| 1 |
cebix |
1.1 |
/* |
| 2 |
|
|
* macos_util.h - MacOS definitions/utility functions |
| 3 |
|
|
* |
| 4 |
cebix |
1.4 |
* SheepShaver (C) 1997-2004 Christian Bauer and Marc Hellwig |
| 5 |
cebix |
1.1 |
* |
| 6 |
|
|
* This program is free software; you can redistribute it and/or modify |
| 7 |
|
|
* it under the terms of the GNU General Public License as published by |
| 8 |
|
|
* the Free Software Foundation; either version 2 of the License, or |
| 9 |
|
|
* (at your option) any later version. |
| 10 |
|
|
* |
| 11 |
|
|
* This program is distributed in the hope that it will be useful, |
| 12 |
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 |
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 |
|
|
* GNU General Public License for more details. |
| 15 |
|
|
* |
| 16 |
|
|
* You should have received a copy of the GNU General Public License |
| 17 |
|
|
* along with this program; if not, write to the Free Software |
| 18 |
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 19 |
|
|
*/ |
| 20 |
|
|
|
| 21 |
|
|
#ifndef MACOS_UTIL_H |
| 22 |
|
|
#define MACOS_UTIL_H |
| 23 |
|
|
|
| 24 |
|
|
#include "cpu_emulation.h" |
| 25 |
gbeauche |
1.3 |
#include "thunks.h" |
| 26 |
|
|
#include <stddef.h> |
| 27 |
cebix |
1.1 |
|
| 28 |
|
|
|
| 29 |
|
|
/* |
| 30 |
|
|
* General definitions |
| 31 |
|
|
*/ |
| 32 |
|
|
|
| 33 |
|
|
struct Point { |
| 34 |
|
|
int16 v; |
| 35 |
|
|
int16 h; |
| 36 |
|
|
}; |
| 37 |
|
|
|
| 38 |
|
|
struct Rect { |
| 39 |
|
|
int16 top; |
| 40 |
|
|
int16 left; |
| 41 |
|
|
int16 bottom; |
| 42 |
|
|
int16 right; |
| 43 |
|
|
}; |
| 44 |
|
|
|
| 45 |
|
|
|
| 46 |
|
|
/* |
| 47 |
|
|
* Queues |
| 48 |
|
|
*/ |
| 49 |
|
|
|
| 50 |
|
|
enum { // Queue types |
| 51 |
|
|
dummyType = 0, |
| 52 |
|
|
vType = 1, |
| 53 |
|
|
ioQType = 2, |
| 54 |
|
|
drvQType = 3, |
| 55 |
|
|
evType = 4, |
| 56 |
|
|
fsQType = 5, |
| 57 |
|
|
sIQType = 6, |
| 58 |
|
|
dtQType = 7, |
| 59 |
|
|
nmType = 8 |
| 60 |
|
|
}; |
| 61 |
|
|
|
| 62 |
|
|
enum { // QElem struct |
| 63 |
|
|
qLink = 0, |
| 64 |
|
|
qType = 4, |
| 65 |
|
|
qData = 6 |
| 66 |
|
|
}; |
| 67 |
|
|
|
| 68 |
|
|
enum { // QHdr struct |
| 69 |
|
|
qFlags = 0, |
| 70 |
|
|
qHead = 2, |
| 71 |
|
|
qTail = 6 |
| 72 |
|
|
}; |
| 73 |
|
|
|
| 74 |
|
|
|
| 75 |
|
|
/* |
| 76 |
|
|
* Definitions for Deferred Task Manager |
| 77 |
|
|
*/ |
| 78 |
|
|
|
| 79 |
|
|
enum { // DeferredTask struct |
| 80 |
|
|
dtFlags = 6, |
| 81 |
|
|
dtAddr = 8, |
| 82 |
|
|
dtParam = 12, |
| 83 |
|
|
dtReserved = 16 |
| 84 |
|
|
}; |
| 85 |
|
|
|
| 86 |
|
|
|
| 87 |
|
|
/* |
| 88 |
|
|
* Definitions for Device Manager |
| 89 |
|
|
*/ |
| 90 |
|
|
|
