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HLE: Move kernel/archive.* to service/fs/

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This commit is contained in:
Yuri Kunde Schlesner 2014-12-14 04:32:45 -02:00
parent 731b31fe97
commit c72ccfa6db
9 changed files with 11 additions and 12 deletions
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426
src/core/hle/kernel/archive.cpp
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@ -1,426 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <map>
#include "common/common_types.h"
#include "common/file_util.h"
#include "common/math_util.h"
#include "core/file_sys/archive.h"
#include "core/file_sys/archive_sdmc.h"
#include "core/file_sys/directory.h"
#include "core/hle/kernel/archive.h"
#include "core/hle/kernel/session.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Kernel namespace
namespace Kernel {
// Command to access archive file
enum class FileCommand : u32 {
Dummy1 = 0x000100C6,
Control = 0x040100C4,
OpenSubFile = 0x08010100,
Read = 0x080200C2,
Write = 0x08030102,
GetSize = 0x08040000,
SetSize = 0x08050080,
GetAttributes = 0x08060000,
SetAttributes = 0x08070040,
Close = 0x08080000,
Flush = 0x08090000,
};
// Command to access directory
enum class DirectoryCommand : u32 {
Dummy1 = 0x000100C6,
Control = 0x040100C4,
Read = 0x08010042,
Close = 0x08020000,
};
class Archive : public Kernel::Session {
public:
std::string GetName() const override { return "Archive: " + name; }
std::string name; ///< Name of archive (optional)
FileSys::Archive* 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(backend->GetIdCode());
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 {
public:
std::string GetName() const override { return "Path: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the file
std::unique_ptr<FileSys::File> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
FileCommand cmd = static_cast<FileCommand>(cmd_buff[0]);
switch (cmd) {
// Read from file...
case FileCommand::Read:
{
u64 offset = cmd_buff[1] | ((u64) cmd_buff[2]) << 32;
u32 length = cmd_buff[3];
u32 address = cmd_buff[5];
LOG_TRACE(Service_FS, "Read %s %s: offset=0x%llx length=%d address=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address);
cmd_buff[2] = backend->Read(offset, length, Memory::GetPointer(address));
break;
}
// Write to file...
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];
LOG_TRACE(Service_FS, "Write %s %s: offset=0x%llx length=%d address=0x%x, flush=0x%x",
GetTypeName().c_str(), GetName().c_str(), offset, length, address, flush);
cmd_buff[2] = backend->Write(offset, length, flush, Memory::GetPointer(address));
break;
}
case FileCommand::GetSize:
{
LOG_TRACE(Service_FS, "GetSize %s %s", GetTypeName().c_str(), GetName().c_str());
u64 size = backend->GetSize();
cmd_buff[2] = (u32)size;
cmd_buff[3] = size >> 32;
break;
}
case FileCommand::SetSize:
{
u64 size = cmd_buff[1] | ((u64)cmd_buff[2] << 32);
LOG_TRACE(Service_FS, "SetSize %s %s size=%llu",
GetTypeName().c_str(), GetName().c_str(), size);
backend->SetSize(size);
break;
}
case FileCommand::Close:
{
LOG_TRACE(Service_FS, "Close %s %s", GetTypeName().c_str(), GetName().c_str());
Kernel::g_object_pool.Destroy<File>(GetHandle());
break;
}
// Unknown command...
default:
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return error;
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
class Directory : public Kernel::Session {
public:
std::string GetName() const override { return "Directory: " + path.DebugStr(); }
FileSys::Path path; ///< Path of the directory
std::unique_ptr<FileSys::Directory> backend; ///< File backend interface
ResultVal<bool> SyncRequest() override {
u32* cmd_buff = Kernel::GetCommandBuffer();
DirectoryCommand cmd = static_cast<DirectoryCommand>(cmd_buff[0]);
switch (cmd) {
// Read from directory...
case DirectoryCommand::Read:
{
u32 count = cmd_buff[1];
u32 address = cmd_buff[3];
auto entries = reinterpret_cast<FileSys::Entry*>(Memory::GetPointer(address));
LOG_TRACE(Service_FS, "Read %s %s: count=%d",
GetTypeName().c_str(), GetName().c_str(), count);
// Number of entries actually read
cmd_buff[2] = backend->Read(count, entries);
break;
}
case DirectoryCommand::Close:
{
LOG_TRACE(Service_FS, "Close %s %s", GetTypeName().c_str(), GetName().c_str());
Kernel::g_object_pool.Destroy<Directory>(GetHandle());
break;
}
// Unknown command...
default:
LOG_ERROR(Service_FS, "Unknown command=0x%08X!", cmd);
ResultCode error = UnimplementedFunction(ErrorModule::FS);
cmd_buff[1] = error.raw; // TODO(Link Mauve): use the correct error code for that.
return MakeResult<bool>(false);
}
cmd_buff[1] = 0; // No error
return MakeResult<bool>(false);
}
};
////////////////////////////////////////////////////////////////////////////////////////////////////
std::map<FileSys::Archive::IdCode, Handle> g_archive_map; ///< Map of file archives by IdCode
ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code) {
auto itr = g_archive_map.find(id_code);
if (itr == g_archive_map.end()) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
return MakeResult<Handle>(itr->second);
}
ResultCode CloseArchive(FileSys::Archive::IdCode 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
* @param archive Pointer to the archive to mount
*/
ResultCode MountArchive(Archive* archive) {
FileSys::Archive::IdCode id_code = archive->backend->GetIdCode();
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;
}
ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name) {
Archive* archive = new Archive;
Handle handle = Kernel::g_object_pool.Create(archive);
archive->name = name;
archive->backend = backend;
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) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
return MakeResult<Handle>(handle);
}
ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path) {
Archive* archive = Kernel::g_object_pool.GetFast<Archive>(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);
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;
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
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);
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);
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);
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;
} else {
// TODO: Implement renaming across archives
return UnimplementedFunction(ErrorModule::FS);
}
return ResultCode(ErrorDescription::NoData, ErrorModule::FS, // TODO: verify description
ErrorSummary::NothingHappened, ErrorLevel::Status);
}
/**
* Open a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @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) {
return InvalidHandle(ErrorModule::FS);
}
directory->path = path;
directory->backend = archive->backend->OpenDirectory(path);
if (!directory->backend) {
return ResultCode(ErrorDescription::NotFound, ErrorModule::FS,
ErrorSummary::NotFound, ErrorLevel::Permanent);
}
return MakeResult<Handle>(handle);
}
/// Initialize archives
void ArchiveInit() {
g_archive_map.clear();
// 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);
if (archive->Initialize())
CreateArchive(archive, "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();
}
} // namespace Kernel

