ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 645

• 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
8.3.4.6
Operation
Description
Restore the Local Descriptor Table register and descriptor from memory. Below is the format of the descriptor contents in
memory.
Flags Affected
None.
Exceptions
#UD
is not in DMM.
Notes
The reg field within the mod r/m byte must be zero for the RSLDT instruction to be recognized.
The RSLDT instruction does not check its memory operand for validity. Care should be taken to always load valid data into
the LDT.
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
IF (CPL<>0 OR (SMM_INST_EN=0 AND SMM=0 AND DMM=0))
ELSE
Opcode
0F 7B
BASE[31:24]
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
RSLDT - Restore Local Descriptor Table Register and Descriptor
#UD;
LDT.DESCR <= MEM80;
Instruction
RSLDT m80
BASE[15:0]
G
B
0
V
LIMIT[19:16]
Clocks
11
1
DPL
Description
Restore LDTR from memory
1
SELECTOR[15:3]
0
E W A
LIMIT[15:0]
8
7
33234C
6
5
BASE[23:16]
4
3
TI
2
1
RPL
0
+8
+0
+4
645