WiiFlow_Lite/resources/wiiflow_game_booter/source/ChannelHandler.cpp

275 lines
8.7 KiB
C++

/***************************************************************************
* Copyright (C) 2010
* by dude
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* Channel Launcher Class
*
* for WiiXplorer 2010
***************************************************************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ogcsys.h>
#include <unistd.h>
#include <malloc.h>
#include "ChannelHandler.hpp"
#include "patchcode.h"
#include "cios.h"
#include "fs.h"
#include "fst.h"
#include "lz77.h"
#include "utils.h"
#include "videopatch.h"
#include "video_tinyload.h"
#include "apploader.h"
#include "memory.h"
void *dolchunkoffset[18];
u32 dolchunksize[18];
u32 dolchunkcount;
u32 bootcontent;
bool isForwarder = false;
char filepath[ISFS_MAXPATH] ATTRIBUTE_ALIGN(32);
static u8 *GetDol(u32 bootcontent, u64 title)
{
snprintf(filepath, ISFS_MAXPATH, "/title/%08x/%08x/content/%08x.app", TITLE_UPPER(title), TITLE_LOWER(title), bootcontent);
u32 contentSize = 0;
u8 *data = ISFS_GetFile(filepath, &contentSize, -1);
if(data != NULL && contentSize != 0)
{
if(isLZ77compressed(data))
{
u8 *decompressed;
u32 size = 0;
if(decompressLZ77content(data, contentSize, &decompressed, &size) < 0)
{
free(data);
return NULL;
}
free(data);
data = decompressed;
}
return data;
}
return NULL;
}
static bool GetAppNameFromTmd(bool dol, u32 *bootcontent, u64 title, u32 *IOS)
{
static const u8 dolsign[6] = {0x00, 0x00, 0x01, 0x00, 0x00, 0x00};
static u8 dolhead[32] ATTRIBUTE_ALIGN(32);
bool found = false;
snprintf(filepath, ISFS_MAXPATH, "/title/%08x/%08x/content/title.tmd", TITLE_UPPER(title), TITLE_LOWER(title));
u32 size;
u8 *data = ISFS_GetFile(filepath, &size, -1);
if(data == NULL || size < 0x208)
return found;
*IOS = data[0x18B];
_tmd *tmd_file = (_tmd *)SIGNATURE_PAYLOAD((u32 *)data);
if(dol)
{
// check for dol signature - channels and vc
for(u32 i = 0; i < tmd_file->num_contents; ++i)
{
if(tmd_file->contents[i].index == tmd_file->boot_index)
continue; // Skip app loader
snprintf(filepath, ISFS_MAXPATH, "/title/%08x/%08x/content/%08x.app", TITLE_UPPER(title), TITLE_LOWER(title), tmd_file->contents[i].cid);
s32 fd = ISFS_Open(filepath, ISFS_OPEN_READ);
if(fd < 0)
continue;
s32 ret = ISFS_Read(fd, dolhead, 32);
ISFS_Close(fd);
if(ret != 32)
continue;
if(memcmp(dolhead, dolsign, sizeof(dolsign)) == 0)
{
// Normal channels and VC use 1
if(tmd_file->contents[i].index != 1)// forwarder channel
isForwarder = true;
*bootcontent = tmd_file->contents[i].cid;
found = true;
break;
}
}
}
if(!found) // WiiWare not matching a dol signature or apploader selected
{
for(u32 i = 0; i < tmd_file->num_contents; ++i)
{
if(tmd_file->contents[i].index == (dol ? 0x01 : tmd_file->boot_index))
{
*bootcontent = tmd_file->contents[i].cid;
found = true;
break;
}
}
}
//fall back to app loader if main dol wanted but not found
if(!found && dol)
{
*bootcontent = tmd_file->contents[tmd_file->boot_index].cid;
found = true;
}
free(data);
return found;
}
static u32 MoveDol(u8 *buffer)
{
dolchunkcount = 0;
dolheader *dolfile = (dolheader *)buffer;
if(dolfile->bss_start)// if start is not zero
{
if(!(dolfile->bss_start & 0x80000000))// if start isn't >=80000000
dolfile->bss_start |= 0x80000000;// set it to 80000000 or greater
memset((void *)dolfile->bss_start, 0, dolfile->bss_size);
DCFlushRange((void *)dolfile->bss_start, dolfile->bss_size);
ICInvalidateRange((void *)dolfile->bss_start, dolfile->bss_size);
}
for(u8 i = 0; i < 18; i++)
{
if(!dolfile->section_size[i])// if section size is zero don't move
continue;
if(dolfile->section_pos[i] < sizeof(dolheader)) // if section position is within the header don't move
continue;
if(!(dolfile->section_start[i] & 0x80000000)) // maker sure section start is 80000000 or greater
dolfile->section_start[i] |= 0x80000000;
dolchunkoffset[dolchunkcount] = (void *)dolfile->section_start[i];
dolchunksize[dolchunkcount] = dolfile->section_size[i];
memmove(dolchunkoffset[dolchunkcount], buffer + dolfile->section_pos[i], dolchunksize[dolchunkcount]);
dolchunkcount++;
prog(5);
}
return dolfile->entry_point;
}
u32 LoadChannel(u64 title, bool dol, u32 *IOS)
{
u32 entry = 0;
GetAppNameFromTmd(dol, &bootcontent, title, IOS);
u8 *data = GetDol(bootcontent, title);
entry = MoveDol(data);
free(data);
// Preparations
memset((void *)Disc_ID, 0, 6);
*Disc_ID = TITLE_LOWER(title); // Game ID
*Arena_H = 0; // Arena High, the apploader does this too
*BI2 = 0x817FE000; // BI2, the apploader does this too
*Bus_Speed = 0x0E7BE2C0; // bus speed
*CPU_Speed = 0x2B73A840; // cpu speed
*GameID_Address = 0x81000000; // Game id address, while there's all 0s at 0x81000000 when using the apploader...
