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89 lines
2.1 KiB
Bash
89 lines
2.1 KiB
Bash
#!/bin/bash
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ARCH=""
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KERNEL_TYPE=""
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CMDLINE=""
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VALID_ARCHS=("x86_64" "arm64" "aarch64")
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VALID_TYPES=("linux" "ack")
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help_and_exit() {
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echo "Usage: $0 [options] [-- other qemu options]"
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echo ""
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echo " --arch=<ARCH> select the architecture to run"
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echo " possible values: [${VALID_ARCHS[*]}]"
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echo ""
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echo " --type=<TYPE> select the kernel type to run"
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echo " possible values: [${VALID_TYPES[*]}]"
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echo ""
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echo " --append=<CMDLINE> append something to the kernel's cmdline."
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echo ""
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echo "Options after '--' will be passed to QEMU."
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exit 1
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}
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--arch=*) ARCH="${1#--arch=}" ;;
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--type=*) KERNEL_TYPE="${1#--type=}" ;;
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--append=*) CMDLINE="${CMDLINE} ${1#--append=}" ;;
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-h | --help) help_and_exit ;;
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--)
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shift
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QEMU_ARGS_EXT=("$@")
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break
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;;
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esac
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shift
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done
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CWD=$(dirname -- "$0")
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IMAGE_DIR="${CWD}/images"
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if [ -z "$ARCH" ]; then
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help_and_exit
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fi
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if [[ ! " ${VALID_ARCHS[*]} " =~ " ${ARCH} " ]]; then
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echo "Invalid arch '${ARCH}'"
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help_and_exit
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fi
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if [[ ! " ${VALID_TYPES[*]} " =~ " ${KERNEL_TYPE} " ]]; then
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echo "Invalid kernel type '${KERNEL_TYPE}'"
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help_and_exit
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fi
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if [[ "${ARCH}" == @(arm64|aarch64) ]]; then
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ARCH=arm64
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QEMU_BIN=qemu-system-aarch64
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KERNEL="${IMAGE_DIR}/Image-${KERNEL_TYPE}-arm64"
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ROOTFS="${IMAGE_DIR}/rootfs-arm64.img"
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QEMU_ARGS=(
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-cpu max
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-machine virt
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-append "console=ttyAMA0 root=/dev/vda nokaslr ${CMDLINE}"
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)
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elif [ "$ARCH" == "x86_64" ]; then
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QEMU_BIN=qemu-system-x86_64
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KERNEL="${IMAGE_DIR}/bzImage-${KERNEL_TYPE}-x86_64"
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ROOTFS="${IMAGE_DIR}/rootfs-x86_64.img"
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QEMU_ARGS=(
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-append "8250.nr_uarts=1 console=ttyS0 root=/dev/vda nokaslr ${CMDLINE}"
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)
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fi
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QEMU_ARGS+=(
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-kernel $KERNEL
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-nographic
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-drive "file=$ROOTFS,if=virtio,format=qcow2"
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-S -s
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"${QEMU_ARGS_EXT[@]}"
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)
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echo "Waiting for GDB to attach (use 'ctrl-a x' to quit)"
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$QEMU_BIN "${QEMU_ARGS[@]}"
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