Re: [edk2-devel] [PATCH 07/10] OvmfPkg/ResetVector: print post codes for 4/5 level paging

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

On 2/22/24 12:54, Gerd Hoffmann wrote:
> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
> ---
>  OvmfPkg/ResetVector/Ia32/PageTables64.asm | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/OvmfPkg/ResetVector/Ia32/PageTables64.asm b/OvmfPkg/ResetVector/Ia32/PageTables64.asm
> index 825589f31193..d736db028277 100644
> --- a/OvmfPkg/ResetVector/Ia32/PageTables64.asm
> +++ b/OvmfPkg/ResetVector/Ia32/PageTables64.asm
> @@ -69,6 +69,10 @@ BITS    32
>  ; Argument: upper 32 bits of the page table entries
>  ;
>  %macro CreatePageTables4Level 1
> +
> +    ; indicate 4-level paging
> +    debugShowPostCode 0x41
> +
>      ;
>      ; Top level Page Directory Pointers (1 * 512GB entry)
>      ;
> @@ -153,6 +157,10 @@ BITS    32
>  ; level 3 directory.
>  ;
>  %macro CreatePageTables5Level 1
> +
> +    ; indicate 5-level paging
> +    debugShowPostCode 0x51
> +
>      ; level 5
>      mov     dword[PT_ADDR (0)], PT_ADDR (0x1000) + PAGE_PDE_DIRECTORY_ATTR
>      mov     dword[PT_ADDR (4)], %1

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



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