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DBCR1 (cont.)
Debug Control Register 1
10-14 PPC405 Core User’s Manual
12:13 DV1M Data Value Compare 1 Mode
00 Undefined
01 AND
10 OR
11 AND-OR
Type of data comparison used:
All bytes selected by DBCR1[DV1BE] must
compare to the appropriate bytes of DVC1.
One of the bytes selected by
DBCR1[DV1BE] must compare to the
appropriate bytes of DVC1.
The upper halfword or lower halfword must
compare to the appropriate halfword in
DVC1. When performing halfword
compares set DBCR1[DV1BE] = 0011,
1100, or 1111.
14:15 DV2M Data Value Compare 2 Mode
00 Undefined
01 AND
10 OR
11 AND-OR
Type of data comparison used
All bytes selected by DBCR1[DV2BE] must
compare to the appropriate bytes of DVC2.
One of the bytes selected by
DBCR1[DV2BE] must compare to the
appropriate bytes of DVC2.
The upper halfword or lower halfword must
compare to the appropriate halfword in
DVC2. When performing halfword
compares set DBCR1[DV2BE] = 0011,
1100, or 1111.
16:19 DV1BE Data Value Compare 1 Byte
0 Disabled
1 Enabled
Selects which data bytes to use in data
value comparison
20:23 DV2BE Data Value Compare 2 Byte
0 Disabled
1 Enabled
Selects which data bytes to use in data
value comparison
24:31
Reserved