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OpenFPGA/vpr7_x2p/vpr/SRC/fpga_x2p/verilog/verilog_routing.c

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/***********************************/
/* SPICE Modeling for VPR */
/* Xifan TANG, EPFL/LSI */
/***********************************/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#include <sys/stat.h>
#include <unistd.h>
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#include <string.h>
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#include <algorithm>
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/* Include vpr structs*/
#include "util.h"
#include "physical_types.h"
#include "vpr_types.h"
#include "globals.h"
#include "rr_graph_util.h"
#include "rr_graph.h"
#include "rr_graph2.h"
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#include "route_common.h"
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#include "vpr_utils.h"
/* Include SPICE support headers*/
#include "linkedlist.h"
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#include "rr_blocks.h"
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#include "fpga_x2p_types.h"
#include "fpga_x2p_utils.h"
#include "fpga_x2p_backannotate_utils.h"
#include "fpga_x2p_mux_utils.h"
#include "fpga_x2p_pbtypes_utils.h"
#include "fpga_x2p_bitstream_utils.h"
#include "fpga_x2p_globals.h"
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/* Include Verilog support headers*/
#include "verilog_global.h"
#include "verilog_utils.h"
#include "verilog_routing.h"
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static
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void dump_verilog_routing_chan_subckt(char* verilog_dir,
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char* subckt_dir,
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size_t rr_chan_subckt_id,
const RRChan& rr_chan) {
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FILE* fp = NULL;
char* fname = NULL;
/* Initial chan_prefix*/
switch (rr_chan.get_type()) {
case CHANX:
/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Routing Channel - X direction ", chanx_verilog_file_name_prefix, rr_chan_subckt_id, 0, &fname);
/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
/* Comment lines */
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fprintf(fp, "//----- Verilog Module of Channel X [%lu] -----\n", rr_chan_subckt_id);
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break;
case CHANY:
/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Routing Channel - Y direction ", chany_verilog_file_name_prefix, rr_chan_subckt_id, 0, &fname);
/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
/* Comment lines */
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fprintf(fp, "//----- Verilog Module Channel Y [%lu] -----\n", rr_chan_subckt_id);
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break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File:%s, [LINE%d])Invalid Channel type! Should be CHANX or CHANY.\n",
__FILE__, __LINE__);
exit(1);
}
/* Chan subckt definition */
fprintf(fp, "module %s ( \n",
gen_verilog_one_routing_channel_module_name(rr_chan.get_type(), rr_chan_subckt_id, -1));
fprintf(fp, "\n");
/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
/* Inputs and outputs,
* Rules for CHANX:
* print left-hand ports(in) first, then right-hand ports(out)
* Rules for CHANX:
* print bottom ports(in) first, then top ports(out)
*/
for (size_t itrack = 0; itrack < rr_chan.get_chan_width(); ++itrack) {
switch (rr_chan.get_node(itrack)->direction) {
case INC_DIRECTION:
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fprintf(fp, " input in%lu, //--- track %lu input \n", itrack, itrack);
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break;
case DEC_DIRECTION:
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fprintf(fp, " output out%lu, //--- track %lu output \n", itrack, itrack);
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break;
case BI_DIRECTION:
default:
vpr_printf(TIO_MESSAGE_ERROR,
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"(File: %s [LINE%d]) Invalid direction of rr_node %s[%lu]_in/out[%lu]!\n",
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__FILE__, __LINE__,
convert_chan_type_to_string(rr_chan.get_type()),
rr_chan_subckt_id, itrack);
exit(1);
}
}
for (size_t itrack = 0; itrack < rr_chan.get_chan_width(); ++itrack) {
switch (rr_chan.get_node(itrack)->direction) {
