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1 | TITLE IvtAsm.asm:\r |
| 2 | ;------------------------------------------------------------------------------\r |
| 3 | ;*\r |
| 4 | ;* Copyright 2008 - 2009, 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 | ;* IvtAsm.asm\r |
| 14 | ;*\r |
| 15 | ;* Abstract:\r |
| 16 | ;*\r |
| 17 | ;------------------------------------------------------------------------------\r |
| 18 | \r |
| 19 | #include <Base.h>\r |
| 20 | \r |
| 21 | #ifdef MDE_CPU_IA32\r |
| 22 | .686\r |
| 23 | .model flat,C\r |
| 24 | #endif\r |
| 25 | .code\r |
| 26 | \r |
| 27 | ;------------------------------------------------------------------------------\r |
| 28 | ; Generic IDT Vector Handlers for the Host. They are all the same so they\r |
| 29 | ; will compress really well.\r |
| 30 | ;\r |
| 31 | ; By knowing the return address for Vector 00 you can can calculate the\r |
| 32 | ; vector number by looking at the call CommonInterruptEntry return address.\r |
| 33 | ; (return address - (AsmIdtVector00 + 5))/8 == IDT index\r |
| 34 | ;\r |
| 35 | ;------------------------------------------------------------------------------\r |
| 36 | \r |
| 37 | EXTRN CommonInterruptEntry:PROC\r |
| 38 | \r |
| 39 | ALIGN 8\r |
| 40 | \r |
| 41 | PUBLIC AsmIdtVector00\r |
| 42 | \r |
| 43 | AsmIdtVector00 LABEL BYTE\r |
| 44 | REPEAT 256\r |
| 45 | call CommonInterruptEntry\r |
| 46 | dw ($ - AsmIdtVector00 - 5) / 8 ; vector number\r |
| 47 | nop\r |
| 48 | ENDM\r |
| 49 | \r |
| 50 | END\r |
| 51 | \r |
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