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https://github.com/yuzu-emu/yuzu.git
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110 lines
3.6 KiB
C++
110 lines
3.6 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <utility>
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#include <vector>
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#include "common/file_util.h"
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#include "common/logging/log.h"
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#include "common/string_util.h"
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#include "common/swap.h"
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#include "core/core.h"
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#include "core/file_sys/content_archive.h"
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#include "core/file_sys/program_metadata.h"
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#include "core/gdbstub/gdbstub.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/resource_limit.h"
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#include "core/hle/service/filesystem/filesystem.h"
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#include "core/loader/nca.h"
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#include "core/loader/nso.h"
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#include "core/memory.h"
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namespace Loader {
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AppLoader_NCA::AppLoader_NCA(FileSys::VirtualFile file) : AppLoader(std::move(file)) {}
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FileType AppLoader_NCA::IdentifyType(const FileSys::VirtualFile& file) {
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// TODO(DarkLordZach): Assuming everything is decrypted. Add crypto support.
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FileSys::NCAHeader header{};
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if (sizeof(FileSys::NCAHeader) != file->ReadObject(&header))
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return FileType::Error;
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if (IsValidNCA(header) && header.content_type == FileSys::NCAContentType::Program)
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return FileType::NCA;
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return FileType::Error;
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}
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ResultStatus AppLoader_NCA::Load(Kernel::SharedPtr<Kernel::Process>& process) {
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if (is_loaded) {
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return ResultStatus::ErrorAlreadyLoaded;
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}
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nca = std::make_unique<FileSys::NCA>(file);
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ResultStatus result = nca->GetStatus();
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if (result != ResultStatus::Success) {
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return result;
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}
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if (nca->GetType() != FileSys::NCAContentType::Program)
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return ResultStatus::ErrorInvalidFormat;
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auto exefs = nca->GetExeFS();
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if (exefs == nullptr)
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return ResultStatus::ErrorInvalidFormat;
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result = metadata.Load(exefs->GetFile("main.npdm"));
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if (result != ResultStatus::Success) {
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return result;
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}
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metadata.Print();
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const FileSys::ProgramAddressSpaceType arch_bits{metadata.GetAddressSpaceType()};
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if (arch_bits == FileSys::ProgramAddressSpaceType::Is32Bit) {
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return ResultStatus::ErrorUnsupportedArch;
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}
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VAddr next_load_addr{Memory::PROCESS_IMAGE_VADDR};
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for (const auto& module : {"rtld", "main", "subsdk0", "subsdk1", "subsdk2", "subsdk3",
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"subsdk4", "subsdk5", "subsdk6", "subsdk7", "sdk"}) {
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const VAddr load_addr = next_load_addr;
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next_load_addr = AppLoader_NSO::LoadModule(exefs->GetFile(module), load_addr);
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if (next_load_addr) {
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LOG_DEBUG(Loader, "loaded module {} @ 0x{:X}", module, load_addr);
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// Register module with GDBStub
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GDBStub::RegisterModule(module, load_addr, next_load_addr - 1, false);
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} else {
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next_load_addr = load_addr;
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}
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}
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process->program_id = metadata.GetTitleID();
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process->svc_access_mask.set();
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process->address_mappings = default_address_mappings;
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process->resource_limit =
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Kernel::ResourceLimit::GetForCategory(Kernel::ResourceLimitCategory::APPLICATION);
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process->Run(Memory::PROCESS_IMAGE_VADDR, metadata.GetMainThreadPriority(),
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metadata.GetMainThreadStackSize());
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if (nca->GetRomFS() != nullptr && nca->GetRomFS()->GetSize() > 0)
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Service::FileSystem::RegisterRomFS(std::make_unique<FileSys::RomFSFactory>(*this));
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is_loaded = true;
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return ResultStatus::Success;
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}
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ResultStatus AppLoader_NCA::ReadRomFS(FileSys::VirtualFile& dir) {
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if (nca == nullptr || nca->GetRomFS() == nullptr || nca->GetRomFS()->GetSize() == 0)
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return ResultStatus::ErrorNotUsed;
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dir = nca->GetRomFS();
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return ResultStatus::Success;
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}
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AppLoader_NCA::~AppLoader_NCA() = default;
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} // namespace Loader
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