host/libs/vm_manager/cf_qemu.sh - device/google/cuttlefish - Git at Google

 #!/bin/bash

 #
 # Copyright (C) 2018 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
 # Unless required by applicable law or agreed to in writing, software
 # distributed under the License is distributed on an "AS IS" BASIS,
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
 #

 print_command() {
   binary=$1; shift
   binary_args=("$@")
   printf %s "${binary}"
   for i in "${binary_args[@]}"; do
     case "$i" in
       -*) printf "\\%s  %s " $'\n' "$i" ;;
       *) printf "%s " "$i" ;;
     esac
   done
   echo
 }

 exec_run() {
   binary=$1; shift
   binary_args=("$@")
   print_command "${binary}" "${binary_args[@]}"
   exec "${binary}" "${binary_args[@]}"
 }

 run() {
   binary=$1; shift
   binary_args=("$@")
   print_command "${binary}" "${binary_args[@]}"
   "${binary}" "${binary_args[@]}"
 }

 default_instance_number() {
     if [[ "${USER::5}" == "vsoc-" ]]; then
         echo "${USER: -2}"
     else
         echo "01"
     fi
 }
 CUTTLEFISH_INSTANCE="${CUTTLEFISH_INSTANCE:-$(default_instance_number)}"
 default_instance_name="cvd-${CUTTLEFISH_INSTANCE}"
 default_uuid="699acfc4-c8c4-11e7-882b-5065f31dc1${CUTTLEFISH_INSTANCE}"
 default_dir="${HOME}/cuttlefish_runtime"
 default_mobile_tap_name="cvd-mtap-${CUTTLEFISH_INSTANCE}"
 default_wifi_tap_name="cvd-wtap-${CUTTLEFISH_INSTANCE}"

 qemu_binary=${qemu_binary=/usr/bin/qemu-system-x86_64}
 dtc_binary=${dtc_binary:-dtc}

 if [[ -z "${ivshmem_vector_count}" ]]; then
     echo "The required ivshmem_vector_count environment variable is not set" >&2
     exit 1
 fi

 if [[ "${qemu_binary##*/}" = "qemu-system-aarch64" ]]; then
   # On ARM, the early console can be PCI, and ISA is not supported
   kernel_console_serial="pci-serial"
   machine="virt,gic_version=2"
   cpu=cortex-a53
 else
   # On x86, the early console must be ISA, not PCI, so we start to get kernel
   # messages as soon as possible. ISA devices do not have 'addr' assignments.
   kernel_console_serial="isa-serial"
   machine="pc-i440fx-2.8,accel=kvm"
   cpu=host
 fi

 # Put anything here that might affect the machine configuration generated by
 # QEMU. Anything which connects statefully to another service (like a socket)
 # should be added in another section below.
 args=(
     -name "guest=${instance_name:-${default_instance_name}},debug-threads=on"
     -machine "${machine},usb=off,dump-guest-core=off"
     -m "${memory_mb:-2048}"
     -realtime mlock=off
     -smp "${cpus:-2},sockets=${cpus:-2},cores=1,threads=1"
     -uuid "${uuid:-${default_uuid}}"
     -display none
     -no-user-config
     -nodefaults
     -rtc "base=utc"
     -no-shutdown
     -boot "strict=on"
     -kernel "${kernel_image_path:-${HOME}/kernel}"
     -append "${kernel_cmdline:-"loop.max_part=7 console=ttyS0 androidboot.console=ttyS1 androidboot.hardware=vsoc enforcing=0 audit=1 androidboot.selinux=permissive mac80211_hwsim.radios=0 security=selinux buildvariant=userdebug  androidboot.serialno=CUTTLEFISHCVD01 androidboot.lcd_density=160 androidboot.boot_devices=pci0000:00/0000:00:03.0"}"
     -device "piix3-usb-uhci,id=usb,addr=0x1.0x2"
     -device "virtio-serial-pci,id=virtio-serial0"
 )

