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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 |