octo/citra
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

HLE/FS: Document some command parameters and implemented command 0x08560240 (CreateLegacySystemSaveData)

Browse Source
This commit is contained in:
Subv 2016-06-18 21:48:33 -05:00
parent 78f2b85fe6
commit 8752f07e8e
1 changed files with 42 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

53
src/core/hle/service/fs/fs_user.cpp
View File

@ -645,20 +645,19 @@ static void DeleteSystemSaveData(Service::Interface* self) {
* FS_User::CreateSystemSaveData service function.
* Inputs:
* 0 : 0x08560240
* 1 : High word of the SystemSaveData id to create
* 2 : Low word of the SystemSaveData id to create
* 3 : Unknown
* 4 : Unknown
* 5 : Unknown
* 6 : Unknown
* 7 : Unknown
* 8 : Unknown
* 9 : Unknown (Memory address)
* 1 : u8 MediaType of the system save data
* 2 : SystemSaveData id to create
* 3 : Total size
* 4 : Block size
* 5 : Number of directories
* 6 : Number of files
* 7 : Directory bucket count
* 8 : File bucket count
* 9 : u8 Whether to duplicate data or not
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void CreateSystemSaveData(Service::Interface* self) {
// TODO(Subv): Figure out the other parameters.
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 savedata_high = cmd_buff[1];
u32 savedata_low = cmd_buff[2];
@ -671,6 +670,38 @@ static void CreateSystemSaveData(Service::Interface* self) {
cmd_buff[1] = CreateSystemSaveData(savedata_high, savedata_low).raw;
}
/**
* FS_User::CreateLegacySystemSaveData service function.
* This function appears to be obsolete and seems to have been replaced by
* command 0x08560240 (CreateSystemSaveData).
*
* Inputs:
* 0 : 0x08100200
* 1 : SystemSaveData id to create
* 2 : Total size
* 3 : Block size
* 4 : Number of directories
* 5 : Number of files
* 6 : Directory bucket count
* 7 : File bucket count
* 8 : u8 Duplicate data
* Outputs:
* 1 : Result of function, 0 on success, otherwise error code
*/
static void CreateLegacySystemSaveData(Service::Interface* self) {
u32* cmd_buff = Kernel::GetCommandBuffer();
u32 savedata_id = cmd_buff[1];
LOG_WARNING(Service_FS, "(STUBBED) savedata_id=%08X cmd_buff[3]=%08X "
"cmd_buff[4]=%08X cmd_buff[5]=%08X cmd_buff[6]=%08X cmd_buff[7]=%08X cmd_buff[8]=%08X "
"cmd_buff[9]=%08X", savedata_id, cmd_buff[3], cmd_buff[4], cmd_buff[5],
cmd_buff[6], cmd_buff[7], cmd_buff[8], cmd_buff[9]);
cmd_buff[0] = IPC::MakeHeader(0x810, 0x1, 0);
// With this command, the SystemSaveData always has save_high = 0 (Always created in the NAND)
cmd_buff[1] = CreateSystemSaveData(0, savedata_id).raw;
}
/**
* FS_User::InitializeWithSdkVersion service function.
* Inputs:
@ -820,7 +851,7 @@ const Interface::FunctionInfo FunctionTable[] = {
{0x080D0144, nullptr, "ControlArchive"},
{0x080E0080, CloseArchive, "CloseArchive"},
{0x080F0180, FormatThisUserSaveData, "FormatThisUserSaveData"},
{0x08100200, nullptr, "CreateSystemSaveData"},
{0x08100200, CreateLegacySystemSaveData, "CreateLegacySystemSaveData"},
{0x08110040, nullptr, "DeleteSystemSaveData"},
{0x08120080, GetFreeBytes, "GetFreeBytes"},
{0x08130000, nullptr, "GetCardType"},