usbloadergx/source/system/IosLoader.cpp

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#include <gctypes.h>
#include "IosLoader.h"
#include "Controls/DeviceHandler.hpp"
#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"
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#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 "utils/tools.h"
#include "gecko.h"
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/*
* Buffer variables for the IOS info to avoid loading it several times
*/
static int currentIOS = -1;
static iosinfo_t *currentIOSInfo = NULL;
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/******************************************************************************
* Public Methods:
******************************************************************************/
/*
* Check if the ios passed is a Hermes ios.
*/
bool IosLoader::IsHermesIOS(s32 ios)
{
return (ios == 222 || ios == 223 || ios == 224 || ios == 225 || 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);
}
/*
* Check if the ios passed is a d2x ios.
*/
bool IosLoader::IsD2X(s32 ios)
{
iosinfo_t *info = GetIOSInfo(ios);
if(!info)
return false;
bool res = (strncasecmp(info->name, "d2x", 3) == 0);
return res;
}
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/*
* 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;
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// We have what we need
if((int) activeCios == Settings.cios)
return 0;
u32 ciosLoadPriority[] = { Settings.cios, 222, 249, 250, 245, 246, 247, 248 }; // Ascending.
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for (u32 i = 0; i < (sizeof(ciosLoadPriority)/sizeof(ciosLoadPriority[0])); ++i)
{
u32 cios = ciosLoadPriority[i];
if (activeCios == cios)
{
ret = 0;
break;
}
if ((ret = ReloadIosSafe(cios)) > -1)
{
// Remember working cios.
Settings.cios = cios;
break;
}
}
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return ret;
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}
/*
* 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_CloseAll();
WDVD_Close();
DeviceHandler::DestroyInstance();
USBStorage2_Deinit();
ret = ReloadIosSafe(ios);
// Remount devices after reloading IOS.
DeviceHandler::Instance()->MountSD();
DeviceHandler::Instance()->MountAllUSB(true);
Disc_Init();
return ret;
}
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/*
* 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 > 6) && iosRev != 65535)
return -11;
}
else if(IsWaninkokoIOS(ios))
{
s32 iosRev = NandTitles.VersionOf(TITLE_ID(1, ios));
if((iosRev < 9 || iosRev > 30000) && iosRev != 65535) //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;
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}
/******************************************************************************
* 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 = size_ehcmodule_5;
dip_plugin = odip_frag;
dip_plugin_size = odip_frag_size;
gprintf("Loading ehc v5 and opendip module\n");
load_modules(ech_module, ehc_module_size, dip_plugin, dip_plugin_size);
}
//! Waninkoko IOS
else if(IsWaninkokoIOS(ios))
{
// Init ISFS for d2x check
ISFS_Initialize();
iosinfo_t *info = GetIOSInfo(ios);
if(ios_rev >= 18 && (!info || info->version < 6))
{
if(mload_init() >= 0)
{
gprintf("Loading dip module for Waninkoko's cios\n");
mload_module((u8 *) dip_plugin_249, dip_plugin_249_size);
mload_close();
}
}
ISFS_Deinitialize();
}
}
/*
* Reads the ios info struct from the .app file.
* @return pointer to iosinfo_t on success else NULL. The user is responsible for freeing the buffer.
*/
iosinfo_t *IosLoader::GetIOSInfo(s32 ios)
{
if(currentIOS == ios && currentIOSInfo)
return currentIOSInfo;
if(currentIOSInfo)
{
free(currentIOSInfo);
currentIOSInfo = NULL;
}
currentIOS = ios;
char filepath[ISFS_MAXPATH] ATTRIBUTE_ALIGN(0x20);
u64 TicketID = ((((u64) 1) << 32) | ios);
u32 TMD_Length;
s32 ret = ES_GetStoredTMDSize(TicketID, &TMD_Length);
if (ret < 0)
return NULL;
signed_blob *TMD = (signed_blob*) memalign(32, ALIGN32(TMD_Length));
if (!TMD)
return NULL;
ret = ES_GetStoredTMD(TicketID, TMD, TMD_Length);
if (ret < 0)
{
free(TMD);
return NULL;
}
sprintf(filepath, "/title/%08x/%08x/content/%08x.app", 0x00000001, ios, *(u8 *)((u32)TMD+0x1E7));
free(TMD);
u8 *buffer = NULL;
u32 filesize = 0;
NandTitle::LoadFileFromNand(filepath, &buffer, &filesize);
if(!buffer)
return NULL;
iosinfo_t *iosinfo = (iosinfo_t *) buffer;
if(iosinfo->magicword != 0x1ee7c105 || iosinfo->magicversion != 1)
{
free(buffer);
return NULL;
}
iosinfo = (iosinfo_t *) realloc(buffer, sizeof(iosinfo_t));
if(!iosinfo)
iosinfo = (iosinfo_t *) buffer;
currentIOSInfo = iosinfo;
return iosinfo;
}