96 l2 cache status msr (l2_status_msr), 97 l2 cache index msr (l2_index_msr), 00001921h – AMD Geode LX [email protected] User Manual
Page 188: L2 cache status msr (l2_status_msr), 00000000_00000001h, 00001922h, L2 cache index msr (l2_index_msr), 00000000_00000000h
188
AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions
33234H
5.5.2.96 L2 Cache Status MSR (L2_STATUS_MSR)
L2_STATUS_MSR returns the status of the L2 cache controller.
5.5.2.97 L2 Cache Index MSR (L2_INDEX_MSR)
L2_INDEX_MSR has the L2 cache index, the way and the data QWORD select for diagnostic accesses.
MSR Address
00001921h
Type
RO
Reset Value
00000000_00000001h
L2_STATUS_MSR Register Map
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
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RSVD
L2_IDLE
L2_STATUS_MSR Bit Descriptions
Bit
Name
Description
63:1
RSVD
Reserved.
0
L2_IDLE
L2 Cache Idle. Returns 1 if the L2 cache controller is idle. (Default = 1)
MSR Address
00001922h
Type
R/W
Reset Value
00000000_00000000h
L2_INDEX_MSR Register Map
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
RSVD
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
RSVD
L2_DSEL
RSVD
L2_INDEX
RSVD
L2_W
A
Y
L2_INDEX_MSR Bit Descriptions
Bit
Name
Description
63:18
RSVD
Reserved. (Default = 0)
17:16
L2_DSEL
L2 Cache Data QWORD Select. (Default = 0)
15
RSVD
Reserved. (Default = 0)
14:5
L2_INDEX
L2 Cache Index for Diagnostics Accesses. (Default = 0)
4:2
RSVD
Reserved. (Default = 0)
1:0
L2_WAY
L2 Cache Way Selected for Diagnostics Accesses. (Default = 0)