mirror of https://github.com/AxioDL/kabufuda.git
Various fixes, integrity checks, and preparation to include in URDE
This commit is contained in:
parent
98b10f9641
commit
65ecd15219
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@ -1,12 +1,21 @@
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cmake_minimum_required(VERSION 3.0)
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project(kabufuda)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wno-multichar -fno-exceptions")
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if(NOT TARGET urde)
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if(NOT MSVC)
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set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++11")
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endif()
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endif()
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include_directories(include)
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set(KABUFUDA_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/include CACHE PATH "kabufuda include path" FORCE)
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add_library(kabufuda STATIC
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include/Card.hpp src/Card.cpp
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include/Util.hpp src/Util.cpp
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include/SRAM.hpp src/SRAM.cpp
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include/WideStringConvert.hpp src/WideStringConvert.cpp)
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include/kabufuda/Card.hpp lib/Card.cpp
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include/kabufuda/Util.hpp lib/Util.cpp
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include/kabufuda/SRAM.hpp lib/SRAM.cpp
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include/kabufuda/WideStringConvert.hpp lib/WideStringConvert.cpp)
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if (NOT TARGET urde)
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add_subdirectory(test)
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endif()
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@ -95,7 +95,7 @@ class File
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uint8_t __raw[0x40];
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};
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#pragma pop()
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#pragma pack(pop)
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void swapEndian();
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public:
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@ -108,7 +108,7 @@ public:
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class IFileHandle
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{
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public:
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virtual ~IFileHandle() {}
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virtual ~IFileHandle();
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};
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class BlockAllocationTable
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@ -128,10 +128,11 @@ class BlockAllocationTable
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};
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uint8_t __raw[BlockSize];
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};
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#pragma pop()
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#pragma pack(pop)
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void swapEndian();
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void updateChecksum();
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bool valid() const;
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public:
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explicit BlockAllocationTable(uint32_t blockCount = (uint32_t(ECardSize::Card2043Mb) * MbitToBlocks));
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@ -160,10 +161,11 @@ class Directory
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};
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uint8_t __raw[BlockSize];
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};
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#pragma pop()
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#pragma pack(pop)
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void swapEndian();
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void updateChecksum();
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bool valid() const;
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public:
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Directory();
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@ -199,7 +201,7 @@ class Card
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uint8_t __raw[BlockSize];
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};
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#pragma pop()
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#pragma pack(pop)
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SystemString m_filename;
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FILE* m_fileHandle = nullptr;
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@ -237,7 +239,7 @@ public:
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void deleteFile(const std::unique_ptr<IFileHandle>& fh);
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void write(const std::unique_ptr<IFileHandle>& fh, const void* buf, size_t size);
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void read(const std::unique_ptr<IFileHandle>& fh, void* dst, size_t size);
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void seek(const std::unique_ptr<IFileHandle>& fh, uint32_t pos, SeekOrigin whence);
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void seek(const std::unique_ptr<IFileHandle>& fh, int32_t pos, SeekOrigin whence);
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/**
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* @brief Sets the current game, if not null any openFile requests will only return files that match this game
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* @param game The target game id, e.g "GM8E"
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@ -287,7 +289,7 @@ public:
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void commit();
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operator bool() const { return m_fileHandle != nullptr; }
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operator bool() const;
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};
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/**
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@ -297,7 +299,7 @@ public:
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* @param checksum
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* @param checksumInv
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*/
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void calculateChecksum(uint16_t* data, size_t len, uint16_t* checksum, uint16_t* checksumInv);
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void calculateChecksum(const uint16_t* data, size_t len, uint16_t* checksum, uint16_t* checksumInv);
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}
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#endif // __CARD_HPP__
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@ -1,5 +1,5 @@
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#include "Card.hpp"
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#include "SRAM.hpp"
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#include "kabufuda/Card.hpp"
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#include "kabufuda/SRAM.hpp"
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#include <stdio.h>
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#include <string.h>
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#include <algorithm>
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@ -8,13 +8,17 @@
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namespace kabufuda
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{
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IFileHandle::~IFileHandle()
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{
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}
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class FileHandle : public IFileHandle
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{
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friend class Card;
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const char* game;
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const char* maker;
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const char* filename;
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uint32_t offset =0;
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int32_t offset =0;
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public:
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FileHandle() = default;
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FileHandle(const char* game, const char* maker, const char* filename)
