79 lines
2.7 KiB
C
79 lines
2.7 KiB
C
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/*********************************************************************
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* The following code is part of the power modelling feature of VTR.
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*
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* For support:
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* http://code.google.com/p/vtr-verilog-to-routing/wiki/Power
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*
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* or email:
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* vtr.power.estimation@gmail.com
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*
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* If you are using power estimation for your researach please cite:
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*
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* Jeffrey Goeders and Steven Wilton. VersaPower: Power Estimation
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* for Diverse FPGA Architectures. In International Conference on
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* Field Programmable Technology, 2012.
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*
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********************************************************************/
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/**
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* This file provides utility functions used by power estimation.
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*/
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#ifndef __POWER_UTIL_H__
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#define __POWER_UTIL_H__
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/************************* INCLUDES *********************************/
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#include "power.h"
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#include "power_components.h"
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/************************* FUNCTION DECLARATIONS ********************/
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/* Pins */
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float pin_dens(t_pb * pb, t_pb_graph_pin * pin);
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float pin_prob(t_pb * pb, t_pb_graph_pin * pin);
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int power_calc_pin_fanout(t_pb_graph_pin * pin, int mode_idx);
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void pb_foreach_pin(t_pb_graph_node * pb_node,
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void (*fn)(t_pb_graph_pin *, void *), void * context);
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/* Power Usage */
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void power_zero_usage(t_power_usage * power_usage);
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void power_add_usage(t_power_usage * dest, const t_power_usage * src);
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void power_scale_usage(t_power_usage * power_usage, float scale_factor);
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float power_sum_usage(t_power_usage * power_usage);
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float power_perc_dynamic(t_power_usage * power_usage);
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/* Message Logger */
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void power_log_msg(e_power_log_type log_type, char * msg);
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/* Buffers */
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int power_calc_buffer_num_stages(float final_stage_size, float desired_stage_effort);
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float calc_buffer_stage_effort(int N, float final_stage_size);
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float power_buffer_size_from_logical_effort(float C_load);
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/* Multiplexers */
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boolean mux_find_selector_values(int * selector_values, t_mux_node * mux_node,
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int selected_input_pin);
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t_mux_arch * power_get_mux_arch(int num_mux_inputs, float transistor_size);
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void mux_arch_fix_levels(t_mux_arch * mux_arch);
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/* Power Methods */
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boolean power_method_is_transistor_level(
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e_power_estimation_method estimation_method);
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boolean power_method_is_recursive(
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e_power_estimation_method method);
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char * transistor_type_name(e_tx_type type);
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char * alloc_SRAM_values_from_truth_table(int LUT_size,
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t_linked_vptr * truth_table);
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float clb_net_density(int net_idx);
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char * interconnect_type_name(enum e_interconnect type);
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float clb_net_prob(int net_idx);
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void output_log(t_log * log_ptr, FILE * fp);
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void output_logs(FILE * fp, t_log * logs, int num_logs);
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void power_print_title(FILE * fp, char * title);
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#endif
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