1 |
cebix |
1.1 |
/* |
2 |
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* sys_unix.cpp - System dependent routines, Unix implementation |
3 |
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* |
4 |
gbeauche |
1.30 |
* Basilisk II (C) 1997-2008 Christian Bauer |
5 |
cebix |
1.1 |
* |
6 |
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* This program is free software; you can redistribute it and/or modify |
7 |
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* it under the terms of the GNU General Public License as published by |
8 |
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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 |
18 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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*/ |
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#include "sysdeps.h" |
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#include <sys/ioctl.h> |
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#include <sys/stat.h> |
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#include <errno.h> |
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27 |
gbeauche |
1.23 |
#ifdef HAVE_AVAILABILITYMACROS_H |
28 |
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#include <AvailabilityMacros.h> |
29 |
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#endif |
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31 |
cebix |
1.1 |
#ifdef __linux__ |
32 |
cebix |
1.6 |
#include <sys/mount.h> |
33 |
cebix |
1.1 |
#include <linux/cdrom.h> |
34 |
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#include <linux/fd.h> |
35 |
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#include <linux/major.h> |
36 |
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#include <linux/kdev_t.h> |
37 |
cebix |
1.16 |
#include <dirent.h> |
38 |
cebix |
1.1 |
#endif |
39 |
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40 |
cebix |
1.3 |
#if defined(__FreeBSD__) || defined(__NetBSD__) |
41 |
cebix |
1.1 |
#include <sys/cdio.h> |
42 |
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#endif |
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44 |
gbeauche |
1.29 |
#if defined __APPLE__ && defined __MACH__ |
45 |
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#include <sys/disk.h> |
46 |
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#if (defined AQUA || defined HAVE_FRAMEWORK_COREFOUNDATION) |
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#ifndef __MACOSX__ |
48 |
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#define __MACOSX__ MAC_OS_X_VERSION_MIN_REQUIRED |
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#endif |
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#endif |
51 |
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#endif |
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53 |
cebix |
1.1 |
#include "main.h" |
54 |
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#include "macos_util.h" |
55 |
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#include "prefs.h" |
56 |
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#include "user_strings.h" |
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#include "sys.h" |
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#define DEBUG 0 |
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#include "debug.h" |
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63 |
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// File handles are pointers to these structures |
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struct file_handle { |
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cebix |
1.28 |
char *name; // Copy of device/file name |
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cebix |
1.1 |
int fd; |
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bool is_file; // Flag: plain file or /dev/something? |
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bool is_floppy; // Flag: floppy device |
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bool is_cdrom; // Flag: CD-ROM device |
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bool read_only; // Copy of Sys_open() flag |
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loff_t start_byte; // Size of file header (if any) |
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loff_t file_size; // Size of file data (only valid if is_file is true) |
73 |
gbeauche |
1.29 |
bool is_media_present; // Flag: media is inserted and available |
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cebix |
1.1 |
|
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#if defined(__linux__) |
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int cdrom_cap; // CD-ROM capability flags (only valid if is_cdrom is true) |
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#elif defined(__FreeBSD__) |
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struct ioc_capability cdrom_cap; |
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nigel |
1.19 |
#elif defined(__APPLE__) && defined(__MACH__) |
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char *ioctl_name; // For CDs on OS X - a device for special ioctls |
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int ioctl_fd; |
82 |
cebix |
1.1 |
#endif |
83 |
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}; |
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85 |
gbeauche |
1.29 |
// Open file handles |
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struct open_file_handle { |
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file_handle *fh; |
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open_file_handle *next; |
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}; |
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static open_file_handle *open_file_handles = NULL; |
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92 |
cebix |
1.1 |
// File handle of first floppy drive (for SysMountFirstFloppy()) |
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static file_handle *first_floppy = NULL; |
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gbeauche |
1.29 |
// Prototypes |
96 |
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static void cdrom_close(file_handle *fh); |
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static bool cdrom_open(file_handle *fh, const char *path = NULL); |
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cebix |
1.1 |
|
100 |
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/* |
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* Initialization |
102 |
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*/ |
103 |
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104 |
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void SysInit(void) |
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{ |
106 |
gbeauche |
1.29 |
#if defined __MACOSX__ |
107 |
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extern void DarwinSysInit(void); |
108 |
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DarwinSysInit(); |
109 |
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#endif |
110 |
cebix |
1.1 |
} |
111 |
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112 |
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113 |
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/* |
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* Deinitialization |
115 |
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*/ |
116 |
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117 |
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void SysExit(void) |
