mirror of
https://github.com/PabloMK7/citra.git
synced 2024-11-30 11:20:18 +00:00
104 lines
3.1 KiB
C++
104 lines
3.1 KiB
C++
// Copyright 2014 Citra Emulator Project
|
|
// Licensed under GPLv2
|
|
// Refer to the license.txt file included.
|
|
|
|
#include <memory>
|
|
|
|
#include "core/file_sys/archive_romfs.h"
|
|
#include "core/loader/loader.h"
|
|
#include "core/loader/elf.h"
|
|
#include "core/loader/ncch.h"
|
|
#include "core/hle/kernel/archive.h"
|
|
#include "core/mem_map.h"
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
namespace Loader {
|
|
|
|
/**
|
|
* Identifies the type of a bootable file
|
|
* @param filename String filename of bootable file
|
|
* @todo (ShizZy) this function sucks... make it actually check file contents etc.
|
|
* @return FileType of file
|
|
*/
|
|
FileType IdentifyFile(const std::string &filename) {
|
|
if (filename.size() == 0) {
|
|
ERROR_LOG(LOADER, "invalid filename %s", filename.c_str());
|
|
return FileType::Error;
|
|
}
|
|
std::string extension = filename.size() >= 5 ? filename.substr(filename.size() - 4) : "";
|
|
|
|
if (!strcasecmp(extension.c_str(), ".elf")) {
|
|
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".axf")) {
|
|
return FileType::ELF; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".cxi")) {
|
|
return FileType::CXI; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".cci")) {
|
|
return FileType::CCI; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
else if (!strcasecmp(extension.c_str(), ".bin")) {
|
|
return FileType::BIN; // TODO(bunnei): Do some filetype checking :p
|
|
}
|
|
return FileType::Unknown;
|
|
}
|
|
|
|
/**
|
|
* Identifies and loads a bootable file
|
|
* @param filename String filename of bootable file
|
|
* @return ResultStatus result of function
|
|
*/
|
|
ResultStatus LoadFile(const std::string& filename) {
|
|
INFO_LOG(LOADER, "Loading file %s...", filename.c_str());
|
|
|
|
switch (IdentifyFile(filename)) {
|
|
|
|
// Standard ELF file format...
|
|
case FileType::ELF:
|
|
return AppLoader_ELF(filename).Load();
|
|
|
|
// NCCH/NCSD container formats...
|
|
case FileType::CXI:
|
|
case FileType::CCI: {
|
|
AppLoader_NCCH app_loader(filename);
|
|
|
|
// Load application and RomFS
|
|
if (ResultStatus::Success == app_loader.Load()) {
|
|
Kernel::CreateArchive(new FileSys::Archive_RomFS(app_loader), "RomFS");
|
|
return ResultStatus::Success;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// Raw BIN file format...
|
|
case FileType::BIN:
|
|
{
|
|
INFO_LOG(LOADER, "Loading BIN file %s...", filename.c_str());
|
|
|
|
File::IOFile file(filename, "rb");
|
|
|
|
if (file.IsOpen()) {
|
|
file.ReadBytes(Memory::GetPointer(Memory::EXEFS_CODE_VADDR), (size_t)file.GetSize());
|
|
Kernel::LoadExec(Memory::EXEFS_CODE_VADDR);
|
|
} else {
|
|
return ResultStatus::Error;
|
|
}
|
|
return ResultStatus::Success;
|
|
}
|
|
|
|
// Error occurred durring IdentifyFile...
|
|
case FileType::Error:
|
|
|
|
// IdentifyFile could know identify file type...
|
|
case FileType::Unknown:
|
|
|
|
default:
|
|
return ResultStatus::ErrorInvalidFormat;
|
|
}
|
|
return ResultStatus::Error;
|
|
}
|
|
|
|
} // namespace Loader
|