Справочник Пользователя для AMD LX 900@1.5W
AMD Geode™ LX Processors Data Book
165
CPU Core Register Descriptions
33234H
5.5.2.67 Region Configuration Bypass MSR (RCONF_BYPASS_MSR)
5.5.2.68 Region Configuration A0000-BFFFF MSR (RCONF_A0_BF_MSR)
MSR Address
0000180Ah
Type
R/W
Reset Value
00000000_00000101h
Warm Start Value
00000000_00000219h
RCONF_BYPASS_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
RPSMHDR
RPTLB
RCONF_BYPASS_MSR Bit Descriptions
Bit
Name
Description
63:16
RSVD
Reserved.
15:8
RPSMHDR
Region Properties during SMM/DMM. Region configuration properties used during
SMM/DMM header accesses.
SMM/DMM header accesses.
7:0
RPTLB
Region Properties during Tablewalks.
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
0000180Bh
Type
R/W
Reset Value
01010101_01010101h
Warm Start Value
19191919_19191919h
RCONF_A0_BF_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
RPBC
RPB8
RPB4
RPB0
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
RPAC
RPA8
RPA4
RPA0
RCONF_A0_BF_MSR Bit Descriptions
Bit
Name
Description
63:56
RPBC
Region Properties for 000BC000-000BFFFF.
55:48
RPB8
Region Properties for 000B8000-000BBFFF.
47:40
RPB4
Region Properties for 000B4000-000BAFFF.
39:32
RPB0
Region Properties for 000B0000-000B3FFF.
31:24
RPAC
Region Properties for 000AC000-000AFFFF.
23:16
RPA8
Region Properties for 000A8000-000ABFFF.
15:8
RPA4
Region Properties for 000A4000-000A7FFF.
7:0
RPA0
Region Properties for 000A0000-000A3FFF.
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.