[ViewVC] Diff of: cebix/BasiliskII/src/extfs.cpp

Comparing BasiliskII/src/extfs.cpp (file contents):
Revision 1.18 by cebix, 2000-07-14T21:29:08Z vs.
Revision 1.24 by cebix, 2001-02-02T20:52:57Z

#	Line 1 \| Line 1
1		/*
2		* extfs.cpp - MacOS file system for native file system access
3		*
4	<	* Basilisk II (C) 1997-2000 Christian Bauer
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
#	Line 49 \| Line 49
49		#endif
50
51		#include "cpu_emulation.h"
52	–	#include "macos_util.h"
52		#include "emul_op.h"
53		#include "main.h"
54		#include "disk.h"
#	Line 72 \| Line 71 \| enum {
71		fsHFSProcStub = 6,
72		fsDrvStatus = 12, // Drive Status record
73		fsFSD = 42, // File system descriptor
74	<	fsPB = 238, // IOParam (for mounting and renaming)
74	>	fsPB = 238, // IOParam (for mounting and renaming), also used for temporary storage
75		fsVMI = 288, // VoumeMountInfoHeader (for mounting)
76		fsParseRec = 296, // ParsePathRec struct
77		fsReturn = 306, // Area for return data of 68k routines
#	Line 108 \| Line 107 \| static bool ready = false;
107		static struct stat root_stat;
108
109		// File system ID/media type
110	<	const int16 MY_FSID = 'ba';
111	<	const uint32 MY_MEDIA_TYPE = 'basi';
110	>	const int16 MY_FSID = EMULATOR_ID_2;
111	>	const uint32 MY_MEDIA_TYPE = EMULATOR_ID_4;
112
113		// CNID of root and root's parent
114		const uint32 ROOT_ID = 2;
#	Line 120 \| Line 119 \| const int STACK_SIZE = 0x10000;
119
120		// Allocation block and clump size as reported to MacOS (these are of course
121		// not the real values and have no meaning on the host OS)
122	<	const int ALBLK_SIZE = 0x4000;
122	>	const int AL_BLK_SIZE = 0x4000;
123		const int CLUMP_SIZE = 0x4000;
124
125		// Drive number of our pseudo-drive
#	Line 277 \| Line 276 \| *static void cstr2pstr(char dst, const c**
276		}
277		}
278
280	–	// Convert pascal string to C string
281	–	static void pstr2cstr(char dst, const char src)
282	–	{
283	–	int size = *src++;
284	–	while (size--) {
285	–	char c = *src++;
286	–	// Note: we are converting Mac '/' characters to host ':' characters here
287	–	// '/' is not a path separator as this function is only used on object names
288	–	if (c == '/')
289	–	c = ':';
290	–	*dst++ = c;
291	–	}
292	–	*dst = 0;
293	–	}
294	–
279		// Convert string (no length byte) to C string, length given separately
280		static void strn2cstr(char dst, const char src, int size)
281		{
#	Line 423 \| Line 407 \| void InstallExtFS(void)
407		// FSM present?
408		r.d[0] = gestaltFSAttr;
409		Execute68kTrap(0xa1ad, &r); // Gestalt()
410	<	D(bug("FSAttr %ld, %08lx\n", r.d[0], r.a[0]));
410	>	D(bug("FSAttr %d, %08x\n", r.d[0], r.a[0]));
411		if ((r.d[0] & 0xffff) \|\| !(r.a[0] & (1 << gestaltHasFileSystemManager))) {
412		printf("WARNING: No FSM present, disabling ExtFS\n");
413		return;
#	Line 432 \| Line 416 \| void InstallExtFS(void)
416		// Yes, version >=1.2?
417		r.d[0] = gestaltFSMVersion;
418		Execute68kTrap(0xa1ad, &r); // Gestalt()
419	<	D(bug("FSMVersion %ld, %08lx\n", r.d[0], r.a[0]));
419	>	D(bug("FSMVersion %d, %08x\n", r.d[0], r.a[0]));
420		if ((r.d[0] & 0xffff) \|\| (r.a[0] < 0x0120)) {
421		printf("WARNING: FSM <1.2 found, disabling ExtFS\n");
422		return;
#	Line 702 \| Line 686 \| int16 ExtFSComm(uint16 message, uint32 p
686		}
687
688		case ffsIDDiskMessage: { // Check if volume is handled by our FS
