Re: [Qemu-devel] [PATCH v2 0/7] target-arm: Support AArch64 KVM

[Christoffer Dall <christoffer.dall@linaro.org>]

On Tue, Dec 17, 2013 at 12:15:15PM +0000, Peter Maydell wrote:
> This patchset adds support for basic AArch64 KVM VM control;
> it's based on current master. This is a quick resend with the very
> minor nits Christoffer pointed out fixed; I'm planning to put it into
> a target-arm pullreq in the next day or two.
> 
> This patch series supports:
>  * 64 bit KVM VM control
>  * SMP and UP
>  * PSCI boot of secondary CPUs
> It doesn't support:
>  * migration
>  * reset (partly because there's no way to reset a mach-virt system yet)
>  * anything except "-cpu host"
>  * debugging the VM via qemu gdbstub
>  * running 32 bit VMs on a 64 bit system
>    [Mian's patchset includes support for that but I have left it out
>    for the moment because it needs more thought about UI and so on]

I finally managed to test this on the foundation model.  I verified the
following works:

 - virtio-block
 - virtio-net
 - ssh/shell environemnt in guest
 - apache in guest (tested with apachebench - the model is slow)
 - gcc in guest
 - hackbench in guest (the model is slow)
 - php in guest
 - python in guest

-Christoffer

> 
> Changes v1->v2:
>  * improved a couple of comments
>  * compat string for 64 bit is "arm,arm-v8", not -v7
>  * removed superfluous include of usb.mak and pci.mak from config
> 
> Mian M. Hamayun (2):
>   target-arm: Add minimal KVM AArch64 support
>   hw/arm/boot: Add boot support for AArch64 processor
> 
> Peter Maydell (5):
>   target-arm/kvm: Split 32 bit only code into its own file
>   target-arm: Clean up handling of AArch64 PSTATE
>   configure: Enable KVM for aarch64 host/target combination
>   hw/arm/boot: Allow easier swapping in of different loader code
>   default-configs: Add config for aarch64-softmmu
> 
>  configure                           |   2 +-
>  default-configs/aarch64-softmmu.mak |   6 +
>  hw/arm/boot.c                       | 193 ++++++++++----
>  linux-user/signal.c                 |   6 +-
>  target-arm/Makefile.objs            |   2 +
>  target-arm/cpu.c                    |   6 +
>  target-arm/cpu.h                    |  70 ++++-
>  target-arm/gdbstub64.c              |   4 +-
>  target-arm/kvm.c                    | 495 +---------------------------------
>  target-arm/kvm32.c                  | 515 ++++++++++++++++++++++++++++++++++++
>  target-arm/kvm64.c                  | 204 ++++++++++++++
>  target-arm/translate-a64.c          |  12 +-
>  12 files changed, 954 insertions(+), 561 deletions(-)
>  create mode 100644 default-configs/aarch64-softmmu.mak
>  create mode 100644 target-arm/kvm32.c
>  create mode 100644 target-arm/kvm64.c
> 
> -- 
> 1.8.5
> 

-- 
Christoffer