mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-04 18:45:05 +01:00
593 lines
12 KiB
C
593 lines
12 KiB
C
#include <stdio.h>
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#include <unistd.h>
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#include <malloc.h>
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#include <ogcsys.h>
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#include <errno.h>
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#include "sdhc.h"
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#include "usbstorage.h"
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#include "utils.h"
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#include "video.h"
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#include "wdvd.h"
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#include "wbfs.h"
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#include "wbfs_fat.h"
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#include "fatmounter.h"
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#include "partition_usbloader.h"
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#include "libwbfs/libwbfs.h"
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/* Constants */
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#define MAX_NB_SECTORS 32
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/* WBFS device */
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s32 wbfsDev = WBFS_MIN_DEVICE;
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// partition
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int wbfs_part_fat = 0;
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u32 wbfs_part_idx = 0;
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u32 wbfs_part_lba = 0;
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/* WBFS HDD */
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wbfs_t *hdd = NULL;
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/* WBFS callbacks */
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static rw_sector_callback_t readCallback = NULL;
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static rw_sector_callback_t writeCallback = NULL;
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static s32 done = -1, total = -1;
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/* Variables */
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static u32 nb_sectors, sector_size;
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void WBFS_Spinner(s32 x, s32 max) {
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done = x;
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total = max;
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}
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wbfs_disc_t* WBFS_OpenDisc(u8 *discid)
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{
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if (wbfs_part_fat) return WBFS_FAT_OpenDisc(discid);
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/* No device open */
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if (!hdd)
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return NULL;
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/* Open disc */
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return wbfs_open_disc(hdd, discid);
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}
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void WBFS_CloseDisc(wbfs_disc_t *disc)
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{
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if (wbfs_part_fat) {
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WBFS_FAT_CloseDisc(disc);
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return;
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}
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/* No device open */
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if (!hdd || !disc)
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return;
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/* Close disc */
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wbfs_close_disc(disc);
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}
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void GetProgressValue(s32 * d, s32 * m) {
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*d = done;
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*m = total;
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}
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wbfs_t *GetHddInfo(void) {
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return hdd;
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}
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s32 __WBFS_ReadDVD(void *fp, u32 lba, u32 len, void *iobuf) {
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void *buffer = NULL;
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u64 offset;
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u32 mod, size;
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s32 ret;
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/* Calculate offset */
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offset = ((u64)lba) << 2;
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/* Calcualte sizes */
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mod = len % 32;
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size = len - mod;
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/* Read aligned data */
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if (size) {
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ret = WDVD_UnencryptedRead(iobuf, size, offset);
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if (ret < 0)
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goto out;
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}
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/* Read non-aligned data */
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if (mod) {
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/* Allocate memory */
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buffer = memalign(32, 0x20);
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if (!buffer)
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return -1;
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/* Read data */
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ret = WDVD_UnencryptedRead(buffer, 0x20, offset + size);
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if (ret < 0)
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goto out;
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/* Copy data */
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memcpy(iobuf + size, buffer, mod);
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}
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/* Success */
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ret = 0;
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out:
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/* Free memory */
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if (buffer)
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free(buffer);
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return ret;
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}
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s32 __WBFS_ReadUSB(void *fp, u32 lba, u32 count, void *iobuf) {
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u32 cnt = 0;
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s32 ret;
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/* Do reads */
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while (cnt < count) {
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void *ptr = ((u8 *)iobuf) + (cnt * sector_size);
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u32 sectors = (count - cnt);
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/* Read sectors is too big */
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if (sectors > MAX_NB_SECTORS)
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sectors = MAX_NB_SECTORS;
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/* USB read */
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ret = USBStorage_ReadSectors(lba + cnt, sectors, ptr);
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if (ret < 0)
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return ret;
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/* Increment counter */
