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WiiFlow_Lite/source/loader/fst.c
fix94.1 82d67b6413 mirrored wiiflow r417
2012-01-21 20:57:41 +00:00

649 lines
19 KiB
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/*
* Copyright (C) 2008 Nuke (wiinuke@gmail.com)
*
* this file is part of GeckoOS for USB Gecko
* http://www.usbgecko.com
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gccore.h>
#include <malloc.h>
#include <sys/unistd.h>
#include <ogc/ipc.h>
#include "fst.h"
#include "gecko.h"
#include "sys.h"
#include "patchcode.h"
#include "codehandler.h"
#include "codehandleronly.h"
#include "multidol.h"
#define FSTDIRTYPE 1
#define FSTFILETYPE 0
#define ENTRYSIZE 0xC
#define MAX_FILENAME_LEN 128
static u8 *codelistend;
void *codelist;
u32 gameconfsize = 0;
u32 *gameconf = NULL;
u8 debuggerselect = 0;
extern const u32 viwiihooks[4];
extern const u32 kpadhooks[4];
extern const u32 joypadhooks[4];
extern const u32 gxdrawhooks[4];
extern const u32 gxflushhooks[4];
extern const u32 ossleepthreadhooks[4];
extern const u32 axnextframehooks[4];
extern const u32 wpadbuttonsdownhooks[4];
extern const u32 wpadbuttonsdown2hooks[4];
int app_gameconfig_load(u8 *discid, const u8 *gameconfig, u32 tempgameconfsize)
{
gameconfsize = 0;
if (gameconf == NULL)
{
gameconf = malloc(65536);
if (gameconf == NULL)
return -1;
}
if (gameconfig == NULL || tempgameconfsize == 0)
return -2;
u8 *tempgameconf = (u8 *) gameconfig;
u32 ret;
s32 gameidmatch, maxgameidmatch = -1, maxgameidmatch2 = -1;
u32 i, numnonascii, parsebufpos;
u32 codeaddr, codeval, codeaddr2, codeval2, codeoffset;
u32 temp, tempoffset = 0;
char parsebuffer[18];
// Remove non-ASCII characters
numnonascii = 0;
for (i = 0; i < tempgameconfsize; i++)
{
if (tempgameconf[i] < 9 || tempgameconf[i] > 126)
numnonascii++;
else
tempgameconf[i-numnonascii] = tempgameconf[i];
}
tempgameconfsize -= numnonascii;
*(tempgameconf + tempgameconfsize) = 0;
//gameconf = (tempgameconf + tempgameconfsize) + (4 - (((u32) (tempgameconf + tempgameconfsize)) % 4));
for (maxgameidmatch = 0; maxgameidmatch <= 6; maxgameidmatch++)
{
i = 0;
while (i < tempgameconfsize)
{
maxgameidmatch2 = -1;
while (maxgameidmatch != maxgameidmatch2)
{
while (i != tempgameconfsize && tempgameconf[i] != ':') i++;
if (i == tempgameconfsize) break;
while ((tempgameconf[i] != 10 && tempgameconf[i] != 13) && (i != 0)) i--;
if (i != 0) i++;
parsebufpos = 0;
gameidmatch = 0;
while (tempgameconf[i] != ':')
{
if (tempgameconf[i] == '?')
