STATUS usrFdConfig
(
int drive, /* drive number of floppy disk (0 - 3) */
int type, /* type of floppy disk */
char * fileName /* mount point */
)
{
BLK_DEV *pBootDev;
CBIO_DEV_ID cbio ;
char bootDir [BOOT_FILE_LEN];
if( type == NONE)
return OK;
if ((UINT)drive >= FD_MAX_DRIVES)
{
printErr ("drive is out of range (0-%d).\n", FD_MAX_DRIVES - 1);
return (ERROR);
}
/* create a block device spanning entire disk (non-distructive!) */
if ((pBootDev = fdDevCreate (drive, type, 0, 0)) == NULL)
{
printErr ("fdDevCreate failed.\n");
return (ERROR);
}
/* create a disk cache to speed up Floppy operation */
cbio = dcacheDevCreate( (CBIO_DEV_ID) pBootDev, NULL,
FD_CACHE_SIZE, bootDir );
if( cbio == NULL )
{
/* insufficient memory, will avoid the cache */
cbio = cbioWrapBlkDev (pBootDev);
}
/* split off boot device from boot file */
devSplit (fileName, bootDir);
/* initialize device as a dosFs device named <bootDir> */
if (dosFsDevCreate (bootDir, cbio, 20, NONE) == ERROR)
{
printErr ("dosFsDevCreate failed.\n");
return (ERROR);
}
return (OK);
}
STATUS usrCFConfig
(
int drive, /* drive number of hard disk (0 or 1) */
char * fileName /* mount point */
)
{
BLK_DEV *pBlkDev;
char bootDir [BOOT_FILE_LEN];
char buffer [1024];
int offset = 0;
DATAFLASH_RAW cfRaw;
char *pSys;
DOS_PART_TBL *pPart;
if ((UINT)drive >= DATAFLASH_MAX_DRIVES)
{
printErr ("drive is out of range (0-%d).\n", DATAFLASH_MAX_DRIVES - 1);
return (ERROR);
}
/* split off boot device from boot file */
devSplit (fileName, bootDir);
strcpy(mountpoint,bootDir);
/* read the boot sector */
cfRaw.cylinder = 0;
cfRaw.head = 0;
cfRaw.sector = 1;
cfRaw.pBuf = buffer;
cfRaw.nSecs = 1;
cfRaw.direction = 0;
cfcRawio (drive, &cfRaw);
/* get an offset if it is formated by MSDOS */
pSys = &buffer[DOS_BOOT_SYS_ID];
pPart = (DOS_PART_TBL *)&buffer[DOS_BOOT_PART_TBL];
if ((strncmp(pSys, VXDOS, strlen(VXDOS)) != 0) &&
(strncmp(pSys, VXEXT, strlen(VXEXT)) != 0))
{
offset = usrCFPartition (drive, pPart);
}
if ((pBlkDev = cfcDevCreate(drive, 0, offset)) == (BLK_DEV *)NULL)
{
printErr ("Error during cfDevCreate: %x\n", errno);
return (ERROR);
}
/* Make DOS file system */
#if 0
if (dosFsDevInit(bootDir, pBlkDev, NULL) == (DOS_VOL_DESC *)NULL)
{
printErr ("Error during dosFsDevInit: %x\n", errno);
return (ERROR);
}
#endif
if (dosFsDevCreate(bootDir, pBlkDev, 20,0) == (DOS_VOL_DESC *)NULL)
{
printErr ("Error during dosFsDevInit: %x\n", errno);
return (ERROR);
}
return (OK);
}
