2014-04-08 16:15:46 -07:00
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// Copyright 2014 Citra Emulator Project
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2014-12-16 21:38:14 -08:00
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// Licensed under GPLv2 or any later version
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2014-04-08 16:15:46 -07:00
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// Refer to the license.txt file included.
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2013-09-19 20:21:22 -07:00
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2015-06-21 05:40:28 -07:00
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#include <memory>
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2014-12-19 21:21:23 -08:00
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#include <string>
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2015-05-06 00:06:12 -07:00
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#include "common/logging/log.h"
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2015-06-20 14:24:01 -07:00
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#include "common/string_util.h"
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2015-05-03 20:01:16 -07:00
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#include "core/hle/kernel/process.h"
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2014-06-16 20:05:10 -07:00
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#include "core/loader/elf.h"
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2017-10-05 20:30:08 -07:00
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#include "core/loader/nro.h"
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2017-09-24 08:08:31 -07:00
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#include "core/loader/nso.h"
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2014-04-21 20:09:10 -07:00
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2013-09-19 20:21:22 -07:00
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////////////////////////////////////////////////////////////////////////////////////////////////////
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namespace Loader {
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2015-05-08 14:12:25 -07:00
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const std::initializer_list<Kernel::AddressMapping> default_address_mappings = {
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2016-09-17 17:38:01 -07:00
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{0x1FF50000, 0x8000, true}, // part of DSP RAM
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{0x1FF70000, 0x8000, true}, // part of DSP RAM
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{0x1F000000, 0x600000, false}, // entire VRAM
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2015-05-03 20:01:16 -07:00
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};
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2015-08-31 18:28:37 -07:00
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FileType IdentifyFile(FileUtil::IOFile& file) {
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2015-01-06 15:10:13 -08:00
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FileType type;
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2016-09-17 17:38:01 -07:00
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#define CHECK_TYPE(loader) \
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type = AppLoader_##loader::IdentifyType(file); \
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if (FileType::Error != type) \
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2015-01-06 15:10:13 -08:00
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return type;
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CHECK_TYPE(ELF)
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2017-09-24 08:08:31 -07:00
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CHECK_TYPE(NSO)
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2017-10-05 20:30:08 -07:00
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CHECK_TYPE(NRO)
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2015-01-06 15:10:13 -08:00
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#undef CHECK_TYPE
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return FileType::Unknown;
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}
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2015-08-31 18:28:37 -07:00
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FileType IdentifyFile(const std::string& file_name) {
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FileUtil::IOFile file(file_name, "rb");
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if (!file.IsOpen()) {
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LOG_ERROR(Loader, "Failed to load file %s", file_name.c_str());
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return FileType::Unknown;
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}
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return IdentifyFile(file);
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}
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FileType GuessFromExtension(const std::string& extension_) {
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std::string extension = Common::ToLower(extension_);
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2014-09-07 00:49:52 -07:00
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2015-07-25 15:10:13 -07:00
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if (extension == ".elf" || extension == ".axf")
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2014-09-07 11:50:43 -07:00
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return FileType::ELF;
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2018-01-14 10:00:16 -08:00
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else if (extension == ".nro")
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return FileType::NRO;
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else if (extension == ".nso")
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return FileType::NSO;
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2015-07-25 15:10:13 -07:00
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2014-06-18 15:58:09 -07:00
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return FileType::Unknown;
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2013-09-19 20:21:22 -07:00
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}
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2015-08-31 18:28:37 -07:00
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const char* GetFileTypeString(FileType type) {
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2015-01-06 16:33:00 -08:00
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switch (type) {
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case FileType::ELF:
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return "ELF";
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2018-01-14 10:00:16 -08:00
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case FileType::NRO:
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return "NRO";
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case FileType::NSO:
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return "NSO";
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case FileType::Error:
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case FileType::Unknown:
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break;
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}
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return "unknown";
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}
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2014-03-31 19:23:55 -07:00
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2016-05-18 14:06:50 -07:00
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/**
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* Get a loader for a file with a specific type
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* @param file The file to load
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* @param type The type of the file
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* @param filename the file name (without path)
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* @param filepath the file full path (with name)
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* @return std::unique_ptr<AppLoader> a pointer to a loader object; nullptr for unsupported type
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*/
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static std::unique_ptr<AppLoader> GetFileLoader(FileUtil::IOFile&& file, FileType type,
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const std::string& filename,
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const std::string& filepath) {
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2016-04-13 14:04:05 -07:00
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switch (type) {
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// Standard ELF file format.
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case FileType::ELF:
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return std::make_unique<AppLoader_ELF>(std::move(file), filename);
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2017-09-24 08:08:31 -07:00
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// NX NSO file format.
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case FileType::NSO:
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return std::make_unique<AppLoader_NSO>(std::move(file), filepath);
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2017-09-24 08:08:31 -07:00
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2017-10-05 20:30:08 -07:00
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// NX NRO file format.
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case FileType::NRO:
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return std::make_unique<AppLoader_NRO>(std::move(file), filepath);
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2016-04-13 14:04:05 -07:00
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default:
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2016-05-17 15:06:33 -07:00
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return nullptr;
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2016-04-13 14:04:05 -07:00
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}
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}
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2016-05-18 14:06:50 -07:00
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std::unique_ptr<AppLoader> GetLoader(const std::string& filename) {
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2015-07-11 15:16:33 -07:00
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FileUtil::IOFile file(filename, "rb");
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if (!file.IsOpen()) {
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2015-01-06 16:33:00 -08:00
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LOG_ERROR(Loader, "Failed to load file %s", filename.c_str());
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2016-05-17 15:06:33 -07:00
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return nullptr;
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2015-01-06 16:33:00 -08:00
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}
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2015-01-06 13:30:40 -08:00
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2015-05-03 20:01:16 -07:00
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std::string filename_filename, filename_extension;
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Common::SplitPath(filename, nullptr, &filename_filename, &filename_extension);
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2015-07-11 15:16:33 -07:00
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FileType type = IdentifyFile(file);
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2015-05-03 20:01:16 -07:00
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FileType filename_type = GuessFromExtension(filename_extension);
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2015-01-06 15:10:13 -08:00
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if (type != filename_type) {
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LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
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if (FileType::Unknown == type)
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type = filename_type;
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}
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2017-03-08 07:25:09 -08:00
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LOG_DEBUG(Loader, "Loading file %s as %s...", filename.c_str(), GetFileTypeString(type));
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2015-01-06 16:33:00 -08:00
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2016-05-18 14:06:50 -07:00
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return GetFileLoader(std::move(file), type, filename_filename, filename);
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2013-09-19 20:21:22 -07:00
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}
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2014-06-16 20:18:10 -07:00
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} // namespace Loader
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