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https://github.com/VLSIDA/OpenRAM.git
synced 2026-09-07 11:21:14 +02:00
pull bitline labels to top level spice
This commit is contained in:
Jesse Cirimelli-Low
+67
-55
@@ -255,13 +255,64 @@ class instance(geometry):
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p.transform(self.offset,self.mirror,self.rotate)
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new_pins.append(p)
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return new_pins
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def calculate_transform(self, node):
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#set up the rotation matrix
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angle = math.radians(float(node.rotate))
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mRotate = np.array([[math.cos(angle),-math.sin(angle),0.0],
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[math.sin(angle),math.cos(angle),0.0],
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[0.0,0.0,1.0]])
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def reverse_transformation(self, cell_name):
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#set up translation matrix
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translateX = float(node.offset[0])
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translateY = float(node.offset[1])
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mTranslate = np.array([[1.0,0.0,translateX],
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[0.0,1.0,translateY],
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[0.0,0.0,1.0]])
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#set up the scale matrix (handles mirror X)
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scaleX = 1.0
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if(node.mirror == 'MX'):
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scaleY = -1.0
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else:
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scaleY = 1.0
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mScale = np.array([[scaleX,0.0,0.0],
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[0.0,scaleY,0.0],
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[0.0,0.0,1.0]])
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return (mRotate, mScale, mTranslate)
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def apply_transform(self, mtransforms, uVector, vVector, origin):
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origin = np.dot(mtransforms[0], origin) #rotate
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uVector = np.dot(mtransforms[0], uVector) #rotate
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vVector = np.dot(mtransforms[0], vVector) #rotate
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origin = np.dot(mtransforms[1], origin) #scale
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uVector = np.dot(mtransforms[1], uVector) #scale
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vVector = np.dot(mtransforms[1], vVector) #scale
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origin = np.dot(mtransforms[2], origin)
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return(uVector, vVector, origin)
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def apply_path_transform(self, path):
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uVector = np.array([[1.0],[0.0],[0.0]])
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vVector = np.array([[0.0],[1.0],[0.0]])
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origin = np.array([[0.0],[0.0],[1.0]])
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while(path):
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instance = path.pop(-1)
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mtransforms = self.calculate_transform(instance)
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(uVector, vVector, origin) = self.apply_transform(mtransforms, uVector, vVector, origin)
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return (uVector, vVector, origin)
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def reverse_transformation_bitcell(self, cell_name):
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path = []
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cell_paths = []
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pex_offsets = []
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origin_offsets = []
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Q_offsets = []
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Q_bar_offsets = []
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bl_offsets = []
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br_offsets = []
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def walk_subtree(node):
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path.append(node)
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@@ -270,6 +321,7 @@ class instance(geometry):
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cell_paths.append(copy.copy(path))
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normalized_storage_nets = node.mod.get_normalized_storage_nets_offset()
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normalized_bitline_nets = node.mod.get_normalized_bitline_offset()
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Q_x = normalized_storage_nets[0][0]
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Q_y = normalized_storage_nets[0][1]
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@@ -277,75 +329,35 @@ class instance(geometry):
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Q_bar_x = normalized_storage_nets[1][0]
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Q_bar_y = normalized_storage_nets[1][1]
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bl_x = normalized_bitline_nets[0][0]
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bl_y = normalized_bitline_nets[0][1]
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br_x = normalized_bitline_nets[1][0]
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br_y = normalized_bitline_nets[1][1]
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if node.mirror == 'MX':
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Q_y = -1 * Q_y
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Q_bar_y = -1 * Q_bar_y
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bl_y = -1 * bl_y
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br_y = -1 * br_y
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Q_offsets.append([Q_x, Q_y])
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Q_bar_offsets.append([Q_bar_x, Q_bar_y])
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bl_offsets.append([bl_x, bl_y])
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br_offsets.append([br_x, br_y])
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elif node.mod.insts is not []:
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for instance in node.mod.insts:
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walk_subtree(instance)
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path.pop(-1)
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def calculate_transform(node):
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#set up the rotation matrix
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angle = math.radians(float(node.rotate))
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mRotate = np.array([[math.cos(angle),-math.sin(angle),0.0],
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[math.sin(angle),math.cos(angle),0.0],
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[0.0,0.0,1.0]])
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#set up translation matrix
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translateX = float(node.offset[0])
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translateY = float(node.offset[1])
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mTranslate = np.array([[1.0,0.0,translateX],
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[0.0,1.0,translateY],
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[0.0,0.0,1.0]])
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#set up the scale matrix (handles mirror X)
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scaleX = 1.0
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if(node.mirror == 'MX'):
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scaleY = -1.0
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else:
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scaleY = 1.0
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mScale = np.array([[scaleX,0.0,0.0],
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[0.0,scaleY,0.0],
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[0.0,0.0,1.0]])
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return (mRotate, mScale, mTranslate)
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def apply_transform(mtransforms, uVector, vVector, origin):
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origin = np.dot(mtransforms[0], origin) #rotate
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uVector = np.dot(mtransforms[0], uVector) #rotate
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vVector = np.dot(mtransforms[0], vVector) #rotate
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origin = np.dot(mtransforms[1], origin) #scale
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uVector = np.dot(mtransforms[1], uVector) #scale
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vVector = np.dot(mtransforms[1], vVector) #scale
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origin = np.dot(mtransforms[2], origin)
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return(uVector, vVector, origin)
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def apply_path_transform(path):
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uVector = np.array([[1.0],[0.0],[0.0]])
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vVector = np.array([[0.0],[1.0],[0.0]])
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origin = np.array([[0.0],[0.0],[1.0]])
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while(path):
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instance = path.pop(-1)
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mtransforms = calculate_transform(instance)
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(uVector, vVector, origin) = apply_transform(mtransforms, uVector, vVector, origin)
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return (uVector, vVector, origin)
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walk_subtree(self)
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for path in cell_paths:
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vector_spaces = apply_path_transform(path)
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vector_spaces = self.apply_path_transform(path)
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origin = vector_spaces[2]
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pex_offsets.append([origin[0], origin[1]])
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origin_offsets.append([origin[0], origin[1]])
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return(pex_offsets, Q_offsets, Q_bar_offsets)
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return(origin_offsets, Q_offsets, Q_bar_offsets, bl_offsets, br_offsets)
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def __str__(self):
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""" override print function output """
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