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https://github.com/PabloMK7/citra.git
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FS.Archive: Clean up treatment of archives and their handles
- Refactor FS::Archive internals to make Archive creation and lifetime management clearer. - Remove the "Archive as a File" hack. - Implement 64-bit Archive handles.
This commit is contained in:
Yuri Kunde Schlesner
parent
0931a42af0
commit
83e6e4ffec
11 changed files with 208 additions and 398 deletions
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@ -220,36 +220,6 @@ public:
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* @return Opened directory, or nullptr
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*/
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virtual std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const = 0;
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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virtual size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) = 0;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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virtual size_t GetSize() const = 0;
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/**
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* Set the size of the archive in bytes
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*/
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virtual void SetSize(const u64 size) = 0;
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};
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} // namespace FileSys
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@ -2,6 +2,8 @@
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <memory>
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#include "common/common_types.h"
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#include "core/file_sys/archive_romfs.h"
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@ -20,9 +22,6 @@ Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
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}
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}
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Archive_RomFS::~Archive_RomFS() {
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}
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/**
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* Open a file specified by its path, using the specified mode
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* @param path Path relative to the archive
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@ -30,7 +29,7 @@ Archive_RomFS::~Archive_RomFS() {
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* @return Opened file, or nullptr
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*/
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std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
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return std::unique_ptr<FileBackend>(new File_RomFS);
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return std::make_unique<File_RomFS>(this);
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}
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/**
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@ -79,48 +78,7 @@ bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys
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* @return Opened directory, or nullptr
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*/
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std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
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return std::unique_ptr<DirectoryBackend>(new Directory_RomFS);
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}
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
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LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
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memcpy(buffer, &raw_data[(u32)offset], length);
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return length;
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}
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
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LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
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return 0;
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}
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t Archive_RomFS::GetSize() const {
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return sizeof(u8) * raw_data.size();
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}
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/**
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* Set the size of the archive in bytes
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*/
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void Archive_RomFS::SetSize(const u64 size) {
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LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
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return std::make_unique<Directory_RomFS>();
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}
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} // namespace FileSys
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@ -20,7 +20,6 @@ namespace FileSys {
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class Archive_RomFS final : public ArchiveBackend {
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public:
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Archive_RomFS(const Loader::AppLoader& app_loader);
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~Archive_RomFS() override;
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std::string GetName() const override { return "RomFS"; }
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@ -76,37 +75,9 @@ public:
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*/
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std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading data from
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* @param length Length in bytes of data to read from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t GetSize() const override;
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/**
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* Set the size of the archive in bytes
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*/
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void SetSize(const u64 size) override;
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private:
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friend class File_RomFS;
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std::vector<u8> raw_data;
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};
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@ -105,47 +105,6 @@ std::unique_ptr<DirectoryBackend> Archive_SDMC::OpenDirectory(const Path& path)
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return std::unique_ptr<DirectoryBackend>(directory);
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}
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading archive from
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* @param length Length in bytes to read data from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Archive_SDMC::Read(const u64 offset, const u32 length, u8* buffer) const {
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LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
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return -1;
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}
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Archive_SDMC::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
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LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
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return -1;
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}
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t Archive_SDMC::GetSize() const {
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LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
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return 0;
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}
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/**
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* Set the size of the archive in bytes
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*/
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void Archive_SDMC::SetSize(const u64 size) {
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LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
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}
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/**
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* Getter for the path used for this Archive
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* @return Mount point of that passthrough archive
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@ -80,36 +80,6 @@ public:
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*/
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std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
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/**
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* Read data from the archive
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* @param offset Offset in bytes to start reading archive from
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* @param length Length in bytes to read data from archive
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* @param buffer Buffer to read data into
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* @return Number of bytes read
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*/
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size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
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/**
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* Write data to the archive
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* @param offset Offset in bytes to start writing data to
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* @param length Length in bytes of data to write to archive
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* @param buffer Buffer to write data from
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* @param flush The flush parameters (0 == do not flush)
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* @return Number of bytes written
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*/
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size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
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/**
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* Get the size of the archive in bytes
