| 1 |
/* |
| 2 |
* macos_util.h - MacOS definitions/utility functions |
| 3 |
* |
| 4 |
* Basilisk II (C) 1997-2001 Christian Bauer |
| 5 |
* |
| 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 |
|
| 26 |
|
| 27 |
/* |
| 28 |
* Queues |
| 29 |
*/ |
| 30 |
|
| 31 |
enum { // Queue types |
| 32 |
dummyType = 0, |
| 33 |
vType = 1, |
| 34 |
ioQType = 2, |
| 35 |
drvQType = 3, |
| 36 |
evType = 4, |
| 37 |
fsQType = 5, |
| 38 |
sIQType = 6, |
| 39 |
dtQType = 7, |
| 40 |
nmType = 8 |
| 41 |
}; |
| 42 |
|
| 43 |
enum { // QElem struct |
| 44 |
qLink = 0, |
| 45 |
qType = 4, |
| 46 |
qData = 6 |
| 47 |
}; |
| 48 |
|
| 49 |
enum { // QHdr struct |
| 50 |
qFlags = 0, |
| 51 |
qHead = 2, |
| 52 |
qTail = 6 |
| 53 |
}; |
| 54 |
|
| 55 |
|
| 56 |
/* |
| 57 |
* Definitions for Device Manager |
| 58 |
*/ |
| 59 |
|
| 60 |
// Error codes |
| 61 |
enum { |
| 62 |
noErr = 0, |
| 63 |
controlErr = -17, |
| 64 |
statusErr = -18, |
| 65 |
readErr = -19, |
| 66 |
writErr = -20, |
| 67 |
badUnitErr = -21, |
| 68 |
unitEmptyErr = -22, |
| 69 |
openErr = -23, |
| 70 |
closErr = -24, |
| 71 |
abortErr = -27, |
| 72 |
notOpenErr = -28, |
| 73 |
dskFulErr = -34, |
| 74 |
nsvErr = -35, |
| 75 |
ioErr = -36, |
| 76 |
bdNamErr = -37, |
| 77 |
fnOpnErr = -38, |
| 78 |
eofErr = -39, |
| 79 |
posErr = -40, |
| 80 |
tmfoErr = -42, |
| 81 |
fnfErr = -43, |
| 82 |
wPrErr = -44, |
| 83 |
fLckdErr = -45, |
| 84 |
fBsyErr = -47, |
| 85 |
dupFNErr = -48, |
| 86 |
paramErr = -50, |
| 87 |
rfNumErr = -51, |
| 88 |
permErr = -54, |
| 89 |
nsDrvErr = -56, |
| 90 |
extFSErr = -58, |
| 91 |
noDriveErr = -64, |
| 92 |
offLinErr = -65, |
| 93 |
noNybErr = -66, |
| 94 |
noAdrMkErr = -67, |
| 95 |
dataVerErr = -68, |
| 96 |
badCksmErr = -69, |
| 97 |
badBtSlpErr = -70, |
| 98 |
noDtaMkErr = -71, |
| 99 |
badDCksum = -72, |
| 100 |
badDBtSlp = -73, |
| 101 |
wrUnderrun = -74, |
| 102 |
cantStepErr = -75, |
| 103 |
tk0BadErr = -76, |
| 104 |
initIWMErr = -77, |
| 105 |
twoSideErr = -78, |
| 106 |
spdAdjErr = -79, |
| 107 |
seekErr = -80, |
| 108 |
sectNFErr = -81, |
| 109 |
fmt1Err = -82, |
| 110 |
fmt2Err = -83, |
| 111 |
verErr = -84, |
| 112 |
memFullErr = -108, |
| 113 |
dirNFErr = -120 |
| 114 |
}; |
| 115 |
|
| 116 |
// Misc constants |
| 117 |
enum { |
| 118 |
goodbye = -1, |
| 119 |
|
| 120 |
ioInProgress = 1, |
| 121 |
aRdCmd = 2, |
| 122 |
aWrCmd = 3, |
| 123 |
asyncTrpBit = 10, |
| 124 |
noQueueBit = 9, |
| 125 |
|
| 126 |
dReadEnable = 0, |
| 127 |
dWritEnable = 1, |
| 128 |
dCtlEnable = 2, |
| 129 |
dStatEnable = 3, |
| 130 |
dNeedGoodBye = 4, |
| 131 |
dNeedTime = 5, |
| 132 |
dNeedLock = 6, |
| 133 |
|
| 134 |
dOpened = 5, |
| 135 |
dRAMBased = 6, |
| 136 |
drvrActive = 7, |
| 137 |
|
| 138 |
rdVerify = 64, |
| 139 |
|
| 140 |
fsCurPerm = 0, |
| 141 |
fsRdPerm = 1, |
| 142 |
fsWrPerm = 2, |
| 143 |
fsRdWrPerm = 3, |
| 144 |
fsRdWrShPerm = 4, |
| 145 |
|
| 146 |
fsAtMark = 0, |
| 147 |
fsFromStart = 1, |
| 148 |
fsFromLEOF = 2, |
| 149 |
fsFromMark = 3, |
| 150 |
|
| 151 |
sony = 0, |
| 152 |
hard20 = 1 |
| 153 |
}; |
| 154 |
|
| 155 |
enum { // Large volume constants |
| 156 |
kWidePosOffsetBit = 8, |
| 157 |
kMaximumBlocksIn4GB = 0x007fffff |
| 158 |
}; |
| 159 |
|
| 160 |
enum { // IOParam struct |
| 161 |
ioTrap = 6, |
| 162 |
ioCmdAddr = 8, |
| 163 |
ioCompletion = 12, |
| 164 |
ioResult = 16, |
| 165 |
ioNamePtr = 18, |
| 166 |
ioVRefNum = 22, |
| 167 |
ioRefNum = 24, |
| 168 |
ioVersNum = 26, |
