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/* |
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* sony.cpp - Replacement .Sony driver (floppy drives) |
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* |
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< |
* Basilisk II (C) 1997-1999 Christian Bauer |
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> |
* Basilisk II (C) 1997-2001 Christian Bauer |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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*/ |
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#include <string.h> |
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#include <vector> |
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|
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#ifndef NO_STD_NAMESPACE |
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using std::vector; |
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#endif |
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|
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#include "sysdeps.h" |
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#include "cpu_emulation.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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|
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|
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// Check for inserted disks by polling? |
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#ifdef AMIGA |
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< |
#define DISK_INSERT_CHECK 1 // Check for inserted disks (problem: on most hardware, disks are not ejected and automatically remounted) |
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#define DISK_INSERT_CHECK 1 |
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#else |
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#define DISK_INSERT_CHECK 0 |
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#endif |
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// Struct for each drive |
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struct DriveInfo { |
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DriveInfo() |
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{ |
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next = NULL; |
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num = 0; |
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fh = NULL; |
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read_only = false; |
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status = 0; |
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} |
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> |
struct sony_drive_info { |
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> |
sony_drive_info() : num(0), fh(NULL), read_only(false), status(0) {} |
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> |
sony_drive_info(void *fh_, bool ro) : num(0), fh(fh_), read_only(ro), status(0) {} |
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|
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void close_fh(void) { Sys_close(fh); } |
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DriveInfo *next; // Pointer to next DriveInfo (must be first in struct!) |
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int num; // Drive number |
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void *fh; // Floppy driver file handle |
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bool to_be_mounted; // Flag: drive must be mounted in accRun |
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uint32 status; // Mac address of drive status record |
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}; |
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|
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// Linked list of DriveInfos |
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static DriveInfo *first_drive_info; |
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// List of drives handled by this driver |
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typedef vector<sony_drive_info> drive_vec; |
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static drive_vec drives; |
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|
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// Icon addresses (Mac address space, set by PatchROM()) |
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uint32 SonyDiskIconAddr; |
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uint32 SonyDriveIconAddr; |
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|
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// Flag: accRun called for the first time, run PatchAfterStartup() |
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static bool periodic_first_time = false; |
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// Flag: Control(accRun) has been called, interrupt routine is now active |
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static bool acc_run_called = false; |
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/* |
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* Get pointer to drive info, NULL = invalid drive number |
