WiiFlow_Lite/source/homebrew/homebrew.cpp
fedeanto11 7d07abdb16 - Fixed a screen issue in menu_about
- Now wiiflow download "US" covers correctly
- A lot of little changes and code clean up (like update GameTDB -> dimok )
2012-01-23 21:09:03 +00:00

137 lines
2.7 KiB
C++

#include <gccore.h>
#include <ogcsys.h>
//#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include <ogc/machine/processor.h>
#include "safe_vector.hpp"
#include <string>
#include "smartptr.hpp"
#include "gecko.h"
#define EXECUTE_ADDR ((u8 *) 0x92000000)
#define BOOTER_ADDR ((u8 *) 0x93000000)
#define ARGS_ADDR ((u8 *) 0x93200000)
extern const u8 app_booter_bin[];
extern const u32 app_booter_bin_size;
typedef void (*entrypoint) (void);
extern "C" { void __exception_closeall(); }
static u8 *homebrewbuffer = EXECUTE_ADDR;
static u32 homebrewsize = 0;
static safe_vector<std::string> Arguments;
bool bootHB;
void AddBootArgument(const char * argv)
{
std::string arg(argv);
Arguments.push_back(arg);
}
int CopyHomebrewMemory(u8 *temp, u32 pos, u32 len)
{
homebrewsize += len;
memcpy(homebrewbuffer+pos, temp, len);
DCFlushRange(homebrewbuffer+pos, len);
return 1;
}
void FreeHomebrewBuffer()
{
homebrewbuffer = EXECUTE_ADDR;
homebrewsize = 0;
Arguments.clear();
}
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);
SmartBuf buffer = smartAnyAlloc(filesize);
if (!buffer)
{
fclose(file);
return -3;
}
bool good_read = fread((u8 *)buffer.get(), 1, filesize, file) == filesize;
SAFE_CLOSE(file);
if (!good_read) return -4;
DCFlushRange((u8 *)buffer.get(), filesize);
return CopyHomebrewMemory((u8*)buffer.get(), 0, filesize);
}
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()
{
if(homebrewsize == 0) return -1;
struct __argv args;
SetupARGV(&args);
memcpy(BOOTER_ADDR, app_booter_bin, app_booter_bin_size);
DCFlushRange(BOOTER_ADDR, app_booter_bin_size);
entrypoint entry = (entrypoint) BOOTER_ADDR;
if (args.argvMagic == ARGV_MAGIC)
{
memmove(ARGS_ADDR, &args, sizeof(args));
DCFlushRange(ARGS_ADDR, sizeof(args) + args.length);
}
SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
entry();
return 0;
}