
|
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300 | 300 | # Install kernel headers |
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301 | 301 | if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then |
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302 | 302 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install |
|
|
303 | 303 | fi |
|
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304 | 304 | # make tar.gz kernel package - missing os bzw. modules |
|
|
305 | 305 | #** ** ** WARNING ** ** ** |
|
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306 | 306 | #Your architecture did not define any architecture-dependent files |
|
|
307 | 307 | #to be placed into the tarball. Please add those to ./scripts/package/buildtar . |
|
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308 | 308 | # make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}" targz-pkg |
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309 | 309 | |
|
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310 | 310 | # Prepare boot (firmware) directory |
|
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311 | 311 | mkdir "${BOOT_DIR}" |
|
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312 | 312 | |
|
|
313 | 313 | # Get kernel release version |
|
|
314 | 314 | KERNEL_VERSION=$(cat "${KERNEL_DIR}/include/config/kernel.release") |
|
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315 | 315 | |
|
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316 | 316 | # Copy kernel configuration file to the boot directory |
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317 | 317 | install_readonly "${KERNEL_DIR}/.config" "${R}/boot/config-${KERNEL_VERSION}" |
|
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318 | 318 | |
|
|
319 | 319 | # Prepare device tree directory |
|
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320 | 320 | mkdir "${BOOT_DIR}/overlays" |
|
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321 | 321 | |
|
|
322 | 322 | # Ensure the proper .dtb is located |
|
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323 | 323 | if [ "$KERNEL_ARCH" = "arm" ] ; then |
|
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324 | 324 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/"*.dtb ; do |
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325 | 325 | if [ -f "${dtb}" ] ; then |
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326 | 326 | install_readonly "${dtb}" "${BOOT_DIR}/" |
|
|
327 | 327 | fi |
|
|
328 | 328 | done |
|
|
329 | 329 | else |
|
|
330 | 330 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/broadcom/"*.dtb ; do |
|
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331 | 331 | if [ -f "${dtb}" ] ; then |
|
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332 | 332 | install_readonly "${dtb}" "${BOOT_DIR}/" |
|
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333 | 333 | fi |
|
|
334 | 334 | done |
|
|
335 | 335 | fi |
|
|
336 | 336 | |
|
|
337 | 337 | # Copy compiled dtb device tree files |
|
|
338 | 338 | if [ -d "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays" ] ; then |
|
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339 | 339 | for dtb in "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/"*.dtb ; do |
|
|
340 | 340 | if [ -f "${dtb}" ] ; then |
|
|
341 | 341 | install_readonly "${dtb}" "${BOOT_DIR}/overlays/" |
|
|
342 | 342 | fi |
|
|
343 | 343 | done |
|
|
344 | 344 | |
|
|
345 | 345 | if [ -f "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" ] ; then |
|
|
346 | 346 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/dts/overlays/README" "${BOOT_DIR}/overlays/README" |
|
|
347 | 347 | fi |
|
|
348 | 348 | fi |
|
|
349 | 349 | |
|
|
350 | 350 | if [ "$ENABLE_UBOOT" = false ] ; then |
|
|
351 | 351 | # Convert and copy kernel image to the boot directory |
|
|
352 | 352 | "${KERNEL_DIR}/scripts/mkknlimg" "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
|
|
353 | 353 | else |
|
|
354 | 354 | # Copy kernel image to the boot directory |
|
|
355 | 355 | install_readonly "${KERNEL_DIR}/arch/${KERNEL_ARCH}/boot/${KERNEL_BIN_IMAGE}" "${BOOT_DIR}/${KERNEL_IMAGE}" |
|
|
356 | 356 | fi |
|
|
357 | 357 | |
|
|
358 | 358 | # Remove kernel sources |
|
|
359 | 359 | if [ "$KERNEL_REMOVESRC" = true ] ; then |
|
|
360 | 360 | rm -fr "${KERNEL_DIR}" |
|
|
361 | 361 | else |
|
|
362 | 362 | # Prepare compiled kernel modules |
|
|
363 | 363 | if [ "$(grep "CONFIG_MODULES=y" "${KERNEL_DIR}/.config")" ] ; then |
|
|
364 | 364 | if [ "$(grep "^modules_prepare:" "${KERNEL_DIR}/Makefile")" ] ; then |
|
|
365 | 365 | make -C "${KERNEL_DIR}" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" modules_prepare |
|
|
366 | 366 | fi |
|
|
367 | 367 | |
|
|
368 | 368 | # Create symlinks for kernel modules |
|
|
369 | 369 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/build" |
|
|
370 | 370 | chroot_exec ln -sf /usr/src/linux "/lib/modules/${KERNEL_VERSION}/source" |
|
|
371 | 371 | fi |
|
|
372 | 372 | fi |
|
|
373 | 373 | |
|
|
374 | 374 | else # BUILD_KERNEL=false |
|
|
375 | 375 | # echo " Install precompiled kernel..." |
|
|
376 | 376 | # echo "error: not implemented" |
|
|
377 | 377 | if [ "$KERNEL_ARCH" = arm64 ] && ( [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ) ; then |
|
|
378 | 378 | # Create temporary directory for dl |
|
|
379 | 379 | temp_dir=$(as_nobody mktemp -d) |
|
|
380 | 380 | |
|
|
381 | 381 | # Fetch kernel dl |
|
|
382 | 382 | as_nobody wget -O "${temp_dir}"/kernel.tar.xz -c "$RPI3_64_KERNEL_URL" |
|
|
383 | 383 | #extract download |
|
|
384 | 384 | tar -xJf "${temp_dir}"/kernel.tar.xz -C "${R}" |
|
|
385 | 385 | |
|
|
386 | 386 | # Remove temporary directory for kernel sources |
|
|
387 | 387 | rm -fr "${temp_dir}" |
|
|
388 | 388 | |
|
|
389 | 389 | # Set permissions of the kernel sources |
|
|
390 |
chown -R root:root "${R}/boot/ |
|
|
|
391 |
|
|
|
|
390 | chown -R root:root "${R}/boot/" | |
|
|
391 | chown -R root:root "${R}/lib" | |
|
|
392 | 392 | fi |
|
|
393 | 393 | |
|
|
394 | 394 | # Check if kernel installation was successful |
|
|
395 | 395 | KERNEL="$(ls -1 "${R}"/boot/kernel* | sort | tail -n 1)" |
|
|
396 | 396 | if [ -z "$KERNEL" ] ; then |
|
|
397 | 397 | echo "error: kernel installation failed! (/boot/kernel* not found)" |
|
|
398 | 398 | cleanup |
|
|
399 | 399 | exit 1 |
|
|
400 | 400 | fi |
|
|
401 | 401 | |
|
|
402 | 402 | if [ "$SET_ARCH" = 64 ] ; then |
|
|
403 | 403 | echo "Using precompiled arm64 kernel" |
|
|
404 | 404 | else |
|
|
405 | 405 | echo "error: no precompiled arm64 (bcmrpi3) kernel found" |
|
|
406 | 406 | exit 1 |
|
|
407 | 407 | # inset precompiled 64 bit kernel code here |
|
|
408 | 408 | fi |
|
|
409 | 409 | #fi build_kernel=true |
|
|
410 | 410 | fi |
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