yet another PlayStationPortable Documentation
(not quite worth printing - yet)

Contents

• 1 Introductional Rant
• 1.1 Things that are in this document
• 1.2 Things that are not in this document
• 1.3 Conventions


• 2 System Overview
• 2.1 Playstation Portable Main Unit
• 2.1.1 Modells/Revisions
• 2.2 Game Specifications
• 2.3 Supplied accessories
• 2.4 Separately Sold Accessories
• 2.4.1 Memory Stick Duo (PSP-M32)
• 2.4.2 AC adaptor (PSP-100)
• 2.4.3 Battery pack (PSP-110)
• 2.4.4 Headphone with remote control (PSP-140(W))
• 2.4.5 Soft case and hand strap (PSP-170(B))
• 2.4.6 USB microphone (PSP-240(X))
• 2.4.7 GPS receiver
• 2.4.8 Camera
• 2.5 Development Hardware (DEM-100)


• 3 Hardware Overview
• 3.1 Mainboard
• 3.1.1 Revisions
• 3.1.2 Semiconductors
• 3.1.3 other
• 3.2 WIFI Daughterboard
• 3.2.1 Semiconductors
• 3.3 Headphones/Remote Control
• 3.4 Memory Stick
• 3.5 Talkman Microphone


• 4 CPU Overview
• 4.1 Registers
• 4.2 Debug Registers
• 4.3 COP0 (System Control)
• 4.3.1 Status Registers (mfc/mtc)
• 4.3.2 Control Registers (cfc/ctc)
• 4.4 COP1 (FPU)
• 4.4.1 Status Registers (mfc/mtc)
• 4.4.2 Control Registers (cfc/ctc)
• 4.5 COP2 (VFPU)
• 4.5.1 Registers
• 4.5.2 Extra Registers
• 4.6 Instruction Format
• 4.7 MIPS Instructions
• 4.7.1 lw
• 4.7.2 sw
• 4.7.3 addiu
• 4.8 Allegrex Instructions
• 4.8.1 halt
• 4.8.2 mfic / mtic
• 4.9 VFPU Instructions
• 4.9.1 lv
• 4.9.2 sv
• 4.9.3 vzero
• 4.9.4 vone
• 4.9.5 vmzero
• 4.9.6 vmidt
• 4.9.7 vmmul
• 4.9.8 vrcp
• 4.9.9 vexp2
• 4.9.10 vlog2
• 4.9.11 vsqrt
• 4.9.12 vrsq
• 4.9.13 vsin
• 4.9.14 vcos
• 4.9.15 vasin
• 4.9.16 vnrcp
• 4.9.17 vnsin
• 4.9.18 vrexp2
• 4.9.19 vi2uc
• 4.9.20 vi2s
• 4.9.21 vcst
• 4.9.22 vf2in
• 4.9.23 vi2f
• 4.9.24 vadd
• 4.9.25 vsub
• 4.9.26 vdiv
• 4.9.27 vmul
• 4.9.28 vdot
• 4.9.29 vhdp
• 4.9.30 vidt
• 4.9.31 vabs
• 4.9.32 vneg
• 4.9.33 vsgn
• 4.9.34 vmin
• 4.9.35 vmax
• 4.9.36 vtfm
• 4.9.37 vhtfm
• 4.10 Caches
• 4.10.1 Cache structure and operation
• 4.10.2 Cache Coherency
• 4.10.3 The Uncached Address Space
• 4.10.4 Cache Management Functions


• 5 Media Engine
• 5.1 Overview
• 5.2 Memory Map
• 5.2.1 physical Memory
• 5.2.2 Ram Usage
• 5.3 COP0
• 5.3.1 Status registers (mfc/mtc)
• 5.3.2 Control Registers (cfc/ctc)
• 5.4 COP1 (FPU)
• 5.4.1 Status Registers (mfc/mtc)
• 5.4.2 Control Registers (cfc/ctc)


• 6 VME
• 6.1 Overview


• 7 Memory Map
• 7.1 Segments
• 7.2 physical Memory
• 7.3 Ram usage
• 7.3.1 Kernel
• 7.3.2 Userspace
• 7.4 Hardware


• 8 Hardware Registers
• 8.1 ? (threadman)
• 8.2 System Config
• 8.3 ? (interruptman)
• 8.4 Profiler
• 8.5 ME Control
• 8.6 NAND Flash
• 8.6.1 Command Set
• 8.6.2 Read ID
• 8.6.3 read from NAND
• 8.6.4 write to NAND
• 8.7 KIRK - Decryption Engine
• 8.7.1 Keys
• 8.8 GPIO
• 8.9 UART4
• 8.10 UART3 Headphone/Remote SIO