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* Get reference to drive info or drives.end() if not found |
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*/ |
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|
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static DriveInfo *get_drive_info(int num) |
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static drive_vec::iterator get_drive_info(int num) |
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{ |
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DriveInfo *info = first_drive_info; |
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while (info != NULL) { |
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drive_vec::iterator info, end = drives.end(); |
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> |
for (info = drives.begin(); info != end; ++info) { |
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if (info->num == num) |
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return info; |
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info = info->next; |
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} |
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return NULL; |
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return info; |
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} |
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void SonyInit(void) |
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{ |
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first_drive_info = NULL; |
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|
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// No drives specified in prefs? Then add defaults |
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if (PrefsFindString("floppy", 0) == NULL) |
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SysAddFloppyPrefs(); |
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|
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// Add drives specified in preferences |
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int32 index = 0; |
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> |
int index = 0; |
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const char *str; |
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while ((str = PrefsFindString("floppy", index++)) != NULL) { |
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bool read_only = false; |
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str++; |
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} |
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void *fh = Sys_open(str, read_only); |
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< |
if (fh) { |
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DriveInfo *info = new DriveInfo; |
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info->fh = fh; |
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info->read_only = SysIsReadOnly(fh); |
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DriveInfo *p = (DriveInfo *)&first_drive_info; |
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while (p->next != NULL) |
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p = p->next; |
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p->next = info; |
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} |
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> |
if (fh) |
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drives.push_back(sony_drive_info(fh, SysIsReadOnly(fh))); |
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} |
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} |
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void SonyExit(void) |
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{ |
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DriveInfo *info = first_drive_info, *next; |
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< |
while (info != NULL) { |
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< |
Sys_close(info->fh); |
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< |
next = info->next; |
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delete info; |
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< |
info = next; |
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} |
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> |
drive_vec::iterator info, end = drives.end(); |
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> |
for (info = drives.begin(); info != end; ++info) |
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> |
info->close_fh(); |
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> |
drives.clear(); |
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} |
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bool SonyMountVolume(void *fh) |
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{ |
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< |
DriveInfo *info; |
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< |
for (info = first_drive_info; info != NULL && info->fh != fh; info = info->next) ; |
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< |
if (info) { |
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> |
