From 913896cbd99e414c325c9d47a987376ed6d9fffd Mon Sep 17 00:00:00 2001 From: bunnei Date: Sat, 7 Jul 2018 20:24:51 -0700 Subject: Revert "Virtual Filesystem (#597)" This reverts commit 77c684c1140f6bf3fb7d4560d06d2efb1a2ee5e2. --- src/core/file_sys/content_archive.cpp | 164 ---------------------------------- 1 file changed, 164 deletions(-) delete mode 100644 src/core/file_sys/content_archive.cpp (limited to 'src/core/file_sys/content_archive.cpp') diff --git a/src/core/file_sys/content_archive.cpp b/src/core/file_sys/content_archive.cpp deleted file mode 100644 index b45b83a26..000000000 --- a/src/core/file_sys/content_archive.cpp +++ /dev/null @@ -1,164 +0,0 @@ -// Copyright 2018 yuzu emulator team -// Licensed under GPLv2 or any later version -// Refer to the license.txt file included. - -#include "common/logging/log.h" -#include "core/file_sys/content_archive.h" -#include "core/file_sys/vfs_offset.h" -#include "core/loader/loader.h" - -namespace FileSys { - -// Media offsets in headers are stored divided by 512. Mult. by this to get real offset. -constexpr u64 MEDIA_OFFSET_MULTIPLIER = 0x200; - -constexpr u64 SECTION_HEADER_SIZE = 0x200; -constexpr u64 SECTION_HEADER_OFFSET = 0x400; - -constexpr u32 IVFC_MAX_LEVEL = 6; - -enum class NCASectionFilesystemType : u8 { PFS0 = 0x2, ROMFS = 0x3 }; - -struct NCASectionHeaderBlock { - INSERT_PADDING_BYTES(3); - NCASectionFilesystemType filesystem_type; - u8 crypto_type; - INSERT_PADDING_BYTES(3); -}; -static_assert(sizeof(NCASectionHeaderBlock) == 0x8, "NCASectionHeaderBlock has incorrect size."); - -struct PFS0Superblock { - NCASectionHeaderBlock header_block; - std::array hash; - u32_le size; - INSERT_PADDING_BYTES(4); - u64_le hash_table_offset; - u64_le hash_table_size; - u64_le pfs0_header_offset; - u64_le pfs0_size; - INSERT_PADDING_BYTES(432); -}; -static_assert(sizeof(PFS0Superblock) == 0x200, "PFS0Superblock has incorrect size."); - -struct IVFCLevel { - u64_le offset; - u64_le size; - u32_le block_size; - u32_le reserved; -}; -static_assert(sizeof(IVFCLevel) == 0x18, "IVFCLevel has incorrect size."); - -struct RomFSSuperblock { - NCASectionHeaderBlock header_block; - u32_le magic; - u32_le magic_number; - INSERT_PADDING_BYTES(8); - std::array levels; - INSERT_PADDING_BYTES(64); -}; -static_assert(sizeof(RomFSSuperblock) == 0xE8, "RomFSSuperblock has incorrect size."); - -NCA::NCA(VirtualFile file_) : file(file_) { - if (sizeof(NCAHeader) != file->ReadObject(&header)) - LOG_CRITICAL(Loader, "File reader errored out during header read."); - - if (!IsValidNCA(header)) { - status = Loader::ResultStatus::ErrorInvalidFormat; - return; - } - - std::ptrdiff_t number_sections = - std::count_if(std::begin(header.section_tables), std::end(header.section_tables), - [](NCASectionTableEntry entry) { return entry.media_offset > 0; }); - - for (std::ptrdiff_t i = 0; i < number_sections; ++i) { - // Seek to beginning of this section. - NCASectionHeaderBlock block{}; - if (sizeof(NCASectionHeaderBlock) != - file->ReadObject(&block, SECTION_HEADER_OFFSET + i * SECTION_HEADER_SIZE)) - LOG_CRITICAL(Loader, "File reader errored out during header read."); - - if (block.filesystem_type == NCASectionFilesystemType::ROMFS) { - RomFSSuperblock sb{}; - if (sizeof(RomFSSuperblock) != - file->ReadObject(&sb, SECTION_HEADER_OFFSET + i * SECTION_HEADER_SIZE)) - LOG_CRITICAL(Loader, "File reader errored out during header read."); - - const size_t romfs_offset = - header.section_tables[i].media_offset * MEDIA_OFFSET_MULTIPLIER + - sb.levels[IVFC_MAX_LEVEL - 1].offset; - const size_t romfs_size = sb.levels[IVFC_MAX_LEVEL - 1].size; - files.emplace_back(std::make_shared(file, romfs_size, romfs_offset)); - romfs = files.back(); - } else if (block.filesystem_type == NCASectionFilesystemType::PFS0) { - PFS0Superblock sb{}; - // Seek back to beginning of this section. - if (sizeof(PFS0Superblock) != - file->ReadObject(&sb, SECTION_HEADER_OFFSET + i * SECTION_HEADER_SIZE)) - LOG_CRITICAL(Loader, "File reader errored out during header read."); - - u64 offset = (static_cast(header.section_tables[i].media_offset) * - MEDIA_OFFSET_MULTIPLIER) + - sb.pfs0_header_offset; - u64 size = MEDIA_OFFSET_MULTIPLIER * (header.section_tables[i].media_end_offset - - header.section_tables[i].media_offset); - auto npfs = std::make_shared( - std::make_shared(file, size, offset)); - - if (npfs->GetStatus() == Loader::ResultStatus::Success) { - dirs.emplace_back(npfs); - if (IsDirectoryExeFS(dirs.back())) - exefs = dirs.back(); - } - } - } - - status = Loader::ResultStatus::Success; -} - -Loader::ResultStatus NCA::GetStatus() const { - return status; -} - -std::vector> NCA::GetFiles() const { - if (status != Loader::ResultStatus::Success) - return {}; - return files; -} - -std::vector> NCA::GetSubdirectories() const { - if (status != Loader::ResultStatus::Success) - return {}; - return dirs; -} - -std::string NCA::GetName() const { - return file->GetName(); -} - -std::shared_ptr NCA::GetParentDirectory() const { - return file->GetContainingDirectory(); -} - -NCAContentType NCA::GetType() const { - return header.content_type; -} - -u64 NCA::GetTitleId() const { - if (status != Loader::ResultStatus::Success) - return {}; - return header.title_id; -} - -VirtualFile NCA::GetRomFS() const { - return romfs; -} - -VirtualDir NCA::GetExeFS() const { - return exefs; -} - -bool NCA::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) { - return false; -} -} // namespace FileSys -- cgit v1.2.3