{
parsebuffer[parsebufpos] = discid[parsebufpos];
parsebufpos++;
gameidmatch--;
i++;
}
else if (tempgameconf[i] != 0 && tempgameconf[i] != ' ')
parsebuffer[parsebufpos++] = tempgameconf[i++];
else if (tempgameconf[i] == ' ')
break;
else
i++;
if (parsebufpos == 8) break;
}
parsebuffer[parsebufpos] = 0;
if (strncasecmp("DEFAULT", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 7)
{
gameidmatch = 0;
goto idmatch;
}
if (strncmp((char *) discid, parsebuffer, strlen(parsebuffer)) == 0)
{
gameidmatch += strlen(parsebuffer);
idmatch:
if (gameidmatch > maxgameidmatch2)
maxgameidmatch2 = gameidmatch;
}
while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13)) i++;
}
while (i != tempgameconfsize && tempgameconf[i] != ':')
{
parsebufpos = 0;
while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13))
{
if (tempgameconf[i] != 0 && tempgameconf[i] != ' ' && tempgameconf[i] != '(' && tempgameconf[i] != ':')
parsebuffer[parsebufpos++] = tempgameconf[i++];
else if (tempgameconf[i] == ' ' || tempgameconf[i] == '(' || tempgameconf[i] == ':')
break;
else
i++;
if (parsebufpos == 17) break;
}
parsebuffer[parsebufpos] = 0;
//if (!autobootcheck)
{
//if (strncasecmp("addtocodelist(", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 14)
//{
// ret = sscanf(tempgameconf + i, "%x %x", &codeaddr, &codeval);
// if (ret == 2)
// addtocodelist(codeaddr, codeval);
//}
if (strncasecmp("codeliststart", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 13)
{
sscanf((char *)(tempgameconf + i), " = %x", (unsigned int *)&codelist);
}
if (strncasecmp("codelistend", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
{
sscanf((char *)(tempgameconf + i), " = %x", (unsigned int *)&codelistend);
}
/*
if (strncasecmp("hooktype", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 8)
{
if (hookset == 1)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 7)
config_bytes[2] = temp;
}
}
*/
if (strncasecmp("poke", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 4)
{
ret = sscanf((char *)tempgameconf + i, "( %x , %x", &codeaddr, &codeval);
if (ret == 2)
{
*(gameconf + (gameconfsize / 4)) = 0;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = 0;
gameconfsize += 8;
*(gameconf + (gameconfsize / 4)) = codeaddr;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeval;
gameconfsize += 4;
DCFlushRange((void *) (gameconf + (gameconfsize / 4) - 5), 20);
}
}
if (strncasecmp("pokeifequal", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
{
ret = sscanf((char *)(tempgameconf + i), "( %x , %x , %x , %x", &codeaddr, &codeval, &codeaddr2, &codeval2);
if (ret == 4)
{
*(gameconf + (gameconfsize / 4)) = 0;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeaddr;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeval;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeaddr2;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeval2;
gameconfsize += 4;
DCFlushRange((void *) (gameconf + (gameconfsize / 4) - 5), 20);
}
}
if (strncasecmp("searchandpoke", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 13)
{
ret = sscanf((char *)(tempgameconf + i), "( %x%n", &codeval, &tempoffset);
if (ret == 1)
{
gameconfsize += 4;
temp = 0;
while (ret == 1)
{
*(gameconf + (gameconfsize / 4)) = codeval;
gameconfsize += 4;
temp++;
i += tempoffset;
ret = sscanf((char *)(tempgameconf + i), " %x%n", &codeval, &tempoffset);
}
*(gameconf + (gameconfsize / 4) - temp - 1) = temp;
ret = sscanf((char *)(tempgameconf + i), " , %x , %x , %x , %x", &codeaddr, &codeaddr2, &codeoffset, &codeval2);
if (ret == 4)
{
*(gameconf + (gameconfsize / 4)) = codeaddr;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeaddr2;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeoffset;
gameconfsize += 4;
*(gameconf + (gameconfsize / 4)) = codeval2;
gameconfsize += 4;
DCFlushRange((void *) (gameconf + (gameconfsize / 4) - temp - 5), temp * 4 + 20);
}
else
gameconfsize -= temp * 4 + 4;
}
}
/*
if (strncasecmp("hook", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 4)
{
ret = sscanf(tempgameconf + i, "( %x %x %x %x %x %x %x %x", customhook, customhook + 1, customhook + 2, customhook + 3, customhook + 4, customhook + 5, customhook + 6, customhook + 7);
if (ret >= 3)
{
if (hookset != 1)
configwarn |= 4;
