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annotate system-image.sh @ 586:c9c7420e952b

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More tweaks to make hw- targets work.
author Rob Landley <rob@landley.net>
date Tue, 13 Jan 2009 22:16:10 -0600
parents 9dffdd74c186
children 965923c576f3
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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177
6b4844b708b9 dash->bash.
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1 #!/bin/bash
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2
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036dbe218036 Add BASE_ARCH support, so a hardware architecture can specify a base architecture and just provide a different kernel.
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3 # Create a bootable system image from mini-native
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4
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5 NO_BASE_ARCH=1
503
e98ed40c55ef Move include.sh to sources/include.sh. End user doesn't call it directly, shouldn't be at top level.
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6 source sources/include.sh
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7
485
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8 echo -e "$PACKAGE_COLOR"
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9 echo "=== Packaging system image from mini-native"
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10
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11 [ -z "$SYSIMAGE_TYPE" ] && SYSIMAGE_TYPE=ext2
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12
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13 SYSIMAGE="${BUILD}/system-image-${ARCH_NAME}"
462
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14
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15 TOOLSDIR=tools
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16 [ -z "$NATIVE_TOOLSDIR" ] && TOOLSDIR=usr
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17
490
004f9509349b Rip out User Mode Linux, switch to genext2fs instead. (Based on an old patch from James Davidson.)
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18 # Flush old system-image directory
468
3d2996abb6ea Moving the temp dir broke non-root packaging: fix it.
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19
490
004f9509349b Rip out User Mode Linux, switch to genext2fs instead. (Based on an old patch from James Davidson.)
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20 rm -rf "${SYSIMAGE}"
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21 mkdir -p "${SYSIMAGE}" || dienow
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22
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23 # This next bit is a little complicated; we generate the root filesystem image
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24 # in the middle of building a kernel. This is necessary to embed an
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25 # initramfs in the kernel, and allows us to parallelize the kernel build with
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26 # the image generation. Having the other image types in the same if/else
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27 # staircase with initramfs lets us detect unknown image types (probably typos)
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28 # without repeating any.
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29
553
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30 # Build a linux kernel for the target
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31
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32 setupfor linux
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33 [ -z "$BOOT_KARCH" ] && BOOT_KARCH="$KARCH"
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34 make ARCH="${BOOT_KARCH}" KCONFIG_ALLCONFIG="$(getconfig linux)" \
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35 allnoconfig > /dev/null || dienow
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36
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37 # Build kernel in parallel with initramfs
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38
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39 ( make -j $CPUS ARCH="${BOOT_KARCH}" CROSS_COMPILE="${ARCH}-" $LINUX_FLAGS ||
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40 dienow ) &
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41
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42 # If we exit before removing this handler, kill everything in the current
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43 # process group, which should take out backgrounded kernel make.
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44 trap "kill 0" EXIT
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45
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46 # Embed an initramfs image in the kernel?
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47
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48 if [ "$SYSIMAGE_TYPE" == "initramfs" ]
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49 then
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50 echo "Generating initramfs (in background)"
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51 (
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52 $CC usr/gen_init_cpio.c -o my_gen_init_cpio || dienow
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53 (./my_gen_init_cpio <(
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54 [ ! -d "$NATIVE"/dev ] && echo "dir /dev 755 0 0"
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55 [ ! -e "$NATIVE"/init ] &&
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56 echo "slink /init $NATIVE/$TOOLSDIR/sbin/init.sh 755 0 0"
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57
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58 "$SOURCES"/toys/gen_initramfs_list.sh "$NATIVE" &&
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59 echo "nod /dev/console 640 0 0 c 5 1" >> initramfs.txt || dienow
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60 ) || dienow
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61 ) | gzip -9 > initramfs_data.cpio.gz || dienow
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62 echo Initramfs generated.
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63 ) &
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64
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65 # Wait for initial kernel build to finish.
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66
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67 wait4background 0
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68
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69 # This is a repeat of an earlier make invocation, but if we try to
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70 # consolidate them the dependencies build unnecessary prereqisites
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71 # and then decide that they're newer than the cpio.gz we supplied,
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72 # and thus overwrite it with a default (emptyish) one.
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73
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de6725a2fdad Fix an "it doesn't boot" bug dating back to commit 553. Sigh.
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74 echo "Building kernel with initramfs."
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75 [ -f initramfs_data.cpio.gz ] &&
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76 touch initramfs_data.cpio.gz &&
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77 mv initramfs_data.cpio.gz usr &&
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78 make -j $CPUS ARCH="${BOOT_KARCH}" CROSS_COMPILE="${ARCH}-" || dienow
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79
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80 # No need to supply an hda image to emulator.