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* @return Size of the archive in bytes
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*/
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size_t GetSize() const override;
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/**
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* Set the size of the archive in bytes
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*/
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void SetSize(const u64 size) override;
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/**
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* Getter for the path used for this Archive
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* @return Mount point of that passthrough archive
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@ -5,24 +5,19 @@
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#include "common/common_types.h"
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#include "core/file_sys/file_romfs.h"
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#include "core/file_sys/archive_romfs.h"
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// FileSys namespace
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namespace FileSys {
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File_RomFS::File_RomFS() {
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}
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File_RomFS::~File_RomFS() {
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}
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/**
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* Open the file
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* @return true if the file opened correctly
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*/
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bool File_RomFS::Open() {
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return false;
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return true;
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}
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/**
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@ -33,7 +28,9 @@ bool File_RomFS::Open() {
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* @return Number of bytes read
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*/
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size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
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return -1;
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LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
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memcpy(buffer, &archive->raw_data[(u32)offset], length);
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return length;
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}
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/**
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@ -45,7 +42,8 @@ size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
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* @return Number of bytes written
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*/
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size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
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return -1;
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LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
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return 0;
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}
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/**
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@ -53,7 +51,7 @@ size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, co
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* @return Size of the file in bytes
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*/
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size_t File_RomFS::GetSize() const {
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return -1;
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return sizeof(u8) * archive->raw_data.size();
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}
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/**
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@ -62,6 +60,7 @@ size_t File_RomFS::GetSize() const {
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* @return true if successful
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*/
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bool File_RomFS::SetSize(const u64 size) const {
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LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
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return false;
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}
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@ -14,10 +14,11 @@
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namespace FileSys {
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class Archive_RomFS;
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class File_RomFS final : public FileBackend {
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public:
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File_RomFS();
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~File_RomFS() override;
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File_RomFS(const Archive_RomFS* archive) : archive(archive) {}
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/**
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* Open the file
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@ -62,6 +63,9 @@ public:
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* @return true if the file closed correctly
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*/
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bool Close() const override;
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private:
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const Archive_RomFS* archive;
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};
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} // namespace FileSys
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@ -2,7 +2,8 @@
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#include <map>
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#include <memory>
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#include <unordered_map>
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#include "common/common_types.h"
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#include "common/file_util.h"
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@ -41,74 +42,24 @@ enum class DirectoryCommand : u32 {
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Close = 0x08020000,
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};
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class Archive : public Kernel::Session {
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class Archive {
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public:
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std::string GetName() const override { return "Archive: " + backend->GetName(); }
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ArchiveIdCode id_code; ///< Id code of the archive
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FileSys::ArchiveBackend* backend; ///< Archive backend interface
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ResultVal<bool> SyncRequest() override {
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u32* cmd_buff = Kernel::GetCommandBuffer();
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FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
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switch (cmd) {
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// Read from archive...
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case FileCommand::Read:
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{
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u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
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u32 length = cmd_buff[3];
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u32 address = cmd_buff[5];
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// Number of bytes read
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cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
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break;
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}
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// Write to archive...
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case FileCommand::Write:
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{
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u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
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u32 length = cmd_buff[3];
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u32 flush = cmd_buff[4];
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u32 address = cmd_buff[6];
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// Number of bytes written
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cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
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break;
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}
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case FileCommand::GetSize:
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{
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u64 filesize = (u64) backend->GetSize();
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cmd_buff[2] = (u32) filesize; // Lower word
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cmd_buff[3] = (u32) (filesize >> 32); // Upper word
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break;
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}
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case FileCommand::SetSize:
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{
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backend->SetSize(cmd_buff[1] | ((u64)cmd_buff[2] << 32));
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break;
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}
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case FileCommand::Close:
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{
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LOG_TRACE(Service_FS, "Close %s %s", GetTypeName().c_str(), GetName().c_str());
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CloseArchive(id_code);
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break;
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}
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// Unknown command...
