diff options
Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h')
-rw-r--r-- | src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h new file mode 100644 index 00000000..fb8dd8cd --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/UefiCpuPkg/Include/Library/UefiCpuLib.h @@ -0,0 +1,46 @@ +/** @file + Public header file for UEFI CPU library class. + + This library class defines some routines that are generic for IA32 family CPU + to be UEFI specification compliant. + + Copyright (c) 2009, Intel Corporation. All rights reserved.<BR> + Copyright (c) 2020, AMD Inc. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef __UEFI_CPU_LIB_H__ +#define __UEFI_CPU_LIB_H__ + + + +/** + Initializes floating point units for requirement of UEFI specification. + + This function initializes floating-point control word to 0x027F (all exceptions + masked,double-precision, round-to-nearest) and multimedia-extensions control word + (if supported) to 0x1F80 (all exceptions masked, round-to-nearest, flush to zero + for masked underflow). + +**/ +VOID +EFIAPI +InitializeFloatingPointUnits ( + VOID + ); + +/** + Determine if the standard CPU signature is "AuthenticAMD". + + @retval TRUE The CPU signature matches. + @retval FALSE The CPU signature does not match. + +**/ +BOOLEAN +EFIAPI +StandardSignatureIsAuthenticAMD ( + VOID + ); + +#endif |