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cebix |
1.1 |
/* |
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* cdrom.cpp - CD-ROM driver |
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* |
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cebix |
1.5 |
* Basilisk II (C) 1997-2000 Christian Bauer |
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cebix |
1.1 |
* |
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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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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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/* |
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* SEE ALSO |
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* Inside Macintosh: Devices, chapter 1 "Device Manager" |
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* Technote DV 05: "Drive Queue Elements" |
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* Technote DV 22: "CD-ROM Driver Calls" |
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* Technote DV 23: "Driver Education" |
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* Technote FL 24: "Don't Look at ioPosOffset for Devices" |
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* Technote FL 36: "Apple Extensions to ISO 9660" |
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*/ |
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#include <string.h> |
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#include "sysdeps.h" |
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "macos_util.h" |
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#include "sys.h" |
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#include "prefs.h" |
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#include "cdrom.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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// CDROM disk/drive icon |
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const uint8 CDROMIcon[258] = { |
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0x3f, 0xff, 0xff, 0xf0, 0x40, 0x00, 0x00, 0x08, 0x80, 0x1f, 0xc0, 0x04, 0x80, 0x75, 0x70, 0x04, |
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0x81, 0xaa, 0xac, 0x04, 0x83, 0x55, 0x56, 0x04, 0x86, 0xaa, 0xab, 0x04, 0x8d, 0x55, 0x55, 0x84, |
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0x8a, 0xaa, 0xaa, 0xc4, 0x95, 0x5f, 0xd5, 0x44, 0x9a, 0xb0, 0x6a, 0xe4, 0xb5, 0x67, 0x35, 0x64, |
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0xaa, 0xcf, 0x9a, 0xb4, 0xb5, 0x5c, 0x55, 0x74, 0xaa, 0xd8, 0x5a, 0xb4, 0xb5, 0x58, 0x55, 0x74, |
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0xaa, 0xc8, 0x9a, 0xb4, 0xb5, 0x67, 0x35, 0x74, 0x9a, 0xb0, 0x6a, 0xf4, 0x95, 0x5f, 0xd5, 0x64, |
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0x8a, 0xaa, 0xaa, 0xe4, 0x8d, 0x55, 0x55, 0xc4, 0x86, 0xaa, 0xab, 0xc4, 0x83, 0x55, 0x57, 0x84, |
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0x81, 0xaa, 0xaf, 0x04, 0x80, 0xf5, 0x7e, 0x04, 0x80, 0x3f, 0xf8, 0x04, 0x80, 0x0f, 0xe0, 0x04, |
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0xff, 0xff, 0xff, 0xfc, 0x80, 0x00, 0x00, 0x04, 0x80, 0x1f, 0xf0, 0x04, 0x7f, 0xff, 0xff, 0xf8, |
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0x3f, 0xff, 0xff, 0xf0, 0x7f, 0xff, 0xff, 0xf8, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, |
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0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0xff, 0xff, 0xff, 0xfc, 0x7f, 0xff, 0xff, 0xf8, |
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0, 0 |
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}; |
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// Tables for converting bin<->BCD |
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static const uint8 bin2bcd[256] = { |
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0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, |
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0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, |
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0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, |
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0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, |
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0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x49, |
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0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58, 0x59, |
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0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, 0x68, 0x69, |
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0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78, 0x79, |
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0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, 0x88, 0x89, |
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0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, 0x98, 0x99, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
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}; |
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static const uint8 bcd2bin[256] = { |
