suyu/src/core/hle/service/fs_user.cpp

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// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include "common/common.h"
#include "fs_user.h"
#include "common/string_util.h"
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#include "core/settings.h"
#include "core/hle/kernel/archive.h"
////////////////////////////////////////////////////////////////////////////////////////////////////
// Namespace FS_User
namespace FS_User {
// We currently return 0 for success and -1 for failure in cmd_buff[1]. -1 was chosen because it
// puts all the sections of the http://3dbrew.org/wiki/Error_codes to something non-zero, to make
// sure we don't mislead the application into thinking something worked.
void Initialize(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
// TODO(Link Mauve): check the behavior when cmd_buff[1] isn't 32, as per
// http://3dbrew.org/wiki/FS:Initialize#Request
cmd_buff[1] = 0;
DEBUG_LOG(KERNEL, "called");
}
void OpenFile(Service::Interface* self) {
u32* cmd_buff = Service::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]);
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 filename_size = cmd_buff[5];
FileSys::Mode mode; mode.hex = cmd_buff[6];
u32 attributes = cmd_buff[7]; // TODO(Link Mauve): do something with those attributes.
u32 filename_ptr = cmd_buff[9];
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
std::string file_string;
switch (file_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d mode=%d attrs=%d data=%s",
filename_type, filename_size, mode, attributes, file_string.c_str());
Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_string, mode);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_string.c_str());
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
}
void OpenFileDirectly(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
auto archive_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[2]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
u32 archivename_size = cmd_buff[4];
auto filename_type = static_cast<FileSys::LowPathType>(cmd_buff[5]);
u32 filename_size = cmd_buff[6];
FileSys::Mode mode; mode.hex = cmd_buff[7];
u32 attributes = cmd_buff[8]; // TODO(Link Mauve): do something with those attributes.
u32 archivename_ptr = cmd_buff[10];
u32 filename_ptr = cmd_buff[12];
DEBUG_LOG(KERNEL, "archive_type=%d archive_size=%d file_type=%d file_size=%d file_mode=%d file_attrs=%d",
archivename_type, archivename_size, filename_type, filename_size, mode, attributes);
if (archivename_type != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
return;
}
// TODO(Link Mauve): check if we should even get a handle for the archive, and don't leak it.
Handle archive_handle = Kernel::OpenArchive(archive_id);
if (archive_handle) {
cmd_buff[1] = 0;
// cmd_buff[2] isn't used according to 3dmoo's implementation.
cmd_buff[3] = archive_handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for archive");
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
return;
}
FileSys::Path file_path(filename_type, filename_size, filename_ptr);
std::string file_string;
switch (file_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
file_string = file_path.AsString();
break;
default:
WARN_LOG(KERNEL, "file LowPath type is currently unsupported; returning archive handle instead");
return;
}
Handle handle = Kernel::OpenFileFromArchive(archive_handle, file_string, mode);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for file %s", file_string.c_str());
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