 if [[ -n "${composite_disk_path}" ]]; then
   args+=(
     -drive "file=${composite_disk_path:-${HOME}/composite.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
     -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1"
   )
 else
   if [[ -n "${super_image_path}" ]]; then
     args+=(
       -drive "file=${super_image_path:-${HOME}/obj/PACKAGING/super.img_intermediates/super.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0"
     )
   else
     args+=(
       -drive "file=${system_image_path:-${HOME}/system.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1"
     )
   fi

   args+=(
       -drive "file=${data_image_path:-${HOME}/userdata.img},format=raw,if=none,id=drive-virtio-disk1,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk1,id=virtio-disk1"
       -drive "file=${cache_image_path:-${HOME}/cache.img},format=raw,if=none,id=drive-virtio-disk2,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk2,id=virtio-disk2"
       -drive "file=${metadata_image_path:-${HOME}/metadata.img},format=raw,if=none,id=drive-virtio-disk3,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk3,id=virtio-disk3"
   )

   if [[ -z "${super_image_path}" ]]; then
     args+=(
       -drive "file=${vendor_image_path:-${HOME}/vendor.img},format=raw,if=none,id=drive-virtio-disk4,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk4,id=virtio-disk4"
       -drive "file=${product_image_path:-${HOME}/product.img},format=raw,if=none,id=drive-virtio-disk5,aio=threads"
       -device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk5,id=virtio-disk5"
     )
   fi
 fi

 args+=(
     -netdev "tap,id=hostnet0,ifname=${wifi_tap_name:-${default_wifi_tap_name}},script=no,downscript=no"
     -device "virtio-net-pci,netdev=hostnet0,id=net0"
     -netdev "tap,id=hostnet1,ifname=${mobile_tap_name:-${default_mobile_tap_name}},script=no,downscript=no"
     -device "virtio-net-pci,netdev=hostnet1,id=net1"
     -device "virtio-balloon-pci,id=balloon0"
     -object "rng-random,id=objrng0,filename=/dev/urandom"
     -device "virtio-rng-pci,rng=objrng0,id=rng0,max-bytes=1024,period=2000"
     -cpu "${cpu}"
     -msg "timestamp=on"
     -device "AC97"
 )

 if [[ -n "${dtb_path}" ]]; then
   if [[ "${qemu_binary##*/}" = "qemu-system-aarch64" ]]; then
     # Decompile the dt fragment to include in our machine FDT
     dtsi_path="${default_dir}/android.dtsi"
     dtc_args=(
       -I dtb
       "${dtb_path}"
       -O dts
       -o "${dtsi_path}"
     )
     run "${dtc_binary}" "${dtc_args[@]}"

     # Remove duplicate version definition from the dtsi
     sed_binary=sed
     sed_args=(
       -i "/^\/dts-v1\/;$/d"
       ${dtsi_path}
     )
     run "${sed_binary}" "${sed_args[@]}"

     # Dump the machine FDT blob
     dts_path="${default_dir}/cuttlefish.dts"
     dtb_path="${default_dir}/cuttlefish.dtb"
     dtb_args=(-machine "dumpdtb=${dtb_path}")
     run "${qemu_binary}" "${args[@]}" "${dtb_args[@]}"

     # Decompile the FDT blob
     dtc_args=(
       -I dtb
       ${dtb_path}
       -O dts
       -o ${dts_path}
     )
     run "${dtc_binary}" "${dtc_args[@]}"

     # Concatenate the dts and dtsi sources
     echo "cat ${dtsi_path} >>${dts_path}"
     echo
     cat ${dtsi_path} >>${dts_path}

     # Compile the patched machine FDT
     dtc_args=(
       -i "${dts_path%/*}"
       -I dts
       "${dts_path}"
       -O dtb
       -o "${dtb_path}"
     )
     run "${dtc_binary}" "${dtc_args[@]}"
   fi

   args+=(-dtb "${dtb_path}")
 fi

 # The services providing these sockets don't expect multiple connections,
 # so we must not have them in 'args' when we dump the machine FDT. It's
 # OK to add them now, after the dumping and patching has completed.
 # The (maybe patched) DTB can also be provided now.