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default:
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{
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LOG_ERROR(Service_FS, "Unknown command=0x%08X", cmd);
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cmd_buff[0] = UnimplementedFunction(ErrorModule::FS).raw;
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return MakeResult<bool>(false);
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}
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}
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cmd_buff[1] = 0; // No error
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return MakeResult<bool>(false);
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Archive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code)
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: backend(std::move(backend)), id_code(id_code) {
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}
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std::string GetName() const { return "Archive: " + backend->GetName(); }
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ArchiveIdCode id_code; ///< Id code of the archive
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std::unique_ptr<FileSys::ArchiveBackend> backend; ///< Archive backend interface
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};
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class File : public Kernel::Session {
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public:
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File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
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: backend(std::move(backend)), path(path) {
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}
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std::string GetName() const override { return "Path: " + path.DebugStr(); }
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FileSys::Path path; ///< Path of the file
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@ -183,6 +134,10 @@ public:
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class Directory : public Kernel::Session {
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public:
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Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
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: backend(std::move(backend)), path(path) {
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}
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std::string GetName() const override { return "Directory: " + path.DebugStr(); }
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FileSys::Path path; ///< Path of the directory
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@ -228,105 +183,95 @@ public:
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////////////////////////////////////////////////////////////////////////////////////////////////////
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std::map<ArchiveIdCode, Handle> g_archive_map; ///< Map of file archives by IdCode
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ResultVal<Handle> OpenArchive(ArchiveIdCode id_code) {
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auto itr = g_archive_map.find(id_code);
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if (itr == g_archive_map.end()) {
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return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
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ErrorSummary::NotFound, ErrorLevel::Permanent);
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}
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return MakeResult<Handle>(itr->second);
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}
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ResultCode CloseArchive(ArchiveIdCode id_code) {
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auto itr = g_archive_map.find(id_code);
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if (itr == g_archive_map.end()) {
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LOG_ERROR(Service_FS, "Cannot close archive %d, does not exist!", (int)id_code);
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return InvalidHandle(ErrorModule::FS);
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}
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LOG_TRACE(Service_FS, "Closed archive %d", (int) id_code);
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return RESULT_SUCCESS;
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}
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/**
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* Map of registered archives, identified by id code. Once an archive is registered here, it is
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* never removed until the FS service is shut down.
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*/
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static std::unordered_map<ArchiveIdCode, std::unique_ptr<Archive>> id_code_map;
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/**
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||||
* Mounts an archive
|
||||
* @param archive Pointer to the archive to mount
|
||||
* Map of active archive handles. Values are pointers to the archives in `idcode_map`.
|
||||
*/
|
||||
ResultCode MountArchive(Archive* archive) {
|
||||
ArchiveIdCode id_code = archive->id_code;
|
||||
ResultVal<Handle> archive_handle = OpenArchive(id_code);
|
||||
if (archive_handle.Succeeded()) {
|
||||
LOG_ERROR(Service_FS, "Cannot mount two archives with the same ID code! (%d)", (int) id_code);
|
||||
return archive_handle.Code();
|
||||
}
|
||||
g_archive_map[id_code] = archive->GetHandle();
|
||||
LOG_TRACE(Service_FS, "Mounted archive %s", archive->GetName().c_str());
|
||||
return RESULT_SUCCESS;
|
||||
static std::unordered_map<ArchiveHandle, Archive*> handle_map;
|
||||
static ArchiveHandle next_handle;
|
||||
|
||||
static Archive* GetArchive(ArchiveHandle handle) {
|
||||
auto itr = handle_map.find(handle);
|
||||
return (itr == handle_map.end()) ? nullptr : itr->second;
|
||||
}
|
||||
|
||||
ResultCode CreateArchive(FileSys::ArchiveBackend* backend, ArchiveIdCode id_code) {
|
||||
Archive* archive = new Archive;
|
||||
Handle handle = Kernel::g_object_pool.Create(archive);
|
||||
archive->id_code = id_code;
|
||||
archive->backend = backend;
|
||||
ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code) {
|
||||
LOG_TRACE(Service_FS, "Opening archive with id code 0x%08X", id_code);
|
||||
|
||||
ResultCode result = MountArchive(archive);
|
||||
if (result.IsError()) {
|
||||
return result;
|
||||
}
|
||||
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
|
||||
// TODO(bunnei): Binary type files get a raw file pointer to the archive. Currently, we create
|
||||
// the archive file handles at app loading, and then keep them persistent throughout execution.
|
||||
// Archives file handles are just reused and not actually freed until emulation shut down.
|
||||
// Verify if real hardware works this way, or if new handles are created each time
|
||||
if (path.GetType() == FileSys::Binary)
|
||||
// TODO(bunnei): FixMe - this is a hack to compensate for an incorrect FileSys backend
|
||||
// design. While the functionally of this is OK, our implementation decision to separate
|
||||
// normal files from archive file pointers is very likely wrong.