| 91 |
|
|
// Error codes |
| 92 |
|
|
enum { |
| 93 |
|
|
noErr = 0, |
| 94 |
|
|
controlErr = -17, /* I/O System Errors */ |
| 95 |
|
|
statusErr = -18, /* I/O System Errors */ |
| 96 |
|
|
readErr = -19, /* I/O System Errors */ |
| 97 |
|
|
writErr = -20, /* I/O System Errors */ |
| 98 |
|
|
badUnitErr = -21, /* I/O System Errors */ |
| 99 |
|
|
unitEmptyErr = -22, /* I/O System Errors */ |
| 100 |
|
|
openErr = -23, /* I/O System Errors */ |
| 101 |
|
|
closErr = -24, /* I/O System Errors */ |
| 102 |
|
|
abortErr = -27, /* IO call aborted by KillIO */ |
| 103 |
|
|
notOpenErr = -28, /* Driver not open */ |
| 104 |
|
|
dskFulErr = -34, /* disk full */ |
| 105 |
|
|
nsvErr = -35, /* no such volume */ |
| 106 |
|
|
ioErr = -36, /* I/O error (bummers) */ |
| 107 |
|
|
bdNamErr = -37, /* bad name */ |
| 108 |
|
|
fnOpnErr = -38, /* file not open */ |
| 109 |
|
|
eofErr = -39, /* End-of-file encountered */ |
| 110 |
|
|
posErr = -40, /* tried to position to before start of file (r/w) */ |
| 111 |
|
|
tmfoErr = -42, /* too many files open */ |
| 112 |
|
|
fnfErr = -43, /* file not found */ |
| 113 |
|
|
wPrErr = -44, /* diskette is write protected. */ |
| 114 |
|
|
fLckdErr = -45, /* file is locked */ |
| 115 |
|
|
fBsyErr = -47, /* file busy, dir not empty */ |
| 116 |
|
|
dupFNErr = -48, /* duplicate filename already exists */ |
| 117 |
|
|
paramErr = -50, /* error in user parameter list */ |
| 118 |
|
|
rfNumErr = -51, /* bad ioRefNum */ |
| 119 |
|
|
permErr = -54, /* permission error */ |
| 120 |
|
|
nsDrvErr = -56, /* no such driver number */ |
| 121 |
|
|
extFSErr = -58, /* external file system */ |
| 122 |
|
|
noDriveErr = -64, /* drive not installed */ |
| 123 |
|
|
offLinErr = -65, /* r/w requested for an off-line drive */ |
| 124 |
|
|
noNybErr = -66, /* couldn't find 5 nybbles in 200 tries */ |
| 125 |
|
|
noAdrMkErr = -67, /* couldn't find valid addr mark */ |
| 126 |
|
|
dataVerErr = -68, /* read verify compare failed */ |
| 127 |
|
|
badCksmErr = -69, /* addr mark checksum didn't check */ |
| 128 |
|
|
badBtSlpErr = -70, /* bad addr mark bit slip nibbles */ |
| 129 |
|
|
noDtaMkErr = -71, /* couldn't find a data mark header */ |
| 130 |
|
|
badDCksum = -72, /* bad data mark checksum */ |
| 131 |
|
|
badDBtSlp = -73, /* bad data mark bit slip nibbles */ |
| 132 |
|
|
wrUnderrun = -74, /* write underrun occurred */ |
| 133 |
|
|
cantStepErr = -75, /* step handshake failed */ |
| 134 |
|
|
tk0BadErr = -76, /* track 0 detect doesn't change */ |
| 135 |
|
|
initIWMErr = -77, /* unable to initialize IWM */ |
| 136 |
|
|
twoSideErr = -78, /* tried to read 2nd side on a 1-sided drive */ |
| 137 |