 args+=(
     -chardev "socket,id=charmonitor,path=${monitor_path:-${default_dir}/qemu_monitor.sock},server,nowait"
     -mon "chardev=charmonitor,id=monitor,mode=control"
     -chardev "file,id=charserial0,path=${kernel_log_pipe_name:-${default_dir}/kernel-log},append=on"
     -device "${kernel_console_serial},chardev=charserial0,id=serial0"
     -chardev "socket,id=charserial1,path=${console_path:-${default_dir}/console},server,nowait"
     -device "pci-serial,chardev=charserial1,id=serial1"
     -chardev "socket,path=${ivshmem_qemu_socket_path:-${default_dir}/ivshmem_socket_qemu},id=ivsocket"
     -device "ivshmem-doorbell,chardev=ivsocket,vectors=${ivshmem_vector_count}"
 )

 if [[ "${logcat_mode}" == "serial" ]]; then
     args+=(
         -chardev "file,id=charchannel0,path=${logcat_path:-${default_dir}/logcat},append=on"
         -device "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=cf-logcat"
     )
 fi

 if [[ -n "${gdb_flag}" ]]; then
   args+=(-gdb "${gdb_flag}")
 fi

 if [[ -n "${ramdisk_image_path}" ]]; then
   args+=(-initrd "${ramdisk_image_path}")
 fi

 if [[ -n "${usb_v1_socket_name}" ]]; then
   args+=(
       -chardev "socket,id=charchannel1,path=${usb_v1_socket_name:-${default_dir}/usb-v1}"
       -device "virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=cf-gadget-usb-v1"
   )
 fi

 if [[ ${vsock_guest_cid:-0} -gt 2 ]]; then
   args+=(-device "vhost-vsock-pci,guest-cid=${vsock_guest_cid}")
 fi

 export QEMU_AUDIO_DRV=none
 exec_run "${qemu_binary}" "${args[@]}"
	#!/bin/bash

	#
	# Copyright (C) 2018 The Android Open Source Project
	#
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.
	#

	print_command() {
	binary=$1; shift
	binary_args=("$@")
	printf %s "${binary}"
	for i in "${binary_args[@]}"; do
	case "$i" in
	-*) printf "\\%s %s " $'\n' "$i" ;;
	*) printf "%s " "$i" ;;
	esac
	done
	echo
	}

	exec_run() {
	binary=$1; shift
	binary_args=("$@")
	print_command "${binary}" "${binary_args[@]}"
	exec "${binary}" "${binary_args[@]}"
	}

	run() {
	binary=$1; shift
	binary_args=("$@")
	print_command "${binary}" "${binary_args[@]}"
	"${binary}" "${binary_args[@]}"
	}

	default_instance_number() {
	if [[ "${USER::5}" == "vsoc-" ]]; then
	echo "${USER: -2}"
	else
	echo "01"
	fi
	}
	CUTTLEFISH_INSTANCE="${CUTTLEFISH_INSTANCE:-$(default_instance_number)}"
	default_instance_name="cvd-${CUTTLEFISH_INSTANCE}"
	default_uuid="699acfc4-c8c4-11e7-882b-5065f31dc1${CUTTLEFISH_INSTANCE}"
	default_dir="${HOME}/cuttlefish_runtime"
	default_mobile_tap_name="cvd-mtap-${CUTTLEFISH_INSTANCE}"
	default_wifi_tap_name="cvd-wtap-${CUTTLEFISH_INSTANCE}"

	qemu_binary=${qemu_binary=/usr/bin/qemu-system-x86_64}
	dtc_binary=${dtc_binary:-dtc}

	if [[ -z "${ivshmem_vector_count}" ]]; then
	echo "The required ivshmem_vector_count environment variable is not set" >&2
	exit 1
	fi

	if [[ "${qemu_binary##*/}" = "qemu-system-aarch64" ]]; then
	# On ARM, the early console can be PCI, and ISA is not supported
	kernel_console_serial="pci-serial"
	machine="virt,gic_version=2"
	cpu=cortex-a53
	else
	# On x86, the early console must be ISA, not PCI, so we start to get kernel
	# messages as soon as possible. ISA devices do not have 'addr' assignments.
	kernel_console_serial="isa-serial"
	machine="pc-i440fx-2.8,accel=kvm"
	cpu=host
	fi

