194 AMD Geodeā„¢ LX Processors Data Book
CPU Core Register Descriptions
33234H
5.5.2.104Bus Controller Extended Debug Registers 1 and 0 MSR (BXDR1_BXDR0_MSR)
5.5.2.105Bus Controller Extended Debug Registers 3 and 2 MSR (BXDR3_BXDR2_MSR)
MSR Address 00001950h
Type R/W
Reset Value 00000000_00000000h
BXDR1_BXDR0_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
BXDR1_PHYS_ADDR
313029282726252423222120191817161514131211109876543210
BXDR0_PHYS_ADDR
BXDR1_BXDR0_MSR Bit Descriptions
Bit Name Description
63:32 BXDR1_PHYS_
ADDR
Address Match Value for BXDR1. This field specifies addresses that must match the
physical address currently in the bus controller in order to trigger the extended break-
point. (Default = 0)
31:0 BXDR0_PHYS_
ADDR
Address Match Value for BXDR0. This field specifies addresses that must match the
physical address currently in the bus controller in order to trigger the extended break-
point. (Default = 0)
MSR Address 00001951h
Type R/W
Reset Value 00000000_00000000h
BXDR3_BXDR2_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
BXDR3_PHYS_ADDR
313029282726252423222120191817161514131211109876543210
BXDR2_PHYS_ADDR
BXDR3_BXDR2_MSR Bit Descriptions
Bit Name Description
63:32 BXDR3_PHYS_
ADDR
Address Match Value for BXDR3. This field specifies addresses that must match the
physical address currently in the bus controller in order to trigger the extended break-
point. (Default = 0)
31:0 BXDR2_PHYS_
ADDR
Address Match Value for BXDR2. This field specifies addresses that must match the
physical address currently in the bus controller in order to trigger the extended break-
point. (Default = 0)