WiiFlow_Lite/source/homebrew/homebrew.cpp
fix94.1 b47b04629f -created my own homebrew channel stub alternative, now homebrew
returns to wiiflow using the wiiflow loader channel if enabled,
added option to disable this too, return_to_wiiflow in HOMEBREW
section in wiiflow.ini
-added possibility to start movies via MplayerCE, use this ini:
http://dl.dropbox.com/u/25620767/mplayerce.ini
2012-05-23 16:27:55 +00:00

139 lines
2.8 KiB
C++

#include <gccore.h>
#include <ogcsys.h>
#include <stdio.h>
#include <string.h>
#include <ogc/machine/processor.h>
#include <vector>
#include <string>
#include "smartptr.hpp"
#include "gecko.h"
#define EXECUTE_ADDR ((u8 *) 0x92000000)
#define BOOTER_ADDR ((u8 *) 0x93000000)
#define ARGS_ADDR ((u8 *) 0x93200000)
using namespace std;
extern const u8 app_booter_bin[];
extern const u32 app_booter_bin_size;
extern const u8 stub_bin[];
extern const u32 stub_bin_size;
typedef void (*entrypoint) (void);
extern "C" { void __exception_closeall(); }
static u8 *homebrewbuffer = EXECUTE_ADDR;
static u32 homebrewsize = 0;
static vector<string> Arguments;
bool IsDollZ (u8 *buff)
{
u8 dollz_stamp[] = {0x3C};
int dollz_offs = 0x100;
int ret = memcmp (&buff[dollz_offs], dollz_stamp, sizeof(dollz_stamp));
if (ret == 0)
return true;
return false;
}
void AddBootArgument(const char * argv)
{
string arg(argv);
Arguments.push_back(arg);
}
int LoadHomebrew(const char *filepath)
{
if(!filepath)
return -1;
FILE *file = fopen(filepath ,"rb");
if(!file)
return -2;
fseek(file, 0, SEEK_END);
u32 filesize = ftell(file);
rewind(file);
fread(homebrewbuffer, 1, filesize, file);
fclose(file);
homebrewsize += filesize;
return 1;
}
static int SetupARGV(struct __argv * args)
{
if(!args)
return -1;
bzero(args, sizeof(struct __argv));
args->argvMagic = ARGV_MAGIC;
u32 argc = 0;
u32 position = 0;
u32 stringlength = 1;
/** Append Arguments **/
for(u32 i = 0; i < Arguments.size(); i++)
stringlength += Arguments[i].size()+1;
args->length = stringlength;
//! Put the argument into mem2 too, to avoid overwriting it
args->commandLine = (char *) ARGS_ADDR + sizeof(struct __argv);
/** Append Arguments **/
for(u32 i = 0; i < Arguments.size(); i++)
{
strcpy(&args->commandLine[position], Arguments[i].c_str());
position += Arguments[i].size() + 1;
argc++;
}
args->argc = argc;
args->commandLine[args->length - 1] = '\0';
args->argv = &args->commandLine;
args->endARGV = args->argv + 1;
Arguments.clear();
return 0;
}
int BootHomebrew(bool wiiflow_stub)
{
struct __argv args;
if (!IsDollZ(homebrewbuffer))
SetupARGV(&args);
memcpy(BOOTER_ADDR, app_booter_bin, app_booter_bin_size);
DCFlushRange(BOOTER_ADDR, app_booter_bin_size);
entrypoint entry = (entrypoint)BOOTER_ADDR;
memmove(ARGS_ADDR, &args, sizeof(args));
DCFlushRange(ARGS_ADDR, sizeof(args) + args.length);
if(wiiflow_stub)
{
/* Clear low mem - the hard way :P */
memset((void*)0x80000000, 0, 0x4000);
/* Copy stub into memory */
memcpy((void*)0x80001800, stub_bin, stub_bin_size);
DCFlushRange((void*)0x80001800, stub_bin_size);
}
/* Shutdown IOS subsystems */
u32 level = IRQ_Disable();
__IOS_ShutdownSubsystems();
__exception_closeall();
entry();
IRQ_Restore(level);
return 0;
}