1 | #!/bin/bash |
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2 | |
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3 | # cross-lfs target linux kernel build |
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4 | # ----------------------------------- |
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5 | # $LastChangedBy$ |
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6 | # $LastChangedDate$ |
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7 | # $LastChangedRevision$ |
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8 | # $HeadURL$ |
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9 | # |
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10 | |
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11 | cd ${HST_TOOLS}/bin && |
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12 | gzip -dc ${TARBALLS}/depmod.pl.gz > depmod.pl && |
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13 | patch < ${PATCHES}/depmod-pl-lfh-cross-compile.patch && |
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14 | chmod 755 depmod.pl || barf |
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15 | |
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16 | ### KERNEL ### |
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17 | set -x |
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18 | |
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19 | cd ${SRC} |
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20 | LOG=kernel.log |
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21 | unpack_tarball linux-${KERNEL_VER} && |
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22 | |
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23 | cd ${SRC}/${PKGDIR} |
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24 | |
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25 | case ${TGT_ARCH} in |
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26 | i?86 ) ARCH=i386 ;; |
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27 | sparc64* | ultrasparc* ) ARCH=sparc64 ;; |
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28 | sparc* ) ARCH=sparc ;; |
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29 | powerpc64 | ppc64 ) ARCH=ppc64 ;; |
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30 | powerpc | ppc ) ARCH=ppc ;; |
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31 | s390* ) ARCH=s390 ;; |
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32 | mips* ) ARCH=mips ;; |
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33 | * ) ARCH=${TGT_ARCH} ;; |
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34 | esac |
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35 | echo $PATH |
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36 | |
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37 | # get gas version |
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38 | target_gas_ver=`${TARGET}-as --version | head -n 1 | \ |
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39 | sed 's@.* \([0-9.]*\) .*@\1@g'` |
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40 | |
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41 | # get gcc version |
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42 | target_gcc_ver=`${TARGET}-gcc -v 2>&1 | grep " version " | \ |
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43 | sed 's@.*version \([0-9.]*\).*@\1@g'` |
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44 | |
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45 | case ${KERNEL_VER} in |
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46 | 2.4.* ) |
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47 | apply_patch linux-2.4-lfh-Makefile && |
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48 | if [ "${ARCH}" = "m68k" ] ; then |
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49 | test -f ${PATCHES}/linux-${KERNEL_VER}-m68k-lfh.patch && \ |
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50 | apply_patch linux-${KERNEL_VER}-m68k-lfh |
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51 | fi |
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52 | ;; |
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53 | 2.6.* ) |
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54 | # TODO: need to handle kernel patching a whole lot better |
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55 | # than this... |
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56 | # What might be better is to have a separate dir for kernel patches |
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57 | # and apply conditionally all patches in said directory. |
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58 | # Maybe something like |
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59 | # patches/kernel/2.6 |
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60 | # /2.6.x <- version specific |
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61 | # /binutils-2.16 <- binutils ver specific for kern |
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62 | # /gcc-4 <- gcc ver specific |
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63 | |
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64 | # fix issues with kernel concerning 2.16 binutils |
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65 | # checked against 2.6.11, need to check against 2.6.12 |
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66 | case ${target_gas_ver} in |
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67 | 2.16* ) apply_patch linux-2.6-seg-5 ;; |
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68 | esac |
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69 | |
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70 | # fix gcc4 compilation issues |
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71 | # Note: you cannot compile kernel < 2.6.9 with gcc4 |
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72 | case ${target_gcc_ver} in |
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73 | 4.* ) apply_patch linux-2.6.11-gcc4_fixes -Np0 ;; |
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74 | esac |
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75 | |
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76 | # update cx88 driver (applies 2.6.10 + 2.6.11, need to check 2.6.12+ ) |
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77 | case ${KERNEL_VER} in |
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78 | 2.6.10* ) apply_patch linux-2.6.10-cx88-update ;; |
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79 | 2.6.11* ) apply_patch linux-2.6.11-rc4-enable_dvico_dvb ;; |
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80 | esac |
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81 | |
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82 | # This is to remove some gnu-specific expr syntax and invoke depmod.pl |
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83 | # instead of depmod since we need a depmod that is not a target-native |
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84 | # binary. |
