mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-11-01 17:15:06 +01:00
262 lines
7.1 KiB
C
262 lines
7.1 KiB
C
/*
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* Copyright (C) 2008 Nuke (wiinuke@gmail.com)
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*
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* this file is part of GeckoOS for USB Gecko
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* http://www.usbgecko.com
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gccore.h>
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#include <sys/unistd.h>
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#include <ogc/ipc.h>
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#include "fst.h"
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#include "gecko.h"
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#include "memory.h"
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#include "patchcode.h"
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#include "codehandler.h"
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#include "codehandleronly.h"
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#include "multidol.h"
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#define FSTDIRTYPE 1
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#define FSTFILETYPE 0
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#define ENTRYSIZE 0xC
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#define MAX_FILENAME_LEN 128
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u8 *codelistend;
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void *codelist;
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u32 gameconfsize = 0;
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u32 *gameconf = NULL;
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u8 debuggerselect = 0;
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extern const u32 viwiihooks[4];
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extern const u32 kpadhooks[4];
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extern const u32 joypadhooks[4];
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extern const u32 gxdrawhooks[4];
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extern const u32 gxflushhooks[4];
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extern const u32 ossleepthreadhooks[4];
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extern const u32 axnextframehooks[4];
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extern const u32 wpadbuttonsdownhooks[4];
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extern const u32 wpadbuttonsdown2hooks[4];
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void app_gameconfig_set(u32 *gameconfig, u32 tempgameconfsize)
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{
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if(gameconfig == NULL)
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return;
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gameconfsize = tempgameconfsize;
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gameconf = malloc(gameconfsize); //internal copy
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memcpy(gameconf, gameconfig, gameconfsize);
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}
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u8 *code_buf = NULL;
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u32 code_size = 0;
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void ocarina_set_codes(void *list, u8 *listend, u8 *cheats, u32 cheatSize)
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{
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codelist = list;
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codelistend = listend;
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if(cheatSize <= 0 || cheats == NULL)
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{
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gprintf("Ocarina: No codes found\n");
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code_buf = NULL;
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code_size = 0;
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return;
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}
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if (cheatSize > (u32)codelistend - (u32)codelist)
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{
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gprintf("Ocarina: Too many codes found.\n");
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code_buf = NULL;
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code_size = 0;
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return;
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}
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code_size = cheatSize;
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code_buf = malloc(code_size); //internal copy
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memcpy(code_buf, cheats, code_size);
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gprintf("Ocarina: Codes found.\n");
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}
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void app_pokevalues()
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{
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u32 i, *codeaddr, *codeaddr2, *addrfound = NULL;
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if (gameconfsize != 0)
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{
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for (i = 0; i < gameconfsize/4; i++)
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{
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if (*(gameconf + i) == 0)
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{
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if (((u32 *) (*(gameconf + i + 1))) == NULL ||
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*((u32 *) (*(gameconf + i + 1))) == *(gameconf + i + 2))
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{
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*((u32 *) (*(gameconf + i + 3))) = *(gameconf + i + 4);
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DCFlushRange((void *) *(gameconf + i + 3), 4);
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}
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i += 4;
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}
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else
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{
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codeaddr = (u32 *)*(gameconf + i + *(gameconf + i) + 1);
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codeaddr2 = (u32 *)*(gameconf + i + *(gameconf + i) + 2);
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if (codeaddr == 0 && addrfound != NULL)
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codeaddr = addrfound;
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else if (codeaddr == 0 && codeaddr2 != 0)
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codeaddr = (u32 *) ((((u32) codeaddr2) >> 28) << 28);
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else if (codeaddr == 0 && codeaddr2 == 0)
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{
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i += *(gameconf + i) + 4;
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continue;
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}
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if (codeaddr2 == 0)
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codeaddr2 = codeaddr + *(gameconf + i);
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addrfound = NULL;
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while (codeaddr <= (codeaddr2 - *(gameconf + i)))
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{
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if (memcmp(codeaddr, gameconf + i + 1, (*(gameconf + i)) * 4) == 0)
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{
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*(codeaddr + ((*(gameconf + i + *(gameconf + i) + 3)) / 4)) = *(gameconf + i + *(gameconf + i) + 4);
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if (addrfound == NULL) addrfound = codeaddr;
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}
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codeaddr++;
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}
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i += *(gameconf + i) + 4;
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}
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}
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}
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}
