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Moved int13 support to the VWIN32_DIOC_DOS_INT13 ioctl. 

Added support for the floppy parameter table.
This commit is contained in:
Mike McCormack 2002-04-21 22:09:47 +00:00 committed by Alexandre Julliard
parent 00baf1a34c
commit 88dadaec33
2 changed files with 299 additions and 161 deletions
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211
msdos/int13.c
View File

@ -19,20 +19,49 @@
*/
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#ifdef linux
# include <linux/fd.h>
#endif
#include <unistd.h>
#include "winbase.h"
#include "winioctl.h"
#include "miscemu.h"
/* #define DEBUG_INT */
#include "wine/debug.h"
#include "drive.h"
WINE_DEFAULT_DEBUG_CHANNEL(int);
static void DIOCRegs_2_CONTEXT( DIOC_REGISTERS *pIn, CONTEXT86 *pCxt )
{
memset( pCxt, 0, sizeof(*pCxt) );
/* Note: segment registers == 0 means that CTX_SEG_OFF_TO_LIN
will interpret 32-bit register contents as linear pointers */
pCxt->ContextFlags=CONTEXT86_INTEGER|CONTEXT86_CONTROL;
pCxt->Eax = pIn->reg_EAX;
pCxt->Ebx = pIn->reg_EBX;
pCxt->Ecx = pIn->reg_ECX;
pCxt->Edx = pIn->reg_EDX;
pCxt->Esi = pIn->reg_ESI;
pCxt->Edi = pIn->reg_EDI;
/* FIXME: Only partial CONTEXT86_CONTROL */
pCxt->EFlags = pIn->reg_Flags;
}
static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
{
memset( pOut, 0, sizeof(DIOC_REGISTERS) );
pOut->reg_EAX = pCxt->Eax;
pOut->reg_EBX = pCxt->Ebx;
pOut->reg_ECX = pCxt->Ecx;
pOut->reg_EDX = pCxt->Edx;
pOut->reg_ESI = pCxt->Esi;
pOut->reg_EDI = pCxt->Edi;
/* FIXME: Only partial CONTEXT86_CONTROL */
pOut->reg_Flags = pCxt->EFlags;
}
/**********************************************************************
* INT_Int13Handler (WPROCS.119)
*
@ -40,156 +69,28 @@ WINE_DEFAULT_DEBUG_CHANNEL(int);
*/
void WINAPI INT_Int13Handler( CONTEXT86 *context )
{
switch(AH_reg(context))
HANDLE hVWin32;
DIOC_REGISTERS regs;
DWORD dwRet;
hVWin32 = CreateFileA("\\\\.\\VWIN32", GENERIC_READ|GENERIC_WRITE,
0, NULL, OPEN_EXISTING, FILE_FLAG_DELETE_ON_CLOSE, 0);
if(hVWin32!=INVALID_HANDLE_VALUE)
{
case 0x00: /* RESET DISK SYSTEM */
break; /* no return ? */
case 0x01: /* STATUS OF DISK SYSTEM */
AL_reg(context) = 0; /* successful completion */
break;
case 0x02: /* READ SECTORS INTO MEMORY */
AL_reg(context) = 0; /* number of sectors read */
AH_reg(context) = 0; /* status */
break;
case 0x03: /* WRITE SECTORS FROM MEMORY */
break; /* no return ? */
case 0x04: /* VERIFY DISK SECTOR(S) */
AL_reg(context) = 0; /* number of sectors verified */
AH_reg(context) = 0;
break;
CONTEXT_2_DIOCRegs( context, &regs);
case 0x05: /* FORMAT TRACK */