| 169 |
ioPermssn = 27, |
| 170 |
ioMisc = 28, |
| 171 |
ioBuffer = 32, |
| 172 |
ioReqCount = 36, |
| 173 |
ioActCount = 40, |
| 174 |
ioPosMode = 44, |
| 175 |
ioPosOffset = 46, |
| 176 |
ioWPosOffset = 46, // Wide positioning offset when ioPosMode has kWidePosOffsetBit set |
| 177 |
SIZEOF_IOParam = 50 |
| 178 |
}; |
| 179 |
|
| 180 |
enum { // CntrlParam struct |
| 181 |
csCode = 26, |
| 182 |
csParam = 28 |
| 183 |
}; |
| 184 |
|
| 185 |
enum { // DrvSts struct |
| 186 |
dsTrack = 0, |
| 187 |
dsWriteProt = 2, |
| 188 |
dsDiskInPlace = 3, |
| 189 |
dsInstalled = 4, |
| 190 |
dsSides = 5, |
| 191 |
dsQLink = 6, |
| 192 |
dsQType = 10, |
| 193 |
dsQDrive = 12, |
| 194 |
dsQRefNum = 14, |
| 195 |
dsQFSID = 16, |
| 196 |
dsTwoSideFmt = 18, |
| 197 |
dsNewIntf = 19, |
| 198 |
dsDiskErrs = 20, |
| 199 |
dsMFMDrive = 22, |
| 200 |
dsMFMDisk = 23, |
| 201 |
dsTwoMegFmt = 24 |
| 202 |
}; |
| 203 |
|
| 204 |
enum { // DrvSts2 struct |
| 205 |
dsDriveSize = 18, |
| 206 |
dsDriveS1 = 20, |
| 207 |
dsDriveType = 22, |
| 208 |
dsDriveManf = 24, |
| 209 |
dsDriveChar = 26, |
| 210 |
dsDriveMisc = 28, |
| 211 |
SIZEOF_DrvSts = 30 |
| 212 |
}; |
| 213 |
|
| 214 |
enum { // DCtlEntry struct |
| 215 |
dCtlDriver = 0, |
| 216 |
dCtlFlags = 4, |
| 217 |
dCtlQHdr = 6, |
| 218 |
dCtlPosition = 16, |
| 219 |
dCtlStorage = 20, |
| 220 |
dCtlRefNum = 24, |
| 221 |
dCtlCurTicks = 26, |
| 222 |
dCtlWindow = 30, |
| 223 |
dCtlDelay = 34, |
| 224 |
dCtlEMask = 36, |
| 225 |
dCtlMenu = 38, |
| 226 |
dCtlSlot = 40, |
| 227 |
dCtlSlotId = 41, |
| 228 |
dCtlDevBase = 42, |
| 229 |
dCtlOwner = 46, |
| 230 |
dCtlExtDev = 50, |
| 231 |
dCtlFillByte = 51, |
| 232 |
dCtlNodeID = 52 |
| 233 |
}; |
| 234 |
|
| 235 |
|
| 236 |
/* |
| 237 |
* Definitions for Deferred Task Manager |
| 238 |
*/ |
| 239 |
|
| 240 |
enum { // DeferredTask struct |
| 241 |
dtFlags = 6, |
| 242 |
dtAddr = 8, |
| 243 |
dtParam = 12, |
| 244 |
dtReserved = 16 |
| 245 |
}; |
| 246 |
|
| 247 |
|
| 248 |
// Definitions for DebugUtil() Selector |
| 249 |
enum { |
| 250 |
duDebuggerGetMax = 0, |
| 251 |
duDebuggerEnter = 1, |
| 252 |
duDebuggerExit = 2, |
| 253 |
duDebuggerPoll = 3, |
| 254 |
duGetPageState = 4, |
| 255 |
duPageFaultFatal = 5, |
| 256 |
duDebuggerLockMemory = 6, |
| 257 |
duDebuggerUnlockMemory = 7, |
| 258 |
duEnterSupervisorMode = 8 |
| 259 |
}; |
| 260 |
|
| 261 |
// Functions |
| 262 |
extern void EnqueueMac(uint32 elem, uint32 list); // Enqueue QElem in list |
| 263 |
extern int FindFreeDriveNumber(int num); // Find first free drive number, starting at "num" |
| 264 |
extern void MountVolume(void *fh); // Mount volume with given file handle (see sys.h) |
| 265 |
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 |
| 266 |
extern uint32 DebugUtil(uint32 Selector); // DebugUtil() Replacement |
| 267 |
|
| 268 |
// Construct four-character-code |
| 269 |
#define FOURCC(a,b,c,d) (((uint32)(a) << 24) | ((uint32)(b) << 16) | ((uint32)(c) << 8) | (uint32)(d)) |
| 270 |
|
| 271 |
// Emulator identification codes (4 and 2 characters) |
| 272 |
const uint32 EMULATOR_ID_4 = 0x62617369; // 'basi' |
| 273 |
const uint16 EMULATOR_ID_2 = 0x6261; // 'ba' |
| 274 |
|
| 275 |
// Test if basic MacOS initializations (of the ROM) are done |
| 276 |
static inline bool HasMacStarted(void) |
| 277 |
{ |
| 278 |
return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C'); // Mac warm start flag |
| 279 |
} |
| 280 |
|
| 281 |
#endif |