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, |
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
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}; |
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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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start_byte = 0; |
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status = 0; |
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} |
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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; // File handle |
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int block_size; // CD-ROM block size |
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int twok_offset; // Offset of beginning of 2K block to last Prime position |
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uint32 start_byte; // Start of HFS partition on disk |
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bool to_be_mounted; // Flag: drive must be mounted in accRun |
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bool mount_non_hfs; // Flag: Issue disk-inserted events for non-HFS disks |
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uint8 toc[804]; // TOC of currently inserted disk |
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uint8 lead_out[3]; // MSF address of lead-out track |
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uint8 stop_at[3]; // MSF address of audio play stopping point |
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uint8 play_mode; // Audio play mode |
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uint8 power_mode; // Power mode |
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uint32 status; // Mac address of drive status record |
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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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// Icon address (Mac address space, set by PatchROM()) |
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uint32 CDROMIconAddr; |
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cebix |
1.2 |
// 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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cebix |
1.1 |
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/* |
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* Get pointer to drive info, NULL = invalid drive number |
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*/ |
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static DriveInfo *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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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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} |
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/* |
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* Find HFS partition, set info->start_byte (0 = no HFS partition) |
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*/ |
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static void find_hfs_partition(DriveInfo *info) |
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{ |
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info->start_byte = 0; |
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uint8 *map = new uint8[512]; |
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// Search first 64 blocks for HFS partition |
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for (int i=0; i<64; i++) { |
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if (Sys_read(info->fh, map, i * 512, 512) != 512) |
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break; |
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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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continue; |
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// Partition map 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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break; |
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} |
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} |
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delete[] map; |
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} |
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210 |
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211 |
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/* |
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* Read TOC of disk and set lead_out |
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*/ |
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215 |
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static void read_toc(DriveInfo *info) |
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{ |
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// Read TOC |
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memset(&info->toc, 0, sizeof(info->toc)); |
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SysCDReadTOC(info->fh, info->toc); |
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D(bug(" TOC: %08lx %08lx\n", ntohl(((uint32 *)info->toc)[0]), ntohl(((uint32 *)info->toc)[1]))); |
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// Find lead-out track |
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info->lead_out[0] = 0; |
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info->lead_out[1] = 0; |
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info->lead_out[2] = 0; |
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for (int i=4; i<804; i+=8) { |
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if (info->toc[i+2] == 0xaa) { |
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info->stop_at[0] = info->lead_out[0] = info->toc[i+5]; |
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info->stop_at[1] = info->lead_out[1] = info->toc[i+6]; |
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info->stop_at[2] = info->lead_out[2] = info->toc[i+7]; |
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break; |
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} |
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} |
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D(bug(" Lead-Out M %d S %d F %d\n", info->lead_out[0], info->lead_out[1], info->lead_out[2])); |
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} |
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237 |
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238 |
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/* |
239 |
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* Convert audio positioning type/position to MSF address |
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* Return: false = error |
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*/ |
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243 |
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static bool position2msf(DriveInfo *info, uint16 postype, uint32 pos, bool stopping, uint8 &m, uint8 &s, uint8 &f) |
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{ |
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switch (postype) { |
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case 0: |
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m = pos / (60 * 75); |
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s = (pos / 75) % 60; |
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f = pos % 75; |
250 |
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return true; |
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case 1: |
252 |
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m = bcd2bin[(pos >> 16) & 0xff]; |
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s = bcd2bin[(pos >> 8) & 0xff]; |
254 |
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f = bcd2bin[pos & 0xff]; |
255 |
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return true; |
256 |
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case 2: { |
257 |
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uint8 track = bcd2bin[pos & 0xff]; |
258 |
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if (stopping) |
259 |
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track++; |
260 |
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for (int i=4; i<804; i+=8) { |
261 |
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if (info->toc[i+2] == track || info->toc[i+2] == 0xaa) { |
262 |
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m = info->toc[i+5]; |
263 |
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s = info->toc[i+6]; |
264 |
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f = info->toc[i+7]; |
265 |
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return true; |
266 |
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} |
267 |
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} |
268 |
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return false; |
269 |
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} |
270 |
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default: |
271 |
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return false; |
272 |
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} |
273 |
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} |
274 |
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275 |
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276 |
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/* |
277 |
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* Initialization |
278 |
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*/ |
279 |
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280 |
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void CDROMInit(void) |
281 |
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{ |
282 |
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first_drive_info = NULL; |
283 |
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284 |
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// No drives specified in prefs? Then add defaults |
285 |
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if (PrefsFindString("cdrom", 0) == NULL) |
286 |
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SysAddCDROMPrefs(); |
287 |
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288 |
