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#!/bin/sh -ex
# Arguments are appended to the kernel cmdline
random_mac() {
printf "52:54:"
date "+%c %N" | sha1sum | sed 's/\(.\{2\}\)/\1:/g' | cut -d: -f 1-4
}
KERNEL_CMDLINE="
root=/dev/ram0
console=ttyS0
panic=-1
$@
"
if [ -e /dev/kvm ]; then
MACHINE_ARG="-machine pc,accel=kvm"
else
MACHINE_ARG="-machine pc"
fi
qemu-system-x86_64 \
$MACHINE_ARG \
-smp 1 \
-m 512M \
-nodefconfig -no-user-config -nodefaults -display none \
-gdb unix:/cache/kernel-test/gdb.pipe,server,nowait \
-no-reboot \
-kernel /cache/kernel-test/linux \
-initrd /cache/kernel-test/initrd \
-append "${KERNEL_CMDLINE}" \
-serial stdio \
-chardev socket,id=charserial1,path=/cache/kernel-test/gdb-serial.pipe,server,nowait \
-device isa-serial,chardev=charserial1,id=serial1 \
-netdev tap,id=nettest,script=/kernel-test/qemu-ifup.sh,downscript=/kernel-test/qemu-ifdown.sh \
-device virtio-net-pci,netdev=nettest,mac="$(random_mac)"
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