131 lines
3.1 KiB
Bash
Executable File
131 lines
3.1 KiB
Bash
Executable File
#!/bin/bash
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EXTRA_KERNEL_CMDLINE=""
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SCRIPT=$(realpath ${BASH_SOURCE})
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BUILD_ROOT=$(realpath $(dirname ${SCRIPT})/../build)
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SYSROOT=${BUILD_ROOT}/tmp-glibc/work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native
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QEMU=${SYSROOT}/usr/bin/qemu-system-x86_64
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if [[ ! -f ${QEMU} ]]; then
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>&2 printf "Qemu binary not found at: ${QEMU}\n"
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exit 1
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fi
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ENABLE_KVM="--enable-kvm -cpu host"
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if [[ ! -c "/dev/kvm" ]]; then
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printf "Disabling KVM because /dev/kvm is not available\n"
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ENABLE_KVM=""
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fi
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EFI_BIOS="-bios /usr/share/qemu/OVMF.fd"
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if [[ ! -f "/usr/share/qemu/OVMF.fd" ]]; then
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printf "Disabling EFI boot because OVMF.fd not found in /usr/share/qemu\n"
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EFI_BIOS=""
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fi
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usage() {
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cat <<-EOF
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USAGE: qemu-boot [options] installer Boot build/images/citadel-installer.img
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qemu-boot [options] kernel Boot build/images/bzImage
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OPTIONS
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--no-efi Do not use OVMF UEFI bios
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--memory size Set custom guest RAM size
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--debug Boot installer with console and journald dumped to terminal
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To exit kernel boot type 'ctrl-a x' (See escape sequences in qemu-system man page)
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EOF
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exit 0
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}
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BOOT_TARGET=""
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MEMORY_ARG="-m 4G"
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DEBUG_MODE=0
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while [[ $# -gt 0 ]]; do
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key=${1}
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case $key in
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--no-efi)
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EFI_BIOS=""
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shift
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;;
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--debug)
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DEBUG_MODE=1
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shift
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;;
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--memory)
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MEMORY_ARG="-m ${2}"
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shift
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shift
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;;
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kernel)
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BOOT_TARGET="kernel"
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shift
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;;
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installer)
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BOOT_TARGET="installer"
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shift
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;;
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--help)
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usage
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;;
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*)
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printf "Unknown option ${key}\n"
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usage
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;;
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esac
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done
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COMMON_INSTALLER_ARGS="\
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${ENABLE_KVM} \
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${MEMORY_ARG} \
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${EFI_BIOS} \
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-vga virtio \
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-usb -device usb-tablet,id=input0 \
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-drive format=raw,file=${BUILD_ROOT}/images/citadel-installer.img \
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-net none \
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-smp 2"
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boot_installer() {
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if [[ ${DEBUG_MODE} -eq 1 ]]; then
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${QEMU} ${COMMON_INSTALLER_ARGS} \
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-serial stdio \
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-kernel ${BUILD_ROOT}/images/bzImage \
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-append "console=ttyS0 earlyprintk=ttyS0 root=/dev/mapper/rootfs citadel.verbose citadel.install fstab=no luks=no systemd.journald.forward_to_console=1 ${EXTRA_KERNEL_CMDLINE}"
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else
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${QEMU} ${COMMON_INSTALLER_ARGS}
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fi
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}
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boot_kernel() {
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EXTRA_OPTIONS=""
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KERNEL_IMAGE="bzImage"
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if [[ ${DEBUG_MODE} -eq 1 ]]; then
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EXTRA_OPTIONS="-s -S"
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KERNEL_IMAGE="bzImage-intel-corei7-64.bin"
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fi
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${QEMU} \
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${ENABLE_KVM} \
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${MEMORY_ARG} \
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${EXTRA_OPTIONS} \
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-nographic \
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-no-reboot \
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-smp 2 \
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-append "rd.emergency console=ttyS0 earlyprintk=ttyS0 ${EXTRA_KERNEL_CMDLINE}" \
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-kernel ${BUILD_ROOT}/images/${KERNEL_IMAGE}
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}
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if [[ ${BOOT_TARGET} = "kernel" ]]; then
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boot_kernel
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elif [[ ${BOOT_TARGET} = "installer" ]]; then
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boot_installer
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else
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usage
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fi
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