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81
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82 IMAGE=
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83 elif [ "$SYSIMAGE_TYPE" == "ext2" ]
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84 then
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85 # Generate a 64 megabyte ext2 filesystem image from the $NATIVE directory,
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86 # with a temporary file defining the /dev nodes for the new filesystem.
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87
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88 echo "Generating ext2 image (in background)"
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89
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90 IMAGE="image-${ARCH}.ext2"
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91 DEVLIST="$WORK"/devlist
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92
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93 echo "/dev d 755 0 0 - - - - -" > "$DEVLIST" &&
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94 echo "/dev/console c 640 0 0 5 1 0 0 -" >> "$DEVLIST" &&
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95
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96 genext2fs -z -D "$DEVLIST" -d "${NATIVE}" -i 1024 -b $[64*1024] \
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97 "${SYSIMAGE}/${IMAGE}" &&
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98 rm "$DEVLIST" || dienow
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99
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100 #elif [ "$SYSIMAGE_TYPE" == "squashfs" ]
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101 #then
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102 # We used to do this, but updating the squashfs patch for each new kernel
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103 # was just too much work. If it gets merged someday, we may care again...
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104
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105 # IMAGE="image-${ARCH}.sqf"
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106 # echo -n "Creating squashfs image (in background)"
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107 # "${WORK}/mksquashfs" "${NATIVE}" "${SYSIMAGE}/$IMAGE" \
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108 # -noappend -all-root -info || dienow
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109 else
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110 echo "Unknown image type." >&2
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111 dienow
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112 fi
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113
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114 # Wait for kernel build to finish (may be a NOP)
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115
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116 echo Image generation complete.
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117 wait4background 0
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118 trap "" EXIT
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119
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120 # Install kernel
109
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121
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122 [ -d "${TOOLS}/src" ] && cp .config "${TOOLS}"/src/config-linux
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123 cp "${KERNEL_PATH}" "${SYSIMAGE}/zImage-${ARCH}" &&
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124 cd ..
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125
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126 cleanup linux
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127
330
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128 # Provide qemu's common command line options between architectures. The lack
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129 # of ending quotes on -append is intentional, callers append more kernel
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130 # command line arguments and provide their own ending quote.
325
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131 function qemu_defaults()
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132 {
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133 if [ "$SYSIMAGE_TYPE" != "initramfs" ]
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134 then
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135 HDA="-hda \"$1\" "
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136 APPEND="root=/dev/$ROOT console=$CONSOLE rw init=/$TOOLSDIR/sbin/init.sh "
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137 fi
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138
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139 echo "-nographic -no-reboot -kernel \"$2\" \$WITH_HDB $HDA" \
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140 "-append \"${APPEND}panic=1 PATH=\$DISTCC_PATH_PREFIX/\$TOOLSDIR/bin" \
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141 '$KERNEL_EXTRA"'
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142 }
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143
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144 # Write out a script to call the appropriate emulator. We split out the
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145 # filesystem, kernel, and base kernel command line arguments in case you want
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146 # to use an emulator other than qemu, but put the default case in qemu_defaults
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147
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148 cp "$SOURCES/toys/run-emulator.sh" "$SYSIMAGE/run-emulator.sh" &&
537
15af90157a19 Move the kernel image file from the temp dir into the mini-native dir, and teach packaging not to put it in the ext2 image. (Don't keep important files in the temp directory.)
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149 emulator_command image-$ARCH.ext2 zImage-$ARCH >> "$SYSIMAGE/run-emulator.sh"
306
358ef8a27085 Break up run-$ARCH.sh, move more temp files into temp dir, fix deletion logic.
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150
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151 [ $? -ne 0 ] && dienow
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152
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153 if [ "$ARCH" == powerpc ]
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154 then
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155 cp "$SOURCES"/toys/ppc_rom.bin "$SYSIMAGE" || dienow
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156 fi
109
d9dae1196ea7 Package ext2 filesystem image using UML.
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157
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158 # Tar it up.
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159
586
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160 tar -cvj -f "$BUILD"/system-image-$ARCH_NAME.tar.bz2 \
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161 -C "$BUILD" system-image-$ARCH_NAME || dienow
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98c1a2136322 Update package-mini-native.sh to create qemu-image-$ARCH.tar.bz2
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162
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163 echo -e "=== Packaging complete\e[0m"