MPU_RBAR
Bit Field |
Read/Write |
Field Name |
Description |
---|---|---|---|
31:5 |
RW |
BASE |
Base address |
4:3 |
RW |
SH |
Shareability |
2:1 |
RW |
AP |
Access permissions |
0 |
RW |
XN |
Execute never |
Bit Field |
Field Name |
Value Symbol |
Value Description |
Hex Value |
---|---|---|---|---|
4:3 |
SH |
NON_SHAREABLE |
Non-shareable |
0x0* |
|
|
OUTER_SHAREABLE |
Outer shareable |
0x2 |
|
|
INNER_SHAREABLE |
Inner Shareable |
0x3 |
2:1 |
AP |
RW_PRIVILEGED_CODE_ONLY |
Read/write by privileged code only |
0x0* |
|
|
RW_PRIVILEGED_LEVEL |
Read/write by any privilege level |
0x1 |
|
|
R_PRIVILEGED_CODE_ONLY |
Read-only by privileged code only |
0x2 |
|
|
R_PRIVILEGED_LEVEL |
Read-only by any privilege level |
0x3 |
0 |
XN |
EXEC_PERMITED |
Execution only permitted if read permitted |
0x0* |
|
|
EXEC_NOT_PERMITTED |
Execution not permitted |
0x1 |