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// 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/file_util.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 {
AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileUtil::IOFile&& file,
std::string filepath)
: AppLoader(std::move(file)), filepath(std::move(filepath)) {}
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
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