• 9 Exception Processing
• 9.1 Exception Cause
• 9.2 Reset Vector (HW,SW,NMI)
• 9.2.1 ME Reset Handler
• 9.3 EBASE Vector (IRQ,Syscall)
• 9.4 Error Handler
• 9.5 Exception Handler
• 9.5.1 error
• 9.5.2 interrupt
• 9.5.3 syscall
• 9.6 Debug Exception Vectors
• 9.6.1 Debug Handler


• 10 Video Processing
• 10.1 Overview
• 10.2 VRAM Mirrors
• 10.2.1 VRAM
• 10.2.2 VRAM +2Mib
• 10.2.3 VRAM +4Mib
• 10.2.4 VRAM +6Mib


• 11 3D Graphics Processing
• 11.1 GE Command Format
• 11.2 GE Floats
• 11.3 Pointers
• 11.4 Enabling Registers
• 11.5 GE Command List
• 11.5.1 VADDR
• 11.5.2 IADDR
• 11.5.3 PRIM
• 11.5.4 BEZIER
• 11.5.5 SPLINE
• 11.5.6 BBOX
• 11.5.7 JUMP
• 11.5.8 BJUMP
• 11.5.9 CALL
• 11.5.10 RET
• 11.5.11 END
• 11.5.12 SIGNAL
• 11.5.13 FINISH
• 11.5.14 BASE
• 11.5.15 VTYPE
• 11.5.16 REGION1
• 11.5.17 REGION2
• 11.5.18 BOFS
• 11.5.19 BONE
• 11.5.20 MW0
• 11.5.21 MW1
• 11.5.22 MW2
• 11.5.23 MW3
• 11.5.24 MW4
• 11.5.25 MW5
• 11.5.26 MW6
• 11.5.27 MW7
• 11.5.28 PSUB
• 11.5.29 PPRIM
• 11.5.30 PFACE
• 11.5.31 WORLD
• 11.5.32 VIEW
• 11.5.33 PROJ
• 11.5.34 TMA
• 11.5.35 XSCALE
• 11.5.36 YSCALE
• 11.5.37 ZSCALE
• 11.5.38 XPOS
• 11.5.39 YPOS
• 11.5.40 ZPOS
• 11.5.41 USCALE
• 11.5.42 VSCALE
• 11.5.43 UOFFSET
• 11.5.44 VOFFSET
• 11.5.45 OFFSETX
• 11.5.46 OFFSETY
• 11.5.47 SHADE
• 11.5.48 CMAT
• 11.5.49 EMC
• 11.5.50 AMC
• 11.5.51 DMC
• 11.5.52 SMC
• 11.5.53 AMA
• 11.5.54 SPOW
• 11.5.55 ALC
• 11.5.56 ALA
• 11.5.57 LMODE
• 11.5.58 LT0
• 11.5.59 LT1
• 11.5.60 LT2
• 11.5.61 LT3
• 11.5.62 LXP0
• 11.5.63 LYP0
• 11.5.64 LZP0
• 11.5.65 LXP1
• 11.5.66 LYP1
• 11.5.67 LZP1
• 11.5.68 LXP2
• 11.5.69 LYP2
• 11.5.70 LZP2
• 11.5.71 LXP3
• 11.5.72 LYP3
• 11.5.73 LZP3
• 11.5.74 LXD0
• 11.5.75 LYD0
• 11.5.76 LZD0
• 11.5.77 LXD1
• 11.5.78 LYD1
• 11.5.79 LZD1
• 11.5.80 LXD2
• 11.5.81 LYD2
• 11.5.82 LZD2
• 11.5.83 LXD3
• 11.5.84 LYD3
• 11.5.85 LZD3
• 11.5.86 LCA0
• 11.5.87 LLA0
• 11.5.88 LQA0
• 11.5.89 LCA1
• 11.5.90 LLA1
• 11.5.91 LQA1
• 11.5.92 LCA2
• 11.5.93 LLA2
• 11.5.94 LQA2
• 11.5.95 LCA3
• 11.5.96 LLA3
• 11.5.97 LQA3
• 11.5.98 ???
• 11.5.99 ???
• 11.5.100 ???
• 11.5.101 ???
• 11.5.102 ???
• 11.5.103 ???
• 11.5.104 ???
• 11.5.105 ???
• 11.5.106 ALC0
• 11.5.107 DLC0
• 11.5.108 SLC0
• 11.5.109 ALC1
• 11.5.110 DLC1
• 11.5.111 SLC1
• 11.5.112 ALC2
• 11.5.113 DLC2
• 11.5.114 SLC2
• 11.5.115 ALC3
• 11.5.116 DLC3
• 11.5.117 SLC3
• 11.5.118 FFACE
• 11.5.119 FBP
• 11.5.120 FBW
• 11.5.121 ZBP
• 11.5.122 ZBW
• 11.5.123 TBP0
• 11.5.124 TBP1
• 11.5.125 TBP2
• 11.5.126 TBP3
• 11.5.127 TBP4
• 11.5.128 TBP5
• 11.5.129 TBP6
• 11.5.130 TBP7
• 11.5.131 TBW0
• 11.5.132 TBW1
• 11.5.133 TBW2
• 11.5.134 TBW3
• 11.5.135 TBW4
• 11.5.136 TBW5
• 11.5.137 TBW6
• 11.5.138 TBW7
• 11.5.139 CBP
• 11.5.140 CBPH
• 11.5.141 TRXSBP
• 11.5.142 TRXSBW
• 11.5.143 TRXDBP
• 11.5.144 TRXDBW
• 11.5.145 TSIZE0
• 11.5.146 TSIZE1
• 11.5.147 TSIZE2
• 11.5.148 TSIZE3
• 11.5.149 TSIZE4
• 11.5.150 TSIZE5
• 11.5.151 TSIZE6
• 11.5.152 TSIZE7
• 11.5.153 TMAP
• 11.5.154 ???
• 11.5.155 TMODE
• 11.5.156 TPSM
• 11.5.157 CLOAD
• 11.5.158 CMODE
• 11.5.159 TFLT
• 11.5.160 TWRAP
• 11.5.161 TBIAS
• 11.5.162 TFUNC
• 11.5.163 TEC
• 11.5.164 TFLUSH
• 11.5.165 TSYNC
• 11.5.166 FDIST
• 11.5.167 FCOL
• 11.5.168 TSLOPE
• 11.5.169 PSM
• 11.5.170 CLEAR
• 11.5.171 SCISSOR1
• 11.5.172 SCISSOR2
• 11.5.173 NEARZ
• 11.5.174 FARZ
• 11.5.175 CTST
• 11.5.176 CREF
• 11.5.177 CMSK
• 11.5.178 ATST
• 11.5.179 STST
• 11.5.180 SOP
• 11.5.181 ZTST
• 11.5.182 ALPHA
• 11.5.183 SFIX
• 11.5.184 DFIX
• 11.5.185 DTH0
• 11.5.186 DTH1
• 11.5.187 DTH2
• 11.5.188 DTH3
• 11.5.189 LOP
• 11.5.190 ZMSK
• 11.5.191 PMSKC
• 11.5.192 PMSKA
• 11.5.193 TRXKICK
• 11.5.194 TRXSPOS
• 11.5.195 TRXDPOS
• 11.5.196 TRXSIZE
• 11.6 Texture Cache
• 11.7 Memory Bandwidth


