Request

Index Word	Description
0	Header code [0x00510080]
1	Parameter Size (capped to 0x300 or 0x1000 depending on different system version)
2	StartupArgumentType

The following is located 0x100-bytes after the beginning of the above command buffer:

Index Word	Description
0	(Parameter Size << 14) \| 2
1	void*, Parameter

Response

Index Word	Description
0	Header code
1	Result code
2	u8, Exists (0 = does not exist, 1 = exists)