107
src/core/hle/kernel/archive.h
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@ -1,107 +0,0 @@
// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#pragma once
#include "common/common_types.h"
#include "core/file_sys/archive.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/result.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Kernel namespace
namespace Kernel {
/**
* Opens an archive
* @param id_code IdCode of the archive to open
* @return Handle to the opened archive
*/
ResultVal<Handle> OpenArchive(FileSys::Archive::IdCode id_code);
/**
* Closes an archive
* @param id_code IdCode of the archive to open
*/
ResultCode CloseArchive(FileSys::Archive::IdCode id_code);
/**
* Creates an Archive
* @param backend File system backend interface to the archive
* @param name Name of Archive
*/
ResultCode CreateArchive(FileSys::Archive* backend, const std::string& name);
/**
* Open a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @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);
/**
* Delete a File from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the File inside of the Archive
* @return Whether deletion succeeded
*/
ResultCode DeleteFileFromArchive(Handle archive_handle, const FileSys::Path& path);
/**
* Rename a File between two Archives
* @param src_archive_handle Handle to the source Archive object
* @param src_path Path to the File inside of the source Archive
* @param dest_archive_handle Handle to the destination Archive object
* @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);
/**
* Delete a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @param path Path to the Directory inside of the Archive
* @return Whether deletion succeeded
*/
ResultCode DeleteDirectoryFromArchive(Handle archive_handle, const FileSys::Path& path);
/**
* Create a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @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);
/**
* Rename a Directory between two Archives
* @param src_archive_handle Handle to the source Archive object
* @param src_path Path to the Directory inside of the source Archive
* @param dest_archive_handle Handle to the destination Archive object
* @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);
/**
* Open a Directory from an Archive
* @param archive_handle Handle to an open Archive object
* @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);
/// Initialize archives
void ArchiveInit();
/// Shutdown archives
void ArchiveShutdown();
} // namespace FileSys

2
src/core/hle/kernel/kernel.cpp
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@ -9,7 +9,7 @@
#include "core/core.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/thread.h"
#include "core/hle/kernel/archive.h"
#include "core/hle/service/fs/archive.h"
namespace Kernel {