Gabe Black has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/52489 )
Change subject: cpu: Set up _*_ports values in BaseCPU in __init__.
......................................................................
cpu: Set up _*_ports values in BaseCPU in __init__.
This means that if ArchMMU came from the CPU class itself, subclasses
would have a chance to define their own version before the BaseCPU
method consumed it.
The intention is that Arch* *will* be defined in subclasses in later
changes, which will make this more important.
Change-Id: Ib20d5b10aeb26d33840cca4b5a1085d9c73f10de
---
M src/cpu/BaseCPU.py
1 file changed, 32 insertions(+), 6 deletions(-)
diff --git a/src/cpu/BaseCPU.py b/src/cpu/BaseCPU.py
index 72a5fe3..994ec1c 100644
--- a/src/cpu/BaseCPU.py
+++ b/src/cpu/BaseCPU.py
@@ -172,14 +172,8 @@
dcache_port = RequestPort("Data Port")
_cached_ports = ['icache_port', 'dcache_port']
- _cached_ports += ArchMMU.walkerPorts()
-
_uncached_interrupt_response_ports = []
_uncached_interrupt_request_ports = []
- if buildEnv['TARGET_ISA'] == 'x86':
- _uncached_interrupt_response_ports += ["interrupts[0].pio",
- "interrupts[0].int_responder"]
- _uncached_interrupt_request_ports +=
["interrupts[0].int_requestor"]
def createInterruptController(self):
self.interrupts = [ArchInterrupts() for i in
range(self.numThreads)]
@@ -301,3 +295,19 @@
def __init__(self, **kwargs):
super(BaseCPU, self).__init__(**kwargs)
self.power_state.possible_states=['ON', 'CLK_GATED', 'OFF']
+
+ self._cached_ports = self._cached_ports + ArchMMU.walkerPorts()
+
+ # Practically speaking, these ports will exist on the x86 interrupt
+ # controller class.
+ if "pio" in ArchInterrupts._ports:
+ self._uncached_interrupt_response_ports = \
+ self._uncached_interrupt_response_ports +
["interrupts[0].pio"]
+ if "int_responder" in ArchInterrupts._ports:
+ self._uncached_interrupt_response_ports = \
+ self._uncached_interrupt_response_ports + [
+ "interrupts[0].int_responder"]
+ if "int_requestor" in ArchInterrupts._ports:
+ self._uncached_interrupt_request_ports = \
+ self._uncached_interrupt_request_ports + [
+ "interrupts[0].int_requestor"]
--
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Gerrit-Project: public/gem5
Gerrit-Branch: develop
Gerrit-Change-Id: Ib20d5b10aeb26d33840cca4b5a1085d9c73f10de
Gerrit-Change-Number: 52489
Gerrit-PatchSet: 1
Gerrit-Owner: Gabe Black <[email protected]>
Gerrit-MessageType: newchange
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