mirror of https://github.com/VLSIDA/OpenRAM.git
Local bitcell array edits. Skip test by default.
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@ -12,7 +12,7 @@ from tech import cell_properties
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class bitcell_base_array(design.design):
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class bitcell_base_array(design.design):
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"""
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"""
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Abstract base class for bitcell-arrays -- bitcell, dummy
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Abstract base class for bitcell-arrays -- bitcell, dummy, replica
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"""
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"""
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def __init__(self, name, rows, cols, column_offset):
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def __init__(self, name, rows, cols, column_offset):
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design.design.__init__(self, name)
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design.design.__init__(self, name)
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@ -5,19 +5,27 @@
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# (acting for and on behalf of Oklahoma State University)
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# (acting for and on behalf of Oklahoma State University)
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# All rights reserved.
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# All rights reserved.
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#
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#
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from bitcell_base_array import bitcell_base_array
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import design
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from globals import OPTS
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from globals import OPTS
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from sram_factory import factory
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from sram_factory import factory
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class local_bitcell_array(bitcell_base_array):
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class local_bitcell_array(design.design):
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"""
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"""
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A local bitcell array is a bitcell array with a wordline driver.
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A local bitcell array is a bitcell array with a wordline driver.
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This can either be a single aray on its own if there is no hierarchical WL
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This can either be a single aray on its own if there is no hierarchical WL
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or it can be combined into a larger array with hierarchical WL.
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or it can be combined into a larger array with hierarchical WL.
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"""
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"""
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def __init__(self, name, rows, cols):
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def __init__(self, rows, cols, ports, left_rbl=0, right_rbl=0, name=""):
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super().__init__(name=name, rows=rows, cols=cols, column_offset=0)
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design.design.__init__(self, name)
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debug.info(2, "create sram of size {0} with {1} words".format(self.word_size,
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self.num_words))
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self.rows = rows
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self.cols = cols
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self.left_rbl = left_rbl
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self.right_rbl = right_rbl
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self.all_ports = ports
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self.create_netlist()
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self.create_netlist()
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if not OPTS.netlist_only:
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if not OPTS.netlist_only:
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@ -48,23 +56,27 @@ class local_bitcell_array(bitcell_base_array):
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# This is just used for names
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# This is just used for names
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self.cell = factory.create(module_type="bitcell")
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self.cell = factory.create(module_type="bitcell")
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self.bitcell_array = factory.create(module_type="bitcell_array",
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self.bitcell_array = factory.create(module_type="replica_bitcell_array",
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rows=self.row_size,
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cols=self.cols,
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cols=self.column_size)
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rows=self.rows,
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left_rbl=self.left_rbl,
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right_rbl=self.right_rbl,
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bitcell_ports=self.all_ports)
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self.add_mod(self.bitcell_array)
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self.add_mod(self.bitcell_array)
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self.wl_array = factory.create(module_type="wordline_buffer_array",
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self.wl_array = factory.create(module_type="wordline_buffer_array",
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rows=self.row_size,
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rows=self.rows,
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cols=self.column_size)
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cols=self.cols)
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self.add_mod(self.wl_array)
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self.add_mod(self.wl_array)
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def create_instances(self):
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def create_instances(self):
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""" Create the module instances used in this design """
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""" Create the module instances used in this design """
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self.array_inst = self.add_inst(mod=self.bitcell_array)
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self.wl_inst = self.add_inst(mod=self.wl_array)
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self.connect_inst(self.pins)
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self.array_inst = self.add_inst(mod=self.bitcell_array,
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offset=self.wl_inst.lr())
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self.connect_inst(self.pins)
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self.connect_inst(self.pins)
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#wl_names = self.get_
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self.wl_inst = self.add_inst(mod=self.wl_array,
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offset=self.bitcell_inst.lr())
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self.connect_inst(self.get_bitcell_pins(row, col))
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@ -15,7 +15,7 @@ from globals import OPTS
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from sram_factory import factory
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from sram_factory import factory
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import debug
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import debug
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@unittest.skip("SKIPPING 05_local_bitcell_array_test")
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class local_bitcell_array_test(openram_test):
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class local_bitcell_array_test(openram_test):
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def runTest(self):
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def runTest(self):
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