drive_vec::iterator info = drives.begin(), end = drives.end(); |
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> |
while (info != end && info->fh != fh) |
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> |
++info; |
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> |
if (info != end) { |
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if (SysIsDiskInserted(info->fh)) { |
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info->read_only = SysIsReadOnly(info->fh); |
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WriteMacInt8(info->status + dsDiskInPlace, 1); // Inserted removable disk |
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/* |
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* Mount volumes for which the to_be_mounted flag is set |
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* (called during interrupt time) |
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*/ |
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|
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+ |
static void mount_mountable_volumes(void) |
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{ |
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drive_vec::iterator info, end = drives.end(); |
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for (info = drives.begin(); info != end; ++info) { |
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|
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#if DISK_INSERT_CHECK |
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// Disk in drive? |
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if (!ReadMacInt8(info->status + dsDiskInPlace)) { |
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|
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// No, check if disk was inserted |
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+ |
if (SysIsDiskInserted(info->fh)) |
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+ |
SonyMountVolume(info->fh); |
| 226 |
+ |
} |
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#endif |
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+ |
|
| 229 |
+ |
// Mount disk if flagged |
| 230 |
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if (info->to_be_mounted) { |
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+ |
D(bug(" mounting drive %d\n", info->num)); |
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M68kRegisters r; |
| 233 |
+ |
r.d[0] = info->num; |
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r.a[0] = 7; // diskEvent |
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Execute68kTrap(0xa02f, &r); // PostEvent() |
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+ |
info->to_be_mounted = false; |
| 237 |
+ |
} |
| 238 |
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} |
| 239 |
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} |
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|
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|
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/* |
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* Set error code in DskErr |
| 244 |
+ |
*/ |
| 245 |
+ |
|
| 246 |
+ |
static int16 set_dsk_err(int16 err) |
| 247 |
+ |
{ |
| 248 |
+ |
WriteMacInt16(0x142, err); |
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+ |
return err; |
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+ |
} |
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+ |
|
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|
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+ |
/* |
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* Driver Open() routine |
| 255 |
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*/ |
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|
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// Set up DCE |
| 262 |
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WriteMacInt32(dce + dCtlPosition, 0); |
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WriteMacInt16(dce + dCtlQHdr + qFlags, ReadMacInt16(dce + dCtlQHdr + qFlags) & 0xff00 | 3); // Version number, must be >=3 or System 8 will replace us |
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< |
periodic_first_time = true; |
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> |
acc_run_called = false; |
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|
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// Install driver again with refnum -2 (HD20) |
| 267 |
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uint32 utab = ReadMacInt32(0x11c); |
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WriteMacInt32(0x134, 0xdeadbeef); |
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|
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// Clear DskErr |
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< |
WriteMacInt16(0x142, 0); |
| 274 |
> |
set_dsk_err(0); |
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|
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// Install drives |
| 277 |
< |
for (DriveInfo *info = first_drive_info; info; info = info->next) { |
| 277 |
> |
drive_vec::iterator info, end = drives.end(); |
| 278 |
> |
