Talk:LV2 Functions and Syscalls

Lv2 Syscall Services Usage

Documentation about syscalls with packet id

Syscall 621 (0x26D) Gamepad Ycon Interface

syscall(621,packet_id,r4,r5)

Packet ID	Usage
0	sys_gamepad_ycon_initialize ( 0, 0)
1	sys_gamepad_ycon_finalize ( 0, 0)
2	sys_gamepad_ycon_has_input_ownership ( inout[8](if==0->autofill), out[1])
3	sys_gamepad_ycon_enumerate_device ( 0, out[0x20])
4	sys_gamepad_ycon_get_device_info ( in[8], out[0x1C])
5	sys_gamepad_ycon_read_raw_report ( in[4], out[4])
6	sys_gamepad_ycon_write_raw_report ( in[0x3C], out[])
7	sys_gamepad_ycon_get_feature ( in[8], out[0x38?])
8	sys_gamepad_ycon_set_feature (in[6+x](4Bytes+1Byte+1Byte[contains size x]+xBytes),0)
9	sys_gamepad_ycon_is_gem ( 0,out[1])

Syscall 726 (0x2D6) Gelic Device Eurus Post Command

syscall(726,uint16_t cmd, uint8_t *cmdbuf, uint64_t cmdbuf_size)

Packet ID	Description

Syscall 861 (0x35D)

syscall(861,packet_id, r4,r5,r6,r7,r8,r9,r10)
Note: access to this Syscall requries 0x40 Root Control Flags, else 0x80010003

Packet ID	Usage
0	not implemented
1
2
3
4
5
6
7
8
9	not implemented
10	not implemented
11
12
13
14
15
16
17
18
19

Syscall 862 (0x35E) Virtual TRM Manager Interface

syscall(862,packet_id, r4,r5,r6,r7)
Note: access to this Syscall requries 0x40 Root Control Flags, else 0x80010003

Packet ID	Usage
0x2001
0x2002
0x2003
0x2004
0x2005
0x2006
0x2007	not implemented
0x2008	not implemented
0x2009	not implemented
0x200A
0x200B
0x200C
0x200D
0x200E	vtrm_decrypt_master(uint8[0x10],uint8[0x40]
0x200F	not implemented
0x2010	not implemented
0x2011	not implemented
0x2012
0x2013
0x2014
0x2015
0x2016
0x2017

Syscall 863 (0x35F) Update Manager Interface

syscall(863,packet_id, r4,r5,r6,r7,r8,r9)
Note: access to this Syscall requries 0x40 Root Control Flags, else 0x80010003

Packet ID	Usage
0x6001	update_mgr_update_package_tophalf( ,,,)
0x6002	update_manager_if::Inspect_Package(int package_type(1-9),sys_addr_tr * alloc_addr,size,r7=9(cex)/5(dex/tool),r8=out:uint64_t*)
0x6003	update_manager_if::Get_Package_Info(int package_type,out:uint64_t*)
0x6004	update_mgr_get_fix_instruction( )
0x6005	update_mgr_extract_package_tophalf( ,,,,)
0x6006	update_mgr_get_extract_package(,,,,,)
0x6007	not implemented
0x6008	not implemented
0x6009	update_manager_if::get_token_seed( out:uint8[size1],size1,out:uint8[size2],size2) size>=0x50
0x600A	update_manager_if::set_token(in:token[size],int size), size>=0x80
0x600B	update_manager_if::read_eprom(uint32 offset,out:uint8[1])
0x600C	update_manager_if::write_eprom(uint32 offset,uint8 value)
0x600D	update_mgr_get_status( ,,,,,)
0x600E	update_manager_if::allocate_buffer(size,out:sys_addr_t * alloc_addr)
0x600F	update_manager_if::release_buffer(in:sys_addr_t * alloc_addr)
0x6010	not implemented
0x6011	update_manager_if::get_applicable_version(1 ,out:uint8[0x20])
0x6012

Syscall 864 (0x360) Storage Manager Interface

syscall(864,packet_id, r4)
Note: access to this Syscall requries at least 0x20 Debug Control Flags, else 0x80010003

Packet ID	Description	Notes
0x5004	sys_ss_auth_bd(int)	cellSsDrvPs2DiscInsert(0x52)
0x5007	sys_ss_hw_disc_auth_emu(in/out:uint8[0x18])	use can be restricted to certain authentication id's
0x5008	sys_ss_hw_mc(in/out:uint8[0x38])	use can be restricted to certain authentication id's