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cnt += sectors;
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}
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return 0;
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}
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s32 __WBFS_WriteUSB(void *fp, u32 lba, u32 count, void *iobuf) {
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u32 cnt = 0;
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s32 ret;
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/* Do writes */
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while (cnt < count) {
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void *ptr = ((u8 *)iobuf) + (cnt * sector_size);
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u32 sectors = (count - cnt);
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/* Write sectors is too big */
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if (sectors > MAX_NB_SECTORS)
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sectors = MAX_NB_SECTORS;
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/* USB write */
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ret = USBStorage_WriteSectors(lba + cnt, sectors, ptr);
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if (ret < 0)
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return ret;
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/* Increment counter */
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cnt += sectors;
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}
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return 0;
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}
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s32 __WBFS_ReadSDHC(void *fp, u32 lba, u32 count, void *iobuf) {
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u32 cnt = 0;
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s32 ret;
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/* Do reads */
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while (cnt < count) {
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void *ptr = ((u8 *)iobuf) + (cnt * sector_size);
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u32 sectors = (count - cnt);
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/* Read sectors is too big */
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if (sectors > MAX_NB_SECTORS)
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sectors = MAX_NB_SECTORS;
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/* SDHC read */
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ret = SDHC_ReadSectors(lba + cnt, sectors, ptr);
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if (!ret)
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return -1;
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/* Increment counter */
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cnt += sectors;
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}
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return 0;
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}
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s32 __WBFS_WriteSDHC(void *fp, u32 lba, u32 count, void *iobuf) {
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u32 cnt = 0;
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s32 ret;
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/* Do writes */
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while (cnt < count) {
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void *ptr = ((u8 *)iobuf) + (cnt * sector_size);
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u32 sectors = (count - cnt);
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/* Write sectors is too big */
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if (sectors > MAX_NB_SECTORS)
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sectors = MAX_NB_SECTORS;
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/* SDHC write */
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ret = SDHC_WriteSectors(lba + cnt, sectors, ptr);
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if (!ret)
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return -1;
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/* Increment counter */
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cnt += sectors;
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}
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return 0;
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}
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s32 WBFS_Init(u32 device) {
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s32 ret;
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switch (device) {
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case WBFS_DEVICE_USB:
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/* Initialize USB storage */
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ret = USBStorage_Init();
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if (ret >= 0) {
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/* Setup callbacks */
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readCallback = __WBFS_ReadUSB;
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writeCallback = __WBFS_WriteUSB;
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/* Device info */
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/* Get USB capacity */
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nb_sectors = USBStorage_GetCapacity(§or_size);
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if (!nb_sectors)
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return -1;
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} else
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return ret;
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break;
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case WBFS_DEVICE_SDHC:
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/* Initialize SDHC */
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ret = SDHC_Init();
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if (ret) {
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/* Setup callbacks */
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readCallback = __WBFS_ReadSDHC;
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writeCallback = __WBFS_WriteSDHC;
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/* Device info */
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nb_sectors = 0;
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sector_size = SDHC_SECTOR_SIZE;
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} else
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return -1;
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break;
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}
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return 0;
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}
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s32 WBFS_Open(void) {
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/* Close hard disk */
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if (hdd)
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wbfs_close(hdd);
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/* Open hard disk */
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wbfs_part_fat = wbfs_part_idx = wbfs_part_lba = 0;
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hdd = wbfs_open_hd(readCallback, writeCallback, NULL, sector_size, nb_sectors, 0);
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if (!hdd)
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return -1;
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// Save the new sector size, so it will be used in read and write calls
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sector_size = 1 << hdd->head->hd_sec_sz_s;
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wbfs_part_idx = 1;
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return 0;
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}
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s32 WBFS_OpenPart(u32 part_fat, u32 part_idx, u32 part_lba, u32 part_size, char *partition)
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{
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// close
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WBFS_Close();
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if (part_fat) {
