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// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <cinttypes>
#include "common/common_funcs.h"
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/gdbstub/gdbstub.h"
#include "core/hle/kernel/process.h"
#include "core/hle/kernel/resource_limit.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/deconstructed_rom_directory.h"
#include "core/loader/nso.h"
#include "core/memory.h"
namespace Loader {
AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(FileSys::VirtualFile file_)
: AppLoader(std::move(file_)) {
const auto dir = file->GetContainingDirectory();
// Icon
FileSys::VirtualFile icon_file = nullptr;
for (const auto& language : FileSys::LANGUAGE_NAMES) {
icon_file = dir->GetFile("icon_" + std::string(language) + ".dat");
if (icon_file != nullptr) {
icon_data = icon_file->ReadAllBytes();
break;
}
}
if (icon_data.empty()) {
// Any png, jpeg, or bmp file
const auto& files = dir->GetFiles();
const auto icon_iter =
std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
return file->GetExtension() == "png" || file->GetExtension() == "jpg" ||
file->GetExtension() == "bmp" || file->GetExtension() == "jpeg";
});
if (icon_iter != files.end())
icon_data = (*icon_iter)->ReadAllBytes();
}
// Metadata
FileSys::VirtualFile nacp_file = dir->GetFile("control.nacp");
if (nacp_file == nullptr) {
const auto& files = dir->GetFiles();
const auto nacp_iter =
std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
return file->GetExtension() == "nacp";
});
if (nacp_iter != files.end())
nacp_file = *nacp_iter;
}
if (nacp_file != nullptr) {
FileSys::NACP nacp(nacp_file);
title_id = nacp.GetTitleId();
name = nacp.GetApplicationName();
}
}
AppLoader_DeconstructedRomDirectory::AppLoader_DeconstructedRomDirectory(
FileSys::VirtualDir directory)
: AppLoader(directory->GetFile("main")), dir(std::move(directory)) {}
FileType AppLoader_DeconstructedRomDirectory::IdentifyType(const FileSys::VirtualFile& file) {
if (FileSys::IsDirectoryExeFS(file->GetContainingDirectory())) {
return FileType::DeconstructedRomDirectory;
}
return FileType::Error;
}
ResultStatus AppLoader_DeconstructedRomDirectory::Load(
Kernel::SharedPtr<Kernel::Process>& process) {
if (is_loaded) {
return ResultStatus::ErrorAlreadyLoaded;
}
if (dir == nullptr) {
if (file == nullptr)
return ResultStatus::ErrorNullFile;
dir = file->GetContainingDirectory();
}
const FileSys::VirtualFile npdm = dir->GetFile("main.npdm");
if (npdm == nullptr)
return ResultStatus::ErrorMissingNPDM;
ResultStatus result = metadata.Load(npdm);
if (result != ResultStatus::Success) {
return result;
}
metadata.Print();
const FileSys::ProgramAddressSpaceType arch_bits{metadata.GetAddressSpaceType()};
if (arch_bits == FileSys::ProgramAddressSpaceType::Is32Bit) {
return ResultStatus::Error32BitISA;
}
// 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 FileSys::VirtualFile module_file = dir->GetFile(module);
if (module_file != nullptr) {
const VAddr load_addr = next_load_addr;
next_load_addr = AppLoader_NSO::LoadModule(module_file, load_addr);
LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", module, load_addr);
// Register module with GDBStub
GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
}
}
process->program_id = metadata.GetTitleID();
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, metadata.GetMainThreadPriority(),
metadata.GetMainThreadStackSize());
// Find the RomFS by searching for a ".romfs" file in this directory
const auto& files = dir->GetFiles();
const auto romfs_iter =
std::find_if(files.begin(), files.end(), [](const FileSys::VirtualFile& file) {
return file->GetName().find(".romfs") != std::string::npos;
});
// Register the RomFS if a ".romfs" file was found
if (romfs_iter != files.end() && *romfs_iter != nullptr) {
romfs = *romfs_iter;
Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
}
is_loaded = true;
return ResultStatus::Success;
}
ResultStatus AppLoader_DeconstructedRomDirectory::ReadRomFS(FileSys::VirtualFile& dir) {
if (romfs == nullptr)
return ResultStatus::ErrorNoRomFS;
dir = romfs;
return ResultStatus::Success;
}
ResultStatus AppLoader_DeconstructedRomDirectory::ReadIcon(std::vector<u8>& buffer) {
if (icon_data.empty())
return ResultStatus::ErrorNoIcon;
buffer = icon_data;
return ResultStatus::Success;
}
ResultStatus AppLoader_DeconstructedRomDirectory::ReadProgramId(u64& out_program_id) {
if (name.empty())
return ResultStatus::ErrorNoControl;
out_program_id = title_id;
return ResultStatus::Success;
}
ResultStatus AppLoader_DeconstructedRomDirectory::ReadTitle(std::string& title) {
if (name.empty())
return ResultStatus::ErrorNoControl;
title = name;
return ResultStatus::Success;
}
} // namespace Loader
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