mirror of
https://github.com/Fledge68/WiiFlow_Lite.git
synced 2024-12-27 04:11:57 +01:00
bdab5cf650
-using low mem setup of GX, because it got more expainations what is what and works fine so why now ;) -allocating memory to find partition dynamically now to prevent the function from overwriting something maybe in wiiflow -moved cheat file loading to mem2, because we cant just allocate the memory *somewhere* as it was before -categories should be found faster now (thanks yardape8000 for tip) -we dont need to debug print if we set gecko debugging on or not :P
458 lines
13 KiB
C
458 lines
13 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 "sys.h"
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#include "mem2.hpp"
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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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static 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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int app_gameconfig_load(u8 *discid, const u8 *gameconfig, u32 tempgameconfsize)
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{
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gameconfsize = 0;
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if (gameconf == NULL)
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{
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gameconf = MEM2_alloc(65536);
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if (gameconf == NULL)
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return -1;
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}
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if (gameconfig == NULL || tempgameconfsize == 0)
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return -2;
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u8 *tempgameconf = (u8 *)gameconfig;
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u32 ret;
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s32 gameidmatch, maxgameidmatch = -1, maxgameidmatch2 = -1;
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u32 i, numnonascii, parsebufpos;
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u32 codeaddr, codeval, codeaddr2, codeval2, codeoffset;
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u32 temp, tempoffset = 0;
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char parsebuffer[18];
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// Remove non-ASCII characters
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numnonascii = 0;
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for (i = 0; i < tempgameconfsize; i++)
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{
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if (tempgameconf[i] < 9 || tempgameconf[i] > 126)
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numnonascii++;
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else
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tempgameconf[i-numnonascii] = tempgameconf[i];
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}
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tempgameconfsize -= numnonascii;
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*(tempgameconf + tempgameconfsize) = 0;
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//gameconf = (tempgameconf + tempgameconfsize) + (4 - (((u32) (tempgameconf + tempgameconfsize)) % 4));
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for (maxgameidmatch = 0; maxgameidmatch <= 6; maxgameidmatch++)
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{
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i = 0;
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while (i < tempgameconfsize)
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{
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maxgameidmatch2 = -1;
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while (maxgameidmatch != maxgameidmatch2)
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{
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while (i != tempgameconfsize && tempgameconf[i] != ':') i++;
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if (i == tempgameconfsize) break;
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while ((tempgameconf[i] != 10 && tempgameconf[i] != 13) && (i != 0)) i--;
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if (i != 0) i++;
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parsebufpos = 0;
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gameidmatch = 0;
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while (tempgameconf[i] != ':')
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{
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if (tempgameconf[i] == '?')
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{
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parsebuffer[parsebufpos] = discid[parsebufpos];
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parsebufpos++;
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gameidmatch--;
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i++;
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}
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else if (tempgameconf[i] != 0 && tempgameconf[i] != ' ')
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parsebuffer[parsebufpos++] = tempgameconf[i++];
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else if (tempgameconf[i] == ' ')
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break;
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else
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i++;
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if (parsebufpos == 8) break;
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}
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parsebuffer[parsebufpos] = 0;
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if (strncasecmp("DEFAULT", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 7)
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{
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gameidmatch = 0;
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goto idmatch;
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}
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if (strncmp((char *) discid, parsebuffer, strlen(parsebuffer)) == 0)
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{
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gameidmatch += strlen(parsebuffer);
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idmatch:
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if (gameidmatch > maxgameidmatch2)
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maxgameidmatch2 = gameidmatch;
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}
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while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13)) i++;
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}
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while (i != tempgameconfsize && tempgameconf[i] != ':')
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{
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parsebufpos = 0;
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while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13))
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{
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if (tempgameconf[i] != 0 && tempgameconf[i] != ' ' && tempgameconf[i] != '(' && tempgameconf[i] != ':')
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parsebuffer[parsebufpos++] = tempgameconf[i++];
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else if (tempgameconf[i] == ' ' || tempgameconf[i] == '(' || tempgameconf[i] == ':')
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break;
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else
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i++;
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if (parsebufpos == 17) break;
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}
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parsebuffer[parsebufpos] = 0;
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if (strncasecmp("codeliststart", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 13)
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{
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sscanf((char *)(tempgameconf + i), " = %x", (unsigned int *)&codelist);
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}
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if (strncasecmp("codelistend", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
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{
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sscanf((char *)(tempgameconf + i), " = %x", (unsigned int *)&codelistend);
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}
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if (strncasecmp("poke", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 4)
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{
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ret = sscanf((char *)tempgameconf + i, "( %x , %x", &codeaddr, &codeval);
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if (ret == 2)
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{
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*(gameconf + (gameconfsize / 4)) = 0;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = 0;
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gameconfsize += 8;
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*(gameconf + (gameconfsize / 4)) = codeaddr;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeval;
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gameconfsize += 4;
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DCFlushRange((void *) (gameconf + (gameconfsize / 4) - 5), 20);
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}
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}