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{ |
119 |
gbeauche |
1.29 |
#if defined __MACOSX__ |
120 |
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extern void DarwinSysExit(void); |
121 |
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DarwinSysExit(); |
122 |
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#endif |
123 |
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} |
124 |
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125 |
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126 |
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/* |
127 |
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* Manage open file handles |
128 |
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*/ |
129 |
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130 |
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static void sys_add_file_handle(file_handle *fh) |
131 |
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{ |
132 |
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open_file_handle *p = new open_file_handle; |
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p->fh = fh; |
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p->next = open_file_handles; |
135 |
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open_file_handles = p; |
136 |
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} |
137 |
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138 |
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static void sys_remove_file_handle(file_handle *fh) |
139 |
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{ |
140 |
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open_file_handle *p = open_file_handles; |
141 |
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open_file_handle *q = NULL; |
142 |
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143 |
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while (p) { |
144 |
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if (p->fh == fh) { |
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if (q) |
146 |
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q->next = p->next; |
147 |
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else |
148 |
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open_file_handles = p->next; |
149 |
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delete p; |
150 |
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break; |
151 |
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} |
152 |
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q = p; |
153 |
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p = p->next; |
154 |
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} |
155 |
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} |
156 |
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157 |
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158 |
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/* |
159 |
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* Account for media that has just arrived |
160 |
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*/ |
161 |
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162 |
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void SysMediaArrived(const char *path, int type) |
163 |
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{ |
164 |
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// Replace the "cdrom" entry (we are polling, it's unique) |
165 |
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if (type == MEDIA_CD && !PrefsFindBool("nocdrom")) |
166 |
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PrefsReplaceString("cdrom", path); |
167 |
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168 |
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// Wait for media to be available for reading |
169 |
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if (open_file_handles) { |
170 |
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const int MAX_WAIT = 5; |
171 |
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for (int i = 0; i < MAX_WAIT; i++) { |
172 |
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if (access(path, R_OK) == 0) |
173 |
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break; |
174 |
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switch (errno) { |
175 |
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case ENOENT: // Unlikely |
176 |
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case EACCES: // MacOS X is mounting the media |
177 |
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sleep(1); |
178 |
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continue; |
179 |
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} |
180 |
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printf("WARNING: Cannot access %s (%s)\n", path, strerror(errno)); |
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return; |
182 |
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} |
183 |
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} |
184 |
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185 |
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for (open_file_handle *p = open_file_handles; p != NULL; p = p->next) { |
186 |
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file_handle * const fh = p->fh; |
187 |
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188 |
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// Re-open CD-ROM device |
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if (fh->is_cdrom && type == MEDIA_CD) { |
190 |
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cdrom_close(fh); |
191 |
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if (cdrom_open(fh, path)) { |
192 |
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fh->is_media_present = true; |
193 |
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MountVolume(fh); |
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} |
195 |
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} |
196 |
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} |
197 |
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} |
198 |
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199 |
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200 |
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/* |
201 |
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* Account for media that has just been removed |
202 |
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*/ |
203 |
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204 |
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void SysMediaRemoved(const char *path, int type) |
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{ |
206 |
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if ((type & MEDIA_REMOVABLE) != MEDIA_CD) |
207 |
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return; |
208 |
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209 |
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for (open_file_handle *p = open_file_handles; p != NULL; p = p->next) { |
210 |
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file_handle * const fh = p->fh; |
211 |
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212 |
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// Mark media as not available |
213 |
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if (!fh->is_cdrom || !fh->is_media_present) |
214 |
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continue; |
215 |
