nax: Add AppLoader_NAX and update loader to support it

This commit is contained in:
Zach Hilman 2018-08-16 17:02:31 -04:00
parent c4845df3d4
commit 2164702cf7
4 changed files with 121 additions and 2 deletions

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@ -11,6 +11,7 @@
#include "core/hle/kernel/process.h" #include "core/hle/kernel/process.h"
#include "core/loader/deconstructed_rom_directory.h" #include "core/loader/deconstructed_rom_directory.h"
#include "core/loader/elf.h" #include "core/loader/elf.h"
#include "core/loader/nax.h"
#include "core/loader/nca.h" #include "core/loader/nca.h"
#include "core/loader/nro.h" #include "core/loader/nro.h"
#include "core/loader/nso.h" #include "core/loader/nso.h"
@ -32,6 +33,7 @@ FileType IdentifyFile(FileSys::VirtualFile file) {
CHECK_TYPE(NRO) CHECK_TYPE(NRO)
CHECK_TYPE(NCA) CHECK_TYPE(NCA)
CHECK_TYPE(XCI) CHECK_TYPE(XCI)
CHECK_TYPE(NAX)
#undef CHECK_TYPE #undef CHECK_TYPE
@ -73,6 +75,8 @@ std::string GetFileTypeString(FileType type) {
return "NCA"; return "NCA";
case FileType::XCI: case FileType::XCI:
return "XCI"; return "XCI";
case FileType::NAX:
return "NAX";
case FileType::DeconstructedRomDirectory: case FileType::DeconstructedRomDirectory:
return "Directory"; return "Directory";
case FileType::Error: case FileType::Error:
@ -150,13 +154,18 @@ static std::unique_ptr<AppLoader> GetFileLoader(FileSys::VirtualFile file, FileT
case FileType::NRO: case FileType::NRO:
return std::make_unique<AppLoader_NRO>(std::move(file)); return std::make_unique<AppLoader_NRO>(std::move(file));
// NX NCA file format. // NX NCA (Nintendo Content Archive) file format.
case FileType::NCA: case FileType::NCA:
return std::make_unique<AppLoader_NCA>(std::move(file)); return std::make_unique<AppLoader_NCA>(std::move(file));
// NX XCI (nX Card Image) file format.
case FileType::XCI: case FileType::XCI:
return std::make_unique<AppLoader_XCI>(std::move(file)); return std::make_unique<AppLoader_XCI>(std::move(file));
// NX NAX (NintendoAesXts) file format.
case FileType::NAX:
return std::make_unique<AppLoader_NAX>(std::move(file));
// NX deconstructed ROM directory. // NX deconstructed ROM directory.
case FileType::DeconstructedRomDirectory: case FileType::DeconstructedRomDirectory:
return std::make_unique<AppLoader_DeconstructedRomDirectory>(std::move(file)); return std::make_unique<AppLoader_DeconstructedRomDirectory>(std::move(file));
@ -170,7 +179,8 @@ std::unique_ptr<AppLoader> GetLoader(FileSys::VirtualFile file) {
FileType type = IdentifyFile(file); FileType type = IdentifyFile(file);
FileType filename_type = GuessFromFilename(file->GetName()); FileType filename_type = GuessFromFilename(file->GetName());
if (type != filename_type) { // Special case: 00 is either a NCA or NAX.
if (type != filename_type && !(file->GetName() == "00" && type == FileType::NAX)) {
LOG_WARNING(Loader, "File {} has a different type than its extension.", file->GetName()); LOG_WARNING(Loader, "File {} has a different type than its extension.", file->GetName());
if (FileType::Unknown == type) if (FileType::Unknown == type)
type = filename_type; type = filename_type;

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@ -32,6 +32,7 @@ enum class FileType {
NRO, NRO,
NCA, NCA,
XCI, XCI,
NAX,
DeconstructedRomDirectory, DeconstructedRomDirectory,
}; };

65
src/core/loader/nax.cpp Normal file
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@ -0,0 +1,65 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/logging/log.h"
#include "core/core.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/romfs.h"
#include "core/hle/kernel/process.h"
#include "core/loader/nax.h"
namespace Loader {
AppLoader_NAX::AppLoader_NAX(FileSys::VirtualFile file)
: AppLoader(file), nax(std::make_unique<FileSys::NAX>(file)),
nca_loader(std::make_unique<AppLoader_NCA>(nax->GetDecrypted())) {}
AppLoader_NAX::~AppLoader_NAX() = default;
FileType AppLoader_NAX::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::NAX nax(file);
if (nax.GetStatus() == ResultStatus::Success && nax.AsNCA() != nullptr &&
nax.AsNCA()->GetStatus() == ResultStatus::Success) {
return FileType::NAX;
}
return FileType::Error;
}
ResultStatus AppLoader_NAX::Load(Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded) {
return ResultStatus::ErrorAlreadyLoaded;
}
if (nax->GetStatus() != ResultStatus::Success)
return nax->GetStatus();
const auto nca = nax->AsNCA();
if (nca == nullptr) {
if (!Core::Crypto::KeyManager::KeyFileExists(false))
return ResultStatus::ErrorMissingProductionKeyFile;
return ResultStatus::ErrorNAXInconvertibleToNCA;
}
if (nca->GetStatus() != ResultStatus::Success)
return nca->GetStatus();
const auto result = nca_loader->Load(process);
if (result != ResultStatus::Success)
return result;
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_NAX::ReadRomFS(FileSys::VirtualFile& dir) {
return nca_loader->ReadRomFS(dir);
}
ResultStatus AppLoader_NAX::ReadProgramId(u64& out_program_id) {
return nca_loader->ReadProgramId(out_program_id);
}
} // namespace Loader

43
src/core/loader/nax.h Normal file
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@ -0,0 +1,43 @@
// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#pragma once
#include <memory>
#include "common/common_types.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/xts_archive.h"
#include "core/loader/loader.h"
#include "core/loader/nca.h"
namespace Loader {
/// Loads a NAX file
class AppLoader_NAX final : public AppLoader {
public:
explicit AppLoader_NAX(FileSys::VirtualFile file);
~AppLoader_NAX();
/**
* Returns the type of the file
* @param file std::shared_ptr<VfsFile> open file
* @return FileType found, or FileType::Error if this loader doesn't know it
*/
static FileType IdentifyType(const FileSys::VirtualFile& file);
FileType GetFileType() override {
return IdentifyType(file);
}
ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
ResultStatus ReadRomFS(FileSys::VirtualFile& dir) override;
ResultStatus ReadProgramId(u64& out_program_id) override;
private:
std::unique_ptr<FileSys::NAX> nax;
std::unique_ptr<AppLoader_NCA> nca_loader;
};
} // namespace Loader