config_bytes[2] = 0x08;
customhooksize = ret * 4;
}
}
if (strncasecmp("002fix", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 6)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 0x1)
fakeiosversion = temp;
}
if (strncasecmp("switchios", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 9)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
willswitchios = temp;
}
if (strncasecmp("videomode", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 9)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
{
if (temp == 0)
{
if (config_bytes[1] != 0x00)
configwarn |= 1;
config_bytes[1] = 0x00;
}
else if (temp == 1)
{
if (config_bytes[1] != 0x03)
configwarn |= 1;
config_bytes[1] = 0x03;
}
else if (temp == 2)
{
if (config_bytes[1] != 0x01)
configwarn |= 1;
config_bytes[1] = 0x01;
}
else if (temp == 3)
{
if (config_bytes[1] != 0x02)
configwarn |= 1;
config_bytes[1] = 0x02;
}
}
}
if (strncasecmp("language", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 8)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
{
if (temp == 0)
{
if (config_bytes[0] != 0xCD)
configwarn |= 2;
config_bytes[0] = 0xCD;
}
else if (temp > 0 && temp <= 10)
{
if (config_bytes[0] != temp-1)
configwarn |= 2;
config_bytes[0] = temp-1;
}
}
}
if (strncasecmp("diagnostic", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 10)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
{
if (temp == 0 || temp == 1)
diagcreate = temp;
}
}
if (strncasecmp("vidtv", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 5)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
vipatchon = temp;
}
if (strncasecmp("fwritepatch", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
applyfwritepatch = temp;
}
if (strncasecmp("dumpmaindol", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
dumpmaindol = temp;
}
*/
}
/*else
{
if (strncasecmp("autoboot", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 8)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
autoboot = temp;
}
if (strncasecmp("autobootwait", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 12)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 255)
autobootwait = temp;
}
if (strncasecmp("autoboothbc", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 11)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
autoboothbc = temp;
}
if (strncasecmp("autobootocarina", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 15)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
config_bytes[4] = temp;
}
if (strncasecmp("autobootdebugger", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 16)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
config_bytes[7] = temp;
}
if (strncasecmp("rebootermenuitem", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 16)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 1)
rebooterasmenuitem = temp;
}
if (strncasecmp("startupios", parsebuffer, strlen(parsebuffer)) == 0 && strlen(parsebuffer) == 10)
{
ret = sscanf(tempgameconf + i, " = %u", &temp);
if (ret == 1)
if (temp >= 0 && temp <= 255)
{
sdio_Shutdown();
IOS_ReloadIOS(temp);
detectIOScapabilities();
sd_init();
startupiosloaded = 1;
}
}
}*/
if (tempgameconf[i] != ':')
{
while ((i != tempgameconfsize) && (tempgameconf[i] != 10 && tempgameconf[i] != 13)) i++;
if (i != tempgameconfsize) i++;
}
}
if (i != tempgameconfsize) while ((tempgameconf[i] != 10 && tempgameconf[i] != 13) && (i != 0)) i--;
}
}
return 0;
//tempcodelist = ((u8 *) gameconf) + gameconfsize;
}
u8 *code_buf = NULL;
int code_size = 0;
int ocarina_load_code(u8 *id, const u8 *cheat, u32 cheatSize)
{
if (debuggerselect == 0x00)
codelist = (u8 *) 0x800022A8;
else
codelist = (u8 *) 0x800028B8;
codelistend = (u8 *) 0x80003000;
// app_loadgameconfig((char *)id);
code_buf = (u8 *)cheat;
code_size = cheatSize;
if(code_size <= 0)
{
gprintf("Ocarina: No codes found\n");
code_buf = NULL;
code_size = 0;
return 0;
}
if (code_size > (u32)codelistend - (u32)codelist)
{
gprintf("Ocarina: Too many codes found\n");
code_buf = NULL;
code_size = 0;
return 0;
}
gprintf("Ocarina: Codes found.\n");
return code_size;
}
void app_pokevalues()
{
u32 i, *codeaddr, *codeaddr2, *addrfound = NULL;
if (gameconfsize != 0)
{
for (i = 0; i < gameconfsize/4; i++)
{
if (*(gameconf + i) == 0)
{