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if (fh->name && strcmp(fh->name, path) == 0) { |
216 |
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fh->is_media_present = false; |
217 |
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break; |
218 |
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} |
219 |
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#if defined __MACOSX__ |
220 |
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if (fh->ioctl_name && strcmp(fh->ioctl_name, path) == 0) { |
221 |
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fh->is_media_present = false; |
222 |
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break; |
223 |
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} |
224 |
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#endif |
225 |
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} |
226 |
cebix |
1.1 |
} |
227 |
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228 |
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229 |
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/* |
230 |
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* Mount first floppy disk |
231 |
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*/ |
232 |
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233 |
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void SysMountFirstFloppy(void) |
234 |
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{ |
235 |
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if (first_floppy) |
236 |
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MountVolume(first_floppy); |
237 |
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} |
238 |
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239 |
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240 |
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/* |
241 |
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* This gets called when no "floppy" prefs items are found |
242 |
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* It scans for available floppy drives and adds appropriate prefs items |
243 |
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*/ |
244 |
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245 |
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void SysAddFloppyPrefs(void) |
246 |
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{ |
247 |
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#if defined(__linux__) |
248 |
cebix |
1.27 |
DIR *fd_dir = opendir("/dev/floppy"); |
249 |
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if (fd_dir) { |
250 |
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struct dirent *floppy_dev; |
251 |
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while ((floppy_dev = readdir(fd_dir)) != NULL) { |
252 |
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if (strstr(floppy_dev->d_name, "u1440") != NULL) { |
253 |
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char fd_dev[20]; |
254 |
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sprintf(fd_dev, "/dev/floppy/%s", floppy_dev->d_name); |
255 |
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PrefsAddString("floppy", fd_dev); |
256 |
cebix |
1.16 |
} |
257 |
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} |
258 |
cebix |
1.27 |
closedir(fd_dir); |
259 |
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} else { |
260 |
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PrefsAddString("floppy", "/dev/fd0"); |
261 |
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PrefsAddString("floppy", "/dev/fd1"); |
262 |
cebix |
1.16 |
} |
263 |
cebix |
1.3 |
#elif defined(__NetBSD__) |
264 |
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PrefsAddString("floppy", "/dev/fd0a"); |
265 |
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PrefsAddString("floppy", "/dev/fd1a"); |
266 |
nigel |
1.19 |
#elif defined(__APPLE__) && defined(__MACH__) |
267 |
gbeauche |
1.25 |
#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION) |
268 |
nigel |
1.22 |
extern void DarwinAddFloppyPrefs(void); |
269 |
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270 |
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DarwinAddFloppyPrefs(); |
271 |
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#else |
272 |
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// Until I can convince the other guys that my Darwin code is useful, |
273 |
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// we just add something safe (a non-existant device): |
274 |
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PrefsAddString("floppy", "/dev/null"); |
275 |
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#endif |
276 |
cebix |
1.1 |
#else |
277 |
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PrefsAddString("floppy", "/dev/fd0"); |
278 |
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PrefsAddString("floppy", "/dev/fd1"); |
279 |
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#endif |
280 |
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} |
281 |
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282 |
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283 |
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/* |
284 |
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* This gets called when no "disk" prefs items are found |
285 |
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* It scans for available HFS volumes and adds appropriate prefs items |
286 |
nigel |
1.19 |
* On OS X, we could do the same, but on an OS X machine I think it is |
287 |
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* very unlikely that any mounted volumes would contain a system which |
288 |
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* is old enough to boot a 68k Mac, so we just do nothing here for now. |
289 |
cebix |
1.1 |
*/ |
290 |
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291 |
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void SysAddDiskPrefs(void) |
292 |
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{ |
293 |
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#ifdef __linux__ |
294 |
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FILE *f = fopen("/etc/fstab", "r"); |
295 |
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if (f) { |
296 |
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char line[256]; |
297 |
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while(fgets(line, 255, f)) { |
298 |
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// Read line |
299 |
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int len = strlen(line); |
300 |
cebix |
1.10 |
if (len == 0 || line[0] == '#') |
301 |
cebix |
1.1 |
continue; |
302 |
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line[len-1] = 0; |
303 |
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304 |
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// Parse line |
305 |
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char *dev, *mnt_point, *fstype; |
306 |
cebix |
1.3 |
if (sscanf(line, "%as %as %as", &dev, &mnt_point, &fstype) == 3) { |
307 |
cebix |
1.1 |
if (strcmp(fstype, "hfs") == 0) |
308 |
|
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PrefsAddString("disk", dev); |
309 |
|
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} |
310 |
cebix |
1.3 |
free(dev); free(mnt_point); free(fstype); |
311 |
cebix |
1.1 |
} |
312 |
|
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fclose(f); |
313 |
|
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} |