|
||||
// See https://github.com/citra-emu/citra/issues/205
|
||||
return MakeResult<Handle>(archive_handle);
|
||||
|
||||
File* file = new File;
|
||||
Handle handle = Kernel::g_object_pool.Create(file);
|
||||
|
||||
Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
|
||||
if (archive == nullptr) {
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
}
|
||||
file->path = path;
|
||||
file->backend = archive->backend->OpenFile(path, mode);
|
||||
|
||||
if (!file->backend) {
|
||||
auto itr = id_code_map.find(id_code);
|
||||
if (itr == id_code_map.end()) {
|
||||
// TODO: Verify error against hardware
|
||||
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
|
||||
ErrorSummary::NotFound, ErrorLevel::Permanent);
|
||||
}
|
||||
|
||||
// This should never even happen in the first place with 64-bit handles,
|
||||
while (handle_map.count(next_handle) != 0) {
|
||||
++next_handle;
|
||||
}
|
||||
handle_map.emplace(next_handle, itr->second.get());
|
||||
return MakeResult<ArchiveHandle>(next_handle++);
|
||||
}
|
||||
|
||||
ResultCode CloseArchive(ArchiveHandle handle) {
|
||||
if (handle_map.erase(handle) == 0)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
else
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
// TODO(yuriks): This might be what the fs:REG service is for. See the Register/Unregister calls in
|
||||
// http://3dbrew.org/wiki/Filesystem_services#ProgramRegistry_service_.22fs:REG.22
|
||||
ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code) {
|
||||
auto result = id_code_map.emplace(id_code, std::make_unique<Archive>(std::move(backend), id_code));
|
||||
|
||||
bool inserted = result.second;
|
||||
_dbg_assert_msg_(Service_FS, inserted, "Tried to register more than one archive with same id code");
|
||||
|
||||
auto& archive = result.first->second;
|
||||
LOG_DEBUG(Service_FS, "Registered archive %s with id code 0x%08X", archive->GetName().c_str(), id_code);
|
||||
return RESULT_SUCCESS;
|
||||
}
|
||||
|
||||
ResultVal<Handle> OpenFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path, const FileSys::Mode mode) {
|
||||
Archive* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
std::unique_ptr<FileSys::FileBackend> backend = archive->backend->OpenFile(path, mode);
|
||||
if (backend == nullptr) {
|
||||
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
|
||||
ErrorSummary::NotFound, ErrorLevel::Permanent);
|
||||
}
|
||||
|
||||
auto file = std::make_unique<File>(std::move(backend), path);
|
||||
Handle handle = Kernel::g_object_pool.Create(file.release());
|
||||
return MakeResult<Handle>(handle);
|
||||
}
|
||||
|
||||
ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
|
||||
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
if (archive->backend->DeleteFile(path))
|
||||
return RESULT_SUCCESS;
|
||||
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
||||
ErrorSummary::Canceled, ErrorLevel::Status);
|
||||
}
|
||||
|
||||
ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
|
||||
Handle dest_archive_handle, const FileSys::Path& dest_path) {
|
||||
Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle);
|
||||
Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle);
|
||||
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
|
||||
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
|
||||
Archive* src_archive = GetArchive(src_archive_handle);
|
||||
Archive* dest_archive = GetArchive(dest_archive_handle);
|
||||
if (src_archive == nullptr || dest_archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
if (src_archive == dest_archive) {
|
||||
if (src_archive->backend->RenameFile(src_path, dest_path))
|
||||
return RESULT_SUCCESS;
|
||||
|
|
@ -334,36 +279,42 @@ ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::P
|
|||
// TODO: Implement renaming across archives
|
||||
return UnimplementedFunction(ErrorModule::FS);
|
||||
}
|
||||
|
||||
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
|
||||
// exist or similar. Verify.
|
||||
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
||||
ErrorSummary::NothingHappened, ErrorLevel::Status);
|
||||
}
|
||||
|
||||
ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
|
||||
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
if (archive->backend->DeleteDirectory(path))
|
||||
return RESULT_SUCCESS;
|
||||
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
||||
ErrorSummary::Canceled, ErrorLevel::Status);
|
||||
}
|
||||
|
||||
ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle);
|
||||
ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
if (archive->backend->CreateDirectory(path))
|
||||
return RESULT_SUCCESS;
|
||||
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
||||
ErrorSummary::Canceled, ErrorLevel::Status);
|
||||
}
|
||||
|
||||
ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
|
||||
Handle dest_archive_handle, const FileSys::Path& dest_path) {
|
||||
Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle);
|
||||
Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle);
|
||||
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
|
||||
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
|
||||
Archive* src_archive = GetArchive(src_archive_handle);
|
||||
Archive* dest_archive = GetArchive(dest_archive_handle);
|
||||
if (src_archive == nullptr || dest_archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
|
||||
if (src_archive == dest_archive) {
|
||||
if (src_archive->backend->RenameDirectory(src_path, dest_path))
|
||||
return RESULT_SUCCESS;
|
||||
|
|
@ -371,6 +322,9 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
|
|||
// TODO: Implement renaming across archives
|
||||
return UnimplementedFunction(ErrorModule::FS);
|
||||
}
|
||||
|
||||
// TODO(yuriks): This code probably isn't right, it'll return a Status even if the file didn't
|
||||
// exist or similar. Verify.
