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FS.Archive: Clean up treatment of archives and their handles

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- 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 2014-12-15 06:41:02 -02:00
parent 0931a42af0
commit 83e6e4ffec
11 changed files with 208 additions and 398 deletions
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30
src/core/file_sys/archive_backend.h
View File

@ -220,36 +220,6 @@ public:
* @return Opened directory, or nullptr * @return Opened directory, or nullptr
*/ */
virtual std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const = 0; virtual std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const = 0;
/**
* Read data from the archive
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
virtual size_t Read(const u64 offset, const u32 length, u8* buffer) const = 0;
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
virtual size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) = 0;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
virtual size_t GetSize() const = 0;
/**
* Set the size of the archive in bytes
*/
virtual void SetSize(const u64 size) = 0;
}; };
} // namespace FileSys } // namespace FileSys

50
src/core/file_sys/archive_romfs.cpp
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@ -2,6 +2,8 @@
// Licensed under GPLv2 // Licensed under GPLv2
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <memory>
#include "common/common_types.h" #include "common/common_types.h"
#include "core/file_sys/archive_romfs.h" #include "core/file_sys/archive_romfs.h"
@ -20,9 +22,6 @@ Archive_RomFS::Archive_RomFS(const Loader::AppLoader& app_loader) {
} }
} }
Archive_RomFS::~Archive_RomFS() {
}
/** /**
* Open a file specified by its path, using the specified mode * Open a file specified by its path, using the specified mode
* @param path Path relative to the archive * @param path Path relative to the archive
@ -30,7 +29,7 @@ Archive_RomFS::~Archive_RomFS() {
* @return Opened file, or nullptr * @return Opened file, or nullptr
*/ */
std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const { std::unique_ptr<FileBackend> Archive_RomFS::OpenFile(const Path& path, const Mode mode) const {
return std::unique_ptr<FileBackend>(new File_RomFS); return std::make_unique<File_RomFS>(this);
} }
/** /**
@ -79,48 +78,7 @@ bool Archive_RomFS::RenameDirectory(const FileSys::Path& src_path, const FileSys
* @return Opened directory, or nullptr * @return Opened directory, or nullptr
*/ */
std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const { std::unique_ptr<DirectoryBackend> Archive_RomFS::OpenDirectory(const Path& path) const {
return std::unique_ptr<DirectoryBackend>(new Directory_RomFS); return std::make_unique<Directory_RomFS>();
}
/**
* Read data from the archive
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, &raw_data[(u32)offset], length);
return length;
}
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Archive_RomFS::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
return 0;
}
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t Archive_RomFS::GetSize() const {
return sizeof(u8) * raw_data.size();
}
/**
* Set the size of the archive in bytes
*/
void Archive_RomFS::SetSize(const u64 size) {
LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
} }
} // namespace FileSys } // namespace FileSys

33
src/core/file_sys/archive_romfs.h
View File

@ -20,7 +20,6 @@ namespace FileSys {
class Archive_RomFS final : public ArchiveBackend { class Archive_RomFS final : public ArchiveBackend {
public: public:
Archive_RomFS(const Loader::AppLoader& app_loader); Archive_RomFS(const Loader::AppLoader& app_loader);
~Archive_RomFS() override;
std::string GetName() const override { return "RomFS"; } std::string GetName() const override { return "RomFS"; }
@ -76,37 +75,9 @@ public:
*/ */
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override; std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
/**
* Read data from the archive
* @param offset Offset in bytes to start reading data from
* @param length Length in bytes of data to read from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t GetSize() const override;
/**
* Set the size of the archive in bytes
*/
void SetSize(const u64 size) override;
private: private:
friend class File_RomFS;
std::vector<u8> raw_data; std::vector<u8> raw_data;
}; };

41
src/core/file_sys/archive_sdmc.cpp
View File

@ -105,47 +105,6 @@ std::unique_ptr<DirectoryBackend> Archive_SDMC::OpenDirectory(const Path& path)
return std::unique_ptr<DirectoryBackend>(directory); return std::unique_ptr<DirectoryBackend>(directory);
} }
/**
* Read data from the archive
* @param offset Offset in bytes to start reading archive from
* @param length Length in bytes to read data from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Archive_SDMC::Read(const u64 offset, const u32 length, u8* buffer) const {
LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
return -1;
}
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Archive_SDMC::Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) {
LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
return -1;
}
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t Archive_SDMC::GetSize() const {
LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
return 0;
}
/**
* Set the size of the archive in bytes
*/
void Archive_SDMC::SetSize(const u64 size) {
LOG_ERROR(Service_FS, "(UNIMPLEMENTED)");
}
/** /**
* Getter for the path used for this Archive * Getter for the path used for this Archive
* @return Mount point of that passthrough archive * @return Mount point of that passthrough archive

30
src/core/file_sys/archive_sdmc.h
View File

@ -80,36 +80,6 @@ public:
*/ */
std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override; std::unique_ptr<DirectoryBackend> OpenDirectory(const Path& path) const override;
/**
* Read data from the archive
* @param offset Offset in bytes to start reading archive from
* @param length Length in bytes to read data from archive
* @param buffer Buffer to read data into
* @return Number of bytes read
*/
size_t Read(const u64 offset, const u32 length, u8* buffer) const override;
/**
* Write data to the archive
* @param offset Offset in bytes to start writing data to
* @param length Length in bytes of data to write to archive
* @param buffer Buffer to write data from
* @param flush The flush parameters (0 == do not flush)
* @return Number of bytes written
*/
size_t Write(const u64 offset, const u32 length, const u32 flush, u8* buffer) override;
/**
* Get the size of the archive in bytes
* @return Size of the archive in bytes
*/
size_t GetSize() const override;
/**
* Set the size of the archive in bytes
*/
void SetSize(const u64 size) override;
/** /**
* Getter for the path used for this Archive * Getter for the path used for this Archive
* @return Mount point of that passthrough archive * @return Mount point of that passthrough archive

19
src/core/file_sys/file_romfs.cpp
View File

@ -5,24 +5,19 @@
#include "common/common_types.h" #include "common/common_types.h"
#include "core/file_sys/file_romfs.h" #include "core/file_sys/file_romfs.h"
#include "core/file_sys/archive_romfs.h"
//////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////
// FileSys namespace // FileSys namespace
namespace FileSys { namespace FileSys {
File_RomFS::File_RomFS() {
}
File_RomFS::~File_RomFS() {
}
/** /**
* Open the file * Open the file
* @return true if the file opened correctly * @return true if the file opened correctly
*/ */
bool File_RomFS::Open() { bool File_RomFS::Open() {
return false; return true;
} }
/** /**
@ -33,7 +28,9 @@ bool File_RomFS::Open() {
* @return Number of bytes read * @return Number of bytes read
*/ */
size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const { size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
return -1; LOG_TRACE(Service_FS, "called offset=%llu, length=%d", offset, length);
memcpy(buffer, &archive->raw_data[(u32)offset], length);
return length;
} }
/** /**
@ -45,7 +42,8 @@ size_t File_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
* @return Number of bytes written * @return Number of bytes written
*/ */
size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const { size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, const u8* buffer) const {
return -1; LOG_WARNING(Service_FS, "Attempted to write to ROMFS.");
return 0;
} }
/** /**
@ -53,7 +51,7 @@ size_t File_RomFS::Write(const u64 offset, const u32 length, const u32 flush, co
* @return Size of the file in bytes * @return Size of the file in bytes
*/ */
size_t File_RomFS::GetSize() const { size_t File_RomFS::GetSize() const {
return -1; return sizeof(u8) * archive->raw_data.size();
} }
/** /**
@ -62,6 +60,7 @@ size_t File_RomFS::GetSize() const {
* @return true if successful * @return true if successful
*/ */
bool File_RomFS::SetSize(const u64 size) const { bool File_RomFS::SetSize(const u64 size) const {
LOG_WARNING(Service_FS, "Attempted to set the size of ROMFS");
return false; return false;
} }

8
src/core/file_sys/file_romfs.h
View File

@ -14,10 +14,11 @@
namespace FileSys { namespace FileSys {
class Archive_RomFS;
class File_RomFS final : public FileBackend { class File_RomFS final : public FileBackend {
public: public:
File_RomFS(); File_RomFS(const Archive_RomFS* archive) : archive(archive) {}
~File_RomFS() override;
/** /**
* Open the file * Open the file
@ -62,6 +63,9 @@ public:
* @return true if the file closed correctly * @return true if the file closed correctly
*/ */
bool Close() const override; bool Close() const override;
private:
const Archive_RomFS* archive;
}; };
} // namespace FileSys } // namespace FileSys

