mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-18 07:51:53 +01:00
134 lines
3.3 KiB
C
134 lines
3.3 KiB
C
/***************************************************************************
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* Copyright (C) 2012 OverjoY for Wiiflow
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any
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* damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any
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* purpose, including commercial applications, and to alter it and
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* redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you
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* must not claim that you wrote the original software. If you use
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* this software in a product, an acknowledgment in the product
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* documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and
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* must not be misrepresented as being the original software.
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*
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* 3. This notice may not be removed or altered from any source
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* distribution.
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*
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* nk.c
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*
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***************************************************************************/
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#include <stdio.h>
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#include <ogcsys.h>
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#include <string.h>
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#include <malloc.h>
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#include "nk.h"
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#include "armboot.h"
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#include "memory/mem2.hpp"
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#include "gecko/gecko.hpp"
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bool checked = false;
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bool neek = false;
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u32 kernelSize = 0;
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void *Kernel = NULL;
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bool neek2o(void)
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{
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if(!checked)
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{
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s32 ESHandle = IOS_Open("/dev/es", 0);
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neek = IOS_Ioctlv(ESHandle, 0xA2, 0, 0, NULL) == 0x666c6f77;
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IOS_Close(ESHandle);
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if(!neek)
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{
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u32 num = 0;
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neek = (ISFS_ReadDir("/sneek", NULL, &num) == 0);
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}
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gprintf("WiiFlow is in %s mode\n", neek ? "neek2o" : "real nand");
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checked = true;
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}
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return neek;
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}
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bool Load_Neek2o_Kernel()
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{
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if(neek2o())
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return true;
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FILE *file = NULL;
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file = fopen("usb1:/sneek/kernel.bin", "rb");
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if(!file)
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file = fopen("sd:/sneek/kernel.bin", "rb");
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if(file)
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{
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fseek(file , 0 , SEEK_END);
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kernelSize = ftell(file);
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rewind(file);
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Kernel = malloc(kernelSize);
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if(!Kernel)
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{
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fclose(file);
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return false;
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}
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fread(Kernel, 1, kernelSize, file);
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fclose(file);
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return true;
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}
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return false;
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}
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s32 Launch_nk(u64 TitleID, const char *nandpath, u64 ReturnTo)
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{
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if(neek2o())
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{
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SYS_ResetSystem(SYS_RESTART, 0, 0);
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return 1;
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}
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memcpy((void*)0x91000000, Kernel, kernelSize);
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DCFlushRange((void*)0x91000000, kernelSize);
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free(Kernel);
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memcfg *MC = (memcfg*)malloc(sizeof(memcfg));
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if(MC == NULL)
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return 0;
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memset(MC, 0, sizeof(memcfg));
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MC->magic = 0x666c6f77;
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if(TitleID)
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MC->titleid = TitleID;
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if(ReturnTo)
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{
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MC->returnto = ReturnTo;
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MC->config |= NCON_EXT_RETURN_TO;
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}
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if(nandpath != NULL)
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{
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strcpy(MC->nandpath, nandpath);
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MC->config |= NCON_EXT_NAND_PATH;
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}
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memcpy((void *)0x81200000, MC, sizeof(memcfg));
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DCFlushRange((void *)(0x81200000), sizeof(memcfg));
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free(MC);
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/*** Thnx giantpune! ***/
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void *mini = MEM1_memalign(32, armboot_size);
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if(!mini)
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return 0;
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memcpy(mini, armboot, armboot_size);
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DCFlushRange(mini, armboot_size);
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*(u32*)0xc150f000 = 0x424d454d;
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asm volatile("eieio");
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*(u32*)0xc150f004 = MEM_VIRTUAL_TO_PHYSICAL(mini);
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asm volatile("eieio");
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IOS_ReloadIOS(0xfe);
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MEM1_free(mini);
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return 1;
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}
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