smallsolar/u-boot
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

* Code cleanup:

Browse Source 
- remove trailing white space, trailing empty lines, C++ comments, etc.
  - split cmd_boot.c (separate cmd_bdinfo.c and cmd_load.c)

* Patches by Kenneth Johansson, 25 Jun 2003:
  - major rework of command structure
    (work done mostly by Michal Cendrowski and Joakim Kristiansen)
This commit is contained in:
wdenk
2003-06-27 21:31:46 +00:00
parent 993cad9364
commit 8bde7f776c
1246 changed files with 46635 additions and 48962 deletions
Download Patch File Download Diff File Expand all files Collapse all files

130
fs/fdos/dev.c
View File

@@ -38,7 +38,7 @@
static int lastwhere;
/*-----------------------------------------------------------------------------
* dev_open --
* dev_open --
*-----------------------------------------------------------------------------
*/
int dev_open (void)
@@ -57,17 +57,17 @@ int dev_read (void *buffer, int where, int len)
/* Si on ne desire pas lire a la position courante, il faut un seek */
if (where != lastwhere) {
if (!fdc_fdos_seek (where)) {
PRINTF ("seek error in dev_read");
lastwhere = -1;
return (-1);
}
if (!fdc_fdos_seek (where)) {
PRINTF ("seek error in dev_read");
lastwhere = -1;
return (-1);
}
}
if (!fdc_fdos_read (buffer, len)) {
PRINTF ("read error\n");
lastwhere = -1;
return (-1);
PRINTF ("read error\n");
lastwhere = -1;
return (-1);
}
lastwhere = where + len;
return (0);
@@ -84,110 +84,110 @@ int check_dev (BootSector_t *boot, Fs_t *fs)
/* Display Boot header */
PRINTF ("Jump to boot code 0x%02x 0x%02x 0x%02x\n",
boot -> jump [0], boot -> jump [1], boot -> jump[2]);
boot -> jump [0], boot -> jump [1], boot -> jump[2]);
PRINTF ("OEM name & version '%*.*s'\n",
BANNER_LG, BANNER_LG, boot -> banner );
BANNER_LG, BANNER_LG, boot -> banner );
PRINTF ("Bytes per sector hopefully 512 %d\n",
__le16_to_cpu (boot -> secsiz));
__le16_to_cpu (boot -> secsiz));
PRINTF ("Cluster size in sectors %d\n",
boot -> clsiz);
boot -> clsiz);
PRINTF ("Number of reserved (boot) sectors %d\n",
__le16_to_cpu (boot -> nrsvsect));
__le16_to_cpu (boot -> nrsvsect));
PRINTF ("Number of FAT tables hopefully 2 %d\n",
boot -> nfat);
boot -> nfat);
PRINTF ("Number of directory slots %d\n",
__le16_to_cpu (boot -> dirents));
__le16_to_cpu (boot -> dirents));
PRINTF ("Total sectors on disk %d\n",
__le16_to_cpu (boot -> psect));
__le16_to_cpu (boot -> psect));
PRINTF ("Media descriptor=first byte of FAT %d\n",
boot -> descr);
boot -> descr);
PRINTF ("Sectors in FAT %d\n",
__le16_to_cpu (boot -> fatlen));
__le16_to_cpu (boot -> fatlen));
PRINTF ("Sectors/track %d\n",
__le16_to_cpu (boot -> nsect));
__le16_to_cpu (boot -> nsect));
PRINTF ("Heads %d\n",
__le16_to_cpu (boot -> nheads));
__le16_to_cpu (boot -> nheads));
PRINTF ("number of hidden sectors %d\n",
__le32_to_cpu (boot -> nhs));
__le32_to_cpu (boot -> nhs));
PRINTF ("big total sectors %d\n",
__le32_to_cpu (boot -> bigsect));
__le32_to_cpu (boot -> bigsect));
PRINTF ("physical drive ? %d\n",