Syscall 865 (0x361) Random Number Generator

syscall(865,packet_id, r4,r5)

Packet ID	Description	Notes
1	syscall(865,1, out[0x18], 0x18)	size is static usage with this packet_id requires either 0x40 Root Flags or [0x1B]=8 and a certain authentication id
2	sys_get_random_number(out[size], size)

Syscall 866 (0x362) Secure RTC Manager Interface

syscall(866,packet_id, r4, r5, r6)

Packet ID	Description	Notes
0x3001	secure_rtc_set_rtc(r4,r5)	requries 0x40 root control flags
0x3002	secure_rtc_get_time(r4,r5,r6)	might be restricted to certain authentication id's
0x3003	secure_rtc_set_time(r4,r5)	requries 0x40 root control flags

Syscall 867 (0x363) AIM Manager Interface

syscall(867,packet_id, r4)
Note: access to this Syscall requries 0x40 Root Control Flags, else 0x80010003

Packet ID	Description
0x19002	cellSsAimGetDeviceType(out:uint8[0x10])
0x19003	cellSsAimGetDeviceId(out:uint8[0x10])
0x19004	cellSsAimGetPsCode(out:uint8[8])
0x19005	cellSsAimGetOpenPsId(out:uint8[0x10])
0x19006	syscall(867,0x19006)

Syscall 868 (0x364) Indi Info Manager Interface

syscall(868,packet_id, r4,r5,r6,r7)
Note: access to this Syscall requries 0x40 Root Control Flags, but allows 0x20 Debug Flags and certain authentication id's for first packet_id

Packet ID	Description
0x17001
0x17002
0x17003
0x17004
0x17005
0x17006
0x17007
0x17008
0x17009
0x1700A
0x1700B
0x1700C
0x1700D
0x1700E
0x1700F
0x17010
0x17011
0x17012
0x17013
0x17014
0x17015
0x17016
0x17017

Syscall 869 (0x365) RTC? Manager Interface

syscall(869,packet_id, r4)
Note: access to this Syscall requries 0x40 Root Control Flags and possibly restricted to certain authentication id's, else 0x80010003

Packet ID	Description
0x22001	syscall(869,0x22001, out:uint8[0x80])
0x22002	syscall(869,0x22002, out:uint8[0x690])
0x22003	syscall(869,0x22003, in:uint8[8])
0x22004	syscall(869,0x22004, int)

Syscall 871 (0x367) SS Access Control Engine

syscall(871,packet_id, r4)

Packet ID	Usage	Notes
1	syscall(871,1,sys_pid_t id,out:uint8[8])	this packet_id requires 0x20 Debug Control Flags or [0x1B]=8 and a certain authentication id, else 0x80010003
2	syscall(871,2,out:uint8[8])	returns authentication id?
3	syscall(871,3,sys_pid_t id)	this packet_id requries 0x20 Debug Control Flags, else 0x80010003, but returns 0x8001009

Syscall 876 (0x36C) Disc Access Control

syscall(876,packet_id, r4)
Note: accessing this Syscall is restricted to certain authentication id's

Packet ID	Description
0x20000	sys_get_disc_access_control(out:uint8[4])
0x20001	sys_set_disc_access_control(0 / 1)

Syscall 877 (0x36D) User Token Interface

syscall(877,packet_id, r4,size)
Note: access to this Syscall requries 0x40 Root Control Flags, else 0x80010003

Packet ID	Description
0x25003	sys_ss_utoken_decrypt(uint8[0xC50], 0xC50)
0x25004	sys_ss_utoken_get?(out:uint8[0xC50], 0xC50)
0x25005	sys_ss_utoken_encrypt(uint8[0xC50], 0xC50)

Syscall 878 (0x36E) Ad Sign

syscall(878,packet_id, r4,r5)
Note: access to this Syscall is restricted to certain authentication id's

Packet ID	Description
0x26001	sys_ss_ad_sign(in:uint8[0x14],out:uint[0x80])

Syscall 879 (0x36F) Media ID

syscall(862,packet_id, r4)
Note: access to this Syscall is restricted to certain authentication id's
Note2: it uses Storage Service Id 0x5007, 0x4B