for (info = drives.begin(); info != end; ++info) { |
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|
| 280 |
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info->num = FindFreeDriveNumber(1); |
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info->to_be_mounted = false; |
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WriteMacInt32(pb + ioActCount, 0); |
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|
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// Drive valid and disk inserted? |
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< |
DriveInfo *info; |
| 333 |
< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
| 334 |
< |
return nsDrvErr; |
| 332 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
| 333 |
> |
if (info == drives.end()) |
| 334 |
> |
return set_dsk_err(nsDrvErr); |
| 335 |
|
if (!ReadMacInt8(info->status + dsDiskInPlace)) |
| 336 |
< |
return offLinErr; |
| 336 |
> |
return set_dsk_err(offLinErr); |
| 337 |
|
WriteMacInt8(info->status + dsDiskInPlace, 2); // Disk accessed |
| 338 |
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|
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// Get parameters |
| 341 |
|
size_t length = ReadMacInt32(pb + ioReqCount); |
| 342 |
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loff_t position = ReadMacInt32(dce + dCtlPosition); |
| 343 |
|
if ((length & 0x1ff) || (position & 0x1ff)) |
| 344 |
< |
return paramErr; |
| 344 |
> |
return set_dsk_err(paramErr); |
| 345 |
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|
| 346 |
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size_t actual = 0; |
| 347 |
|
if ((ReadMacInt16(pb + ioTrap) & 0xff) == aRdCmd) { |
| 349 |
|
// Read |
| 350 |
|
actual = Sys_read(info->fh, buffer, position, length); |
| 351 |
|
if (actual != length) |
| 352 |
< |
return readErr; |
| 352 |
> |
return set_dsk_err(readErr); |
| 353 |
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|
| 354 |
|
// Clear TagBuf |
| 355 |
|
WriteMacInt32(0x2fc, 0); |
| 360 |
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|
| 361 |
|
// Write |
| 362 |
|
if (info->read_only) |
| 363 |
< |
return wPrErr; |
| 363 |
> |
return set_dsk_err(wPrErr); |
| 364 |
|
actual = Sys_write(info->fh, buffer, position, length); |
| 365 |
|
if (actual != length) |
| 366 |
< |
return writErr; |
| 366 |
> |
return set_dsk_err(writErr); |
| 367 |
|
} |
| 368 |
|
|
| 369 |
|
// Update ParamBlock and DCE |
| 370 |
|
WriteMacInt32(pb + ioActCount, actual); |
| 371 |
|
WriteMacInt32(dce + dCtlPosition, ReadMacInt32(dce + dCtlPosition) + actual); |
| 372 |
< |
return noErr; |
| 372 |
> |
return set_dsk_err(noErr); |
| 373 |
|
} |
| 374 |
|
|
| 375 |
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|
| 385 |
|
// General codes |
| 386 |
|
switch (code) { |
| 387 |
|
case 1: // KillIO |
| 388 |
< |
return -1; |
| 388 |
> |
return set_dsk_err(-1); |
| 389 |
|
|
| 390 |
|
case 9: // Track cache |
| 391 |
< |
return noErr; |
| 356 |
< |
|
| 357 |
< |
case 65: { // Periodic action ("insert" disks on startup and check for disk changes) |
| 358 |
< |
DriveInfo *info = first_drive_info; |
| 359 |
< |
while (info != NULL) { |
| 391 |
> |
return set_dsk_err(noErr); |
| 392 |
|
|
| 393 |
< |
// Disk in drive? |
| 394 |
< |
if (!ReadMacInt8(info->status + dsDiskInPlace)) { |
| 395 |
< |
|
| 396 |
< |
#if DISK_INSERT_CHECK |
| 397 |
< |
// No, check if disk was inserted |
| 366 |
< |
if (SysIsDiskInserted(info->fh)) |
| 367 |
< |
SonyMountVolume(info->fh); |
| 368 |
< |
#endif |
| 369 |
< |
} |
| 370 |
< |
|
| 371 |
< |
// Mount disk if flagged |
| 372 |
< |
if (info->to_be_mounted) { |
| 373 |
< |
D(bug(" mounting drive %d\n", info->num)); |
| 374 |
< |
M68kRegisters r; |
| 375 |
< |
r.d[0] = info->num; |
| 376 |
< |
r.a[0] = 7; // diskEvent |
| 377 |
< |
Execute68kTrap(0xa02f, &r); // PostEvent() |
| 378 |
< |
info->to_be_mounted = false; |
| 379 |
< |
} |
| 380 |
< |
|
| 381 |
< |
info = info->next; |
| 382 |
< |
} |
| 383 |
< |
if (periodic_first_time) { |
| 384 |
< |
periodic_first_time = false; |
| 385 |
< |
PatchAfterStartup(); // Install patches after system startup |
| 386 |
< |
} |
| 393 |
> |
case 65: // Periodic action (accRun, "insert" disks on startup) |
| 394 |
> |
mount_mountable_volumes(); |
| 395 |
> |
PatchAfterStartup(); // Install patches after system startup |
| 396 |
> |
WriteMacInt16(dce + dCtlFlags, ReadMacInt16(dce + dCtlFlags) & ~0x2000); // Disable periodic action |
| 397 |
> |
acc_run_called = true; |
| 398 |
|
return noErr; |
| 388 |
– |
} |
| 399 |
|
} |
| 400 |
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|
| 401 |
|
// Drive valid? |
| 402 |
< |
DriveInfo *info; |
| 403 |
< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
| 404 |
< |
return nsDrvErr; |
| 402 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
| 403 |
> |
if (info == drives.end()) |
| 404 |
> |
return set_dsk_err(nsDrvErr); |
| 405 |
|
|
| 406 |
|
// Drive-specific codes |
| 407 |
+ |
int16 err = noErr; |
| 408 |
|
switch (code) { |
| 409 |
|
case 5: // Verify disk |
| 410 |
< |
if (ReadMacInt8(info->status + dsDiskInPlace) > 0) |
| 411 |
< |
return noErr; |
| 412 |
< |
else |
| 402 |
< |
return verErr; |
| 410 |
> |
