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Author SHA1 Message Date
Himanshu ChauhanandAnup Patel 9e0ba09076 include: sbi: Fine grain the permissions for M and SU modes 
Split the permissions for M-mode and SU-mode. This would
help if different sections of OpenSBI need to be given
different permissions and if M-mode has different permisssions
than the SU-mode over a region.

Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Tested-by: Anup Patel <anup@brainfault.org>
 2023-01-09 18:04:10 +05:30
Himanshu ChauhanandAnup Patel 506928a1be scripts: use env to invoke bash 
Not all systems have bash at a fixed location like /bin/bash.
FreeBSD, for example, would typically have it at /usr/local/bin/bash.
When building OpenSBI on freebsd system, the build breaks.

Its advisable to use: #!/usr/bin/env bash

Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Xiang W <wxjstz@126.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-10 22:00:27 +05:30
Himanshu ChauhanandAnup Patel cb568b9b29 lib: sbi: Synchronize PMP settings with virtual memory system 
As per section 3.7.2 of RISC-V Privileged Specification,
PMP settings must be synchronized with the virtual memory
system after PMP settings have been written.

Signed-off-by: Himanshu Chauhan <hchauhan@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
 2022-12-09 14:17:56 +05:30