WiiFlow_Lite/resources/wiiflow_game_booter/source/main.cpp

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/****************************************************************************
* Copyright (C) 2012 FIX94
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
****************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogcsys.h>
#include <unistd.h>
#include <malloc.h>
#include "Config.hpp"
#include "ChannelHandler.hpp"
#include "video_tinyload.h"
#include "apploader.h"
#include "patchcode.h"
#include "memory.h"
#include "utils.h"
#include "disc.h"
#include "fst.h"
#include "wdvd.h"
#include "gecko.h"
#define EXT_ADDR_CFG ((vu32*)0x90100000)
using namespace std;
IOS_Info CurrentIOS;
/* Boot Variables */
u32 GameIOS = 0;
u32 vmode_reg = 0;
GXRModeObj *vmode = NULL;
u32 AppEntrypoint = 0;
extern "C" {
extern void __exception_closeall();
extern s32 wbfsDev;
extern u32 wbfs_part_idx;
extern FragList *frag_list;
}
the_CFG normalCFG;
int main()
{
InitGecko();
gprintf("WiiFlow External Booter by FIX94\n");
memcpy(&normalCFG, ((void*)*EXT_ADDR_CFG), sizeof(the_CFG));
VIDEO_Init();
video_init();
prog10();
configbytes[0] = normalCFG.configbytes[0];
configbytes[1] = normalCFG.configbytes[1];
hooktype = normalCFG.hooktype;
debuggerselect = normalCFG.debugger;
CurrentIOS = normalCFG.IOS;
set_wip_list(normalCFG.wip_list, normalCFG.wip_count);
app_gameconfig_set(normalCFG.gameconf, normalCFG.gameconfsize);
ocarina_set_codes(normalCFG.codelist, normalCFG.codelistend, normalCFG.cheats, normalCFG.cheatSize);
copy_frag_list(normalCFG.fragments);
wbfsDev = normalCFG.wbfsDevice;
wbfs_part_idx = normalCFG.wbfsPart;
prog10();
/* Setup Low Memory */
Disc_SetLowMemPre();
if(normalCFG.BootType == TYPE_WII_GAME)
{
WDVD_Init();
if(CurrentIOS.Type == IOS_TYPE_D2X)
{
s32 ret = BlockIOSReload();
gprintf("Block IOS Reload using d2x %s.\n", ret < 0 ? "failed" : "succeeded");
}
if(normalCFG.GameBootType == TYPE_WII_DISC)
{
Disc_SetUSB(NULL, false);
if(CurrentIOS.Type == IOS_TYPE_HERMES)
Hermes_Disable_EHC();
if(normalCFG.vidMode > 1) //forcing a video mode
normalCFG.patchVidMode = 1; //always normal patching
}
else
{
Disc_SetUSB((u8*)normalCFG.gameID, normalCFG.GameBootType == TYPE_WII_WBFS_EXT);
if(CurrentIOS.Type == IOS_TYPE_HERMES)
Hermes_shadow_mload();
}
prog(20);
Disc_Open(normalCFG.GameBootType);
u32 offset = 0;
Disc_FindPartition(&offset);
WDVD_OpenPartition(offset, &GameIOS);
if(normalCFG.vidMode == 5)
normalCFG.patchVidMode = 1; //progressive mode requires this
vmode = Disc_SelectVMode(normalCFG.vidMode, &vmode_reg);
AppEntrypoint = Apploader_Run(normalCFG.vidMode, vmode, normalCFG.vipatch, normalCFG.countryString, normalCFG.patchVidMode, normalCFG.aspectRatio,
normalCFG.returnTo, normalCFG.patchregion, normalCFG.private_server, normalCFG.patchFix480p, normalCFG.BootType);
WDVD_Close();
}
else if(normalCFG.BootType == TYPE_CHANNEL)
{
ISFS_Initialize();
*Disc_ID = TITLE_LOWER(normalCFG.title);
vmode = Disc_SelectVMode(normalCFG.vidMode, &vmode_reg);
AppEntrypoint = LoadChannel(normalCFG.title, normalCFG.use_dol, &GameIOS);
PatchChannel(normalCFG.vidMode, vmode, normalCFG.vipatch, normalCFG.countryString, normalCFG.patchVidMode, normalCFG.aspectRatio,
normalCFG.private_server, normalCFG.patchFix480p, normalCFG.BootType);
ISFS_Deinitialize();
}
gprintf("Entrypoint: %08x, Requested Game IOS: %i\n", AppEntrypoint, GameIOS);
setprog(320);
/* Setup Low Memory */
Disc_SetLowMem(GameIOS);
if(normalCFG.BootType == TYPE_CHANNEL && AppEntrypoint != 0x3400)
Disc_SetLowMemChan(); /* Real DOL without appldr */
/* Enable front LED if requested */
if(normalCFG.use_led) *HW_GPIOB_OUT |= 0x20;
/* Set an appropriate video mode */
Disc_SetVMode(vmode, vmode_reg);
/* Shutdown IOS subsystems */
u32 level = IRQ_Disable();
__IOS_ShutdownSubsystems();
__exception_closeall();
/* Originally from tueidj - taken from NeoGamma (thx) */
*(vu32*)0xCC003024 = 1;
if(AppEntrypoint == 0x3400)
{
if(hooktype)
{
asm volatile (
"lis %r3, returnpoint@h\n"
"ori %r3, %r3, returnpoint@l\n"
"mtlr %r3\n"
"lis %r3, 0x8000\n"
"ori %r3, %r3, 0x18A8\n"
"nop\n"
"mtctr %r3\n"
"bctr\n"
"returnpoint:\n"
"bl DCDisable\n"
"bl ICDisable\n"
"li %r3, 0\n"
"mtsrr1 %r3\n"
"lis %r4, AppEntrypoint@h\n"
"ori %r4,%r4,AppEntrypoint@l\n"
"lwz %r4, 0(%r4)\n"
"mtsrr0 %r4\n"
"rfi\n"
);
}
else
{
asm volatile (
"isync\n"
"lis %r3, AppEntrypoint@h\n"
"ori %r3, %r3, AppEntrypoint@l\n"
"lwz %r3, 0(%r3)\n"
"mtsrr0 %r3\n"
"mfmsr %r3\n"
"li %r4, 0x30\n"
"andc %r3, %r3, %r4\n"
"mtsrr1 %r3\n"
"rfi\n"
);
}
}
else if(hooktype)
{
asm volatile (
"lis %r3, AppEntrypoint@h\n"
"ori %r3, %r3, AppEntrypoint@l\n"
"lwz %r3, 0(%r3)\n"
"mtlr %r3\n"
"lis %r3, 0x8000\n"
"ori %r3, %r3, 0x18A8\n"
"nop\n"
"mtctr %r3\n"
"bctr\n"
);
}
else
{
asm volatile (
"lis %r3, AppEntrypoint@h\n"
"ori %r3, %r3, AppEntrypoint@l\n"
"lwz %r3, 0(%r3)\n"
"mtlr %r3\n"
"blr\n"
);
}
IRQ_Restore(level);
return 0;
}