Re: [edk2-devel] [PATCH 2/3] UefiCpuPkg: Add more Paging mode enumeration

["Ni, Ray" <ray.ni@intel.com>]

Reviewed-by: Ray Ni <ray.ni@Intel.com>

Thanks,
Ray
> -----Original Message-----
> From: Tan, Dun <dun.tan@intel.com>
> Sent: Monday, February 5, 2024 10:04 PM
> To: devel@edk2.groups.io
> Cc: Ni, Ray <ray.ni@intel.com>; Laszlo Ersek <lersek@redhat.com>; Kumar,
> Rahul R <rahul.r.kumar@intel.com>; Gerd Hoffmann <kraxel@redhat.com>
> Subject: [PATCH 2/3] UefiCpuPkg: Add more Paging mode enumeration
> 
> Add more Paging mode enumeration in CpuPageTableLib
> to support forcibly mapping a range to 4k pages in
> page table.
> 
> Signed-off-by: Dun Tan <dun.tan@intel.com>
> Cc: Ray Ni <ray.ni@intel.com>
> Cc: Laszlo Ersek <lersek@redhat.com>
> Cc: Rahul Kumar <rahul1.kumar@intel.com>
> Cc: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  UefiCpuPkg/Include/Library/CpuPageTableLib.h | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
> 
> diff --git a/UefiCpuPkg/Include/Library/CpuPageTableLib.h
> b/UefiCpuPkg/Include/Library/CpuPageTableLib.h
> index 78aa83b8de..6225a1d8e9 100644
> --- a/UefiCpuPkg/Include/Library/CpuPageTableLib.h
> +++ b/UefiCpuPkg/Include/Library/CpuPageTableLib.h
> @@ -46,11 +46,17 @@ typedef enum {
>    // High byte in paging mode indicates the max levels of the page table.
>    // Low byte in paging mode indicates the max level that can be a leaf entry.
>    //
> -  PagingPae = 0x0302,
> +  PagingPae4KB = 0x0301,
> +  PagingPae2MB = 0x0302,
> +  PagingPae    = 0x0302,
> 
> +  Paging4Level4KB = 0x0401,
> +  Paging4Level2MB = 0x0402,
>    Paging4Level    = 0x0402,
>    Paging4Level1GB = 0x0403,
> 
> +  Paging5Level4KB = 0x0501,
> +  Paging5Level2MB = 0x0502,
>    Paging5Level    = 0x0502,
>    Paging5Level1GB = 0x0503,
> 
> --
> 2.31.1.windows.1



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