src/include/macos_util.h

/*
 *  macos_util.h - MacOS definitions/utility functions
 *
 *  Basilisk II (C) 1997-2000 Christian Bauer
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef MACOS_UTIL_H
#define MACOS_UTIL_H


/*
 *  Queues
 */

enum {  // Queue types
        dummyType       = 0,
        vType           = 1,
        ioQType         = 2,
        drvQType        = 3,
        evType          = 4,
        fsQType         = 5,
        sIQType         = 6,
        dtQType         = 7,
        nmType          = 8
};

enum {  // QElem struct
        qLink = 0,
        qType = 4,
        qData = 6
};

enum {  // QHdr struct
        qFlags = 0,
        qHead = 2,
        qTail = 6
};


/*
 *  Definitions for Device Manager
 */

// Error codes
enum {
        noErr                   = 0,
        controlErr              = -17,
        statusErr               = -18,
        readErr                 = -19,
        writErr                 = -20,
        badUnitErr              = -21,
        unitEmptyErr    = -22,
        openErr                 = -23,
        closErr                 = -24,
        abortErr                = -27,
        notOpenErr              = -28,
        dskFulErr               = -34,
        nsvErr                  = -35,
        ioErr                   = -36,
        bdNamErr                = -37,
        fnOpnErr                = -38,
        eofErr                  = -39,
        posErr                  = -40,
        tmfoErr                 = -42,
        fnfErr                  = -43,
        wPrErr                  = -44,
        fLckdErr                = -45,
        fBsyErr                 = -47,
        dupFNErr                = -48,
        paramErr                = -50,
        rfNumErr                = -51,
        permErr                 = -54,
        nsDrvErr                = -56,
        extFSErr                = -58,
        noDriveErr              = -64,
        offLinErr               = -65,
        noNybErr                = -66,
        noAdrMkErr              = -67,
        dataVerErr              = -68,
        badCksmErr              = -69,
        badBtSlpErr             = -70,
        noDtaMkErr              = -71,
        badDCksum               = -72,
        badDBtSlp               = -73,
        wrUnderrun              = -74,
        cantStepErr             = -75,
        tk0BadErr               = -76,
        initIWMErr              = -77,
        twoSideErr              = -78,
        spdAdjErr               = -79,
        seekErr                 = -80,
        sectNFErr               = -81,
        fmt1Err                 = -82,
        fmt2Err                 = -83,
        verErr                  = -84,
        memFullErr              = -108,
        dirNFErr                = -120
};

// Misc constants
enum {
        goodbye                 = -1,

        ioInProgress    = 1,
        aRdCmd                  = 2,
        aWrCmd                  = 3,
        asyncTrpBit             = 10,
        noQueueBit              = 9,

        dReadEnable             = 0,
        dWritEnable             = 1,
        dCtlEnable              = 2,
        dStatEnable             = 3,
        dNeedGoodBye    = 4,
        dNeedTime               = 5,
        dNeedLock               = 6,

        dOpened                 = 5,
        dRAMBased               = 6,
        drvrActive              = 7,

        rdVerify                = 64,

        fsCurPerm               = 0,
        fsRdPerm                = 1,
        fsWrPerm                = 2,
        fsRdWrPerm              = 3,
        fsRdWrShPerm    = 4,

        fsAtMark                = 0,
        fsFromStart             = 1,
        fsFromLEOF              = 2,
        fsFromMark              = 3,

        sony                    = 0,
        hard20                  = 1
};

enum {  // Large volume constants
        kWidePosOffsetBit       = 8,
        kMaximumBlocksIn4GB     = 0x007fffff
};

enum {  // IOParam struct
        ioTrap = 6,
        ioCmdAddr = 8,
        ioCompletion = 12,
        ioResult = 16,
        ioNamePtr = 18,
        ioVRefNum = 22,
        ioRefNum = 24,
        ioVersNum = 26,
        ioPermssn = 27,
        ioMisc = 28,
        ioBuffer = 32,
        ioReqCount = 36,
        ioActCount = 40,
        ioPosMode = 44,
        ioPosOffset = 46,
        ioWPosOffset = 46,      // Wide positioning offset when ioPosMode has kWidePosOffsetBit set
        SIZEOF_IOParam = 50
};

enum {  // CntrlParam struct
        csCode = 26,
        csParam = 28
};

enum {  // DrvSts struct
        dsTrack = 0,
        dsWriteProt = 2,
        dsDiskInPlace = 3,
        dsInstalled = 4,
        dsSides = 5,
        dsQLink = 6,
        dsQType = 10,
        dsQDrive = 12,
        dsQRefNum = 14,
        dsQFSID = 16,
        dsTwoSideFmt = 18,
        dsNewIntf = 19,
        dsDiskErrs = 20,
        dsMFMDrive = 22,
        dsMFMDisk = 23,
        dsTwoMegFmt = 24
};