• 12 Audio Processing
• 12.1 Overview


• 13 Infrared Port
• 14 WLAN
• 15 USB Port
• 16 UMD
• 17 Memory Stick
• 18 Headphone/Remote Control
• 18.1 Audio Input
• 18.2 Serial Communications


• 19 Flash Memory
• 19.1 Physical Layout
• 19.2 User Area (Main Data)
• 19.2.1 Physical Layout (unmapped)
• 19.2.2 Logical Layout (mapped)
• 19.2.3 Bootstrap (IPL Area)
• 19.2.4 ID Storage Area
• 19.2.5 FAT Area
• 19.3 Spare Area (extra Data)
• 19.4 Tools


• 20 Flash Memory Structure (flash0)
• 20.1 DATA Subdirectory
• 20.1.1 CERT Subdirectory
• 20.2 DIC Subdirectory
• 20.3 FONT Subdirectory
• 20.4 KD Subdirectory
• 20.4.1 Kernel Modules
• 20.4.2 Boot Configurations
• 20.5 VSH Subdirectory
• 20.5.1 ETC Subdirectory
• 20.5.2 MODULE Subdirectory
• 20.5.3 RESOURCE Subdirectory


• 21 Flash Memory Structure (flash1)
• 21.1 DIC Subdirectory
• 21.2 REGISTRY Subdirectory
• 21.3 VSH Subdirectory
• 21.3.1 THEME Subdirectory


• 22 Memory Stick Structure
• 22.1 Root Directory
• 22.1.1 PSP Subdirectory
• 22.1.2 MP_Root Subdirectory
• 22.1.3 HIFI Subdirectory
• 22.1.4 CONTROL Subdirectory
• 22.1.5 DCIM Subdirectory
• 22.1.6 MISC Subdirectory


