refactor: make pci device driver loading passive, pci bus scanner will not load them...

[lunaix-os.git] / lunaix-os / scripts / expand.py

diff --git a/lunaix-os/scripts/expand.py b/lunaix-os/scripts/expand.py
index cd621646d4b929983d56ab4dac33656b42847da9..9fe3d94969b3fdb9e6b3d6683c3fa036a23dd09e 100644 (file)
--- a/lunaix-os/scripts/expand.py
+++ b/lunaix-os/scripts/expand.py
@@ -269,42 +269,54 @@ class MemoryMapObject(DataObject):
         super().__init__("", record)
 
     def _parse(self, record):
-        if "granule" in self._record:
-            self.__g = MemoryMapObject.GranuleObject(self._record["granule"])
-        if "regions" in self._record:
-            self.__regions = ArrayObject(self._record["regions"])
-        if "width" in self._record:
-            self.__width = DataObject.create("width", self._record["width"])
-
-    def __process(self, start_addr, idx, regions, size_lookahead = False):
+        for k, v in record.items():
+            if k.startswith("$"):
+                self.ctrl_field[k.strip("$")] = FieldType.create(k, v)
+            elif k.startswith("@"):
+                self.ctrl_field[k.strip("@")] = DataObject.create(k, v)
+        
+        if "granule" in record:
+            self.__g = MemoryMapObject.GranuleObject(record["granule"])
+
+        if "regions" in record:
+            self.__regions = ArrayObject(record["regions"])
+
+        if "width" in record:
+            self.__width = DataObject.create("width", record["width"])
+
+    def __process(self, start_addr, idx, regions):
         if idx >= len(regions):
             raise Exception("Unbounded region definition")
         
         e = regions[idx]
 
-        if "boundary" in e:
-            b = e["boundary"] - 1
-            start_addr = (start_addr + b) & ~b
-
         if "start" not in e:
-            e["start"] = start_addr
-        elif e["start"] < start_addr:
+            ne = regions[idx + 1]
+            if "start" not in ne or "size" not in e:
+                e["start"] = start_addr
+            else:
+                self.__process(start_addr + e["size"], idx + 1, regions)
+                e["start"] = ne['start'] - e["size"]
+
+        if "block" in e:
+            b = e["block"] - 1
+            e["start"] = (e["start"] + b) & ~b
+
+        if e["start"] < start_addr:
             raise Exception(f"starting addr {hex(e['start'])} overrlapping with {hex(start_addr)}")
-        else:
-            start_addr = e["start"]
         
-        if "size" not in e:
-            if size_lookahead:
-                raise Exception("could not infer size from unbounded region")
-            tmp_addr = self.__process(start_addr, idx + 1, regions, size_lookahead=True)
-            e["size"] = tmp_addr - start_addr
+        start_addr = e["start"]
         
-        if not size_lookahead:
-            start_addr += e["size"]
+        if "size" not in e:
+            self.__process(start_addr, idx + 1, regions)
+            ne = regions[idx + 1]
+            e["size"] = ne['start'] - start_addr
         
-        return start_addr
+        return start_addr + e["size"]
     
     def expand(self, param={}):
+        super().expand(param)
+
         g = self.__g.expand(param)
 
         param["granule"] = g