yuzu/src/core/loader/loader.cpp

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2014-04-09 01:15:46 +02:00
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "core/loader/loader.h"
#include "core/loader/elf.h"
#include "core/loader/ncch.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(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_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".axf")) {
return FILETYPE_CTR_ELF; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".cxi")) {
return FILETYPE_CTR_CXI; // TODO(bunnei): Do some filetype checking :p
}
else if (!strcasecmp(extension.c_str(), ".cci")) {
return FILETYPE_CTR_CCI; // TODO(bunnei): Do some filetype checking :p
}
return FILETYPE_UNKNOWN;
}
/**
* Identifies and loads a bootable file
* @param filename String filename of bootable file
* @param error_string Point to string to put error message if an error has occurred
* @return True on success, otherwise false
*/
bool LoadFile(std::string &filename, std::string *error_string) {
INFO_LOG(LOADER, "Identifying file...");
// Note that this can modify filename!
switch (IdentifyFile(filename)) {
case FILETYPE_CTR_ELF:
return Loader::Load_ELF(filename, error_string);
case FILETYPE_CTR_CXI:
case FILETYPE_CTR_CCI:
return Loader::Load_NCCH(filename, error_string);
case FILETYPE_ERROR:
ERROR_LOG(LOADER, "Could not read file");
*error_string = "Error reading file";
break;
case FILETYPE_UNKNOWN:
default:
ERROR_LOG(LOADER, "Failed to identify file");
*error_string = " Failed to identify file";
break;
}
return false;
}
} // namespace Loader