projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3eb9473e | 1 | //++\r |
| 4ea9375a HT |
2 | // Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>\r |
| 3 | // This program and the accompanying materials \r | |
| 3eb9473e | 4 | // are licensed and made available under the terms and conditions of the BSD License \r |
| 5 | // which accompanies this distribution. The full text of the license may be found at \r | |
| 6 | // http://opensource.org/licenses/bsd-license.php \r | |
| 7 | // \r | |
| 8 | // THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
| 9 | // WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
| 10 | // \r | |
| 11 | // Module Name:\r | |
| 12 | //\r | |
| 13 | // PerformancePrimitives.s\r | |
| 14 | //\r | |
| 15 | // Abstract:\r | |
| 16 | //\r | |
| 17 | //\r | |
| 18 | // Revision History:\r | |
| 19 | //\r | |
| 20 | //--\r | |
| 21 | \r | |
| 22 | .file "PerformancePrimitives.s"\r | |
| 23 | \r | |
| 24 | #include "IpfMacro.i"\r | |
| 25 | \r | |
| 26 | //-----------------------------------------------------------------------------\r | |
| 27 | //++\r | |
| 28 | // GetTimerValue\r | |
| 29 | //\r | |
| 30 | // Implementation of CPU-based time service\r | |
| 31 | //\r | |
| 32 | // On Entry :\r | |
| 33 | // EFI_STATUS\r | |
| 34 | // GetTimerValue (\r | |
| 35 | // OUT UINT64 *TimerValue\r | |
| 36 | // )\r | |
| 37 | //\r | |
| 38 | // Return Value: \r | |
| 39 | // r8 = Status\r | |
| 40 | // r9 = 0\r | |
| 41 | // r10 = 0\r | |
| 42 | // r11 = 0\r | |
| 43 | // \r | |
| 44 | // As per static calling conventions. \r | |
| 45 | // \r | |
| 46 | //--\r | |
| 47 | //---------------------------------------------------------------------------\r | |
| 48 | PROCEDURE_ENTRY (GetTimerValue)\r | |
| 49 | \r | |
| 50 | NESTED_SETUP (1,8,0,0)\r | |
| 51 | mov r8 = ar.itc;;\r | |
| 52 | st8 [r32]= r8\r | |
| 53 | mov r8 = r0\r | |
| 54 | mov r9 = r0\r | |
| 55 | mov r10 = r0\r | |
| 56 | mov r11 = r0\r | |
| 57 | NESTED_RETURN\r | |
| 58 | \r | |
| 59 | PROCEDURE_EXIT (GetTimerValue)\r | |
| 60 | //---------------------------------------------------------------------------\r | |
| 61 | \r |