usbloadergx/source/main.cpp
2009-05-30 17:33:35 +00:00

162 lines
4.0 KiB
C++

/*
* loadMii loader v0.3
* main.c
* http://code.google.com/p/loadmii
*
* Copyright 2009 The Lemon Man
* Thanks to luccax, Wiipower, Aurelio and crediar
* usbGecko powered by Nuke
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include <gccore.h>
#include <wiiuse/wpad.h>
#include <fat.h>
#include <sdcard/wiisd_io.h>
#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <ogc/machine/processor.h>
#include "pngu/pngu.h"
#include "video.h"
#include "filelist.h"
#include "dolloader.h"
#include "elfloader.h"
PNGUPROP imgProp;
IMGCTX ctx;
u8 * GetImageData(void) {
u8 * data = NULL;
int ret;
ctx = PNGU_SelectImageFromBuffer(background_png);
if (!ctx)
return NULL;
ret = PNGU_GetImageProperties(ctx, &imgProp);
if (ret != PNGU_OK)
return NULL;
int len = imgProp.imgWidth * imgProp.imgHeight * 4;
if(len%32) len += (32-len%32);
data = (u8 *)memalign (32, len);
ret = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
DCFlushRange(data, len);
PNGU_ReleaseImageContext(ctx);
return data;
}
void Background_Show(int x, int y, int z, u8 * data, int angle, int scaleX, int scaleY, int alpha)
{
/* Draw image */
Menu_DrawImg(x, y, z, imgProp.imgWidth, imgProp.imgHeight, data, angle, scaleX, scaleY, alpha);
}
int main(int argc, char **argv) {
u32 cookie;
FILE *exeFile;
void *exeBuffer = (void *)EXECUTABLE_MEM_ADDR;
int exeSize = 0;
u32 exeEntryPointAddress = 0;
entrypoint exeEntryPoint;
/* int videomod */
InitVideo();
/* get imagedata */
u8 * imgdata = GetImageData();
/* fadein of image */
for(int i = 0; i < 255; i = i+10) {
if(i>255) i = 255;
Background_Show(0, 0, 0, imgdata, 0, 1, 1, i);
Menu_Render();
}
/* check devices */
__io_wiisd.startup();
fatMount("SD", &__io_wiisd, 0, 32, 128);
/* Open dol File and check exist */
exeFile = fopen ("SD:/apps/usbloader_gx/boot.dol" ,"rb");
if (exeFile==NULL) {
fclose(exeFile);
exeFile = fopen ("SD:/apps/usbloader_gx/boot.elf" ,"rb");
if (exeFile==NULL) {
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
}
}
fseek (exeFile, 0, SEEK_END);
exeSize = ftell(exeFile);
fseek (exeFile, 0, SEEK_SET);
if(fread (exeBuffer, 1, exeSize, exeFile) != (unsigned int) exeSize) {
printf("Can't open DOL File...\n");
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);;
}
fclose (exeFile);
/* load entry point */
struct __argv args[10];
int ret = valid_elf_image(exeBuffer);
if (ret == 1) {
exeEntryPointAddress = load_elf_image(exeBuffer);
} else {
exeEntryPointAddress = load_dol_image(exeBuffer, args);
}
/* fadeout of image */
for(int i = 255; i > 1; i = i-7) {
if(i < 0) i = 0;
Background_Show(0, 0, 0, imgdata, 0, 1, 1, i);
Menu_Render();
}
fatUnmount("SD");
__io_wiisd.shutdown();
StopGX();
if (exeEntryPointAddress == 0) {
printf("EntryPointAddress failed...\n");
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);;
}
exeEntryPoint = (entrypoint) exeEntryPointAddress;
/* cleaning up and load dol */
SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
_CPU_ISR_Disable (cookie);
__exception_closeall ();
exeEntryPoint ();
_CPU_ISR_Restore (cookie);
return 0;
}