|
|
spdAdjErr = -79, /* unable to correctly adjust disk speed */ |
| 138 |
|
|
seekErr = -80, /* track number wrong on address mark */ |
| 139 |
|
|
sectNFErr = -81, /* sector number never found on a track */ |
| 140 |
|
|
fmt1Err = -82, /* can't find sector 0 after track format */ |
| 141 |
|
|
fmt2Err = -83, /* can't get enough sync */ |
| 142 |
|
|
verErr = -84, /* track failed to verify */ |
| 143 |
|
|
memFullErr = -108, |
| 144 |
|
|
dirNFErr = -120 /* directory not found */ |
| 145 |
|
|
}; |
| 146 |
|
|
|
| 147 |
|
|
// Misc constants |
| 148 |
|
|
enum { |
| 149 |
|
|
goodbye = -1, /* heap being reinitialized */ |
| 150 |
|
|
|
| 151 |
|
|
ioInProgress = 1, /* predefined value of ioResult while I/O is pending */ |
| 152 |
|
|
aRdCmd = 2, /* low byte of ioTrap for Read calls */ |
| 153 |
|
|
aWrCmd = 3, /* low byte of ioTrap for Write calls */ |
| 154 |
|
|
asyncTrpBit = 10, /* trap word modifier */ |
| 155 |
|
|
noQueueBit = 9, /* trap word modifier */ |
| 156 |
|
|
|
| 157 |
|
|
dReadEnable = 0, /* set if driver responds to read requests */ |
| 158 |
|
|
dWritEnable = 1, /* set if driver responds to write requests */ |
| 159 |
|
|
dCtlEnable = 2, /* set if driver responds to control requests */ |
| 160 |
|
|
dStatEnable = 3, /* set if driver responds to status requests */ |
| 161 |
|
|
dNeedGoodBye = 4, /* set if driver needs time for performing periodic tasks */ |
| 162 |
|
|
dNeedTime = 5, /* set if driver needs time for performing periodic tasks */ |
| 163 |
|
|
dNeedLock = 6, /* set if driver must be locked in memory as soon as it is opened */ |
| 164 |
|
|
|
| 165 |
|
|
dOpened = 5, /* driver is open */ |
| 166 |
|
|
dRAMBased = 6, /* dCtlDriver is a handle (1) or pointer (0) */ |
| 167 |
|
|
drvrActive = 7, /* driver is currently processing a request */ |
| 168 |
|
|
|
| 169 |
|
|
rdVerify = 64, |
| 170 |
|
|
|
| 171 |
|
|
fsCurPerm = 0, // Whatever is currently allowed |
| 172 |
|
|
fsRdPerm = 1, // Exclusive read |
| 173 |
|
|
fsWrPerm = 2, // Exclusive write |
| 174 |
|
|
fsRdWrPerm = 3, // Exclusive read/write |
| 175 |
|
|
fsRdWrShPerm = 4, // Shared read/write |
| 176 |
|
|
|
| 177 |
|
|
fsAtMark = 0, // At current mark |
| 178 |
|
|
fsFromStart = 1, // Set mark rel to BOF |
| 179 |
|
|
fsFromLEOF = 2, // Set mark rel to logical EOF |
| 180 |
|
|
fsFromMark = 3, // Set mark rel to current mark |
| 181 |
|
|
|
| 182 |
|
|
sony = 0, |
| 183 |
|
|
hard20 = 1 |
| 184 |
|
|
}; |
| 185 |
|
|
|
| 186 |
|
|
enum { /* Large Volume Constants */ |
| 187 |
|
|
kWidePosOffsetBit = 8, |
| 188 |
|
|
kMaximumBlocksIn4GB = 0x007FFFFF |
| 189 |
|
|
}; |
| 190 |
|
|
|
| 191 |
|
|
enum { // IOParam struct |