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@ -22,8 +26,13 @@ public:
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maker(maker),
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filename(filename)
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{}
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virtual ~FileHandle();
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};
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FileHandle::~FileHandle()
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{}
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void Card::swapEndian()
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{
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m_formatTime = SBig(m_formatTime);
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@ -62,6 +71,22 @@ Card::Card(const SystemString& filename, const char* game, const char* maker)
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fread(m_dirBackup.__raw, 1, BlockSize, m_fileHandle);
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fread(m_bat.__raw, 1, BlockSize, m_fileHandle);
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fread(m_batBackup.__raw, 1, BlockSize, m_fileHandle);
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m_dir.swapEndian();
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m_dirBackup.swapEndian();
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m_bat.swapEndian();
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m_batBackup.swapEndian();
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/* Check for data integrity, restoring valid data in case of corruption if possible */
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if (!m_dir.valid() && m_dirBackup.valid())
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m_dir = m_dirBackup;
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else if (!m_dirBackup.valid() && m_dir.valid())
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m_dirBackup = m_dir;
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if (!m_bat.valid() && m_batBackup.valid())
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m_bat = m_batBackup;
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else if (!m_batBackup.valid() && m_bat.valid())
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m_batBackup = m_bat;
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if (m_dir.m_updateCounter > m_dirBackup.m_updateCounter)
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{
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m_currentDir = &m_dir;
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@ -83,10 +108,7 @@ Card::Card(const SystemString& filename, const char* game, const char* maker)
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m_currentBat = &m_batBackup;
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m_previousBat = &m_bat;
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}
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m_currentDir->swapEndian();
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m_previousDir->swapEndian();
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m_currentBat->swapEndian();
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m_previousBat->swapEndian();
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/* Close and reopen in read/write mode */
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fclose(m_fileHandle);
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m_fileHandle = Fopen(m_filename.c_str(), _S("r+"));
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@ -113,46 +135,26 @@ void Card::updateDirAndBat()
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{
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Directory updateDir = *m_currentDir;
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updateDir.m_updateCounter++;
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*m_previousDir = updateDir;
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if (m_previousDir == &m_dir)
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{
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m_currentDir = &m_dir;
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m_previousDir = &m_dirBackup;
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}
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else
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{
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m_currentDir = &m_dirBackup;
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m_previousDir = &m_dir;
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}
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std::swap(m_currentDir, m_previousDir);
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BlockAllocationTable updateBat = *m_currentBat;
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updateBat.m_updateCounter++;
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*m_previousBat = updateBat;
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if (m_previousBat == &m_bat)
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{
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m_currentBat = &m_bat;
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m_previousBat = &m_batBackup;
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}
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else
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{
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m_currentBat = &m_batBackup;
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m_previousBat = &m_bat;
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}
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std::swap(m_currentBat, m_previousBat);
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}
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std::unique_ptr<IFileHandle> Card::createFile(const char* filename, size_t size)
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{
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updateDirAndBat();
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File* f = m_currentDir->getFirstFreeFile(m_game, m_maker, filename);
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uint16_t block = m_currentBat->allocateBlocks(size / BlockSize, m_maxBlock);
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uint16_t block = m_currentBat->allocateBlocks(uint16_t(size / BlockSize), m_maxBlock);
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if (f && block != 0xFFFF)
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{
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f->m_modifiedTime = getGCTime();
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f->m_modifiedTime = uint32_t(getGCTime());
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f->m_firstBlock = block;
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f->m_blockCount = size / BlockSize;
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f->m_blockCount = uint16_t(size / BlockSize);
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updateDirAndBat();
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return std::unique_ptr<FileHandle>(new FileHandle(m_game, m_maker, filename));
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}
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@ -161,6 +163,7 @@ std::unique_ptr<IFileHandle> Card::createFile(const char* filename, size_t size)
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void Card::deleteFile(const std::unique_ptr<IFileHandle> &fh)
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{
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updateDirAndBat();
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if (!fh)
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return;
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FileHandle* f = dynamic_cast<FileHandle*>(fh.get());
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@ -175,7 +178,6 @@ void Card::deleteFile(const std::unique_ptr<IFileHandle> &fh)
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}
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*m_currentDir->getFile(f->game, f->maker, f->filename) = File();
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updateDirAndBat();
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}
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void Card::write(const std::unique_ptr<IFileHandle>& fh, const void* buf, size_t size)
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@ -187,11 +189,14 @@ void Card::write(const std::unique_ptr<IFileHandle>& fh, const void* buf, size_t
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{
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FileHandle* f = dynamic_cast<FileHandle*>(fh.get());
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File* file = m_currentDir->getFile(f->game, f->maker, f->filename);
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if (!file)
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return;
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/* Block handling is a little different from cache handling,
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* since each block can be in an arbitrary location we must
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* first find our starting block.