|
||||
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
|
||||
ErrorSummary::NothingHappened, ErrorLevel::Status);
|
||||
}
|
||||
|
|
@ -381,44 +335,42 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
|
|||
* @param path Path to the Directory inside of the Archive
|
||||
* @return Opened Directory object
|
||||
*/
|
||||
ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) {
|
||||
Directory* directory = new Directory;
|
||||
Handle handle = Kernel::g_object_pool.Create(directory);
|
||||
|
||||
Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
|
||||
if (archive == nullptr) {
|
||||
ResultVal<Handle> OpenDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
|
||||
Archive* archive = GetArchive(archive_handle);
|
||||
if (archive == nullptr)
|
||||
return InvalidHandle(ErrorModule::FS);
|
||||
}
|
||||
directory->path = path;
|
||||
directory->backend = archive->backend->OpenDirectory(path);
|
||||
|
||||
if (!directory->backend) {
|
||||
std::unique_ptr<FileSys::DirectoryBackend> backend = archive->backend->OpenDirectory(path);
|
||||
if (backend == nullptr) {
|
||||
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
|
||||
ErrorSummary::NotFound, ErrorLevel::Permanent);
|
||||
}
|
||||
|
||||
auto directory = std::make_unique<Directory>(std::move(backend), path);
|
||||
Handle handle = Kernel::g_object_pool.Create(directory.release());
|
||||
return MakeResult<Handle>(handle);
|
||||
}
|
||||
|
||||
/// Initialize archives
|
||||
void ArchiveInit() {
|
||||
g_archive_map.clear();
|
||||
next_handle = 1;
|
||||
|
||||
// TODO(Link Mauve): Add the other archive types (see here for the known types:
|
||||
// http://3dbrew.org/wiki/FS:OpenArchive#Archive_idcodes). Currently the only half-finished
|
||||
// archive type is SDMC, so it is the only one getting exposed.
|
||||
|
||||
std::string sdmc_directory = FileUtil::GetUserPath(D_SDMC_IDX);
|
||||
auto archive = new FileSys::Archive_SDMC(sdmc_directory);
|
||||
auto archive = std::make_unique<FileSys::Archive_SDMC>(sdmc_directory);
|
||||
if (archive->Initialize())
|
||||
CreateArchive(archive, ArchiveIdCode::SDMC);
|
||||
CreateArchive(std::move(archive), ArchiveIdCode::SDMC);
|
||||
else
|
||||
LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s", sdmc_directory.c_str());
|
||||
}
|
||||
|
||||
/// Shutdown archives
|
||||
void ArchiveShutdown() {
|
||||
g_archive_map.clear();
|
||||
handle_map.clear();
|
||||
id_code_map.clear();
|
||||
}
|
||||
|
||||
} // namespace FS
|
||||
|
|
|
|||
|
|
@ -24,25 +24,27 @@ enum class ArchiveIdCode : u32 {
|
|||
SDMCWriteOnly = 0x0000000A,
|
||||
};
|
||||
|
||||
typedef u64 ArchiveHandle;
|
||||
|
||||
/**
|
||||
* Opens an archive
|
||||
* @param id_code IdCode of the archive to open
|
||||
* @return Handle to the opened archive
|
||||
*/
|
||||
ResultVal<Handle> OpenArchive(ArchiveIdCode id_code);
|
||||
ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code);
|
||||
|
||||
/**
|
||||
* Closes an archive
|
||||
* @param id_code IdCode of the archive to open
|
||||
*/
|
||||
ResultCode CloseArchive(ArchiveIdCode id_code);
|
||||
ResultCode CloseArchive(ArchiveHandle handle);
|
||||
|
||||
/**
|
||||
* Creates an Archive
|
||||
* @param backend File system backend interface to the archive
|
||||
* @param id_code Id code used to access this type of archive
|
||||
*/
|
||||
ResultCode CreateArchive(FileSys::ArchiveBackend* backend, ArchiveIdCode id_code);
|
||||
ResultCode CreateArchive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code);
|
||||
|
||||
/**
|
||||
* Open a File from an Archive
|
||||
|
|
@ -51,7 +53,7 @@ ResultCode CreateArchive(FileSys::ArchiveBackend* backend, ArchiveIdCode id_code
|
|||
* @param mode Mode under which to open the File
|
||||
* @return Handle to the opened File object
|
||||
*/
|
||||
ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
|
||||
ResultVal<Handle> OpenFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path, const FileSys::Mode mode);
|
||||
|
||||
/**
|
||||
* Delete a File from an Archive
