Structure

These have been redesigned from the 3DS so that they fit within a Aarch64 MOV instruction immediate most of the time (without requiring the additional MOVK).

Bits	Field
8-0	Module
21-9	Description

Modules

Value	Name
1	Kernel
2	FS
9	RO service
10	IPC
11	IPC
16	NS
21	SM
22	RO user
124	Account
126	Mii
203	HID

Error codes

Value	Description	Description
0xCA01	101	Invalid size (not page-aligned).
0xCC01	102	Invalid address (not page-aligned).
0xD201	105	Handle-table full.
0xD401	106	Invalid memory state.
0xD801	108	When trying to set executable permission on memory.
0xDC01	110	Stack address outside allowed range
0xE001	112	Invalid thread priority.
0xE201	113	Invalid processor id.
0xE401	114	Invalid handle.
0xE601	115	Syscall copy from user failed.
0xEA01	117	Time out? When you give 0 handles to svcWaitSynchronizationN.
0xEE01	119	When you give too many handles to svcWaitSynchronizationN.
0xFA01	125	Wrong memory permission?
0x10601	131	Port max sessions exceeded
0x10801	132	Out of memory
0x7D402	1002	Title-id not found
0x6609	51	Invalid memory state/permission
0x6A09	53	Invalid Nrr
0xA209	81	Unaligned Nrr address
0xA409	82	Bad Nrr size
0xAA09	85	Bad Nrr address
0x1A80A	212	Bad magic (expected 'SFCO')
0x20B	1	Size too big to fit to marshal.
0x11A0B	141	Went past maximum during marshalling.
0x0C15	6	Invalid name (all zeroes)
0x1015	8	Permission denied
0x816	4	Bad Nro magic
0xC16	6	Bad Nrr magic