memcpy((void *)Online_Check, (void *)Disc_ID, 4); // online check
memset((void *)0x817FE000, 0, 0x2000); // Clearing BI2
DCFlushRange((void *)0x817FE000, 0x2000);
return entry;
}
void PatchChannel(u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryString, u8 patchVidModes, int aspectRatio,
u32 returnTo, u8 private_server, const char *server_addr, u8 videoWidth, bool patchFix480p, u8 deflicker, u8 bootType)
{
u8 vfilter_off[7] = {0, 0, 21, 22, 21, 0, 0};
u8 vfilter_low[7] = {4, 4, 16, 16, 16, 4, 4};
u8 vfilter_medium[7] = {4, 8, 12, 16, 12, 8, 4};
u8 vfilter_high[7] = {8, 8, 10, 12, 10, 8, 8};
bool hookpatched = false;
for(u8 i = 0; i < dolchunkcount; i++)
{
patchVideoModes(dolchunkoffset[i], dolchunksize[i], vidMode, vmode, patchVidModes, bootType);
if(vipatch)
vidolpatcher(dolchunkoffset[i], dolchunksize[i]);
if(configbytes[0] != 0xCD)
langpatcher(dolchunkoffset[i], dolchunksize[i]);
if(countryString)
PatchCountryStrings(dolchunkoffset[i], dolchunksize[i]);
if(aspectRatio != -1)
PatchAspectRatio(dolchunkoffset[i], dolchunksize[i], aspectRatio);
if(returnTo)
PatchReturnTo(dolchunkoffset[i], dolchunksize[i], returnTo);
if(private_server)
PrivateServerPatcher(dolchunkoffset[i], dolchunksize[i], private_server, server_addr);
if(hooktype != 0 && hookpatched == false)
hookpatched = dogamehooks(dolchunkoffset[i], dolchunksize[i], true);
if (videoWidth == WIDTH_FRAMEBUFFER)
patch_width(dolchunkoffset[i], dolchunksize[i]);
if (deflicker == DEFLICKER_ON_LOW)
{
patch_vfilters(dolchunkoffset[i], dolchunksize[i], vfilter_low);
patch_vfilters_rogue(dolchunkoffset[i], dolchunksize[i], vfilter_low);
}
else if (deflicker == DEFLICKER_ON_MEDIUM)
{
patch_vfilters(dolchunkoffset[i], dolchunksize[i], vfilter_medium);
patch_vfilters_rogue(dolchunkoffset[i], dolchunksize[i], vfilter_medium);
}
else if (deflicker == DEFLICKER_ON_HIGH)
{
patch_vfilters(dolchunkoffset[i], dolchunksize[i], vfilter_high);
patch_vfilters_rogue(dolchunkoffset[i], dolchunksize[i], vfilter_high);
}
else if (deflicker != DEFLICKER_NORMAL) // Either safe or extended
{
patch_vfilters(dolchunkoffset[i], dolchunksize[i], vfilter_off);
patch_vfilters_rogue(dolchunkoffset[i], dolchunksize[i], vfilter_off);
// This might break fade and brightness effects
if (deflicker == DEFLICKER_OFF_EXTENDED)
deflicker_patch(dolchunkoffset[i], dolchunksize[i]);
}
DCFlushRange(dolchunkoffset[i], dolchunksize[i]);
ICInvalidateRange(dolchunkoffset[i], dolchunksize[i]);
prog10();
}
if(hookpatched)
ocarina_do_code();
if(patchFix480p)
PatchFix480p();
if(private_server == PRIVSERV_WIIMMFI)
do_new_wiimmfi_nonMKWii();
}