case 0x06: /* FORMAT TRACK AND SET BAD SECTOR FLAGS */
case 0x07: /* FORMAT DRIVE STARTING AT GIVEN TRACK */
/* despite what Ralf Brown says, 0x06 and 0x07 seem to
* set CFLAG, too (at least my BIOS does that) */
AH_reg(context) = 0x0c;
SET_CFLAG(context);
break;
case 0x08: /* GET DRIVE PARAMETERS */
if (DL_reg(context) & 0x80) { /* hard disk ? */
AH_reg(context) = 0x07;
SET_CFLAG(context);
}
else { /* floppy disk */
#ifdef linux
unsigned int i, nr_of_drives = 0;
BYTE drive_nr = DL_reg(context);
int floppy_fd;
struct floppy_drive_params floppy_parm;
char root[] = "A:\\";
AH_reg(context) = 0x00; /* success */
for (i = 0; i < MAX_DOS_DRIVES; i++, root[0]++)
if (GetDriveTypeA(root) == DRIVE_REMOVABLE) nr_of_drives++;
DL_reg(context) = nr_of_drives;
if (drive_nr > 1) { /* invalid drive ? */
BX_reg(context) = 0;
CX_reg(context) = 0;
DH_reg(context) = 0;
break;
}
if ( (floppy_fd = DRIVE_OpenDevice( drive_nr, O_NONBLOCK)) == -1)
{
WARN("(GET DRIVE PARAMETERS): Can't determine floppy geometry !\n");
BX_reg(context) = 0;
CX_reg(context) = 0;
DH_reg(context) = 0;
break;
}
ioctl(floppy_fd, FDGETDRVPRM, &floppy_parm);
close(floppy_fd);
BL_reg(context) = floppy_parm.cmos;
/* CH = low eight bits of max cyl
CL = max sec nr (bits 5-0),
hi two bits of max cyl (bits 7-6)
DH = max head nr */
DH_reg(context) = 0x01;
switch (BL_reg(context))
{
case 0: /* no drive */
CX_reg(context) = 0x0;
DX_reg(context) = 0x0;
break;
case 1: /* 360 K */
CX_reg(context) = 0x2709;
break;
case 2: /* 1.2 M */
CX_reg(context) = 0x4f0f;
break;
case 3: /* 720 K */
CX_reg(context) = 0x4f09;
break;
case 4: /* 1.44 M */
CX_reg(context) = 0x4f12;
break;
case 5:
case 6: /* 2.88 M */
CX_reg(context) = 0x4f24;
break;
}
context->SegEs = 0x0000; /* FIXME: drive parameter table */
DI_reg(context) = 0x0000;
#else
AH_reg(context) = 0x01;
SET_CFLAG(context);
break;
#endif
}
break;
case 0x09: /* INITIALIZE CONTROLLER WITH DRIVE PARAMETERS */
case 0x0a: /* FIXED DISK - READ LONG (XT,AT,XT286,PS) */
case 0x0b: /* FIXED DISK - WRITE LONG (XT,AT,XT286,PS) */
case 0x0c: /* SEEK TO CYLINDER */
case 0x0d: /* ALTERNATE RESET HARD DISKS */
case 0x10: /* CHECK IF DRIVE READY */
case 0x11: /* RECALIBRATE DRIVE */
case 0x14: /* CONTROLLER INTERNAL DIAGNOSTIC */
AH_reg(context) = 0;
break;
case 0x15: /* GET DISK TYPE (AT,XT2,XT286,CONV,PS) */
if (DL_reg(context) & 0x80) { /* hard disk ? */
AH_reg(context) = 3; /* fixed disk */
SET_CFLAG(context);
}
else { /* floppy disk ? */
AH_reg(context) = 2; /* floppy with change detection */
SET_CFLAG(context);
}
break;
case 0x0e: /* READ SECTOR BUFFER (XT only) */
case 0x0f: /* WRITE SECTOR BUFFER (XT only) */
