source: xtideuniversalbios/trunk/XTIDE_Universal_BIOS/Src/Device/MemoryMappedIDE/MemMappedIDE.inc @ 376

Last change on this file since 376 was 376, checked in by gregli@…, 12 years ago

WIDE checkin... Added copyright and license information to sorce files, as per the GPL instructions for usage.

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1; Project name  :   XTIDE Universal BIOS
2; Description   :   Macros for memory mapped ATA controllers.
3
4;
5; XTIDE Universal BIOS and Associated Tools
6; Copyright (C) 2009-2010 by Tomi Tilli, 2011-2012 by XTIDE Universal BIOS Team.
7;
8; This program is free software; you can redistribute it and/or modify
9; it under the terms of the GNU General Public License as published by
10; the Free Software Foundation; either version 2 of the License, or
11; (at your option) any later version.
12;
13; This program is distributed in the hope that it will be useful,
14; but WITHOUT ANY WARRANTY; without even the implied warranty of
15; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16; GNU General Public License for more details.     
17; Visit http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
18;
19
20%ifndef MEM_MAPPED_IDE_INC
21%define MEM_MAPPED_IDE_INC
22
23JRIDE_SECTOR_ACCESS_WINDOW_OFFSET           EQU 3C00h   ; 512 byte IDE Sector Access Window
24JRIDE_COMMAND_BLOCK_REGISTER_WINDOW_OFFSET  EQU 3E00h   ; 8 byte CS0 IDE Register Window
25JRIDE_CONTROL_BLOCK_REGISTER_WINDOW_OFFSET  EQU 3E08h   ; 8 byte CS1 IDE Register Window
26JRIDE_SECTOR_ACCESS_WINDOW_SIZE             EQU 512     ; 512 bytes
27
28
29
30;--------------------------------------------------------------------
31; OUTPUT_AL_TO_IDE_REGISTER_IN_DL
32; JUMP_TO_OUTPUT_AL_TO_IDE_REGISTER_IN_DL
33; OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER_IN_DL
34;   Parameters:
35;       AL:     Byte to output
36;       %1:     IDE Register                (OUTPUT_AL_TO_IDE_REGISTER)
37;               IDE Control Block Register  (OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER)
38;       DS:DI:  Ptr to DPT (in RAMVARS segment)
39;   Returns:
40;       Nothing
41;   Corrupts registers:
42;       BX, DX
43;--------------------------------------------------------------------
44%unmacro OUTPUT_AL_TO_IDE_REGISTER 1
45%macro OUTPUT_AL_TO_IDE_REGISTER 1
46    mov     [cs:JRIDE_COMMAND_BLOCK_REGISTER_WINDOW_OFFSET+%1], al
47%endmacro
48
49%unmacro JUMP_TO_OUTPUT_AL_TO_IDE_REGISTER 1
50%macro JUMP_TO_OUTPUT_AL_TO_IDE_REGISTER 1
51    OUTPUT_AL_TO_IDE_REGISTER %1
52    ret
53%endmacro
54
55%unmacro OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER 1
56%macro OUTPUT_AL_TO_IDE_CONTROL_BLOCK_REGISTER 1
57    mov     [cs:JRIDE_CONTROL_BLOCK_REGISTER_WINDOW_OFFSET+%1], al
58%endmacro
59
60
61;--------------------------------------------------------------------
62; INPUT_TO_AL_FROM_IDE_REGISTER
63; JUMP_TO_INPUT_TO_AL_FROM_IDE_REGISTER
64;   Parameters:
65;       %1:     IDE Register
66;       DS:DI:  Ptr to DPT (in RAMVARS segment)
67;   Returns:
68;       AL:     Inputted byte
69;   Corrupts registers:
70;       BX, DX
71;--------------------------------------------------------------------
72%unmacro INPUT_TO_AL_FROM_IDE_REGISTER 1
73%macro INPUT_TO_AL_FROM_IDE_REGISTER 1
74    mov     al, [cs:JRIDE_COMMAND_BLOCK_REGISTER_WINDOW_OFFSET+%1]
75%endmacro
76
77%unmacro JUMP_TO_INPUT_TO_AL_FROM_IDE_REGISTER 1
78%macro JUMP_TO_INPUT_TO_AL_FROM_IDE_REGISTER 1
79    INPUT_TO_AL_FROM_IDE_REGISTER %1
80    ret
81%endmacro
82
83
84%endif ; MEM_MAPPED_IDE_INC
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