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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/edk2/MdePkg/Include/Library/S3StallLib.h
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/edk2/MdePkg/Include/Library/S3StallLib.h')
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1 files changed, 32 insertions, 0 deletions
diff --git a/roms/edk2/MdePkg/Include/Library/S3StallLib.h b/roms/edk2/MdePkg/Include/Library/S3StallLib.h
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+++ b/roms/edk2/MdePkg/Include/Library/S3StallLib.h
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+/** @file
+ Stall Services that perform stalls and also enable the Stall operatation
+ to be replayed during an S3 resume. This library class maps directly on top
+ of the Timer class.
+
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef __S3_STALL_LIB_H__
+#define __S3_STALL_LIB_H__
+
+/**
+ Stalls the CPU for at least the given number of microseconds and saves
+ the value in the S3 script to be replayed on S3 resume.
+
+ Stalls the CPU for the number of microseconds specified by MicroSeconds.
+
+ @param[in] MicroSeconds The minimum number of microseconds to delay.
+
+ @return MicroSeconds.
+
+**/
+UINTN
+EFIAPI
+S3Stall (
+ IN UINTN MicroSeconds
+ );
+
+#endif