protruledata
This register configures the protection memory
characteristics of each protection rule.
Module Instance | Base Address | Register Address |
---|---|---|
sdr | 0xFFC20000 | 0xFFC25098 |
Offset: 0x5098
Access: RW
Important: To prevent indeterminate
system behavior, reserved areas of memory must not be accessed by software or
hardware. Any area of the memory map that is not explicitly defined as a register
space or accessible memory is considered reserved.
Bit Fields | |||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
Reserved |
|||||||||||||||
15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
Reserved |
ruleresult RW 0x0 |
portmask RW 0x0 |
validrule RW 0x0 |
security RW 0x0 |
protruledata Fields
Bit | Name | Description | Access | Reset | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
13 | ruleresult | Set this bit to a one to force a protection failure, zero to allow the access the succeed |
RW | 0x0 | ||||||||||||||||||||
12:3 | portmask |
The
bits in this field determine which ports the rule applies to. If a
port's bit is set, the rule applies to that port; if the bit is
clear, the rule does not apply. The bits in this field correspond to
the control ports as follows:
|
RW | 0x0 | ||||||||||||||||||||
2 | validrule | Set to bit to a one to make a rule valid, set to a zero to invalidate a rule. |
RW | 0x0 | ||||||||||||||||||||
1:0 | security | Valid security field encodings are:
|
RW | 0x0 |