// These two functions deal with the "internal" IOS subsystems that are used by default by libogc
// Other stuff should be inited by the user and deinited by the exit callbacks. The user is also responsible
// for deiniting other stuff before an IOS reload and reiniting them after.
s32 __IOS_InitializeSubsystems(void)
{
s32 res;
s32 ret = 0;
#ifdef DEBUG_IOS
printf("IOS Subsystem Init\n");
#endif
res = __ES_Init();
if(res < 0) {
ret = res;
#ifdef DEBUG_IOS
printf("ES Init failed: %d\n",ret);
#endif
}
res = __STM_Init();
if(res < 0) {
ret = res;
#ifdef DEBUG_IOS
printf("STM Init failed: %d\n",ret);
#endif
}
#ifdef DEBUG_IOS
printf("IOS Subsystem Init Done: %d\n",ret);
#endif
return ret;
}
s32 __attribute__((weak)) __IOS_LoadStartupIOS()
{
#if 0
int version;
int res;
res = __ES_Init();
if(res < 0) return res;
version = IOS_GetPreferredVersion();
if(version < 0) {
#ifdef DEBUG_IOS
printf("GetPreferredVersion failed: %d\n",version);
#endif
__ES_Close();
return version;
}
#ifdef DEBUG_IOS
printf("Loading startup IOS: %d\n",version);
#endif
res = __IOS_LaunchNewIOS(version);
if(res < 0) return res;
#endif
return 0;
}
s32 __IOS_LoadStartupIOS(void)
{
int res;
res = __ES_Init();
if(res < 0)
return res;
return 0;
}
s32 IOS_ReloadIOS(int version)
{
int ret = 0;
int res;
#ifdef DEBUG_IOS
printf("Reloading to IOS%d\n",version);
#endif
res = __IOS_ShutdownSubsystems();
if(res < 0) {
#ifdef DEBUG_IOS
printf("__IOS_ShutdownSubsystems failed: %d\n", res);
#endif
ret = res;
}
res = __ES_Init();
if(res < 0) {
#ifdef DEBUG_IOS
printf("__ES_Init failed: %d\n", res);
#endif
ret = res;
} else {
res = __IOS_LaunchNewIOS(version);
if(res < 0) {
#ifdef DEBUG_IOS
printf("__IOS_LaunchNewIOS failed: %d\n", res);
#endif
ret = res;
__ES_Close();
}
}
res = __IOS_InitializeSubsystems();
if(res < 0) {
#ifdef DEBUG_IOS
printf("__IOS_InitializeSubsystems failed: %d\n", res);
#endif
ret = res;
}
return ret;
}
s32 ES_GetTitleID(u64 *tid)
{
s32 fd, ret;
/* Open ES */
fd = __ES_Init();
if (fd < 0)
return fd;
/* Setup vector */
vector[0].data = tid;
vector[0].len = sizeof(u64);
/* Get title ID */
ret = os_ioctlv(fd, IOCTL_ES_GETTITLEID, 0, 1, vector);
/* Close ES */
__ES_Close(fd);
return ret;
}
s32 __DI_LoadStub(void)
{
int ret = 0;
int res;
#ifdef DEBUG_IOS
dprintf("Reloading to IOS%d\n",version);
#endif
res = __IOS_ShutdownSubsystems();
if(res < 0) ret = res;
res = __ES_Init();
if(res < 0) ret = res;
else {
res = __DI_StubLaunch();
if(res < 0) {
ret = res;
__ES_Close();
}
}
res = __IOS_InitializeSubsystems();
if(res < 0) ret = res;
return ret;
}
s32 __DI_StubLaunch(void)
{
u64 titleID = DVD_TITLEID;
static tikview views[4] ATTRIBUTE_ALIGN(32);
u32 numviews;
s32 res;
u32 ints;
dprintf("Shutting down IOS subsystems\n");
res = __IOS_ShutdownSubsystems();
if(res < 0) {
dprintf("Shutdown failed: %d\n",res);
}
dprintf("Initializing ES\n");
res = __ES_Init();
if(res < 0) {
dprintf("ES init failed: %d\n",res);
return res;
}
dprintf("Launching TitleID: %016llx\n",titleID);
res = ES_GetNumTicketViews(titleID, &numviews);
if(res < 0) {
dprintf(" GetNumTicketViews failed: %d\n",res);
return res;
}
if(numviews > 4) {
dprintf(" GetNumTicketViews too many views: %u\n",numviews);
return IOS_ETOOMANYVIEWS;
}
res = ES_GetTicketViews(titleID, views, numviews);
if(res < 0) {
dprintf(" GetTicketViews failed: %d\n",res);
return res;
}
dprintf("Ready to launch channel\n");
res = ES_LaunchTitleBackground(titleID, &views[0]);
if(res<0) {
dprintf("Launch failed: %d\n",res);
return res;
}
dprintf("Channel launching in the background\n");
dprintf("Pre-stub status:\n");
dumpregs();
dprintf("ISR Disable...\n");
_CPU_ISR_Disable( ints );
dprintf("Saving regs...\n");
__distub_saveregs();
dprintf("Taking the plunge...\n");
__distub_take_plunge(&di_ctx);
dprintf("We're back!\n");
dprintf("Restoring regs...\n");
__distub_restregs();
dprintf("ISR Enable...\n");
_CPU_ISR_Restore( ints );
dprintf("Post-stub status:\n");
dumpregs();
__IPC_Reinitialize();
__ES_Reset();
dprintf("IPC reinitialized\n");
sleep(1);
dprintf("Restarting IOS subsystems\n");
res = __IOS_InitializeSubsystems();
dprintf("Subsystems running!\n");
res = ES_GetNumTicketViews(titleID, &numviews);
if(res < 0) {
dprintf(" GetNumTicketViews failed: %d\n",res);
return res;
}
dprintf(" GetNumTicketViews: %d",numviews);
return 0;
}