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if (wbfsDev != WBFS_DEVICE_USB) return -1;
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if (part_lba == fat_usb_sec) {
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strcpy(wbfs_fat_drive, "USB:");
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} else {
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if (WBFSDevice_Init(part_lba)) return -1;
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strcpy(wbfs_fat_drive, "WBFS:");
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}
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} else {
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if (WBFS_OpenLBA(part_lba, part_size)) return -3;
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}
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// success
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wbfs_part_fat = part_fat;
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wbfs_part_idx = part_idx;
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wbfs_part_lba = part_lba;
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sprintf(partition, "%s%d", wbfs_part_fat ? "FAT" : "WBFS", wbfs_part_idx);
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return 0;
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}
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s32 WBFS_OpenNamed(char *partition)
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{
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int i;
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u32 part_idx = 0;
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u32 part_fat = 0;
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u32 part_lba = 0;
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s32 ret = 0;
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PartList plist;
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// close
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WBFS_Close();
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// parse partition option
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if (strncasecmp(partition, "WBFS", 4) == 0) {
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i = atoi(partition+4);
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if (i < 1 || i > 4) goto err;
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part_idx = i;
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} else if (strncasecmp(partition, "FAT", 3) == 0) {
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if (wbfsDev != WBFS_DEVICE_USB) goto err;
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i = atoi(partition+3);
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if (i < 1 || i > 9) goto err;
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part_idx = i;
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part_fat = 1;
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} else {
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goto err;
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}
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// Get partition entries
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ret = Partition_GetList(&plist);
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if (ret || plist.num == 0) return -1;
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if (part_fat) {
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if (part_idx > plist.fat_n) goto err;
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for (i=0; i<plist.num; i++) {
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if (plist.pinfo[i].fat_i == part_idx) break;
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}
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} else {
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if (part_idx > plist.wbfs_n) goto err;
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for (i=0; i<plist.num; i++) {
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if (plist.pinfo[i].wbfs_i == part_idx) break;
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}
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}
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if (i >= plist.num) goto err;
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// set partition lba sector
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part_lba = plist.pentry[i].sector;
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if (WBFS_OpenPart(part_fat, part_idx, part_lba, plist.pentry[i].size, partition)) {
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goto err;
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}
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// success
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return 0;
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err:
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return -1;
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}
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s32 WBFS_OpenLBA(u32 lba, u32 size)
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{
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wbfs_t *part = NULL;
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/* Open partition */
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part = wbfs_open_partition(readCallback, writeCallback, NULL, sector_size, size, lba, 0);
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if (!part) return -1;
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/* Close current hard disk */
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if (hdd) wbfs_close(hdd);
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hdd = part;
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return 0;
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}
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bool WBFS_Close(void)
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{
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/* Close hard disk */
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if (hdd) {
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wbfs_close(hdd);
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hdd = NULL;
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}
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WBFSDevice_deInit();
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wbfs_part_fat = 0;
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wbfs_part_idx = 0;
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wbfs_part_lba = 0;
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wbfs_fat_drive[0] = '\0';
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return 0;
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}
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bool WBFS_Mounted()
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{
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return (hdd != NULL);
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}
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bool WBFS_Selected()
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{
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if (wbfs_part_fat && wbfs_part_lba && *wbfs_fat_drive) return true;
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return WBFS_Mounted();
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}
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s32 WBFS_Format(u32 lba, u32 size) {
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wbfs_t *partition = NULL;
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/* Reset partition */
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partition = wbfs_open_partition(readCallback, writeCallback, NULL, sector_size, size, lba, 1);
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if (!partition)
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return -1;
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/* Free memory */
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wbfs_close(partition);
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return 0;
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}
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s32 WBFS_GetCount(u32 *count) {
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if (wbfs_part_fat) return WBFS_FAT_GetCount(count);
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/* No device open */
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if (!hdd)
