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

#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
};


// 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

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

// 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:	1.7
Committed:	2000-07-22T16:07:23Z (24 years, 3 months ago) by cebix
Content type:	text/plain
Branch:	MAIN
Changes since 1.6:	+4 -1 lines
Log Message:	- new FOURCC() macro in macos_util.h
#	Content
1	/*
2	* macos_util.h - MacOS definitions/utility functions
3	*
4	* Basilisk II (C) 1997-2000 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	// Functions
249	extern void EnqueueMac(uint32 elem, uint32 list); // Enqueue QElem in list
250	extern int FindFreeDriveNumber(int num); // Find first free drive number, starting at "num"
251	extern void MountVolume(void *fh); // Mount volume with given file handle (see sys.h)
252	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
253
254	// Construct four-character-code from string
255	#define FOURCC(a,b,c,d) (((uint32)(a) << 24) \| ((uint32)(b) << 16) \| ((uint32)(c) << 8) \| (uint32)(d))
256
257	// Test if basic MacOS initializations (of the ROM) are done
258	static inline bool HasMacStarted(void)
259	{
260	return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C'); // Mac warm start flag
261	}
262
263	#endif