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a69b88b2f2
Sun Mar 15 03:46:50 1998 Dimitrie O. Paun <dimi@mail.cs.toronto.edu> * [*/*] Fixed some dprintf_ such that there is one and only one new line for each dprintf and that new line occurs at the end. Transformed some fprintfs into proper debug statements. Removed much redundancy from most of the debug statements. The redundancy appeared because now the component and function name is output automatically. Most debug statements also used to output the name of the function. All these changes prepared the source to switch completely to the new debugging interface. For more info, refer to ./documentation/debug-msg Sat Mar 14 19:45:23 1997 Andreas Mohr <100.30936@germany.net> * [misc/shell.c] [if1632/kernel.spec] Changed parameters of FUNC004() to fix a crash. Not sure if this fix is correct (doc wanted). * [windows/user.c] [if1632/user.spec] [include/user.h] Implemented UserSeeUserDo. * [msdos/int21.c] [include/msdos.h] Added "GET LIST OF LISTS" (INT 21/52h). Sat Mar 14 15:48:02 1998 Douglas Ridgway <ridgway@gmcl.com> * [include/windows.h] [relay32/gdi32.spec] [objects/enhmetafile.c] Beginnings of enhanced metafile support. Fri Mar 13 20:53:09 1998 John Richardson <jrichard@zko.dec.com> * [win32/console.c] Restart interrupted console writes. Fri Mar 13 18:59:24 1998 Matthew Becker <mbecker@glasscity.net> * [*/*.c] Updated documentation for API manpages. * [windows/dce.c] ReleaseDC16: Fixed cast. * [include/windows.h] [memory/virtual.c] VirtualQuery{Ex} should return DWORD instead of BOOL32. Fri Mar 13 13:03:06 1998 Marcus Meissner <msmeissn@cip.informatik.uni-erlangen.de> * [README][documentation/status/] README updated, added lzexpand,version and multimedia status notes to new documentation/status directory. * [ole/*.c][if1632/typelib.spec] Added typelib stubs, several small additions and fixes. * [loader/pe_image.c] Fixed a small bug (fixup_imports got passed the wrong hModule in a remapcase). * [loader/signal.c][if1632/signal.c][misc/winsock_dns.c] [loader/module.c] Fixed some recursive debugger crashes (caused by invalid FS). * [misc/registry.c] Two bugs fixed. Fri Mar 13 04:55:01 1998 David Lee Lambert <lamber45@egr.msu.edu> * [include/winnt.h] [include/winnls.h] Moved LANG_xxx flags to winnls.h * [include/winnls.h] Added flags for GetDateFormat(); fixed validity of LOCALE_SYSTEM_DEFAULT. * [include/windows.h] Added GetTimeFormat() prototypes. * [ole/ole2nls.c] Implemented ASCII date- and time-functions, using an optimized common core; added stubs for Unicode versions; started work on a Unicode core. * [AUTHORS] Added my name. Mon Mar 9 20:10:15 1998 Eric Kohl <ekohl@abo.rhein-zeitung.de> * [relay32/comctl32.spec] [include/imagelist.h] [include/commctrl.h] [misc/imagelist.c] [misc/Makefile.in] First attempt at implementing ImageLists. Sun Mar 8 20:19:49 1998 Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de> * [files/dos_fs.c] [configure.in] Try to get FileTimeToLocalFileTime,FileTimeToSystemTime and SystemTimeToFileTime right. Use timegm() where available. * [misc/lstr.c] Fix an off by one error in FormatMessage and handle the case when args = NULL (used by programs to get the length of the string). * [win32/console.c] Actual display a per-process Title string, better working attempt for WriteConsole32W and ReadConsole32W. Fri Mar 6 20:33:45 1998 Slaven Rezic <eserte@cs.tu-berlin.de> * [include/config.h.in][configure.in][multimedia/audio.c] [multimedia/dsound.c] Added check for FreeBSD sound system. Sun Mar 1 17:40:10 1998 Jason Schonberg <schon@mti.sgi.com> * [controls/edit.c] [include/ole.h] [include/shlobj.h] Removed final commas in enum types. Mon Feb 23 07:52:18 1998 Luiz Otavio L. Zorzella <zorzella@nr.conexware.com> * [multimedia/time.c] Workaround to avoid infinite recursion inside timeGetTime. * [multimedia/audio.c] WODM_GETNUMDEVS and WIDM_GETNUMDEVS only return 1 now if the SOUND_DEV can be opened, or if it's busy.
152 lines
4.5 KiB
C
152 lines
4.5 KiB
C
/*
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* BIOS interrupt 13h handler
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#ifdef linux
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#include <linux/fd.h>
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#endif
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#include "miscemu.h"
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/* #define DEBUG_INT */
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#include "debug.h"
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#include "drive.h"
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/**********************************************************************
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* INT_Int13Handler
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*
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* Handler for int 13h (disk I/O).
