usbloadergx/source/homebrewboot/BootHomebrew.cpp
dimok321 33ce3e48ab *Lot's of cleanup and file/function movement.
*Homebrew boot changed a bit (cleanup)
*A lot more stuff i can't remember anymore
2010-11-06 15:30:14 +00:00

172 lines
3.2 KiB
C++

#include <gccore.h>
#include <ogcsys.h>
#include <malloc.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <ogc/machine/processor.h>
#include <wiiuse/wpad.h>
#include <vector>
#include <string>
#include "../lstub.h"
#include "../sys.h"
#include "../gecko.h"
#include "fatmounter.h"
#include "dolloader.h"
static u8 *homebrewbuffer = (u8 *) 0x92000000;
static u32 homebrewsize = 0;
static std::vector<std::string> Arguments;
extern const u8 app_booter_dol[];
extern const u32 app_booter_dol_size;
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);
return 1;
}
void FreeHomebrewBuffer()
{
homebrewbuffer = (u8 *) 0x92000000;
homebrewsize = 0;
Arguments.clear();
}
static int SetupARGV(struct __argv * args)
{
if (!args) return -1;
bzero(args, sizeof(struct __argv));
args->argvMagic = ARGV_MAGIC;
u32 stringlength = 1;
/** Append Arguments **/
for (u32 i = 0; i < Arguments.size(); i++)
{
stringlength += Arguments[i].size() + 1;
}
args->length = stringlength;
args->commandLine = (char*) malloc(args->length);
if (!args->commandLine) return -1;
u32 argc = 0;
u32 position = 0;
/** 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;
}
static int RunAppbooter()
{
if (homebrewsize == 0) return -1;
ExitApp();
struct __argv args;
SetupARGV(&args);
u32 cpu_isr;
entrypoint entry = (entrypoint) load_dol((void*) app_booter_dol, &args);
if (!entry)
{
FreeHomebrewBuffer();
return -1;
}
u64 currentStub = getStubDest();
loadStub();
if (Set_Stub_Split(0x00010001, "UNEO") < 0)
{
if (Set_Stub_Split(0x00010001, "ULNR") < 0)
{
if (!currentStub) currentStub = 0x100000002ULL;
Set_Stub(currentStub);
}
}
SYS_ResetSystem(SYS_SHUTDOWN, 0, 0);
_CPU_ISR_Disable( cpu_isr );
__exception_closeall();
entry();
_CPU_ISR_Restore( cpu_isr );
return 0;
}
int BootHomebrew(const char * filepath)
{
void *buffer = NULL;
u32 filesize = 0;
FILE *file = fopen(filepath, "rb");
if (!file) Sys_BackToLoader();
fseek(file, 0, SEEK_END);
filesize = ftell(file);
rewind(file);
buffer = malloc(filesize);
if (fread(buffer, 1, filesize, file) != filesize)
{
fclose(file);
free(buffer);
SDCard_deInit();
USBDevice_deInit();
Sys_BackToLoader();
}
fclose(file);
CopyHomebrewMemory((u8*) buffer, 0, filesize);
if (buffer)
{
free(buffer);
buffer = NULL;
}
AddBootArgument(filepath);
return RunAppbooter();
}
int BootHomebrewFromMem()
{
return RunAppbooter();
}