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
flashFsLibInit(void)
{
#ifndef BUILD_VXBOOT
CBIO_DEV_ID pCbio;
int dosFsCacheSizeDefault = 128 * 1024 ;
#endif
int bootSize, bootOffset;
/*
* We are considered initialized once flashDosVolDesc is non-NULL.
*/
if (flashDosVolDesc) {
return OK;
}
if (flashDrvLibInit() == ERROR) {
printf("flashFsLibInit(): flashDrvLibInit() failed\n");
return (ERROR);
}
#ifndef BUILD_VXBOOT
/* All Keystone platform are the same */
flsh_boot_size = 1024;
#endif
/* Find boot partition */
flashFsFindBootPartition(&bootSize, &bootOffset);
/* Find vxworks filesystem partition */
flashFsFindVxworksPartition(&bootSize, &bootOffset);
/*
* Set up BLK DEV structure
*/
flashBlkDev.bd_blkRd = flashFsBlkRead;
flashBlkDev.bd_blkWrt = flashFsBlkWrite;
flashBlkDev.bd_ioctl = flashFsIoctl;
flashBlkDev.bd_reset = NULL;
flashBlkDev.bd_statusChk = NULL;
flashBlkDev.bd_removable = FALSE;
flashBlkDev.bd_nBlocks = FLASH_FS_SIZE_BLOCKS;
flashBlkDev.bd_bytesPerBlk = FLASH_FS_BLOCK_SIZE;
flashBlkDev.bd_blksPerTrack = 1;
flashBlkDev.bd_nHeads = 1;
flashBlkDev.bd_retry = 1;
flashBlkDev.bd_mode = O_RDWR;
flashBlkDev.bd_readyChanged = FALSE;
if (flashFsVerbose) {
printf("flashFsLibInit: Initializing\n");
}
#if !defined(BUILD_VXBOOT)
if (!flashDosFormat) {
if ( (pCbio = dcacheDevCreate( (CBIO_DEV_ID) &flashBlkDev, NULL,
dosFsCacheSizeDefault, FLASH_FS_NAME)) == NULL )
return (ERROR);
if (dosFsDevCreate(FLASH_FS_NAME, pCbio,
NUM_DOSFS_FILES, NONE)) {
printf("Failed to create DOS file device \n");
return (ERROR);
}
flashDosVolDesc = dosFsVolDescGet(FLASH_FS_NAME, NULL);
if (flashDosVolDesc == NULL) {
if (flashFsVerbose) {
printf("\nflashFsLibInit: first time initialization...\n");
}
dosFsVolFormat(FLASH_FS_NAME, DOS_OPT_DEFAULT, NULL);
flashDosVolDesc = dosFsVolDescGet(FLASH_FS_NAME, NULL);
if (flashDosVolDesc == NULL) {
printf("Failed to Format DOS file device \n");
return (ERROR);
}
}
if (flashFsVerbose) {
dosFsShow(FLASH_FS_NAME, DOS_CHK_VERB_2);
}
}
#endif
if (flashFsVerbose) {
printf("done\n");
}
flashFsSync();
return OK;
}
