Jason Lowe-Power has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/49346 )
Change subject: configs: Expose the MMU to the board in components
......................................................................
configs: Expose the MMU to the board in components
Change-Id: I30b4736ebe44b8429a32c8951af6e654a1238ae6
Signed-off-by: Jason Lowe-Power <[email protected]>
---
M components_library/processors/abstract_core.py
M components_library/processors/simple_core.py
2 files changed, 14 insertions(+), 1 deletion(-)
diff --git a/components_library/processors/abstract_core.py
b/components_library/processors/abstract_core.py
index 35225c1..83060db 100644
--- a/components_library/processors/abstract_core.py
+++ b/components_library/processors/abstract_core.py
@@ -28,7 +28,7 @@
from typing import Optional
from .cpu_types import CPUTypes
-from m5.objects import Port, SubSystem
+from m5.objects import BaseMMU, Port, SubSystem
class AbstractCore(SubSystem):
@@ -91,3 +91,11 @@
optional ports can be implemented as cache ports.
"""
raise NotImplementedError
+
+ @abstractmethod
+ def get_mmu(self) -> BaseMMU:
+ """ Return the MMU for this core.
+
+ This is used in the board to setup system-specific MMU settings.
+ """
+ raise NotImplementedError
diff --git a/components_library/processors/simple_core.py
b/components_library/processors/simple_core.py
index c093856..8f510e9 100644
--- a/components_library/processors/simple_core.py
+++ b/components_library/processors/simple_core.py
@@ -33,6 +33,7 @@
from ..utils.override import overrides
from m5.objects import (
+ BaseMMU,
Port,
AtomicSimpleCPU,
DerivO3CPU,
@@ -96,3 +97,7 @@
self.core.interrupts[0].pio = interrupt_requestor
self.core.interrupts[0].int_requestor = interrupt_responce
self.core.interrupts[0].int_responder = interrupt_requestor
+
+ @overrides(AbstractCore)
+ def get_mmu(self) -> BaseMMU:
+ return self.core.mmu
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: I30b4736ebe44b8429a32c8951af6e654a1238ae6
Gerrit-Change-Number: 49346
Gerrit-PatchSet: 1
Gerrit-Owner: Jason Lowe-Power <[email protected]>
Gerrit-MessageType: newchange
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