suyu/src/core/loader/nca.cpp
Lioncash 612e1388df core/core: Move process execution start to System's Load()
This gives us significantly more control over where in the
initialization process we start execution of the main process.

Previously we were running the main process before the CPU or GPU
threads were initialized (not good). This amends execution to start
after all of our threads are properly set up.
2019-04-11 22:11:41 -04:00

108 lines
3.4 KiB
C++

// Copyright 2018 yuzu emulator team
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <utility>
#include "common/file_util.h"
#include "common/logging/log.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/romfs_factory.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/loader/deconstructed_rom_directory.h"
#include "core/loader/nca.h"
namespace Loader {
AppLoader_NCA::AppLoader_NCA(FileSys::VirtualFile file_)
: AppLoader(std::move(file_)), nca(std::make_unique<FileSys::NCA>(file)) {}
AppLoader_NCA::~AppLoader_NCA() = default;
FileType AppLoader_NCA::IdentifyType(const FileSys::VirtualFile& file) {
FileSys::NCA nca(file);
if (nca.GetStatus() == ResultStatus::Success &&
nca.GetType() == FileSys::NCAContentType::Program)
return FileType::NCA;
return FileType::Error;
}
AppLoader_NCA::LoadResult AppLoader_NCA::Load(Kernel::Process& process) {
if (is_loaded) {
return {ResultStatus::ErrorAlreadyLoaded, {}};
}
const auto result = nca->GetStatus();
if (result != ResultStatus::Success) {
return {result, {}};
}
if (nca->GetType() != FileSys::NCAContentType::Program) {
return {ResultStatus::ErrorNCANotProgram, {}};
}
const auto exefs = nca->GetExeFS();
if (exefs == nullptr) {
return {ResultStatus::ErrorNoExeFS, {}};
}
directory_loader = std::make_unique<AppLoader_DeconstructedRomDirectory>(exefs, true);
const auto load_result = directory_loader->Load(process);
if (load_result.first != ResultStatus::Success) {
return load_result;
}
if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0) {
Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
}
is_loaded = true;
return load_result;
}
ResultStatus AppLoader_NCA::ReadRomFS(FileSys::VirtualFile& dir) {
if (nca == nullptr)
return ResultStatus::ErrorNotInitialized;
if (nca->GetRomFS() == nullptr || nca->GetRomFS()->GetSize() == 0)
return ResultStatus::ErrorNoRomFS;
dir = nca->GetRomFS();
return ResultStatus::Success;
}
u64 AppLoader_NCA::ReadRomFSIVFCOffset() const {
if (nca == nullptr)
return 0;
return nca->GetBaseIVFCOffset();
}
ResultStatus AppLoader_NCA::ReadProgramId(u64& out_program_id) {
if (nca == nullptr || nca->GetStatus() != ResultStatus::Success)
return ResultStatus::ErrorNotInitialized;
out_program_id = nca->GetTitleId();
return ResultStatus::Success;
}
ResultStatus AppLoader_NCA::ReadBanner(std::vector<u8>& buffer) {
if (nca == nullptr || nca->GetStatus() != ResultStatus::Success)
return ResultStatus::ErrorNotInitialized;
const auto logo = nca->GetLogoPartition();
if (logo == nullptr)
return ResultStatus::ErrorNoIcon;
buffer = logo->GetFile("StartupMovie.gif")->ReadAllBytes();
return ResultStatus::Success;
}
ResultStatus AppLoader_NCA::ReadLogo(std::vector<u8>& buffer) {
if (nca == nullptr || nca->GetStatus() != ResultStatus::Success)
return ResultStatus::ErrorNotInitialized;
const auto logo = nca->GetLogoPartition();
if (logo == nullptr)
return ResultStatus::ErrorNoIcon;
buffer = logo->GetFile("NintendoLogo.png")->ReadAllBytes();
return ResultStatus::Success;
}
} // namespace Loader