272
src/core/hle/service/fs/archive.cpp
View File

@ -2,7 +2,8 @@
// Licensed under GPLv2 // Licensed under GPLv2
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include <map> #include <memory>
#include <unordered_map>
#include "common/common_types.h" #include "common/common_types.h"
#include "common/file_util.h" #include "common/file_util.h"
@ -41,74 +42,24 @@ enum class DirectoryCommand : u32 {
Close = 0x08020000, Close = 0x08020000,
}; };
class Archive : public Kernel::Session { class Archive {
public: public:
std::string GetName() const override { return "Archive: " + backend->GetName(); } Archive(std::unique_ptr<FileSys::ArchiveBackend>&& backend, ArchiveIdCode id_code)
: backend(std::move(backend)), id_code(id_code) {
}
std::string GetName() const { return "Archive: " + backend->GetName(); }
ArchiveIdCode id_code; ///< Id code of the archive ArchiveIdCode id_code; ///< Id code of the archive
FileSys::ArchiveBackend* backend; ///< Archive backend interface std::unique_ptr<FileSys::ArchiveBackend> backend; ///< Archive backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from archive...
case FileCommand::Read:
{
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
// Number of bytes read
cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
break;
}
// Write to archive...
case FileCommand::Write:
{
u64 offset = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
u32 length = cmd_buff[3];
u32 flush = cmd_buff[4];
u32 address = cmd_buff[6];
// Number of bytes written
cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
break;
}
case FileCommand::GetSize:
{
u64 filesize = (u64) backend->GetSize();
cmd_buff[2] = (u32) filesize; // Lower word
cmd_buff[3] = (u32) (filesize >> 32); // Upper word
break;
}
case FileCommand::SetSize:
{
backend->SetSize(cmd_buff[1] | ((u64)cmd_buff[2] << 32));
break;
}
case FileCommand::Close:
{
LOG_TRACE(Service_FS, "Close %s %s", GetTypeName().c_str(), GetName().c_str());
CloseArchive(id_code);
break;
}
// Unknown command...
default:
{
LOG_ERROR(Service_FS, "Unknown command=0x%08X", cmd);
cmd_buff[0] = UnimplementedFunction(ErrorModule::FS).raw;
return MakeResult<bool>(false);
}
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
}; };
class File : public Kernel::Session { class File : public Kernel::Session {
public: public:
File(std::unique_ptr<FileSys::FileBackend>&& backend, const FileSys::Path& path)
: backend(std::move(backend)), path(path) {
}
std::string GetName() const override { return "Path: " + path.DebugStr(); } std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file FileSys::Path path; ///< Path of the file
@ -183,6 +134,10 @@ public:
class Directory : public Kernel::Session { class Directory : public Kernel::Session {
public: public:
Directory(std::unique_ptr<FileSys::DirectoryBackend>&& backend, const FileSys::Path& path)
: backend(std::move(backend)), path(path) {
}
std::string GetName() const override { return "Directory: " + path.DebugStr(); } std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory FileSys::Path path; ///< Path of the directory
@ -228,105 +183,95 @@ public:
//////////////////////////////////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////////////////////////////////////
std::map<ArchiveIdCode, Handle> g_archive_map; ///< Map of file archives by IdCode /**
* Map of registered archives, identified by id code. Once an archive is registered here, it is
ResultVal<Handle> OpenArchive(ArchiveIdCode id_code) { * never removed until the FS service is shut down.
auto itr = g_archive_map.find(id_code); */
if (itr == g_archive_map.end()) { static std::unordered_map<ArchiveIdCode, std::unique_ptr<Archive>> id_code_map;
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
return MakeResult<Handle>(itr->second);
}
ResultCode CloseArchive(ArchiveIdCode id_code) {
auto itr = g_archive_map.find(id_code);
if (itr == g_archive_map.end()) {
LOG_ERROR(Service_FS, "Cannot close archive %d, does not exist!", (int)id_code);
return InvalidHandle(ErrorModule::FS);
}
LOG_TRACE(Service_FS, "Closed archive %d", (int) id_code);
return RESULT_SUCCESS;
}
/** /**
* Mounts an archive * Map of active archive handles. Values are pointers to the archives in `idcode_map`.
* @param archive Pointer to the archive to mount
*/ */
ResultCode MountArchive(Archive* archive) { static std::unordered_map<ArchiveHandle, Archive*> handle_map;
ArchiveIdCode id_code = archive->id_code; static ArchiveHandle next_handle;
ResultVal<Handle> archive_handle = OpenArchive(id_code);
if (archive_handle.Succeeded()) { static Archive* GetArchive(ArchiveHandle handle) {
LOG_ERROR(Service_FS, "Cannot mount two archives with the same ID code! (%d)", (int) id_code); auto itr = handle_map.find(handle);
return archive_handle.Code(); return (itr == handle_map.end()) ? nullptr : itr->second;
}
g_archive_map[id_code] = archive->GetHandle();
LOG_TRACE(Service_FS, "Mounted archive %s", archive->GetName().c_str());
return RESULT_SUCCESS;
} }
ResultCode CreateArchive(FileSys::ArchiveBackend* backend, ArchiveIdCode id_code) { ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code) {
Archive* archive = new Archive; LOG_TRACE(Service_FS, "Opening archive with id code 0x%08X", id_code);
Handle handle = Kernel::g_object_pool.Create(archive);
archive->id_code = id_code;
archive->backend = backend;
ResultCode result = MountArchive(archive); auto itr = id_code_map.find(id_code);
if (result.IsError()) { if (itr == id_code_map.end()) {
return result; // TODO: Verify error against hardware
}
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) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS, return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent); 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); return MakeResult<Handle>(handle);
} }
ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) { ResultCode DeleteFileFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle); Archive* archive = GetArchive(archive_handle);
