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/* |
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* cdrom.cpp - CD-ROM driver |
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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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// Icon address (Mac address space, set by PatchROM()) |
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uint32 CDROMIconAddr; |
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|
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// Number of ticks between checks for disk insertion |
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const int driver_delay = 120; |
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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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if (Sys_read(info->fh, map, i * 512, 512) != 512) |
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break; |
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|
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// Skip driver descriptor |
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uint16 sig = ntohs(((uint16 *)map)[0]); |
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if (sig == 'ER') |
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continue; |
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// No partition map? Then look at next block |
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if (sig != 'PM') |
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// Not a partition map block? Then look at next block |
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uint16 sig = (map[0] << 8) | map[1]; |
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if (sig != 0x504d) |
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continue; |
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// Partition map found, Apple HFS partition? |
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// Partition map block found, Apple HFS partition? |
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if (strcmp((char *)(map + 48), "Apple_HFS") == 0) { |
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info->start_byte = ntohl(((uint32 *)map)[2]) << 9; |
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D(bug(" HFS partition found at %ld, %ld blocks\n", info->start_byte, ntohl(((uint32 *)map)[3]))); |
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D(bug(" HFS partition found at %d, %d blocks\n", info->start_byte, ntohl(((uint32 *)map)[3]))); |
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break; |
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} |
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} |
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return controlErr; |
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case 103: { // AudioTrackSearch |
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D(bug(" AudioTrackSearch postype %d, pos %08lx, hold %d\n", ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), ReadMacInt16(pb + csParam + 6))); |
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D(bug(" AudioTrackSearch postype %d, pos %08x, hold %d\n", ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), ReadMacInt16(pb + csParam + 6))); |
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if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
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return offLinErr; |
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uint32 sel = ReadMacInt32(pb + csParam); |
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D(bug(" driver gestalt %c%c%c%c\n", sel >> 24, sel >> 16, sel >> 8, sel)); |
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switch (sel) { |
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case 'vers': // Version |
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case FOURCC('v','e','r','s'): // Version |
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WriteMacInt32(pb + csParam + 4, 0x05208000); |
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break; |
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case 'devt': // Device type |
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WriteMacInt32(pb + csParam + 4, 'cdrm'); |
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case FOURCC('d','e','v','t'): // Device type |
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WriteMacInt32(pb + csParam + 4, FOURCC('c','d','r','m')); |
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break; |
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case 'intf': // Interface type |
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WriteMacInt32(pb + csParam + 4, 'basi'); |
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case FOURCC('i','n','t','f'): // Interface type |
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WriteMacInt32(pb + csParam + 4, EMULATOR_ID_4); |
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break; |
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case 'sync': // Only synchronous operation? |
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case FOURCC('s','y','n','c'): // Only synchronous operation? |
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WriteMacInt32(pb + csParam + 4, 0x01000000); |
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break; |
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case 'boot': // Boot ID |
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case FOURCC('b','o','o','t'): // Boot ID |
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if (info != NULL) |
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WriteMacInt16(pb + csParam + 4, info->num); |
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else |
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WriteMacInt16(pb + csParam + 4, 0); |
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WriteMacInt16(pb + csParam + 6, (uint16)CDROMRefNum); |
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break; |
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case 'wide': // 64-bit access supported? |
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case FOURCC('w','i','d','e'): // 64-bit access supported? |
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WriteMacInt16(pb + csParam + 4, 0); |
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break; |
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case 'purg': // Purge flags |
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case FOURCC('p','u','r','g'): // Purge flags |
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WriteMacInt32(pb + csParam + 4, 0); |
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break; |
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case 'ejec': // Eject flags |
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case FOURCC('e','j','e','c'): // Eject flags |
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WriteMacInt32(pb + csParam + 4, 0x00030003); // Don't eject on shutdown/restart |
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break; |
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case 'flus': // Flush flags |
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case FOURCC('f','l','u','s'): // Flush flags |
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WriteMacInt16(pb + csParam + 4, 0); |
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break; |
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case 'vmop': // Virtual memory attributes |
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case FOURCC('v','m','o','p'): // Virtual memory attributes |
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WriteMacInt32(pb + csParam + 4, 0); // Drive not available for VM |
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break; |
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default: |
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// Drive-specific codes |
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switch (code) { |
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case 6: // Return format list |
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if (ReadMacInt16(pb + csParam) > 0) { |
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uint32 adr = ReadMacInt32(pb + csParam + 2); |
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WriteMacInt16(pb + csParam, 1); // 1 format |
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WriteMacInt32(adr, SysGetFileSize(info->fh) / 512); // Number of blocks |
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WriteMacInt32(adr + 4, 0); // heads/track/sectors |
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return noErr; |
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} else |
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return paramErr; |
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case 8: // DriveStatus |
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Mac2Mac_memcpy(pb + csParam, info->status, 22); |
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return noErr; |
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/* |
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* Driver interrupt routine - check for volumes to be mounted |
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* Driver interrupt routine (1Hz) - check for volumes to be mounted |
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*/ |
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void CDROMInterrupt(void) |
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{ |
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static int tick_count = 0; |
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if (!acc_run_called) |
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return; |
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tick_count++; |
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if (tick_count > driver_delay) { |
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tick_count = 0; |
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mount_mountable_volumes(); |
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} |
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mount_mountable_volumes(); |
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} |