| 192 |
|
|
ioTrap = 6, |
| 193 |
|
|
ioCmdAddr = 8, |
| 194 |
|
|
ioCompletion = 12, |
| 195 |
|
|
ioResult = 16, |
| 196 |
|
|
ioNamePtr = 18, |
| 197 |
|
|
ioVRefNum = 22, |
| 198 |
|
|
ioRefNum = 24, |
| 199 |
|
|
ioVersNum = 26, |
| 200 |
|
|
ioPermssn = 27, |
| 201 |
|
|
ioMisc = 28, |
| 202 |
|
|
ioBuffer = 32, |
| 203 |
|
|
ioReqCount = 36, |
| 204 |
|
|
ioActCount = 40, |
| 205 |
|
|
ioPosMode = 44, |
| 206 |
|
|
ioPosOffset = 46, |
| 207 |
|
|
ioWPosOffset = 46, // Wide positioning offset when ioPosMode has kWidePosOffsetBit set |
| 208 |
|
|
SIZEOF_IOParam = 50 |
| 209 |
|
|
}; |
| 210 |
|
|
|
| 211 |
|
|
enum { // CntrlParam struct |
| 212 |
|
|
csCode = 26, |
| 213 |
|
|
csParam = 28 |
| 214 |
|
|
}; |
| 215 |
|
|
|
| 216 |
|
|
enum { // DrvSts struct |
| 217 |
|
|
dsTrack = 0, |
| 218 |
|
|
dsWriteProt = 2, |
| 219 |
|
|
dsDiskInPlace = 3, |
| 220 |
|
|
dsInstalled = 4, |
| 221 |
|
|
dsSides = 5, |
| 222 |
|
|
dsQLink = 6, |
| 223 |
|
|
dsQType = 10, |
| 224 |
|
|
dsQDrive = 12, |
| 225 |
|
|
dsQRefNum = 14, |
| 226 |
|
|
dsQFSID = 16, |
| 227 |
|
|
dsTwoSideFmt = 18, |
| 228 |
|
|
dsNewIntf = 19, |
| 229 |
|
|
dsDiskErrs = 20, |
| 230 |
|
|
dsMFMDrive = 22, |
| 231 |
|
|
dsMFMDisk = 23, |
| 232 |
|
|
dsTwoMegFmt = 24 |
| 233 |
|
|
}; |
| 234 |
|
|
|
| 235 |
|
|
enum { // DrvSts2 struct |
| 236 |
|
|
dsDriveSize = 18, |
| 237 |
|
|
dsDriveS1 = 20, |
| 238 |
|
|
dsDriveType = 22, |
| 239 |
|
|
dsDriveManf = 24, |
| 240 |
|
|
dsDriveChar = 26, |
| 241 |
|
|
dsDriveMisc = 28, |
| 242 |
|
|
SIZEOF_DrvSts = 30 |
| 243 |
|
|
}; |
| 244 |
|
|
|
| 245 |
|
|
enum { // DCtlEntry struct |
| 246 |
|
|
dCtlDriver = 0, |
| 247 |
|
|
dCtlFlags = 4, |
| 248 |
|
|
dCtlQHdr = 6, |
| 249 |
|
|
dCtlPosition = 16, |
| 250 |
|
|
dCtlStorage = 20, |
| 251 |
|
|
dCtlRefNum = 24, |
| 252 |
|
|
dCtlCurTicks = 26, |
| 253 |
|
|
dCtlWindow = 30, |
| 254 |
|
|
dCtlDelay = 34, |
| 255 |
|
|
dCtlEMask = 36, |
| 256 |
|
|
dCtlMenu = 38, |
| 257 |
|
|
dCtlSlot = 40, |
| 258 |
|
|
dCtlSlotId = 41, |
| 259 |
|
|
dCtlDevBase = 42, |
| 260 |
|
|
dCtlOwner = 46, |
| 261 |
|
|
dCtlExtDev = 50, |
| 262 |
|
|
dCtlFillByte = 51, |
| 263 |
|
|
dCtlNodeID = 52 |
| 264 |
|
|
}; |
| 265 |
|
|
|
| 266 |
|
|
|
| 267 |
|
|
/* |
| 268 |
|
|
* Definitions for native Device Manager |
| 269 |
|
|
*/ |
| 270 |
|
|
|
| 271 |
|
|
// Registry EntryID |
| 272 |
|
|
struct RegEntryID { |
| 273 |
|
|
uint32 contents[4]; |
| 274 |
|
|
}; |
| 275 |
|
|
|
| 276 |
|
|
// Command codes |
| 277 |
|
|
enum { |
| 278 |
|
|
kOpenCommand = 0, |
| 279 |
|
|
kCloseCommand = 1, |
| 280 |
|
|
kReadCommand = 2, |
| 281 |
|
|
kWriteCommand = 3, |
| 282 |