if (archive == nullptr) if (archive == nullptr)
return InvalidHandle(ErrorModule::FS); return InvalidHandle(ErrorModule::FS);
if (archive->backend->DeleteFile(path)) if (archive->backend->DeleteFile(path))
return RESULT_SUCCESS; return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status); ErrorSummary::Canceled, ErrorLevel::Status);
} }
ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path, ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
Handle dest_archive_handle, const FileSys::Path& dest_path) { ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle); Archive* src_archive = GetArchive(src_archive_handle);
Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle); Archive* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr) if (src_archive == nullptr || dest_archive == nullptr)
return InvalidHandle(ErrorModule::FS); return InvalidHandle(ErrorModule::FS);
if (src_archive == dest_archive) { if (src_archive == dest_archive) {
if (src_archive->backend->RenameFile(src_path, dest_path)) if (src_archive->backend->RenameFile(src_path, dest_path))
return RESULT_SUCCESS; return RESULT_SUCCESS;
@ -334,36 +279,42 @@ ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::P
// TODO: Implement renaming across archives // TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS); 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 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status); ErrorSummary::NothingHappened, ErrorLevel::Status);
} }
ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) { ResultCode DeleteDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle); Archive* archive = GetArchive(archive_handle);
if (archive == nullptr) if (archive == nullptr)
return InvalidHandle(ErrorModule::FS); return InvalidHandle(ErrorModule::FS);
if (archive->backend->DeleteDirectory(path)) if (archive->backend->DeleteDirectory(path))
return RESULT_SUCCESS; return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status); ErrorSummary::Canceled, ErrorLevel::Status);
} }
ResultCode CreateDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) { ResultCode CreateDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(archive_handle); Archive* archive = GetArchive(archive_handle);
if (archive == nullptr) if (archive == nullptr)
return InvalidHandle(ErrorModule::FS); return InvalidHandle(ErrorModule::FS);
if (archive->backend->CreateDirectory(path)) if (archive->backend->CreateDirectory(path))
return RESULT_SUCCESS; return RESULT_SUCCESS;
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::Canceled, ErrorLevel::Status); ErrorSummary::Canceled, ErrorLevel::Status);
} }
ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path, ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
Handle dest_archive_handle, const FileSys::Path& dest_path) { ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path) {
Archive* src_archive = Kernel::g_object_pool.GetFast<Archive>(src_archive_handle); Archive* src_archive = GetArchive(src_archive_handle);
Archive* dest_archive = Kernel::g_object_pool.GetFast<Archive>(dest_archive_handle); Archive* dest_archive = GetArchive(dest_archive_handle);
if (src_archive == nullptr || dest_archive == nullptr) if (src_archive == nullptr || dest_archive == nullptr)
return InvalidHandle(ErrorModule::FS); return InvalidHandle(ErrorModule::FS);
if (src_archive == dest_archive) { if (src_archive == dest_archive) {
if (src_archive->backend->RenameDirectory(src_path, dest_path)) if (src_archive->backend->RenameDirectory(src_path, dest_path))
return RESULT_SUCCESS; return RESULT_SUCCESS;
@ -371,6 +322,9 @@ ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileS
// TODO: Implement renaming across archives // TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS); 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 return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status); 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 * @param path Path to the Directory inside of the Archive
* @return Opened Directory object * @return Opened Directory object
*/ */
ResultVal<Handle> OpenDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path) { ResultVal<Handle> OpenDirectoryFromArchive(ArchiveHandle archive_handle, const FileSys::Path& path) {
Directory* directory = new Directory; Archive* archive = GetArchive(archive_handle);
Handle handle = Kernel::g_object_pool.Create(directory); if (archive == nullptr)
Archive* archive = Kernel::g_object_pool.Get<Archive>(archive_handle);
if (archive == nullptr) {
return InvalidHandle(ErrorModule::FS); 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, return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent); 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); return MakeResult<Handle>(handle);
} }
/// Initialize archives /// Initialize archives
void ArchiveInit() { void ArchiveInit() {
g_archive_map.clear(); next_handle = 1;
// TODO(Link Mauve): Add the other archive types (see here for the known types: // 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 // 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. // archive type is SDMC, so it is the only one getting exposed.
std::string sdmc_directory = FileUtil::GetUserPath(D_SDMC_IDX); 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()) if (archive->Initialize())
CreateArchive(archive, ArchiveIdCode::SDMC); CreateArchive(std::move(archive), ArchiveIdCode::SDMC);
else else
LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s", sdmc_directory.c_str()); LOG_ERROR(Service_FS, "Can't instantiate SDMC archive with path %s", sdmc_directory.c_str());
} }
/// Shutdown archives /// Shutdown archives
void ArchiveShutdown() { void ArchiveShutdown() {
g_archive_map.clear(); handle_map.clear();
id_code_map.clear();
} }
} // namespace FS } // namespace FS

