ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 143

• 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

CPU Core Register Descriptions
5.5.2.43 Floating Point Environment Instruction Pointer (FPENV_IP_MSR)
MSR Address
Type
Reset Value
FPENV_IP_MSR provides access to the floating point (FP) environment instruction pointer. Software better accesses the
floating point environment data using the FLDENV/FSTENV and FSAVE/FRSTOR instructions.
5.5.2.44 Floating Point Environment Data Segment (FPENV_DS_MSR)
MSR Address
Type
Reset Value
FPENV_DS_MSR provides access to the floating point (FP) environment data segment. Software better accesses the
floating point environment data using the FLDENV/FSTENV and FSAVE/FRSTOR instructions.
AMD Geode™ LX Processors Data Book
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
63:32
63:16
31:0
15:0
Bit
Bit
Name
RSVD
IP
Name
RSVD
DS
00001371h
R/W
00000000_00000000h
00001372h
R/W
00000000_00000000h
RSVD
Description
Reserved.
Instruction Pointer. Effective address of last FP instruction that may have caused an FP
error.
Description
Reserved.
Data Segment. Selector of data segment of memory operand of last FP instruction that
may have caused an FP error.
FPENV_DS_MSR Bit Descriptions
FPENV_IP_MSR Bit Descriptions
FPENV_DS_MSR Register Map
FPENV_IP_MSR Register Map
RSVD
RSVD
IP
9
9
8
8
DS
33234C
7
7
6
6
5
5
4
4
3
3
2
2
1
1
143
0
0