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*/
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const uint16_t blockId = (f->offset / BlockSize);
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const uint16_t blockId = uint16_t(f->offset / BlockSize);
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uint16_t block = file->m_firstBlock;
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for (uint16_t i = 0; i < blockId; i++)
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block = m_currentBat->getNextBlock(block);
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@ -199,13 +204,13 @@ void Card::write(const std::unique_ptr<IFileHandle>& fh, const void* buf, size_t
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const uint8_t* tmpBuf = reinterpret_cast<const uint8_t*>(buf);
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uint16_t curBlock = block;
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uint32_t blockOffset = f->offset % BlockSize;
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uint32_t rem = size;
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size_t rem = size;
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while (rem)
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{
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if (curBlock == 0xFFFF)
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return;
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uint32_t cacheSize = rem;
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size_t cacheSize = rem;
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if (cacheSize + blockOffset > BlockSize)
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cacheSize = BlockSize - blockOffset;
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uint32_t offset = (curBlock * BlockSize) + blockOffset;
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@ -233,11 +238,13 @@ void Card::read(const std::unique_ptr<IFileHandle> &fh, void *dst, size_t size)
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{
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FileHandle* f = dynamic_cast<FileHandle*>(fh.get());
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File* file = m_currentDir->getFile(f->game, f->maker, f->filename);
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if (!file)
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return;
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/* Block handling is a little different from cache handling,
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* since each block can be in an arbitrary location we must
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* first find our starting block.
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*/
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const uint16_t blockId = (f->offset / BlockSize);
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const uint16_t blockId = uint16_t(f->offset / BlockSize);
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uint16_t block = file->m_firstBlock;
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for (uint16_t i = 0; i < blockId; i++)
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block = m_currentBat->getNextBlock(block);
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@ -245,13 +252,13 @@ void Card::read(const std::unique_ptr<IFileHandle> &fh, void *dst, size_t size)
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uint8_t* tmpBuf = reinterpret_cast<uint8_t*>(dst);
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uint16_t curBlock = block;
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uint32_t blockOffset = f->offset % BlockSize;
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uint32_t rem = size;
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size_t rem = size;
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while (rem)
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{
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if (curBlock == 0xFFFF)
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return;
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uint32_t cacheSize = rem;
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size_t cacheSize = rem;
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if (cacheSize + blockOffset > BlockSize)
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cacheSize = BlockSize - blockOffset;
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uint32_t offset = (curBlock * BlockSize) + blockOffset;
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@ -270,14 +277,16 @@ void Card::read(const std::unique_ptr<IFileHandle> &fh, void *dst, size_t size)
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}
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}
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void Card::seek(const std::unique_ptr<IFileHandle> &fh, uint32_t pos, SeekOrigin whence)
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void Card::seek(const std::unique_ptr<IFileHandle> &fh, int32_t pos, SeekOrigin whence)
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{
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if (!fh)
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return;
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FileHandle* f = dynamic_cast<FileHandle*>(fh.get());
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File* file = m_currentDir->getFile(f->game, f->maker, f->filename);
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uint32_t oldOff = f->offset;
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if (!file)
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return;
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switch(whence)
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{
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case SeekOrigin::Begin:
