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Last change
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Devices/EFI/FirmwareNew: Start upgrade process to edk2-stable201908 (compiles on Windows and works to some extent), bugref:4643
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| 1 | /** @file
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| 2 | Public header file for UEFI CPU library class.
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| 3 |
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| 4 | This library class defines some routines that are generic for IA32 family CPU
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| 5 | to be UEFI specification compliant.
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| 6 |
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| 7 | Copyright (c) 2009, Intel Corporation. All rights reserved.<BR>
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| 8 | SPDX-License-Identifier: BSD-2-Clause-Patent
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| 9 |
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| 10 | **/
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| 11 |
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| 12 | #ifndef __UEFI_CPU_LIB_H__
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| 13 | #define __UEFI_CPU_LIB_H__
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| 14 |
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| 15 |
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| 16 |
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| 17 | /**
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| 18 | Initializes floating point units for requirement of UEFI specification.
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| 19 |
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| 20 | This function initializes floating-point control word to 0x027F (all exceptions
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| 21 | masked,double-precision, round-to-nearest) and multimedia-extensions control word
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| 22 | (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero
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| 23 | for masked underflow).
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| 24 |
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| 25 | **/
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| 26 | VOID
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| 27 | EFIAPI
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| 28 | InitializeFloatingPointUnits (
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| 29 | VOID
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| 30 | );
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| 31 |
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| 32 | #endif
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