|
|
kControlCommand = 4, |
| 283 |
|
|
kStatusCommand = 5, |
| 284 |
|
|
kKillIOCommand = 6, |
| 285 |
|
|
kInitializeCommand = 7, /* init driver and device*/ |
| 286 |
|
|
kFinalizeCommand = 8, /* shutdown driver and device*/ |
| 287 |
|
|
kReplaceCommand = 9, /* replace an old driver*/ |
| 288 |
|
|
kSupersededCommand = 10, /* prepare to be replaced by a new driver*/ |
| 289 |
|
|
kSuspendCommand = 11, /* prepare driver to go to sleep*/ |
| 290 |
|
|
kResumeCommand = 12 /* wake up sleeping driver*/ |
| 291 |
|
|
}; |
| 292 |
|
|
|
| 293 |
|
|
// Command kinds |
| 294 |
|
|
enum { |
| 295 |
|
|
kSynchronousIOCommandKind = 0x00000001, |
| 296 |
|
|
kAsynchronousIOCommandKind = 0x00000002, |
| 297 |
|
|
kImmediateIOCommandKind = 0x00000004 |
| 298 |
|
|
}; |
| 299 |
|
|
|
| 300 |
|
|
|
| 301 |
|
|
/* |
| 302 |
|
|
* Definitions for Mixed Mode Manager |
| 303 |
|
|
*/ |
| 304 |
|
|
|
| 305 |
|
|
typedef uint32 ProcInfoType; |
| 306 |
|
|
typedef int8 ISAType; |
| 307 |
|
|
typedef uint16 RoutineFlagsType; |
| 308 |
gbeauche |
1.3 |
typedef uint32 ProcPtr; |
| 309 |
cebix |
1.1 |
typedef uint8 RDFlagsType; |
| 310 |
|
|
|
| 311 |
|
|
struct RoutineRecord { |
| 312 |
|
|
ProcInfoType procInfo; /* calling conventions */ |
| 313 |
|
|
int8 reserved1; /* Must be 0 */ |
| 314 |
|
|
ISAType ISA; /* Instruction Set Architecture */ |
| 315 |
|
|
RoutineFlagsType routineFlags; /* Flags for each routine */ |
| 316 |
|
|
ProcPtr procDescriptor; /* Where is the thing weĠre calling? */ |
| 317 |
|
|
uint32 reserved2; /* Must be 0 */ |
| 318 |
|
|
uint32 selector; /* For dispatched routines, the selector */ |
| 319 |
|
|
}; |
| 320 |
|
|
|
| 321 |
|
|
struct RoutineDescriptor { |
| 322 |
|
|
uint16 goMixedModeTrap; /* Our A-Trap */ |
| 323 |
|
|
int8 version; /* Current Routine Descriptor version */ |
| 324 |
|
|
RDFlagsType routineDescriptorFlags; /* Routine Descriptor Flags */ |
| 325 |
|
|
uint32 reserved1; /* Unused, must be zero */ |
| 326 |
|
|
uint8 reserved2; /* Unused, must be zero */ |
| 327 |
|
|
uint8 selectorInfo; /* If a dispatched routine, calling convention, else 0 */ |
| 328 |
|
|
uint16 routineCount; /* Number of routines in this RD */ |
| 329 |
|
|
RoutineRecord routineRecords[1]; /* The individual routines */ |
| 330 |
|
|
}; |
| 331 |
|
|
|
| 332 |
gbeauche |
1.3 |
struct SheepRoutineDescriptor |
| 333 |
|
|
: public SheepVar |
| 334 |
|
|
{ |
| 335 |
|
|
SheepRoutineDescriptor(ProcInfoType procInfo, uint32 procedure) |
| 336 |
|
|
: SheepVar(sizeof(RoutineDescriptor)) |
| 337 |
|
|
{ |
| 338 |
|
|
const uintptr desc = addr(); |
| 339 |
|
|
Mac_memset(desc, 0, sizeof(RoutineDescriptor)); |
| 340 |
