Commit Graph

2 Commits

Author SHA1 Message Date
Peng Hao 49f3023506 ARM: 8831/1: NOMMU: pmsa-v8: remove unneeded semicolon
Remove unneeded semicolon.

[vladimir] proper tags in subject line

Signed-off-by: Peng Hao <peng.hao2@zte.com.cn>
Acked-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2019-02-01 21:44:45 +00:00
Vladimir Murzin 046835b4aa ARM: 8757/1: NOMMU: Support PMSAv8 MPU
ARMv8R/M architecture defines new memory protection scheme - PMSAv8
which is not compatible with PMSAv7.

Key differences to PMSAv7 are:
 - Region geometry is defined by base and limit addresses
 - Addresses need to be either 32 or 64 byte aligned
 - No region priority due to overlapping regions are not allowed
 - It is unified, i.e. no distinction between data/instruction regions
 - Memory attributes are controlled via MAIR

This patch implements support for PMSAv8 MPU defined by ARMv8R/M
architecture.

Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
2018-05-19 11:53:46 +01:00