52 lines
1.5 KiB
Python
52 lines
1.5 KiB
Python
from typing import TYPE_CHECKING
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from systemrdl.walker import WalkerAction
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from .forloop_generator import RDLForLoopGenerator
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if TYPE_CHECKING:
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from .exporter import RegblockExporter
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from systemrdl.node import AddressableNode
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class ExternalWriteAckGenerator(RDLForLoopGenerator):
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def __init__(self, exp: 'RegblockExporter') -> None:
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super().__init__()
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self.exp = exp
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def get_implementation(self) -> str:
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content = self.get_content(self.exp.top_node)
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if content is None:
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return ""
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return content
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def enter_AddressableComponent(self, node: 'AddressableNode') -> WalkerAction:
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super().enter_AddressableComponent(node)
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if node.external:
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self.add_content(f"wr_ack |= {self.exp.hwif.get_external_wr_ack(node)};")
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return WalkerAction.SkipDescendants
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return WalkerAction.Continue
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class ExternalReadAckGenerator(RDLForLoopGenerator):
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def __init__(self, exp: 'RegblockExporter') -> None:
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super().__init__()
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self.exp = exp
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def get_implementation(self) -> str:
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content = self.get_content(self.exp.top_node)
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if content is None:
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return ""
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return content
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def enter_AddressableComponent(self, node: 'AddressableNode') -> WalkerAction:
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super().enter_AddressableComponent(node)
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if node.external:
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self.add_content(f"rd_ack |= {self.exp.hwif.get_external_rd_ack(node)};")
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return WalkerAction.SkipDescendants
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return WalkerAction.Continue
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