Nigel/BarinkOS
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Adding subdir functionality

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Added FAT16 driver ability to list subdir entries
Removed structure of FAT32 (we won't be using it anytime soon)
This commit is contained in:
Nigel Barink
2023-02-24 21:31:20 +01:00
parent a77621faf5
commit 644ff5b1f5
3 changed files with 84 additions and 54 deletions
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11
kernel/kernel.cpp
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@ -78,7 +78,6 @@ extern "C" void kernel ()
int fat_size = bpb->FATSz16;
int root_dir_sectors = FAT::RootDirSize(bpb);
int first_data_sector = bpb->RsvdSecCnt + (bpb->NumFATs * fat_size) + root_dir_sectors ;
int first_fat_sector = bpb->RsvdSecCnt;
int data_sectors = bpb->TotSec32 - (bpb->RsvdSecCnt + (bpb->NumFATs * fat_size) + root_dir_sectors);
int total_clusters = data_sectors / bpb->SecPerClus;
@ -98,6 +97,7 @@ extern "C" void kernel ()
continue;
}
if(entry->ATTR & FAT::ATTRIBUTES::ATTR_HIDDEN){
continue;
}
@ -105,9 +105,9 @@ extern "C" void kernel ()
if(entry->ATTR & FAT::ATTRIBUTES::ATTR_SYSTEM)
continue;
if(entry->ATTR & FAT::ATTRIBUTES::ATTR_VOLUME_ID){
continue;
}
if (!(entry->ATTR & FAT::ATTRIBUTES::ATTR_LONG_NAME)){
for(char n : entry->Name){
@ -116,10 +116,13 @@ extern "C" void kernel ()
kterm_put(n);
}
}else{
printf("Long file name detected!\n");
printf("Long file name detected!");
}
printf(" [Size: %d bytes, Attributes: %x\n", entry->ATTR, entry->FileSize);
printf(" [Size: %d bytes, Attributes: %d]\n", entry->ATTR, entry->FileSize);
if(entry->ATTR & FAT::ATTRIBUTES::ATTR_DIRECTORY ){
FAT::OpenSubdir(entry, bpb);
}
}