enum {  // DrvSts2 struct
        dsDriveSize = 18,
        dsDriveS1 = 20,
        dsDriveType = 22,
        dsDriveManf = 24,
        dsDriveChar = 26,
        dsDriveMisc = 28,
        SIZEOF_DrvSts = 30
};

enum {  // DCtlEntry struct
        dCtlDriver = 0,
        dCtlFlags = 4,
        dCtlQHdr = 6,
        dCtlPosition = 16,
        dCtlStorage = 20,
        dCtlRefNum = 24,
        dCtlCurTicks = 26,
        dCtlWindow = 30,
        dCtlDelay = 34,
        dCtlEMask = 36,
        dCtlMenu = 38,
        dCtlSlot = 40,
        dCtlSlotId = 41,
        dCtlDevBase = 42,
        dCtlOwner = 46,
        dCtlExtDev = 50,
        dCtlFillByte = 51,
        dCtlNodeID = 52
};


/*
 *  Definitions for Deferred Task Manager
 */

enum {  // DeferredTask struct
        dtFlags = 6,
        dtAddr = 8,
        dtParam = 12,
        dtReserved = 16
};


// Functions
extern void EnqueueMac(uint32 elem, uint32 list);       // Enqueue QElem in list
extern int FindFreeDriveNumber(int num);                        // Find first free drive number, starting at "num"
extern void MountVolume(void *fh);                                      // Mount volume with given file handle (see sys.h)
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

// Test if basic MacOS initializations are done
static inline bool HasMacStarted(void)
{
        return ReadMacInt32(0xcfc) == 'WLSC';   // Mac warm start flag
}

