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39 lines
1022 B
Bash
39 lines
1022 B
Bash
3 years ago
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#!/bin/bash
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if [ ! -e ./linux-5.17.2.tar.xz ] ; then
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echo "Fetching Linux..."
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wget https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.17.2.tar.xz
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fi
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if [ ! -e ./linux-5.17.2 ] ; then
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echo "Extracting Linux..."
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tar xf ./linux-5.17.2.tar.xz
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cp config-5.17.2tiny ./linux-5.17.2/.config
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cd ./linux-5.17.2
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echo "Patching Linux..."
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patch usr/gen_initramfs.sh < ../linux/patches/gen_initramfs.sh.patch
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# TODO: Other patches necessary? They do save some space...
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else
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cd ./linux-5.17.2
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fi
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echo "Creating initramfs file structure..."
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sudo rm -rf initrd
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mkdir -p initrd/{bin,dev/pts,etc/init.d,lib/modules,mnt,proc,root,run,sys}
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cp ../linux/{fstab,group,inittab,passwd} initrd/etc
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make -C ../preinit
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cp ../preinit/init initrd/init
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echo "Calling sudo to create initramfs's /dev/console..."
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sudo mknod initrd/dev/console c 5 1
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echo "Building Linux..."
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make -j8
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echo "Calling sudo to copy bzImage to the floppy folder..."
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sudo cp arch/x86/boot/bzImage ../floppy/boot/bzImage
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