1 /** @file 2 Stall Services that perform stalls and also enable the Stall operatation 3 to be replayed during an S3 resume. This library class maps directly on top 4 of the Timer class. 5 6 Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR> 7 8 This program and the accompanying materials 9 are licensed and made available under the terms and conditions 10 of the BSD License which accompanies this distribution. The 11 full text of the license may be found at 12 http://opensource.org/licenses/bsd-license.php 13 14 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 15 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 16 17 **/ 18 19 #ifndef __S3_STALL_LIB_H__ 20 #define __S3_STALL_LIB_H__ 21 22 /** 23 Stalls the CPU for at least the given number of microseconds and saves 24 the value in the S3 script to be replayed on S3 resume. 25 26 Stalls the CPU for the number of microseconds specified by MicroSeconds. 27 28 @param[in] MicroSeconds The minimum number of microseconds to delay. 29 30 @return MicroSeconds. 31 32 **/ 33 UINTN 34 EFIAPI 35 S3Stall ( 36 IN UINTN MicroSeconds 37 ); 38 39 #endif 40
