AMD-K6 Datasheet, PDF (52/346 Pages) Advanced Micro Devices – AMD-K6 Processor

AMD-K6^® Processor Data Sheet
Preliminary Information
20695H/0—March 1998
Debug Registers
Figures 24 through 27 show the 32-bit debug registers
supported by the processor.
Symbol
LEN 3
R/W 3
LEN 2
R/W 2
LEN 1
R/W 1
LEN 0
R/W 0
Description
Length of Breakpoint #3
Type of Transaction(s) to Trap
Length of Breakpoint #2
Type of Transaction(s) to Trap
Length of Breakpoint #1
Type of Transaction(s) to Trap
Length of Breakpoint #0
Type of Transaction(s) to Trap
Bits
31–30
29–28
27–26
25–24
23–22
21–20
19–18
17–16
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
LEN R/W LEN R/W LEN R/W LEN R/W
G
3
322
1
100
D
GLGL L LGLG L
E E332 21 10 0
Symbol
GD
GE
LE
G3
L3
G2
L2
G1
L1
G0
L0
Reserved
Description
Bit
General Detect Enabled
13
Global Exact Breakpoint Enabled
9
Local Exact Breakpoint Enabled
8
Global Exact Breakpoint # 3 Enabled 7
Local Exact Breakpoint # 3 Enabled 6
Global Exact Breakpoint # 2 Enabled 5
Local Exact Breakpoint # 2 Enabled 4
Global Exact Breakpoint # 1 Enabled 3
Local Exact Breakpoint # 1 Enabled 2
Global Exact Breakpoint # 0 Enabled 1
Local Exact Breakpoint # 0 Enabled 0
Figure 24. Debug Register DR7
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Software Environment
Chapter 3