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-rw-r--r--src/core/CMakeLists.txt2
-rw-r--r--src/core/loader/deconstructed_rom_directory.cpp101
-rw-r--r--src/core/loader/deconstructed_rom_directory.h44
-rw-r--r--src/core/loader/loader.cpp8
-rw-r--r--src/core/loader/loader.h1
5 files changed, 156 insertions, 0 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 540d290f2..7153c4f3f 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -149,6 +149,8 @@ add_library(core STATIC
hw/hw.h
hw/lcd.cpp
hw/lcd.h
+ loader/deconstructed_rom_directory.cpp
+ loader/deconstructed_rom_directory.h
loader/elf.cpp
loader/elf.h
loader/linker.cpp
diff --git a/src/core/loader/deconstructed_rom_directory.cpp b/src/core/loader/deconstructed_rom_directory.cpp
new file mode 100644
index 000000000..daedeaab0
--- /dev/null
+++ b/src/core/loader/deconstructed_rom_directory.cpp
@@ -0,0 +1,101 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "common/common_funcs.h"
+#include "common/common_paths.h"
+#include "common/logging/log.h"
+#include "common/string_util.h"
+#include "core/hle/kernel/process.h"
+#include "core/hle/kernel/resource_limit.h"
+#include "core/loader/deconstructed_rom_directory.h"
+#include "core/loader/nso.h"
+#include "core/memory.h"
+
+namespace Loader {
+
+FileType AppLoader_DeconstructedRomDirectory::IdentifyType(FileUtil::IOFile& file,
+ const std::string& filepath) {
+ bool is_main_found{};
+ bool is_rtld_found{};
+ bool is_sdk_found{};
+
+ const auto callback = [&](unsigned* num_entries_out, const std::string& directory,
+ const std::string& virtual_name) -> bool {
+
+ // Skip directories
+ std::string physical_name = directory + virtual_name;
+ if (FileUtil::IsDirectory(physical_name)) {
+ return true;
+ }
+
+ // Verify filename
+ if (Common::ToLower(virtual_name) == "main") {
+ is_main_found = true;
+ } else if (Common::ToLower(virtual_name) == "rtld") {
+ is_rtld_found = true;
+ } else if (Common::ToLower(virtual_name) == "sdk") {
+ is_sdk_found = true;
+ } else {
+ // Contrinue searching
+ return true;
+ }
+
+ // Verify file is an NSO
+ FileUtil::IOFile file(physical_name, "rb");
+ if (AppLoader_NSO::IdentifyType(file, physical_name) != FileType::NSO) {
+ return false;
+ }
+
+ // We are done if we've found and verified all required NSOs
+ return !(is_main_found && is_rtld_found && is_sdk_found);
+ };
+
+ // Search the directory recursively, looking for the required modules
+ const std::string directory = filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP;
+ FileUtil::ForeachDirectoryEntry(nullptr, directory, callback);
+
+ if (is_main_found && is_rtld_found && is_sdk_found) {
+ return FileType::DeconstructedRomDirectory;
+ }
+
+ return FileType::Error;
+}
+
+ResultStatus AppLoader_DeconstructedRomDirectory::Load(
+ Kernel::SharedPtr<Kernel::Process>& process) {
+ if (is_loaded) {
+ return ResultStatus::ErrorAlreadyLoaded;
+ }
+ if (!file.IsOpen()) {
+ return ResultStatus::Error;
+ }
+
+ process = Kernel::Process::Create("main");
+
+ // Load NSO modules
+ VAddr next_load_addr{Memory::PROCESS_IMAGE_VADDR};
+ for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
+ "subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
+ const std::string path =
+ filepath.substr(0, filepath.find_last_of("/\\")) + DIR_SEP + module;
+ const VAddr load_addr = next_load_addr;
+ next_load_addr = AppLoader_NSO::LoadModule(path, load_addr);
+ if (next_load_addr) {
+ LOG_DEBUG(Loader, "loaded module %s @ 0x%llx", module, load_addr);
+ } else {
+ next_load_addr = load_addr;
+ }
+ }
+
+ process->svc_access_mask.set();
+ process->address_mappings = default_address_mappings;
+ process->resource_limit =
+ Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
+ process->Run(Memory::PROCESS_IMAGE_VADDR, 48, Kernel::DEFAULT_STACK_SIZE);
+
+ is_loaded = true;
+ return ResultStatus::Success;
+}
+
+} // namespace Loader
diff --git a/src/core/loader/deconstructed_rom_directory.h b/src/core/loader/deconstructed_rom_directory.h
new file mode 100644
index 000000000..d0391aac5
--- /dev/null
+++ b/src/core/loader/deconstructed_rom_directory.h
@@ -0,0 +1,44 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+#include "common/common_types.h"
+#include "common/file_util.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/loader/loader.h"
+
+namespace Loader {
+
+/**
+ * This class loads a "deconstructed ROM directory", which are the typical format we see for Switch
+ * game dumps. The path should be a "main" NSO, which must be in a directory that contains the other
+ * standard ExeFS NSOs (e.g. rtld, sdk, etc.). It will automatically find and load these.
