3 * Copyright (C) 1998-2003 Brian Palmer <brianp@sginet.com>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 #define UNIMPLEMENTED BugCheck((DPRINT_WARNING, "Unimplemented\n"));
26 static BOOLEAN bReportError
= TRUE
;
28 /////////////////////////////////////////////////////////////////////////////////////////////
30 /////////////////////////////////////////////////////////////////////////////////////////////
32 VOID
DiskReportError (BOOLEAN bError
)
34 bReportError
= bError
;
37 VOID
DiskError(PCSTR ErrorString
, ULONG ErrorCode
)
39 CHAR ErrorCodeString
[200];
41 if (bReportError
== FALSE
)
44 sprintf(ErrorCodeString
, "%s\n\nError Code: 0x%lx\nError: %s", ErrorString
, ErrorCode
, DiskGetErrorCodeString(ErrorCode
));
46 DPRINTM(DPRINT_DISK
, "%s\n", ErrorCodeString
);
48 UiMessageBox(ErrorCodeString
);
51 PCSTR
DiskGetErrorCodeString(ULONG ErrorCode
)
55 case 0x00: return "no error";
56 case 0x01: return "bad command passed to driver";
57 case 0x02: return "address mark not found or bad sector";
58 case 0x03: return "diskette write protect error";
59 case 0x04: return "sector not found";
60 case 0x05: return "fixed disk reset failed";
61 case 0x06: return "diskette changed or removed";
62 case 0x07: return "bad fixed disk parameter table";
63 case 0x08: return "DMA overrun";
64 case 0x09: return "DMA access across 64k boundary";
65 case 0x0A: return "bad fixed disk sector flag";
66 case 0x0B: return "bad fixed disk cylinder";
67 case 0x0C: return "unsupported track/invalid media";
68 case 0x0D: return "invalid number of sectors on fixed disk format";
69 case 0x0E: return "fixed disk controlled data address mark detected";
70 case 0x0F: return "fixed disk DMA arbitration level out of range";
71 case 0x10: return "ECC/CRC error on disk read";
72 case 0x11: return "recoverable fixed disk data error, data fixed by ECC";
73 case 0x20: return "controller error (NEC for floppies)";
74 case 0x40: return "seek failure";
75 case 0x80: return "time out, drive not ready";
76 case 0xAA: return "fixed disk drive not ready";
77 case 0xBB: return "fixed disk undefined error";
78 case 0xCC: return "fixed disk write fault on selected drive";
79 case 0xE0: return "fixed disk status error/Error reg = 0";
80 case 0xFF: return "sense operation failed";
82 default: return "unknown error code";
86 // This function is in arch/i386/i386disk.c
87 //BOOLEAN DiskReadLogicalSectors(ULONG DriveNumber, U64 SectorNumber, ULONG SectorCount, PVOID Buffer)
89 BOOLEAN
DiskIsDriveRemovable(ULONG DriveNumber
)
91 // Hard disks use drive numbers >= 0x80
92 // So if the drive number indicates a hard disk
94 // 0x49 is our magic ramdisk drive, so return FALSE for that too
95 if ((DriveNumber
>= 0x80) || (DriveNumber
== 0x49))
100 // Drive is a floppy diskette so return TRUE
105 DiskGetBootPath(char *BootPath
, unsigned Size
)
107 static char Path
[] = "multi(0)disk(0)";
110 _itoa(BootDrive
, Device
, 10);
111 if (Size
<= sizeof(Path
) + 6 + strlen(Device
))
115 strcpy(BootPath
, Path
);
116 strcat(BootPath
, BootDrive
< 0x80 ? "fdisk" : "cdrom");
117 strcat(strcat(strcat(BootPath
, "("), Device
), ")");
119 if (strcmp(BootPath
, "multi(0)disk(0)cdrom(128)") == 0)
120 strcpy(BootPath
, "multi(0)disk(0)rdisk(0)partition(1)");
125 DiskNormalizeSystemPath(char *SystemPath
, unsigned Size
)
128 ULONG PartitionNumber
;
130 PARTITION_TABLE_ENTRY PartEntry
;
133 if (!DissectArcPath(SystemPath
, BootPath
, &DriveNumber
, &PartitionNumber
))
138 if (0 != PartitionNumber
)
143 if (! DiskGetActivePartitionEntry(DriveNumber
,
146 PartitionNumber
< 1 || 9 < PartitionNumber
)
152 while ('\0' != *p
&& 0 != _strnicmp(p
, "partition(", 10)) {
156 if (NULL
== p
|| '0' != *(p
- 1)) {
159 *(p
- 1) = '0' + PartitionNumber
;
165 // This function is in arch/i386/i386disk.c
166 //VOID DiskStopFloppyMotor(VOID)
168 // This function is in arch/i386/i386disk.c
169 //ULONG DiskGetCacheableBlockCount(ULONG DriveNumber)