basic framework

peakrdl/regblock/readback_mux.py

@@ -0,0 +1,29 @@
+import re
+from typing import TYPE_CHECKING, List
+
+from systemrdl.node import Node, AddressableNode, RegNode
+
+
+if TYPE_CHECKING:
+    from .exporter import RegblockExporter
+
+class ReadbackMux:
+    def __init__(self, exporter:'RegblockExporter', top_node:AddressableNode):
+        self.exporter = exporter
+        self.top_node = top_node
+
+        self._indent_level = 0
+
+
+    def get_implementation(self) -> str:
+        # TODO: Count the number of readable registers
+        # TODO: Emit the declaration for the readback array
+        # TODO: Always comb block to assign & mask all elements
+        # TODO: Separate always_comb block to OR reduce down
+        return "//TODO"
+
+
+    #---------------------------------------------------------------------------
+    @property
+    def _indent(self) -> str:
+        return "    " * self._indent_level