Re: [edk2-devel] [PATCH v2 1/3] MdePkg.dec: RISC-V: Define override bit for Svpbmt extension

["Laszlo Ersek" <lersek@redhat.com>]

On 2/7/24 02:29, Tuan Phan wrote:
> Define the BIT 2 as the override bit for Svpbmt extension. This will
> be used by RISC-V MMU library to support GCD EFI_MEMORY_UC and
> EFI_MEMORY_WC attributes.
> 
> Signed-off-by: Tuan Phan <tphan@ventanamicro.com>
> ---
>  MdePkg/MdePkg.dec | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
> index 0459418906f8..6850acb96b92 100644
> --- a/MdePkg/MdePkg.dec
> +++ b/MdePkg/MdePkg.dec
> @@ -2407,6 +2407,8 @@
>    # previous stage has feature enabled and user wants to disable it.
>    # BIT 1 = Supervisor Time Compare (Sstc). This bit is relevant only if
>    # previous stage has feature enabled and user wants to disable it.
> +  # BIT 2 = Page-Based Memory Types (Pbmt). This bit is relevant only if
> +  # previous stage has feature enabled and user wants to disable it.
>    #
>    gEfiMdePkgTokenSpaceGuid.PcdRiscVFeatureOverride|0xFFFFFFFFFFFFFFFF|UINT64|0x69
>  

Reviewed-by: Laszlo Ersek <lersek@redhat.com>



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