Re: [PATCH 0/3] CloudHv:arm: Enable direct kernel boot

["Jianyong Wu" <jianyong.wu@arm.com>]

Hello,

Long time silent. Any comments?

Thanks
Jianyong

> -----Original Message-----
> From: Jianyong Wu <jianyong.wu@arm.com>
> Sent: Friday, September 16, 2022 10:46 AM
> To: devel@edk2.groups.io; Sami Mujawar <Sami.Mujawar@arm.com>
> Cc: ardb+tianocore@kernel.org; Justin He <Justin.He@arm.com>; Jianyong
> Wu <Jianyong.Wu@arm.com>
> Subject: [PATCH 0/3] CloudHv:arm: Enable direct kernel boot
>
> Direct kernel boot removes the dependency of retrieving kernel image from
> block device. For Cloud Hypervisor, we use the following way to support it.
>
> 1. Cloud Hypervisor store kernel image into memory and put kernel info,
>    including the memory base and size, into DT; 2. When init memory in edk2,
> the kernel memory region is retrieved from
>    DT and set it as read only memory region; 3. Edk2 fetches kernel from
> memory and prepare a image handle; 4. Load kernel using LoadImage in the
> end.
>
> 1 is done in Cloud Hypervisor, 2 and 3 is done in this patch set, 4 is not
> affected.
>
> github PR link: https://github.com/tianocore/edk2/pull/3339
>
> Signed-off-by: Jianyong Wu <jianyong.wu@arm.com>
>
> Jianyong Wu (3):
>   CloudHv:arm: add kernel load fs driver
>   CloudHv:arm: build hob for kernel image memory as read-only
>   CloudHv:arm: add kernel loader lib dsc/fdf
>
>  ArmVirtPkg/ArmVirtCloudHv.dsc                 |   8 +-
>  ArmVirtPkg/ArmVirtCloudHv.fdf                 |   1 +
>  .../CloudHvKernelLoaderFsDxe.c                | 969 ++++++++++++++++++
>  .../CloudHvKernelLoaderFsDxe.inf              |  55 +
>  .../CloudHvVirtMemInfoLib.c                   |  66 +-
>  5 files changed, 1094 insertions(+), 5 deletions(-)  create mode 100644
> ArmVirtPkg/CloudHvKernelLoaderFsDxe/CloudHvKernelLoaderFsDxe.c
>  create mode 100644
> ArmVirtPkg/CloudHvKernelLoaderFsDxe/CloudHvKernelLoaderFsDxe.inf
>
> --
> 2.17.1

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