OpenFPGA/vpr7_x2p/vpr/SRC/route/rr_graph.h

90 lines
2.9 KiB
C
Executable File

#ifndef RR_GRAPH_H
#define RR_GRAPH_H
enum e_graph_type {
GRAPH_GLOBAL, /* One node per channel with wire capacity > 1 and full connectivity */
GRAPH_BIDIR, /* Detailed bidirectional graph */
GRAPH_UNIDIR, /* Detailed unidir graph, untilable */
/* RESEARCH TODO: Get this option debugged */
GRAPH_UNIDIR_TILEABLE /* Detail unidir graph with wire groups multiples of 2*L */
};
typedef enum e_graph_type t_graph_type;
/* Warnings about the routing graph that can be returned.
* This is to avoid output messages during a value sweep */
enum {
RR_GRAPH_NO_WARN = 0x00,
RR_GRAPH_WARN_FC_CLIPPED = 0x01,
RR_GRAPH_WARN_CHAN_WIDTH_CHANGED = 0x02
};
void build_rr_graph(INP t_graph_type graph_type,
INP int L_num_types,
INP t_type_ptr types,
INP int L_nx,
INP int L_ny,
INP struct s_grid_tile **L_grid,
INP int chan_width,
INP struct s_chan_width_dist *chan_capacity_inf,
INP enum e_switch_block_type sb_type,
INP int Fs,
INP int num_seg_types,
INP int num_switches,
INP t_segment_inf * segment_inf,
INP int global_route_switch,
INP int delayless_switch,
INP t_timing_inf timing_inf,
INP int wire_to_ipin_switch,
INP enum e_base_cost_type base_cost_type,
INP t_direct_inf *directs,
INP int num_directs,
INP boolean ignore_Fc_0,
OUTP int *Warnings,
/* Xifan TANG: Switch Segment Pattern Support*/
int num_swseg_pattern,
t_swseg_pattern_inf* swseg_patterns,
boolean opin_to_cb_fast_edges,
boolean opin_logic_eq_edges);
void free_rr_graph(void);
void dump_rr_graph(INP const char *file_name);
void print_rr_indexed_data(FILE * fp, int index); /* For debugging only */
void load_net_rr_terminals(t_ivec *** L_rr_node_indices);
void print_rr_node(FILE *fp, t_rr_node *L_rr_node, int inode);
int **
alloc_and_load_actual_fc(INP int L_num_types, INP t_type_ptr types,
INP int nodes_per_chan, INP boolean is_Fc_out,
INP enum e_directionality directionality, OUTP boolean * Fc_clipped, INP boolean ignore_Fc_0);
void rr_graph_externals(t_timing_inf timing_inf,
t_segment_inf * segment_inf, int num_seg_types, int nodes_per_chan,
int wire_to_ipin_switch, enum e_base_cost_type base_cost_type);
/* Xifan Tang: Functions shared by tileable rr_graph generator */
int ****alloc_and_load_pin_to_track_map(INP enum e_pin_type pin_type,
INP int nodes_per_chan, INP int *Fc, INP t_type_ptr Type,
INP boolean perturb_switch_pattern,
INP enum e_directionality directionality);
struct s_ivec ***alloc_and_load_track_to_pin_lookup(
INP int ****pin_to_track_map, INP int *Fc, INP int height,
INP int num_pins, INP int nodes_per_chan);
boolean *
alloc_and_load_perturb_ipins(INP int nodes_per_chan, INP int L_num_types,
INP int **Fc_in, INP int **Fc_out, INP enum e_directionality directionality);
void free_type_pin_to_track_map(int***** ipin_to_track_map,
t_type_ptr types);
void free_type_track_to_ipin_map(struct s_ivec**** track_to_pin_map,
t_type_ptr types, int nodes_per_chan);
#endif