}
/*
* FS_User::CreateDirectory service function
* Inputs:
* 2 : Archive handle lower word
* 3 : Archive handle upper word
* 4 : Directory path string type
* 5 : Directory path string size
* 8 : Directory path string data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
void CreateDirectory(Service::Interface* self) {
u32* cmd_buff = Service::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]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[4]);
u32 dirname_size = cmd_buff[5];
u32 dirname_ptr = cmd_buff[8];
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
cmd_buff[1] = Kernel::CreateDirectoryFromArchive(archive_handle, dir_string);
DEBUG_LOG(KERNEL, "called");
}
void OpenDirectory(Service::Interface* self) {
u32* cmd_buff = Service::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]);
auto dirname_type = static_cast<FileSys::LowPathType>(cmd_buff[3]);
u32 dirname_size = cmd_buff[4];
u32 dirname_ptr = cmd_buff[6];
FileSys::Path dir_path(dirname_type, dirname_size, dirname_ptr);
std::string dir_string;
switch (dir_path.GetType()) {
case FileSys::Char:
case FileSys::Wchar:
dir_string = dir_path.AsString();
break;
default:
cmd_buff[1] = -1;
return;
}
DEBUG_LOG(KERNEL, "type=%d size=%d data=%s", dirname_type, dirname_size, dir_string.c_str());
Handle handle = Kernel::OpenDirectoryFromArchive(archive_handle, dir_string);
if (handle) {
cmd_buff[1] = 0;
cmd_buff[3] = handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for directory %s", dir_string.c_str());
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
}
void OpenArchive(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
auto archive_id = static_cast<FileSys::Archive::IdCode>(cmd_buff[1]);
auto archivename_type = static_cast<FileSys::LowPathType>(cmd_buff[2]);
u32 archivename_size = cmd_buff[3];
u32 archivename_ptr = cmd_buff[5];
DEBUG_LOG(KERNEL, "type=%d size=%d", archivename_type, archivename_size);
if (archivename_type != FileSys::Empty) {
ERROR_LOG(KERNEL, "archive LowPath type other than empty is currently unsupported");
cmd_buff[1] = -1;
return;
}
Handle handle = Kernel::OpenArchive(archive_id);
if (handle) {
cmd_buff[1] = 0;
// cmd_buff[2] isn't used according to 3dmoo's implementation.
cmd_buff[3] = handle;
} else {
ERROR_LOG(KERNEL, "failed to get a handle for archive");
// TODO(Link Mauve): check for the actual error values, this one was just chosen arbitrarily.
cmd_buff[1] = -1;
}
DEBUG_LOG(KERNEL, "called");
}
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/*
* FS_User::IsSdmcDetected service function
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
* 2 : Whether the Sdmc could be detected
*/
void IsSdmcDetected(Service::Interface* self) {
u32* cmd_buff = Service::GetCommandBuffer();
cmd_buff[1] = 0;
cmd_buff[2] = Settings::values.use_virtual_sd ? 1 : 0;
DEBUG_LOG(KERNEL, "called");
}
const Interface::FunctionInfo FunctionTable[] = {
{0x000100C6, nullptr, "Dummy1"},
{0x040100C4, nullptr, "Control"},
{0x08010002, Initialize, "Initialize"},
{0x080201C2, OpenFile, "OpenFile"},
{0x08030204, OpenFileDirectly, "OpenFileDirectly"},
{0x08040142, nullptr, "DeleteFile"},
{0x08050244, nullptr, "RenameFile"},
{0x08060142, nullptr, "DeleteDirectory"},
{0x08070142, nullptr, "DeleteDirectoryRecursively"},
{0x08080202, nullptr, "CreateFile"},
{0x08090182, CreateDirectory, "CreateDirectory"},
{0x080A0244, nullptr, "RenameDirectory"},
{0x080B0102, OpenDirectory, "OpenDirectory"},
{0x080C00C2, OpenArchive, "OpenArchive"},
{0x080D0144, nullptr, "ControlArchive"},
{0x080E0080, nullptr, "CloseArchive"},
