Re: [Qemu-devel] [PATCH v2 2/2] hw/arm: Add Arm Enterprise machine type

["Daniel P. Berrangé" <berrange@redhat.com>]

On Wed, Jul 25, 2018 at 01:30:52PM +0800, Hongbo Zhang wrote:
> For the Aarch64, there is one machine 'virt', it is primarily meant to
> run on KVM and execute virtualization workloads, but we need an
> environment as faithful as possible to physical hardware, for supporting
> firmware and OS development for pysical Aarch64 machines.
> 
> This patch introduces new machine type 'Enterprise' with main features:

The 'enterprise' name is really awful - this is essentially a marketing
term completely devoid of any useful meaning.

You had previously called this "sbsa" which IIUC was related to a real
world hardware specification that it was based on. IOW, I think this old
name was preferrable to calling it "enterprise".

>  - Based on 'virt' machine type.
>  - Re-designed memory map.
>  - EL2 and EL3 are enabled by default.
>  - GIC version 3 by default.
>  - AHCI controller attached to system bus, and then CDROM and hard disc
>    can be added to it.
>  - EHCI controller attached to system bus, with USB mouse and key board
>    installed by default.
>  - E1000E ethernet card on PCIE bus.
>  - VGA display adaptor on PCIE bus.
>  - Default CPU type cortex-a57, 4 cores, and 1G bytes memory.
>  - No virtio functions enabled, since this is to emulate real hardware.
>  - No paravirtualized fw_cfg device either.
> 
> Arm Trusted Firmware and UEFI porting to this are done accordingly.
> 
> Signed-off-by: Hongbo Zhang <hongbo.zhang@linaro.org>
> ---
> Changes since v1:
>  - rebase on v3.0.0-rc0
>  - introduce another auxillary patch as 1/2, so this is 2/2
>  - rename 'sbsa' to 'enterprise'
>  - remove paravirualized fw_cfg
>  - set gic_vertion to 3 instead of 2
>  - edit commit message to describe purpose of this platform
> 
>  hw/arm/virt-acpi-build.c |  59 +++++++++++++-
>  hw/arm/virt.c            | 199 ++++++++++++++++++++++++++++++++++++++++++++++-
>  include/hw/arm/virt.h    |   3 +
>  3 files changed, 255 insertions(+), 6 deletions(-)

Regards,
Daniel
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