314 |
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#endif |
315 |
|
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} |
316 |
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|
317 |
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|
318 |
|
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/* |
319 |
|
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* This gets called when no "cdrom" prefs items are found |
320 |
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* It scans for available CD-ROM drives and adds appropriate prefs items |
321 |
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*/ |
322 |
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|
323 |
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void SysAddCDROMPrefs(void) |
324 |
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{ |
325 |
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// Don't scan for drives if nocdrom option given |
326 |
|
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if (PrefsFindBool("nocdrom")) |
327 |
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return; |
328 |
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|
329 |
|
|
#if defined(__linux__) |
330 |
gbeauche |
1.17 |
if (access("/dev/.devfsd", F_OK) < 0) |
331 |
cebix |
1.16 |
PrefsAddString("cdrom", "/dev/cdrom"); |
332 |
|
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else { |
333 |
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DIR *cd_dir = opendir("/dev/cdroms"); |
334 |
|
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if (cd_dir) { |
335 |
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struct dirent *cdrom_dev; |
336 |
|
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while ((cdrom_dev = readdir(cd_dir)) != NULL) { |
337 |
|
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if (strcmp(cdrom_dev->d_name, ".") != 0 && strcmp(cdrom_dev->d_name, "..") != 0) { |
338 |
gbeauche |
1.17 |
char cd_dev[20]; |
339 |
|
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sprintf(cd_dev, "/dev/cdroms/%s", cdrom_dev->d_name); |
340 |
cebix |
1.16 |
PrefsAddString("cdrom", cd_dev); |
341 |
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} |
342 |
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} |
343 |
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closedir(cd_dir); |
344 |
|
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} |
345 |
|
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} |
346 |
gbeauche |
1.29 |
#elif defined __MACOSX__ |
347 |
|
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// There is no predefined path for CD-ROMs on MacOS X. Rather, we |
348 |
|
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// define a single fake CD-ROM entry for the emulated MacOS. |
349 |
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// XXX this means we handle only CD-ROM drive at a time, wherever |
350 |
|
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// the disk is, the latest one is used. |
351 |
|
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PrefsAddString("cdrom", "/dev/poll/cdrom"); |
352 |
cebix |
1.18 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
353 |
cebix |
1.1 |
PrefsAddString("cdrom", "/dev/cd0c"); |
354 |
|
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#endif |
355 |
|
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} |
356 |
|
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|
357 |
|
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|
358 |
|
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/* |
359 |
|
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* Add default serial prefs (must be added, even if no ports present) |
360 |
|
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*/ |
361 |
|
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|
362 |
|
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void SysAddSerialPrefs(void) |
363 |
|
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{ |
364 |
|
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#if defined(__linux__) |
365 |
gbeauche |
1.17 |
if (access("/dev/.devfsd", F_OK) < 0) { |
366 |
cebix |
1.16 |
PrefsAddString("seriala", "/dev/ttyS0"); |
367 |
|
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PrefsAddString("serialb", "/dev/ttyS1"); |
368 |
|
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} else { |
369 |
|
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PrefsAddString("seriala", "/dev/tts/0"); |
370 |
|
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PrefsAddString("serialb", "/dev/tts/1"); |
371 |
|
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} |
372 |
cebix |
1.1 |
#elif defined(__FreeBSD__) |
373 |
|
|
PrefsAddString("seriala", "/dev/cuaa0"); |
374 |
|
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PrefsAddString("serialb", "/dev/cuaa1"); |
375 |
cebix |
1.3 |
#elif defined(__NetBSD__) |
376 |
|
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PrefsAddString("seriala", "/dev/tty00"); |
377 |
|
|
PrefsAddString("serialb", "/dev/tty01"); |
378 |
nigel |
1.19 |
#elif defined(__APPLE__) && defined(__MACH__) |
379 |
gbeauche |
1.25 |
#if defined(AQUA) || defined(HAVE_FRAMEWORK_COREFOUNDATION) |
380 |
nigel |
1.22 |
extern void DarwinAddSerialPrefs(void); |
381 |
|
|
|
382 |
|
|
DarwinAddSerialPrefs(); |
383 |
|
|
#else |
384 |
|
|
// Until I can convince the other guys that my Darwin code is useful, |
385 |
|
|
// we just add something safe (non-existant devices): |
386 |
|
|
PrefsAddString("seriala", "/dev/null"); |
387 |
|
|
PrefsAddString("serialb", "/dev/null"); |
388 |
|
|
#endif |
389 |
cebix |
1.1 |
#endif |
390 |
|
|
} |
391 |
|
|
|
392 |
|
|
|
393 |
|
|
/* |
394 |
gbeauche |
1.29 |
* Open CD-ROM device and initialize internal data |
395 |
|
|
*/ |
396 |
|
|
|
397 |
|
|
static bool cdrom_open_1(file_handle *fh) |
398 |
|
|
{ |
399 |
|
|
#if defined __MACOSX__ |
400 |
|
|
// In OS X, the device name is OK for sending ioctls to, |
401 |
|
|
// but not for reading raw CDROM data from. |
402 |
|
|
// (it seems to have extra data padded in) |
403 |
|
|
// |
404 |
|
|
// So, we keep the already opened file handle, |
405 |
|
|
// and open a slightly different file for CDROM data |
406 |
|
|
// |
407 |
|
|
fh->ioctl_fd = fh->fd; |
408 |
|
|
fh->ioctl_name = fh->name; |
409 |
|
|
fh->fd = -1; |
410 |
|
|
fh->name = (char *)malloc(strlen(fh->ioctl_name) + 3); |
411 |
|
|
if (fh->name) { |
412 |
|
|
strcpy(fh->name, fh->ioctl_name); |
413 |
|
|
strcat(fh->name, "s1"); |
414 |
|
|
fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK); |
415 |
|
|
} |
416 |
|
|
if (fh->ioctl_fd < 0) |
417 |
|
|
return false; |
418 |
|
|
#endif |
419 |
|
|
return true; |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
bool cdrom_open(file_handle *fh, const char *path) |
423 |
|
|
{ |
424 |
|
|
if (path) |
425 |
|
|
fh->name = strdup(path); |
426 |
|
|
fh->fd = open(fh->name, O_RDONLY, O_NONBLOCK); |
427 |
|
|
fh->start_byte = 0; |
428 |
|
|
if (!cdrom_open_1(fh)) |
429 |
|
|
return false; |
430 |
|
|
return fh->fd >= 0; |
431 |
|
|
} |
432 |
|
|
|
433 |
|
|
|
434 |
|
|
/* |
435 |
|
|
* Close a CD-ROM device |
436 |
|
|
*/ |
437 |
|
|
|
438 |
|
|
void cdrom_close(file_handle *fh) |
439 |
|
|
{ |
440 |
|
|
if (fh->fd >= 0) { |
441 |
|
|
close(fh->fd); |
442 |
|
|
fh->fd = -1; |
443 |
|
|
} |
444 |
|
|
if (fh->name) { |
445 |
|
|
free(fh->name); |
446 |
|
|
fh->name = NULL; |
447 |
|
|
} |
448 |
|
|
#if defined __MACOSX__ |
449 |
|
|
if (fh->ioctl_fd >= 0) { |
450 |
|
|
close(fh->ioctl_fd); |
451 |
|
|
