1 /** @file 2 CpuBreakpoint function. 3 4 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php. 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 /** 16 Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics. 17 **/ 18 19 void __writemsr (unsigned long Register, unsigned __int64 Value); 20 21 #pragma intrinsic(__writemsr) 22 23 /** 24 Write data to MSR. 25 26 @param Index The register index of MSR. 27 @param Value Data wants to be written. 28 29 @return Value written to MSR. 30 31 **/ 32 UINT64 33 EFIAPI AsmWriteMsr64(IN UINT32 Index,IN UINT64 Value)34AsmWriteMsr64 ( 35 IN UINT32 Index, 36 IN UINT64 Value 37 ) 38 { 39 __writemsr (Index, Value); 40 return Value; 41 } 42 43