case 0x12: /* CONTROLLER RAM DIAGNOSTIC (XT,PS) */
case 0x13: /* DRIVE DIAGNOSTIC (XT,PS) */
AH_reg(context) = 0x01;
SET_CFLAG(context);
break;
case 0x16: /* FLOPPY - CHANGE OF DISK STATUS */
AH_reg(context) = 0; /* FIXME - no change */
break;
case 0x17: /* SET DISK TYPE FOR FORMAT */
if (DL_reg(context) < 4)
AH_reg(context) = 0x00; /* successful completion */
if(!DeviceIoControl(hVWin32, VWIN32_DIOC_DOS_INT13,
&regs, sizeof regs, &regs, sizeof regs, &dwRet, NULL))
DIOCRegs_2_CONTEXT(&regs, context);
else
AH_reg(context) = 0x01; /* error */
break;
case 0x18: /* SET MEDIA TYPE FOR FORMAT */
if (DL_reg(context) < 4)
AH_reg(context) = 0x00; /* successful completion */
SET_CFLAG(context);
CloseHandle(hVWin32);
}
else
AH_reg(context) = 0x01; /* error */
break;
case 0x19: /* FIXED DISK - PARK HEADS */
default:
INT_BARF( context, 0x13 );
{
ERR("Failed to open device VWIN32\n");
SET_CFLAG(context);
}
}

247
win32/device.c
View File

@ -43,7 +43,15 @@
#include "wine/server.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(win32);
/* int 13 stuff */
#include <sys/ioctl.h>
#include <fcntl.h>
#ifdef linux
# include <linux/fd.h>
#endif
#include "drive.h"
WINE_DEFAULT_DEBUG_CHANNEL(file);
static BOOL DeviceIo_VTDAPI(DWORD dwIoControlCode,
@ -1152,6 +1160,228 @@ static void CONTEXT_2_DIOCRegs( CONTEXT86 *pCxt, DIOC_REGISTERS *pOut )
pOut->reg_Flags = pCxt->EFlags;
}
#define DIOC_AH(regs) (((unsigned char*)&((regs)->reg_EAX))[1])
#define DIOC_AL(regs) (((unsigned char*)&((regs)->reg_EAX))[0])
#define DIOC_BH(regs) (((unsigned char*)&((regs)->reg_EBX))[1])
#define DIOC_BL(regs) (((unsigned char*)&((regs)->reg_EBX))[0])
#define DIOC_DH(regs) (((unsigned char*)&((regs)->reg_EDX))[1])
#define DIOC_DL(regs) (((unsigned char*)&((regs)->reg_EDX))[0])
#define DIOC_AX(regs) (((unsigned short*)&((regs)->reg_EAX))[0])
#define DIOC_BX(regs) (((unsigned short*)&((regs)->reg_EBX))[0])
#define DIOC_CX(regs) (((unsigned short*)&((regs)->reg_ECX))[0])
#define DIOC_DX(regs) (((unsigned short*)&((regs)->reg_EDX))[0])
#define DIOC_SET_CARRY(regs) (((regs)->reg_Flags)|=0x00000001)
static const DWORD VWIN32_DriveTypeInfo[7]={
0x0000, /* none */
0x2709, /* 360 K */
0x4f0f, /* 1.2 M */
0x4f09, /* 720 K */
0x4f12, /* 1.44 M */
0x4f24, /* 2.88 M */
0x4f24 /* 2.88 M */
};
static BYTE floppy_params[2][13] =
{
{ 0xaf, 0x02, 0x25, 0x02, 0x12, 0x1b, 0xff, 0x6c, 0xf6, 0x0f, 0x08 },
{ 0xaf, 0x02, 0x25, 0x02, 0x12, 0x1b, 0xff, 0x6c, 0xf6, 0x0f, 0x08 }
};
/**********************************************************************
* VWIN32_ReadFloppyParams
*
* Handler for int 13h (disk I/O).
