8
HARDWARE REGISTERS
46
8
Hardware Registers
8.1
Profiler
Registerblock Base
Size of Registerblock
common access size
0xbc400000
32 bit
0xbc400000
4
r/w
ENABLE
31
24
23
16
15
8
7
0
....
....
....
....
....
....
....
....
bit(s)
description
0
0
profiling disabled
1
profiling enabled
first clear all counter registers by writing 0 to them, then enable profiling. counter registers are as follows:
Address
Unit
Description
0xbc400004
cycles
systemck
0xbc400008
cycles
cpu ck
0xbc40000c
cycles
stall (total)
0xbc400010
cycles
stall (internal)
0xbc400014
cycles
stall (memory)
0xbc400018
cycles
stall (COPz)
0xbc40001c
cycles
stall (VFPU)
0xbc400020
cycles
sleep
0xbc400024
cycles
bus access
0xbc400028
times
uncached load
0xbc40002c
times
uncached store
0xbc400030
times
cached load
0xbc400034
times
cached store
0xbc400038
times
I cache miss
0xbc40003c
times
D cache miss
0xbc400040
times
D cache wb
0xbc400044
instructions
COP0 inst
0xbc400048
instructions
FPU inst
0xbc40004c
instructions
VFPU inst
0xbc400050
cycles
local bus
8.2
NAND Flash
Registerblock Base
Size of Registerblock
common access size
0xbd101000
0x100 ?
32 bit
0xbd101004
4
r
Status ?
31
24
23
16
15
8
7
0
....
....
....
....
....
....
....
....
bit(s)
description
0
0=busy, 1=ready
Содержание PlayStationPortable
Страница 114: ...12 AUDIO PROCESSING 114 12 Audio Processing 12 1 Overview 44100 Hz Sample Frequency ...
Страница 116: ...14 WLAN 116 14 WLAN ...
Страница 117: ...15 USB PORT 117 15 USB Port ...
Страница 118: ...16 UMD 118 16 UMD ...
Страница 119: ...17 MEMORY STICK 119 17 Memory Stick ...
Страница 128: ...21 FLASH MEMORY STRUCTURE FLASH1 128 21 Flash Memory Structure flash1 DIC REGISTRY VSH THEME ...
Страница 141: ...28 IPL 141 28 IPL ...