{0x080F0180, nullptr, "FormatThisUserSaveData"},
{0x08100200, nullptr, "CreateSystemSaveData"},
{0x08110040, nullptr, "DeleteSystemSaveData"},
{0x08120080, nullptr, "GetFreeBytes"},
{0x08130000, nullptr, "GetCardType"},
{0x08140000, nullptr, "GetSdmcArchiveResource"},
{0x08150000, nullptr, "GetNandArchiveResource"},
{0x08160000, nullptr, "GetSdmcFatfsErro"},
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{0x08170000, IsSdmcDetected, "IsSdmcDetected"},
{0x08180000, nullptr, "IsSdmcWritable"},
{0x08190042, nullptr, "GetSdmcCid"},
{0x081A0042, nullptr, "GetNandCid"},
{0x081B0000, nullptr, "GetSdmcSpeedInfo"},
{0x081C0000, nullptr, "GetNandSpeedInfo"},
{0x081D0042, nullptr, "GetSdmcLog"},
{0x081E0042, nullptr, "GetNandLog"},
{0x081F0000, nullptr, "ClearSdmcLog"},
{0x08200000, nullptr, "ClearNandLog"},
{0x08210000, nullptr, "CardSlotIsInserted"},
{0x08220000, nullptr, "CardSlotPowerOn"},
{0x08230000, nullptr, "CardSlotPowerOff"},
{0x08240000, nullptr, "CardSlotGetCardIFPowerStatus"},
{0x08250040, nullptr, "CardNorDirectCommand"},
{0x08260080, nullptr, "CardNorDirectCommandWithAddress"},
{0x08270082, nullptr, "CardNorDirectRead"},
{0x082800C2, nullptr, "CardNorDirectReadWithAddress"},
{0x08290082, nullptr, "CardNorDirectWrite"},
{0x082A00C2, nullptr, "CardNorDirectWriteWithAddress"},
{0x082B00C2, nullptr, "CardNorDirectRead_4xIO"},
{0x082C0082, nullptr, "CardNorDirectCpuWriteWithoutVerify"},
{0x082D0040, nullptr, "CardNorDirectSectorEraseWithoutVerify"},
{0x082E0040, nullptr, "GetProductInfo"},
{0x082F0040, nullptr, "GetProgramLaunchInfo"},
{0x08300182, nullptr, "CreateExtSaveData"},
{0x08310180, nullptr, "CreateSharedExtSaveData"},
{0x08320102, nullptr, "ReadExtSaveDataIcon"},
{0x08330082, nullptr, "EnumerateExtSaveData"},
{0x08340082, nullptr, "EnumerateSharedExtSaveData"},
{0x08350080, nullptr, "DeleteExtSaveData"},
{0x08360080, nullptr, "DeleteSharedExtSaveData"},
{0x08370040, nullptr, "SetCardSpiBaudRate"},
{0x08380040, nullptr, "SetCardSpiBusMode"},
{0x08390000, nullptr, "SendInitializeInfoTo9"},
{0x083A0100, nullptr, "GetSpecialContentIndex"},
{0x083B00C2, nullptr, "GetLegacyRomHeader"},
{0x083C00C2, nullptr, "GetLegacyBannerData"},
{0x083D0100, nullptr, "CheckAuthorityToAccessExtSaveData"},
{0x083E00C2, nullptr, "QueryTotalQuotaSize"},
{0x083F00C0, nullptr, "GetExtDataBlockSize"},
{0x08400040, nullptr, "AbnegateAccessRight"},
{0x08410000, nullptr, "DeleteSdmcRoot"},
{0x08420040, nullptr, "DeleteAllExtSaveDataOnNand"},
{0x08430000, nullptr, "InitializeCtrFileSystem"},
{0x08440000, nullptr, "CreateSeed"},
{0x084500C2, nullptr, "GetFormatInfo"},
{0x08460102, nullptr, "GetLegacyRomHeader2"},
{0x08470180, nullptr, "FormatCtrCardUserSaveData"},
{0x08480042, nullptr, "GetSdmcCtrRootPath"},
{0x08490040, nullptr, "GetArchiveResource"},
{0x084A0002, nullptr, "ExportIntegrityVerificationSeed"},
{0x084B0002, nullptr, "ImportIntegrityVerificationSeed"},
{0x084C0242, nullptr, "FormatSaveData"},
{0x084D0102, nullptr, "GetLegacySubBannerData"},
{0x084E0342, nullptr, "UpdateSha256Context"},
{0x084F0102, nullptr, "ReadSpecialFile"},
{0x08500040, nullptr, "GetSpecialFileSize"},
{0x08580000, nullptr, "GetMovableSedHashedKeyYRandomData"},
{0x08610042, nullptr, "InitializeWithSdkVersion"},
{0x08620040, nullptr, "SetPriority"},
{0x08630000, nullptr, "GetPriority"},
};
////////////////////////////////////////////////////////////////////////////////////////////////////
// Interface class
Interface::Interface() {
Register(FunctionTable, ARRAY_SIZE(FunctionTable));
}
Interface::~Interface() {
}
} // namespace