*/
static VOID VWIN32_ReadFloppyParams(DIOC_REGISTERS *regs)
{
#ifdef linux
unsigned int i, nr_of_drives = 0;
BYTE drive_nr = DIOC_DL(regs);
int floppy_fd,r;
struct floppy_drive_params floppy_parm;
char root[] = "A:\\";
TRACE("in [ EDX=%08lx ]\n", regs->reg_EDX );
DIOC_AH(regs) = 0x00; /* success */
for (i = 0; i < MAX_DOS_DRIVES; i++, root[0]++)
if (GetDriveTypeA(root) == DRIVE_REMOVABLE) nr_of_drives++;
DIOC_DL(regs) = nr_of_drives;
if (drive_nr > 1) { /* invalid drive ? */
DIOC_BX(regs) = 0;
DIOC_CX(regs) = 0;
DIOC_DH(regs) = 0;
DIOC_SET_CARRY(regs);
return;
}
if ( (floppy_fd = DRIVE_OpenDevice( drive_nr, O_NONBLOCK)) == -1)
{
WARN("Can't determine floppy geometry !\n");
DIOC_BX(regs) = 0;
DIOC_CX(regs) = 0;
DIOC_DH(regs) = 0;
DIOC_SET_CARRY(regs);
return;
}
r = ioctl(floppy_fd, FDGETDRVPRM, &floppy_parm);
close(floppy_fd);
if(r<0)
{
DIOC_SET_CARRY(regs);
return;
}
regs->reg_ECX = 0;
DIOC_AL(regs) = 0;
DIOC_BL(regs) = floppy_parm.cmos;
/* CH = low eight bits of max cyl
CL = max sec nr (bits 5-0),
hi two bits of max cyl (bits 7-6)
DH = max head nr */
if(DIOC_BL(regs) && (DIOC_BL(regs)<7))
{
DIOC_DH(regs) = 0x01;
DIOC_CX(regs) = VWIN32_DriveTypeInfo[DIOC_BL(regs)];
}
else
{
DIOC_CX(regs) = 0x0;
DIOC_DX(regs) = 0x0;
}
regs->reg_EDI = (DWORD)floppy_params[drive_nr];
if(!regs->reg_EDI)
{
ERR("Get floppy params failed for drive %d\n",drive_nr);
DIOC_SET_CARRY(regs);
}
TRACE("out [ EAX=%08lx EBX=%08lx ECX=%08lx EDX=%08lx EDI=%08lx ]\n",
regs->reg_EAX, regs->reg_EBX, regs->reg_ECX, regs->reg_EDX, regs->reg_EDI);
/* FIXME: Word exits quietly if we return with no error. Why? */
FIXME("Returned ERROR!\n");
DIOC_SET_CARRY(regs);
#else
DIOC_AH(regs) = 0x01;
DIOC_SET_CARRY(regs);
#endif
}
/**********************************************************************
* VWIN32_Int13Handler
*
* Handler for VWIN32_DIOC_DOS_INT13 (disk I/O).
*/
static VOID VWIN32_Int13Handler( DIOC_REGISTERS *regs)
{
TRACE("AH=%02x\n",DIOC_AH(regs));
switch(DIOC_AH(regs)) /* AH */
{
case 0x00: /* RESET DISK SYSTEM */
break; /* no return ? */
case 0x01: /* STATUS OF DISK SYSTEM */
DIOC_AL(regs) = 0; /* successful completion */
break;
case 0x02: /* READ SECTORS INTO MEMORY */
DIOC_AL(regs) = 0; /* number of sectors read */
DIOC_AH(regs) = 0; /* status */
break;
case 0x03: /* WRITE SECTORS FROM MEMORY */
break; /* no return ? */
case 0x04: /* VERIFY DISK SECTOR(S) */
DIOC_AL(regs) = 0; /* number of sectors verified */
DIOC_AH(regs) = 0;
break;
case 0x05: /* FORMAT TRACK */
case 0x06: /* FORMAT TRACK AND SET BAD SECTOR FLAGS */
case 0x07: /* FORMAT DRIVE STARTING AT GIVEN TRACK */
/* despite what Ralf Brown says, 0x06 and 0x07 seem to
* set CFLAG, too (at least my BIOS does that) */
DIOC_AH(regs) = 0x0c;
DIOC_SET_CARRY(regs);
break;
case 0x08: /* GET DRIVE PARAMETERS */
if (DIOC_DL(regs) & 0x80) { /* hard disk ? */
DIOC_AH(regs) = 0x07;
DIOC_SET_CARRY(regs);
}
else /* floppy disk */
VWIN32_ReadFloppyParams(regs);
break;
case 0x09: /* INITIALIZE CONTROLLER WITH DRIVE PARAMETERS */
