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Diffstat (limited to '')
-rw-r--r-- | src/core/file_sys/card_image.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/src/core/file_sys/card_image.cpp b/src/core/file_sys/card_image.cpp new file mode 100644 index 000000000..5ff09a362 --- /dev/null +++ b/src/core/file_sys/card_image.cpp @@ -0,0 +1,150 @@ +// Copyright 2018 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include <array> +#include <string> +#include <core/loader/loader.h> +#include "core/file_sys/card_image.h" +#include "core/file_sys/partition_filesystem.h" +#include "core/file_sys/vfs_offset.h" + +namespace FileSys { + +XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) { + if (file->ReadObject(&header) != sizeof(GamecardHeader)) { + status = Loader::ResultStatus::ErrorInvalidFormat; + return; + } + + if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) { + status = Loader::ResultStatus::ErrorInvalidFormat; + return; + } + + PartitionFilesystem main_hfs( + std::make_shared<OffsetVfsFile>(file, header.hfs_size, header.hfs_offset)); + + if (main_hfs.GetStatus() != Loader::ResultStatus::Success) { + status = main_hfs.GetStatus(); + return; + } + + const static std::array<std::string, 0x4> partition_names = {"update", "normal", "secure", + "logo"}; + + for (XCIPartition partition : + {XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) { + auto raw = main_hfs.GetFile(partition_names[static_cast<size_t>(partition)]); + if (raw != nullptr) + partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw); + } + + auto result = AddNCAFromPartition(XCIPartition::Secure); + if (result != Loader::ResultStatus::Success) { + status = result; + return; + } + result = AddNCAFromPartition(XCIPartition::Update); + if (result != Loader::ResultStatus::Success) { + status = result; + return; + } + + result = AddNCAFromPartition(XCIPartition::Normal); + if (result != Loader::ResultStatus::Success) { + status = result; + return; + } + + if (GetFormatVersion() >= 0x2) { + result = AddNCAFromPartition(XCIPartition::Logo); + if (result != Loader::ResultStatus::Success) { + status = result; + return; + } + } + + status = Loader::ResultStatus::Success; +} + +Loader::ResultStatus XCI::GetStatus() const { + return status; +} + +VirtualDir XCI::GetPartition(XCIPartition partition) const { + return partitions[static_cast<size_t>(partition)]; +} + +VirtualDir XCI::GetSecurePartition() const { + return GetPartition(XCIPartition::Secure); +} + +VirtualDir XCI::GetNormalPartition() const { + return GetPartition(XCIPartition::Normal); +} + +VirtualDir XCI::GetUpdatePartition() const { + return GetPartition(XCIPartition::Update); +} + +VirtualDir XCI::GetLogoPartition() const { + return GetPartition(XCIPartition::Logo); +} + +std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const { + for (const auto& nca : ncas) { + if (nca->GetType() == type) + return nca; + } + + return nullptr; +} + +VirtualFile XCI::GetNCAFileByType(NCAContentType type) const { + auto nca = GetNCAByType(type); + if (nca != nullptr) + return nca->GetBaseFile(); + return nullptr; +} + +std::vector<std::shared_ptr<VfsFile>> XCI::GetFiles() const { + return {}; +} + +std::vector<std::shared_ptr<VfsDirectory>> XCI::GetSubdirectories() const { + return std::vector<std::shared_ptr<VfsDirectory>>(); +} + +std::string XCI::GetName() const { + return file->GetName(); +} + +std::shared_ptr<VfsDirectory> XCI::GetParentDirectory() const { + return file->GetContainingDirectory(); +} + +bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) { + return false; +} + +Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) { + if (partitions[static_cast<size_t>(part)] == nullptr) { + return Loader::ResultStatus::ErrorInvalidFormat; + } + + for (VirtualFile file : partitions[static_cast<size_t>(part)]->GetFiles()) { + if (file->GetExtension() != "nca") + continue; + auto nca = std::make_shared<NCA>(file); + if (nca->GetStatus() == Loader::ResultStatus::Success) + ncas.push_back(std::move(nca)); + } + + return Loader::ResultStatus::Success; +} + +u8 XCI::GetFormatVersion() const { + return GetLogoPartition() == nullptr ? 0x1 : 0x2; +} +} // namespace FileSys |