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// Add drives specified in preferences |
289 |
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int32 index = 0; |
290 |
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const char *str; |
291 |
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while ((str = PrefsFindString("cdrom", index++)) != NULL) { |
292 |
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void *fh = Sys_open(str, true); |
293 |
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if (fh) { |
294 |
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DriveInfo *info = new DriveInfo; |
295 |
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info->fh = fh; |
296 |
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DriveInfo *p = (DriveInfo *)&first_drive_info; |
297 |
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while (p->next != NULL) |
298 |
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p = p->next; |
299 |
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p->next = info; |
300 |
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} |
301 |
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} |
302 |
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} |
303 |
|
|
|
304 |
|
|
|
305 |
|
|
/* |
306 |
|
|
* Deinitialization |
307 |
|
|
*/ |
308 |
|
|
|
309 |
|
|
void CDROMExit(void) |
310 |
|
|
{ |
311 |
|
|
DriveInfo *info = first_drive_info, *next; |
312 |
|
|
while (info != NULL) { |
313 |
cebix |
1.3 |
SysAllowRemoval(info->fh); |
314 |
cebix |
1.1 |
Sys_close(info->fh); |
315 |
|
|
next = info->next; |
316 |
|
|
delete info; |
317 |
|
|
info = next; |
318 |
|
|
} |
319 |
|
|
} |
320 |
|
|
|
321 |
|
|
|
322 |
|
|
/* |
323 |
|
|
* Disk was inserted, flag for mounting |
324 |
|
|
*/ |
325 |
|
|
|
326 |
|
|
bool CDROMMountVolume(void *fh) |
327 |
|
|
{ |
328 |
|
|
DriveInfo *info; |
329 |
|
|
for (info = first_drive_info; info != NULL && info->fh != fh; info = info->next) ; |
330 |
|
|
if (info) { |
331 |
|
|
if (SysIsDiskInserted(info->fh)) { |
332 |
|
|
SysPreventRemoval(info->fh); |
333 |
|
|
WriteMacInt8(info->status + dsDiskInPlace, 1); |
334 |
|
|
read_toc(info); |
335 |
|
|
find_hfs_partition(info); |
336 |
|
|
if (info->start_byte != 0 || info->mount_non_hfs) |
337 |
|
|
info->to_be_mounted = true; |
338 |
|
|
} |
339 |
|
|
return true; |
340 |
|
|
} else |
341 |
|
|
return false; |
342 |
|
|
} |
343 |
|
|
|
344 |
|
|
|
345 |
|
|
/* |
346 |
cebix |
1.2 |
* Mount volumes for which the to_be_mounted flag is set |
347 |
|
|
* (called during interrupt time) |
348 |
|
|
*/ |
349 |
|
|
|
350 |
|
|
static void mount_mountable_volumes(void) |
351 |
|
|
{ |
352 |
|
|
DriveInfo *info = first_drive_info; |
353 |
|
|
while (info != NULL) { |
354 |
|
|
|
355 |
|
|
// Disk in drive? |
356 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) { |
357 |
|
|
|
358 |
|
|
// No, check if disk was inserted |
359 |
|
|
if (SysIsDiskInserted(info->fh)) |
360 |
|
|
CDROMMountVolume(info->fh); |
361 |
|
|
} |
362 |
|
|
|
363 |
|
|
// Mount disk if flagged |
364 |
|
|
if (info->to_be_mounted) { |
365 |
|
|
D(bug(" mounting drive %d\n", info->num)); |
366 |
|
|
M68kRegisters r; |
367 |
|
|
r.d[0] = info->num; |
368 |
|
|
r.a[0] = 7; // diskEvent |
369 |
|
|
Execute68kTrap(0xa02f, &r); // PostEvent() |
370 |
|
|
info->to_be_mounted = false; |
371 |
|
|
} |
372 |
|
|
|
373 |
|
|
info = info->next; |
374 |
|
|
} |
375 |
|
|
} |
376 |
|
|
|
377 |
|
|
|
378 |
|
|
/* |
379 |
cebix |
1.1 |
* Driver Open() routine |
380 |
|
|
*/ |
381 |
|
|
|
382 |
|
|
int16 CDROMOpen(uint32 pb, uint32 dce) |
383 |
|
|
{ |
384 |
|
|
D(bug("CDROMOpen\n")); |
385 |
|
|
|
386 |
|
|
// Set up DCE |
387 |
|
|
WriteMacInt32(dce + dCtlPosition, 0); |
388 |
cebix |
1.2 |
acc_run_called = false; |
389 |
cebix |
1.1 |
|
390 |
|
|
// Install drives |
391 |
|
|
for (DriveInfo *info = first_drive_info; info; info = info->next) { |
392 |
|
|
|
393 |
|
|
info->num = FindFreeDriveNumber(1); |
394 |
|
|
info->to_be_mounted = false; |
395 |
|
|
|
396 |
|
|
if (info->fh) { |
397 |
|
|
info->mount_non_hfs = true; |
398 |
|
|
info->block_size = 512; |
399 |
|
|
info->twok_offset = -1; |
400 |
|
|
info->play_mode = 0x09; |
401 |
|
|
info->power_mode = 0; |
402 |
|
|
|
403 |
|
|
// Allocate drive status record |
404 |
|
|
M68kRegisters r; |
405 |
|
|
r.d[0] = SIZEOF_DrvSts; |
406 |
|
|
Execute68kTrap(0xa71e, &r); // NewPtrSysClear() |
407 |
|
|
if (r.a[0] == 0) |
408 |
|
|
continue; |
409 |
|
|
info->status = r.a[0]; |
410 |
|
|
D(bug(" DrvSts at %08lx\n", info->status)); |
411 |
|
|
|
412 |
|
|
// Set up drive status |
413 |
|
|
WriteMacInt8(info->status + dsWriteProt, 0x80); |
414 |
|
|
WriteMacInt8(info->status + dsInstalled, 1); |
415 |
|
|
WriteMacInt8(info->status + dsSides, 1); |
416 |
|
|
|
417 |
|
|
// Disk in drive? |
418 |
|
|
if (SysIsDiskInserted(info->fh)) { |
419 |
|
|
SysPreventRemoval(info->fh); |
420 |
|
|
WriteMacInt8(info->status + dsDiskInPlace, 1); |
421 |
|
|
read_toc(info); |
422 |
|
|
find_hfs_partition(info); |
423 |
|
|
info->to_be_mounted = true; |
424 |
|
|
} |
425 |
|
|
|
426 |
|
|
// Add drive to drive queue |
427 |
|
|
D(bug(" adding drive %d\n", info->num)); |
428 |
|
|
