mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-12-23 10:21:55 +01:00
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
#include <gctypes.h>
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#include "IosLoader.h"
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#include "../fatmounter.h"
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#include "../usbloader/usbstorage2.h"
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#include "../wad/nandtitle.h"
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#include "../mload/mload_modules.h"
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#include "../settings/CSettings.h"
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#include "wad/nandtitle.h"
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/******************************************************************************
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* Public Methods:
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******************************************************************************/
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/*
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* Loads CIOS (If possible the one from the settings file).
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* @return 0 if a cios has been successfully loaded. Else a value below 0 is returned.
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*/
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s32 IosLoader::LoadAppCios()
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{
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s32 ret = -1;
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// Unmount devices before reloading IOS.
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SDCard_deInit();
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USBDevice_deInit();
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USBStorage2_Deinit();
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u32 ciosLoadPriority[] = { 250, 249, 222, Settings.cios }; // Descending.
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u32 activeCios = IOS_GetVersion();
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for (u8 i = (sizeof(ciosLoadPriority)/sizeof(ciosLoadPriority[0]))-1; i >= 0; i--)
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{
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u32 cios = ciosLoadPriority[i];
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if (activeCios == cios)
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{
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ret = 0;
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break;
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}
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if ((ret = ReloadIosSafe(cios)) > -1)
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{
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// Remember working cios.
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Settings.cios = cios;
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break;
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}
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}
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// Remount devices after reloading IOS.
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SDCard_Init();
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if (IOS_GetVersion() == 222) load_ehc_module();
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USBDevice_Init();
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return ret;
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}
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/******************************************************************************
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* Private/Protected Methods:
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******************************************************************************/
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/*
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* Reloads a certain IOS under the condition, that an appropriate version of the IOS is installed.
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* @return a negative value if a safe reload of the ios was not possible.
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*/
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s32 IosLoader::ReloadIosSafe(s32 ios)
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{
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switch (ios)
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{
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case 222:
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{
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s32 ios222rev = NandTitles.VersionOf(0x1000000deULL);
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if (ios222rev == 4 || ios222rev == 5 || ios222rev == 65535) break;
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return -2;
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}
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case 223:
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{
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s32 ios223rev = NandTitles.VersionOf(0x1000000dfULL);
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if (ios223rev == 4 || ios223rev == 5 || ios223rev == 65535) break;
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return -2;
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}
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case 249:
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{
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s32 ios249rev = NandTitles.VersionOf(0x1000000f9ULL);
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if (ios249rev < 9 || ios249rev == 65280) return -2;
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break;
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}
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case 250:
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{
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s32 ios250rev = NandTitles.VersionOf(0x1000000faULL);
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if (ios250rev < 9 || ios250rev == 65280) return -2;
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break;
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}
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default:
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return -3;
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}
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s32 r = IOS_ReloadIOS(ios);
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if (r >= 0) WII_Initialize();
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return r;
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}
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