case INC_DIRECTION:
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fprintf(fp, " output out%lu, //--- track %lu output\n", itrack, itrack);
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break;
case DEC_DIRECTION:
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fprintf(fp, " input in%lu, //--- track %lu input \n", itrack, itrack);
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break;
case BI_DIRECTION:
default:
vpr_printf(TIO_MESSAGE_ERROR,
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"(File: %s [LINE%d]) Invalid direction of rr_node %s[%lu]_in/out[%lu]!\n",
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__FILE__, __LINE__,
convert_chan_type_to_string(rr_chan.get_type()),
rr_chan_subckt_id, itrack);
exit(1);
}
}
/* Middle point output for connection box inputs */
for (size_t itrack = 0; itrack < rr_chan.get_chan_width(); ++itrack) {
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fprintf(fp, " output mid_out%lu", itrack);
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if (itrack < (rr_chan.get_chan_width() - 1)) {
fprintf(fp, ",");
}
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fprintf(fp, " // Middle output %lu to logic blocks \n", itrack);
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}
fprintf(fp, " );\n");
/* Print segments models*/
for (size_t itrack = 0; itrack < rr_chan.get_chan_width(); ++itrack) {
/* short connecting inputs and outputs:
* length of metal wire and parasitics are handled by semi-custom flow
*/
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fprintf(fp, "assign out%lu = in%lu; \n", itrack, itrack);
fprintf(fp, "assign mid_out%lu = in%lu; \n", itrack, itrack);
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}
fprintf(fp, "endmodule\n");
/* Comment lines */
fprintf(fp,
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"//----- END Verilog Module of %s [%lu] -----\n\n",
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convert_chan_type_to_string(rr_chan.get_type()),
rr_chan_subckt_id);
/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
/* Free */
my_free(fname);
return;
}
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static
void dump_verilog_routing_chan_subckt(char* verilog_dir,
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char* subckt_dir,
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int x, int y,
t_rr_type chan_type,
int LL_num_rr_nodes, t_rr_node* LL_rr_node,
t_ivec*** LL_rr_node_indices,
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t_rr_indexed_data* LL_rr_indexed_data,
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int num_segment) {
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int itrack, iseg, cost_index;
int chan_width = 0;
t_rr_node** chan_rr_nodes = NULL;
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FILE* fp = NULL;
char* fname = NULL;
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/* Check */
assert((!(0 > x))&&(!(x > (nx + 1))));
assert((!(0 > y))&&(!(y > (ny + 1))));
assert((CHANX == chan_type)||(CHANY == chan_type));
/* Initial chan_prefix*/
switch (chan_type) {
case CHANX:
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Routing Channel - X direction ", chanx_verilog_file_name_prefix, x, y, &fname);
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
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/* Comment lines */
fprintf(fp, "//----- Verilog Module of Channel X [%d][%d] -----\n", x, y);
break;
case CHANY:
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Routing Channel - Y direction ", chany_verilog_file_name_prefix, x, y, &fname);
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
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/* Comment lines */
fprintf(fp, "//----- Verilog Module Channel Y [%d][%d] -----\n", x, y);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid Channel type! Should be CHANX or CHANY.\n",
__FILE__, __LINE__);
exit(1);
}
/* Collect rr_nodes for Tracks for chanx[ix][iy] */
chan_rr_nodes = get_chan_rr_nodes(&chan_width, chan_type, x, y,
LL_num_rr_nodes, LL_rr_node, LL_rr_node_indices);
/* Chan subckt definition */
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fprintf(fp, "module %s ( \n",
gen_verilog_one_routing_channel_module_name(chan_type, x, y));
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fprintf(fp, "\n");
/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
/* Inputs and outputs,
