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authorSebastian Valle <subv2112@gmail.com>2016-07-05 23:45:40 +0200
committerGitHub <noreply@github.com>2016-07-05 23:45:40 +0200
commitff2d1a2b748283a7a7c24bed652e311479a108ef (patch)
tree52f6020abf274509e188282b0da24675389adbe1
parentMerge pull request #1850 from mailwl/erreula (diff)
parentHLE/FS: Document some command parameters and implemented command 0x08560240 (CreateLegacySystemSaveData) (diff)
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-rw-r--r--src/core/hle/service/fs/fs_user.cpp53
1 files changed, 42 insertions, 11 deletions
diff --git a/src/core/hle/service/fs/fs_user.cpp b/src/core/hle/service/fs/fs_user.cpp
index 7df7da5a4..937868747 100644
--- a/src/core/hle/service/fs/fs_user.cpp
+++ b/src/core/hle/service/fs/fs_user.cpp
@@ -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];
@@ -672,6 +671,38 @@ static void CreateSystemSaveData(Service::Interface* self) {
}
/**
+ * 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+ * This function appears to be obsolete and seems to have been replaced by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:
* 0 : 0x08610042
@@ -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"},