Intel 82559 用户手册
Intel 8255x 10/100 Mbps Ethernet Controller Family Open Source Software Developer Manual
97
Host Software Interface
6.4.2.8
Diagnose (111b)
The diagnose command triggers an internal self-test procedure that checks the internal device
hardware. Its format is illustrated below.
126
Micromachine Input Port 3
127
Micromachine Input Port 2
128
Micromachine Input Port 1
129
Micromachine Input Port 0
130
Micromachine ALU
131
Micromachine Temporary B Register
132
Micromachine Temporary A Register Rotated Right
133
Micromachine Temporary A Register
134
Transmit DMA Byte Count Register
135
Micromachine Input Port Address Register
136
Transmit DMA Address Register
137
Micromachine Output Port Register
138
Receive DMA Byte Count Register
139
Micromachine Output Port Address Register
140
Receive DMA Address Register
141 – 142
Reserved
143
DIU Control Register
144
Micromachine ALU Shifted by Byte
145
Reserved
146
BIU Control Register
147
Reserved
148
Micromachine Status Register
Table 51. Dump Data Dwords (20-148)
Dword
Byte 3
Byte 2
Byte 1
Figure 23. Diagnose Command Format
Offset
Command Word Bits 31:16
Status Word Bits 15:0
00h
EL
S
I
0000000000
111
C
X
OK X
F
XXXXXXXXX
XX
XX
04h
Link Address (A31:A0)