* Rules for CHANX:
* print left-hand ports(in) first, then right-hand ports(out)
* Rules for CHANX:
* print bottom ports(in) first, then top ports(out)
*/
for (itrack = 0; itrack < chan_width; itrack++) {
switch (chan_rr_nodes[itrack]->direction) {
case INC_DIRECTION:
fprintf(fp, " input in%d, //--- track %d input \n", itrack, itrack);
break;
case DEC_DIRECTION:
fprintf(fp, " output out%d, //--- track %d output \n", itrack, itrack);
break;
case BI_DIRECTION:
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File: %s [LINE%d]) Invalid direction of rr_node chany[%d][%d]_in/out[%d]!\n",
__FILE__, __LINE__, x, y + 1, itrack);
exit(1);
}
}
for (itrack = 0; itrack < chan_width; itrack++) {
switch (chan_rr_nodes[itrack]->direction) {
case INC_DIRECTION:
fprintf(fp, " output out%d, //--- track %d output\n", itrack, itrack);
break;
case DEC_DIRECTION:
fprintf(fp, " input in%d, //--- track %d input \n", itrack, itrack);
break;
case BI_DIRECTION:
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File: %s [LINE%d]) Invalid direction of rr_node chany[%d][%d]_in/out[%d]!\n",
__FILE__, __LINE__, x, y + 1, itrack);
exit(1);
}
}
/* Middle point output for connection box inputs */
for (itrack = 0; itrack < chan_width; itrack++) {
fprintf(fp, " output mid_out%d", itrack);
if (itrack < (chan_width - 1)) {
fprintf(fp, ",");
}
fprintf(fp, " // Middle output %d to logic blocks \n", itrack);
}
fprintf(fp, " );\n");
/* Print segments models*/
for (itrack = 0; itrack < chan_width; itrack++) {
cost_index = chan_rr_nodes[itrack]->cost_index;
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iseg = LL_rr_indexed_data[cost_index].seg_index;
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/* Check */
assert((!(iseg < 0))&&(iseg < num_segment));
/* short connecting inputs and outputs:
* length of metal wire and parasitics are handled by semi-custom flow
*/
fprintf(fp, "assign out%d = in%d; \n", itrack, itrack);
fprintf(fp, "assign mid_out%d = in%d; \n", itrack, itrack);
}
fprintf(fp, "endmodule\n");
/* Comment lines */
switch (chan_type) {
case CHANX:
/* Comment lines */
fprintf(fp, "//----- END Verilog Module of Channel X [%d][%d] -----\n\n", x, y);
break;
case CHANY:
/* Comment lines */
fprintf(fp, "//----- END Verilog Module of Channel Y [%d][%d] -----\n\n", x, y);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid Channel type! Should be CHANX or CHANY.\n",
__FILE__, __LINE__);
exit(1);
}
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/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
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/* Free */
my_free(chan_rr_nodes);
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my_free(fname);
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return;
}
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static
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t_rr_node** verilog_get_grid_side_pin_rr_nodes(int* num_pin_rr_nodes,
t_rr_type pin_type,
int x,
int y,
int side,
t_ivec*** LL_rr_node_indices) {
int height, ipin, class_id, inode;
t_type_ptr type = NULL;
t_rr_node** ret = NULL;
enum e_pin_type pin_class_type;
int cur;
/* Check */
assert((!(0 > x))&&(!(x > (nx + 1))));
assert((!(0 > y))&&(!(y > (ny + 1))));
type = grid[x][y].type;
assert(NULL != type);
/* Assign the type of PIN*/
switch (pin_type) {
case IPIN:
/* case SINK: */
pin_class_type = RECEIVER; /* This is the end of a route path*/
break;
/*case SOURCE:*/
case OPIN:
pin_class_type = DRIVER; /* This is the start of a route path */
break;
/* SINK and SOURCE are hypothesis nodes */
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid pin_type!\n", __FILE__, __LINE__);
exit(1);
}
/* Output the pins on the side*/
(*num_pin_rr_nodes) = 0;
height = grid[x][y].offset;
for (ipin = 0; ipin < type->num_pins; ipin++) {
class_id = type->pin_class[ipin];
if ((1 == type->pinloc[height][side][ipin])&&(pin_class_type == type->class_inf[class_id].type)) {
(*num_pin_rr_nodes)++;
}
}
/* Malloc */
ret = (t_rr_node**)my_malloc(sizeof(t_rr_node*)*(*num_pin_rr_nodes));
/* Fill the return array*/
cur = 0;
height = grid[x][y].offset;
for (ipin = 0; ipin < type->num_pins; ipin++) {
class_id = type->pin_class[ipin];
if ((1 == type->pinloc[height][side][ipin])&&(pin_class_type == type->class_inf[class_id].type)) {
inode = get_rr_node_index(x, y, pin_type, ipin, LL_rr_node_indices);
ret[cur] = &(rr_node[inode]);
cur++;
}
}
assert(cur == (*num_pin_rr_nodes));
