mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-16 00:15:08 +01:00
162 lines
4.0 KiB
C++
162 lines
4.0 KiB
C++
/*
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* loadMii loader v0.3
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* main.c
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* http://code.google.com/p/loadmii
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*
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* Copyright 2009 The Lemon Man
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* Thanks to luccax, Wiipower, Aurelio and crediar
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* usbGecko powered by Nuke
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*/
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#include <gccore.h>
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#include <wiiuse/wpad.h>
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#include <fat.h>
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#include <sdcard/wiisd_io.h>
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#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ogc/machine/processor.h>
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#include "pngu/pngu.h"
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#include "video.h"
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#include "filelist.h"
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#include "dolloader.h"
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#include "elfloader.h"
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PNGUPROP imgProp;
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IMGCTX ctx;
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u8 * GetImageData(void) {
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u8 * data = NULL;
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int ret;
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ctx = PNGU_SelectImageFromBuffer(background_png);
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if (!ctx)
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return NULL;
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ret = PNGU_GetImageProperties(ctx, &imgProp);
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if (ret != PNGU_OK)
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return NULL;
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int len = imgProp.imgWidth * imgProp.imgHeight * 4;
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if(len%32) len += (32-len%32);
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data = (u8 *)memalign (32, len);
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ret = PNGU_DecodeTo4x4RGBA8 (ctx, imgProp.imgWidth, imgProp.imgHeight, data, 255);
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DCFlushRange(data, len);
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PNGU_ReleaseImageContext(ctx);
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return data;
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}
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void Background_Show(int x, int y, int z, u8 * data, int angle, int scaleX, int scaleY, int alpha)
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{
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/* Draw image */
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Menu_DrawImg(x, y, z, imgProp.imgWidth, imgProp.imgHeight, data, angle, scaleX, scaleY, alpha);
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}
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int main(int argc, char **argv) {
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u32 cookie;
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FILE *exeFile;
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void *exeBuffer = (void *)EXECUTABLE_MEM_ADDR;
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int exeSize = 0;
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u32 exeEntryPointAddress = 0;
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entrypoint exeEntryPoint;
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/* int videomod */
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InitVideo();
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/* get imagedata */
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u8 * imgdata = GetImageData();
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/* fadein of image */
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for(int i = 0; i < 255; i = i+10) {
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if(i>255) i = 255;
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Background_Show(0, 0, 0, imgdata, 0, 1, 1, i);
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Menu_Render();
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}
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/* check devices */
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__io_wiisd.startup();
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fatMount("SD", &__io_wiisd, 0, 32, 128);
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/* Open dol File and check exist */
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exeFile = fopen ("SD:/apps/usbloader_gx/boot.dol" ,"rb");
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if (exeFile==NULL) {
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fclose(exeFile);
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exeFile = fopen ("SD:/apps/usbloader_gx/boot.elf" ,"rb");
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if (exeFile==NULL) {
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SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
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}
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}
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fseek (exeFile, 0, SEEK_END);
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exeSize = ftell(exeFile);
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fseek (exeFile, 0, SEEK_SET);
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if(fread (exeBuffer, 1, exeSize, exeFile) != (unsigned int) exeSize) {
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printf("Can't open DOL File...\n");
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SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);;
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}
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fclose (exeFile);
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/* load entry point */
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struct __argv args[10];
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int ret = valid_elf_image(exeBuffer);
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if (ret == 1) {
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exeEntryPointAddress = load_elf_image(exeBuffer);
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} else {
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exeEntryPointAddress = load_dol_image(exeBuffer, args);
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}
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/* fadeout of image */
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for(int i = 255; i > 1; i = i-7) {
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if(i < 0) i = 0;
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Background_Show(0, 0, 0, imgdata, 0, 1, 1, i);
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Menu_Render();
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}
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fatUnmount("SD");
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__io_wiisd.shutdown();
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StopGX();
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if (exeEntryPointAddress == 0) {
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printf("EntryPointAddress failed...\n");
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SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);;
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}
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exeEntryPoint = (entrypoint) exeEntryPointAddress;
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/* cleaning up and load dol */
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SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
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_CPU_ISR_Disable (cookie);
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__exception_closeall ();
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exeEntryPoint ();
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_CPU_ISR_Restore (cookie);
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return 0;
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}
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