7
MEMORY MAP
44
7
Memory Map
7.1
Segments
virtual address
msb
physical address
size
type
comment
mode(s)
0x0.......
000
0x0.......
1024 MB
KU0
cached
user/supervisor/kernel
0x4.......
010
0x0.......
1024 MB
KU1
uncached
user/supervisor/kernel
0x8.......
100
0x0.......
512 MB
K0
cached
kernel
0xA.......
101
0x0.......
512 MB
K1
uncached
kernel
0xC.......
110
0x0.......
512 MB
K2/KS
cached
supervisor/kernel
0xE.......
111
0x0.......
512 MB
K3
cached
kernel
note: K2 and K3 segments seem to be unused
7.2
physical Memory
start
end
size
description
0x00010000
0x00003fff
16kb
scratchpad
0x04000000
0x041fffff
2mb
Video Memory / Frame Buffer
0x08000000
0x09ffffff
32mb
Main Memory
0x1c000000
0x1fbfffff
Hardware i/o
0x1fc00000
0x1fcfffff
1mb
Hardware Exception Vectors (RAM)
0x1fd00000
0x1fffffff
Hardware i/o
7.3
Ram usage
start
end
size
segment
description
0x88000000
0x887fffff
8mb
K0
Kernel Memory
0x08800000
0x09ffffff
24mb
KU0
Userspace Memory
0x88000000
0x883fffff
4mb
K0
first half of kernel memory
0x88400000
0x887fffff
4mb
K0
Module/Threadmanager Memory (v1.5 FW only ?)
0x08900000
KU0
user main program start address
Summary of Contents for PlayStationPortable
Page 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Page 116: ...14 WLAN 116 14 WLAN ...
Page 117: ...15 USB PORT 117 15 USB Port ...
Page 118: ...16 UMD 118 16 UMD ...
Page 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Page 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Page 141: ...28 IPL 141 28 IPL ...