adding WIP memory_pipe_experiment

[soc.git] / src / soc / memory_pipe_experiment / config.py

diff --git a/src/soc/memory_pipe_experiment/config.py b/src/soc/memory_pipe_experiment/config.py
index 4a975192a362667c271efae6964002916e9f456b..76c02947cbfb2130743cad76387abb87b5aa26cf 100644 (file)
--- a/src/soc/memory_pipe_experiment/config.py
+++ b/src/soc/memory_pipe_experiment/config.py
@@ -2,10 +2,32 @@ class MemoryPipeConfig:
     def __init__(self, *,
                  bytes_per_cache_line=32,
                  l1_way_count=8,
-                 l1_set_count=64):
+                 l1_set_count=64,
+                 fu_op_id_shape=range(32),
+                 fu_op_id_nop_value=0,
+                 physical_address_bits=48,
+                 memory_queue_chunk_size=4,
+                 memory_queue_entry_count=8):
         self.bytes_per_cache_line = bytes_per_cache_line
         self.l1_way_count = l1_way_count
         self.l1_set_count = l1_set_count
+        self.fu_op_id_shape = fu_op_id_shape
+        self.fu_op_id_nop_value = fu_op_id_nop_value
+        self.physical_address_bits = physical_address_bits
+        self.memory_queue_chunk_size = memory_queue_chunk_size
+        self.memory_queue_entry_count = memory_queue_entry_count
+
+    def memory_queue_chunk_entries_start_index(self, chunk_index):
+        """ entry index of the first memory queue entry in the chunk `chunk_index`. """
+        return self.memory_queue_chunk_size * chunk_index
+
+    def memory_queue_entry_index(self, chunk_index, index_in_chunk):
+        return self.memory_queue_chunk_size * chunk_index + index_in_chunk
+
+    def memory_queue_chunk_entries_end_index(self, chunk_index):
+        """ one past the end entry index for in the chunk `chunk_index`. """
+        v = self.memory_queue_chunk_size * (chunk_index + 1)
+        return min(v, self.memory_queue_entry_count)
 
     @property
     def l1_line_count(self):
@@ -18,3 +40,7 @@ class MemoryPipeConfig:
     @property
     def bits_per_cache_line(self):
         return 8 * self.bytes_per_cache_line
+
+    @property
+    def memory_queue_chunk_count(self):
+        return self.memory_queue_entry_count // self.memory_queue_chunk_size