108 bus controller debug register 6 msr (bdr6_msr), 109 bus controller debug register 7 msr (bdr7_msr), 00001976h – AMD Geode LX [email protected] User Manual
Page 198: Bus controller debug register 6 msr (bdr6_msr), 00000000_00000000h, 00001977h, Bus controller debug register 7 msr (bdr7_msr)
198
AMD Geode™ LX Processors Data Book
CPU Core Register Descriptions
33234H
5.5.2.108 Bus Controller Debug Register 6 MSR (BDR6_MSR)
This register contains the status of the bus controller breakpoints. When a breakpoint occurs, the corresponding status bit
is set in this register. The status bits remain set until cleared by an MSR write.
5.5.2.109 Bus Controller Debug Register 7 MSR (BDR7_MSR)
This register is the bus controller breakpoint control/enable register.
MSR Address
00001976h
Type
R/W
Reset Value
00000000_00000000h
BDR6_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
T3 T2 T1 T0
BDR6_MSR Bit Descriptions
Bit
Name
Description
63:4
RSVD
Reserved. (Default = 0)
3
T3
Breakpoint 3 Triggered. A 1 Indicates that breakpoint 3 has triggered. Write to clear.
(Default = 0)
2
T2
Breakpoint 2 Triggered. A 1 Indicates that breakpoint 2 has triggered. Write to clear.
(Default = 0)
1
T1
Breakpoint 1 Triggered. A 1 Indicates that breakpoint 1 has triggered. Write to clear.
(Default = 0)
0
T0
Breakpoint 0 Triggered. A 1 Indicates that breakpoint 0 has triggered. Write to clear.
(Default = 0)
MSR Address
00001977h
Type
R/W
Reset Value
00000000_00000000h
BDR7_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
TYPE3
TYPE2
TYPE1
TYPE0
RSVD
E3 E2 E1 E0
BDR7_MSR Bit Descriptions
Bit
Name
Description
63:32
RSVD
Reserved. (Default = 0)