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Update modules to use variable bit offsets.

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Bitcell arrays can return the bit offsets.
Port data and submodules can use offsets for spacing.
Default spacing for port data if no offsets given.
This commit is contained in:
mrg
2020-09-11 15:36:22 -07:00
parent c58741c44f
commit 8909ad7165
11 changed files with 116 additions and 47 deletions
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compiler/modules/local_bitcell_array.py
+12 -5
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@@ -244,14 +244,21 @@ class local_bitcell_array(bitcell_base_array.bitcell_base_array):
self.add_path(out_pin.layer, [out_loc, mid_loc, in_loc])
def get_main_array_top(self):
return self.bitcell_array_inst.offset.y + self.bitcell_array.get_main_array_top()
return self.bitcell_array_inst.by() + self.bitcell_array.get_main_array_top()
def get_main_array_bottom(self):
return self.bitcell_array_inst.offset.y + self.bitcell_array.get_main_array_bottom()
return self.bitcell_array_inst.by() + self.bitcell_array.get_main_array_bottom()
def get_main_array_left(self):
return self.bitcell_array_inst.offset.x + self.bitcell_array.get_main_array_left()
return self.bitcell_array_inst.lx() + self.bitcell_array.get_main_array_left()
def get_main_array_right(self):
return self.bitcell_array_inst.offset.x + self.bitcell_array.get_main_array_right()
return self.bitcell_array_inst.lx() + self.bitcell_array.get_main_array_right()
def get_column_offsets(self):
"""
Return an array of the x offsets of all the regular bits
"""
# must add the offset of the instance
return [self.bitcell_array_inst.lx() + x for x in self.bitcell_array.get_column_offsets()]