if (ReadMacInt8(info->status + dsDiskInPlace) <= 0) |
| 411 |
> |
err = verErr; |
| 412 |
> |
break; |
| 413 |
|
|
| 414 |
|
case 6: // Format disk |
| 415 |
|
if (info->read_only) |
| 416 |
< |
return wPrErr; |
| 416 |
> |
err = wPrErr; |
| 417 |
|
else if (ReadMacInt8(info->status + dsDiskInPlace) > 0) { |
| 418 |
< |
if (SysFormat(info->fh)) |
| 419 |
< |
return noErr; |
| 410 |
< |
else |
| 411 |
< |
return writErr; |
| 418 |
> |
if (!SysFormat(info->fh)) |
| 419 |
> |
err = writErr; |
| 420 |
|
} else |
| 421 |
< |
return offLinErr; |
| 421 |
> |
err = offLinErr; |
| 422 |
> |
break; |
| 423 |
|
|
| 424 |
|
case 7: // Eject |
| 425 |
|
if (ReadMacInt8(info->status + dsDiskInPlace) > 0) { |
| 426 |
|
SysEject(info->fh); |
| 427 |
|
WriteMacInt8(info->status + dsDiskInPlace, 0); |
| 428 |
|
} |
| 429 |
< |
return noErr; |
| 429 |
> |
break; |
| 430 |
|
|
| 431 |
|
case 8: // Set tag buffer |
| 432 |
|
info->tag_buffer = ReadMacInt32(pb + csParam); |
| 433 |
< |
return noErr; |
| 433 |
> |
break; |
| 434 |
|
|
| 435 |
|
case 21: // Get drive icon |
| 436 |
|
WriteMacInt32(pb + csParam, SonyDriveIconAddr); |
| 437 |
< |
return noErr; |
| 437 |
> |
break; |
| 438 |
|
|
| 439 |
|
case 22: // Get disk icon |
| 440 |
|
WriteMacInt32(pb + csParam, SonyDiskIconAddr); |
| 441 |
< |
return noErr; |
| 441 |
> |
break; |
| 442 |
|
|
| 443 |
|
case 23: // Get drive info |
| 444 |
|
if (info->num == 1) |
| 445 |
|
WriteMacInt32(pb + csParam, 0x0004); // Internal drive |
| 446 |
|
else |
| 447 |
|
WriteMacInt32(pb + csParam, 0x0104); // External drive |
| 448 |
< |
return noErr; |
| 448 |
> |
break; |
| 449 |
|
|
| 450 |
< |
case 'SC': { // Format and write to disk |
| 450 |
> |
case 0x5343: // Format and write to disk ('SC'), used by DiskCopy |
| 451 |
|
if (!ReadMacInt8(info->status + dsDiskInPlace)) |
| 452 |
< |
return offLinErr; |
| 453 |
< |
if (info->read_only) |
| 454 |
< |
return wPrErr; |
| 455 |
< |
|
| 456 |
< |
void *data = Mac2HostAddr(ReadMacInt32(pb + csParam + 2)); |
| 457 |
< |
size_t actual = Sys_write(info->fh, data, 0, 2880*512); |
| 458 |
< |
if (actual != 2880*512) |
| 459 |
< |
return writErr; |
| 460 |
< |
else |
| 461 |
< |
return noErr; |
| 453 |
< |
} |
| 452 |
> |
err = offLinErr; |
| 453 |
> |
else if (info->read_only) |
| 454 |
> |
err = wPrErr; |
| 455 |
> |
else { |
| 456 |
> |
void *data = Mac2HostAddr(ReadMacInt32(pb + csParam + 2)); |
| 457 |
> |
size_t actual = Sys_write(info->fh, data, 0, 2880*512); |
| 458 |
> |
if (actual != 2880*512) |
| 459 |
> |
err = writErr; |
| 460 |
> |
} |
| 461 |
> |
break; |
| 462 |
|
|
| 463 |
|
default: |
| 464 |
|
printf("WARNING: Unknown SonyControl(%d)\n", code); |
| 465 |
< |
return controlErr; |
| 465 |
> |
err = controlErr; |
| 466 |
> |
break; |
| 467 |
|
} |
| 468 |
+ |
|
| 469 |
+ |
return set_dsk_err(err); |
| 470 |
|
} |
| 471 |
|
|
| 472 |
|
|
| 480 |
|
D(bug("SonyStatus %d\n", code)); |
| 481 |
|
|
| 482 |
|
// Drive valid? |
| 483 |
< |
DriveInfo *info; |
| 484 |
< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
| 485 |
< |
return nsDrvErr; |
| 483 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
| 484 |
> |
if (info == drives.end()) |
| 485 |
> |
return set_dsk_err(nsDrvErr); |
| 486 |
|
|
| 487 |
+ |
int16 err = noErr; |
| 488 |
|
switch (code) { |
| 489 |
|
case 6: // Return format list |
| 490 |
|
if (ReadMacInt16(pb + csParam) > 0) { |
| 492 |
|
WriteMacInt16(pb + csParam, 1); // 1 format |
| 493 |
|
WriteMacInt32(adr, 2880); // 2880 sectors |
| 494 |
|
WriteMacInt32(adr + 4, 0xd2120050); // 2 heads, 18 secs/track, 80 tracks |
| 483 |
– |
return noErr; |
| 495 |
|
} else |
| 496 |
< |
return paramErr; |
| 496 |
> |
err = paramErr; |
| 497 |
> |
break; |
| 498 |
|
|
| 499 |
|
case 8: // Get drive status |
| 500 |
< |
memcpy(Mac2HostAddr(pb + csParam), Mac2HostAddr(info->status), 22); |
| 501 |
< |
return noErr; |
| 500 |
> |
Mac2Mac_memcpy(pb + csParam, info->status, 22); |
| 501 |
> |
break; |
| 502 |
|
|
| 503 |
|
case 10: // Get disk type |
| 504 |
|
WriteMacInt32(pb + csParam, ReadMacInt32(info->status + dsMFMDrive) & 0xffffff00 | 0xfe); |
| 505 |
< |
return noErr; |
| 505 |
> |
break; |
| 506 |
|
|
| 507 |
< |
case 'DV': // Duplicator version supported |
| 507 |
> |
case 0x4456: // Duplicator version supported ('DV') |
| 508 |
|
WriteMacInt16(pb + csParam, 0x0410); |
| 509 |
< |
return noErr; |
| 509 |
> |
break; |
| 510 |
|
|
| 511 |
< |
case 'SC': // Get address header format byte |
| 511 |
> |
case 0x5343: // Get address header format byte ('SC') |
| 512 |
|
WriteMacInt8(pb + csParam, 0x22); // 512 bytes/sector |
| 513 |
< |
return noErr; |
| 513 |
> |
break; |
| 514 |
|
|
| 515 |
|
default: |
| 516 |
|
printf("WARNING: Unknown SonyStatus(%d)\n", code); |
| 517 |
< |
return statusErr; |
| 517 |
> |
err = statusErr; |
| 518 |
> |
break; |
| 519 |
|
} |
| 520 |
+ |
|
| 521 |
+ |
return set_dsk_err(err); |
| 522 |
+ |
} |
| 523 |
+ |
|
| 524 |
+ |
|
| 525 |
+ |
/* |
| 526 |
+ |
* Driver interrupt routine (1Hz) - check for volumes to be mounted |
| 527 |
+ |
*/ |
| 528 |
+ |
|
| 529 |
+ |
void SonyInterrupt(void) |
| 530 |
+ |
{ |
| 531 |
+ |
if (!acc_run_called) |
| 532 |
+ |
return; |
| 533 |
+ |
|
| 534 |
+ |
mount_mountable_volumes(); |
| 535 |
|
} |