26
src/core/hle/service/fs/archive.h
View File

@ -24,25 +24,27 @@ enum class ArchiveIdCode : u32 {
SDMCWriteOnly = 0x0000000A, SDMCWriteOnly = 0x0000000A,
}; };
typedef u64 ArchiveHandle;
/** /**
* Opens an archive * Opens an archive
* @param id_code IdCode of the archive to open * @param id_code IdCode of the archive to open
* @return Handle to the opened archive * @return Handle to the opened archive
*/ */
ResultVal<Handle> OpenArchive(ArchiveIdCode id_code); ResultVal<ArchiveHandle> OpenArchive(ArchiveIdCode id_code);
/** /**
* Closes an archive * Closes an archive
* @param id_code IdCode of the archive to open * @param id_code IdCode of the archive to open
*/ */
ResultCode CloseArchive(ArchiveIdCode id_code); ResultCode CloseArchive(ArchiveHandle handle);
/** /**
* Creates an Archive * Creates an Archive
* @param backend File system backend interface to the archive * @param backend File system backend interface to the archive
* @param id_code Id code used to access this type of 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 * 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 * @param mode Mode under which to open the File
* @return Handle to the opened File object * @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 * 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 * @param path Path to the File inside of the Archive
* @return Whether deletion succeeded * @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 * 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 * @param dest_path Path to the File inside of the destination Archive
* @return Whether rename succeeded * @return Whether rename succeeded
*/ */
ResultCode RenameFileBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path, ResultCode RenameFileBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
Handle dest_archive_handle, const FileSys::Path& dest_path); ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
/** /**
* Delete a Directory from an Archive * 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 * @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded * @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 * 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 * @param path Path to the Directory inside of the Archive
* @return Whether creation of directory succeeded * @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 * 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 * @param dest_path Path to the Directory inside of the destination Archive
* @return Whether rename succeeded * @return Whether rename succeeded
*/ */
ResultCode RenameDirectoryBetweenArchives(Handle src_archive_handle, const FileSys::Path& src_path, ResultCode RenameDirectoryBetweenArchives(ArchiveHandle src_archive_handle, const FileSys::Path& src_path,
Handle dest_archive_handle, const FileSys::Path& dest_path); ArchiveHandle dest_archive_handle, const FileSys::Path& dest_path);
/** /**
* Open a Directory from an Archive * 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 * @param path Path to the Directory inside of the Archive
* @return Handle to the opened File object * @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 /// Initialize archives
void ArchiveInit(); void ArchiveInit();

