2fa7367de9
The bs ins't the image size. rather it's the number of byte that is read at time. Thus the setting it to something like 1M is enough. And is the number of times it repeats. Thus setting count to 256 should suffice.
59 lines
1.4 KiB
Bash
Executable File
59 lines
1.4 KiB
Bash
Executable File
#!/bin/bash
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. config/config.bash
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set -e
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# Install the required packages
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sudo apt-get update
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sudo apt-get install -y\
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curl\
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xz-utils\
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bzip2\
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fakeroot\
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build-essential\
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ncurses-dev\
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libssl-dev\
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bc\
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flex\
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libelf-dev\
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bison\
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autoconf\
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libtool\
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libpng-dev\
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libfreetype-dev\
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git
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# Create the dist directory
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mkdir -p dist/boot
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# Download the kernel source
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wget https://www.kernel.org/pub/linux/kernel/v${LINUX_MAJOR}.x/linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}.tar.xz
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tar -xf linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}.tar.xz
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cd linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}
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cp ../config/linux.config .config
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make -j$(nproc)
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echo $PWD
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cp arch/x86/boot/bzImage ../dist/boot/.
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cd ..
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# Download the busybox source
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wget https://busybox.net/downloads/busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}.tar.bz2
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tar -xf busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}.tar.bz2
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cd busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}
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cp ../config/busybox.config .config
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make -j$(nproc)
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make CONFIG_PREFIX=../dist install
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cd ..
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# Create the bootable image
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dd if=/dev/zero of=dist/boot/boot.img bs=1M count=256
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mkfs.ext4 dist/boot/boot.img
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mkdir -p dist/mnt
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sudo mount dist/boot/boot.img dist/mnt
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set +e
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sudo cp -r dist/* dist/mnt/.
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set -e
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sudo umount dist/mnt
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sudo rmdir dist/mnt
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