96 lines
2.8 KiB
Bash
Executable File
96 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: MPL-2.0
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# Run a NixOS installation or NixOS ISO installer image built by the root Makefile inside a VM
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#
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# Usage: ./run.sh [nixos | iso]
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set -e
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usage() {
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echo "Usage: $0 [nixos | iso]"
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exit 1
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}
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if [ "$#" -ne 1 ]; then
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usage
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fi
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MODE=$1
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SCRIPT_DIR=$(dirname "$0")
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ASTERINAS_DIR=$(realpath "${SCRIPT_DIR}/../..")
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# Change to Asterinas root directory to ensure all scripts run from the correct location.
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cd "${ASTERINAS_DIR}"
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# Base QEMU arguments
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BASE_QEMU_ARGS="qemu-system-x86_64 \
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-bios /root/ovmf/release/OVMF.fd \
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"
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# Mode-specific QEMU arguments
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case "$MODE" in
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nixos)
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NIXOS_DIR="${ASTERINAS_DIR}/target/nixos"
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QEMU_ARGS="${BASE_QEMU_ARGS} \
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-drive if=none,format=raw,id=u0,file=${NIXOS_DIR}/asterinas.img \
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-device virtio-blk-pci,drive=u0,disable-legacy=on,disable-modern=off \
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"
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;;
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iso)
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ASTER_IMAGE_PATH=${ASTERINAS_DIR}/target/nixos/asterinas.img
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NIXOS_DISK_SIZE_IN_MB=${NIXOS_DISK_SIZE_IN_MB:-8192}
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ISO_IMAGE_PATH=$(find "${ASTERINAS_DIR}/target/nixos/iso_image/iso" -name "*.iso" | head -n 1)
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if [ ! -f "$ISO_IMAGE_PATH" ]; then
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echo "Error: ISO_IMAGE not found!"
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exit 1
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fi
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rm -f "${ASTER_IMAGE_PATH}"
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echo "Creating image at ${ASTER_IMAGE_PATH} of size ${NIXOS_DISK_SIZE_IN_MB}MB......"
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dd if=/dev/zero of="${ASTER_IMAGE_PATH}" bs=1M count=${NIXOS_DISK_SIZE_IN_MB} status=none
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echo "Image created successfully!"
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QEMU_ARGS="${BASE_QEMU_ARGS} \
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-cdrom ${ISO_IMAGE_PATH} -boot d \
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-drive if=none,format=raw,id=u0,file=${ASTER_IMAGE_PATH} \
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-device virtio-blk-pci,drive=u0,disable-legacy=on,disable-modern=off \
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"
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;;
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*)
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usage
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;;
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esac
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if [ "${ENABLE_KVM}" = "1" ]; then
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QEMU_ARGS="${QEMU_ARGS} -accel kvm"
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fi
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COMMON_QEMU_ARGS=$(${ASTERINAS_DIR}/tools/qemu_args.sh common 2>/dev/null)
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QEMU_ARGS="
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${QEMU_ARGS} \
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${COMMON_QEMU_ARGS} \
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"
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# The kernel uses a specific value to signal a successful shutdown via the
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# isa-debug-exit device.
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KERNEL_SUCCESS_EXIT_CODE=16 # 0x10 in hexadecimal
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# QEMU translates the value written to the isa-debug-exit device into a final
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# process exit code using following formula.
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QEMU_SUCCESS_EXIT_CODE=$(((KERNEL_SUCCESS_EXIT_CODE << 1) | 1))
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# Execute QEMU
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# shellcheck disable=SC2086
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${QEMU_ARGS} || exit_code=$?
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exit_code=${exit_code:-0}
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# Check if the execution was successful:
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# - Exit code 0: Normal successful exit (e.g., ACPI shutdown or clean termination)
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# - Exit code $QEMU_SUCCESS_EXIT_CODE: Kernel signaled success via isa-debug-exit device
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if [ ${exit_code} -eq 0 ] || [ ${exit_code} -eq ${QEMU_SUCCESS_EXIT_CODE} ]; then
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exit 0
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fi
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exit ${exit_code} |