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@ -287,7 +296,7 @@ void Card::seek(const std::unique_ptr<IFileHandle> &fh, uint32_t pos, SeekOrigin
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f->offset += pos;
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break;
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case SeekOrigin::End:
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f->offset = (file->m_blockCount * BlockSize) - pos;
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f->offset = int32_t(file->m_blockCount * BlockSize) - pos;
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break;
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}
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}
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@ -339,7 +348,7 @@ void Card::getSerial(uint32_t *s0, uint32_t *s1)
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{
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uint32_t serial[8];
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for (uint32_t i = 0; i < 8; i++)
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memcpy(&serial[i], ((uint8_t*)m_serial + (i * 4)), 4);
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memcpy(&serial[i], reinterpret_cast<uint8_t*>(m_serial + (i * 4)), 4);
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*s0 = serial[0] ^ serial[2] ^ serial[4] ^ serial[6];
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*s1 = serial[1] ^ serial[3] ^ serial[5] ^ serial[7];
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}
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@ -357,24 +366,28 @@ void Card::format(EDeviceId id, ECardSize size, EEncoding encoding)
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m_formatTime = rand;
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for (int i = 0; i < 12; i++)
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{
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rand = (((rand * (uint64_t)0x41c64e6d) + (uint64_t)0x3039) >> 16);
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m_serial[i] = (uint8_t)(g_SRAM.flash_id[uint32_t(id)][i] + (uint32_t)rand);
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rand = (((rand * (uint64_t)0x41c64e6d) + (uint64_t)0x3039) >> 16);
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rand &= (uint64_t)0x7fffULL;
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rand = (((rand * uint64_t(0x41c64e6d)) + uint64_t(0x3039)) >> 16);
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m_serial[i] = uint8_t(g_SRAM.flash_id[uint32_t(id)][i] + uint32_t(rand));
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rand = (((rand * uint64_t(0x41c64e6d)) + uint64_t(0x3039)) >> 16);
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rand &= uint64_t(0x7fffULL);
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}
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m_sramBias = SBig(g_SRAM.counter_bias);
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m_sramLanguage = SBig(g_SRAM.lang);
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m_sramBias = int32_t(SBig(g_SRAM.counter_bias));
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m_sramLanguage = uint32_t(SBig(g_SRAM.lang));
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m_unknown = 0; /* 1 works for slot A, 0 both */
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m_deviceId = 0;
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m_sizeMb = uint16_t(size);
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m_maxBlock = m_sizeMb * MbitToBlocks;
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m_encoding = uint16_t(encoding);
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calculateChecksum((uint16_t*)__raw, 0xFE, &m_checksum, &m_checksumInv);
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calculateChecksum(reinterpret_cast<uint16_t*>(__raw), 0xFE, &m_checksum, &m_checksumInv);
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m_dir = Directory();
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m_dirBackup = m_dir;
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m_bat = BlockAllocationTable(uint32_t(size) * MbitToBlocks);
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m_batBackup = m_bat;
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m_currentDir = &m_dirBackup;
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m_previousDir = &m_dir;
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m_currentBat = &m_batBackup;
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m_previousBat = &m_bat;
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if (!m_fileHandle)
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m_fileHandle = Fopen(m_filename.c_str(), _S("wb"));
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@ -409,7 +422,7 @@ uint32_t Card::getSizeMbitFromFile(const SystemString& filename)
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{
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Sstat stat;
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Stat(filename.c_str(), &stat);
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return (stat.st_size / BlockSize) / MbitToBlocks;
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return uint32_t(stat.st_size / BlockSize) / MbitToBlocks;
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}
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void Card::commit()
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@ -421,21 +434,42 @@ void Card::commit()
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swapEndian();
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fwrite(__raw, 1, BlockSize, m_fileHandle);
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swapEndian();
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Directory tmpDir = *m_currentDir;
