early-access version 1255

src/core/loader/nax.cpp

@@ -0,0 +1,102 @@
+// 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/file_sys/content_archive.h"
+#include "core/file_sys/romfs.h"
+#include "core/file_sys/xts_archive.h"
+#include "core/hle/kernel/process.h"
+#include "core/loader/nax.h"
+#include "core/loader/nca.h"
+
+namespace Loader {
+namespace {
+FileType IdentifyTypeImpl(const FileSys::NAX& nax) {
+    if (nax.GetStatus() != ResultStatus::Success) {
+        return FileType::Error;
+    }
+
+    const auto nca = nax.AsNCA();
+    if (nca == nullptr || nca->GetStatus() != ResultStatus::Success) {
+        return FileType::Error;
+    }
+
+    return FileType::NAX;
+}
+} // Anonymous namespace
+
+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) {
+    const FileSys::NAX nax(file);
+    return IdentifyTypeImpl(nax);
+}
+
+FileType AppLoader_NAX::GetFileType() const {
+    return IdentifyTypeImpl(*nax);
+}
+
+AppLoader_NAX::LoadResult AppLoader_NAX::Load(Kernel::Process& process,
+                                              [[maybe_unused]] Core::System& system) {
+    if (is_loaded) {
+        return {ResultStatus::ErrorAlreadyLoaded, {}};
+    }
+
+    const auto nax_status = nax->GetStatus();
+    if (nax_status != ResultStatus::Success) {
+        return {nax_status, {}};
+    }
+
+    const auto nca = nax->AsNCA();
+    if (nca == nullptr) {
+        if (!Core::Crypto::KeyManager::KeyFileExists(false)) {
+            return {ResultStatus::ErrorMissingProductionKeyFile, {}};
+        }
+
+        return {ResultStatus::ErrorNAXInconvertibleToNCA, {}};
+    }
+
+    const auto nca_status = nca->GetStatus();
+    if (nca_status != ResultStatus::Success) {
+        return {nca_status, {}};
+    }
+
+    const auto result = nca_loader->Load(process, system);
+    if (result.first != ResultStatus::Success) {
+        return result;
+    }
+
+    is_loaded = true;
+    return result;
+}
+
+ResultStatus AppLoader_NAX::ReadRomFS(FileSys::VirtualFile& dir) {
+    return nca_loader->ReadRomFS(dir);
+}
+
+u64 AppLoader_NAX::ReadRomFSIVFCOffset() const {
+    return nca_loader->ReadRomFSIVFCOffset();
+}
+
+ResultStatus AppLoader_NAX::ReadProgramId(u64& out_program_id) {
+    return nca_loader->ReadProgramId(out_program_id);
+}
+
+ResultStatus AppLoader_NAX::ReadBanner(std::vector<u8>& buffer) {
+    return nca_loader->ReadBanner(buffer);
+}
+
+ResultStatus AppLoader_NAX::ReadLogo(std::vector<u8>& buffer) {
+    return nca_loader->ReadLogo(buffer);
+}
+
+ResultStatus AppLoader_NAX::ReadNSOModules(Modules& modules) {
+    return nca_loader->ReadNSOModules(modules);
+}
+
+} // namespace Loader