| 8e38ef0a |
1 | /// @file\r |
| 2 | /// IPF specific Debug Breakpoint Registers accessing functions\r |
| 3 | ///\r |
| 4 | /// Copyright (c) 2006, Intel Corporation\r |
| 5 | /// All rights reserved. This program and the accompanying materials\r |
| 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: AccessDbr.s\r |
| 14 | ///\r |
| 15 | ///\r |
| 16 | \r |
| 17 | //---------------------------------------------------------------------------------\r |
| 18 | //++\r |
| 19 | // AsmReadDbr\r |
| 20 | //\r |
| 21 | // This routine is used to Reads the current value of Data Breakpoint Register (DBR).\r |
| 22 | //\r |
| 23 | // Arguments :\r |
| 24 | //\r |
| 25 | // On Entry : The 8-bit DBR index to read.\r |
| 26 | //\r |
| 27 | // Return Value: The current value of DBR by Index.\r |
| 28 | //\r |
| 29 | //--\r |
| 30 | //----------------------------------------------------------------------------------\r |
| 31 | .text\r |
| 32 | .type AsmReadDbr, @function\r |
| 33 | .proc AsmReadDbr\r |
| 34 | .regstk 1, 0, 0, 0\r |
| 35 | \r |
| 36 | AsmReadDbr::\r |
| 37 | mov r8 = dbr[in0];;\r |
| 38 | br.ret.dpnt b0;;\r |
| 39 | .endp AsmReadDbr\r |
| 40 | \r |
| 41 | //---------------------------------------------------------------------------------\r |
| 42 | //++\r |
| 43 | // AsmWriteDbr\r |
| 44 | //\r |
| 45 | // This routine is used to write the current value to Data Breakpoint Register (DBR).\r |
| 46 | //\r |
| 47 | // Arguments :\r |
| 48 | //\r |
| 49 | // On Entry : The 8-bit DBR index to read.\r |
| 50 | // The value should be written to DBR\r |
| 51 | //\r |
| 52 | // Return Value: The value written to DBR.\r |
| 53 | //\r |
| 54 | //--\r |
| 55 | //----------------------------------------------------------------------------------\r |
| 56 | .text\r |
| 57 | .type AsmWriteDbr, @function\r |
| 58 | .proc AsmWriteDbr\r |
| 59 | .regstk 2, 0, 0, 0\r |
| 60 | \r |
| 61 | AsmWriteDbr::\r |
| 62 | mov dbr[in0] = in1\r |
| 63 | mov r8 = in1;;\r |
| 64 | srlz.d;;\r |
| 65 | br.ret.dpnt b0;;\r |
| 66 | .endp AsmWriteDbr\r |
| 67 | \r |
| 68 | \r |
| 69 | //---------------------------------------------------------------------------------\r |
| 70 | //++\r |
| 71 | // AsmReadIbr\r |
| 72 | //\r |
| 73 | // This routine is used to Reads the current value of Instruction Breakpoint Register (IBR).\r |
| 74 | //\r |
| 75 | // Arguments :\r |
| 76 | //\r |
| 77 | // On Entry : The 8-bit IBR index.\r |
| 78 | //\r |
| 79 | // Return Value: The current value of IBR by Index.\r |
| 80 | //\r |
| 81 | //--\r |
| 82 | //----------------------------------------------------------------------------------\r |
| 83 | .text\r |
| 84 | .type AsmReadIbr, @function\r |
| 85 | .proc AsmReadIbr\r |
| 86 | .regstk 1, 0, 0, 0\r |
| 87 | \r |
| 88 | AsmReadIbr::\r |
| 89 | mov r8 = ibr[in0];;\r |
| 90 | br.ret.dpnt b0;;\r |
| 91 | .endp AsmReadIbr\r |
| 92 | \r |
| 93 | //---------------------------------------------------------------------------------\r |
| 94 | //++\r |
| 95 | // AsmWriteIbr\r |
| 96 | //\r |
| 97 | // This routine is used to write the current value to Instruction Breakpoint Register (IBR).\r |
| 98 | //\r |
| 99 | // Arguments :\r |
| 100 | //\r |
| 101 | // On Entry : The 8-bit IBR index.\r |
| 102 | // The value should be written to IBR\r |
| 103 | //\r |
| 104 | // Return Value: The value written to IBR.\r |
| 105 | //\r |
| 106 | //--\r |
| 107 | //----------------------------------------------------------------------------------\r |
| 108 | .text\r |
| 109 | .type AsmWriteIbr, @function\r |
| 110 | .proc AsmWriteIbr\r |
| 111 | .regstk 2, 0, 0, 0\r |
| 112 | \r |
| 113 | AsmWriteIbr::\r |
| 114 | mov ibr[in0] = in1\r |
| 115 | mov r8 = in1;;\r |
| 116 | srlz.i;;\r |
| 117 | br.ret.dpnt b0;;\r |
| 118 | .endp AsmWriteIbr\r |
projects / mirror_edk2.git / blame