|
|
WriteMacInt16(desc + offsetof(RoutineDescriptor, goMixedModeTrap), 0xAAFE); |
| 341 |
|
|
WriteMacInt8 (desc + offsetof(RoutineDescriptor, version), 7); |
| 342 |
gbeauche |
1.5 |
WriteMacInt32(desc + offsetof(RoutineDescriptor, routineRecords) + offsetof(RoutineRecord, procInfo), procInfo); |
| 343 |
|
|
WriteMacInt8 (desc + offsetof(RoutineDescriptor, routineRecords) + offsetof(RoutineRecord, ISA), 1); |
| 344 |
|
|
WriteMacInt16(desc + offsetof(RoutineDescriptor, routineRecords) + offsetof(RoutineRecord, routineFlags), 0 | 0 | 4); |
| 345 |
|
|
WriteMacInt32(desc + offsetof(RoutineDescriptor, routineRecords) + offsetof(RoutineRecord, procDescriptor), procedure); |
| 346 |
cebix |
1.1 |
} |
| 347 |
gbeauche |
1.3 |
}; |
| 348 |
cebix |
1.1 |
|
| 349 |
|
|
|
| 350 |
|
|
// Functions |
| 351 |
|
|
extern void MacOSUtilReset(void); |
| 352 |
|
|
extern void Enqueue(uint32 elem, uint32 list); // Enqueue QElem to list |
| 353 |
|
|
extern int FindFreeDriveNumber(int num); // Find first free drive number, starting at "num" |
| 354 |
|
|
extern void MountVolume(void *fh); // Mount volume with given file handle (see sys.h) |
| 355 |
|
|
extern void FileDiskLayout(loff_t size, uint8 *data, loff_t &start_byte, loff_t &real_size); // Calculate disk image file layout given file size and first 256 data bytes |
| 356 |
gbeauche |
1.7 |
extern uint32 FindLibSymbol(char *lib, char *sym); // Find symbol in shared library |
| 357 |
cebix |
1.1 |
extern void InitCallUniversalProc(void); // Init CallUniversalProc() |
| 358 |
|
|
extern long CallUniversalProc(void *upp, uint32 info); // CallUniversalProc() |
| 359 |
|
|
extern uint32 TimeToMacTime(time_t t); // Convert time_t value to MacOS time |
| 360 |
gbeauche |
1.7 |
extern uint32 Mac_sysalloc(uint32 size); // Allocate block in MacOS system heap zone |
| 361 |
|
|
extern void Mac_sysfree(uint32 addr); // Release block occupied by the nonrelocatable block p |
| 362 |
cebix |
1.1 |
|
| 363 |
|
|
// Construct four-character-code from string |
| 364 |
|
|
#define FOURCC(a,b,c,d) (((uint32)(a) << 24) | ((uint32)(b) << 16) | ((uint32)(c) << 8) | (uint32)(d)) |
| 365 |
|
|
|
| 366 |
|
|
// Emulator identification codes (4 and 2 characters) |
| 367 |
|
|
const uint32 EMULATOR_ID_4 = 0x62616168; // 'baah' |
| 368 |
|
|
const uint16 EMULATOR_ID_2 = 0x6261; // 'ba' |
| 369 |
|
|
|
| 370 |
|
|
// Test if basic MacOS initializations (of the ROM) are done |
| 371 |
|
|
static inline bool HasMacStarted(void) |
| 372 |
|
|
{ |
| 373 |
|
|
return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C'); // Mac warm start flag |
| 374 |
|
|
} |
| 375 |
|
|
|
| 376 |
|
|
#endif |
