s32 SetBootState( u8 type , u8 flags , u8 returnto , u8 discstate )
{
StateFlags *sf = (StateFlags *)mem_align( 32, sizeof(StateFlags) );
memset( sf, 0, sizeof(StateFlags) );
s32 fd = ISFS_Open("/title/00000001/00000002/data/state.dat", 1|2 );
if(fd < 0)
{
mem_free( sf );
ISFS_Close(fd);
return -1;
}
s32 ret = ISFS_Read(fd, sf, sizeof(StateFlags));
if(ret != sizeof(StateFlags))
{
mem_free( sf );
ISFS_Close(fd);
return -2 ;
}
sf->type = type;
sf->returnto = returnto;
sf->flags = flags;
sf->discstate = discstate;
sf->checksum= __CalcChecksum((u32*)sf, sizeof(StateFlags));
if(ISFS_Seek( fd, 0, 0 )<0)
{
mem_free( sf );
ISFS_Close(fd);
return -3;
}
if(ISFS_Write(fd, sf, sizeof(StateFlags))!=sizeof(StateFlags))
{
mem_free( sf );
ISFS_Close(fd);
return -4;
}
ISFS_Close(fd);
mem_free( sf );
return 1;
}
s32 SetNandBootInfo(void)
{
static NANDBootInfo BootInfo ATTRIBUTE_ALIGN(32);
memset(&BootInfo,0,sizeof(NANDBootInfo));
BootInfo.apptype = 0x80;
BootInfo.titletype = 2;
if(ES_GetTitleID(&BootInfo.launcher) < 0)
BootInfo.launcher = 0x0000000100000002LL;
BootInfo.checksum = __CalcChecksum((u32*)&BootInfo,sizeof(NANDBootInfo));
s32 fd = ISFS_Open("/shared2/sys/NANDBOOTINFO", ISFS_OPEN_RW );
if(fd < 0)
{
return fd;
}
s32 ret = ISFS_Write(fd, &BootInfo, sizeof(NANDBootInfo));
if(ret < 0)
{
ISFS_Close(fd);
gprintf("SetNandBootInfo : ISFS_Write returned %d\n",ret);
return -2;
}
ISFS_Close(fd);
return 1;
}
static int __ValidChecksum(void *buf, int len)
{
u32 *p = (u32*)buf;
return p[0] == __CalcChecksum(p, len);
}
static void __SetChecksum(void *buf, int len)
{
u32 *p = (u32*)buf;
p[0] = __CalcChecksum(p, len);
}
