AMD Geode LX [email protected] User Manual
Page 199
AMD Geode™ LX Processors Data Book
199
CPU Core Register Descriptions
33234H
31:28
TYPE3
Breakpoint 3 Type. Selects the type of extended breakpoint 3.
0000: IM memory read (Default).
0001: DM memory read.
0010: DM memory write.
0011: DM memory read/write.
0100: DM I/O read.
0101: DM I/O write.
0110: DM I/O read/write.
0111: GLBus snoop for read.
1000: GLBus snoop for write.
1001: GLBus snoop for write-invalidate.
1010: MSR read.
1011: MSR write.
All Others: Undefined, breakpoint will not trigger.
27:24
TYPE2
Breakpoint 2 Type. Selects the type of extended breakpoint 2. See TYPE3 (bits [31:28])
for decode.
23:20
TYPE1
Breakpoint 1 Type. Selects the type of extended breakpoint 1. See TYPE3 (bits [31:28])
for decode.
19:16
TYPE0
Breakpoint 0 Type. Selects the type of extended breakpoint 0. See TYPE3 (bits [31:28])
for decode.
15:4
RSVD
Reserved. (Default = 0)
3
E3
Breakpoint 3 Enable. Allows extended breakpoint 3 to be enabled.
0: Disable.
1: Enable.
2
E2
Breakpoint 2 Enable. Allows extended breakpoint 2 to be enabled.
0: Disable.
1: Enable.
1
E1
Breakpoint 1 Enable. Allows extended breakpoint 1 to be enabled.
0: Disable.
1: Enable.
0
E0
Breakpoint 0 Enable. Allows extended breakpoint 0 to be enabled.
0: Disable.
1: Enable.
BDR7_MSR Bit Descriptions
Bit
Name
Description