r.d[0] = (info->num << 16) | (CDROMRefNum & 0xffff); |
429 |
|
|
r.a[0] = info->status + dsQLink; |
430 |
|
|
Execute68kTrap(0xa04e, &r); // AddDrive() |
431 |
|
|
} |
432 |
|
|
} |
433 |
|
|
return noErr; |
434 |
|
|
} |
435 |
|
|
|
436 |
|
|
|
437 |
|
|
/* |
438 |
|
|
* Driver Prime() routine |
439 |
|
|
*/ |
440 |
|
|
|
441 |
|
|
int16 CDROMPrime(uint32 pb, uint32 dce) |
442 |
|
|
{ |
443 |
|
|
WriteMacInt32(pb + ioActCount, 0); |
444 |
|
|
|
445 |
|
|
// Drive valid and disk inserted? |
446 |
|
|
DriveInfo *info; |
447 |
|
|
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
448 |
|
|
return nsDrvErr; |
449 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
450 |
|
|
return offLinErr; |
451 |
|
|
|
452 |
|
|
// Get parameters |
453 |
|
|
void *buffer = Mac2HostAddr(ReadMacInt32(pb + ioBuffer)); |
454 |
|
|
size_t length = ReadMacInt32(pb + ioReqCount); |
455 |
|
|
loff_t position = ReadMacInt32(dce + dCtlPosition); |
456 |
|
|
if ((length & (info->block_size - 1)) || (position & (info->block_size - 1))) |
457 |
|
|
return paramErr; |
458 |
|
|
info->twok_offset = (position + info->start_byte) & 0x7ff; |
459 |
|
|
|
460 |
|
|
size_t actual = 0; |
461 |
|
|
if ((ReadMacInt16(pb + ioTrap) & 0xff) == aRdCmd) { |
462 |
|
|
|
463 |
|
|
// Read |
464 |
|
|
actual = Sys_read(info->fh, buffer, position + info->start_byte, length); |
465 |
|
|
if (actual != length) { |
466 |
|
|
|
467 |
|
|
// Read error, tried to read HFS root block? |
468 |
|
|
if (length == 0x200 && position == 0x400) { |
469 |
|
|
|
470 |
|
|
// Yes, fake (otherwise audio CDs won't get mounted) |
471 |
|
|
memset(buffer, 0, 0x200); |
472 |
|
|
actual = 0x200; |
473 |
|
|
} else |
474 |
|
|
return readErr; |
475 |
|
|
} |
476 |
|
|
} else |
477 |
|
|
return wPrErr; |
478 |
|
|
|
479 |
|
|
// Update ParamBlock and DCE |
480 |
|
|
WriteMacInt32(pb + ioActCount, actual); |
481 |
|
|
WriteMacInt32(dce + dCtlPosition, ReadMacInt32(dce + dCtlPosition) + actual); |
482 |
|
|
return noErr; |
483 |
|
|
} |
484 |
|
|
|
485 |
|
|
|
486 |
|
|
/* |
487 |
|
|
* Driver Control() routine |
488 |
|
|
*/ |
489 |
|
|
|
490 |
|
|
int16 CDROMControl(uint32 pb, uint32 dce) |
491 |
|
|
{ |
492 |
|
|
uint16 code = ReadMacInt16(pb + csCode); |
493 |
|
|
D(bug("CDROMControl %d\n", code)); |
494 |
|
|
|
495 |
|
|
// General codes |
496 |
|
|
switch (code) { |
497 |
|
|
case 1: // KillIO |
498 |
|
|
return noErr; |
499 |
|
|
|
500 |
cebix |
1.2 |
case 65: { // Periodic action (accRun, "insert" disks on startup) |
501 |
|
|
mount_mountable_volumes(); |
502 |
|
|
WriteMacInt16(dce + dCtlFlags, ReadMacInt16(dce + dCtlFlags) & ~0x2000); // Disable periodic action |
503 |
|
|
acc_run_called = true; |
504 |
cebix |
1.1 |
return noErr; |
505 |
|
|
} |
506 |
|
|
|
507 |
|
|
case 81: // Set poll freq |
508 |
|
|
WriteMacInt16(dce + dCtlDelay, ReadMacInt16(pb + csParam)); |
509 |
|
|
return noErr; |
510 |
|
|
} |
511 |
|
|
|
512 |
|
|
// Drive valid? |
513 |
|
|
DriveInfo *info; |
514 |
|
|
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
515 |
|
|
if (first_drive_info == NULL) |
516 |
|
|
return nsDrvErr; |
517 |
|
|
else |
518 |
|
|
info = first_drive_info; // This is needed for Apple's Audio CD program |
519 |
|
|
|
520 |
|
|
// Drive-specific codes |
521 |
|
|
switch (code) { |
522 |
|
|
case 5: // VerifyTheDisc |
523 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) > 0) |
524 |
|
|
return noErr; |
525 |
|
|
else |
526 |
|
|
return offLinErr; |
527 |
|
|
|
528 |
|
|
case 6: // FormatTheDisc |
529 |
|
|
return writErr; |
530 |
|
|
|
531 |
|
|
case 7: // EjectTheDisc |
532 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) > 0) { |
533 |
|
|
SysAllowRemoval(info->fh); |
534 |
|
|
SysEject(info->fh); |
535 |
|
|
WriteMacInt8(info->status + dsDiskInPlace, 0); |
536 |
|
|
info->twok_offset = -1; |
537 |
|
|
} |
538 |
|
|
return noErr; |
539 |
|
|
|
540 |
|
|
case 21: // GetDriveIcon |
541 |
|
|
case 22: // GetMediaIcon |
542 |
|
|
WriteMacInt32(pb + csParam, CDROMIconAddr); |
543 |
|
|
return noErr; |
544 |
|
|
|
545 |
|
|
case 23: // DriveInfo |
546 |
|
|
WriteMacInt32(pb + csParam, 0x00000b01); // Unspecified external removable SCSI disk |
547 |
|
|
return noErr; |
548 |
|
|
|
549 |
|
|
case 70: { // SetPowerMode |
550 |
|
|
uint8 mode = ReadMacInt8(pb + csParam); |
551 |
|
|
if (mode > 3) |
552 |
|
|
return paramErr; |
553 |
|
|
else { |
554 |
|
|
info->power_mode = mode; |
555 |
|
|
return noErr; |
556 |
|
|
} |
557 |
|
|
} |
558 |
|
|
|
559 |
|
|
case 76: // ModifyPostEvent |
560 |
|
|
info->mount_non_hfs = ReadMacInt16(pb + csParam); |
561 |
|
|
return noErr; |
562 |
|
|
|
563 |
|
|
case 79: { // Change block size |
564 |
|
|
uint16 size = ReadMacInt16(pb + csParam); |
565 |
|
|
D(bug(" change block size to %d bytes\n", size)); |
566 |
|
|
if (size != 512 && size != 2048) |
567 |
|
|
return paramErr; |
568 |
|
|
else { |
569 |
|
|
info->block_size = size; |
570 |
|
|
return noErr; |
571 |
|
|
} |
572 |
|
|
} |
573 |
|
|
|
574 |
|
|
case 80: // SetUserEject |
575 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) > 0) { |
576 |
|
|
if (ReadMacInt16(pb + csParam) == 1) |
577 |
|
|
SysAllowRemoval(info->fh); |
578 |
|
|
else |
579 |
|
|
SysPreventRemoval(info->fh); |
580 |
|
|