fh->ioctl_fd = -1; |
452 |
|
|
} |
453 |
|
|
if (fh->ioctl_name) { |
454 |
|
|
free(fh->ioctl_name); |
455 |
|
|
fh->ioctl_name = NULL; |
456 |
|
|
} |
457 |
|
|
#endif |
458 |
|
|
} |
459 |
|
|
|
460 |
|
|
|
461 |
|
|
/* |
462 |
cebix |
1.1 |
* Check if device is a mounted HFS volume, get mount name |
463 |
|
|
*/ |
464 |
|
|
|
465 |
|
|
static bool is_drive_mounted(const char *dev_name, char *mount_name) |
466 |
|
|
{ |
467 |
|
|
#ifdef __linux__ |
468 |
|
|
FILE *f = fopen("/proc/mounts", "r"); |
469 |
|
|
if (f) { |
470 |
|
|
char line[256]; |
471 |
|
|
while(fgets(line, 255, f)) { |
472 |
|
|
// Read line |
473 |
|
|
int len = strlen(line); |
474 |
|
|
if (len == 0) |
475 |
|
|
continue; |
476 |
|
|
line[len-1] = 0; |
477 |
|
|
|
478 |
|
|
// Parse line |
479 |
|
|
if (strncmp(line, dev_name, strlen(dev_name)) == 0) { |
480 |
|
|
mount_name[0] = 0; |
481 |
cebix |
1.3 |
char *dummy; |
482 |
|
|
sscanf(line, "%as %s", &dummy, mount_name); |
483 |
|
|
free(dummy); |
484 |
cebix |
1.1 |
fclose(f); |
485 |
|
|
return true; |
486 |
|
|
} |
487 |
|
|
} |
488 |
|
|
fclose(f); |
489 |
|
|
} |
490 |
|
|
#endif |
491 |
|
|
return false; |
492 |
|
|
} |
493 |
|
|
|
494 |
|
|
|
495 |
|
|
/* |
496 |
|
|
* Open file/device, create new file handle (returns NULL on error) |
497 |
|
|
*/ |
498 |
|
|
|
499 |
|
|
void *Sys_open(const char *name, bool read_only) |
500 |
|
|
{ |
501 |
|
|
bool is_file = strncmp(name, "/dev/", 5) != 0; |
502 |
cebix |
1.3 |
#if defined(__FreeBSD__) |
503 |
cebix |
1.1 |
// SCSI IDE |
504 |
|
|
bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0 || strncmp(name, "/dev/acd", 8) == 0; |
505 |
|
|
#else |
506 |
|
|
bool is_cdrom = strncmp(name, "/dev/cd", 7) == 0; |
507 |
|
|
#endif |
508 |
cebix |
1.28 |
bool is_floppy = strncmp(name, "/dev/fd", 7) == 0; |
509 |
cebix |
1.1 |
|
510 |
gbeauche |
1.29 |
bool is_polled_media = strncmp(name, "/dev/poll/", 10) == 0; |
511 |
|
|
if (is_floppy) // Floppy open fails if there's no disk inserted |
512 |
|
|
is_polled_media = true; |
513 |
|
|
|
514 |
|
|
#if defined __MACOSX__ |
515 |
nigel |
1.19 |
// There is no set filename in /dev which is the cdrom, |
516 |
|
|
// so we have to see if it is any of the devices that we found earlier |
517 |
|
|
{ |
518 |
gbeauche |
1.29 |
int index = 0; |
519 |
|
|
const char *str; |
520 |
|
|
while ((str = PrefsFindString("cdrom", index++)) != NULL) { |
521 |
|
|
if (is_polled_media || strcmp(str, name) == 0) { |
522 |
|
|
is_cdrom = true; |
523 |
|
|
read_only = true; |
524 |
|
|
break; |
525 |
|
|
} |
526 |
nigel |
1.19 |
} |
527 |
|
|
} |
528 |
|
|
#endif |
529 |
|
|
|
530 |
cebix |
1.1 |
D(bug("Sys_open(%s, %s)\n", name, read_only ? "read-only" : "read/write")); |
531 |
|
|
|
532 |
|
|
// Check if write access is allowed, set read-only flag if not |
533 |
|
|
if (!read_only && access(name, W_OK)) |
534 |
|
|
read_only = true; |
535 |
|
|
|
536 |
|
|
// Print warning message and eventually unmount drive when this is an HFS volume mounted under Linux (double mounting will corrupt the volume) |
537 |
|
|
char mount_name[256]; |
538 |
|
|
if (!is_file && !read_only && is_drive_mounted(name, mount_name)) { |
539 |
|
|
char str[512]; |
540 |
|
|
sprintf(str, GetString(STR_VOLUME_IS_MOUNTED_WARN), mount_name); |
541 |
|
|
WarningAlert(str); |
542 |
|
|
sprintf(str, "umount %s", mount_name); |
543 |
|
|
if (system(str)) { |
544 |
|
|
sprintf(str, GetString(STR_CANNOT_UNMOUNT_WARN), mount_name, strerror(errno)); |
545 |
|
|
WarningAlert(str); |
546 |
|
|
return NULL; |
547 |
|
|
} |
548 |
|
|
} |
549 |
|
|
|
550 |
|
|
// Open file/device |
551 |
gbeauche |
1.29 |
#if defined(__linux__) || defined(__FreeBSD__) || defined(__NetBSD__) || defined(__MACOSX__) |
552 |
cebix |
1.1 |
int fd = open(name, (read_only ? O_RDONLY : O_RDWR) | (is_cdrom ? O_NONBLOCK : 0)); |
553 |
|
|
#else |
554 |
|
|
int fd = open(name, read_only ? O_RDONLY : O_RDWR); |
555 |
|
|
#endif |
556 |
|
|
if (fd < 0 && !read_only) { |
557 |
|
|
// Read-write failed, try read-only |
558 |
|
|
read_only = true; |
559 |
|
|
fd = open(name, O_RDONLY); |
560 |
|
|
} |
561 |
gbeauche |
1.29 |
if (fd >= 0 || is_polled_media) { |
562 |
cebix |
1.1 |
file_handle *fh = new file_handle; |
563 |
|
|
fh->name = strdup(name); |
564 |
|
|
fh->fd = fd; |
565 |
|
|
fh->is_file = is_file; |
566 |
|
|
fh->read_only = read_only; |
567 |
|
|
fh->start_byte = 0; |
568 |
cebix |
1.28 |
fh->is_floppy = is_floppy; |
569 |
|
|
fh->is_cdrom = is_cdrom; |
570 |
gbeauche |
1.29 |
fh->is_media_present = false; |
571 |
|
|
#if defined __MACOSX__ |
572 |
|
|
fh->ioctl_fd = -1; |
573 |
|
|
fh->ioctl_name = NULL; |
574 |
|
|
#endif |
575 |
cebix |
1.1 |
if (fh->is_file) { |
576 |
gbeauche |
1.29 |
fh->is_media_present = true; |
577 |
cebix |
1.1 |
// Detect disk image file layout |
578 |
|
|
loff_t size = 0; |
579 |
|
|
size = lseek(fd, 0, SEEK_END); |
580 |
|
|
uint8 data[256]; |
581 |
|
|
lseek(fd, 0, SEEK_SET); |
582 |
|
|
read(fd, data, 256); |
583 |
|
|
FileDiskLayout(size, data, fh->start_byte, fh->file_size); |
584 |
|
|
} else { |
585 |
|
|
struct stat st; |
586 |
|
|
if (fstat(fd, &st) == 0) { |
587 |
gbeauche |
1.29 |
fh->is_media_present = true; |
588 |
cebix |
1.1 |
if (S_ISBLK(st.st_mode)) { |
589 |
|
|
fh->is_cdrom = is_cdrom; |
590 |
|
|
#if defined(__linux__) |
591 |
|
|
fh->is_floppy = (MAJOR(st.st_rdev) == FLOPPY_MAJOR); |
592 |
|
|
#ifdef CDROM_GET_CAPABILITY |
593 |
|
|
if (is_cdrom) { |
594 |
|
|
fh->cdrom_cap = ioctl(fh->fd, CDROM_GET_CAPABILITY); |
595 |
|
|
if (fh->cdrom_cap < 0) |
596 |
|
|
fh->cdrom_cap = 0; |
597 |
|
|
} |
598 |
|
|
#else |
599 |
|
|
fh->cdrom_cap = 0; |
600 |
|
|
#endif |
601 |
cebix |
1.4 |
#elif defined(__FreeBSD__) |
602 |
cebix |
1.1 |
fh->is_floppy = ((st.st_rdev >> 16) == 2); |
603 |
|
|
#ifdef CDIOCCAPABILITY |
604 |
|
|
if (is_cdrom) { |
605 |
|
|
if (ioctl(fh->fd, CDIOCCAPABILITY, &fh->cdrom_cap) < 0) |
606 |
|
|
memset(&fh->cdrom_cap, 0, sizeof(fh->cdrom_cap)); |
607 |
|
|
} |
608 |
|
|
#else |
609 |
|
|
fh->cdrom_cap = 0; |
610 |
|
|
#endif |
611 |
cebix |
1.4 |
#elif defined(__NetBSD__) |
612 |
|
|
fh->is_floppy = ((st.st_rdev >> 16) == 2); |
613 |
cebix |
1.1 |
#endif |
614 |
|
|
} |
615 |
gbeauche |
1.29 |
#if defined __MACOSX__ |
616 |
|
|
if (is_cdrom) { |
617 |
|
|
fh->is_cdrom = true; |
618 |
|
|
fh->is_floppy = false; |
619 |
|
|
if (cdrom_open_1(fh)) |
620 |
|
|
fh->is_media_present = true; |
621 |
nigel |
1.19 |
} |
622 |
|
|
#endif |
623 |
cebix |
1.1 |
} |
624 |
|
|
} |
625 |
|
|
if (fh->is_floppy && first_floppy == NULL) |
626 |
|
|
first_floppy = fh; |
627 |
gbeauche |
1.29 |
sys_add_file_handle(fh); |
628 |
cebix |
1.1 |
return fh; |
629 |
|
|
} else { |
630 |
|
|
printf("WARNING: Cannot open %s (%s)\n", name, strerror(errno)); |
631 |
|
|
return NULL; |
632 |
|
|
} |
633 |
|
|
} |
634 |
|
|
|
635 |
|
|
|
636 |
|
|
/* |
637 |
|
|
* Close file/device, delete file handle |
638 |
|
|
*/ |
639 |
|
|
|
640 |
|
|
void Sys_close(void *arg) |
641 |
|
|
{ |
642 |
|
|
file_handle *fh = (file_handle *)arg; |
643 |
|
|
if (!fh) |
644 |
|
|
return; |
645 |
|
|
|
646 |
gbeauche |
1.29 |
sys_remove_file_handle(fh); |
647 |
|
|
|
648 |
|
|
if (fh->is_cdrom) |
649 |
|
|
cdrom_close(fh); |
650 |
cebix |
1.28 |
if (fh->fd >= 0) |
651 |
|
|
close(fh->fd); |
652 |
cebix |
1.1 |
if (fh->name) |
653 |
|
|
free(fh->name); |
654 |
|
|
delete fh; |
655 |
|
|
} |
656 |
|
|
|
657 |
|
|
|
658 |
|
|
/* |
659 |
|
|
* Read "length" bytes from file/device, starting at "offset", to "buffer", |
660 |
|
|
* returns number of bytes read (or 0) |
661 |
|
|
*/ |
662 |
|
|
|
663 |
|
|
