blob: 410ce5be6e3852ee3bd69bacc4ed4ed7422cfe05 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
;; @file
; Interrupt Redirection Template
;
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
;
; This program and the accompanying materials
; are licensed and made available under the terms and conditions
; of the BSD License which accompanies this distribution. The
; full text of the license may be found at
; http://opensource.org/licenses/bsd-license.php
;
; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
;
;;
.686P
.MODEL FLAT, C
.CODE
;----------------------------------------------------------------------------
; Procedure: InterruptRedirectionTemplate: Redirects interrupts 0x68-0x6F
;
; Input: None
;
; Output: None
;
; Prototype: VOID
; InterruptRedirectionTemplate (
; VOID
; );
;
; Saves: None
;
; Modified: None
;
; Description: Contains the code that is copied into low memory (below 640K).
; This code reflects interrupts 0x68-0x6f to interrupts 0x08-0x0f.
; This template must be copied into low memory, and the IDT entries
; 0x68-0x6F must be point to the low memory copy of this code. Each
; entry is 4 bytes long, so IDT entries 0x68-0x6F can be easily
; computed.
;
;----------------------------------------------------------------------------
InterruptRedirectionTemplate PROC C
int 08h
DB 0cfh ; IRET
nop
int 09h
DB 0cfh ; IRET
nop
int 0ah
DB 0cfh ; IRET
nop
int 0bh
DB 0cfh ; IRET
nop
int 0ch
DB 0cfh ; IRET
nop
int 0dh
DB 0cfh ; IRET
nop
int 0eh
DB 0cfh ; IRET
nop
int 0fh
DB 0cfh ; IRET
nop
InterruptRedirectionTemplate ENDP
END
|