return noErr; |
581 |
|
|
} else |
582 |
|
|
return offLinErr; |
583 |
|
|
|
584 |
|
|
case 100: { // ReadTOC |
585 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
586 |
|
|
return offLinErr; |
587 |
|
|
|
588 |
|
|
int action = ReadMacInt16(pb + csParam); |
589 |
|
|
D(bug(" read TOC %d\n", action)); |
590 |
|
|
switch (action) { |
591 |
|
|
case 1: // Get first/last track number |
592 |
|
|
WriteMacInt8(pb + csParam, bin2bcd[info->toc[2]]); |
593 |
|
|
WriteMacInt8(pb + csParam + 1, bin2bcd[info->toc[3]]); |
594 |
|
|
WriteMacInt16(pb + csParam + 2, 0); |
595 |
|
|
break; |
596 |
|
|
|
597 |
|
|
case 2: // Get lead out MSF starting address |
598 |
|
|
WriteMacInt8(pb + csParam, bin2bcd[info->lead_out[0]]); |
599 |
|
|
WriteMacInt8(pb + csParam + 1, bin2bcd[info->lead_out[1]]); |
600 |
|
|
WriteMacInt8(pb + csParam + 2, bin2bcd[info->lead_out[2]]); |
601 |
|
|
WriteMacInt8(pb + csParam + 3, 0); |
602 |
|
|
break; |
603 |
|
|
|
604 |
|
|
case 3: { // Get track starting address |
605 |
cebix |
1.4 |
uint32 buf = ReadMacInt32(pb + csParam + 2); |
606 |
cebix |
1.1 |
uint16 buf_size = ReadMacInt16(pb + csParam + 6); |
607 |
|
|
int track = bcd2bin[ReadMacInt8(pb + csParam + 8)]; |
608 |
|
|
|
609 |
|
|
// Search start track in TOC |
610 |
|
|
int i; |
611 |
|
|
for (i=4; i<804; i+=8) { |
612 |
|
|
if (info->toc[i+2] == track) |
613 |
|
|
break; |
614 |
|
|
} |
615 |
|
|
|
616 |
|
|
// Fill buffer |
617 |
|
|
if (i != 804) |
618 |
|
|
while (buf_size > 0) { |
619 |
cebix |
1.4 |
WriteMacInt8(buf, info->toc[i+1] & 0x0f); buf++; // Control |
620 |
|
|
WriteMacInt8(buf, bin2bcd[info->toc[i+5]]); buf++; // M |
621 |
|
|
WriteMacInt8(buf, bin2bcd[info->toc[i+6]]); buf++; // S |
622 |
|
|
WriteMacInt8(buf, bin2bcd[info->toc[i+7]]); buf++; // F |
623 |
cebix |
1.1 |
|
624 |
|
|
// Lead-Out? Then stop |
625 |
|
|
if (info->toc[i+2] == 0xaa) |
626 |
|
|
break; |
627 |
|
|
|
628 |
|
|
buf_size -= 4; |
629 |
|
|
i += 8; |
630 |
|
|
} |
631 |
|
|
break; |
632 |
|
|
} |
633 |
|
|
|
634 |
|
|
case 5: // Get session information |
635 |
|
|
WriteMacInt16(pb + csParam, 1); // First session number |
636 |
|
|
WriteMacInt16(pb + csParam + 2, 1); // Last session number |
637 |
|
|
WriteMacInt16(pb + csParam + 4, bin2bcd[info->toc[2]]); // First track number of last session |
638 |
|
|
WriteMacInt8(pb + csParam + 6, info->toc[5] & 0x0f); // Control |
639 |
|
|
WriteMacInt8(pb + csParam + 7, bin2bcd[info->toc[9]]); // M |
640 |
|
|
WriteMacInt8(pb + csParam + 8, bin2bcd[info->toc[10]]); // S |
641 |
|
|
WriteMacInt8(pb + csParam + 9, bin2bcd[info->toc[11]]); // F |
642 |
|
|
break; |
643 |
|
|
|
644 |
|
|
default: |
645 |
|
|
printf("FATAL: .AppleCD/Control(100): unimplemented TOC type\n"); |
646 |
|
|
return paramErr; |
647 |
|
|
} |
648 |
|
|
return noErr; |
649 |
|
|
} |
650 |
|
|
|
651 |
|
|
case 101: { // ReadTheQSubcode |
652 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) { |
653 |
cebix |
1.4 |
Mac_memset(pb + csParam, 0, 10); |
654 |
cebix |
1.1 |
return offLinErr; |
655 |
|
|
} |
656 |
|
|
|
657 |
|
|
uint8 pos[16]; |
658 |
|
|
if (SysCDGetPosition(info->fh, pos)) { |
659 |
cebix |
1.4 |
uint32 p = pb + csParam; |
660 |
|
|
WriteMacInt8(p, pos[5] & 0x0f); p++; // Control |
661 |
|
|
WriteMacInt8(p, bin2bcd[pos[6]]); p++; // Track number |
662 |
|
|
WriteMacInt8(p, bin2bcd[pos[7]]); p++; // Index number |
663 |
|
|
WriteMacInt8(p, bin2bcd[pos[13]]); p++; // M (rel) |
664 |
|
|
WriteMacInt8(p, bin2bcd[pos[14]]); p++; // S (rel) |
665 |
|
|
WriteMacInt8(p, bin2bcd[pos[15]]); p++; // F (rel) |
666 |
|
|
WriteMacInt8(p, bin2bcd[pos[9]]); p++; // M (abs) |
667 |
|
|
WriteMacInt8(p, bin2bcd[pos[10]]); p++; // S (abs) |
668 |
|
|
WriteMacInt8(p, bin2bcd[pos[11]]); p++; // F (abs) |
669 |
|
|
WriteMacInt8(p, 0); |
670 |
cebix |
1.1 |
return noErr; |
671 |
|
|
} else |
672 |
|
|
return ioErr; |
673 |
|
|
} |
674 |
|
|
|
675 |
|
|
case 102: // ReadHeader |
676 |
|
|
printf("FATAL: .AppleCD/Control(102): unimplemented call\n"); |
677 |
|
|
return controlErr; |
678 |
|
|
|
679 |
|
|
case 103: { // AudioTrackSearch |
680 |
|
|
D(bug(" AudioTrackSearch postype %d, pos %08lx, hold %d\n", ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), ReadMacInt16(pb + csParam + 6))); |
681 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
682 |
|
|
return offLinErr; |
683 |
|
|
|
684 |
|
|
uint8 start_m, start_s, start_f; |
685 |
|
|
if (!position2msf(info, ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), false, start_m, start_s, start_f)) |
686 |
|
|
return paramErr; |
687 |
|
|
info->play_mode = ReadMacInt8(pb + csParam + 9) & 0x0f; |
688 |
|
|
if (!SysCDPlay(info->fh, start_m, start_s, start_f, info->stop_at[0], info->stop_at[1], info->stop_at[2])) |
689 |
|
|
return paramErr; |
690 |
|
|
if (ReadMacInt16(pb + csParam + 6) == 0) // Hold |
691 |
|
|
SysCDPause(info->fh); |
692 |
|
|
return noErr; |
693 |
|
|
} |
694 |
|
|
|
695 |
|
|
case 104: // AudioPlay |
696 |
|
|
D(bug(" AudioPlay postype %d, pos %08lx, hold %d\n", ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), ReadMacInt16(pb + csParam + 6))); |
697 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
698 |
|
|
return offLinErr; |
699 |
|
|
|
700 |
|
|
