Re: [PATCH 0/8] hvf: Implement Apple Silicon Support

[Eduardo Habkost]

On Thu, Nov 26, 2020 at 10:50:09PM +0100, Alexander Graf wrote:
> Now that Apple Silicon is widely available, people are obviously excited
> to try and run virtualized workloads on them, such as Linux and Windows.
> 
> This patch set implements a rudimentary, first version to get the ball
> going on that. With this applied, I can successfully run both Linux and
> Windows as guests, albeit with a few caveats:
> 
>   * no WFI emulation, a vCPU always uses 100%
>   * vtimer handling is a bit hacky
>   * we handle most sysregs flying blindly, just returning 0
>   * XHCI breaks in OVMF, works in Linux+Windows
> 
> Despite those drawbacks, it's still an exciting place to start playing
> with the power of Apple Silicon.
> 
> Enjoy!
> 
> Alex
> 
> Alexander Graf (8):
>   hvf: Add hypervisor entitlement to output binaries
>   hvf: Move common code out
>   arm: Set PSCI to 0.2 for HVF
>   arm: Synchronize CPU on PSCI on
>   hvf: Add Apple Silicon support
>   hvf: Use OS provided vcpu kick function
>   arm: Add Hypervisor.framework build target
>   hw/arm/virt: Disable highmem when on hypervisor.framework
> 
>  MAINTAINERS                  |  14 +-
>  accel/hvf/entitlements.plist |   8 +
>  accel/hvf/hvf-all.c          |  56 ++++
>  accel/hvf/hvf-cpus.c         | 484 +++++++++++++++++++++++++++++++++++
>  accel/hvf/meson.build        |   7 +
>  accel/meson.build            |   1 +

This seems to conflict with the accel cleanup work being done by
Claudio[1].  Maybe Claudio could cherry-pick some of the code
movement patches from this series, or this series could be
rebased on top of his.

[1] https://lore.kernel.org/qemu-devel/20201124162210.8796-1-cfontana@suse.de

>  hw/arm/virt.c                |   9 +
>  include/hw/core/cpu.h        |   3 +-
>  include/sysemu/hvf_int.h     |  69 +++++
>  meson.build                  |  39 ++-
>  scripts/entitlement.sh       |  11 +
>  target/arm/arm-powerctl.c    |   3 +
>  target/arm/cpu.c             |   4 +
>  target/arm/hvf/hvf.c         | 345 +++++++++++++++++++++++++
>  target/arm/hvf/meson.build   |   3 +
>  target/arm/meson.build       |   2 +
>  target/i386/hvf/hvf-cpus.c   | 131 ----------
>  target/i386/hvf/hvf-cpus.h   |  25 --
>  target/i386/hvf/hvf-i386.h   |  48 +---
>  target/i386/hvf/hvf.c        | 360 +-------------------------
>  target/i386/hvf/meson.build  |   1 -
>  target/i386/hvf/x86hvf.c     |  11 +-
>  target/i386/hvf/x86hvf.h     |   2 -
>  23 files changed, 1061 insertions(+), 575 deletions(-)
>  create mode 100644 accel/hvf/entitlements.plist
>  create mode 100644 accel/hvf/hvf-all.c
>  create mode 100644 accel/hvf/hvf-cpus.c
>  create mode 100644 accel/hvf/meson.build
>  create mode 100644 include/sysemu/hvf_int.h
>  create mode 100755 scripts/entitlement.sh
>  create mode 100644 target/arm/hvf/hvf.c
>  create mode 100644 target/arm/hvf/meson.build
>  delete mode 100644 target/i386/hvf/hvf-cpus.c
>  delete mode 100644 target/i386/hvf/hvf-cpus.h
> 
> -- 
> 2.24.3 (Apple Git-128)
> 

-- 
Eduardo