AMD Geode LX 600@0.7W Data Book page 144

33234H
5.5.2.41 C3/C2 Linear Instruction Pointer MSR (C3_C2_LIP_MSR)
MSR Address 00001367h
Type RO
Reset Value 00000000_00000000h
C3_C2_LIP_MSR provides access to linear instruction pointers when the code segment was loaded.
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
Bit Name
63:32 C3_LIP
31:0 C2_LIP
5.5.2.42 Floating Point Environment Code Segment (FPENV_CS_MSR)
MSR Address 00001370h
Type R/W
Reset Value 00000000_00000000h
FPENV_CS_MSR provides access to the floating point (FP) environment code segment. Software better accesses the
floating point environment data using the FLDENV/FSTENV and FSAVE/FRSTOR instructions.
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
Bit Name
63:16 RSVD
15:0 CS
144
C3_C2_LIP_MSR Register Map
C3_C2_LIP_MSR Bit Descriptions
Description
CS 3 Linear Instruction Pointer. Fourth most recent linear instruction point when code
segment was loaded.
CS 2 Linear Instruction Pointer. Third most recent linear instruction point when code
segment was loaded.
FPENV_CS_MSR Register Map
RSVD
FPENV_CS_MSR Bit Descriptions
Description
Reserved.
Code Segment. Selector of code segment of last FP instruction that may have caused
an FP error.
C3_LIP
C2_LIP
RSVD
AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions
9 8 7 6 5 4 3 2
9 8 7 6 5 4 3 2
CS
1 0
1 0