• 23 UMD Game Structure
• 23.1 Root Directory
• 23.1.1 PSP_GAME Subdirectory


• 24 UMD Video Structure
• 24.1 Root Directory
• 24.1.1 UMD_VIDEO Subdirectory


• 25 UMD Audio Structure
• 25.1 Root Directory
• 25.1.1 UMD_VIDEO Subdirectory


• 26 File Formats
• 26.1 ELF (Executable & Linkable Fileformat)
• 26.1.1 Tools
• 26.2 PRX (PSP Relocateble eXecutable)
• 26.2.1 Program Headers
• 26.2.2 special Sections
• 26.2.3 Custom Relocation Format
• 26.2.4 Unique ELF type
• 26.2.5 Tools
• 26.3 PBP
• 26.3.1 Tools
• 26.4 PSF (SFO)
• 26.4.1 Tools
• 26.5 PSP
• 26.5.1 Tools
• 26.6 PSAR
• 26.6.1 Structure
• 26.6.2 Header
• 26.6.3 Section Header
• 26.6.4 Type A Section (Data Block)
• 26.6.5 Type B Section (compressed Data Block)
• 26.6.6 Tools
• 26.7 Gamesave
• 26.7.1 Tools
• 26.8 PMF (PSMF)
• 26.9 PGF
• 26.9.1 Tools
• 26.10 THM
• 26.11 MP4
• 26.12 AT3
• 26.13 PNG
• 26.14 RCO
• 26.15 IREG
• 26.15.1 Header
• 26.15.2 Entries
• 26.16 DREG
• 26.16.1 Entry
• 26.16.2 Tools
• 26.17 CER
• 26.18 DIC
• 26.19 flash
• 26.20 ISO
• 26.21 DAX
• 26.22 CSO
• 26.23 ezip


• 27 Graphic Formats
• 27.1 1555 ABGR
• 27.2 4444 ABGR
• 27.3 565 BGR
• 27.4 8888 ABGR
• 27.5 swizzling
• 27.6 S3TC Compression
• 27.6.1 DXT1
• 27.6.2 DXT3
• 27.6.3 DXT5


• 28 Boot Process
• 28.1 Cold Boot
• 28.1.1 embedded Bootstrap
• 28.1.2 IPL Stage 1
• 28.1.3 IPL Stage 2
• 28.2 Load Exec
• 28.2.1 Stage 1
• 28.2.2 Stage 2
• 28.3 Exit Game
• 28.4 reboot.prx


• 29 Kernel
• 29.1 Devices
• 29.1.1 Block Devices
• 29.1.2 Filesystems
• 29.2 Return Codes
• 29.2.1 Structure
• 29.2.2 Facilities
• 29.2.3 General Errors
• 29.2.4 Errnos
• 29.2.5 Kernel Errors
• 29.2.6 Network Errors
• 29.2.7 unspecified Errors
• 29.3 Versions
• 29.3.1 1.0
• 29.3.2 1.5
• 29.3.3 1.51
• 29.3.4 1.52
• 29.3.5 2.0
• 29.3.6 2.01
• 29.3.7 2.5
• 29.3.8 2.6
• 29.3.9 2.7
• 29.3.10 2.71
• 29.3.11 2.8
• 29.3.12 2.81
• 29.3.13 2.82
• 29.3.14 3.0
• 29.3.15 3.01
• 29.3.16 3.02
• 29.3.17 3.03
• 29.4 Exploits
• 29.4.1 Kxploit (Code Execution)
• 29.4.2 TIFF Exploit (Code Execution)
• 29.4.3 GTA Savegame Exploit (Code Execution)
• 29.4.4 LoadExec Exploit (gain Kernel access)
• 29.5 Network Update
• 29.6 Network Test
• 29.7 Registry
• 29.8 VSH
• 29.9 Game Sharing


• 30 Modchips
• 30.1 Undiluted Platinum (UP)
• 30.2 0okm's Multi Firmware Module (MFM)
• 30.3 Homemade Flash Interfaces
• 30.3.1 Nem
• 30.3.2 0okm
• 30.3.3 Booster
• 30.3.4 ryoko no usagi


• 31 Appendix
• 31.1 GCC Quick How To
• 31.1.1 compile ASM to object:
• 31.1.2 compile C to object:
• 31.1.3 compile C++ to object:
• 31.1.4 link objects
• 31.1.5 remove unneeded sections (debug info etc) from object
• 31.1.6 convert object to plain binary
• 31.1.7 convert absolute address into filename/line number/function
• 31.1.8 Building a Crosscompiler
• 31.1.9 Linker Script
• 31.1.10 Startup Code
• 31.2 Games
• 31.3 Developers


• 32 References
• 32.1 Sources


• 33 Credits