size_t Sys_read(void *arg, void *buffer, loff_t offset, size_t length) |
664 |
|
|
{ |
665 |
|
|
file_handle *fh = (file_handle *)arg; |
666 |
|
|
if (!fh) |
667 |
|
|
return 0; |
668 |
|
|
|
669 |
|
|
// Seek to position |
670 |
|
|
if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0) |
671 |
|
|
return 0; |
672 |
|
|
|
673 |
|
|
// Read data |
674 |
|
|
return read(fh->fd, buffer, length); |
675 |
|
|
} |
676 |
|
|
|
677 |
|
|
|
678 |
|
|
/* |
679 |
|
|
* Write "length" bytes from "buffer" to file/device, starting at "offset", |
680 |
|
|
* returns number of bytes written (or 0) |
681 |
|
|
*/ |
682 |
|
|
|
683 |
|
|
size_t Sys_write(void *arg, void *buffer, loff_t offset, size_t length) |
684 |
|
|
{ |
685 |
|
|
file_handle *fh = (file_handle *)arg; |
686 |
|
|
if (!fh) |
687 |
|
|
return 0; |
688 |
|
|
|
689 |
|
|
// Seek to position |
690 |
|
|
if (lseek(fh->fd, offset + fh->start_byte, SEEK_SET) < 0) |
691 |
|
|
return 0; |
692 |
|
|
|
693 |
|
|
// Write data |
694 |
|
|
return write(fh->fd, buffer, length); |
695 |
|
|
} |
696 |
|
|
|
697 |
|
|
|
698 |
|
|
/* |
699 |
|
|
* Return size of file/device (minus header) |
700 |
|
|
*/ |
701 |
|
|
|
702 |
|
|
loff_t SysGetFileSize(void *arg) |
703 |
|
|
{ |
704 |
|
|
file_handle *fh = (file_handle *)arg; |
705 |
|
|
if (!fh) |
706 |
|
|
return true; |
707 |
|
|
|
708 |
|
|
if (fh->is_file) |
709 |
|
|
return fh->file_size; |
710 |
|
|
else { |
711 |
cebix |
1.3 |
#if defined(__linux__) |
712 |
cebix |
1.5 |
long blocks; |
713 |
|
|
if (ioctl(fh->fd, BLKGETSIZE, &blocks) < 0) |
714 |
|
|
return 0; |
715 |
|
|
D(bug(" BLKGETSIZE returns %d blocks\n", blocks)); |
716 |
|
|
return (loff_t)blocks * 512; |
717 |
gbeauche |
1.29 |
#elif defined __MACOSX__ |
718 |
|
|
uint32 block_size; |
719 |
|
|
if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKSIZE, &block_size) < 0) |
720 |
|
|
return 0; |
721 |
|
|
D(bug(" DKIOCGETBLOCKSIZE returns %lu bytes\n", (unsigned long)block_size)); |
722 |
|
|
uint64 block_count; |
723 |
|
|
if (ioctl(fh->ioctl_fd, DKIOCGETBLOCKCOUNT, &block_count) < 0) |
724 |
|
|
return 0; |
725 |
|
|
D(bug(" DKIOCGETBLOCKCOUNT returns %llu blocks\n", (unsigned long long)block_count)); |
726 |
|
|
return block_count * block_size; |
727 |
cebix |
1.1 |
#else |
728 |
|
|
return lseek(fh->fd, 0, SEEK_END) - fh->start_byte; |
729 |
|
|
#endif |
730 |
|
|
} |
731 |
|
|
} |
732 |
|
|
|
733 |
|
|
|
734 |
|
|
/* |
735 |
|
|
* Eject volume (if applicable) |
736 |
|
|
*/ |
737 |
|
|
|
738 |
|
|
void SysEject(void *arg) |
739 |
|
|
{ |
740 |
|
|
file_handle *fh = (file_handle *)arg; |
741 |
|
|
if (!fh) |
742 |
|
|
return; |
743 |
|
|
|
744 |
|
|
#if defined(__linux__) |
745 |
|
|
if (fh->is_floppy) { |
746 |
cebix |
1.28 |
if (fh->fd >= 0) { |
747 |
|
|
fsync(fh->fd); |
748 |
|
|
ioctl(fh->fd, FDFLUSH); |
749 |
|
|
ioctl(fh->fd, FDEJECT); |
750 |
|
|
close(fh->fd); // Close and reopen so the driver will see the media change |
751 |
|
|
} |
752 |
cebix |
1.14 |
fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR); |
753 |
cebix |
1.1 |
} else if (fh->is_cdrom) { |
754 |
|
|
ioctl(fh->fd, CDROMEJECT); |
755 |
|
|
close(fh->fd); // Close and reopen so the driver will see the media change |
756 |
|
|
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
757 |
|
|
} |
758 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
759 |
cebix |
1.1 |
if (fh->is_floppy) { |
760 |
|
|
fsync(fh->fd); |
761 |
|
|
} else if (fh->is_cdrom) { |
762 |
|
|
ioctl(fh->fd, CDIOCEJECT); |
763 |
|
|
close(fh->fd); // Close and reopen so the driver will see the media change |
764 |
|
|
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
765 |
|
|
} |
766 |
nigel |
1.19 |
#elif defined(__APPLE__) && defined(__MACH__) |
767 |
gbeauche |
1.29 |
if (fh->is_cdrom && fh->is_media_present) { |
768 |
nigel |
1.19 |
close(fh->fd); |
769 |
gbeauche |
1.29 |
fh->fd = -1; |
770 |
|
|
if (ioctl(fh->ioctl_fd, DKIOCEJECT) < 0) { |
771 |
|
|
D(bug(" DKIOCEJECT failed on file %s: %s\n", |
772 |
|
|
fh->ioctl_name, strerror(errno))); |
773 |
nigel |
1.19 |
|
774 |
gbeauche |
1.29 |
// If we are running MacOS X, the device may be in busy |
775 |
|
|
// state because the Finder has mounted the disk |
776 |
|
|
close(fh->ioctl_fd); |
777 |
|
|
fh->ioctl_fd = -1; |
778 |
nigel |
1.19 |
|
779 |
gbeauche |
1.29 |
// Try to use "diskutil eject" but it can take up to 5 |
780 |
|
|
// seconds to complete |
781 |
|
|
static const char eject_cmd[] = "/usr/sbin/diskutil eject %s 2>&1 >/dev/null"; |
782 |
|
|
char *cmd = (char *)alloca(strlen(eject_cmd) + strlen(fh->ioctl_name) + 1); |
783 |
|
|
sprintf(cmd, eject_cmd, fh->ioctl_name); |
784 |
nigel |
1.19 |
system(cmd); |
785 |
|
|
} |
786 |
gbeauche |
1.29 |
fh->is_media_present = false; |
787 |
nigel |
1.19 |
} |
788 |
cebix |
1.1 |
#endif |
789 |
|
|
} |
790 |
|
|
|
791 |
|
|
|
792 |
|
|
/* |
793 |
|
|
* Format volume (if applicable) |
794 |
|
|
*/ |
795 |
|
|
|
796 |
|
|
bool SysFormat(void *arg) |
797 |
|
|
{ |
798 |
|
|
file_handle *fh = (file_handle *)arg; |
799 |
|
|
if (!fh) |
800 |
|
|
return false; |
801 |
|
|
|
802 |
|
|
//!! |
803 |
|
|
return true; |
804 |
|
|
} |
805 |
|
|
|
806 |
|
|
|
807 |
|
|
/* |
808 |
|
|
* Check if file/device is read-only (this includes the read-only flag on Sys_open()) |
809 |
|
|
*/ |
810 |
|
|
|
811 |
|
|
bool SysIsReadOnly(void *arg) |
812 |
|
|
{ |
813 |
|
|
file_handle *fh = (file_handle *)arg; |
814 |
|
|
if (!fh) |
815 |
|
|
return true; |
816 |
|
|
|
817 |
cebix |
1.3 |
#if defined(__linux__) |
818 |
cebix |
1.1 |
if (fh->is_floppy) { |
819 |
cebix |
1.28 |
if (fh->fd >= 0) { |
820 |
|
|
struct floppy_drive_struct stat; |
821 |
|
|
ioctl(fh->fd, FDGETDRVSTAT, &stat); |
822 |
|
|
return !(stat.flags & FD_DISK_WRITABLE); |
823 |
|
|
} else |
824 |
|
|
return true; |
825 |
cebix |
1.1 |
} else |
826 |
|
|
#endif |
827 |
|
|
return fh->read_only; |
828 |
|
|
} |
829 |
|
|
|
830 |
|
|
|
831 |
|
|
/* |
832 |
|
|
* Check if the given file handle refers to a fixed or a removable disk |
833 |
|
|
*/ |
834 |
|
|
|
835 |
|
|
bool SysIsFixedDisk(void *arg) |
836 |
|
|
{ |
837 |
|
|
file_handle *fh = (file_handle *)arg; |
838 |
|
|
if (!fh) |
839 |
|
|
return true; |
840 |
|
|
|
841 |
|
|
if (fh->is_file) |
842 |
|
|
return true; |
843 |
|
|
else if (fh->is_floppy || fh->is_cdrom) |
844 |
|
|
return false; |
845 |
|
|
else |
846 |
|
|
return true; |
847 |
|
|
} |
848 |
|
|
|
849 |
|
|
|
850 |
|
|
/* |
851 |
|
|
* Check if a disk is inserted in the drive (always true for files) |
852 |
|
|
*/ |
853 |
|
|
|
854 |
|
|
bool SysIsDiskInserted(void *arg) |
855 |
|
|
{ |
856 |
|
|
file_handle *fh = (file_handle *)arg; |
857 |
|
|
if (!fh) |
858 |
|
|
return false; |
859 |
|
|
|
860 |
|
|
if (fh->is_file) { |
861 |
|
|
return true; |
862 |
|
|
|
863 |
|
|
#if defined(__linux__) |
864 |
|
|
} else if (fh->is_floppy) { |
865 |
|
|
char block[512]; |
866 |
|
|
lseek(fh->fd, 0, SEEK_SET); |
867 |
cebix |
1.14 |
ssize_t actual = read(fh->fd, block, 512); |
868 |
|
|
if (actual < 0) { |
869 |
|
|
close(fh->fd); // Close and reopen so the driver will see the media change |
870 |
|
|
fh->fd = open(fh->name, fh->read_only ? O_RDONLY : O_RDWR); |
871 |
|
|
actual = read(fh->fd, block, 512); |
872 |
|
|
} |
873 |
|
|
return actual == 512; |
874 |
cebix |
1.1 |
} else if (fh->is_cdrom) { |
875 |
cebix |
1.8 |
#ifdef CDROM_MEDIA_CHANGED |
876 |
|
|
if (fh->cdrom_cap & CDC_MEDIA_CHANGED) { |
877 |
|
|
// If we don't do this, all attempts to read from a disc fail |
878 |
cebix |
1.14 |
// once the tray has been opened (altough the TOC reads fine). |
879 |
cebix |
1.8 |
