ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 110

• 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

5.5.2.5
MSR Address
Type
Reset Value
SYS_SP MSR is used by the SYSENTER instruction (fast system call) as the most privileged stack pointer.
5.5.2.6
MSR Address
Type
Reset Value
SYS_IP MSR is used by the SYSENTER instruction (fast system call) as the offset into the most privileged code segment.
110
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
63:32
15:3
31:0
31:0
Bit
1:0
Bit
Bit
17
16
2
SYSENTER/SYSEXIT Stack Pointer MSR (SYS_SP_MSR)
SYSENTER/SYSEXIT Instruction Pointer MSR (SYS_IP_MSR)
Name
R (RO)
A (RO)
CS_SEL
TI
RPL (RO)
Name
RSVD
ESP
Name
RSVD
EIP
00000175h
R/W
00000000_00000000h
00000176h
R/W
00000000_00000000h
33234C
Description
Readable (Read Only). Code segment is readable. (Default = 1)
Accessed (Read Only). Code segment was accessed. (Default = 1)
Code Segment Selector. (Default = 0)
Descriptor Table Indicator. (Default = 0)
Requestor Privilege Level (Read Only). (Default = 0)
Description
Reserved.
Enter Stack Pointer. Stack pointer to be used after SYSENTER in most privileged code.
(Default = 0)
Description
Reserved.
Enter Instruction Pointer. Offset into the most privileged code segment. (Default = 0)
SYS_CS_MSR Bit Descriptions (Continued)
SYS_SP_MSR Bit Descriptions
SYS_IP_MSR Bit Descriptions
SYS_SP_MSR Register Map
SYS_IP_MSR Register Map
RSVD
RSVD
ESP
EIP
AMD Geode™ LX Processors Data Book
9
9
8
8
CPU Core Register Descriptions
7
7
6
6
5
5
4
4
3
3
2
2
1
1
0
0