MdePkg/Library/BaseLib/Ia32/WriteCr4.c File Reference


Functions

UINTN EFIAPI AsmWriteCr4 (UINTN Value)

Detailed Description

AsmWriteCr4 function

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Function Documentation

UINTN EFIAPI AsmWriteCr4 ( UINTN  Value  ) 

Writes a value to Control Register 4 (CR4).

Writes and returns a new value to CR4. This function is only available on IA-32 and x64. This writes a 32-bit value on IA-32 and a 64-bit value on x64.

Parameters:
Value The value to write to CR4.
Returns:
The value written to CR4.

References eax, and mov.


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