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git.proxmox.com Git - mirror_edk2.git/blob - MdePkg/Library/BaseLib/Ia32/ReadCr4.c
4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
5 SPDX-License-Identifier: BSD-2-Clause-Patent
13 Reads the current value of the Control Register 4 (CR4).
15 Reads and returns the current value of CR4. This function is only available
16 on IA-32 and x64. This returns a 32-bit value on IA-32 and a 64-bit value on
19 @return The value of the Control Register 4 (CR4).
29 _emit
0x0f // mov eax, cr4