WiiFlow_Lite/source/loader/disc.c
fix94.1 f57507c4f3 -general code cleanup
-added crc32 buffer and limited checked filesize to 1gb
2012-11-18 13:40:26 +00:00

123 lines
2.1 KiB
C
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogcsys.h>
#include <unistd.h>
#include <ogc/lwp_threads.h>
#include <ogc/lwp_watchdog.h>
#include <ogc/machine/processor.h>
#include "disc.h"
#include "wdvd.h"
#include "sys.h"
#include "fst.h"
#include "wbfs.h"
#include "frag.h"
#include "wip.h"
#include "utils.h"
#include "cios.h"
#include "devicemounter/usbstorage.h"
#include "gecko/gecko.h"
#include "memory/memory.h"
struct discHdr wii_hdr ATTRIBUTE_ALIGN(32);
struct gc_discHdr gc_hdr ATTRIBUTE_ALIGN(32);
static u8 *diskid = (u8*)0x80000000;
s32 Disc_Open(bool boot_disc)
{
/* Reset drive */
s32 ret = WDVD_Reset();
if (ret < 0) return ret;
memset(diskid, 0, 32);
/* Read disc ID */
ret = WDVD_ReadDiskId(diskid);
/* Directly set Audio Streaming for GC*/
if(boot_disc)
gprintf("Setting Audio Streaming for GC Games %s\n", WDVD_SetStreaming() == 0 ? "succeed" : "failed");
return ret;
}
s32 Disc_Wait(void)
{
u32 cover = 0;
int icounter = 0;
/* Wait for disc */
while (!(cover & 0x2))
{
/* Get cover status */
s32 ret = WDVD_GetCoverStatus(&cover);
if (ret < 0) return ret;
// 10 tries to make sure it doesn´t "freeze" in Install dialog
// if no Game Disc is insert
icounter++;
sleep(1);
if(icounter > 10)
return -1;
}
return 0;
}
s32 Disc_ReadHeader(void *outbuf)
{
/* Read Wii disc header */
return WDVD_UnencryptedRead(outbuf, sizeof(struct discHdr), 0);
}
s32 Disc_ReadGCHeader(void *outbuf)
{
/* Read GC disc header */
return WDVD_UnencryptedRead(outbuf, sizeof(struct gc_discHdr), 0);
}
s32 Disc_Type(bool gc)
{
s32 ret;
u32 check;
u32 magic;
if (!gc)
{
check = WII_MAGIC;
ret = Disc_ReadHeader(&wii_hdr);
magic = wii_hdr.magic;
}
else
{
check = GC_MAGIC;
ret = Disc_ReadGCHeader(&gc_hdr);
if(strcmp((char *)gc_hdr.id, "GCOPDV") == 0)
magic = GC_MAGIC;
else
magic = gc_hdr.magic;
}
if (ret < 0)
return ret;
/* Check magic word */
if (magic != check) return -1;
return 0;
}
s32 Disc_IsWii(void)
{
return Disc_Type(0);
}
s32 Disc_IsGC(void)
{
return Disc_Type(1);
}