// Can somebody explain this to me? |
880 |
|
|
if (ioctl(fh->fd, CDROM_MEDIA_CHANGED) == 1) { |
881 |
|
|
close(fh->fd); |
882 |
|
|
fh->fd = open(fh->name, O_RDONLY | O_NONBLOCK); |
883 |
|
|
} |
884 |
|
|
} |
885 |
|
|
#endif |
886 |
cebix |
1.1 |
#ifdef CDROM_DRIVE_STATUS |
887 |
|
|
if (fh->cdrom_cap & CDC_DRIVE_STATUS) { |
888 |
|
|
return ioctl(fh->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK; |
889 |
|
|
} |
890 |
|
|
#endif |
891 |
|
|
cdrom_tochdr header; |
892 |
|
|
return ioctl(fh->fd, CDROMREADTOCHDR, &header) == 0; |
893 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
894 |
cebix |
1.1 |
} else if (fh->is_floppy) { |
895 |
|
|
return false; //!! |
896 |
|
|
} else if (fh->is_cdrom) { |
897 |
|
|
struct ioc_toc_header header; |
898 |
|
|
return ioctl(fh->fd, CDIOREADTOCHEADER, &header) == 0; |
899 |
gbeauche |
1.29 |
#elif defined __MACOSX__ |
900 |
|
|
} else if (fh->is_cdrom || fh->is_floppy) { |
901 |
|
|
return fh->is_media_present; |
902 |
cebix |
1.1 |
#endif |
903 |
|
|
|
904 |
|
|
} else |
905 |
|
|
return true; |
906 |
|
|
} |
907 |
|
|
|
908 |
|
|
|
909 |
|
|
/* |
910 |
|
|
* Prevent medium removal (if applicable) |
911 |
|
|
*/ |
912 |
|
|
|
913 |
|
|
void SysPreventRemoval(void *arg) |
914 |
|
|
{ |
915 |
|
|
file_handle *fh = (file_handle *)arg; |
916 |
|
|
if (!fh) |
917 |
|
|
return; |
918 |
|
|
|
919 |
|
|
#if defined(__linux__) && defined(CDROM_LOCKDOOR) |
920 |
|
|
if (fh->is_cdrom) |
921 |
|
|
ioctl(fh->fd, CDROM_LOCKDOOR, 1); |
922 |
|
|
#endif |
923 |
|
|
} |
924 |
|
|
|
925 |
|
|
|
926 |
|
|
/* |
927 |
|
|
* Allow medium removal (if applicable) |
928 |
|
|
*/ |
929 |
|
|
|
930 |
|
|
void SysAllowRemoval(void *arg) |
931 |
|
|
{ |
932 |
|
|
file_handle *fh = (file_handle *)arg; |
933 |
|
|
if (!fh) |
934 |
|
|
return; |
935 |
|
|
|
936 |
cebix |
1.2 |
#if defined(__linux__) && defined(CDROM_LOCKDOOR) |
937 |
cebix |
1.1 |
if (fh->is_cdrom) |
938 |
|
|
ioctl(fh->fd, CDROM_LOCKDOOR, 0); |
939 |
|
|
#endif |
940 |
|
|
} |
941 |
|
|
|
942 |
|
|
|
943 |
|
|
/* |
944 |
|
|
* Read CD-ROM TOC (binary MSF format, 804 bytes max.) |
945 |
|
|
*/ |
946 |
|
|
|
947 |
|
|
bool SysCDReadTOC(void *arg, uint8 *toc) |
948 |
|
|
{ |
949 |
|
|
file_handle *fh = (file_handle *)arg; |
950 |
|
|
if (!fh) |
951 |
|
|
return false; |
952 |
|
|
|
953 |
|
|
if (fh->is_cdrom) { |
954 |
|
|
#if defined(__linux__) |
955 |
|
|
uint8 *p = toc + 2; |
956 |
|
|
|
957 |
|
|
// Header |
958 |
|
|
cdrom_tochdr header; |
959 |
|
|
if (ioctl(fh->fd, CDROMREADTOCHDR, &header) < 0) |
960 |
|
|
return false; |
961 |
|
|
*p++ = header.cdth_trk0; |
962 |
|
|
*p++ = header.cdth_trk1; |
963 |
|
|
|
964 |
|
|
// Tracks |
965 |
|
|
cdrom_tocentry entry; |
966 |
|
|
for (int i=header.cdth_trk0; i<=header.cdth_trk1; i++) { |
967 |
|
|
entry.cdte_track = i; |
968 |
|
|
entry.cdte_format = CDROM_MSF; |
969 |
|
|
if (ioctl(fh->fd, CDROMREADTOCENTRY, &entry) < 0) |
970 |
|
|
return false; |
971 |
|
|
*p++ = 0; |
972 |
|
|
*p++ = (entry.cdte_adr << 4) | entry.cdte_ctrl; |
973 |
|
|
*p++ = entry.cdte_track; |
974 |
|
|
*p++ = 0; |
975 |
|
|
*p++ = 0; |
976 |
|
|
*p++ = entry.cdte_addr.msf.minute; |
977 |
|
|
*p++ = entry.cdte_addr.msf.second; |
978 |
|
|
*p++ = entry.cdte_addr.msf.frame; |
979 |
|
|
} |
980 |
|
|
|
981 |
|
|
// Leadout track |
982 |
|
|
entry.cdte_track = CDROM_LEADOUT; |
983 |
|
|
entry.cdte_format = CDROM_MSF; |
984 |
|
|
if (ioctl(fh->fd, CDROMREADTOCENTRY, &entry) < 0) |
985 |
|
|
return false; |
986 |
|
|
*p++ = 0; |
987 |
|
|
*p++ = (entry.cdte_adr << 4) | entry.cdte_ctrl; |
988 |
|
|
*p++ = entry.cdte_track; |
989 |
|
|
*p++ = 0; |
990 |
|
|
*p++ = 0; |
991 |
|
|
*p++ = entry.cdte_addr.msf.minute; |
992 |
|
|
*p++ = entry.cdte_addr.msf.second; |
993 |
|
|
*p++ = entry.cdte_addr.msf.frame; |
994 |
|
|
|
995 |
|
|
// TOC size |
996 |
|
|
int toc_size = p - toc; |
997 |
|
|
*toc++ = toc_size >> 8; |
998 |
|
|
*toc++ = toc_size & 0xff; |
999 |
|
|
return true; |
1000 |
gbeauche |
1.29 |
#elif defined __MACOSX__ && defined MAC_OS_X_VERSION_10_2 |
1001 |
|
|
if (fh->is_media_present) { |
1002 |
|
|
extern bool DarwinCDReadTOC(char *name, uint8 *toc); |
1003 |
|
|
return DarwinCDReadTOC(fh->name, toc); |
1004 |
|
|
} |
1005 |
|
|
return false; |
1006 |
cebix |
1.4 |
#elif defined(__FreeBSD__) |
1007 |
cebix |
1.1 |
uint8 *p = toc + 2; |
1008 |
|
|
|
1009 |
|
|
// Header |
1010 |
|
|
struct ioc_toc_header header; |
1011 |
|
|
if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0) |
1012 |
|
|
return false; |
1013 |
|
|
*p++ = header.starting_track; |
1014 |
|
|
*p++ = header.ending_track; |
1015 |
|
|
|
1016 |
|
|
// Tracks |
1017 |
|
|
struct ioc_read_toc_single_entry entry; |
1018 |
|
|
for (int i=header.starting_track; i<=header.ending_track; i++) { |
1019 |
|
|
entry.track = i; |
1020 |
|
|
entry.address_format = CD_MSF_FORMAT; |
1021 |
|
|
if (ioctl(fh->fd, CDIOREADTOCENTRY, &entry) < 0) |
1022 |
|
|
return false; |
1023 |
|
|
*p++ = 0; |
1024 |
|
|
*p++ = (entry.entry.addr_type << 4) | entry.entry.control; |
1025 |
|
|
*p++ = entry.entry.track; |
1026 |
|
|
*p++ = 0; |
1027 |
|
|
*p++ = 0; |
1028 |
|
|
*p++ = entry.entry.addr.msf.minute; |
1029 |
|
|
*p++ = entry.entry.addr.msf.second; |
1030 |
|
|
*p++ = entry.entry.addr.msf.frame; |
1031 |
|
|
} |
1032 |
|
|
|
1033 |
|
|
// Leadout track |
1034 |
|
|
entry.track = CD_TRACK_INFO; |
1035 |
|
|
entry.address_format = CD_MSF_FORMAT; |
1036 |
|
|
if (ioctl(fh->fd, CDIOREADTOCENTRY, &entry) < 0) |
1037 |
|
|
return false; |
1038 |
|
|
*p++ = 0; |
1039 |
|
|
*p++ = (entry.entry.addr_type << 4) | entry.entry.control; |
1040 |
|
|
*p++ = entry.entry.track; |
1041 |
|
|
*p++ = 0; |
1042 |
|
|
*p++ = 0; |
1043 |
|
|
*p++ = entry.entry.addr.msf.minute; |
1044 |
|
|
*p++ = entry.entry.addr.msf.second; |
1045 |
|
|
*p++ = entry.entry.addr.msf.frame; |
1046 |
cebix |
1.4 |
|
1047 |
|
|
// TOC size |
1048 |
|
|
int toc_size = p - toc; |
1049 |
|
|
*toc++ = toc_size >> 8; |
1050 |
|
|
*toc++ = toc_size & 0xff; |
1051 |
|
|
return true; |
1052 |
|
|
#elif defined(__NetBSD__) |
1053 |
|
|
uint8 *p = toc + 2; |
1054 |
|
|
|
1055 |
|
|
// Header |
1056 |
|
|
struct ioc_toc_header header; |
1057 |
|
|
if (ioctl(fh->fd, CDIOREADTOCHEADER, &header) < 0) |
1058 |
|
|
return false; |
1059 |
|
|
*p++ = header.starting_track; |
1060 |
|
|
*p++ = header.ending_track; |
1061 |
|
|
|
1062 |
|
|
// Tracks (this is nice... :-) |
1063 |
|
|
struct ioc_read_toc_entry entries; |
1064 |
|
|
entries.address_format = CD_MSF_FORMAT; |
1065 |
|
|
entries.starting_track = 1; |
1066 |
|
|
entries.data_len = 800; |
1067 |
|
|
entries.data = (cd_toc_entry *)p; |
1068 |
|
|
if (ioctl(fh->fd, CDIOREADTOCENTRIES, &entries) < 0) |
1069 |
|
|
return false; |
1070 |
cebix |
1.1 |
|
1071 |
|
|
// TOC size |
1072 |
|
|
int toc_size = p - toc; |
1073 |
|
|
*toc++ = toc_size >> 8; |
1074 |
|
|
*toc++ = toc_size & 0xff; |
1075 |
|
|
return true; |
1076 |
cebix |
1.15 |
#else |
1077 |
|
|
return false; |
1078 |
cebix |
1.1 |
#endif |
1079 |
|
|
} else |
1080 |
|
|
return false; |
1081 |
|
|
} |
1082 |
|
|
|
1083 |
|
|
|
1084 |
|
|
/* |
1085 |
|
|
* Read CD-ROM position data (Sub-Q Channel, 16 bytes, see SCSI standard) |
1086 |
|
|
*/ |
1087 |
|
|
|
1088 |
|
|
bool SysCDGetPosition(void *arg, uint8 *pos) |
1089 |
|
|
{ |
1090 |
|
|
file_handle *fh = (file_handle *)arg; |
1091 |
|
|
if (!fh) |
1092 |
|
|
return false; |
1093 |
|
|
|
1094 |
|
|
if (fh->is_cdrom) { |
1095 |
|
|
#if defined(__linux__) |
1096 |
|
|
cdrom_subchnl chan; |
1097 |
|
|
chan.cdsc_format = CDROM_MSF; |
1098 |
|
|
if (ioctl(fh->fd, CDROMSUBCHNL, &chan) < 0) |