#endif
Revision:	1.5
Committed:	2000-07-14T21:29:15Z (24 years, 4 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
Changes since 1.4:	+6 -1 lines
Log Message:	- AmigaOS bug fixes by J.Lachmann (floppy, 2060scsi.device, "Add Volume" in prefs editor) - imported some changes from the Windows source (1Hz interrupt, FPU fixes)
#	User	Rev	Content
1	cebix	1.1	/*
2			* macos_util.h - MacOS definitions/utility functions
3			*
4	cebix	1.4	* Basilisk II (C) 1997-2000 Christian Bauer
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
25			/*
26			* Queues
27			*/
28
29			enum { // Queue types
30			dummyType = 0,
31			vType = 1,
32			ioQType = 2,
33			drvQType = 3,
34			evType = 4,
35			fsQType = 5,
36			sIQType = 6,
37			dtQType = 7,
38			nmType = 8
39			};
40
41			enum { // QElem struct
42			qLink = 0,
43			qType = 4,
44			qData = 6
45			};
46
47			enum { // QHdr struct
48			qFlags = 0,
49			qHead = 2,
50			qTail = 6
51			};
52
53
54			/*
55			* Definitions for Device Manager
56			*/
57
58			// Error codes
59			enum {
60			noErr = 0,
61			controlErr = -17,
62			statusErr = -18,
63			readErr = -19,
64			writErr = -20,
65			badUnitErr = -21,
66			unitEmptyErr = -22,
67			openErr = -23,
68			closErr = -24,
69			abortErr = -27,
70			notOpenErr = -28,
71	cebix	1.2	dskFulErr = -34,
72			nsvErr = -35,
73	cebix	1.1	ioErr = -36,
74	cebix	1.2	bdNamErr = -37,
75			fnOpnErr = -38,
76			eofErr = -39,
77			posErr = -40,
78			tmfoErr = -42,
79			fnfErr = -43,
80	cebix	1.1	wPrErr = -44,
81	cebix	1.2	fLckdErr = -45,
82			fBsyErr = -47,
83			dupFNErr = -48,
84	cebix	1.1	paramErr = -50,
85	cebix	1.2	rfNumErr = -51,
86			permErr = -54,
87	cebix	1.1	nsDrvErr = -56,
88	cebix	1.2	extFSErr = -58,
89	cebix	1.1	noDriveErr = -64,
90			offLinErr = -65,
91			noNybErr = -66,
92			noAdrMkErr = -67,
93			dataVerErr = -68,
94			badCksmErr = -69,
95			badBtSlpErr = -70,
96			noDtaMkErr = -71,
97			badDCksum = -72,
98			badDBtSlp = -73,
99			wrUnderrun = -74,
100			cantStepErr = -75,
101			tk0BadErr = -76,
102			initIWMErr = -77,
103			twoSideErr = -78,
104			spdAdjErr = -79,
105			seekErr = -80,
106			sectNFErr = -81,
107			fmt1Err = -82,
108			fmt2Err = -83,
109			verErr = -84,
110	cebix	1.2	memFullErr = -108,
111			dirNFErr = -120
112	cebix	1.1	};
113
114			// Misc constants
115			enum {
116			goodbye = -1,
117
118			ioInProgress = 1,
119			aRdCmd = 2,
120			aWrCmd = 3,
121			asyncTrpBit = 10,
122			noQueueBit = 9,
123
124			dReadEnable = 0,
125			dWritEnable = 1,
126			dCtlEnable = 2,
127			dStatEnable = 3,
128			dNeedGoodBye = 4,
129			dNeedTime = 5,
130			dNeedLock = 6,
131
132			dOpened = 5,
133			dRAMBased = 6,
134			drvrActive = 7,
135
136			rdVerify = 64,
137
138			fsCurPerm = 0,
139			fsRdPerm = 1,
140			fsWrPerm = 2,
141			fsRdWrPerm = 3,
142			fsRdWrShPerm = 4,
143
144			fsAtMark = 0,
145			fsFromStart = 1,
146			fsFromLEOF = 2,
147			fsFromMark = 3,
148
149			sony = 0,
150			hard20 = 1
151			};
152
153			enum { // Large volume constants
154			kWidePosOffsetBit = 8,
155			kMaximumBlocksIn4GB = 0x007fffff
156			};
157
158			enum { // IOParam struct
159			ioTrap = 6,
160			ioCmdAddr = 8,
161			ioCompletion = 12,
162			ioResult = 16,
163			ioNamePtr = 18,
164			ioVRefNum = 22,
165			ioRefNum = 24,
166			ioVersNum = 26,
167			ioPermssn = 27,
168			ioMisc = 28,
169			ioBuffer = 32,
170			ioReqCount = 36,
171			ioActCount = 40,
172			ioPosMode = 44,
173			ioPosOffset = 46,
174	cebix	1.2	ioWPosOffset = 46, // Wide positioning offset when ioPosMode has kWidePosOffsetBit set
175			SIZEOF_IOParam = 50
176	cebix	1.1	};
177
178			enum { // CntrlParam struct
179			csCode = 26,
180			csParam = 28
181			};
182
183			enum { // DrvSts struct
184			dsTrack = 0,
185			dsWriteProt = 2,
186			dsDiskInPlace = 3,
187			dsInstalled = 4,
188			dsSides = 5,
189			dsQLink = 6,
190			dsQType = 10,
191			dsQDrive = 12,
192			dsQRefNum = 14,
193			dsQFSID = 16,
194			dsTwoSideFmt = 18,
195			dsNewIntf = 19,
196			dsDiskErrs = 20,
197			dsMFMDrive = 22,
198			dsMFMDisk = 23,
199			dsTwoMegFmt = 24
200			};
201
202			enum { // DrvSts2 struct
203			dsDriveSize = 18,
204			dsDriveS1 = 20,
205			dsDriveType = 22,
206			dsDriveManf = 24,
207			dsDriveChar = 26,
208			dsDriveMisc = 28,
209			SIZEOF_DrvSts = 30
210			};
211
212			enum { // DCtlEntry struct
213			dCtlDriver = 0,
214			dCtlFlags = 4,
215			dCtlQHdr = 6,
216			dCtlPosition = 16,
217			dCtlStorage = 20,
218			dCtlRefNum = 24,
219			dCtlCurTicks = 26,
220			dCtlWindow = 30,
221			dCtlDelay = 34,
222			dCtlEMask = 36,
223			dCtlMenu = 38,
224			dCtlSlot = 40,
225			dCtlSlotId = 41,
226			dCtlDevBase = 42,
227			dCtlOwner = 46,
228			dCtlExtDev = 50,
229			dCtlFillByte = 51,
230			dCtlNodeID = 52
231			};
232
233
234			/*
235			* Definitions for Deferred Task Manager
236			*/
237
238			enum { // DeferredTask struct
239			dtFlags = 6,
240			dtAddr = 8,
241			dtParam = 12,
242			dtReserved = 16
243			};
244
245
246			// Functions
247	cebix	1.3	extern void EnqueueMac(uint32 elem, uint32 list); // Enqueue QElem in list
248			extern int FindFreeDriveNumber(int num); // Find first free drive number, starting at "num"
249			extern void MountVolume(void *fh); // Mount volume with given file handle (see sys.h)
250	cebix	1.1	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
251	cebix	1.5
252			// Test if basic MacOS initializations are done
253			static inline bool HasMacStarted(void)
254			{
255			return ReadMacInt32(0xcfc) == 'WLSC'; // Mac warm start flag
256			}
257	cebix	1.1
258			#endif