689	<	if (ReadMacInt16(paramBlock + ioVRefNum) == drive_number)
689	>	if ((int16)ReadMacInt16(paramBlock + ioVRefNum) == drive_number)
690		return noErr;
691		else
692		return extFSErr;
#	Line 966 \| Line 950 \| static uint32 find_fcb(int16 refNum)
950		static int16 fs_mount_vol(uint32 pb)
951		{
952		D(bug(" fs_mount_vol(%08lx), vRefNum %d\n", pb, ReadMacInt16(pb + ioVRefNum)));
953	<	if (ReadMacInt16(pb + ioVRefNum) == drive_number)
953	>	if ((int16)ReadMacInt16(pb + ioVRefNum) == drive_number)
954		return noErr;
955		else
956		return extFSErr;
#	Line 1002 \| Line 986 \| static int16 fs_volume_mount(uint32 pb)
986		WriteMacInt16(vcb + vcbNmRtDirs, 1); //!!
987		WriteMacInt16(vcb + vcbNmAlBlks, 0xffff); //!!
988		WriteMacInt32(vcb + vcbAlBlkSiz, AL_BLK_SIZE);
989	<	WriteMacInt32(vcb + vcbClpSiz, CLUMPSIZE);
989	>	WriteMacInt32(vcb + vcbClpSiz, CLUMP_SIZE);
990		WriteMacInt32(vcb + vcbNxtCNID, next_cnid);
991		WriteMacInt16(vcb + vcbFreeBks, 0xffff); //!!
992		Host2Mac_memcpy(vcb + vcbVN, VOLUME_NAME, 28);
#	Line 1253 \| Line 1237 \| read_next_de:
1237		#endif
1238		WriteMacInt32(pb + ioFlMdDat, st.st_mtime + TIME_OFFSET);
1239
1240	<	Mac_memset(pb + ioFlFndrInfo, 0, SIZEOF_FInfo);
1257	<	uint32 type, creator; // pb may point to kernel space, but stack is switched
1258	<	get_finder_type(full_path, type, creator);
1259	<	WriteMacInt32(pb + ioFlFndrInfo + fdType, type);
1260	<	WriteMacInt32(pb + ioFlFndrInfo + fdCreator, creator);
1261	<	uint16 fflags;
1262	<	get_finder_flags(full_path, fflags);
1263	<	WriteMacInt16(pb + ioFlFndrInfo + fdFlags, fflags);
1240	>	get_finfo(full_path, pb + ioFlFndrInfo, hfs ? pb + ioFlXFndrInfo : 0);
1241
1242		WriteMacInt16(pb + ioFlStBlk, 0);
1243		WriteMacInt32(pb + ioFlLgLen, st.st_size);
#	Line 1272 \| Line 1249 \| read_next_de:
1249
1250		if (hfs) {
1251		WriteMacInt32(pb + ioFlBkDat, 0);
1275	–	Mac_memset(pb + ioFlXFndrInfo, 0, SIZEOF_FXInfo);
1252		WriteMacInt32(pb + ioFlParID, fs_item->parent_id);
1253		WriteMacInt32(pb + ioFlClpSiz, 0);
1254		}
#	Line 1297 \| Line 1273 \| static int16 fs_set_file_info(uint32 pb,
1273		if (S_ISDIR(st.st_mode))
1274		return fnfErr;
1275
1276	<	// Set attributes
1277	<	set_finder_type(full_path, ReadMacInt32(pb + ioFlFndrInfo + fdType), ReadMacInt32(pb + ioFlFndrInfo + fdCreator));
1278	<	set_finder_flags(full_path, ReadMacInt16(pb + ioFlFndrInfo + fdFlags));
1276	>	// Set Finder info
1277	>	set_finfo(full_path, pb + ioFlFndrInfo, hfs ? pb + ioFlXFndrInfo : 0);
1278	>
1279		//!! times
1280		return noErr;
1281		}
#	Line 1389 \| Line 1365 \| read_next_de:
1365		}
1366		WriteMacInt32(pb + ioFlMdDat, mtime + TIME_OFFSET);
1367		WriteMacInt32(pb + ioFlBkDat, 0);
1368	+
1369	+	get_finfo(full_path, pb + ioFlFndrInfo, pb + ioFlXFndrInfo);
1370	+
1371		if (S_ISDIR(st.st_mode)) {
1393	–	Mac_memset(pb + ioDrUsrWds, 0, SIZEOF_DInfo);
1394	–	Mac_memset(pb + ioDrFndrInfo, 0, SIZEOF_DXInfo);
1395	–	uint16 fflags; // pb may point to kernel space, but stack is switched
1396	–	get_finder_flags(full_path, fflags);
1397	–	WriteMacInt16(pb + ioDrUsrWds + frFlags, fflags);
1372
1373		// Determine number of files in directory (cached)
1374		int count;
#	Line 1419 \| Line 1393 \| read_next_de:
1393		}
1394		WriteMacInt16(pb + ioDrNmFls, count);
1395		} else {
1422	–	Mac_memset(pb + ioFlFndrInfo, 0, SIZEOF_FInfo);
1423	–	Mac_memset(pb + ioFlXFndrInfo, 0, SIZEOF_FXInfo);