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return -1;
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/* Get list length */
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*count = wbfs_count_discs(hdd);
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return 0;
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}
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s32 WBFS_GetHeaders(void *outbuf, u32 cnt, u32 len) {
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if (wbfs_part_fat) return WBFS_FAT_GetHeaders(outbuf, cnt, len);
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u32 idx, size;
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s32 ret;
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/* No device open */
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if (!hdd)
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return -1;
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for (idx = 0; idx < cnt; idx++) {
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u8 *ptr = ((u8 *)outbuf) + (idx * len);
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/* Get header */
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ret = wbfs_get_disc_info(hdd, idx, ptr, len, &size);
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if (ret < 0)
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return ret;
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}
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return 0;
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}
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s32 WBFS_CheckGame(u8 *discid) {
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wbfs_disc_t *disc = NULL;
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/* Try to open game disc */
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disc = WBFS_OpenDisc(discid);
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if (disc) {
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/* Close disc */
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WBFS_CloseDisc(disc);
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return 1;
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}
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return 0;
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}
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s32 WBFS_AddGame(void) {
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if (wbfs_part_fat) return WBFS_FAT_AddGame();
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s32 ret;
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/* No device open */
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if (!hdd)
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return -1;
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/* Add game to device */
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ret = wbfs_add_disc(hdd, __WBFS_ReadDVD, NULL, WBFS_Spinner, ONLY_GAME_PARTITION, 0);
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if (ret < 0)
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return ret;
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return 0;
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}
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s32 WBFS_RemoveGame(u8 *discid) {
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if (wbfs_part_fat) return WBFS_FAT_RemoveGame(discid);
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s32 ret;
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/* No device open */
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if (!hdd)
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return -1;
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/* Remove game from USB device */
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ret = wbfs_rm_disc(hdd, discid);
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if (ret < 0)
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return ret;
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return 0;
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}
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s32 WBFS_GameSize(u8 *discid, f32 *size) {
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wbfs_disc_t *disc = NULL;
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u32 sectors;
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/* Open disc */
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disc = WBFS_OpenDisc(discid);
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if (!disc)
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return -2;
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/* Get game size in sectors */
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sectors = wbfs_sector_used(disc->p, disc->header);
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/* Copy value */
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*size = (disc->p->wbfs_sec_sz / GB_SIZE) * sectors;
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/* Close disc */
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WBFS_CloseDisc(disc);
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return 0;
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}
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s32 WBFS_DiskSpace(f32 *used, f32 *free) {
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if (wbfs_part_fat) return WBFS_FAT_DiskSpace(used, free);
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f32 ssize;
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u32 cnt;
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/* No device open */
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if (!hdd)
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return -1;
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/* Count used blocks */
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cnt = wbfs_count_usedblocks(hdd);
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/* Sector size in GB */
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ssize = hdd->wbfs_sec_sz / GB_SIZE;
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/* Copy values */
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*free = ssize * cnt;
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*used = ssize * (hdd->n_wbfs_sec - cnt);
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return 0;
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}
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s32 WBFS_RenameGame(u8 *discid, const void *newname) {
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if (wbfs_part_fat) return -1;
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s32 ret;
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/* No USB device open */
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if (!hdd)
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return -1;
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ret = wbfs_ren_disc(hdd, discid,(u8*)newname);
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if (ret < 0)
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return ret;
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return 0;
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}
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s32 WBFS_ReIDGame(u8 *discid, const void *newID) {
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if (wbfs_part_fat) return -1;
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s32 ret;
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/* No USB device open */
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if (!hdd)
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return -1;
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ret = wbfs_rID_disc(hdd, discid,(u8*)newID);
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if (ret < 0)
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return ret;
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return 0;
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}
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f32 WBFS_EstimeGameSize(void) {
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if (wbfs_part_fat) {
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u64 comp;
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|
WBFS_FAT_DVD_Size(&comp, NULL);
|
|
return comp;
|
|
}
|
|
|
|
return wbfs_estimate_disc(hdd, __WBFS_ReadDVD, NULL, ONLY_GAME_PARTITION);
|
|
}
|