diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/UefiCpuPkg/Include/Library/UefiCpuLib.h | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/UefiCpuPkg/Include/Library/UefiCpuLib.h')
| -rw-r--r-- | roms/edk2/UefiCpuPkg/Include/Library/UefiCpuLib.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/roms/edk2/UefiCpuPkg/Include/Library/UefiCpuLib.h b/roms/edk2/UefiCpuPkg/Include/Library/UefiCpuLib.h new file mode 100644 index 000000000..5326e7246 --- /dev/null +++ b/roms/edk2/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
|