projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 3eb9473e | 1 | //++\r |
| 4ea9375a HT |
2 | // Copyright (c) 2007, 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 | // HWAccess.s\r | |
| 14 | //\r | |
| 15 | // Abstract:\r | |
| 16 | //\r | |
| 17 | // Contains an implementation of Read/Write Kr7 for the Itanium-based architecture.\r | |
| 18 | //\r | |
| 19 | //\r | |
| 20 | //\r | |
| 21 | // Revision History:\r | |
| 22 | //\r | |
| 23 | //--\r | |
| 24 | \r | |
| 25 | .file "HWAccess.s"\r | |
| 26 | #include "IpfMacro.i"\r | |
| 27 | \r | |
| 28 | \r | |
| 29 | //----------------------------------------------------------------------------------\r | |
| 30 | //++ \r | |
| 31 | //VOID\r | |
| 32 | //AsmWriteKr7 (\r | |
| 33 | // UINT64\r | |
| 34 | // );\r | |
| 35 | //\r | |
| 36 | // This routine saves the given input value into the kernel register 7\r | |
| 37 | //\r | |
| 38 | // Arguments :\r | |
| 39 | //\r | |
| 40 | // On Entry : 64 bit value to be saved.\r | |
| 41 | //\r | |
| 42 | // Return Value: None\r | |
| 43 | //\r | |
| 44 | //--\r | |
| 45 | //----------------------------------------------------------------------------------\r | |
| 46 | PROCEDURE_ENTRY (AsmWriteKr7)\r | |
| 47 | NESTED_SETUP (1,2,0,0)\r | |
| 48 | mov ar.k7 = in0;;\r | |
| 49 | NESTED_RETURN\r | |
| 50 | \r | |
| 51 | PROCEDURE_EXIT (AsmWriteKr7)\r | |
| 52 | \r | |
| 53 | //---------------------------------------------------------------------------------\r | |
| 54 | //++\r | |
| 55 | //UINT64\r | |
| 56 | //AsmReadKr7 (\r | |
| 57 | // VOID\r | |
| 58 | // );\r | |
| 59 | //\r | |
| 60 | // This routine returns the value of the kernel register 7\r | |
| 61 | //\r | |
| 62 | // Arguments :\r | |
| 63 | //\r | |
| 64 | // On Entry : None\r | |
| 65 | //\r | |
| 66 | // Return Value: 64bit Value of the register.\r | |
| 67 | //\r | |
| 68 | //--\r | |
| 69 | //----------------------------------------------------------------------------------\r | |
| 70 | PROCEDURE_ENTRY (AsmReadKr7)\r | |
| 71 | NESTED_SETUP (0,2,0,0)\r | |
| 72 | mov r8 = ar.k7;;\r | |
| 73 | NESTED_RETURN\r | |
| 74 | PROCEDURE_EXIT (AsmReadKr7)\r | |
| 75 | //----------------------------------------------------------------------------------\r | |
| 76 | \r | |
| 77 | \r |