if (((u32 *) (*(gameconf + i + 1))) == NULL ||
*((u32 *) (*(gameconf + i + 1))) == *(gameconf + i + 2))
{
*((u32 *) (*(gameconf + i + 3))) = *(gameconf + i + 4);
DCFlushRange((void *) *(gameconf + i + 3), 4);
}
i += 4;
}
else
{
codeaddr = (u32 *)*(gameconf + i + *(gameconf + i) + 1);
codeaddr2 = (u32 *)*(gameconf + i + *(gameconf + i) + 2);
if (codeaddr == 0 && addrfound != NULL)
codeaddr = addrfound;
else if (codeaddr == 0 && codeaddr2 != 0)
codeaddr = (u32 *) ((((u32) codeaddr2) >> 28) << 28);
else if (codeaddr == 0 && codeaddr2 == 0)
{
i += *(gameconf + i) + 4;
continue;
}
if (codeaddr2 == 0)
codeaddr2 = codeaddr + *(gameconf + i);
addrfound = NULL;
while (codeaddr <= (codeaddr2 - *(gameconf + i)))
{
if (memcmp(codeaddr, gameconf + i + 1, (*(gameconf + i)) * 4) == 0)
{
*(codeaddr + ((*(gameconf + i + *(gameconf + i) + 3)) / 4)) = *(gameconf + i + *(gameconf + i) + 4);
if (addrfound == NULL) addrfound = codeaddr;
}
codeaddr++;
}
i += *(gameconf + i) + 4;
}
}
}
}
void load_handler()
{
if (hooktype != 0x00)
{
if (debuggerselect == 0x01)
{
gprintf("Debbugger selected is gecko\n");
memset((void*)0x80001800,0,codehandler_size);
memcpy((void*)0x80001800,codehandler,codehandler_size);
//if (pausedstartoption == 0x01)
// *(u32*)0x80002798 = 1;
memcpy((void*)0x80001CDE, &codelist, 2);
memcpy((void*)0x80001CE2, ((u8*) &codelist) + 2, 2);
memcpy((void*)0x80001F5A, &codelist, 2);
memcpy((void*)0x80001F5E, ((u8*) &codelist) + 2, 2);
DCFlushRange((void*)0x80001800,codehandler_size);
}
else
{
gprintf("Debbugger selected is not gecko\n");
memset((void*)0x80001800,0,codehandleronly_size);
memcpy((void*)0x80001800,codehandleronly,codehandleronly_size);
memcpy((void*)0x80001906, &codelist, 2);
memcpy((void*)0x8000190A, ((u8*) &codelist) + 2, 2);
DCFlushRange((void*)0x80001800,codehandleronly_size);
}
// Load multidol handler
memset((void*)0x80001000,0,multidol_size);
memcpy((void*)0x80001000,multidol,multidol_size);
DCFlushRange((void*)0x80001000,multidol_size);
switch(hooktype)
{
case 0x01:
memcpy((void*)0x8000119C,viwiihooks,12);
memcpy((void*)0x80001198,viwiihooks+3,4);
break;
case 0x02:
memcpy((void*)0x8000119C,kpadhooks,12);
memcpy((void*)0x80001198,kpadhooks+3,4);
break;
case 0x03:
memcpy((void*)0x8000119C,joypadhooks,12);
memcpy((void*)0x80001198,joypadhooks+3,4);
break;
case 0x04:
memcpy((void*)0x8000119C,gxdrawhooks,12);
memcpy((void*)0x80001198,gxdrawhooks+3,4);
break;
case 0x05:
memcpy((void*)0x8000119C,gxflushhooks,12);
memcpy((void*)0x80001198,gxflushhooks+3,4);
break;
case 0x06:
memcpy((void*)0x8000119C,ossleepthreadhooks,12);
memcpy((void*)0x80001198,ossleepthreadhooks+3,4);
break;
case 0x07:
memcpy((void*)0x8000119C,axnextframehooks,12);
memcpy((void*)0x80001198,axnextframehooks+3,4);
break;
case 0x08:
//if (customhooksize == 16)
//{
// memcpy((void*)0x8000119C,customhook,12);
// memcpy((void*)0x80001198,customhook+3,4);
//}
break;
case 0x09:
//memcpy((void*)0x8000119C,wpadbuttonsdownhooks,12);
//memcpy((void*)0x80001198,wpadbuttonsdownhooks+3,4);
break;
case 0x0A:
//memcpy((void*)0x8000119C,wpadbuttonsdown2hooks,12);
//memcpy((void*)0x80001198,wpadbuttonsdown2hooks+3,4);
break;
}
DCFlushRange((void*)0x80001198,16);
}
memcpy((void *)0x80001800, (void*)0x80000000, 6);
}
int ocarina_do_code(u64 chantitle)
{
//if (!code_buf) return 0; // Need the handler loaded for hooking other than cheats!
memset((void *)0x80001800, 0, 0x1800);
char gameidbuffer[8];
if(chantitle != 0)
{
memset(gameidbuffer, 0, 8);
gameidbuffer[0] = (chantitle & 0xff000000) >> 24;
gameidbuffer[1] = (chantitle & 0x00ff0000) >> 16;
gameidbuffer[2] = (chantitle & 0x0000ff00) >> 8;
gameidbuffer[3] = chantitle & 0x000000ff;
}
load_handler();
if(chantitle != 0)
{
memcpy((void *)0x80001800, gameidbuffer, 8);
DCFlushRange((void *)0x80001800, 8);
}
if(codelist)
memset(codelist, 0, (u32)codelistend - (u32)codelist);
//Copy the codes
if (code_size > 0 && code_buf)
{
memcpy(codelist, code_buf, code_size);
DCFlushRange(codelist, (u32)codelistend - (u32)codelist);
SAFE_FREE(code_buf);
}
// TODO What's this???
// enable flag
//*(vu8*)0x80001807 = 0x01;
//This needs to be done after loading the .dol into memory
app_pokevalues();
return 1;
}
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