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1 | /** @file\r | |
2 | CpuBreakpoint function.\r | |
3 | \r | |
4 | Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r | |
5 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
6 | \r | |
7 | **/\r | |
8 | \r | |
9 | /**\r | |
10 | Microsoft Visual Studio 7.1 Function Prototypes for I/O Intrinsics.\r | |
11 | **/\r | |
12 | \r | |
13 | void __writemsr (unsigned long Register, unsigned __int64 Value);\r | |
14 | \r | |
15 | #pragma intrinsic(__writemsr)\r | |
16 | \r | |
17 | /**\r | |
18 | Write data to MSR.\r | |
19 | \r | |
20 | @param Index The register index of MSR.\r | |
21 | @param Value Data wants to be written.\r | |
22 | \r | |
23 | @return Value written to MSR.\r | |
24 | \r | |
25 | **/\r | |
26 | UINT64\r | |
27 | EFIAPI\r | |
28 | AsmWriteMsr64 (\r | |
29 | IN UINT32 Index,\r | |
30 | IN UINT64 Value\r | |
31 | )\r | |
32 | {\r | |
33 | __writemsr (Index, Value);\r | |
34 | return Value;\r | |
35 | }\r | |
36 | \r |