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
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
|
/*
* The ARAnyM BetaDOS driver.
*
* 2001/2002 STan
*
* Based on:
* @(#)cookiefs/dosmain.c
*
* Copyright (c) Julian F. Reschke, 28. November 1995
* All rights reserved.
*
**/
#include <mintbind.h>
#include <mint/basepage.h>
#include <stdlib.h>
#include <string.h>
#include "mintfake.h"
#define DEVNAME "DEV.DOS Filesystem"
#define VERSION "0.1"
#if 0
#include "nfd.h"
#define TRACE(x) NFD(x)
#define DEBUG(x) NFD(x)
#else
#define TRACE(x)
#define DEBUG(x)
#endif
char DriverName[] = DEVNAME" "VERSION;
long ldp;
void __CDECL ShowBanner( void );
void* __CDECL InitDevice( long bosDevID, long dosDevID );
unsigned long get_cookie (unsigned long tag);
/* Diverse Utility-Funktionen */
static int Bconws( char *str )
{
int cnt = 0;
while (*str) {
cnt++;
if (*str == '\n') {
Bconout (2, '\r');
cnt++;
}
Bconout (2, *str++);
}
return cnt;
}
void __CDECL ShowBanner( void )
{
Bconws (
"\n\033p "DEVNAME" "VERSION" \033q "
"\nCopyright (c) ARAnyM Development Team, "__DATE__"\n"
);
}
struct cookie
{
long tag;
long value;
};
unsigned long get_cookie (unsigned long tag)
{
struct cookie *cookie = *(struct cookie **)0x5a0;
if (!cookie) return 0;
while (cookie->tag) {
if (cookie->tag == tag) return cookie->value;
cookie++;
}
return 0;
}
/* FIXME: from bosmeta.c */
int bosfs_initialize();
void* __CDECL InitDevice( long bosDevID, long dosDevID )
{
if (get_cookie(0x4D694E54L /*'MiNT'*/))
{
return (void*)-1;
}
/*
* We _must_ use the bosDevID to define the drive letter here
* because MetaDOS (in contrary to BetaDOS) does not provide
* the dosDevID
*/
DEBUG(("InitDevice: [dosDev=%ld, bosDev=%ld]", dosDevID, bosDevID ));
if ( bosfs_initialize() < 0 )
{
return (void*)-1;
}
return &ldp;
}
|
