void*
sdgetfspart(int i, char *s, int chatty)
{
SDunit *unit;
SDpart *p;
Scsicrud *crud;
if(cdmask&(1<<i)){
if(strcmp(s, "cdboot") != 0)
return nil;
}else if(sdmask&(1<<i)){
if(strcmp(s, "cdboot") == 0)
return nil;
}
unit = sdindex2unit(i);
if((p = sdfindpart(unit, s)) == nil){
if(chatty)
print("unknown partition %s!%s\n", unit->name, s);
return nil;
}
if(p->crud == nil) {
crud = malloc(sizeof(Scsicrud));
crud->fs.dev = i;
crud->fs.diskread = sdread;
crud->fs.diskseek = sdseek;
// crud->start = 0;
crud->unit = unit;
crud->part = p;
if(dosinit(&crud->fs) < 0 && dosinit(&crud->fs) < 0 && kfsinit(&crud->fs) < 0){
if(chatty)
print("partition %s!%s does not contain a DOS or KFS file system\n",
unit->name, s);
return nil;
}
p->crud = crud;
}
return p->crud;
}
void*
floppygetfspart(int i, char *name, int chatty)
{
static Fs fs;
if(strcmp(name, "dos") != 0) {
if(chatty)
print("unknown partition fd%d!%s (use fd%d!dos)\n", i, name, i);
return nil;
}
fs.dev = i;
fs.diskread = floppyread;
fs.diskseek = floppyseek;
/* sometimes we get spurious errors and doing it again works */
if(dosinit(&fs) < 0 && dosinit(&fs) < 0) {
if(chatty)
print("fd%d!%s does not contain a FAT file system\n", i, name);
return nil;
}
return &fs;
}