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85 | apply_patch linux-2.6-lfh-Makefile |
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86 | ;; |
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87 | esac |
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88 | |
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89 | max_log_init kernel ${KERNEL_VER} '' ${CONFLOGS} ${LOG} |
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90 | |
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91 | # TODO: Fix this up again... won't stop on error now... |
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92 | #----------------------------------------------------------- |
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93 | make mrproper >> ${LOGFILE} 2>&1 |
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94 | |
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95 | test -f ${CONFIGS}/kernel/linux-${KERNEL_VER}-${TGT_ARCH}.config && |
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96 | { |
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97 | cp ${CONFIGS}/kernel/linux-${KERNEL_VER}-${TGT_ARCH}.config .config || barf |
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98 | echo "got kernel config" |
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99 | yes "" | make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- oldconfig |
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100 | } || { |
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101 | echo "generating kernel config" |
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102 | case ${KERNEL_VER} in |
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103 | 2.4.* ) |
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104 | yes "" | env -i PATH=${PATH} make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- config ;; |
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105 | 2.6.* ) |
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106 | yes "" | env -i PATH=${PATH} make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- defconfig ;; |
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107 | esac |
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108 | } |
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109 | echo " o Configure OK" && |
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110 | #----------------------------------------------------------- |
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111 | |
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112 | min_log_init ${BUILDLOGS} |
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113 | |
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114 | case ${KERNEL_VER} in |
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115 | 2.4.* ) |
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116 | env -i PATH=${PATH} make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- dep && |
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117 | env -i PATH=${PATH} make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- vmlinux && |
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118 | env -i PATH=${PATH} make ARCH=${ARCH} CROSS_COMPILE=${TARGET}- modules |
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119 | ;; |
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120 | 2.6.* ) |
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121 | env -i PATH=${PATH} make V=1 ARCH=${ARCH} CROSS_COMPILE=${TARGET}- |
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122 | ;; |
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123 | esac >> ${LOGFILE} 2>&1 && |
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124 | echo " o Build OK" || barf |
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125 | |
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126 | min_log_init ${INSTLOGS} |
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127 | |
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128 | if grep -q ^CONFIG_MODULES .config ; then |
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129 | mkdir -p ${LFS}/lib/modules && |
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130 | env -i PATH=${PATH} make INSTALL_MOD_PATH=${LFS} ARCH=${ARCH} CROSS_COMPILE=${TARGET}- modules_install \ |
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131 | >> ${LOGFILE} 2>&1 || barf |
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132 | fi |
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133 | |
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134 | mkdir -p ${LFS}/boot |
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135 | |
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136 | case ${ARCH} in |
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137 | alpha ) |
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138 | if [ -e arch/${ARCH}/boot/vmlinux.gz ]; then |
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139 | cp arch/${ARCH}/boot/vmlinux.gz ${LFS}/boot/vmlinux-${KERNEL_VER}.gz |
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140 | else |
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141 | gzip -c vmlinux > ${LFS}/boot/vmlinux-${KERNEL_VER}.gz |
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142 | fi |
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143 | ;; |
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144 | ppc* ) |
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145 | cp vmlinux ${LFS}/boot/vmlinux-${KERNEL_VER} |
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146 | ;; |
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147 | * ) |
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148 | if [ -e arch/${ARCH}/boot/bzImage ]; then |
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149 | cp arch/${ARCH}/boot/bzImage ${LFS}/boot/bzImage-${KERNEL_VER} |
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150 | else |
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151 | cp vmlinux ${LFS}/boot/vmlinux-${KERNEL_VER} |
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152 | fi |
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153 | ;; |
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154 | esac && |
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155 | |
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156 | cp System.map ${LFS}/boot/System.map-${KERNEL_VER} && |
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157 | cp .config ${LFS}/boot/config-${KERNEL_VER} && |
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158 | cd ${LFS}/boot && |
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159 | ln -s System.map-${KERNEL_VER} System.map && |
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160 | cd ${LFS} && |
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161 | rm -f lib/modules/${KERNEL_VER}/build && # delete this link as it points to the build host filesystem |
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162 | chmod -R g-w,o-w boot lib/modules && |
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163 | echo " o All OK" || barf |
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