boot -> physdrive);
boot -> physdrive);
PRINTF ("reserved %d\n",
boot -> reserved);
boot -> reserved);
PRINTF ("dos > 4.0 diskette %d\n",
boot -> dos4);
boot -> dos4);
PRINTF ("serial number %d\n",
__le32_to_cpu (boot -> serial));
__le32_to_cpu (boot -> serial));
PRINTF ("disk label %*.*s\n",
LABEL_LG, LABEL_LG, boot -> label);
LABEL_LG, LABEL_LG, boot -> label);
PRINTF ("FAT type %8.8s\n",
boot -> fat_type);
boot -> fat_type);
PRINTF ("reserved by 2M %d\n",
boot -> res_2m);
boot -> res_2m);
PRINTF ("2M checksum (not used) %d\n",
boot -> CheckSum);
boot -> CheckSum);
PRINTF ("2MF format version %d\n",
boot -> fmt_2mf);
boot -> fmt_2mf);
PRINTF ("1 if write track after format %d\n",
boot -> wt);
boot -> wt);
PRINTF ("data transfer rate on track 0 %d\n",
boot -> rate_0);
boot -> rate_0);
PRINTF ("data transfer rate on track<>0 %d\n",
boot -> rate_any);
boot -> rate_any);
PRINTF ("offset to boot program %d\n",
__le16_to_cpu (boot -> BootP));
__le16_to_cpu (boot -> BootP));
PRINTF ("T1: information for track 0 %d\n",
__le16_to_cpu (boot -> Infp0));
__le16_to_cpu (boot -> Infp0));
PRINTF ("T2: information for track<>0 %d\n",
__le16_to_cpu (boot -> InfpX));
__le16_to_cpu (boot -> InfpX));
PRINTF ("T3: track sectors size table %d\n",
__le16_to_cpu (boot -> InfTm));
__le16_to_cpu (boot -> InfTm));
PRINTF ("Format date 0x%04x\n",
__le16_to_cpu (boot -> DateF));
__le16_to_cpu (boot -> DateF));
PRINTF ("Format time 0x%04x\n",
__le16_to_cpu (boot -> TimeF));
__le16_to_cpu (boot -> TimeF));
/* information is extracted from boot sector */
heads = __le16_to_cpu (boot -> nheads);
sectors = __le16_to_cpu (boot -> nsect);
fs -> tot_sectors = __le32_to_cpu (boot -> bigsect);
if (__le16_to_cpu (boot -> psect) != 0) {
fs -> tot_sectors = __le16_to_cpu (boot -> psect);
fs -> tot_sectors = __le16_to_cpu (boot -> psect);
}
sect_per_track = heads * sectors;
tracks = (fs -> tot_sectors + sect_per_track - 1) / sect_per_track;
BootP = __le16_to_cpu (boot -> BootP);
Infp0 = __le16_to_cpu (boot -> Infp0);
InfpX = __le16_to_cpu (boot -> InfpX);
InfTm = __le16_to_cpu (boot -> InfTm);
if (boot -> dos4 == EXTENDED_BOOT &&
strncmp( boot->banner,"2M", 2 ) == 0 &&
BootP < SZ_STD_SECTOR &&
Infp0 < SZ_STD_SECTOR &&
InfpX < SZ_STD_SECTOR &&
InfTm < SZ_STD_SECTOR &&
BootP >= InfTm + 2 &&
InfTm >= InfpX &&
InfpX >= Infp0 &&
Infp0 >= 76 ) {
return (-1);
if (boot -> dos4 == EXTENDED_BOOT &&
strncmp( boot->banner,"2M", 2 ) == 0 &&
BootP < SZ_STD_SECTOR &&
Infp0 < SZ_STD_SECTOR &&
InfpX < SZ_STD_SECTOR &&
InfTm < SZ_STD_SECTOR &&
BootP >= InfTm + 2 &&
InfTm >= InfpX &&
InfpX >= Infp0 &&
Infp0 >= 76 ) {
return (-1);
}
if (heads != NB_HEADS ||
tracks != NB_TRACKS ||
sectors != NB_SECTORS ||
__le16_to_cpu (boot -> secsiz) != SZ_STD_SECTOR ||
fs -> tot_sectors == 0 ||
(fs -> tot_sectors % sectors) != 0) {
return (-1);
tracks != NB_TRACKS ||
sectors != NB_SECTORS ||
__le16_to_cpu (boot -> secsiz) != SZ_STD_SECTOR ||
fs -> tot_sectors == 0 ||
(fs -> tot_sectors % sectors) != 0) {
return (-1);
}
return (0);
}