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if (strncasecmp("pokeifequal", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
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{
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ret = sscanf((char *)(tempgameconf + i), "( %x , %x , %x , %x", &codeaddr, &codeval, &codeaddr2, &codeval2);
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if (ret == 4)
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{
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*(gameconf + (gameconfsize / 4)) = 0;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeaddr;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeval;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeaddr2;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeval2;
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gameconfsize += 4;
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DCFlushRange((void *) (gameconf + (gameconfsize / 4) - 5), 20);
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}
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}
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if (strncasecmp("searchandpoke", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 13)
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{
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ret = sscanf((char *)(tempgameconf + i), "( %x%n", &codeval, &tempoffset);
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if (ret == 1)
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{
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gameconfsize += 4;
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temp = 0;
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while (ret == 1)
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{
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*(gameconf + (gameconfsize / 4)) = codeval;
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gameconfsize += 4;
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temp++;
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i += tempoffset;
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ret = sscanf((char *)(tempgameconf + i), " %x%n", &codeval, &tempoffset);
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}
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*(gameconf + (gameconfsize / 4) - temp - 1) = temp;
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ret = sscanf((char *)(tempgameconf + i), " , %x , %x , %x , %x", &codeaddr, &codeaddr2, &codeoffset, &codeval2);
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if (ret == 4)
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{
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*(gameconf + (gameconfsize / 4)) = codeaddr;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeaddr2;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeoffset;
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gameconfsize += 4;
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*(gameconf + (gameconfsize / 4)) = codeval2;
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gameconfsize += 4;
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DCFlushRange((void *) (gameconf + (gameconfsize / 4) - temp - 5), temp * 4 + 20);
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}
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else
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gameconfsize -= temp * 4 + 4;
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}
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}
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if (tempgameconf[i] != ':')
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{
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while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13)) i++;
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if (i != tempgameconfsize) i++;
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}
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}
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if (i != tempgameconfsize) while ((tempgameconf[i] != 10 && tempgameconf[i] != 13) && (i != 0)) i--;
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}
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}
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MEM2_free(gameconf);
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return 0;
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}
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u8 *code_buf = NULL;
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u32 code_size = 0;
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int ocarina_load_code(const u8 *cheat, u32 cheatSize)
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{
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if (debuggerselect == 0x00)
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codelist = (u8 *) 0x800022A8;
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else
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codelist = (u8 *) 0x800028B8;
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codelistend = (u8 *) 0x80003000;
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code_buf = (u8 *)cheat;
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code_size = cheatSize;
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if(code_size <= 0)
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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 0;
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}
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if (code_size > (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 0;
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}
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gprintf("Ocarina: Codes found.\n");
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return code_size;
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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 (hooktype != 0x00)
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{
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if (debuggerselect == 0x01)
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{
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//gprintf("Debbugger selected is gecko\n");
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memset((void*)0x80001800,0,codehandler_size);
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memcpy((void*)0x80001800,codehandler,codehandler_size);
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//if (pausedstartoption == 0x01)
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// *(u32*)0x80002798 = 1;
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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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DCFlushRange((void*)0x80001800,codehandler_size);
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}
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else
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{
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//gprintf("Debbugger selected is not gecko\n");
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memset((void*)0x80001800,0,codehandleronly_size);
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memcpy((void*)0x80001800,codehandleronly,codehandleronly_size);
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memcpy((void*)0x80001906, &codelist, 2);
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memcpy((void*)0x8000190A, ((u8*) &codelist) + 2, 2);
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DCFlushRange((void*)0x80001800,codehandleronly_size);
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}
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// Load multidol handler
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memset((void*)0x80001000,0,multidol_size);
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memcpy((void*)0x80001000,multidol,multidol_size);
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DCFlushRange((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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memcpy((void *)0x80001800, (void*)0x80000000, 6);
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}
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int ocarina_do_code(u64 chantitle)
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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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memset((void *)0x80001800, 0, 0x1800);
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char gameidbuffer[8];
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if(chantitle != 0)
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{
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memset(gameidbuffer, 0, 8);
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gameidbuffer[0] = (chantitle & 0xff000000) >> 24;
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gameidbuffer[1] = (chantitle & 0x00ff0000) >> 16;
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gameidbuffer[2] = (chantitle & 0x0000ff00) >> 8;
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gameidbuffer[3] = chantitle & 0x000000ff;
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}
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load_handler();
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if(chantitle != 0)
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{
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memcpy((void *)0x80001800, gameidbuffer, 8);
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DCFlushRange((void *)0x80001800, 8);
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}
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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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MEM2_free(code_buf);
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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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