Embeetle, an IDE designed from scratch for embedded software developers.address_offset : 0x0 Bytes (0x0)
size : 0x4000 byte (0x0)
mem_usage : registers
protection : not protected
Security Attribution Unit Control Register
address_offset : 0xD0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ENABLE : Enable. Enables the SAU. This bit is RAZ/WI when the Security Extension is implemented without an SAU region.
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
0 : DISABLED
The SAU is disabled.
0x1 : ENABLED
The SAU is enabled.
End of enumeration elements list.
ALLNS : All Non-secure.
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
0 : SECURED_MEMORY
Memory is marked as Secure and is not Non-secure callable.
0x1 : NON_SECURED_MEMORY
Memory is marked as Non-secure.
End of enumeration elements list.
Security Attribution Unit Type Register
address_offset : 0xD4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
SREGION : SAU regions. The number of implemented SAU regions.
bits : 0 - 7 (8 bit)
access : read-write
Security Attribution Unit Region Number Register
address_offset : 0xD8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
REGION : Region number.
bits : 0 - 7 (8 bit)
access : read-write
Security Attribution Unit Region Base Address Register
address_offset : 0xDC Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
BADDR : Base address. Holds bits[31:5] of the base address for the selected SAU region. Bits[4:0] of the base address are defined as 0x00.
bits : 5 - 31 (27 bit)
access : read-write
Security Attribution Unit Region Limit Address Register
address_offset : 0xE0 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ENABLE : Enable. SAU region enable.
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
0 : ENABLED
SAU region is enabled.
0x1 : DISABLED
SAU region is disabled.
End of enumeration elements list.
NSC : Non-secure callable. Controls whether Non-secure state is permitted to execute an SG instruction from this region.
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
0 : NOT_NON_SECURE_CALLABLE
Region is not Non-secure callable.
0x1 : NON_SECURE_CALLABLE
Region is Non-secure callable.
End of enumeration elements list.
LADDR : Limit address. Holds bits[31:5] of the limit address for the selected SAU region. Bits[4:0] of the limit address are defined as 0x1F.
bits : 5 - 31 (27 bit)
access : read-write
Secure Fault Status Register
address_offset : 0xE4 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
INVEP : Invalid entry point.
bits : 0 - 0 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
INVIS : Invalid integrity signature flag.
bits : 1 - 1 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
INVER : Invalid exception return flag.
bits : 2 - 2 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
AUVIOL : Attribution unit violation flag.
bits : 3 - 3 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
INVTRAN : Invalid transition flag.
bits : 4 - 4 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
LSPERR : Lazy state preservation error flag.
bits : 5 - 5 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred.
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
SFARVALID : Secure fault address valid.
bits : 6 - 6 (1 bit)
access : read-write
Enumeration:
0 : NOT_VALID
SFAR content not valid.
0x1 : VALID
SFAR content valid.
End of enumeration elements list.
LSERR : Lazy state error flag.
bits : 7 - 7 (1 bit)
access : read-write
Enumeration:
0 : NO_ERROR
Error has not occurred
0x1 : ERROR
Error has occurred.
End of enumeration elements list.
Secure Fault Address Register
address_offset : 0xE8 Bytes (0x0)
size : 32 bit
access : read-write
reset_value : 0x0
reset_Mask : 0x0
ADDRESS : When the SFARVALID bit of the SFSR is set to 1, this field holds the address of an access that caused an SAU violation.
bits : 0 - 31 (32 bit)
access : read-write
Is something missing? Is something wrong? can you help correct it ? Please contact us at info@chipselect.org !
This website is sponsored by Embeetle, an IDE designed from scratch for embedded software developers.