|
||||
|
|
@ -59,7 +61,7 @@ ResultVal<Handle> OpenFileFromArchive(Handle archive_handle, const FileSys::Path
|
|||
* @param path Path to the File inside of the Archive
|
||||
* @return Whether deletion succeeded
|
||||
*/
|
||||
ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
|
||||
ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
|
||||
|
||||
/**
|
||||
* Rename a File between two Archives
|
||||
|
|
@ -69,8 +71,8 @@ ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& pat
|
|||
* @param dest_path Path to the File inside of the destination Archive
|
||||
* @return Whether rename succeeded
|
||||
*/
|
||||
ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
|
||||
Handle dest_archive_handle, const FileSys::Path& dest_path);
|
||||
ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
|
||||
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
|
||||
|
||||
/**
|
||||
* Delete a Directory from an Archive
|
||||
|
|
@ -78,7 +80,7 @@ ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::P
|
|||
* @param path Path to the Directory inside of the Archive
|
||||
* @return Whether deletion succeeded
|
||||
*/
|
||||
ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
|
||||
ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
|
||||
|
||||
/**
|
||||
* Create a Directory from an Archive
|
||||
|
|
@ -86,7 +88,7 @@ ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path
|
|||
* @param path Path to the Directory inside of the Archive
|
||||
* @return Whether creation of directory succeeded
|
||||
*/
|
||||
ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
|
||||
ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
|
||||
|
||||
/**
|
||||
* Rename a Directory between two Archives
|
||||
|
|
@ -96,8 +98,8 @@ ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path
|
|||
* @param dest_path Path to the Directory inside of the destination Archive
|
||||
* @return Whether rename succeeded
|
||||
*/
|
||||
ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path,
|
||||
Handle dest_archive_handle, const FileSys::Path& dest_path);
|
||||
ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
|
||||
ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
|
||||
|
||||
/**
|
||||
* Open a Directory from an Archive
|
||||
|
|
@ -105,7 +107,7 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
|
|||
* @param path Path to the Directory inside of the Archive
|
||||
* @return Handle to the opened File object
|
||||
*/
|
||||
ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
|
||||
ResultVal<Handle> OpenDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path);
|
||||
|
||||
/// Initialize archives
|
||||
void ArchiveInit();
|
||||
|
|
|
|||
|
|
@ -3,6 +3,7 @@
|
|||
// Refer to the license.txt file included.
|
||||
|
||||
#include "common/common.h"
|
||||
#include "common/scope_exit.h"
|
||||
|
||||
#include "common/string_util.h"
|
||||
#include "core/hle/service/fs/archive.h"
|
||||
|
|
@ -16,6 +17,10 @@
|
|||
namespace Service {
|
||||
namespace FS {
|
||||
|
||||
static ArchiveHandle MakeArchiveHandle(u32 low_word, u32 high_word) {
|
||||
return (u64)low_word | ((u64)high_word << 32);
|
||||
}
|
||||
|
||||
static void Initialize(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
|
|
@ -62,6 +67,7 @@ static void OpenFile(Service::Interface* self) {
|
|||
if (handle.Succeeded()) {
|
||||
cmd_buff[3] = *handle;
|
||||
} else {
|
||||
cmd_buff[3] = 0;
|
||||
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
|
||||
}
|
||||
}
|
||||
|
|
@ -106,25 +112,25 @@ static void OpenFileDirectly(Service::Interface* self) {
|
|||
if (archive_path.GetType() != FileSys::Empty) {
|
||||
LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
|
||||
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
|
||||
cmd_buff[3] = 0;
|
||||
return;
|
||||
}
|
||||
|
||||
// TODO(Link Mauve): Check if we should even get a handle for the archive, and don't leak it
|
||||
// TODO(yuriks): Why is there all this duplicate (and seemingly useless) code up here?
