ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 649

• Manufacturer Part Number: ALXD800EEXJ2VD
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of ALXD800EEXJ2VD

• Operating Temperature (min): 0C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Compliant

Instruction Set
Description
The SMINT instruction saves portions of the processors state to the System Management Mode (SMM) header, alters the
processors state for SMM, enters SMM, and then calls the SMM handler. Below is the format of the SMM header.
Flags Affected
All EFlags are returned to their reset values.
8.3.4.11 Exceptions
#UD
is not in DMM.
Notes
The SMINT instruction will clear the V, X, M, H, P, I, I/O ADDRESS, I/O SIZE, and I/O DATA fields of the SMM header. The
CURRENT_IP field of the SMM header will point to the SMINT instruction. The NEXT_IP field of the SMM header will point
to the instruction following the SMINT instruction. The S bit of the SMM header will be set.
AMD Geode™ LX Processors Data Book
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9
G
G
D
B
0 Av
0 Av
If current privilege level is not 0, or the SMM_INST_EN = 0 and if the processor is not in SMM and if the processor
0
0
0
0
CS_FLAGS
SS_FLAGS
1
1
DPL
DPL
1
1
1 Cf R
0
I/O SIZE
E W A
CURRENT_IP
SMM_CTL
CS_BASE
I/O_DATA
NEXT_IP
EFlags
A
DR7
CR0
c
r
CS_LIMIT[19:0]
Code Segment Selector
I/O ADDRESS[15:0]
INDEX
SMM Flags
N
8
7
V
33234C
X
6
M H
5
4
S
3
TI
P
2
1
I
RPL
c
0
w
-1C
-2C
-10
-14
-18
-20
-24
-28
-30
-C
-4
-8
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