Security Attribution Unit
Address |
Register Name |
Register Write |
Register Read |
Default |
Description |
---|---|---|---|---|---|
0xE000EDD0 |
SAU_CTRL |
(1) ALLNS |
(1) ALLNS |
0x0 |
All non-secure |
|
|
(0) ENABLE |
(0) ENABLE |
0x0 |
Enable the SAU |
0xE000EDD4 |
SAU_TYPE |
- |
(7:0) NBR_OF_REGION |
0x4 |
Number of region implemented by the SAU |
0xE000EDD8 |
SAU_RNR |
(7:0) SEL_REGION |
(7:0) SEL_REGION |
0x0 |
Selects the region currently accessed by SAU_RBAR and SAU_RLAR |
0xE000EDDC |
SAU_RBAR |
(31:5) BASE_ADDRESS |
(31:5) BASE_ADDRESS |
0x0 |
Base address |
0xE000EDE0 |
SAU_RLAR |
(31:5) LIMIT_ADDRESS |
(31:5) LIMIT_ADDRESS |
0x0 |
Limit address |
0xE000EDE4 |
SAU_SFSR |
- |
(7) LSERR |
0x0 |
Lazy state error flag |
|
|
- |
(6) SFARVALID |
0x0 |
Secure fault address valid |
|
|
- |
(5) LSPERR |
0x0 |
Lazy state preservation error flag |
|
|
- |
(4) INVTRAN |
0x0 |
Invalid transition flag |
|
|
- |
(3) AUVIOL |
0x0 |
Attribution unit violation flag |
|
|
- |
(2) INVER |
0x0 |
Invalid exception return flag |
|
|
- |
(1) INVIS |
0x0 |
Invalid integrity signature flag |
|
|
- |
(0) INVEP |
0x0 |
Invalid entry point |
0xE000EDE8 |
SAU_SFAR |
- |
(31:0) ADDRESS |
0x0 |
Address |