return ret;
}
void dump_verilog_grid_side_pin_with_given_index(FILE* fp, t_rr_type pin_type,
int pin_index, int side,
int x, int y,
boolean dump_port_type) {
int height;
t_type_ptr type = NULL;
char* verilog_port_type = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > x))&&(!(x > (nx + 1))));
assert((!(0 > y))&&(!(y > (ny + 1))));
type = grid[x][y].type;
assert(NULL != type);
assert((!(0 > pin_index))&&(pin_index < type->num_pins));
assert((!(0 > side))&&(!(side > 3)));
/* Assign the type of PIN*/
switch (pin_type) {
case IPIN:
/* case SINK: */
verilog_port_type = "output";
break;
/* case SOURCE: */
case OPIN:
verilog_port_type = "input";
break;
/* SINK and SOURCE are hypothesis nodes */
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid pin_type!\n", __FILE__, __LINE__);
exit(1);
}
/* Output the pins on the side*/
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height = get_grid_pin_height(x, y, pin_index);
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if (1 == type->pinloc[height][side][pin_index]) {
/* Not sure if we need to plus a height */
/* fprintf(fp, "grid_%d__%d__pin_%d__%d__%d_ ", x, y, height, side, pin_index); */
if (TRUE == dump_port_type) {
fprintf(fp, "%s ", verilog_port_type);
}
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fprintf(fp, "%s", gen_verilog_grid_one_pin_name(x, y, height, side, pin_index, TRUE));
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if (TRUE == dump_port_type) {
fprintf(fp, ",\n");
}
} else {
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vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Fail to print a grid pin (x=%d, y=%d, height=%d, side=%d, index=%d)\n",
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__FILE__, __LINE__, x, y, height, side, pin_index);
exit(1);
}
return;
}
void dump_verilog_grid_side_pins(FILE* fp,
t_rr_type pin_type,
int x,
int y,
int side,
boolean dump_port_type) {
int height, ipin, class_id;
t_type_ptr type = NULL;
enum e_pin_type pin_class_type;
char* verilog_port_type = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > x))&&(!(x > (nx + 1))));
assert((!(0 > y))&&(!(y > (ny + 1))));
type = grid[x][y].type;
assert(NULL != type);
/* Assign the type of PIN*/
switch (pin_type) {
case IPIN:
/* case SINK: */
pin_class_type = RECEIVER; /* This is the end of a route path*/
verilog_port_type = "output";
break;
/* case SOURCE: */
case OPIN:
pin_class_type = DRIVER; /* This is the start of a route path */
verilog_port_type = "input";
break;
/* SINK and SOURCE are hypothesis nodes */
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid pin_type!\n", __FILE__, __LINE__);
exit(1);
}
/* Output the pins on the side*/
for (ipin = 0; ipin < type->num_pins; ipin++) {
class_id = type->pin_class[ipin];
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height = get_grid_pin_height(x, y, ipin);
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if ((1 == type->pinloc[height][side][ipin])&&(pin_class_type == type->class_inf[class_id].type)) {
if (TRUE == dump_port_type) {
fprintf(fp, "%s ", verilog_port_type);
}
fprintf(fp, " grid_%d__%d__pin_%d__%d__%d_", x, y, height, side, ipin);
if (TRUE == dump_port_type) {
fprintf(fp, ",\n");
}
}
}
return;
}
/* Determine the channel coordinates in switch box subckt */
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static
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void verilog_determine_src_chan_coordinate_switch_box(t_rr_node* src_rr_node,
t_rr_node* des_rr_node,
int side,
int switch_box_x,
int switch_box_y,
int* src_chan_x,
int* src_chan_y,
char** src_chan_port_name) {
/* Check */
assert((!(0 > side))&&(side < 4));
assert((CHANX == src_rr_node->type)||(CHANY == src_rr_node->type));
assert((CHANX == des_rr_node->type)||(CHANY == des_rr_node->type));
assert((!(0 > switch_box_x))&&(!(switch_box_x > (nx + 1))));
assert((!(0 > switch_box_y))&&(!(switch_box_y > (ny + 1))));
/* Initialize*/
(*src_chan_x) = 0;
(*src_chan_y) = 0;
(*src_chan_port_name) = NULL;
switch (side) {
case 0: /*TOP*/
/* The destination rr_node only have one condition!!! */
assert((INC_DIRECTION == des_rr_node->direction)&&(CHANY == des_rr_node->type));
/* Following cases:
* |
* / | \
*/
if ((INC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((INC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x + 1;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid source channel!\n", __FILE__, __LINE__);
exit(1);
}
break;