if (ReadMacInt16(pb + csParam + 6)) { |
701 |
|
|
// Given stopping address |
702 |
|
|
if (!position2msf(info, ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), true, info->stop_at[0], info->stop_at[1], info->stop_at[2])) |
703 |
|
|
return paramErr; |
704 |
|
|
} else { |
705 |
|
|
// Given starting address |
706 |
|
|
uint8 start_m, start_s, start_f; |
707 |
|
|
if (!position2msf(info, ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), false, start_m, start_s, start_f)) |
708 |
|
|
return paramErr; |
709 |
|
|
info->play_mode = ReadMacInt8(pb + csParam + 9) & 0x0f; |
710 |
|
|
if (!SysCDPlay(info->fh, start_m, start_s, start_f, info->stop_at[0], info->stop_at[1], info->stop_at[2])) |
711 |
|
|
return paramErr; |
712 |
|
|
} |
713 |
|
|
return noErr; |
714 |
|
|
|
715 |
|
|
case 105: // AudioPause |
716 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
717 |
|
|
return offLinErr; |
718 |
|
|
|
719 |
|
|
switch (ReadMacInt32(pb + csParam)) { |
720 |
|
|
case 0: |
721 |
|
|
if (!SysCDResume(info->fh)) |
722 |
|
|
return paramErr; |
723 |
|
|
break; |
724 |
|
|
case 1: |
725 |
|
|
if (!SysCDPause(info->fh)) |
726 |
|
|
return paramErr; |
727 |
|
|
break; |
728 |
|
|
default: |
729 |
|
|
return paramErr; |
730 |
|
|
} |
731 |
|
|
return noErr; |
732 |
|
|
|
733 |
|
|
case 106: // AudioStop |
734 |
|
|
D(bug(" AudioStop postype %d, pos %08lx\n", ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2))); |
735 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
736 |
|
|
return offLinErr; |
737 |
|
|
|
738 |
|
|
if (ReadMacInt16(pb + csParam) == 0 && ReadMacInt32(pb + csParam + 2) == 0) { |
739 |
|
|
// Stop immediately |
740 |
|
|
if (!SysCDStop(info->fh, info->lead_out[0], info->lead_out[1], info->lead_out[2])) |
741 |
|
|
return paramErr; |
742 |
|
|
} else { |
743 |
|
|
// Given stopping address |
744 |
|
|
if (!position2msf(info, ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), true, info->stop_at[0], info->stop_at[1], info->stop_at[2])) |
745 |
|
|
return paramErr; |
746 |
|
|
} |
747 |
|
|
return noErr; |
748 |
|
|
|
749 |
|
|
case 107: { // AudioStatus |
750 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
751 |
|
|
return offLinErr; |
752 |
|
|
|
753 |
|
|
uint8 pos[16]; |
754 |
|
|
if (!SysCDGetPosition(info->fh, pos)) |
755 |
|
|
return paramErr; |
756 |
|
|
|
757 |
cebix |
1.4 |
uint32 p = pb + csParam; |
758 |
cebix |
1.1 |
switch (pos[1]) { |
759 |
|
|
case 0x11: |
760 |
cebix |
1.4 |
WriteMacInt8(p, 0); // Audio play in progress |
761 |
cebix |
1.1 |
break; |
762 |
|
|
case 0x12: |
763 |
cebix |
1.4 |
WriteMacInt8(p, 1); // Audio play paused |
764 |
cebix |
1.1 |
break; |
765 |
|
|
case 0x13: |
766 |
cebix |
1.4 |
WriteMacInt8(p, 3); // Audio play completed |
767 |
cebix |
1.1 |
break; |
768 |
|
|
case 0x14: |
769 |
cebix |
1.4 |
WriteMacInt8(p, 4); // Error occurred |
770 |
cebix |
1.1 |
break; |
771 |
|
|
default: |
772 |
cebix |
1.4 |
WriteMacInt8(p, 5); // No audio play operation requested |
773 |
cebix |
1.1 |
break; |
774 |
|
|
} |
775 |
cebix |
1.4 |
p++; |
776 |
|
|
WriteMacInt8(p, info->play_mode); p++; |
777 |
|
|
WriteMacInt8(p, pos[5] & 0x0f); p++; // Control |
778 |
|
|
WriteMacInt8(p, bin2bcd[pos[9]]); p++; // M (abs) |
779 |
|
|
WriteMacInt8(p, bin2bcd[pos[10]]); p++; // S (abs) |
780 |
|
|
WriteMacInt8(p, bin2bcd[pos[11]]); p++; // F (abs) |
781 |
cebix |
1.1 |
return noErr; |
782 |
|
|
} |
783 |
|
|
|
784 |
|
|
case 108: { // AudioScan |
785 |
|
|
if (ReadMacInt8(info->status + dsDiskInPlace) == 0) |
786 |
|
|
return offLinErr; |
787 |
|
|
|
788 |
|
|
uint8 start_m, start_s, start_f; |
789 |
|
|
if (!position2msf(info, ReadMacInt16(pb + csParam), ReadMacInt32(pb + csParam + 2), false, start_m, start_s, start_f)) |
790 |
|
|
return paramErr; |
791 |
|
|
|
792 |
|
|
if (!SysCDScan(info->fh, start_m, start_s, start_f, ReadMacInt16(pb + csParam + 6))) |
793 |
|
|
return paramErr; |
794 |
|
|
else |
795 |
|
|
return noErr; |
796 |
|
|
} |
797 |
|
|
|
798 |
|
|
case 109: // AudioControl |
799 |
|
|
SysCDSetVolume(info->fh, ReadMacInt8(pb + csParam), ReadMacInt8(pb + csParam + 1)); |
800 |
|
|
return noErr; |
801 |
|
|
|
802 |
|
|
case 110: // ReadMCN |
803 |
|
|
printf("FATAL: .AppleCD/Control(110): unimplemented call\n"); |
804 |
|
|
return controlErr; |
805 |
|
|
|
806 |
|
|
case 111: // ReadISRC |
807 |
|
|
printf("FATAL: .AppleCD/Control(111): unimplemented call\n"); |
808 |
|
|
return controlErr; |
809 |
|
|
|
810 |
|
|
case 112: { // ReadAudioVolume |
811 |
|
|
uint8 left, right; |
812 |
|
|
SysCDGetVolume(info->fh, left, right); |
813 |
|
|
WriteMacInt8(pb + csParam, left); |
814 |
|
|
WriteMacInt8(pb + csParam + 1, right); |
815 |
|
|
return noErr; |
816 |
|
|
} |
817 |
|
|
|
818 |
|
|
case 113: // GetSpindleSpeed |
819 |
|
|
WriteMacInt16(pb + csParam, 0xff); |
820 |
|
|
return noErr; |
821 |
|
|
|
822 |
|
|
case 114: // SetSpindleSpeed |
823 |
|
|
return noErr; |
824 |
|
|
|
825 |
|
|
case 115: // ReadAudio |
826 |
|
|
printf("FATAL: .AppleCD/Control(115): unimplemented call\n"); |
827 |
|
|
return controlErr; |
828 |
|
|
|
829 |
|
|
case 116: // ReadAllSubcodes |
830 |
|
|
printf("FATAL: .AppleCD/Control(116): unimplemented call\n"); |
831 |
|
|
return controlErr; |
