mirror of
https://github.com/nitraiolo/CfgUSBLoader.git
synced 2024-10-22 14:15:05 +02:00
93 lines
1.9 KiB
C
93 lines
1.9 KiB
C
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/*
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Custom IOS Module (SDHC)
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Copyright (C) 2008 neimod.
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Copyright (C) 2009 WiiGator.
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Copyright (C) 2009 Waninkoko.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdio.h>
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#include <string.h>
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#include "sdio.h"
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#include "syscalls.h"
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#include "libwbfs/libwbfs.h"
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/* Constants */
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#define SECTOR_SIZE 0x200
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/* Variables */
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static wbfs_t *hdd = NULL;
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static wbfs_disc_t *disc = NULL;
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static int __WBFS_ReadSector(void *cbdata, u32 lba, u32 count, void *buffer)
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{
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s32 ret;
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/* Read data */
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ret = sdio_ReadSectors(lba, count, buffer);
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if (!ret)
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return 1;
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/* Invalidate range */
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os_sync_before_read(buffer, SECTOR_SIZE * count);
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return 0;
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}
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s32 WBFS_OpenDisc(u8 *discid)
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{
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s32 ret;
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/* Initialize SDIO */
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ret = sdio_Startup();
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if (!ret)
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return 1;
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/* Close disc */
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if (disc)
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wbfs_close_disc(disc);
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/* Close SD */
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if (hdd)
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wbfs_close(hdd);
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/* Open SD */
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hdd = wbfs_open_hd(__WBFS_ReadSector, NULL, NULL, SECTOR_SIZE, 0, 0);
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if (!hdd)
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return 2;
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/* Open disc */
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disc = wbfs_open_disc(hdd, discid);
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if (!disc)
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return 3;
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return 0;
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}
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s32 WBFS_Read(void *buffer, u32 len, u32 offset)
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{
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/* No disc opened */
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if (!disc)
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return 1;
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/* Disc read */
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return wbfs_disc_read(disc, offset, buffer, len);
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}
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