1424	–	uint32 type, creator; // pb may point to kernel space, but stack is switched
1425	–	get_finder_type(full_path, type, creator);
1426	–	WriteMacInt32(pb + ioFlFndrInfo + fdType, type);
1427	–	WriteMacInt32(pb + ioFlFndrInfo + fdCreator, creator);
1428	–	uint16 fflags;
1429	–	get_finder_flags(full_path, fflags);
1430	–	WriteMacInt16(pb + ioFlFndrInfo + fdFlags, fflags);
1396		WriteMacInt16(pb + ioFlStBlk, 0);
1397		WriteMacInt32(pb + ioFlLgLen, st.st_size);
1398		WriteMacInt32(pb + ioFlPyLen, (st.st_size \| (AL_BLK_SIZE - 1)) + 1);
#	Line 1456 \| Line 1421 \| static int16 fs_set_cat_info(uint32 pb)
1421		if (stat(full_path, &st) < 0)
1422		return errno2oserr();
1423
1424	<	// Set attributes
1425	<	if (S_ISDIR(st.st_mode)) {
1426	<	set_finder_flags(full_path, ReadMacInt16(pb + ioDrUsrWds + frFlags));
1462	<	} else {
1463	<	set_finder_type(full_path, ReadMacInt32(pb + ioFlFndrInfo + fdType), ReadMacInt32(pb + ioFlFndrInfo + fdCreator));
1464	<	set_finder_flags(full_path, ReadMacInt16(pb + ioFlFndrInfo + fdFlags));
1465	<	}
1424	>	// Set Finder info
1425	>	set_finfo(full_path, pb + ioFlFndrInfo, pb + ioFlXFndrInfo);
1426	>
1427		//!! times
1428		return noErr;
1429		}
#	Line 1548 \| Line 1509 \| static int16 fs_open(uint32 pb, uint32 d
1509		WriteMacInt32(fcb + fcbCrPs, 0);
1510		WriteMacInt32(fcb + fcbVPtr, vcb);
1511		WriteMacInt32(fcb + fcbClmpSize, CLUMP_SIZE);
1512	<	uint32 type, creator; // BeOS: fcb may point to kernel space, but stack is switched
1513	<	get_finder_type(full_path, type, creator);
1514	<	WriteMacInt32(fcb + fcbFType, type);
1512	>
1513	>	get_finfo(full_path, fs_data + fsPB, 0);
1514	>	WriteMacInt32(fcb + fcbFType, ReadMacInt32(fs_data + fsPB + fdType));
1515	>
1516		WriteMacInt32(fcb + fcbCatPos, fd);
1517		WriteMacInt32(fcb + fcbDirID, fs_item->parent_id);
1518		cstr2pstr((char *)Mac2HostAddr(fcb + fcbCName), fs_item->name);
#	Line 1606 \| Line 1568 \| static int16 fs_get_fcb_info(uint32 pb,
1568
1569		// Find FCB by index
1570		WriteMacInt16(pb + ioRefNum, 0);
1571	<	for (int i=0; i<ReadMacInt16(pb + ioFCBIndx); i++) {
1571	>	for (int i=0; i<(int)ReadMacInt16(pb + ioFCBIndx); i++) {
1572		D(bug(" indexing FCBs\n"));
1573		r.a[0] = vcb;
1574		r.a[1] = pb + ioRefNum;
#	Line 1825 \| Line 1787 \| static int16 fs_read(uint32 pb)
1787		uint32 pos = lseek(fd, 0, SEEK_CUR);
1788		WriteMacInt32(fcb + fcbCrPs, pos);
1789		WriteMacInt32(pb + ioPosOffset, pos);
1790	<	if (actual != ReadMacInt32(pb + ioReqCount))
1790	>	if (actual != (ssize_t)ReadMacInt32(pb + ioReqCount))
1791		return actual < 0 ? read_err : eofErr;
1792		else
1793		return noErr;
#	Line 1878 \| Line 1840 \| static int16 fs_write(uint32 pb)
1840		uint32 pos = lseek(fd, 0, SEEK_CUR);
1841		WriteMacInt32(fcb + fcbCrPs, pos);
1842		WriteMacInt32(pb + ioPosOffset, pos);
1843	<	if (actual != ReadMacInt32(pb + ioReqCount))
1843	>	if (actual != (ssize_t)ReadMacInt32(pb + ioReqCount))
1844		return write_err;
1845		else
1846		return noErr;

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Comparing BasiliskII/src/extfs.cpp (file contents): Revision 1.18 by cebix, 2000-07-14T21:29:08Z vs. Revision 1.24 by cebix, 2001-02-02T20:52:57Z

Diff Legend

Comparing BasiliskII/src/extfs.cpp (file contents):
Revision 1.18 by cebix, 2000-07-14T21:29:08Z vs.
Revision 1.24 by cebix, 2001-02-02T20:52:57Z