|
||||
ResultVal<Handle> archive_handle = OpenArchive(archive_id);
|
||||
cmd_buff[1] = archive_handle.Code().raw;
|
||||
ResultVal<ArchiveHandle> archive_handle = OpenArchive(archive_id);
|
||||
if (archive_handle.Failed()) {
|
||||
LOG_ERROR(Service_FS, "failed to get a handle for archive");
|
||||
cmd_buff[1] = archive_handle.Code().raw;
|
||||
cmd_buff[3] = 0;
|
||||
return;
|
||||
}
|
||||
// cmd_buff[2] isn't used according to 3dmoo's implementation.
|
||||
cmd_buff[3] = *archive_handle;
|
||||
SCOPE_EXIT({ CloseArchive(*archive_handle); });
|
||||
|
||||
ResultVal<Handle> handle = OpenFileFromArchive(*archive_handle, file_path, mode);
|
||||
cmd_buff[1] = handle.Code().raw;
|
||||
if (handle.Succeeded()) {
|
||||
cmd_buff[3] = *handle;
|
||||
} else {
|
||||
cmd_buff[3] = 0;
|
||||
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str());
|
||||
}
|
||||
}
|
||||
|
|
@ -140,12 +146,10 @@ static void OpenFileDirectly(Service::Interface* self) {
|
|||
* Outputs:
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
*/
|
||||
void DeleteFile(Service::Interface* self) {
|
||||
static void DeleteFile(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
|
||||
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
|
||||
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
|
||||
u32 filename_size = cmd_buff[5];
|
||||
u32 filename_ptr = cmd_buff[7];
|
||||
|
|
@ -174,15 +178,13 @@ void DeleteFile(Service::Interface* self) {
|
|||
* Outputs:
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
*/
|
||||
void RenameFile(Service::Interface* self) {
|
||||
static void RenameFile(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO(Link Mauve): cmd_buff[2] and cmd_buff[6], aka archive handle lower word, aren't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle src_archive_handle = static_cast<Handle>(cmd_buff[3]);
|
||||
ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
|
||||
auto src_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
|
||||
u32 src_filename_size = cmd_buff[5];
|
||||
Handle dest_archive_handle = static_cast<Handle>(cmd_buff[7]);
|
||||
ArchiveHandle dest_archive_handle = MakeArchiveHandle(cmd_buff[6], cmd_buff[7]);;
|
||||
auto dest_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[8]);
|
||||
u32 dest_filename_size = cmd_buff[9];
|
||||
u32 src_filename_ptr = cmd_buff[11];
|
||||
|
|
@ -209,12 +211,10 @@ void RenameFile(Service::Interface* self) {
|
|||
* Outputs:
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
*/
|
||||
void DeleteDirectory(Service::Interface* self) {
|
||||
static void DeleteDirectory(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
|
||||
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
|
||||
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
|
||||
u32 dirname_size = cmd_buff[5];
|
||||
u32 dirname_ptr = cmd_buff[7];
|
||||
|
|
@ -241,9 +241,7 @@ void DeleteDirectory(Service::Interface* self) {
|
|||
static void CreateDirectory(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO: cmd_buff[2], aka archive handle lower word, isn't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
|
||||
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
|
||||
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
|
||||
u32 dirname_size = cmd_buff[5];
|
||||
u32 dirname_ptr = cmd_buff[8];
|
||||
|
|
@ -271,15 +269,13 @@ static void CreateDirectory(Service::Interface* self) {
|
|||
* Outputs:
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
*/
|
||||
void RenameDirectory(Service::Interface* self) {
|
||||
static void RenameDirectory(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO(Link Mauve): cmd_buff[2] and cmd_buff[6], aka archive handle lower word, aren't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle src_archive_handle = static_cast<Handle>(cmd_buff[3]);
|
||||
ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
