WiiFlow_Lite/resources/wiiflow_game_booter/source/apploader.c
fix94.1 0e5a5b4abd -fixed banners random crashes and codedumps
-WIP commit for wii game/channel booting, now uses a internal
extra dol file to boot wii games and channels, that should be a
better way to fix game and channel booting
2012-08-12 21:26:24 +00:00

263 lines
7.9 KiB
C

#include <stdio.h>
#include <ogcsys.h>
#include <string.h>
#include <malloc.h>
#include "apploader.h"
#include "wdvd.h"
#include "patchcode.h"
#include "videopatch.h"
#include "cios.h"
#include "fst.h"
#include "wip.h"
/* Apploader function pointers */
typedef int (*app_main)(void **dst, int *size, int *offset);
typedef void (*app_init)(void (*report)(const char *fmt, ...));
typedef void *(*app_final)();
typedef void (*app_entry)(void (**init)(void (*report)(const char *fmt, ...)), int (**main)(), void *(**final)());
/* Apploader pointers */
static u8 *appldr = (u8 *)0x81200000;
/* Constants */
#define APPLDR_OFFSET 0x2440
/* Variables */
static u32 buffer[0x20] ATTRIBUTE_ALIGN(32);
void maindolpatches(void *dst, int len, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes, int aspectRatio, u32 returnTo);
static void patch_NoDiscinDrive(void *buffer, u32 len);
static void Anti_002_fix(void *Address, int Size);
static bool Remove_001_Protection(void *Address, int Size);
static bool PrinceOfPersiaPatch();
static bool NewSuperMarioBrosPatch();
bool hookpatched = false;
static void no_print(const char*a __attribute__((unused)),...){}
s32 Apploader_Run(entry_point *entry, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes, int aspectRatio, u32 returnTo)
{
void *dst = NULL;
int len = 0;
int offset = 0;
u32 appldr_len;
s32 ret;
app_init appldr_init;
app_main appldr_main;
app_final appldr_final;
/* Read apploader header */
ret = WDVD_Read(buffer, 0x20, APPLDR_OFFSET);
if(ret < 0)
return ret;
/* Calculate apploader length */
appldr_len = buffer[5] + buffer[6];
/* Read apploader code */
ret = WDVD_Read(appldr, appldr_len, APPLDR_OFFSET + 0x20);
if(ret < 0)
return ret;
/* Flush into memory */
DCFlushRange(appldr, appldr_len);
ICInvalidateRange(appldr, appldr_len);
/* Set apploader entry function */
app_entry appldr_entry = (app_entry)buffer[4];
/* Call apploader entry */
appldr_entry(&appldr_init, &appldr_main, &appldr_final);
/* Initialize apploader */
appldr_init(no_print);
while(appldr_main(&dst, &len, &offset))
{
/* Read data from DVD */
WDVD_Read(dst, len, (u64)(offset << 2));
maindolpatches(dst, len, vidMode, vmode, vipatch, countryString, patchVidModes, aspectRatio, returnTo);
}
free_wip();
if(hooktype != 0 && hookpatched)
ocarina_do_code();
/* Set entry point from apploader */
*entry = appldr_final();
/* ERROR 002 fix (WiiPower) */
*(u32 *)0x80003140 = *(u32 *)0x80003188;
DCFlushRange((void*)0x80000000, 0x3f00);
return 0;
}
void maindolpatches(void *dst, int len, u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes, int aspectRatio, u32 returnTo)
{
PrinceOfPersiaPatch();
NewSuperMarioBrosPatch();
// Patch NoDiscInDrive only for IOS 249 < rev13 or IOS 222/223/224
if((CurrentIOS.Type == IOS_TYPE_WANIN && CurrentIOS.Revision < 13) || CurrentIOS.Type == IOS_TYPE_HERMES)
patch_NoDiscinDrive(dst, len);
patchVideoModes(dst, len, vidMode, vmode, patchVidModes);
if(hooktype != 0 && dogamehooks(dst, len, false))
hookpatched = true;
if(vipatch)
vidolpatcher(dst, len);
if(configbytes[0] != 0xCD)
langpatcher(dst, len);
if(CurrentIOS.Type == IOS_TYPE_WANIN && CurrentIOS.Revision < 13)
Anti_002_fix(dst, len);
if(countryString)
PatchCountryStrings(dst, len); // Country Patch by WiiPower
if(aspectRatio != -1)
PatchAspectRatio(dst, len, aspectRatio);
if(returnTo)
PatchReturnTo(dst, len, returnTo);
Remove_001_Protection(dst, len);
do_wip_code((u8 *)dst, len);
DCFlushRange(dst, len);
ICInvalidateRange(dst, len);
