commit ae39e4ce19b0292b3608bd71a1d4fcf558ea2edc
author Hou Weiying <weiying_hou@outlook.com> Mon Apr 19 16:17:11 2021 +1000
committer Alistair Francis <alistair.francis@wdc.com> Tue May 11 20:02:06 2021 +1000
tree e9fd5f906148867b0064dfaa576848fb2fa3e811
parent 2582a95c3c46d2e9d7fbe4a6ff01cfe6b4875339

target/riscv: Implementation of enhanced PMP (ePMP)

This commit adds support for ePMP v0.9.1.

The ePMP spec can be found in:
https://docs.google.com/document/d/1Mh_aiHYxemL0umN3GTTw8vsbmzHZ_nxZXgjgOUzbvc8

Signed-off-by: Hongzheng-Li <Ethan.Lee.QNL@gmail.com>
Signed-off-by: Hou Weiying <weiying_hou@outlook.com>
Signed-off-by: Myriad-Dreamin <camiyoru@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-id: fef23b885f9649a4d54e7c98b168bdec5d297bb1.1618812899.git.alistair.francis@wdc.com
[ Changes by AF:
 - Rebase on master
 - Update to latest spec
 - Use a switch case to handle ePMP MML permissions
 - Fix a few bugs
]
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>