usbloadergx/source/system/IosLoader.cpp
dimok321 49b5a5f329 *Fixed IOS reload before game start into game specific ios
*Changed gecko output to use unsafe usb_sendbuffer
2010-11-28 20:04:29 +00:00

185 lines
4.5 KiB
C++

#include <gctypes.h>
#include "IosLoader.h"
#include "../fatmounter.h"
#include "../usbloader/usbstorage2.h"
#include "../usbloader/disc.h"
#include "../usbloader/wbfs.h"
#include "../usbloader/wdvd.h"
#include "../wad/nandtitle.h"
#include "../mload/mload_modules.h"
#include "../settings/CSettings.h"
#include "wad/nandtitle.h"
#include "mload/mload.h"
#include "mload/modules/ehcmodule_5.h"
#include "mload/modules/dip_plugin_249.h"
#include "mload/modules/odip_frag.h"
#include "gecko.h"
/******************************************************************************
* Public Methods:
******************************************************************************/
/*
* Check if the ios passed is a Hermes ios.
*/
bool IosLoader::IsHermesIOS(s32 ios)
{
return (ios == 222 || ios == 223 || ios == 224 || ios == 202);
}
/*
* Check if the ios passed is a Waninkoko ios.
*/
bool IosLoader::IsWaninkokoIOS(s32 ios)
{
if(ios < 200 || ios > 255)
return false;
return !IsHermesIOS(ios);
}
/*
* Loads CIOS (If possible the one from the settings file).
* @return 0 if a cios has been successfully loaded. Else a value below 0 is returned.
*/
s32 IosLoader::LoadAppCios()
{
u32 activeCios = IOS_GetVersion();
s32 ret = -1;
// We have what we need
if((int) activeCios == Settings.cios)
return 0;
// Unmount fat before reloading IOS.
SDCard_deInit();
USBDevice_deInit();
u32 ciosLoadPriority[] = { 250, 249, 222, Settings.cios }; // Descending.
for (u8 i = (sizeof(ciosLoadPriority)/sizeof(ciosLoadPriority[0]))-1; i >= 0; i--)
{
u32 cios = ciosLoadPriority[i];
if (activeCios == cios)
{
ret = 0;
break;
}
if ((ret = ReloadIosSafe(cios)) > -1)
{
// Remember working cios.
Settings.cios = cios;
break;
}
}
return ret;
}
/*
* Loads a CIOS before a game start.
* @return 0 if a cios has been successfully loaded. Else a value below 0 is returned.
*/
s32 IosLoader::LoadGameCios(s32 ios)
{
if(ios == IOS_GetVersion())
return 0;
s32 ret = -1;
// Unmount fat before reloading IOS.
WBFS_Close();
WDVD_Close();
SDCard_deInit();
USBDevice_deInit();
ret = ReloadIosSafe(ios);
// Remount devices after reloading IOS.
SDCard_Init();
USBDevice_Init();
Disc_Init();
return ret;
}
/*
* Reloads a certain IOS under the condition, that an appropriate version of the IOS is installed.
* @return a negative value if a safe reload of the ios was not possible.
*/
s32 IosLoader::ReloadIosSafe(s32 ios)
{
if(IsHermesIOS(ios))
{
s32 iosRev = NandTitles.VersionOf(TITLE_ID(1, ios));
if(iosRev != 4 && iosRev != 5 && iosRev != 65535)
return -11;
}
else if(IsWaninkokoIOS(ios))
{
s32 iosRev = NandTitles.VersionOf(TITLE_ID(1, ios));
if(iosRev < 9 || iosRev > 30) //let's see if Waninkoko actually gets to 30
return -22;
}
else
{
return -33;
}
s32 r = IOS_ReloadIOS(ios);
if (r >= 0) WII_Initialize();
IosLoader::LoadIOSModules(IOS_GetVersion(), IOS_GetRevision());
return r;
}
/******************************************************************************
* Private/Protected Methods:
******************************************************************************/
void IosLoader::LoadIOSModules(s32 ios, s32 ios_rev)
{
//! Hermes IOS
if(IsHermesIOS(ios))
{
const u8 * ech_module = NULL;
int ehc_module_size = 0;
const u8 * dip_plugin = NULL;
int dip_plugin_size = 0;
ech_module = ehcmodule_5;
ehc_module_size = ehcmodule_5_size;
dip_plugin = odip_frag;
dip_plugin_size = odip_frag_size;
gprintf("Loading ehc v5 and opendip module\n");
u8 *ehc_cfg = search_for_ehcmodule_cfg((u8 *) ech_module, ehc_module_size);
if (ehc_cfg)
{
ehc_cfg += 12;
ehc_cfg[0] = 0; // USB Port 0
gprintf("Patched ehc module to use usb port 0.\n");
}
load_modules(ech_module, ehc_module_size, dip_plugin, dip_plugin_size);
}
//! Waninkoko IOS
else if(IsWaninkokoIOS(ios))
{
if(ios_rev >= 18)
{
if(mload_init() < 0)
return;
gprintf("Loading dip module for Waninkoko's cios\n");
mload_module((u8 *) dip_plugin_249, dip_plugin_249_size);
mload_close();
}
}
}