	# Put anything here that might affect the machine configuration generated by
	# QEMU. Anything which connects statefully to another service (like a socket)
	# should be added in another section below.
	args=(
	-name "guest=${instance_name:-${default_instance_name}},debug-threads=on"
	-machine "${machine},usb=off,dump-guest-core=off"
	-m "${memory_mb:-2048}"
	-realtime mlock=off
	-smp "${cpus:-2},sockets=${cpus:-2},cores=1,threads=1"
	-uuid "${uuid:-${default_uuid}}"
	-display none
	-no-user-config
	-nodefaults
	-rtc "base=utc"
	-no-shutdown
	-boot "strict=on"
	-kernel "${kernel_image_path:-${HOME}/kernel}"
	-append "${kernel_cmdline:-"loop.max_part=7 console=ttyS0 androidboot.console=ttyS1 androidboot.hardware=vsoc enforcing=0 audit=1 androidboot.selinux=permissive mac80211_hwsim.radios=0 security=selinux buildvariant=userdebug androidboot.serialno=CUTTLEFISHCVD01 androidboot.lcd_density=160 androidboot.boot_devices=pci0000:00/0000:00:03.0"}"
	-device "piix3-usb-uhci,id=usb,addr=0x1.0x2"
	-device "virtio-serial-pci,id=virtio-serial0"
	)

	if [[ -n "${composite_disk_path}" ]]; then
	args+=(
	-drive "file=${composite_disk_path:-${HOME}/composite.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1"
	)
	else
	if [[ -n "${super_image_path}" ]]; then
	args+=(
	-drive "file=${super_image_path:-${HOME}/obj/PACKAGING/super.img_intermediates/super.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0"
	)
	else
	args+=(
	-drive "file=${system_image_path:-${HOME}/system.img},format=raw,if=none,id=drive-virtio-disk0,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1"
	)
	fi

	args+=(
	-drive "file=${data_image_path:-${HOME}/userdata.img},format=raw,if=none,id=drive-virtio-disk1,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk1,id=virtio-disk1"
	-drive "file=${cache_image_path:-${HOME}/cache.img},format=raw,if=none,id=drive-virtio-disk2,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk2,id=virtio-disk2"
	-drive "file=${metadata_image_path:-${HOME}/metadata.img},format=raw,if=none,id=drive-virtio-disk3,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk3,id=virtio-disk3"
	)

	if [[ -z "${super_image_path}" ]]; then
	args+=(
	-drive "file=${vendor_image_path:-${HOME}/vendor.img},format=raw,if=none,id=drive-virtio-disk4,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk4,id=virtio-disk4"
	-drive "file=${product_image_path:-${HOME}/product.img},format=raw,if=none,id=drive-virtio-disk5,aio=threads"
	-device "virtio-blk-pci,scsi=off,drive=drive-virtio-disk5,id=virtio-disk5"
	)
	fi
	fi

	args+=(
	-netdev "tap,id=hostnet0,ifname=${wifi_tap_name:-${default_wifi_tap_name}},script=no,downscript=no"
	-device "virtio-net-pci,netdev=hostnet0,id=net0"
	-netdev "tap,id=hostnet1,ifname=${mobile_tap_name:-${default_mobile_tap_name}},script=no,downscript=no"
	-device "virtio-net-pci,netdev=hostnet1,id=net1"
	-device "virtio-balloon-pci,id=balloon0"
	-object "rng-random,id=objrng0,filename=/dev/urandom"
	-device "virtio-rng-pci,rng=objrng0,id=rng0,max-bytes=1024,period=2000"
	-cpu "${cpu}"
	-msg "timestamp=on"
	-device "AC97"
	)

	if [[ -n "${dtb_path}" ]]; then
	if [[ "${qemu_binary##*/}" = "qemu-system-aarch64" ]]; then
	# Decompile the dt fragment to include in our machine FDT
	dtsi_path="${default_dir}/android.dtsi"
	dtc_args=(
	-I dtb
	"${dtb_path}"
	-O dts
	-o "${dtsi_path}"
	)
	run "${dtc_binary}" "${dtc_args[@]}"