93
src/core/hle/service/fs/fs_user.cpp
View File

@ -3,6 +3,7 @@
// Refer to the license.txt file included. // Refer to the license.txt file included.
#include "common/common.h" #include "common/common.h"
#include "common/scope_exit.h"
#include "common/string_util.h" #include "common/string_util.h"
#include "core/hle/service/fs/archive.h" #include "core/hle/service/fs/archive.h"
@ -16,6 +17,10 @@
namespace Service { namespace Service {
namespace FS { 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) { static void Initialize(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
@ -62,6 +67,7 @@ static void OpenFile(Service::Interface* self) {
if (handle.Succeeded()) { if (handle.Succeeded()) {
cmd_buff[3] = *handle; cmd_buff[3] = *handle;
} else { } else {
cmd_buff[3] = 0;
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str()); 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) { if (archive_path.GetType() != FileSys::Empty) {
LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported"); LOG_ERROR(Service_FS, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw; cmd_buff[1] = UnimplementedFunction(ErrorModule::FS).raw;
cmd_buff[3] = 0;
return; return;
} }
// TODO(Link Mauve): Check if we should even get a handle for the archive, and don't leak it ResultVal<ArchiveHandle> archive_handle = OpenArchive(archive_id);
// 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;
if (archive_handle.Failed()) { if (archive_handle.Failed()) {
LOG_ERROR(Service_FS, "failed to get a handle for archive"); LOG_ERROR(Service_FS, "failed to get a handle for archive");
cmd_buff[1] = archive_handle.Code().raw;
cmd_buff[3] = 0;
return; return;
} }
// cmd_buff[2] isn't used according to 3dmoo's implementation. SCOPE_EXIT({ CloseArchive(*archive_handle); });
cmd_buff[3] = *archive_handle;
ResultVal<Handle> handle = OpenFileFromArchive(*archive_handle, file_path, mode); ResultVal<Handle> handle = OpenFileFromArchive(*archive_handle, file_path, mode);
cmd_buff[1] = handle.Code().raw; cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) { if (handle.Succeeded()) {
cmd_buff[3] = *handle; cmd_buff[3] = *handle;
} else { } else {
cmd_buff[3] = 0;
LOG_ERROR(Service_FS, "failed to get a handle for file %s", file_path.DebugStr().c_str()); 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: * Outputs:
* 1 : Result of function, 0 on success, otherwise error code * 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(); u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]); auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5]; u32 filename_size = cmd_buff[5];
u32 filename_ptr = cmd_buff[7]; u32 filename_ptr = cmd_buff[7];
@ -174,15 +178,13 @@ void DeleteFile(Service::Interface* self) {
* Outputs: * Outputs:
* 1 : Result of function, 0 on success, otherwise error code * 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(); 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 ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle src_archive_handle = static_cast<Handle>(cmd_buff[3]);
auto src_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]); auto src_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 src_filename_size = cmd_buff[5]; 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]); auto dest_filename_type = static_cast<FileSys::LowPathType>(cmd_buff[8]);
u32 dest_filename_size = cmd_buff[9]; u32 dest_filename_size = cmd_buff[9];
u32 src_filename_ptr = cmd_buff[11]; u32 src_filename_ptr = cmd_buff[11];
@ -209,12 +211,10 @@ void RenameFile(Service::Interface* self) {
* Outputs: * Outputs:
* 1 : Result of function, 0 on success, otherwise error code * 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(); u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]); auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 dirname_size = cmd_buff[5]; u32 dirname_size = cmd_buff[5];
u32 dirname_ptr = cmd_buff[7]; u32 dirname_ptr = cmd_buff[7];
