> On Apr 6, 2022, at 4:57 PM, Ni, Ray <ray...@intel.com> wrote:
>
>> -; UINT32
>> +; UINTN
>> ; EFIAPI
>> -; AsmReadEsp (
>> +; AsmReadStackPointer (
>> ; VOID
>> ; );
>> ;------------------------------------------------------------------------------
>> -global ASM_PFX(AsmReadEsp)
>> -ASM_PFX(AsmReadEsp):
>> +global ASM_PFX(AsmReadStackPointer)
>> +ASM_PFX(AsmReadStackPointer):
>> mov eax, esp
>> ret
>>
>
> I guess it's possible that bootloader sets up the stack above 4G.
> If that's the case, above code doesn't work.
>
>
Is there an issue with the SecSwitchStack too?
Thanks,
Andrew Fish
>
>
>
>
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