case 1: /*RIGHT*/
/* The destination rr_node only have one condition!!! */
assert((INC_DIRECTION == des_rr_node->direction)&&(CHANX == des_rr_node->type));
/* Following cases:
* \
* --- ----
* /
*/
if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y + 1;
(*src_chan_port_name) = "in";
} else if ((INC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((INC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid source channel!\n", __FILE__, __LINE__);
exit(1);
}
break;
case 2: /*BOTTOM*/
/* The destination rr_node only have one condition!!! */
assert((DEC_DIRECTION == des_rr_node->direction)&&(CHANY == des_rr_node->type));
/* Following cases:
* |
* \ /
* |
*/
if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y + 1;
(*src_chan_port_name) = "in";
} else if ((INC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x + 1;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid source channel!\n", __FILE__, __LINE__);
exit(1);
}
break;
case 3: /*LEFT*/
/* The destination rr_node only have one condition!!! */
assert((DEC_DIRECTION == des_rr_node->direction)&&(CHANX == des_rr_node->type));
/* Following cases:
* /
* --- ----
* \
*/
if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANX == src_rr_node->type)) {
(*src_chan_x) = switch_box_x + 1;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((INC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y;
(*src_chan_port_name) = "in";
} else if ((DEC_DIRECTION == src_rr_node->direction)&&(CHANY == src_rr_node->type)) {
(*src_chan_x) = switch_box_x;
(*src_chan_y) = switch_box_y + 1;
(*src_chan_port_name) = "in";
} else {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid source channel!\n", __FILE__, __LINE__);
exit(1);
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s, [LINE%d])Invalid side!\n", __FILE__, __LINE__);
exit(1);
}
/* Make sure the source rr_node (channel) is in the range*/
assert((!((*src_chan_x) < src_rr_node->xlow))&&(!((*src_chan_x) > src_rr_node->xhigh)));
if (!((!((*src_chan_y) < src_rr_node->ylow))&&(!((*src_chan_y) > src_rr_node->yhigh)))) {
assert((!((*src_chan_y) < src_rr_node->ylow))&&(!((*src_chan_y) > src_rr_node->yhigh)));
}
return;
}
void dump_verilog_switch_box_chan_port(FILE* fp,
t_sb* cur_sb_info,
int chan_side,
t_rr_node* cur_rr_node,
enum PORTS cur_rr_node_direction) {
int index = -1;
t_rr_type chan_rr_node_type;
int chan_rr_node_x, chan_rr_node_y;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Get the index in sb_info of cur_rr_node */
index = get_rr_node_index_in_sb_info(cur_rr_node, (*cur_sb_info), chan_side, cur_rr_node_direction);
/* Make sure this node is included in this sb_info */
assert((-1 != index)&&(-1 != chan_side));
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get_chan_rr_node_coordinate_in_sb_info((*cur_sb_info), chan_side,
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&chan_rr_node_type, &chan_rr_node_x, &chan_rr_node_y);
assert(cur_rr_node->type == chan_rr_node_type);
fprintf(fp, "%s_%d__%d__%s_%d_ ",
convert_chan_type_to_string(chan_rr_node_type),
chan_rr_node_x, chan_rr_node_y,
convert_chan_rr_node_direction_to_string(cur_sb_info->chan_rr_node_direction[chan_side][index]),
cur_rr_node->ptc_num);
return;
}
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static
upgrade Verilog SB generator using the RRSwitchBlock
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void dump_verilog_unique_switch_box_chan_port(FILE* fp,
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RRGSB& rr_sb,
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enum e_side chan_side,
t_rr_node* cur_rr_node,
enum PORTS cur_rr_node_direction) {
int index = -1;
t_rr_type chan_rr_node_type;
DeviceCoordinator chan_rr_node_coordinator;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Get the index in sb_info of cur_rr_node */
index = rr_sb.get_node_index(cur_rr_node, chan_side, cur_rr_node_direction);
/* Make sure this node is included in this sb_info */
assert((-1 != index)&&(NUM_SIDES != chan_side));
chan_rr_node_type = cur_rr_node->type;
chan_rr_node_coordinator = rr_sb.get_side_block_coordinator(chan_side);
fprintf(fp, "%s_%lu__%lu__%s_%d_ ",
convert_chan_type_to_string(chan_rr_node_type),
chan_rr_node_coordinator.get_x(), chan_rr_node_coordinator.get_y(),
convert_chan_rr_node_direction_to_string(cur_rr_node_direction),
cur_rr_node->ptc_num);
return;
}
/* Print a short interconneciton in switch box
* There are two cases should be noticed.