	# Remove duplicate version definition from the dtsi
	sed_binary=sed
	sed_args=(
	-i "/^\/dts-v1\/;$/d"
	${dtsi_path}
	)
	run "${sed_binary}" "${sed_args[@]}"

	# Dump the machine FDT blob
	dts_path="${default_dir}/cuttlefish.dts"
	dtb_path="${default_dir}/cuttlefish.dtb"
	dtb_args=(-machine "dumpdtb=${dtb_path}")
	run "${qemu_binary}" "${args[@]}" "${dtb_args[@]}"

	# Decompile the FDT blob
	dtc_args=(
	-I dtb
	${dtb_path}
	-O dts
	-o ${dts_path}
	)
	run "${dtc_binary}" "${dtc_args[@]}"

	# Concatenate the dts and dtsi sources
	echo "cat ${dtsi_path} >>${dts_path}"
	echo
	cat ${dtsi_path} >>${dts_path}

	# Compile the patched machine FDT
	dtc_args=(
	-i "${dts_path%/*}"
	-I dts
	"${dts_path}"
	-O dtb
	-o "${dtb_path}"
	)
	run "${dtc_binary}" "${dtc_args[@]}"
	fi

	args+=(-dtb "${dtb_path}")
	fi

	# The services providing these sockets don't expect multiple connections,
	# so we must not have them in 'args' when we dump the machine FDT. It's
	# OK to add them now, after the dumping and patching has completed.
	# The (maybe patched) DTB can also be provided now.

	args+=(
	-chardev "socket,id=charmonitor,path=${monitor_path:-${default_dir}/qemu_monitor.sock},server,nowait"
	-mon "chardev=charmonitor,id=monitor,mode=control"
	-chardev "file,id=charserial0,path=${kernel_log_pipe_name:-${default_dir}/kernel-log},append=on"
	-device "${kernel_console_serial},chardev=charserial0,id=serial0"
	-chardev "socket,id=charserial1,path=${console_path:-${default_dir}/console},server,nowait"
	-device "pci-serial,chardev=charserial1,id=serial1"
	-chardev "socket,path=${ivshmem_qemu_socket_path:-${default_dir}/ivshmem_socket_qemu},id=ivsocket"
	-device "ivshmem-doorbell,chardev=ivsocket,vectors=${ivshmem_vector_count}"
	)

	if [[ "${logcat_mode}" == "serial" ]]; then
	args+=(
	-chardev "file,id=charchannel0,path=${logcat_path:-${default_dir}/logcat},append=on"
	-device "virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=cf-logcat"
	)
	fi

	if [[ -n "${gdb_flag}" ]]; then
	args+=(-gdb "${gdb_flag}")
	fi

	if [[ -n "${ramdisk_image_path}" ]]; then
	args+=(-initrd "${ramdisk_image_path}")
	fi

	if [[ -n "${usb_v1_socket_name}" ]]; then
	args+=(
	-chardev "socket,id=charchannel1,path=${usb_v1_socket_name:-${default_dir}/usb-v1}"
	-device "virtserialport,bus=virtio-serial0.0,nr=2,chardev=charchannel1,id=channel1,name=cf-gadget-usb-v1"
	)
	fi

	if [[ ${vsock_guest_cid:-0} -gt 2 ]]; then
	args+=(-device "vhost-vsock-pci,guest-cid=${vsock_guest_cid}")
	fi

	export QEMU_AUDIO_DRV=none
	exec_run "${qemu_binary}" "${args[@]}"