projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| f1baef62 | 1 | /// @file\r |
| 2 | /// IPF specific AsmReadCpuid()function\r | |
| 3 | ///\r | |
| bb817c56 HT |
4 | /// Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
| 5 | /// This program and the accompanying materials\r | |
| f1baef62 | 6 | /// are licensed and made available under the terms and conditions of the BSD License\r |
| 7 | /// which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | /// http://opensource.org/licenses/bsd-license.php\r | |
| 9 | ///\r | |
| 10 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | ///\r | |
| 13 | /// Module Name: ReadCpuid.s\r | |
| 14 | ///\r | |
| 15 | ///\r | |
| 16 | \r | |
| 17 | //---------------------------------------------------------------------------------\r | |
| 18 | //++\r | |
| 19 | // AsmReadCpuid\r | |
| 20 | //\r | |
| 21 | // This routine is used to Reads the current value of Processor Identifier Register (CPUID).\r | |
| 22 | //\r | |
| 23 | // Arguments :\r | |
| 24 | //\r | |
| 25 | // On Entry : The 8-bit Processor Identifier Register index to read.\r | |
| 26 | //\r | |
| 27 | // Return Value: The current value of Processor Identifier Register specified by Index.\r | |
| 28 | //\r | |
| 29 | //--\r | |
| 30 | //----------------------------------------------------------------------------------\r | |
| 31 | .text\r | |
| 32 | .type AsmReadCpuid, @function\r | |
| 33 | .proc AsmReadCpuid\r | |
| 34 | .regstk 1, 0, 0, 0\r | |
| 35 | \r | |
| 36 | AsmReadCpuid::\r | |
| 37 | mov r8 = cpuid[in0];;\r | |
| 38 | br.ret.dpnt b0;;\r | |
| 39 | .endp AsmReadCpuid\r | |
| 40 | \r |