|
||||
auto src_dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
|
||||
u32 src_dirname_size = cmd_buff[5];
|
||||
Handle dest_archive_handle = static_cast<Handle>(cmd_buff[7]);
|
||||
ArchiveHandle dest_archive_handle = MakeArchiveHandle(cmd_buff[6], cmd_buff[7]);
|
||||
auto dest_dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[8]);
|
||||
u32 dest_dirname_size = cmd_buff[9];
|
||||
u32 src_dirname_ptr = cmd_buff[11];
|
||||
|
|
@ -295,12 +291,23 @@ void RenameDirectory(Service::Interface* self) {
|
|||
cmd_buff[1] = RenameDirectoryBetweenArchives(src_archive_handle, src_dir_path, dest_archive_handle, dest_dir_path).raw;
|
||||
}
|
||||
|
||||
/**
|
||||
* FS_User::OpenDirectory service function
|
||||
* Inputs:
|
||||
* 1 : Archive handle low word
|
||||
* 2 : Archive handle high word
|
||||
* 3 : Low path type
|
||||
* 4 : Low path size
|
||||
* 7 : (LowPathSize << 14) | 2
|
||||
* 8 : Low path data pointer
|
||||
* Outputs:
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
* 3 : Directory handle
|
||||
*/
|
||||
static void OpenDirectory(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to
|
||||
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
|
||||
Handle archive_handle = static_cast<Handle>(cmd_buff[2]);
|
||||
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[1], cmd_buff[2]);
|
||||
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
|
||||
u32 dirname_size = cmd_buff[4];
|
||||
u32 dirname_ptr = cmd_buff[6];
|
||||
|
|
@ -348,16 +355,34 @@ static void OpenArchive(Service::Interface* self) {
|
|||
return;
|
||||
}
|
||||
|
||||
ResultVal<Handle> handle = OpenArchive(archive_id);
|
||||
ResultVal<ArchiveHandle> handle = OpenArchive(archive_id);
|
||||
cmd_buff[1] = handle.Code().raw;
|
||||
if (handle.Succeeded()) {
|
||||
// cmd_buff[2] isn't used according to 3dmoo's implementation.
|
||||
cmd_buff[3] = *handle;
|
||||
cmd_buff[2] = *handle & 0xFFFFFFFF;
|
||||
cmd_buff[3] = (*handle >> 32) & 0xFFFFFFFF;
|
||||
} else {
|
||||
cmd_buff[2] = cmd_buff[3] = 0;
|
||||
LOG_ERROR(Service_FS, "failed to get a handle for archive");
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* FS_User::CloseArchive service function
|
||||
* Inputs:
|
||||
* 0 : 0x080E0080
|
||||
* 1 : Archive handle low word
|
||||
* 2 : Archive handle high word
|
||||
* Outputs:
|
||||
* 0 : ??? TODO(yuriks): Verify return header
|
||||
* 1 : Result of function, 0 on success, otherwise error code
|
||||
*/
|
||||
static void CloseArchive(Service::Interface* self) {
|
||||
u32* cmd_buff = Kernel::GetCommandBuffer();
|
||||
|
||||
ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[1], cmd_buff[2]);
|
||||
cmd_buff[1] = CloseArchive(archive_handle).raw;
|
||||
}
|
||||
|
||||
/*
|
||||
* FS_User::IsSdmcDetected service function
|
||||
* Outputs:
|
||||
|
|
@ -389,7 +414,7 @@ const FSUserInterface::FunctionInfo FunctionTable[] = {
|
|||
{0x080B0102, OpenDirectory, "OpenDirectory"},
|
||||
{0x080C00C2, OpenArchive, "OpenArchive"},
|
||||
{0x080D0144, nullptr, "ControlArchive"},
|
||||
{0x080E0080, nullptr, "CloseArchive"},
|
||||
{0x080E0080, CloseArchive, "CloseArchive"},
|
||||
{0x080F0180, nullptr, "FormatThisUserSaveData"},
|
||||
{0x08100200, nullptr, "CreateSystemSaveData"},
|
||||
{0x08110040, nullptr, "DeleteSystemSaveData"},
|
||||
|
|
|
|||
|
|
@ -74,7 +74,7 @@ ResultStatus LoadFile(const std::string& filename) {
|
|||
|
||||
// Load application and RomFS
|
||||
if (ResultStatus::Success == app_loader.Load()) {
|
||||
Service::FS::CreateArchive(new FileSys::Archive_RomFS(app_loader), Service::FS::ArchiveIdCode::RomFS);
|
||||
Service::FS::CreateArchive(std::make_unique<FileSys::Archive_RomFS>(app_loader), Service::FS::ArchiveIdCode::RomFS);
|
||||
return ResultStatus::Success;
|
||||
}
|
||||
break;
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue