Merge branch 'refactoring' into dev
This commit is contained in:
commit
671b21cbde
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@ -73,6 +73,13 @@ void rec_build_vpr_pb_graph_interconnect_physical_type_annotation(t_pb_graph_nod
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/* For each interconnect that has more than 1 input, we can infer the physical type */
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for (t_interconnect* interc : pb_mode_interconnects(child_physical_mode)) {
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/* If the number inputs for an interconnect is zero, this is a 0-driver pin
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* we just set 1 to use direct wires
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*/
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if (0 == interc_num_inputs[interc]) {
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interc_num_inputs[interc] = 1;
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}
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e_interconnect interc_physical_type = pb_interconnect_physical_type(interc, interc_num_inputs[interc]);
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if (interc_physical_type == vpr_pb_type_annotation.interconnect_physical_type(interc)) {
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/* Skip annotation if we have already done! */
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@ -383,7 +390,7 @@ void rec_build_vpr_physical_pb_graph_node_annotation(t_pb_graph_node* pb_graph_n
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* (size_t)vpr_pb_type_annotation.pb_graph_node_unique_index(pb_graph_node)
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+ vpr_pb_type_annotation.physical_pb_type_index_offset(pb_graph_node->pb_type)
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);
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t_pb_graph_node* physical_pb_graph_node = vpr_pb_type_annotation.pb_graph_node(pb_graph_node->pb_type, physical_pb_graph_node_id);
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t_pb_graph_node* physical_pb_graph_node = vpr_pb_type_annotation.pb_graph_node(physical_pb_type, physical_pb_graph_node_id);
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VTR_ASSERT(nullptr != physical_pb_graph_node);
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vpr_pb_type_annotation.add_physical_pb_graph_node(pb_graph_node, physical_pb_graph_node);
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@ -220,7 +220,7 @@ bool pair_operating_and_physical_pb_types(t_pb_type* operating_pb_type,
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return false;
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}
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/* If the port range does not match, mapping fails */
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if (false == expected_physical_pb_port.contained(BasicPort(physical_pb_port->name, physical_pb_port->num_pins))) {
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if (false == BasicPort(physical_pb_port->name, physical_pb_port->num_pins).contained(expected_physical_pb_port)) {
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return false;
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}
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/* Now, port mapping should succeed, we update the vpr_pb_type_annotation
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@ -337,7 +337,6 @@ void build_vpr_physical_pb_type_explicit_annotation(const DeviceContext& vpr_dev
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VTR_LOG_ERROR("Unable to pair the operating pb_type '%s' to its physical pb_type '%s'!\n",
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target_op_pb_type_names.back().c_str(),
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target_phy_pb_type_names.back().c_str());
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return;
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}
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}
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}
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@ -0,0 +1,265 @@
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<!-- Architecture annotation for OpenFPGA framework
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This annotation supports the k6_N10_40nm.xml
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- General purpose logic block
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- K = 6, N = 10, I = 40
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- Single mode
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- Routing architecture
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- L = 4, fc_in = 0.15, fc_out = 0.1
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-->
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<openfpga_architecture>
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<technology_library>
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<device_library>
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<device_model name="logic" type="transistor">
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<lib type="industry" corner="TOP_TT" ref="M" path="${OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.pm"/>
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<design vdd="0.9" pn_ratio="2"/>
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<pmos name="pch" chan_length="40e-9" min_width="140e-9" variation="logic_transistor_var"/>
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<nmos name="nch" chan_length="40e-9" min_width="140e-9" variation="logic_transistor_var"/>
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</device_model>
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<device_model name="io" type="transistor">
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<lib type="academia" ref="M" path="${OPENFPGA_PATH}/openfpga_flow/tech/PTM_45nm/45nm.pm"/>
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<design vdd="2.5" pn_ratio="3"/>
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<pmos name="pch_25" chan_length="270e-9" min_width="320e-9" variation="io_transistor_var"/>
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<nmos name="nch_25" chan_length="270e-9" min_width="320e-9" variation="io_transistor_var"/>
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</device_model>
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</device_library>
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<variation_library>
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<variation name="logic_transistor_var" abs_deviation="0.1" num_sigma="3"/>
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<variation name="io_transistor_var" abs_deviation="0.1" num_sigma="3"/>
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</variation_library>
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</technology_library>
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<circuit_library>
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<circuit_model type="inv_buf" name="INVTX1" prefix="INVTX1" is_default="true">
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<design_technology type="cmos" topology="inverter" size="1"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="inv_buf" name="buf4" prefix="buf4" is_default="false">
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<design_technology type="cmos" topology="buffer" size="1" num_level="2" f_per_stage="4"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
|
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<circuit_model type="inv_buf" name="tap_buf4" prefix="tap_buf4" is_default="false">
|
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<design_technology type="cmos" topology="buffer" size="1" num_level="3" f_per_stage="4"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in" out_port="out">
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10e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="gate" name="OR2" prefix="OR2" is_default="true">
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<design_technology type="cmos" topology="OR"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="a" size="1"/>
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<port type="input" prefix="b" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="a b" out_port="out">
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10e-12 5e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="a b" out_port="out">
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10e-12 5e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="pass_gate" name="TGATE" prefix="TGATE" is_default="true">
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<design_technology type="cmos" topology="transmission_gate" nmos_size="1" pmos_size="2"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="in" size="1"/>
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<port type="input" prefix="sel" size="1"/>
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<port type="input" prefix="selb" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<delay_matrix type="rise" in_port="in sel selb" out_port="out">
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10e-12 5e-12 5e-12
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</delay_matrix>
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<delay_matrix type="fall" in_port="in sel selb" out_port="out">
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10e-12 5e-12 5e-12
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</delay_matrix>
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</circuit_model>
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<circuit_model type="chan_wire" name="chan_segment" prefix="track_seg" is_default="true">
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<design_technology type="cmos"/>
|
||||
<input_buffer exist="false"/>
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<output_buffer exist="false"/>
|
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<wire_param model_type="pi" R="101" C="22.5e-15" num_level="1"/> <!-- model_type could be T, res_val and cap_val DON'T CARE -->
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</circuit_model>
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<circuit_model type="wire" name="direct_interc" prefix="direct_interc" is_default="true">
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<design_technology type="cmos"/>
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<input_buffer exist="false"/>
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<output_buffer exist="false"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<wire_param model_type="pi" R="0" C="0" num_level="1"/> <!-- model_type could be T, res_val cap_val should be defined -->
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</circuit_model>
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<circuit_model type="mux" name="mux_2level" prefix="mux_2level" dump_structural_verilog="true">
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<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1"/>
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
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<!--mux2to1 subckt_name="mux2to1"/-->
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="1"/>
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
|
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</circuit_model>
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<circuit_model type="mux" name="mux_2level_tapbuf" prefix="mux_2level_tapbuf" dump_structural_verilog="true">
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<design_technology type="cmos" structure="multi_level" num_level="2" add_const_input="true" const_input_val="1"/>
|
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="tap_buf4"/>
|
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<!--mux2to1 subckt_name="mux2to1"/-->
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<pass_gate_logic circuit_model_name="TGATE"/>
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<port type="input" prefix="in" size="1"/>
|
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
|
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</circuit_model>
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<circuit_model type="mux" name="mux_1level_tapbuf" prefix="mux_1level_tapbuf" is_default="true" dump_structural_verilog="true">
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<design_technology type="cmos" structure="one_level" add_const_input="true" const_input_val="1"/>
|
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
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<output_buffer exist="true" circuit_model_name="tap_buf4"/>
|
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<!--mux2to1 subckt_name="mux2to1"/-->
|
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<pass_gate_logic circuit_model_name="TGATE"/>
|
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<port type="input" prefix="in" size="1"/>
|
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<port type="output" prefix="out" size="1"/>
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<port type="sram" prefix="sram" size="1"/>
|
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</circuit_model>
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<!--DFF subckt ports should be defined as <D> <Q> <CLK> <RESET> <SET> -->
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<circuit_model type="ff" name="static_dff" prefix="dff" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/ff.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/ff.v">
|
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<design_technology type="cmos"/>
|
||||
<input_buffer exist="true" circuit_model_name="INVTX1"/>
|
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
|
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<pass_gate_logic circuit_model_name="TGATE"/>
|
||||
<port type="input" prefix="D" size="1"/>
|
||||
<port type="input" prefix="set" size="1" is_global="true" default_val="0" is_set="true"/>
|
||||
<port type="input" prefix="reset" size="1" is_global="true" default_val="0" is_reset="true"/>
|
||||
<port type="output" prefix="Q" size="1"/>
|
||||
<port type="clock" prefix="clk" size="1" is_global="true" default_val="0" />
|
||||
</circuit_model>
|
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<circuit_model type="lut" name="frac_lut6" prefix="frac_lut6" dump_structural_verilog="true">
|
||||
<design_technology type="cmos"/>
|
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<input_buffer exist="true" circuit_model_name="INVTX1"/>
|
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<output_buffer exist="true" circuit_model_name="INVTX1"/>
|
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<lut_input_inverter exist="true" circuit_model_name="INVTX1"/>
|
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<lut_input_buffer exist="true" circuit_model_name="buf4"/>
|
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<lut_intermediate_buffer exist="true" circuit_model_name="buf4" location_map="-1-1-"/>
|
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<pass_gate_logic circuit_model_name="TGATE"/>
|
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<port type="input" prefix="in" size="6" tri_state_map="----11" circuit_model_name="OR2"/>
|
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<port type="output" prefix="lut5_out" size="2" lut_frac_level="5" lut_output_mask="0,1"/>
|
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<port type="output" prefix="lut6_out" size="1" lut_output_mask="0"/>
|
||||
<port type="sram" prefix="sram" size="64"/>
|
||||
<port type="sram" prefix="mode" size="1" mode_select="true" circuit_model_name="sc_dff_compact" default_val="1"/>
|
||||
</circuit_model>
|
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<!--Scan-chain DFF subckt ports should be defined as <D> <Q> <Qb> <CLK> <RESET> <SET> -->
|
||||
<circuit_model type="ccff" name="sc_dff_compact" prefix="scff" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/ff.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/ff.v">
|
||||
<design_technology type="cmos"/>
|
||||
<input_buffer exist="true" circuit_model_name="INVTX1"/>
|
||||
<output_buffer exist="true" circuit_model_name="INVTX1"/>
|
||||
<pass_gate_logic circuit_model_name="TGATE"/>
|
||||
<port type="input" prefix="pReset" size="1" is_global="true" default_val="0" is_reset="true" is_prog="true"/>
|
||||
<port type="input" prefix="D" size="1"/>
|
||||
<port type="output" prefix="Q" size="1"/>
|
||||
<port type="output" prefix="Qb" size="1"/>
|
||||
<port type="clock" prefix="prog_clk" size="1" is_global="true" default_val="0" is_prog="true"/>
|
||||
</circuit_model>
|
||||
<circuit_model type="iopad" name="iopad" prefix="iopad" spice_netlist="${OPENFPGA_PATH}/openfpga_flow/SpiceNetlists/io.sp" verilog_netlist="${OPENFPGA_PATH}/openfpga_flow/VerilogNetlists/io.v">
|
||||
<design_technology type="cmos"/>
|
||||
<input_buffer exist="true" circuit_model_name="INVTX1"/>
|
||||
<output_buffer exist="true" circuit_model_name="INVTX1"/>
|
||||
<pass_gate_logic circuit_model_name="TGATE"/>
|
||||
<port type="inout" prefix="pad" size="1"/>
|
||||
<port type="sram" prefix="en" size="1" mode_select="true" circuit_model_name="sc_dff_compact" default_val="1"/>
|
||||
<port type="input" prefix="outpad" size="1"/>
|
||||
<port type="output" prefix="inpad" size="1"/>
|
||||
</circuit_model>
|
||||
</circuit_library>
|
||||
<configuration_protocol>
|
||||
<organization type="scan_chain" circuit_model_name="sc_dff_compact"/>
|
||||
</configuration_protocol>
|
||||
<connection_block>
|
||||
<switch name="ipin_cblock" circuit_model_name="mux_2level_tapbuf"/>
|
||||
</connection_block>
|
||||
<switch_block>
|
||||
<switch name="0" circuit_model_name="mux_2level_tapbuf"/>
|
||||
</switch_block>
|
||||
<routing_segment>
|
||||
<segment name="L4" circuit_model_name="chan_segment"/>
|
||||
</routing_segment>
|
||||
<pb_type_annotations>
|
||||
<!-- physical pb_type binding in complex block IO -->
|
||||
<pb_type name="io" physical_mode_name="physical" idle_mode_name="inpad"/>
|
||||
<pb_type name="io[physical].iopad" circuit_model_name="iopad" mode_bits="1"/>
|
||||
<pb_type name="io[inpad].inpad" physical_pb_type_name="io[physical].iopad" mode_bits="1"/>
|
||||
<pb_type name="io[outpad].outpad" physical_pb_type_name="io[physical].iopad" mode_bits="0"/>
|
||||
<!-- End physical pb_type binding in complex block IO -->
|
||||
|
||||
<!-- physical pb_type binding in complex block CLB -->
|
||||
<!-- physical mode will be the default mode if not specified -->
|
||||
<pb_type name="clb">
|
||||
<!-- Binding interconnect to circuit models as their physical implementation, if not defined, we use the default model -->
|
||||
<interconnect name="crossbar" circuit_model_name="mux_2level"/>
|
||||
</pb_type>
|
||||
<pb_type name="clb.fle" physical_mode_name="physical"/>
|
||||
<pb_type name="clb.fle[physical].fabric.frac_logic.frac_lut6" circuit_model_name="frac_lut6" mode_bits="0"/>
|
||||
<pb_type name="clb.fle[physical].fabric.ff" circuit_model_name="static_dff"/>
|
||||
<!-- Binding operating pb_type to physical pb_type -->
|
||||
<pb_type name="clb.fle[n2_lut5].lut5inter.ble5.lut5" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut6" mode_bits="1" physical_pb_type_index_factor="0.5">
|
||||
<!-- Binding the lut5 to the first 5 inputs of fracturable lut6 -->
|
||||
<port name="in" physical_mode_port="in[0:4]"/>
|
||||
<port name="out" physical_mode_port="lut5_out" physical_mode_pin_rotate_offset="1"/>
|
||||
</pb_type>
|
||||
<pb_type name="clb.fle[n2_lut5].lut5inter.ble5.ff" physical_pb_type_name="clb.fle[physical].fabric.ff"/>
|
||||
<pb_type name="clb.fle[n1_lut6].ble6.lut6" physical_pb_type_name="clb.fle[physical].fabric.frac_logic.frac_lut6" mode_bits="0">
|
||||
<!-- Binding the lut6 to the first 6 inputs of fracturable lut6 -->
|
||||
<port name="in" physical_mode_port="in[0:5]"/>
|
||||
<port name="out" physical_mode_port="lut6_out"/>
|
||||
</pb_type>
|
||||
<pb_type name="clb.fle[n1_lut6].ble6.ff" physical_pb_type_name="clb.fle[physical].fabric.ff" physical_pb_type_index_factor="2" physical_pb_type_index_offset="1"/>
|
||||
<!-- End physical pb_type binding in complex block IO -->
|
||||
</pb_type_annotations>
|
||||
</openfpga_architecture>
|
||||
<openfpga_simulation_setting>
|
||||
<clock_setting>
|
||||
<operating frequency="200e6" num_cycles="auto" slack="0.2"/>
|
||||
<programming frequency="10e6"/>
|
||||
</clock_setting>
|
||||
<simulator_option>
|
||||
<operating_condition temperature="25"/>
|
||||
<output_log verbose="false" captab="false"/>
|
||||
<accuracy type="abs" value="1e-13"/>
|
||||
<runtime fast_simulation="true"/>
|
||||
</simulator_option>
|
||||
<monte_carlo num_simulation_points="2"/>
|
||||
<measurement_setting>
|
||||
<slew>
|
||||
<rise upper_thres_pct="0.95" lower_thres_pct="0.05"/>
|
||||
<fall upper_thres_pct="0.05" lower_thres_pct="0.95"/>
|
||||
</slew>
|
||||
<delay>
|
||||
<rise input_thres_pct="0.5" output_thres_pct="0.5"/>
|
||||
<fall input_thres_pct="0.5" output_thres_pct="0.5"/>
|
||||
</delay>
|
||||
</measurement_setting>
|
||||
<stimulus>
|
||||
<clock>
|
||||
<rise slew_type="abs" slew_time="20e-12" />
|
||||
<fall slew_type="abs" slew_time="20e-12" />
|
||||
</clock>
|
||||
<input>
|
||||
<rise slew_type="abs" slew_time="25e-12" />
|
||||
<fall slew_type="abs" slew_time="25e-12" />
|
||||
</input>
|
||||
</stimulus>
|
||||
</openfpga_simulation_setting>
|
|
@ -0,0 +1,14 @@
|
|||
# Run VPR for the s298 design
|
||||
vpr ./test_vpr_arch/k6_frac_N10_40nm.xml ./test_blif/s298.blif
|
||||
|
||||
# Read OpenFPGA architecture definition
|
||||
read_openfpga_arch -f ./test_openfpga_arch/k6_frac_N10_40nm_openfpga.xml
|
||||
|
||||
# Annotate the OpenFPGA architecture to VPR data base
|
||||
link_openfpga_arch
|
||||
|
||||
# Check and correct any naming conflicts in the BLIF netlist
|
||||
check_netlist_naming_conflict --fix --report ./netlist_renaming.xml
|
||||
|
||||
# Finish and exit OpenFPGA
|
||||
exit
|
|
@ -24,6 +24,25 @@
|
|||
that describe them.
|
||||
-->
|
||||
<models>
|
||||
<!-- A virtual model for I/O to be used in the physical mode of io block -->
|
||||
<model name="io">
|
||||
<input_ports>
|
||||
<port name="outpad"/>
|
||||
</input_ports>
|
||||
<output_ports>
|
||||
<port name="inpad"/>
|
||||
</output_ports>
|
||||
</model>
|
||||
<!-- A virtual model for I/O to be used in the physical mode of io block -->
|
||||
<model name="frac_lut6">
|
||||
<input_ports>
|
||||
<port name="in"/>
|
||||
</input_ports>
|
||||
<output_ports>
|
||||
<port name="lut5_out"/>
|
||||
<port name="lut6_out"/>
|
||||
</output_ports>
|
||||
</model>
|
||||
</models>
|
||||
<tiles>
|
||||
<tile name="io" capacity="8" area="0">
|
||||
|
@ -127,6 +146,24 @@
|
|||
<input name="outpad" num_pins="1"/>
|
||||
<output name="inpad" num_pins="1"/>
|
||||
<clock name="clock" num_pins="1"/>
|
||||
<!-- A mode denotes the physical implementation of an I/O
|
||||
This mode will be not packable but is mainly used for fabric verilog generation
|
||||
-->
|
||||
<mode name="physical" disabled_in_pack="true">
|
||||
<pb_type name="iopad" blif_model=".subckt io" num_pb="1">
|
||||
<input name="outpad" num_pins="1"/>
|
||||
<output name="inpad" num_pins="1"/>
|
||||
</pb_type>
|
||||
<interconnect>
|
||||
<direct name="outpad" input="io.outpad" output="iopad.outpad">
|
||||
<delay_constant max="1.394e-11" in_port="io.outpad" out_port="iopad.outpad"/>
|
||||
</direct>
|
||||
<direct name="inpad" input="iopad.inpad" output="io.inpad">
|
||||
<delay_constant max="4.243e-11" in_port="iopad.inpad" out_port="io.inpad"/>
|
||||
</direct>
|
||||
</interconnect>
|
||||
</mode>
|
||||
|
||||
<!-- IOs can operate as either inputs or outputs.
|
||||
Delays below come from Ian Kuon. They are small, so they should be interpreted as
|
||||
the delays to and from registers in the I/O (and generally I/Os are registered
|
||||
|
@ -183,6 +220,56 @@
|
|||
<input name="in" num_pins="6"/>
|
||||
<output name="out" num_pins="2"/>
|
||||
<clock name="clk" num_pins="1"/>
|
||||
<!-- Physical mode definition begin (physical implementation of the fle) -->
|
||||
<mode name="physical">
|
||||
<pb_type name="fabric" num_pb="1">
|
||||
<input name="in" num_pins="6"/>
|
||||
<output name="out" num_pins="2"/>
|
||||
<clock name="clk" num_pins="1"/>
|
||||
<pb_type name="frac_logic" num_pb="1">
|
||||
<input name="in" num_pins="6"/>
|
||||
<output name="out" num_pins="2"/>
|
||||
<!-- Define LUT -->
|
||||
<pb_type name="frac_lut6" blif_model=".subckt frac_lut6" num_pb="1">
|
||||
<input name="in" num_pins="6"/>
|
||||
<output name="lut5_out" num_pins="2"/>
|
||||
<output name="lut6_out" num_pins="1"/>
|
||||
</pb_type>
|
||||
<interconnect>
|
||||
<direct name="direct1" input="frac_lut6.lut5_out[0]" output="frac_logic.out[0]"/>
|
||||
<mux name="mux1" input="frac_lut6.lut6_out frac_lut6.lut5_out[1]" output="frac_logic.out[1]"/>
|
||||
</interconnect>
|
||||
</pb_type>
|
||||
<!-- Define flip-flop -->
|
||||
<pb_type name="ff" blif_model=".latch" num_pb="2" class="flipflop">
|
||||
<input name="D" num_pins="1" port_class="D"/>
|
||||
<output name="Q" num_pins="1" port_class="Q"/>
|
||||
<clock name="clk" num_pins="1" port_class="clock"/>
|
||||
<T_setup value="66e-12" port="ff.D" clock="clk"/>
|
||||
<T_clock_to_Q max="124e-12" port="ff.Q" clock="clk"/>
|
||||
</pb_type>
|
||||
<interconnect>
|
||||
<direct name="direct1" input="fabric.in" output="frac_logic.in"/>
|
||||
<complete name="direct3" input="fabric.clk" output="ff[1:0].clk"/>
|
||||
<mux name="mux1" input="ff[0].Q frac_logic.out[0]" output="fabric.out[0]">
|
||||
<!-- LUT to output is faster than FF to output on a Stratix IV -->
|
||||
<delay_constant max="25e-12" in_port="frac_logic.out[0]" out_port="fabric.out[0]"/>
|
||||
<delay_constant max="45e-12" in_port="ff[0].Q" out_port="fabric.out[0]"/>
|
||||
</mux>
|
||||
<mux name="mux2" input="ff[1].Q frac_logic.out[1]" output="fabric.out[1]">
|
||||
<!-- LUT to output is faster than FF to output on a Stratix IV -->
|
||||
<delay_constant max="25e-12" in_port="frac_logic.out[1]" out_port="fabric.out[1]"/>
|
||||
<delay_constant max="45e-12" in_port="ff[1].Q" out_port="fabric.out[1]"/>
|
||||
</mux>
|
||||
</interconnect>
|
||||
</pb_type>
|
||||
<interconnect>
|
||||
<direct name="direct1" input="fle.in" output="fabric.in"/>
|
||||
<direct name="direct2" input="fabric.out" output="fle.out"/>
|
||||
<direct name="direct3" input="fle.clk" output="fabric.clk"/>
|
||||
</interconnect>
|
||||
</mode>
|
||||
<!-- Physical mode definition end (physical implementation of the fle) -->
|
||||
<!-- Dual 5-LUT mode definition begin -->
|
||||
<mode name="n2_lut5">
|
||||
<pb_type name="lut5inter" num_pb="1">
|
||||
|
|
Loading…
Reference in New Issue