1#!/bin/bash 2 3if [ -z "$STANDALONE" ]; then 4 if [ ! -f config.mak ]; then 5 echo "run ./configure && make first. See ./configure -h" 6 exit 2 7 fi 8 source config.mak 9 source scripts/arch-run.bash 10fi 11processor="$PROCESSOR" 12 13if [ -c /dev/kvm ]; then 14 if [ "$HOST" = "arm" ] && [ "$ARCH" = "arm" ]; then 15 kvm_available=yes 16 elif [ "$HOST" = "aarch64" ]; then 17 kvm_available=yes 18 fi 19fi 20 21if [ "$ACCEL" = "kvm" ] && [ "$kvm_available" != "yes" ]; then 22 echo "KVM is needed, but not available on this host" 23 exit 2 24fi 25 26if [ -z "$ACCEL" ]; then 27 if [ "$kvm_available" = "yes" ]; then 28 ACCEL="kvm" 29 else 30 ACCEL="tcg" 31 fi 32fi 33 34qemu="${QEMU:-qemu-system-$ARCH_NAME}" 35qpath=$(which $qemu 2>/dev/null) 36 37if [ -z "$qpath" ]; then 38 echo $qemu not found. 39 exit 2 40fi 41 42if ! $qemu -machine '?' 2>&1 | grep 'ARM Virtual Machine' > /dev/null; then 43 echo "$qpath doesn't support mach-virt ('-machine virt'). Exiting." 44 exit 2 45fi 46 47M='-machine virt' 48 49if [ "$ACCEL" = "kvm" ]; then 50 if $qemu $M,\? 2>&1 | grep gic-version > /dev/null; then 51 M+=',gic-version=host' 52 fi 53 if [ "$HOST" = "aarch64" ]; then 54 processor="host" 55 if [ "$ARCH" = "arm" ]; then 56 processor+=",aarch64=off" 57 fi 58 fi 59fi 60 61if ! $qemu $M -device '?' 2>&1 | grep virtconsole > /dev/null; then 62 echo "$qpath doesn't support virtio-console for chr-testdev. Exiting." 63 exit 2 64fi 65 66if $qemu $M -chardev testdev,id=id -initrd . 2>&1 \ 67 | grep backend > /dev/null; then 68 echo "$qpath doesn't support chr-testdev. Exiting." 69 exit 2 70fi 71 72chr_testdev='-device virtio-serial-device' 73chr_testdev+=' -device virtconsole,chardev=ctd -chardev testdev,id=ctd' 74 75pci_testdev= 76if $qemu $M -device '?' 2>&1 | grep pci-testdev > /dev/null; then 77 pci_testdev="-device pci-testdev" 78fi 79 80M+=",accel=$ACCEL" 81command="$qemu -nodefaults $M -cpu $processor $chr_testdev $pci_testdev" 82command+=" -display none -serial stdio -kernel" 83command="$(timeout_cmd) $command" 84echo $command "$@" 85 86run_qemu $command "$@" 87