+ * Furthermore, it will look for the first .istorage file (optionally) and use this for the RomFS.
+ */
+class AppLoader_DeconstructedRomDirectory final : public AppLoader {
+public:
+ AppLoader_DeconstructedRomDirectory(FileUtil::IOFile&& file, std::string filepath)
+ : AppLoader(std::move(file)), filepath(std::move(filepath)) {}
+
+ /**
+ * Returns the type of the file
+ * @param file FileUtil::IOFile open file
+ * @param filepath Path of the file that we are opening.
+ * @return FileType found, or FileType::Error if this loader doesn't know it
+ */
+ static FileType IdentifyType(FileUtil::IOFile& file, const std::string& filepath);
+
+ FileType GetFileType() override {
+ return IdentifyType(file, filepath);
+ }
+
+ ResultStatus Load(Kernel::SharedPtr<Kernel::Process>& process) override;
+
+private:
+ std::string filepath;
+};
+
+} // namespace Loader
diff --git a/src/core/loader/loader.cpp b/src/core/loader/loader.cpp
index 2ecccdd4f..9d87b07d7 100644
--- a/src/core/loader/loader.cpp
+++ b/src/core/loader/loader.cpp
@@ -7,6 +7,7 @@
#include "common/logging/log.h"
#include "common/string_util.h"
#include "core/hle/kernel/process.h"
+#include "core/loader/deconstructed_rom_directory.h"
#include "core/loader/elf.h"
#include "core/loader/nro.h"
#include "core/loader/nso.h"
@@ -29,6 +30,7 @@ FileType IdentifyFile(FileUtil::IOFile& file, const std::string& filepath) {
if (FileType::Error != type) \
return type;
+ CHECK_TYPE(DeconstructedRomDirectory)
CHECK_TYPE(ELF)
CHECK_TYPE(NSO)
CHECK_TYPE(NRO)
@@ -69,6 +71,8 @@ const char* GetFileTypeString(FileType type) {
return "NRO";
case FileType::NSO:
return "NSO";
+ case FileType::DeconstructedRomDirectory:
+ return "Directory";
case FileType::Error:
case FileType::Unknown:
break;
@@ -102,6 +106,10 @@ static std::unique_ptr<AppLoader> GetFileLoader(FileUtil::IOFile&& file, FileTyp
case FileType::NRO:
return std::make_unique<AppLoader_NRO>(std::move(file), filepath);
+ // NX deconstructed ROM directory.
+ case FileType::DeconstructedRomDirectory:
+ return std::make_unique<AppLoader_DeconstructedRomDirectory>(std::move(file), filepath);
+
default:
return nullptr;
}
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index f7828b7ad..6075853b4 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -32,6 +32,7 @@ enum class FileType {
ELF,
NSO,
NRO,
+ DeconstructedRomDirectory,
};
/**
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 09:45:27 +0100