@ -241,9 +241,7 @@ void DeleteDirectory(Service::Interface* self) {
static void CreateDirectory(Service::Interface* self) { static void CreateDirectory(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO: cmd_buff[2], aka archive handle lower word, isn't used according to ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[3]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]); auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 dirname_size = cmd_buff[5]; u32 dirname_size = cmd_buff[5];
u32 dirname_ptr = cmd_buff[8]; u32 dirname_ptr = cmd_buff[8];
@ -271,15 +269,13 @@ static void CreateDirectory(Service::Interface* self) {
* Outputs: * Outputs:
* 1 : Result of function, 0 on success, otherwise error code * 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(); 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 ArchiveHandle src_archive_handle = MakeArchiveHandle(cmd_buff[2], cmd_buff[3]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle src_archive_handle = static_cast<Handle>(cmd_buff[3]);
auto src_dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]); auto src_dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 src_dirname_size = cmd_buff[5]; 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]); auto dest_dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[8]);
u32 dest_dirname_size = cmd_buff[9]; u32 dest_dirname_size = cmd_buff[9];
u32 src_dirname_ptr = cmd_buff[11]; 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; 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) { static void OpenDirectory(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer(); u32* cmd_buff = Kernel::GetCommandBuffer();
// TODO(Link Mauve): cmd_buff[2], aka archive handle lower word, isn't used according to ArchiveHandle archive_handle = MakeArchiveHandle(cmd_buff[1], cmd_buff[2]);
// 3dmoo's or ctrulib's implementations. Triple check if it's really the case.
Handle archive_handle = static_cast<Handle>(cmd_buff[2]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]); auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
u32 dirname_size = cmd_buff[4]; u32 dirname_size = cmd_buff[4];
u32 dirname_ptr = cmd_buff[6]; u32 dirname_ptr = cmd_buff[6];
@ -348,16 +355,34 @@ static void OpenArchive(Service::Interface* self) {
return; return;
} }
ResultVal<Handle> handle = OpenArchive(archive_id); ResultVal<ArchiveHandle> handle = OpenArchive(archive_id);
cmd_buff[1] = handle.Code().raw; cmd_buff[1] = handle.Code().raw;
if (handle.Succeeded()) { if (handle.Succeeded()) {
// cmd_buff[2] isn't used according to 3dmoo's implementation. cmd_buff[2] = *handle & 0xFFFFFFFF;
cmd_buff[3] = *handle; cmd_buff[3] = (*handle >> 32) & 0xFFFFFFFF;
} else { } else {
cmd_buff[2] = cmd_buff[3] = 0;
LOG_ERROR(Service_FS, "failed to get a handle for archive"); 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 * FS_User::IsSdmcDetected service function
* Outputs: * Outputs:
@ -389,7 +414,7 @@ const FSUserInterface::FunctionInfo FunctionTable[] = {
{0x080B0102, OpenDirectory, "OpenDirectory"}, {0x080B0102, OpenDirectory, "OpenDirectory"},
{0x080C00C2, OpenArchive, "OpenArchive"}, {0x080C00C2, OpenArchive, "OpenArchive"},
{0x080D0144, nullptr, "ControlArchive"}, {0x080D0144, nullptr, "ControlArchive"},
{0x080E0080, nullptr, "CloseArchive"}, {0x080E0080, CloseArchive, "CloseArchive"},
{0x080F0180, nullptr, "FormatThisUserSaveData"}, {0x080F0180, nullptr, "FormatThisUserSaveData"},
{0x08100200, nullptr, "CreateSystemSaveData"}, {0x08100200, nullptr, "CreateSystemSaveData"},
{0x08110040, nullptr, "DeleteSystemSaveData"}, {0x08110040, nullptr, "DeleteSystemSaveData"},

2
src/core/loader/loader.cpp
View File

@ -74,7 +74,7 @@ ResultStatus LoadFile(const std::string& filename) {
// Load application and RomFS // Load application and RomFS
if (ResultStatus::Success == app_loader.Load()) { 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; return ResultStatus::Success;
} }
break; break;