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[Qemu-devel] [Bug 1717708] Re: QEMU aarch64 can't run Windows ARM64 iso'

From: Andrew Baumann
Subject: [Qemu-devel] [Bug 1717708] Re: QEMU aarch64 can't run Windows ARM64 iso's
Date: Sat, 18 Nov 2017 05:21:08 -0000

I just noticed this bug via qemu-devel. For the record, recent QEMU
(2.11-rc1 and later) can run recent arm64 Windows images using -M virt
and the virtio storage/input/networking drivers in the guest. I was
using older UEFI build that still includes the VGA framebuffer support.
(I only just learned via this bug that it had been removed, but as
PeterM pointed out this isn't the right place to discuss it.)

Here's a sample invocation:
qemu-system-aarch64 -M virt -cpu cortex-a57 -m 4G -smp 4 -bios 
QEMU_EFI-arm64.fd \
  -serial stdio -device VGA -device virtio-keyboard-pci -device 
virtio-mouse-pci \
  -netdev user,id=net0 -device 
virtio-net-pci,disable-legacy=on,netdev=net0,mac=00:11:22:33:44:55,addr=08 \
  -drive if=none,file=myimage.vhdx,id=hd0 -device virtio-blk-pci,drive=hd0

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  QEMU aarch64 can't run Windows ARM64 iso's

Status in QEMU:

Bug description:
  recently Windows ARM64 ISOs have been posted on the internet..
  just checked with latest QEMU 2.10 release from 
  "h:\qemu\qemu-system-aarch64.exe" -boot d -cdrom 
-m 2048 -cpu cortex-a57 -smp 1 -machine virt
  seems no video output..
  checked various machine options for example versatilepb (says guest has not 
initialized the guest)..

  so don't know if it's a QEMU bug or lacking feature but can support
  running Windows ARM64 builds (would be nice if you can add a
  Snapdragon835 machine type which is which first machines will be

  note running a Windows x64 ISO with similar parameters works (removing -cpu 
and -machine as not needed)


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