Implement read buffering. (#22)

src/peakrdl_regblock/exporter.py

@@ -17,6 +17,7 @@ from .cpuif import CpuifBase
 from .cpuif.apb4 import APB4_Cpuif
 from .hwif import Hwif
 from .write_buffering import WriteBuffering
+from .read_buffering import ReadBuffering
 
 class RegblockExporter:
     def __init__(self, **kwargs: Any) -> None:
@@ -31,7 +32,8 @@ class RegblockExporter:
         self.address_decode = AddressDecode(self)
         self.field_logic = FieldLogic(self)
         self.readback = None # type: Readback
-        self.write_buffering = None # type: WriteBuffering
+        self.write_buffering = WriteBuffering(self)
+        self.read_buffering = ReadBuffering(self)
         self.dereferencer = Dereferencer(self)
         self.min_read_latency = 0
         self.min_write_latency = 0
@@ -145,7 +147,6 @@ class RegblockExporter:
             self,
             retime_read_fanin
         )
-        self.write_buffering = WriteBuffering(self)
 
         # Validate that there are no unsupported constructs
         validator = DesignValidator(self)
@@ -161,6 +162,7 @@ class RegblockExporter:
             "cpuif": self.cpuif,
             "hwif": self.hwif,
             "write_buffering": self.write_buffering,
+            "read_buffering": self.read_buffering,
             "get_resetsignal": self.dereferencer.get_resetsignal,
             "address_decode": self.address_decode,
             "field_logic": self.field_logic,