Справочник Пользователя для AMD LX 900@1.5W
AMD Geode™ LX Processors Data Book
167
CPU Core Register Descriptions
33234H
5.5.2.71 Region Configuration SMM MSR (RCONF_SMM_MSR)
RCONF_E0_FF_MSR Bit Descriptions
Bit
Name
Description
63:56
RPFC
Region Properties for 000FC000-000FFFFF.
55:48
RPF8
Region Properties for 000F8000-000FBFFF.
47:40
RPF4
Region Properties for 000F4000-000FAFFF.
39:32
RPF0
Region Properties for 000F0000-000F3FFF.
31:24
RPEC
Region Properties for 000EC000-000EFFFF.
23:16
RPE8
Region Properties for 000E8000-000EBFFF.
15:8
RPE4
Region Properties for 000E4000-000E7FFF.
7:0
RPE0
Region Properties for 000E0000-000E3FFF.
Note:
Region Properties: Bits [7:6] = RSVD; Bit 5 = WS; Bit 4 = WC; Bit 3 = WT; Bit 2 = WP; Bit 1 = WA; Bit 0 = CD.
See "Region Properties" on page 170 for further details.
See "Region Properties" on page 170 for further details.
MSR Address
0000180Eh
Type
R/W
Reset Value
00000001_00000001h
Warm Start Value
xxxxx001_xxxxx005h
RCONF_SMM_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
SMMTOP
RSVD
RPSMM
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
SMMBASE
RSVD
RPSMM_EN
SMM_NORM
RCONF_SMM_MSR Bit Descriptions
Bit
Name
Description
63:44
SMMTOP
Top of SMM. Top of SMM region, 4 KB granularity inclusive.
43:40
RSVD
Reserved.
39:32
RPSMM
Region Properties in SMM Region when SMM Active.
31:12
SMMBASE
Start of SMM. Start of SMM region, 4 KB granularity inclusive
11:9
RSVD
Reserved.
8
RPSMM_EN
SMM Properties Region Enable.
0: Disable.
1: Enable.
1: Enable.
7:0
SMM_NORM
Region Properties in SMM Region when SMM Inactive.
Note:
Region Properties: Bits [7:6] = RSVD; Bit 5 = WS; Bit 4 = WC; Bit 3 = WT; Bit 2 = WP; Bit 1 = WA; Bit 0 = CD.
See "Region Properties" on page 170 for further details.
See "Region Properties" on page 170 for further details.