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generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-07-02 02:56:18 +0000


 


os .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
td.linenos .special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
span.linenos.special { color: #000000; background-color: #ffffc0; padding-left: 5px; padding-right: 5px; }
.highlight .hll { background-color: #ffffcc }
.highlight .c { color: #888888 } /* Comment */
.highlight .err { color: #a61717; background-color: #e3d2d2 } /* Error */
.highlight .k { color: #008800; font-weight: bold } /* Keyword */
.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
.highlight .c1 { color: #888888 } /* Comment.Single */
.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
.highlight .gd { color: #000000; background-color: #ffdddd } /* Generic.Deleted */
.highlight .ge { font-style: italic } /* Generic.Emph */
.highlight .ges { font-weight: bold; font-style: italic } /* Generic.EmphStrong */
.highlight .gr { color: #aa0000 } /* Generic.Error */
.highlight .gh { color: #333333 } /* Generic.Heading */
.highlight .gi { color: #000000; background-color: #ddffdd } /* Generic.Inserted */
.highlight .go { color: #888888 } /* Generic.Output */
.highlight .gp { color: #555555 } /* Generic.Prompt */
.highlight .gs { font-weight: bold } /* Generic.Strong */
.highlight .gu { color: #666666 } /* Generic.Subheading */
.highlight .gt { color: #aa0000 } /* Generic.Traceback */
.highlight .kc { color: #008800; font-weight: bold } /* Keyword.Constant */
.highlight .kd { color: #008800; font-weight: bold } /* Keyword.Declaration */
.highlight .kn { color: #008800; font-weight: bold } /* Keyword.Namespace */
.highlight .kp { color: #008800 } /* Keyword.Pseudo */
.highlight .kr { color: #008800; font-weight: bold } /* Keyword.Reserved */
.highlight .kt { color: #888888; font-weight: bold } /* Keyword.Type */
.highlight .m { color: #0000DD; font-weight: bold } /* Literal.Number */
.highlight .s { color: #dd2200; background-color: #fff0f0 } /* Literal.String */
.highlight .na { color: #336699 } /* Name.Attribute */
.highlight .nb { color: #003388 } /* Name.Builtin */
.highlight .nc { color: #bb0066; font-weight: bold } /* Name.Class */
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.highlight .nd { color: #555555 } /* Name.Decorator */
.highlight .ne { color: #bb0066; font-weight: bold } /* Name.Exception */
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#!/bin/sh
# Build one or more .subx files into an ELF binary, and package it up into a
# bootable ISO image with a Linux kernel.
#
# Must be run on Linux, and from the top-level mu/ directory.
#
# Dependencies:
#   apt install build-essential flex bison wget libelf-dev libssl-dev xorriso
#
# Based on http://minimal.linux-bg.org (GPLv3)

set -e

if [ $# -eq 0 ]
then
  echo "Usage: `basename $0` file.subx ..."
  exit 1
fi

echo "=== building SubX binary"
./translate_subx $*
mv a.elf init

echo "=== constructing initramfs out of SubX binary"
rm -rf tmp_linux/isoimage
mkdir -p tmp_linux/isoimage/boot
echo init | cpio -R root:root -H newc -o | xz -9 --check=none > tmp_linux/isoimage/boot/rootfs.xz

if [ ! -d kernel.linux ]
then
  echo "=== cloning linux kernel"
  git clone https://github.com/akkartik/kernel kernel.linux
fi

echo "=== building linux kernel"
( cd kernel.linux
  make bzImage -j $(grep ^processor /proc/cpuinfo | wc -l)
)
cp *.linux/arch/x86/boot/bzImage tmp_linux/isoimage/boot/kernel.xz

echo "=== downloading syslinux"
test -f tmp_linux/syslinux-6.03.tar.xz  ||  wget https://kernel.org/pub/linux/utils/boot/syslinux/syslinux-6.03.tar.xz -P tmp_linux
echo "=== unpacking syslinux"
tar xf tmp_linux/syslinux-*.tar.xz -C tmp_linux

mkdir -p tmp_linux/isoimage/boot/syslinux
cp tools/iso/syslinux.cfg \
   tmp_linux/syslinux-*/bios/core/isolinux.bin \
   tmp_linux/syslinux-*/bios/com32/elflink/ldlinux/ldlinux.c32 \
   tmp_linux/isoimage/boot/syslinux

echo "=== generating mu_linux.iso"
# 'hybrid' ISO can also be used on non-optical media such as a disk or USB stick
xorriso -as mkisofs \
  -isohybrid-mbr tmp_linux/syslinux-*/bios/mbr/isohdpfx.bin \
  -c boot/syslinux/boot.cat \
  -b boot/syslinux/isolinux.bin \
    -no-emul-boot \
    -boot-load-size 4 \
    -boot-info-table \
  tmp_linux/isoimage -o mu_linux.iso