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Accommodate more MPU regions for ARCv2 HS #103

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abrodkin opened this issue Dec 9, 2022 · 0 comments
Open

Accommodate more MPU regions for ARCv2 HS #103

abrodkin opened this issue Dec 9, 2022 · 0 comments
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enhancement New feature or request

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@abrodkin
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abrodkin commented Dec 9, 2022

Even though MPU for ARC EM & ARCv2 HS (HS3x & HS4x) is very similar from functional point of view, their settings differ a little bit.
ARC EM processors only support 1, 2, 4, 8 & 16 regions (and that's what we currently have available in QEMU), while ARCv2 HS processors support 8, 16, 18, 20, 22, 24, 26, 28, 30 & 32 regions.

We need to handle that properly depending on the CPU which is being simulated.
@abrodkin abrodkin added the enhancement New feature or request label Dec 9, 2022
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