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Directory tmpDir = m_dir;
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tmpDir.updateChecksum();
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tmpDir.swapEndian();
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fwrite(tmpDir.__raw, 1, BlockSize, m_fileHandle);
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tmpDir = *m_previousDir;
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tmpDir = m_dirBackup;
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tmpDir.updateChecksum();
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tmpDir.swapEndian();
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fwrite(tmpDir.__raw, 1, BlockSize, m_fileHandle);
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BlockAllocationTable tmpBat = *m_currentBat;
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BlockAllocationTable tmpBat = m_bat;
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tmpBat.updateChecksum();
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tmpBat.swapEndian();
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fwrite(tmpBat.__raw, 1, BlockSize, m_fileHandle);
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tmpBat = *m_previousBat;
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tmpBat = m_batBackup;
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tmpBat.updateChecksum();
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tmpBat.swapEndian();
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fwrite(tmpBat.__raw, 1, BlockSize, m_fileHandle);
|
||||
}
|
||||
}
|
||||
|
||||
Card::operator bool() const
|
||||
{
|
||||
if (m_fileHandle == nullptr)
|
||||
return false;
|
||||
|
||||
uint16_t ckSum, ckSumInv;
|
||||
calculateChecksum(reinterpret_cast<const uint16_t*>(__raw), 0xFE, &ckSum, &ckSumInv);
|
||||
if (ckSum != m_checksum || ckSumInv != m_checksumInv)
|
||||
return false;
|
||||
if (!m_dir.valid() && !m_dirBackup.valid())
|
||||
return false;
|
||||
if (!m_bat.valid() && !m_batBackup.valid())
|
||||
return false;
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
File::File(char data[])
|
||||
{
|
||||
memcpy(__raw, data, 0x40);
|
||||
|
|
@ -483,10 +517,17 @@ void BlockAllocationTable::updateChecksum()
|
|||
calculateChecksum(reinterpret_cast<uint16_t*>(__raw + 4), 0xFFE, &m_checksum, &m_checksumInv);
|
||||
}
|
||||
|
||||
bool BlockAllocationTable::valid() const
|
||||
{
|
||||
uint16_t ckSum, ckSumInv;
|
||||
calculateChecksum(reinterpret_cast<const uint16_t*>(__raw + 4), 0xFFE, &ckSum, &ckSumInv);
|
||||
return (ckSum == m_checksum && ckSumInv == m_checksumInv);
|
||||
}
|
||||
|
||||
BlockAllocationTable::BlockAllocationTable(uint32_t blockCount)
|
||||
{
|
||||
memset(__raw, 0, BlockSize);
|
||||
m_freeBlocks = blockCount - FSTBlocks;
|
||||
m_freeBlocks = uint16_t(blockCount - FSTBlocks);
|
||||
m_lastAllocated = 4;
|
||||
updateChecksum();
|
||||
}
|
||||
|
|
@ -577,6 +618,13 @@ void Directory::updateChecksum()
|
|||
calculateChecksum(reinterpret_cast<uint16_t*>(__raw), 0xFFE, &m_checksum, &m_checksumInv);
|
||||
}
|
||||
|
||||
bool Directory::valid() const
|
||||
{
|
||||
uint16_t ckSum, ckSumInv;
|
||||
calculateChecksum(reinterpret_cast<const uint16_t*>(__raw), 0xFFE, &ckSum, &ckSumInv);
|
||||
return (ckSum == m_checksum && ckSumInv == m_checksumInv);
|
||||
}
|
||||
|
||||
Directory::Directory()
|
||||
{
|
||||
memset(__raw, 0xFF, BlockSize);
|
||||
|
|
@ -633,7 +681,7 @@ File* Directory::getFile(const char* game, const char* maker, const char* filena
|
|||
return nullptr;
|
||||
}
|
||||
|
||||
void calculateChecksum(uint16_t* data, size_t len, uint16_t* checksum, uint16_t* checksumInv)
|
||||
void calculateChecksum(const uint16_t* data, size_t len, uint16_t* checksum, uint16_t* checksumInv)
|
||||
{
|
||||
*checksum = 0;
|
||||
*checksumInv = 0;
|
||||
|
|
@ -649,5 +697,4 @@ void calculateChecksum(uint16_t* data, size_t len, uint16_t* checksum, uint16_t*
|
|||
if (*checksumInv == 0xFFFF)
|
||||
*checksumInv = 0;
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
#include "SRAM.hpp"
|
||||
#include "kabufuda/SRAM.hpp"
|
||||
|
||||
namespace kabufuda
|
||||
{
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
#include "Util.hpp"
|
||||
#include "kabufuda/Util.hpp"
|
||||
#include <time.h>
|
||||
|
||||
namespace kabufuda
|
||||
|
|
@ -1,4 +1,4 @@
|
|||
#include "WideStringConvert.hpp"
|
||||
#include "kabufuda/WideStringConvert.hpp"
|
||||
#include "utf8proc.h"
|
||||
|
||||
namespace kabufuda
|
||||
|
|
@ -1,26 +1,30 @@
|
|||
#include "Card.hpp"
|
||||
#include "kabufuda/Card.hpp"
|
||||
#include <iostream>
|
||||
|
||||
int main()
|
||||
{
|
||||
kabufuda::Card mc{_S("test.USA.raw"), "GM8E", "01"};
|
||||
//if (!mc)
|
||||
if (!mc)
|
||||
mc.format(kabufuda::EDeviceId::SlotA, kabufuda::ECardSize::Card2043Mb);
|
||||
std::unique_ptr<kabufuda::IFileHandle> f = mc.openFile("MetroidPrime B");
|
||||
std::unique_ptr<kabufuda::IFileHandle> f = mc.openFile("MetroidPrime A");
|
||||
if (!f)
|
||||
f = mc.createFile("MetroidPrime B", kabufuda::BlockSize);
|
||||
f = mc.createFile("MetroidPrime A", kabufuda::BlockSize);
|
||||
|
||||
if (f)
|
||||
{
|
||||
const char* test = "Metroid Prime A is Cool";
|
||||
size_t len = strlen(test);
|
||||
uint8_t data[kabufuda::BlockSize] = {};
|
||||
mc.write(f, data, kabufuda::BlockSize);
|
||||
mc.seek(f, 0, kabufuda::SeekOrigin::Begin);
|
||||
mc.write(f, test, len + 1);
|
||||
uint16_t derp = 1234;
|
||||
mc.seek(f, 1, kabufuda::SeekOrigin::End);
|
||||
mc.write(f, &derp, 2);
|
||||
mc.seek(f, -4, kabufuda::SeekOrigin::Current);
|
||||
mc.seek(f, -2, kabufuda::SeekOrigin::Current);
|
||||
mc.read(f, &derp, 2);
|
||||
std::cout << derp << std::endl;
|
||||
mc.deleteFile(f);
|
||||
//mc.deleteFile(f);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue