| 878ddf1f |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;\r |
| 3 | ; Copyright (c) 2006, Intel Corporation\r |
| 4 | ; All rights reserved. This program and the accompanying materials\r |
| 5 | ; are licensed and made available under the terms and conditions of the BSD License\r |
| 6 | ; which accompanies this distribution. The full text of the license may be found at\r |
| 7 | ; http://opensource.org/licenses/bsd-license.php\r |
| 8 | ;\r |
| 9 | ; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r |
| 10 | ; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r |
| 11 | ;\r |
| 12 | ; Module Name:\r |
| 13 | ;\r |
| 14 | ; ReadPmc.Asm\r |
| 15 | ;\r |
| 16 | ; Abstract:\r |
| 17 | ;\r |
| 18 | ; AsmReadPmc function\r |
| 19 | ;\r |
| 20 | ; Notes:\r |
| 21 | ;\r |
| 22 | ;------------------------------------------------------------------------------\r |
| 23 | \r |
| 24 | .code\r |
| 25 | \r |
| 26 | ;------------------------------------------------------------------------------\r |
| 27 | ; UINT64\r |
| 28 | ; EFIAPI\r |
| 29 | ; AsmReadPmc (\r |
| 30 | ; IN UINT32 PmcIndex\r |
| 31 | ; );\r |
| 32 | ;------------------------------------------------------------------------------\r |
| 33 | AsmReadPmc PROC\r |
| 34 | rdpmc\r |
| 35 | shl ecx, 1\r |
| 36 | jnc @F\r |
| 37 | shl rax, 20h\r |
| 38 | shrd rax, rdx, 20h\r |
| 39 | @@:\r |
| 40 | ret\r |
| 41 | AsmReadPmc ENDP\r |
| 42 | \r |
| 43 | END\r |
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