* 1. The actual fan-in of cur_rr_node is 0. In this case,
the cur_rr_node need to be short connected to itself which is on the opposite side of this switch
* 2. The actual fan-in of cur_rr_node is 0. In this case,
* The cur_rr_node need to connected to the drive_rr_node
*/
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static
void dump_verilog_unique_switch_box_short_interc(FILE* fp,
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RRGSB& rr_sb,
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enum e_side chan_side,
t_rr_node* cur_rr_node,
int actual_fan_in,
t_rr_node* drive_rr_node) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((0 == actual_fan_in)||(1 == actual_fan_in));
char* chan_name = convert_chan_type_to_string(cur_rr_node->type);
/* Get the index in sb_info of cur_rr_node */
int index = rr_sb.get_node_index(cur_rr_node, chan_side, OUT_PORT);
char* des_chan_port_name = "out";
fprintf(fp, "//----- Short connection %s[%lu][%lu]_%s[%d] -----\n",
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chan_name, rr_sb.get_sb_coordinator().get_x(), rr_sb.get_sb_coordinator().get_y(), des_chan_port_name, cur_rr_node->ptc_num);
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fprintf(fp, "assign ");
/* Output port */
dump_verilog_unique_switch_box_chan_port(fp, rr_sb, chan_side, cur_rr_node, OUT_PORT);
fprintf(fp, " = ");
/* Check the driver*/
if (0 == actual_fan_in) {
assert(drive_rr_node == cur_rr_node);
} else {
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Side side_manager(chan_side);
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/* drive_rr_node = &(rr_node[cur_rr_node->prev_node]); */
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assert(1 == rr_node_drive_switch_box(drive_rr_node, cur_rr_node, rr_sb.get_sb_coordinator().get_x(), rr_sb.get_sb_coordinator().get_y(), side_manager.get_side()));
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}
int grid_x = drive_rr_node->xlow;
int grid_y = drive_rr_node->ylow; /*Plus the offset in function fprint_grid_side_pin_with_given_index */
switch (drive_rr_node->type) {
/* case SOURCE: */
case OPIN:
/* Find grid_x and grid_y */
/* Print a grid pin */
dump_verilog_grid_side_pin_with_given_index(fp, IPIN, /* this is an input of a Switch Box */
drive_rr_node->ptc_num,
rr_sb.get_opin_node_grid_side(drive_rr_node),
grid_x, grid_y,
FALSE); /* Do not dump the direction of the port! */
break;
case CHANX:
case CHANY:
enum e_side side;
/* Should an input */
if (cur_rr_node == drive_rr_node) {
/* To be strict, the input should locate on the opposite side.
* Use the else part if this may change in some architecture.