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void load_handler()
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{
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if(debuggerselect == 0x01)
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{
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gprintf("Ocarina: Debugger selected.\n");
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memcpy((void*)0x80001800, codehandler, codehandler_size);
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if(code_size > 0 && code_buf)
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{
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gprintf("Ocarina: Codes found.\n");
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memcpy((void*)0x80001CDE, &codelist, 2);
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memcpy((void*)0x80001CE2, ((u8*) &codelist) + 2, 2);
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memcpy((void*)0x80001F5A, &codelist, 2);
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memcpy((void*)0x80001F5E, ((u8*) &codelist) + 2, 2);
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}
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else
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{
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gprintf("Ocarina: No Codes found.\n");
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*(u32*)0x80002774 = 1; //pause for debugger
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}
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DCFlushRange((void*)0x80001800, codehandler_size);
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ICInvalidateRange((void*)0x80001800, codehandler_size);
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}
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else
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{
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gprintf("Ocarina: No Debugger selected.\n");
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memcpy((void*)0x80001800, codehandleronly, codehandleronly_size);
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if(code_size > 0 && code_buf)
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{
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gprintf("Ocarina: Codes found.\n");
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memcpy((void*)0x80001906, &codelist, 2);
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memcpy((void*)0x8000190A, ((u8*) &codelist) + 2, 2);
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}
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else
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gprintf("Ocarina: No Codes found.\n");
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DCFlushRange((void*)0x80001800, codehandleronly_size);
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ICInvalidateRange((void*)0x80001800, codehandleronly_size);
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}
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// Load multidol handler
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memcpy((void*)0x80001000, multidol, multidol_size);
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DCFlushRange((void*)0x80001000, multidol_size);
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ICInvalidateRange((void*)0x80001000, multidol_size);
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switch(hooktype)
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{
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case 0x01:
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memcpy((void*)0x8000119C,viwiihooks,12);
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memcpy((void*)0x80001198,viwiihooks+3,4);
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break;
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case 0x02:
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memcpy((void*)0x8000119C,kpadhooks,12);
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memcpy((void*)0x80001198,kpadhooks+3,4);
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break;
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case 0x03:
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memcpy((void*)0x8000119C,joypadhooks,12);
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memcpy((void*)0x80001198,joypadhooks+3,4);
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break;
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case 0x04:
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memcpy((void*)0x8000119C,gxdrawhooks,12);
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memcpy((void*)0x80001198,gxdrawhooks+3,4);
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break;
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case 0x05:
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memcpy((void*)0x8000119C,gxflushhooks,12);
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memcpy((void*)0x80001198,gxflushhooks+3,4);
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break;
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case 0x06:
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memcpy((void*)0x8000119C,ossleepthreadhooks,12);
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memcpy((void*)0x80001198,ossleepthreadhooks+3,4);
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break;
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case 0x07:
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memcpy((void*)0x8000119C,axnextframehooks,12);
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memcpy((void*)0x80001198,axnextframehooks+3,4);
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break;
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case 0x08:
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//if (customhooksize == 16)
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//{
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// memcpy((void*)0x8000119C,customhook,12);
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// memcpy((void*)0x80001198,customhook+3,4);
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//}
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break;
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case 0x09:
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//memcpy((void*)0x8000119C,wpadbuttonsdownhooks,12);
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//memcpy((void*)0x80001198,wpadbuttonsdownhooks+3,4);
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break;
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case 0x0A:
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//memcpy((void*)0x8000119C,wpadbuttonsdown2hooks,12);
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//memcpy((void*)0x80001198,wpadbuttonsdown2hooks+3,4);
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break;
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}
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DCFlushRange((void*)0x80001198,16);
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}
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int ocarina_do_code()
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{
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//if (!code_buf) return 0; // Need the handler loaded for hooking other than cheats!
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load_handler();
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if(codelist)
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memset(codelist, 0, (u32)codelistend - (u32)codelist);
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//Copy the codes
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if(code_size > 0 && code_buf)
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{
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memcpy(codelist, code_buf, code_size);
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DCFlushRange(codelist, (u32)codelistend - (u32)codelist);
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free(code_buf);
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code_buf = NULL;
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}
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// TODO What's this???
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// enable flag
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//*(vu8*)0x80001807 = 0x01;
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//This needs to be done after loading the .dol into memory
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app_pokevalues();
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return 1;
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}
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