1099 |
|
|
return false; |
1100 |
|
|
*pos++ = 0; |
1101 |
|
|
*pos++ = chan.cdsc_audiostatus; |
1102 |
|
|
*pos++ = 0; |
1103 |
|
|
*pos++ = 12; // Sub-Q data length |
1104 |
|
|
*pos++ = 0; |
1105 |
|
|
*pos++ = (chan.cdsc_adr << 4) | chan.cdsc_ctrl; |
1106 |
|
|
*pos++ = chan.cdsc_trk; |
1107 |
|
|
*pos++ = chan.cdsc_ind; |
1108 |
|
|
*pos++ = 0; |
1109 |
|
|
*pos++ = chan.cdsc_absaddr.msf.minute; |
1110 |
|
|
*pos++ = chan.cdsc_absaddr.msf.second; |
1111 |
|
|
*pos++ = chan.cdsc_absaddr.msf.frame; |
1112 |
|
|
*pos++ = 0; |
1113 |
|
|
*pos++ = chan.cdsc_reladdr.msf.minute; |
1114 |
|
|
*pos++ = chan.cdsc_reladdr.msf.second; |
1115 |
|
|
*pos++ = chan.cdsc_reladdr.msf.frame; |
1116 |
|
|
return true; |
1117 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1118 |
cebix |
1.1 |
struct ioc_read_subchannel chan; |
1119 |
|
|
chan.data_format = CD_MSF_FORMAT; |
1120 |
|
|
chan.address_format = CD_MSF_FORMAT; |
1121 |
|
|
chan.track = CD_CURRENT_POSITION; |
1122 |
|
|
if (ioctl(fh->fd, CDIOCREADSUBCHANNEL, &chan) < 0) |
1123 |
|
|
return false; |
1124 |
|
|
*pos++ = 0; |
1125 |
|
|
*pos++ = chan.data->header.audio_status; |
1126 |
|
|
*pos++ = 0; |
1127 |
|
|
*pos++ = 12; // Sub-Q data length |
1128 |
|
|
*pos++ = 0; |
1129 |
|
|
*pos++ = (chan.data->what.position.addr_type << 4) | chan.data->what.position.control; |
1130 |
|
|
*pos++ = chan.data->what.position.track_number; |
1131 |
|
|
*pos++ = chan.data->what.position.index_number; |
1132 |
|
|
*pos++ = 0; |
1133 |
|
|
*pos++ = chan.data->what.position.absaddr.msf.minute; |
1134 |
|
|
*pos++ = chan.data->what.position.absaddr.msf.second; |
1135 |
|
|
*pos++ = chan.data->what.position.absaddr.msf.frame; |
1136 |
|
|
*pos++ = 0; |
1137 |
|
|
*pos++ = chan.data->what.position.reladdr.msf.minute; |
1138 |
|
|
*pos++ = chan.data->what.position.reladdr.msf.second; |
1139 |
|
|
*pos++ = chan.data->what.position.reladdr.msf.frame; |
1140 |
|
|
return true; |
1141 |
cebix |
1.15 |
#else |
1142 |
|
|
return false; |
1143 |
cebix |
1.1 |
#endif |
1144 |
|
|
} else |
1145 |
|
|
return false; |
1146 |
|
|
} |
1147 |
|
|
|
1148 |
|
|
|
1149 |
|
|
/* |
1150 |
|
|
* Play CD audio |
1151 |
|
|
*/ |
1152 |
|
|
|
1153 |
|
|
bool SysCDPlay(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, uint8 end_m, uint8 end_s, uint8 end_f) |
1154 |
|
|
{ |
1155 |
|
|
file_handle *fh = (file_handle *)arg; |
1156 |
|
|
if (!fh) |
1157 |
|
|
return false; |
1158 |
|
|
|
1159 |
|
|
if (fh->is_cdrom) { |
1160 |
|
|
#if defined(__linux__) |
1161 |
|
|
cdrom_msf play; |
1162 |
|
|
play.cdmsf_min0 = start_m; |
1163 |
|
|
play.cdmsf_sec0 = start_s; |
1164 |
|
|
play.cdmsf_frame0 = start_f; |
1165 |
|
|
play.cdmsf_min1 = end_m; |
1166 |
|
|
play.cdmsf_sec1 = end_s; |
1167 |
|
|
play.cdmsf_frame1 = end_f; |
1168 |
|
|
return ioctl(fh->fd, CDROMPLAYMSF, &play) == 0; |
1169 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1170 |
cebix |
1.1 |
struct ioc_play_msf play; |
1171 |
|
|
play.start_m = start_m; |
1172 |
|
|
play.start_s = start_s; |
1173 |
|
|
play.start_f = start_f; |
1174 |
|
|
play.end_m = end_m; |
1175 |
|
|
play.end_s = end_s; |
1176 |
|
|
play.end_f = end_f; |
1177 |
|
|
return ioctl(fh->fd, CDIOCPLAYMSF, &play) == 0; |
1178 |
cebix |
1.15 |
#else |
1179 |
|
|
return false; |
1180 |
cebix |
1.1 |
#endif |
1181 |
|
|
} else |
1182 |
|
|
return false; |
1183 |
|
|
} |
1184 |
|
|
|
1185 |
|
|
|
1186 |
|
|
/* |
1187 |
|
|
* Pause CD audio |
1188 |
|
|
*/ |
1189 |
|
|
|
1190 |
|
|
bool SysCDPause(void *arg) |
1191 |
|
|
{ |
1192 |
|
|
file_handle *fh = (file_handle *)arg; |
1193 |
|
|
if (!fh) |
1194 |
|
|
return false; |
1195 |
|
|
|
1196 |
|
|
if (fh->is_cdrom) { |
1197 |
|
|
#if defined(__linux__) |
1198 |
|
|
return ioctl(fh->fd, CDROMPAUSE) == 0; |
1199 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1200 |
cebix |
1.1 |
return ioctl(fh->fd, CDIOCPAUSE) == 0; |
1201 |
cebix |
1.15 |
#else |
1202 |
|
|
return false; |
1203 |
cebix |
1.1 |
#endif |
1204 |
|
|
} else |
1205 |
|
|
return false; |
1206 |
|
|
} |
1207 |
|
|
|
1208 |
|
|
|
1209 |
|
|
/* |
1210 |
|
|
* Resume paused CD audio |
1211 |
|
|
*/ |
1212 |
|
|
|
1213 |
|
|
bool SysCDResume(void *arg) |
1214 |
|
|
{ |
1215 |
|
|
file_handle *fh = (file_handle *)arg; |
1216 |
|
|
if (!fh) |
1217 |
|
|
return false; |
1218 |
|
|
|
1219 |
|
|
if (fh->is_cdrom) { |
1220 |
|
|
#if defined(__linux__) |
1221 |
|
|
return ioctl(fh->fd, CDROMRESUME) == 0; |
1222 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1223 |
cebix |
1.1 |
return ioctl(fh->fd, CDIOCRESUME) == 0; |
1224 |
cebix |
1.15 |
#else |
1225 |
|
|
return false; |
1226 |
cebix |
1.1 |
#endif |
1227 |
|
|
} else |
1228 |
|
|
return false; |
1229 |
|
|
} |
1230 |
|
|
|
1231 |
|
|
|
1232 |
|
|
/* |
1233 |
|
|
* Stop CD audio |
1234 |
|
|
*/ |
1235 |
|
|
|
1236 |
|
|
bool SysCDStop(void *arg, uint8 lead_out_m, uint8 lead_out_s, uint8 lead_out_f) |
1237 |
|
|
{ |
1238 |
|
|
file_handle *fh = (file_handle *)arg; |
1239 |
|
|
if (!fh) |
1240 |
|
|
return false; |
1241 |
|
|
|
1242 |
|
|
if (fh->is_cdrom) { |
1243 |
|
|
#if defined(__linux__) |
1244 |
|
|
return ioctl(fh->fd, CDROMSTOP) == 0; |
1245 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1246 |
cebix |
1.1 |
return ioctl(fh->fd, CDIOCSTOP) == 0; |
1247 |
cebix |
1.15 |
#else |
1248 |
|
|
return false; |
1249 |
cebix |
1.1 |
#endif |
1250 |
|
|
} else |
1251 |
|
|
return false; |
1252 |
|
|
} |
1253 |
|
|
|
1254 |
|
|
|
1255 |
|
|
/* |
1256 |
|
|
* Perform CD audio fast-forward/fast-reverse operation starting from specified address |
1257 |
|
|
*/ |
1258 |
|
|
|
1259 |
|
|
bool SysCDScan(void *arg, uint8 start_m, uint8 start_s, uint8 start_f, bool reverse) |
1260 |
|
|
{ |
1261 |
|
|
file_handle *fh = (file_handle *)arg; |
1262 |
|
|
if (!fh) |
1263 |
|
|
return false; |
1264 |
|
|
|
1265 |
|
|
// Not supported under Linux |
1266 |
|
|
return false; |
1267 |
|
|
} |
1268 |
|
|
|
1269 |
|
|
|
1270 |
|
|
/* |
1271 |
|
|
* Set CD audio volume (0..255 each channel) |
1272 |
|
|
*/ |
1273 |
|
|
|
1274 |
|
|
void SysCDSetVolume(void *arg, uint8 left, uint8 right) |
1275 |
|
|
{ |
1276 |
|
|
file_handle *fh = (file_handle *)arg; |
1277 |
|
|
if (!fh) |
1278 |
|
|
return; |
1279 |
|
|
|
1280 |
|
|
if (fh->is_cdrom) { |
1281 |
|
|
#if defined(__linux__) |
1282 |
|
|
cdrom_volctrl vol; |
1283 |
|
|
vol.channel0 = vol.channel2 = left; |
1284 |
|
|
vol.channel1 = vol.channel3 = right; |
1285 |
|
|
ioctl(fh->fd, CDROMVOLCTRL, &vol); |
1286 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1287 |
cebix |
1.1 |
struct ioc_vol vol; |
1288 |
|
|
vol.vol[0] = vol.vol[2] = left; |
1289 |
|
|
vol.vol[1] = vol.vol[3] = right; |
1290 |
|
|
ioctl(fh->fd, CDIOCSETVOL, &vol); |
1291 |
|
|
#endif |
1292 |
|
|
} |
1293 |
|
|
} |
1294 |
|
|
|
1295 |
|
|
|
1296 |
|
|
/* |
1297 |
|
|
* Get CD audio volume (0..255 each channel) |
1298 |
|
|
*/ |
1299 |
|
|
|
1300 |
|
|
void SysCDGetVolume(void *arg, uint8 &left, uint8 &right) |
1301 |
|
|
{ |
1302 |
|
|
file_handle *fh = (file_handle *)arg; |
1303 |
|
|
if (!fh) |
1304 |
|
|
return; |
1305 |
|
|
|
1306 |
|
|
left = right = 0; |
1307 |
|
|
if (fh->is_cdrom) { |
1308 |
|
|
#if defined(__linux__) |
1309 |
|
|
cdrom_volctrl vol; |
1310 |
|
|
ioctl(fh->fd, CDROMVOLREAD, &vol); |
1311 |
|
|
left = vol.channel0; |
1312 |
|
|
right = vol.channel1; |
1313 |
cebix |
1.3 |
#elif defined(__FreeBSD__) || defined(__NetBSD__) |
1314 |
cebix |
1.1 |
struct ioc_vol vol; |
1315 |
|
|
ioctl(fh->fd, CDIOCGETVOL, &vol); |
1316 |
|
|
left = vol.vol[0]; |
1317 |
|
|
right = vol.vol[1]; |
1318 |
|
|
#endif |
1319 |
|
|
} |
1320 |
|
|
} |