Packet ID	Description
0x10001	sysBdMediaId(out:uint8[0x10])

not on the wiki yet

these lv2 syscalls are present, but neither ordinal nor branches are known yet

  sys_usbbtaudio_start_recording_ex
  sys_lwcond_attribute_name_set
  sys_lwmutex_attribute_name_set
  sys_event_flag_attribute_name_set
  sys_semaphore_attribute_name_set
  sys_cond_attribute_name_set
  sys_mutex_attribute_name_set
  sys_raw_spu_mmio_read_ls
  sys_raw_spu_mmio_write_ls
  sys_raw_spu_mmio_read
  sys_raw_spu_mmio_write
  sys_event_queue_attribute_name_set
          
  sys_lwcond_signal
  sys_lwcond_signal_all
  sys_lwcond_signal_to
  sys_lwcond_wait
  sys_spu_elf_get_segments
  sys_raw_spu_image_load
  sys_mmapper_allocate_memory
  sys_ppu_thread_unregister_atexit
  sys_ppu_thread_once
  sys_prx_exitspawn_with_level
  sys_process_at_Exitspawn
  sys_process_atexitspawn
  sys_game_process_exitspawn2
  sys_process_is_stack

  debug syscalls
  sys_dbg_set_stacksize_ppu_exception_handler
  sys_dbg_get_spu_thread_group_ids
  sys_dbg_get_ppu_thread_ids
  sys_dbg_get_spu_thread_ids
  sys_dbg_register_ppu_exception_handler
  sys_dbg_mat_set_condition
  sys_dbg_read_spu_thread_context2
  sys_dbg_enable_floating_point_enabled_exception
  sys_dbg_get_event_queue_information
  sys_dbg_get_spu_thread_name
  sys_dbg_get_ppu_thread_name
  sys_dbg_signal_to_ppu_exception_handler
  sys_dbg_get_mutex_information
  sys_dbg_vm_get_page_information
  sys_dbg_mat_get_condition
  sys_dbg_get_cond_information
  sys_dbg_get_ppu_thread_status
  sys_dbg_get_lwcond_information
  sys_dbg_get_rwlock_information
  sys_dbg_get_spu_thread_group_status
  sys_dbg_get_semaphore_information
  sys_dbg_set_mask_to_ppu_exception_handler
  sys_dbg_get_coredump_params
  sys_dbg_get_address_from_dabr
  sys_dbg_get_spu_thread_group_name
  sys_dbg_finalize_ppu_exception_handler
  sys_dbg_read_spu_thread_context
  sys_dbg_initialize_ppu_exception_handler
  sys_dbg_read_ppu_thread_context
  sys_dbg_unregister_ppu_exception_handler
  sys_dbg_get_lwmutex_information
  sys_dbg_signal_to_coredump_handler
  sys_dbg_set_address_to_dabr
  sys_dbg_get_event_flag_information
  sys_dbg_disable_floating_point_enabled_exception

Custom Syscalls

This is a fself for testing that when started in 4.21 DEX CFW will add lv2_alloc as Syscall 32(Replaces: UNUSED_SYSCALL). It will then try to use it and printf the received pointer. Please test and report back. http://rghost.net/48803322

firmware version offsets

FW version	Offset	Value	Notes
3.72 Retail		0x9150
3.70 Retail		0x9088
3.66 Retail		0x8ef8
3.61 Retail		0x8d04
3.60 Retail		0x8ca0
3.56 Retail		0x8b10
3.55 Retail	0x3329b8	0x8aac
3.55 DEX
3.50 Retail		0x88b8
3.42 Retail		0x8598
3.41 Retail	0x2d7580	0x8534
3.41 DEX
3.41 KIOSK		0x8534
3.40 Retail		0x84d0
3.30 Retail		0x80e8
3.21 Retail		0x7d64
3.15 Retail	0x2d6c00	0x7b0c	offset seems to be 6 further @ 0x002d6c06 (see below)
3.10 Retail		0x7918
3.01 Retail		0x7594
2.85 Retail		0x6f54
2.76 Retail		0x6bd0
2.70 Retail		0x6978
2.60 Retail		0x6590
2.53 Retail		0x62d4
2.43 Retail		0x5eec
1.02 Retail		0x27d8

Note: the value is decimal '35500', '34100' and '31500' in hex.

Example

Example from 3.15 with 3.60 spoof:

   Offset(h) 00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F
   
   002D6C00  00 00 00 00 00 00 8C A0 00 00 00 00 00 00 00 00  ......Œ ........
                               ^^ ^^
                         dec: 36000 spoofed