mirror of
https://github.com/wiiu-env/libfat.git
synced 2024-11-29 05:04:17 +01:00
124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/*
|
|
libfat.c
|
|
Simple functionality for startup, mounting and unmounting of FAT-based devices.
|
|
|
|
Copyright (c) 2006 Michael "Chishm" Chisholm
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice,
|
|
this list of conditions and the following disclaimer.
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation and/or
|
|
other materials provided with the distribution.
|
|
3. The name of the author may not be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
|
WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
|
|
AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
|
|
EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
2006-07-11 - Chishm
|
|
* Original release
|
|
*/
|
|
|
|
#include <sys/iosupport.h>
|
|
|
|
#include "common.h"
|
|
#include "partition.h"
|
|
#include "fatfile.h"
|
|
|
|
#define GBA_DEFAULT_CACHE_PAGES 2
|
|
#define NDS_DEFAULT_CACHE_PAGES 8
|
|
|
|
|
|
const devoptab_t dotab_fat = {
|
|
"fat",
|
|
sizeof (FILE_STRUCT),
|
|
_FAT_open_r,
|
|
_FAT_close_r,
|
|
_FAT_write_r,
|
|
_FAT_read_r,
|
|
_FAT_seek_r,
|
|
_FAT_fstat_r,
|
|
_FAT_stat_r,
|
|
_FAT_link_r,
|
|
_FAT_unlink_r,
|
|
_FAT_chdir_r
|
|
};
|
|
|
|
bool fatInit (u32 cacheSize, bool setAsDefaultDevice) {
|
|
#ifdef NDS
|
|
bool slot1Device, slot2Device;
|
|
|
|
// Try mounting both slots
|
|
slot1Device = _FAT_partition_mount (PI_SLOT_1, cacheSize);
|
|
slot2Device = _FAT_partition_mount (PI_SLOT_2, cacheSize);
|
|
|
|
// Choose the default device
|
|
if (slot1Device) {
|
|
_FAT_partition_setDefaultInterface (PI_SLOT_1);
|
|
} else if (slot2Device) {
|
|
_FAT_partition_setDefaultInterface (PI_SLOT_2);
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
#else // not defined NDS
|
|
bool cartSlotDevice;
|
|
|
|
cartSlotDevice = _FAT_partition_mount (PI_CART_SLOT, cacheSize);
|
|
|
|
if (cartSlotDevice) {
|
|
_FAT_partition_setDefaultInterface (PI_CART_SLOT);
|
|
} else {
|
|
return false;
|
|
}
|
|
|
|
#endif // defined NDS
|
|
|
|
AddDevice (&dotab_fat);
|
|
|
|
if (setAsDefaultDevice) {
|
|
setDefaultDevice( FindDevice ("fat:") );
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool fatInitDefault (void) {
|
|
#ifdef NDS
|
|
return fatInit (NDS_DEFAULT_CACHE_PAGES, true);
|
|
#else
|
|
return fatInit (GBA_DEFAULT_CACHE_PAGES, true);
|
|
#endif
|
|
}
|
|
|
|
bool fatMountNormalInterface (PARTITION_INTERFACE partitionNumber, u32 cacheSize) {
|
|
return _FAT_partition_mount (partitionNumber, cacheSize);
|
|
}
|
|
|
|
bool fatMountCustomInterface (const IO_INTERFACE* device, u32 cacheSize) {
|
|
return _FAT_partition_mountCustomInterface (device, cacheSize);
|
|
}
|
|
|
|
bool fatUnmount (PARTITION_INTERFACE partitionNumber) {
|
|
return _FAT_partition_unmount (partitionNumber);
|
|
}
|
|
|
|
|
|
bool fatUnsafeUnmount (PARTITION_INTERFACE partitionNumber) {
|
|
return _FAT_partition_unsafeUnmount (partitionNumber);
|
|
}
|
|
|
|
bool fatSetDefaultInterface (PARTITION_INTERFACE partitionNumber) {
|
|
return _FAT_partition_setDefaultInterface (partitionNumber);
|
|
}
|