Initial commit

.github/workflows/build.yml

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+name: Build
+
+on:
+    push:
+        branches:
+            - main
+    pull_request:
+        branches:
+            - main
+
+jobs:
+    build:
+        runs-on: ubuntu-latest
+
+        steps:
+            - name: Checkout repository
+              uses: actions/checkout@v2
+
+            - name: Run build.bash
+              run: ./build.bash
+
+            - name: Create release
+              uses: actions/create-release@v1
+              with:
+                  tag_name: ${{ github.ref }}
+                  release_name: Build Number\:${{ github.ref }}
+                  draft: false
+                  prerelease: false
+                  files: |
+                      dist/boot/boot.img

build.bash

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+#!/bin/bash
+
+. config/config.bash
+
+set -e
+
+# Install the required packages
+apt-get update
+apt-get install -y\
+    curl\
+    xz-utils\
+    bzip2\
+    fakeroot\
+    build-essential\
+    ncurses-dev\
+    libssl-dev\
+    bc\
+    flex\
+    libelf-dev\
+    bison\
+    autoconf\
+    libtool\
+    libpng-dev\
+    libfreetype-dev\
+    git
+
+# Create the dist directory
+mkdir -p dist/boot
+
+# Download the kernel source
+wget https://www.kernel.org/pub/linux/kernel/v${LINUX_MAJOR}.x/linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}.tar.xz
+tar -xvf linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}.tar.xz
+cd linux-${LINUX_MAJOR}.${LINUX_MINOR}.${LINUX_PATCH}
+    cp ../config/linux.config .config
+    make -j$(nproc)
+    echo $PWD
+    cp arch/x86/boot/bzImage ../dist/boot/.
+cd ..
+
+# Download the busybox source
+wget https://busybox.net/downloads/busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}.tar.bz2
+tar -xvf busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}.tar.bz2
+cd busybox-${BUSYBOX_MAJOR}.${BUSYBOX_MINOR}.${BUSYBOX_PATCH}
+    cp ../config/busybox.config .config
+    make -j$(nproc)
+    make CONFIG_PREFIX=../dist install
+cd ..
+
+# Create the bootable image
+dd if=/dev/zero of=dist/boot/boot.img bs=1M count=64
+mkfs.ext4 dist/boot/boot.img
+mkdir -p dist/mnt
+mount dist/boot/boot.img dist/mnt
+    cp -r dist/* dist/mnt/.
+    umount dist/mnt
+rmdir dist/mnt

config/config.bash

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+#!/bin/bash
+
+LINUX_MAJOR=6
+LINUX_MINOR=7
+LINUX_PATCH=4
+
+BUSYBOX_MAJOR=1
+BUSYBOX_MINOR=36
+BUSYBOX_PATCH=1