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*/
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void WINAPI INT_Int13Handler( CONTEXT *context )
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{
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switch(AH_reg(context))
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{
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case 0x00: /* RESET DISK SYSTEM */
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case 0x04: /* VERIFY DISK SECTOR(S) */
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AH_reg(context) = 0;
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break;
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case 0x05: /* FORMAT TRACK */
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case 0x06: /* FORMAT TRACK AND SET BAD SECTOR FLAGS */
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case 0x07: /* FORMAT DRIVE STARTING AT GIVEN TRACK */
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/* despite what Ralf Brown says, 0x06 and 0x07 seem to
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* set CFLAG, too (at least my BIOS does that) */
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AH_reg(context) = 0x0c;
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SET_CFLAG(context);
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break;
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case 0x08: /* GET DRIVE PARAMETERS */
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if (DL_reg(context) & 0x80) { /* hard disk ? */
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AH_reg(context) = 0x07;
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SET_CFLAG(context);
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}
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else { /* floppy disk */
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#ifdef linux
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unsigned int i, nr_of_drives = 0;
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BYTE drive_nr = DL_reg(context);
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int floppy_fd;
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struct floppy_drive_params floppy_parm;
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AH_reg(context) = 0x00; /* success */
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for (i = 0; i < MAX_DOS_DRIVES; i++)
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if (DRIVE_GetType(i) == TYPE_FLOPPY) nr_of_drives++;
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DL_reg(context) = nr_of_drives;
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if (drive_nr > 1) { /* invalid drive ? */
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BX_reg(context) = 0;
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CX_reg(context) = 0;
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DH_reg(context) = 0;
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break;
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}
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if ( (floppy_fd = DRIVE_OpenDevice( drive_nr, O_NONBLOCK)) == -1)
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{
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fprintf(stderr, "INT 0x13 (GET DRIVE PARAMETERS): can't determine floppy geometry !\n");
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BX_reg(context) = 0;
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CX_reg(context) = 0;
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DH_reg(context) = 0;
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break;
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}
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ioctl(floppy_fd, FDGETDRVPRM, &floppy_parm);
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close(floppy_fd);
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BL_reg(context) = floppy_parm.cmos;
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/* CH = low eight bits of max cyl
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CL = max sec nr (bits 5-0),
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hi two bits of max cyl (bits 7-6)
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DH = max head nr */
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DH_reg(context) = 0x01;
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switch (BL_reg(context))
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{
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case 0: /* no drive */
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CX_reg(context) = 0x0;
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DX_reg(context) = 0x0;
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break;
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case 1: /* 360 K */
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CX_reg(context) = 0x2709;
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break;
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case 2: /* 1.2 M */
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CX_reg(context) = 0x4f0f;
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break;
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case 3: /* 720 K */
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CX_reg(context) = 0x4f09;
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break;
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case 4: /* 1.44 M */
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CX_reg(context) = 0x4f12;
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break;
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case 5:
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case 6: /* 2.88 M */
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CX_reg(context) = 0x4f24;
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break;
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}
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ES_reg(context) = 0x0000; /* FIXME: drive parameter table */
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DI_reg(context) = 0x0000;
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#else
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AH_reg(context) = 0x01;
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SET_CFLAG(context);
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break;
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#endif
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}
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break;
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case 0x09: /* INITIALIZE CONTROLLER WITH DRIVE PARAMETERS */
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case 0x0c: /* SEEK TO CYLINDER */
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case 0x0d: /* RESET HARD DISKS */
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case 0x10: /* CHECK IF DRIVE READY */
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case 0x11: /* RECALIBRATE DRIVE */
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case 0x14: /* CONTROLLER INTERNAL DIAGNOSTIC */
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AH_reg(context) = 0;
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break;
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case 0x0e: /* READ SECTOR BUFFER (XT only) */
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case 0x0f: /* WRITE SECTOR BUFFER (XT only) */
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case 0x12: /* CONTROLLER RAM DIAGNOSTIC (XT,PS) */
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case 0x13: /* DRIVE DIAGNOSTIC (XT,PS) */
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AH_reg(context) = 0x01;
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SET_CFLAG(context);
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break;
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case 0x17: /* SET DISK TYPE FOR FORMAT */
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if (DL_reg(context) < 4)
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AH_reg(context) = 0x00; /* successful completion */
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else
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AH_reg(context) = 0x01; /* error */
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break;
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case 0x18:
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if (DL_reg(context) < 4)
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AH_reg(context) = 0x00; /* successful completion */
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else
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AH_reg(context) = 0x01; /* error */
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break;
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default:
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INT_BARF( context, 0x13 );
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}
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}
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