}
static void patch_NoDiscinDrive(void *buffer, u32 len)
{
static const u8 oldcode[] = {0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x41, 0x82, 0x00, 0x0C};
static const u8 newcode[] = {0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x48, 0x00, 0x00, 0x0C};
u32 n;
/* Patch cover register */
for(n = 0; n < len - sizeof oldcode; n += 4) // n is not 4 aligned here, so you can get an out of buffer thing
{
if (memcmp(buffer + n, (void *)oldcode, sizeof oldcode) == 0)
memcpy(buffer + n, (void *)newcode, sizeof newcode);
}
}
static void Anti_002_fix(void *Address, int Size)
{
static const u8 SearchPattern[] = {0x2C, 0x00, 0x00, 0x00, 0x48, 0x00, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00};
static const u8 PatchData[] = {0x2C, 0x00, 0x00, 0x00, 0x40, 0x82, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00};
void *Addr = Address;
void *Addr_end = Address + Size;
while(Addr <= Addr_end - sizeof SearchPattern)
{
if(memcmp(Addr, SearchPattern, sizeof SearchPattern) == 0)
memcpy(Addr, PatchData, sizeof PatchData);
Addr += 4;
}
}
static bool PrinceOfPersiaPatch()
{
if (memcmp("SPX", (char *) 0x80000000, 3) != 0 && memcmp("RPW", (char *) 0x80000000, 3) != 0)
return false;
WIP_Code * CodeList = malloc(5 * sizeof(WIP_Code));
CodeList[0].offset = 0x007AAC6A;
CodeList[0].srcaddress = 0x7A6B6F6A;
CodeList[0].dstaddress = 0x6F6A7A6B;
CodeList[1].offset = 0x007AAC75;
CodeList[1].srcaddress = 0x7C7A6939;
CodeList[1].dstaddress = 0x69397C7A;
CodeList[2].offset = 0x007AAC82;
CodeList[2].srcaddress = 0x7376686B;
CodeList[2].dstaddress = 0x686B7376;
CodeList[3].offset = 0x007AAC92;
CodeList[3].srcaddress = 0x80717570;
CodeList[3].dstaddress = 0x75708071;
CodeList[4].offset = 0x007AAC9D;
CodeList[4].srcaddress = 0x82806F3F;
CodeList[4].dstaddress = 0x6F3F8280;
if (set_wip_list(CodeList, 5) == false)
{
free(CodeList);
CodeList = NULL;
return false;
}
return true;
}
static bool NewSuperMarioBrosPatch()
{
WIP_Code * CodeList = NULL;
if (memcmp("SMNE01", (char *) 0x80000000, 6) == 0)
{
CodeList = malloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB610;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CED53;
CodeList[1].srcaddress = 0xDA000000;
CodeList[1].dstaddress = 0x71000000;
CodeList[2].offset = 0x001CED6B;
CodeList[2].srcaddress = 0xDA000000;
CodeList[2].dstaddress = 0x71000000;
}
else if (memcmp("SMNP01", (char *) 0x80000000, 6) == 0)
{
CodeList = malloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB750;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CEE90;
CodeList[1].srcaddress = 0x38A000DA;
CodeList[1].dstaddress = 0x38A00071;
CodeList[2].offset = 0x001CEEA8;
CodeList[2].srcaddress = 0x388000DA;
CodeList[2].dstaddress = 0x38800071;
}
else if (memcmp("SMNJ01", (char *) 0x80000000, 6) == 0)
{
CodeList = malloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB420;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CEB63;
CodeList[1].srcaddress = 0xDA000000;
CodeList[1].dstaddress = 0x71000000;
CodeList[2].offset = 0x001CEB7B;
CodeList[2].srcaddress = 0xDA000000;
CodeList[2].dstaddress = 0x71000000;
}
if (CodeList && set_wip_list(CodeList, 3) == false)
{
free(CodeList);
CodeList = NULL;
return false;
}
return CodeList != NULL;
}
static bool Remove_001_Protection(void *Address, int Size)
{
static const u8 SearchPattern[] = {0x40, 0x82, 0x00, 0x0C, 0x38, 0x60, 0x00, 0x01, 0x48, 0x00, 0x02, 0x44, 0x38, 0x61, 0x00, 0x18};
static const u8 PatchData[] = {0x40, 0x82, 0x00, 0x04, 0x38, 0x60, 0x00, 0x01, 0x48, 0x00, 0x02, 0x44, 0x38, 0x61, 0x00, 0x18};
u8 *Addr_end = Address + Size;
u8 *Addr;
for (Addr = Address; Addr <= Addr_end - sizeof SearchPattern; Addr += 4)
{
if (memcmp(Addr, SearchPattern, sizeof SearchPattern) == 0)
{
memcpy(Addr, PatchData, sizeof PatchData);
return true;
}
}
return false;
}