832 |
|
|
|
833 |
|
|
case 122: // SetTrackList |
834 |
|
|
printf("FATAL: .AppleCD/Control(122): unimplemented call\n"); |
835 |
|
|
return controlErr; |
836 |
|
|
|
837 |
|
|
case 123: // GetTrackList |
838 |
|
|
printf("FATAL: .AppleCD/Control(123): unimplemented call\n"); |
839 |
|
|
return controlErr; |
840 |
|
|
|
841 |
|
|
case 124: // GetTrackIndex |
842 |
|
|
printf("FATAL: .AppleCD/Control(124): unimplemented call\n"); |
843 |
|
|
return controlErr; |
844 |
|
|
|
845 |
|
|
case 125: // SetPlayMode |
846 |
|
|
D(bug(" SetPlayMode %04x\n", ReadMacInt16(pb + csParam))); |
847 |
|
|
printf("FATAL: .AppleCD/Control(125): unimplemented call\n"); |
848 |
|
|
return controlErr; |
849 |
|
|
|
850 |
|
|
case 126: // GetPlayMode (Apple's Audio CD program needs this) |
851 |
|
|
WriteMacInt16(pb + csParam, 0); |
852 |
|
|
return noErr; |
853 |
|
|
|
854 |
|
|
default: |
855 |
|
|
printf("WARNING: Unknown CDROMControl(%d)\n", code); |
856 |
|
|
return controlErr; |
857 |
|
|
} |
858 |
|
|
} |
859 |
|
|
|
860 |
|
|
|
861 |
|
|
/* |
862 |
|
|
* Driver Status() routine |
863 |
|
|
*/ |
864 |
|
|
|
865 |
|
|
int16 CDROMStatus(uint32 pb, uint32 dce) |
866 |
|
|
{ |
867 |
|
|
DriveInfo *info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
868 |
|
|
uint16 code = ReadMacInt16(pb + csCode); |
869 |
|
|
D(bug("CDROMStatus %d\n", code)); |
870 |
|
|
|
871 |
|
|
// General codes |
872 |
|
|
switch (code) { |
873 |
|
|
case 43: { // DriverGestalt |
874 |
|
|
uint32 sel = ReadMacInt32(pb + csParam); |
875 |
|
|
D(bug(" driver gestalt %c%c%c%c\n", sel >> 24, sel >> 16, sel >> 8, sel)); |
876 |
|
|
switch (sel) { |
877 |
|
|
case 'vers': // Version |
878 |
|
|
WriteMacInt32(pb + csParam + 4, 0x05208000); |
879 |
|
|
break; |
880 |
|
|
case 'devt': // Device type |
881 |
|
|
WriteMacInt32(pb + csParam + 4, 'cdrm'); |
882 |
|
|
break; |
883 |
|
|
case 'intf': // Interface type |
884 |
|
|
WriteMacInt32(pb + csParam + 4, 'basi'); |
885 |
|
|
break; |
886 |
|
|
case 'sync': // Only synchronous operation? |
887 |
|
|
WriteMacInt32(pb + csParam + 4, 0x01000000); |
888 |
|
|
break; |
889 |
|
|
case 'boot': // Boot ID |
890 |
|
|
if (info != NULL) |
891 |
|
|
WriteMacInt16(pb + csParam + 4, info->num); |
892 |
|
|
else |
893 |
|
|
WriteMacInt16(pb + csParam + 4, 0); |
894 |
|
|
WriteMacInt16(pb + csParam + 6, (uint16)CDROMRefNum); |
895 |
|
|
break; |
896 |
|
|
case 'wide': // 64-bit access supported? |
897 |
|
|
WriteMacInt16(pb + csParam + 4, 0); |
898 |
|
|
break; |
899 |
|
|
case 'purg': // Purge flags |
900 |
|
|
WriteMacInt32(pb + csParam + 4, 0); |
901 |
|
|
break; |
902 |
|
|
case 'ejec': // Eject flags |
903 |
|
|
WriteMacInt32(pb + csParam + 4, 0x00030003); // Don't eject on shutdown/restart |
904 |
|
|
break; |
905 |
|
|
case 'flus': // Flush flags |
906 |
|
|
WriteMacInt16(pb + csParam + 4, 0); |
907 |
|
|
break; |
908 |
|
|
case 'vmop': // Virtual memory attributes |
909 |
|
|
WriteMacInt32(pb + csParam + 4, 0); // Drive not available for VM |
910 |
|
|
break; |
911 |
|
|
default: |
912 |
|
|
return statusErr; |
913 |
|
|
} |
914 |
|
|
return noErr; |
915 |
|
|
} |
916 |
|
|
} |
917 |
|
|
|
918 |
|
|
// Drive valid? |
919 |
|
|
if (info == NULL) |
920 |
|
|
if (first_drive_info == NULL) |
921 |
|
|
return nsDrvErr; |
922 |
|
|
else |
923 |
|
|
info = first_drive_info; // This is needed for Apple's Audio CD program |
924 |
|
|
|
925 |
|
|
// Drive-specific codes |
926 |
|
|
switch (code) { |
927 |
|
|
case 8: // DriveStatus |
928 |
cebix |
1.4 |
Mac2Mac_memcpy(pb + csParam, info->status, 22); |
929 |
cebix |
1.1 |
return noErr; |
930 |
|
|
|
931 |
|
|
case 70: // GetPowerMode |
932 |
|
|
WriteMacInt16(pb + csParam, info->power_mode << 8); |
933 |
|
|
return noErr; |
934 |
|
|
|
935 |
|
|
case 95: // Get2KOffset |
936 |
|
|
if (info->twok_offset > 0) { |
937 |
|
|
WriteMacInt16(pb + csParam, info->twok_offset); |
938 |
|
|
return noErr; |
939 |
|
|
} else |
940 |
|
|
return statusErr; |
941 |
|
|
|
942 |
|
|
case 96: // Get drive type |
943 |
|
|
WriteMacInt16(pb + csParam, 3); // Apple CD 300 or newer |
944 |
|
|
return noErr; |
945 |
|
|
|
946 |
|
|
case 98: // Get block size |
947 |
|
|
WriteMacInt16(pb + csParam, info->block_size); |
948 |
|
|
return noErr; |
949 |
|
|
|
950 |
|
|
case 120: // Return device ident |
951 |
|
|
WriteMacInt32(pb + csParam, 0); |
952 |
|
|
return noErr; |
953 |
|
|
|
954 |
|
|
case 121: // Get CD features |
955 |
|
|
WriteMacInt16(pb + csParam, 0x0200); // 300 KB/s |
956 |
|
|
WriteMacInt16(pb + csParam, 0x0300); // SCSI-2, stereo |
957 |
|
|
return noErr; |
958 |
|
|
|
959 |
|
|
default: |
960 |
|
|
printf("WARNING: Unknown CDROMStatus(%d)\n", code); |
961 |
|
|
return statusErr; |
962 |
cebix |
1.2 |
} |
963 |
|
|
} |
964 |
|
|
|
965 |
|
|
|
966 |
|
|
/* |
967 |
|
|
* Driver interrupt routine - check for volumes to be mounted |
968 |
|
|
*/ |
969 |
|
|
|
970 |
|
|
void CDROMInterrupt(void) |
971 |
|
|
{ |
972 |
|
|
static int tick_count = 0; |
973 |
|
|
if (!acc_run_called) |
974 |
|
|
return; |
975 |
|
|
|
976 |
|
|
tick_count++; |
977 |
|
|
if (tick_count > driver_delay) { |
978 |
|
|
tick_count = 0; |
979 |
|
|
mount_mountable_volumes(); |
980 |
cebix |
1.1 |
} |
981 |
|
|
} |