case 0x0a: /* FIXED DISK - READ LONG (XT,AT,XT286,PS) */
case 0x0b: /* FIXED DISK - WRITE LONG (XT,AT,XT286,PS) */
case 0x0c: /* SEEK TO CYLINDER */
case 0x0d: /* ALTERNATE RESET HARD DISKS */
case 0x10: /* CHECK IF DRIVE READY */
case 0x11: /* RECALIBRATE DRIVE */
case 0x14: /* CONTROLLER INTERNAL DIAGNOSTIC */
DIOC_AH(regs) = 0;
break;
case 0x15: /* GET DISK TYPE (AT,XT2,XT286,CONV,PS) */
if (DIOC_DL(regs) & 0x80) { /* hard disk ? */
DIOC_AH(regs) = 3; /* fixed disk */
DIOC_SET_CARRY(regs);
}
else { /* floppy disk ? */
DIOC_AH(regs) = 2; /* floppy with change detection */
DIOC_SET_CARRY(regs);
}
break;
case 0x0e: /* READ SECTOR BUFFER (XT only) */
case 0x0f: /* WRITE SECTOR BUFFER (XT only) */
case 0x12: /* CONTROLLER RAM DIAGNOSTIC (XT,PS) */
case 0x13: /* DRIVE DIAGNOSTIC (XT,PS) */
DIOC_AH(regs) = 0x01;
DIOC_SET_CARRY(regs);
break;
case 0x16: /* FLOPPY - CHANGE OF DISK STATUS */
DIOC_AH(regs) = 0; /* FIXME - no change */
break;
case 0x17: /* SET DISK TYPE FOR FORMAT */
if (DIOC_DL(regs) < 4)
DIOC_AH(regs) = 0x00; /* successful completion */
else
DIOC_AH(regs) = 0x01; /* error */
break;
case 0x18: /* SET MEDIA TYPE FOR FORMAT */
if (DIOC_DL(regs) < 4)
DIOC_AH(regs) = 0x00; /* successful completion */
else
DIOC_AH(regs) = 0x01; /* error */
break;
case 0x19: /* FIXED DISK - PARK HEADS */
break;
default:
FIXME("Unknown VWIN32 INT13 call AX=%04X\n",DIOC_AX(regs));
}
}
static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
LPVOID lpvInBuffer, DWORD cbInBuffer,
@ -1163,8 +1393,17 @@ static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL:
case VWIN32_DIOC_DOS_INT13:
{
DIOC_REGISTERS *pIn = (DIOC_REGISTERS *)lpvInBuffer;
DIOC_REGISTERS *pOut = (DIOC_REGISTERS *)lpvOutBuffer;
memcpy(pOut, pIn, sizeof (DIOC_REGISTERS));
VWIN32_Int13Handler(pOut);
break;
}
case VWIN32_DIOC_DOS_IOCTL:
case VWIN32_DIOC_DOS_INT25:
case VWIN32_DIOC_DOS_INT26:
case VWIN32_DIOC_DOS_DRIVEINFO:
@ -1175,9 +1414,8 @@ static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
TRACE( "Control '%s': "
"eax=0x%08lx, ebx=0x%08lx, ecx=0x%08lx, "
"edx=0x%08lx, esi=0x%08lx, edi=0x%08lx ",
"edx=0x%08lx, esi=0x%08lx, edi=0x%08lx \n",
(dwIoControlCode == VWIN32_DIOC_DOS_IOCTL)? "VWIN32_DIOC_DOS_IOCTL" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT13)? "VWIN32_DIOC_DOS_INT13" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT25)? "VWIN32_DIOC_DOS_INT25" :
(dwIoControlCode == VWIN32_DIOC_DOS_INT26)? "VWIN32_DIOC_DOS_INT26" :
(dwIoControlCode == VWIN32_DIOC_DOS_DRIVEINFO)? "VWIN32_DIOC_DOS_DRIVEINFO" : "???",
@ -1189,7 +1427,6 @@ static BOOL DeviceIo_VWin32(DWORD dwIoControlCode,
switch (dwIoControlCode)
{
case VWIN32_DIOC_DOS_IOCTL: DOS3Call( &cxt ); break; /* Call int 21h */
case VWIN32_DIOC_DOS_INT13: INT_Int13Handler( &cxt ); break;
case VWIN32_DIOC_DOS_INT25: INT_Int25Handler( &cxt ); break;
case VWIN32_DIOC_DOS_INT26: INT_Int26Handler( &cxt ); break;
case VWIN32_DIOC_DOS_DRIVEINFO: DOS3Call( &cxt ); break; /* Call int 21h 730x */