mirror of
https://github.com/AsahiLinux/m1n1
synced 2024-09-20 05:01:53 +00:00
66 lines
1.5 KiB
Bash
Executable file
66 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
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set -e
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: ${TMPDIR:=$XDG_RUNTIME_DIR}
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: ${TMPDIR:=/tmp}
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if [ "$1" == "-k" ]; then
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kernel="$(realpath "$2")"
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shift 2
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fi
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if [ ! -d "$1" ]; then
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echo "Usage:"
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echo " $0 <kernel build root> [kernel commandline] [initramfs]"
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exit 1
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fi
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kernel_base="$(realpath "$1")"
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args="$2"
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initramfs=""
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shift 2
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if [ "$1" == "--" ]; then
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shift
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elif [ -n "$1" ]; then
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initramfs="$(realpath "$1")"
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shift
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fi
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if [ -z "$kernel" ]; then
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kernel="$kernel_base"/arch/arm64/boot/Image.gz
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fi
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base="$(dirname "$0")"
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echo "Creating m1n1+kernel image"
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cp "$base"/../../build/m1n1.bin "$TMPDIR/m1n1-linux.bin"
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if [ -n "$args" ]; then
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echo "chosen.bootargs=$args" >>"$TMPDIR/m1n1-linux.bin"
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fi
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cat "$kernel_base"/arch/arm64/boot/dts/apple/*.dtb >>"$TMPDIR/m1n1-linux.bin"
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if [[ "$kernel" == *.gz ]]; then
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cat "$kernel" >>"$TMPDIR/m1n1-linux.bin"
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else
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gzip -c <"$kernel" >>"$TMPDIR/m1n1-linux.bin"
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fi
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if [ -n "$initramfs" ]; then
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initramfs_size=$(stat --printf='%s' "$initramfs")
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python3 - << EOF >>"$TMPDIR/m1n1-linux.bin"
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import os, sys
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magic = b'm1n1_initramfs'
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size = int(${initramfs_size}).to_bytes(4, byteorder='little')
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os.write(sys.stdout.fileno(), magic + size)
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EOF
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cat "$initramfs" >>"$TMPDIR/m1n1-linux.bin"
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fi
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echo "Chainloading to updated m1n1..."
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python3 "$base"/chainload.py -r "$base"/../../build/m1n1.bin
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echo "Starting guest..."
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exec python3 "$base"/run_guest.py \
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-c "load_system_map('$kernel_base/System.map')" "$@" \
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-r "$TMPDIR/m1n1-linux.bin"
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