Merge branch 'dev' of github.com:VLSIDA/PrivateRAM into dev

compiler/base/route.py

@@ -62,14 +62,10 @@ class route(design):
         plist = list(pairwise(self.path))
         for p0,p1 in plist:
             if p0.z != p1.z: # via
-                # offset if not rotated
-                #via_offset = vector(p0.x+0.5*self.c.width,p0.y+0.5*self.c.height)
-                # offset if rotated
-                via_offset = vector(p0.x+0.5*self.c.height,p0.y-0.5*self.c.width)
                 via_size = [self.num_vias]*2
-                self.obj.add_via(self.layer_stack,via_offset,size=via_size,rotate=90)
+                self.obj.add_via_center(self.layer_stack,vector(p0.x,p0.y),size=via_size,rotate=90)
             elif p0.x != p1.x and p0.y != p1.y: # diagonal!
-                debug.error("Non-changing direction! {}".format(self.path))
+                debug.error("Diagonal route! {}".format(self.path),-3)
             else:
                 # this will draw an extra corner at the end but that is ok
                 self.draw_corner_wire(p1)

compiler/router/direction.py

@@ -43,11 +43,14 @@ class direction(Enum):
 
         return offset
 
-    def cardinal_directions():
-        return [direction.NORTH, direction.EAST, direction.SOUTH, direction.WEST]
+    def cardinal_directions(up_down_too=False):
+        temp_dirs = [direction.NORTH, direction.EAST, direction.SOUTH, direction.WEST]
+        if up_down_too:
+            temp_dirs.extend([direction.UP, direction.DOWN])
+        return temp_dirs
     
-    def cardinal_offsets():
-        return [direction.get_offset(d) for d in direction.cardinal_directions()]
+    def cardinal_offsets(up_down_too=False):
+        return [direction.get_offset(d) for d in direction.cardinal_directions(up_down_too)]
 
     def all_directions():
         return [direction.NORTH, direction.EAST, direction.SOUTH, direction.WEST,

compiler/router/grid_cell.py

@@ -22,6 +22,11 @@ class grid_cell:
         self.source=False
         self.target=False
 
+    def get_cost(self):
+        # We can display the cost of the frontier
+        if self.min_cost > 0:
+            return self.min_cost
+        
         
     def get_type(self):
         if self.blocked:
@@ -36,8 +41,4 @@ class grid_cell:
         if self.path:
             return "P"
 
-        # We can display the cost of the frontier
-        if self.min_cost > 0:
-            return self.min_cost
-        
         return None

compiler/router/grid_path.py

@@ -150,7 +150,7 @@ class grid_path:
 
         return cost
 
-    def expand_dirs(self,up_down_too=True):
+    def expand_dirs(self):
         """
         Expand from the end in each of the four cardinal directions plus up
         or down but not expanding to blocked cells. Expands in all
@@ -162,9 +162,7 @@ class grid_path:
         """
         neighbors = []
 
-        for d in list(direction):
-            if not up_down_too and (d==direction.UP or d==direction.DOWN):
-                continue
+        for d in direction.cardinal_directions(True):
             n = self.neighbor(d)
             if n:
                 neighbors.append(n)

compiler/router/router.py

@@ -337,7 +337,7 @@ class router(router_tech):
 
         # FIXME: These duplicate a bit of work
         # These are the paths that have already been routed.
-        self.set_path_blockages()
+        self.set_blockages(self.path_blockages)
 
         # Don't mark the other components as targets since we want to route
         # directly to a rail, but unblock all the source components so we can
@@ -404,13 +404,6 @@ class router(router_tech):
         """ Flag the blockages in the grid """
         self.rg.set_blocked(blockages, value)
 
-    def set_path_blockages(self,value=True):
-        """ Flag the paths as blockages """
-        # These are the paths that have already been routed.
-        for path_set in self.path_blockages:
-            for c in path_set:
-                self.rg.set_blocked(c,value)
-        
     def get_blockage_tracks(self, ll, ur, z):
         debug.info(3,"Converting blockage ll={0} ur={1} z={2}".format(str(ll),str(ur),z))
 
@@ -924,11 +917,13 @@ class router(router_tech):
         if path:
             debug.info(2,"Found path: cost={0} ".format(cost))
             debug.info(3,str(path))
+            
             self.paths.append(path)
+            self.add_route(path)
+            
             path_set = grid_utils.flatten_set(path)
             inflated_path = grid_utils.inflate_set(path_set,self.supply_rail_space_width)
             self.path_blockages.append(inflated_path)
-            self.add_route(path)
         else:
             self.write_debug_gds("failed_route.gds")
             # clean up so we can try a reroute
@@ -985,16 +980,30 @@ class router(router_tech):
         # midpoint offset
         off=vector((shape[1].x+shape[0].x)/2,
                    (shape[1].y+shape[0].y)/2)
-        if g[2]==1:
-            # Upper layer is upper right label
-            type_off=off+partial_track
-        else:
-            # Lower layer is lower left label
-            type_off=off-partial_track
         if t!=None:
+            if g[2]==1:
+                # Upper layer is upper right label
+                type_off=off+partial_track
+            else:
+                # Lower layer is lower left label
+                type_off=off-partial_track
             self.cell.add_label(text=str(t),
                                 layer="text",
                                 offset=type_off)
+
+        t=self.rg.map[g].get_cost()
+        partial_track=vector(self.track_width/6.0,0) 
+        if t!=None:
+            if g[2]==1:
+                # Upper layer is right label
+                type_off=off+partial_track
+            else:
+                # Lower layer is left label
+                type_off=off-partial_track
+            self.cell.add_label(text=str(t),
+                                layer="text",
+                                offset=type_off)
+            
         self.cell.add_label(text="{0},{1}".format(g[0],g[1]),
                             layer="text",
                             offset=shape[0],
@@ -1008,9 +1017,9 @@ class router(router_tech):
         """
         debug.info(0,"Adding router info")
 
-        show_blockages = True
-        show_blockage_grids = True
-        show_enclosures = True
+        show_blockages = False
+        show_blockage_grids = False
+        show_enclosures = False
         show_all_grids = True
         
         if show_all_grids: