src/include/macos_util.h

/*
 *  macos_util.h - MacOS definitions/utility functions
 *
 *  Basilisk II (C) 1997-2004 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

#include "cpu_emulation.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
};


// Definitions for DebugUtil() Selector
enum {
        duDebuggerGetMax = 0,
        duDebuggerEnter = 1,
        duDebuggerExit = 2,
        duDebuggerPoll = 3,
        duGetPageState = 4,
        duPageFaultFatal = 5,
        duDebuggerLockMemory = 6,
        duDebuggerUnlockMemory = 7,
        duEnterSupervisorMode = 8
};

// 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
extern uint32 DebugUtil(uint32 Selector);                       // DebugUtil() Replacement
extern uint32 TimeToMacTime(time_t t);                          // Convert time_t value to MacOS time

// Construct four-character-code
#define FOURCC(a,b,c,d) (((uint32)(a) << 24) | ((uint32)(b) << 16) | ((uint32)(c) << 8) | (uint32)(d))

// Emulator identification codes (4 and 2 characters)
const uint32 EMULATOR_ID_4 = 0x62617369;                        // 'basi'
const uint16 EMULATOR_ID_2 = 0x6261;                            // 'ba'

// Test if basic MacOS initializations (of the ROM) are done
static inline bool HasMacStarted(void)
{
        return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C');  // Mac warm start flag
}

#endif
Revision:	1.14
Committed:	2004-01-12T15:29:27Z (20 years, 9 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
CVS Tags:	nigel-build-16, nigel-build-15
Changes since 1.13:	+1 -1 lines
Log Message:	Happy New Year! :)
#	User	Rev	Content
1	cebix	1.1	/*
2			* macos_util.h - MacOS definitions/utility functions
3			*
4	cebix	1.14	* Basilisk II (C) 1997-2004 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	cebix	1.6	#include "cpu_emulation.h"
25
26	cebix	1.1
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	cebix	1.2	dskFulErr = -34,
74			nsvErr = -35,
75	cebix	1.1	ioErr = -36,
76	cebix	1.2	bdNamErr = -37,
77			fnOpnErr = -38,
78			eofErr = -39,
79			posErr = -40,
80			tmfoErr = -42,
81			fnfErr = -43,
82	cebix	1.1	wPrErr = -44,
83	cebix	1.2	fLckdErr = -45,
84			fBsyErr = -47,
85			dupFNErr = -48,
86	cebix	1.1	paramErr = -50,
87	cebix	1.2	rfNumErr = -51,
88			permErr = -54,
89	cebix	1.1	nsDrvErr = -56,
90	cebix	1.2	extFSErr = -58,
91	cebix	1.1	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	cebix	1.2	memFullErr = -108,
113			dirNFErr = -120
114	cebix	1.1	};
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	cebix	1.2	ioWPosOffset = 46, // Wide positioning offset when ioPosMode has kWidePosOffsetBit set
177			SIZEOF_IOParam = 50
178	cebix	1.1	};
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	jlachmann	1.9	// 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	cebix	1.1	// Functions
262	cebix	1.3	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	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
266	cebix	1.12	extern uint32 DebugUtil(uint32 Selector); // DebugUtil() Replacement
267			extern uint32 TimeToMacTime(time_t t); // Convert time_t value to MacOS time
268	cebix	1.5
269	cebix	1.10	// Construct four-character-code
270	cebix	1.7	#define FOURCC(a,b,c,d) (((uint32)(a) << 24) \| ((uint32)(b) << 16) \| ((uint32)(c) << 8) \| (uint32)(d))
271
272	cebix	1.8	// Emulator identification codes (4 and 2 characters)
273			const uint32 EMULATOR_ID_4 = 0x62617369; // 'basi'
274			const uint16 EMULATOR_ID_2 = 0x6261; // 'ba'
275
276	cebix	1.6	// Test if basic MacOS initializations (of the ROM) are done
277	cebix	1.5	static inline bool HasMacStarted(void)
278			{
279	cebix	1.7	return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C'); // Mac warm start flag
280	cebix	1.5	}
281	cebix	1.1
282			#endif