*/
Side side_manager(chan_side);
side = side_manager.get_opposite();
} else {
rr_sb.get_node_side_and_index(drive_rr_node, IN_PORT, &side, &index);
assert ( -1 != index );
assert ( NUM_SIDES != side );
}
/* We need to be sure that drive_rr_node is part of the SB */
dump_verilog_unique_switch_box_chan_port(fp, rr_sb, side, drive_rr_node, IN_PORT);
break;
/* SOURCE is invalid as well */
default: /* IPIN, SINK are invalid*/
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid rr_node type! Should be [OPIN|CHANX|CHANY].\n",
__FILE__, __LINE__);
exit(1);
}
/* END */
fprintf(fp, ";\n");
return;
}
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/* Print a short interconneciton in switch box
* There are two cases should be noticed.
* 1. The actual fan-in of cur_rr_node is 0. In this case,
the cur_rr_node need to be short connected to itself which is on the opposite side of this switch
* 2. The actual fan-in of cur_rr_node is 0. In this case,
* The cur_rr_node need to connected to the drive_rr_node
*/
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void dump_verilog_switch_box_short_interc(FILE* fp,
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t_sb* cur_sb_info,
int chan_side,
t_rr_node* cur_rr_node,
int actual_fan_in,
t_rr_node* drive_rr_node) {
int side, index;
int grid_x, grid_y;
char* chan_name = NULL;
char* des_chan_port_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > cur_sb_info->x))&&(!(cur_sb_info->x > (nx + 1))));
assert((!(0 > cur_sb_info->y))&&(!(cur_sb_info->y > (ny + 1))));
assert((0 == actual_fan_in)||(1 == actual_fan_in));
chan_name = convert_chan_type_to_string(cur_rr_node->type);
/* Get the index in sb_info of cur_rr_node */
index = get_rr_node_index_in_sb_info(cur_rr_node, (*cur_sb_info), chan_side, OUT_PORT);
des_chan_port_name = "out";
fprintf(fp, "//----- Short connection %s[%d][%d]_%s[%d] -----\n",
chan_name, cur_sb_info->x, cur_sb_info->y, des_chan_port_name, cur_rr_node->ptc_num);
fprintf(fp, "assign ");
/* Output port */
dump_verilog_switch_box_chan_port(fp, cur_sb_info, chan_side, cur_rr_node, OUT_PORT);
fprintf(fp, " = ");
/* Check the driver*/
if (0 == actual_fan_in) {
assert(drive_rr_node == cur_rr_node);
} else {
/* drive_rr_node = &(rr_node[cur_rr_node->prev_node]); */
assert(1 == rr_node_drive_switch_box(drive_rr_node, cur_rr_node, cur_sb_info->x, cur_sb_info->y, chan_side));
}
switch (drive_rr_node->type) {
/* case SOURCE: */
case OPIN:
/* Indicate a CLB Outpin*/
/* Search all the sides of a SB, see this drive_rr_node is an INPUT of this SB */
get_rr_node_side_and_index_in_sb_info(drive_rr_node, (*cur_sb_info), IN_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the SB */
assert((-1 != index)&&(-1 != side));
/* Find grid_x and grid_y */
grid_x = drive_rr_node->xlow;
grid_y = drive_rr_node->ylow; /*Plus the offset in function fprint_grid_side_pin_with_given_index */
/* Print a grid pin */
dump_verilog_grid_side_pin_with_given_index(fp, IPIN, /* this is an input of a Switch Box */
drive_rr_node->ptc_num,
cur_sb_info->opin_rr_node_grid_side[side][index],
grid_x, grid_y,
FALSE); /* Do not dump the direction of the port! */
break;
case CHANX:
case CHANY:
/* Should an input */
Update FPGA-SPICE and flow configurations
2018-08-09 12:27:16 -05:00
if (cur_rr_node == drive_rr_node) {
/* To be strict, the input should locate on the opposite side.
* Use the else part if this may change in some architecture.
*/
side = get_opposite_side(chan_side);
index = get_rr_node_index_in_sb_info(drive_rr_node, (*cur_sb_info), side, IN_PORT);
} else {
get_rr_node_side_and_index_in_sb_info(drive_rr_node, (*cur_sb_info), IN_PORT, &side, &index);
}
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/* We need to be sure that drive_rr_node is part of the SB */
assert((-1 != index)&&(-1 != side));
dump_verilog_switch_box_chan_port(fp, cur_sb_info, side, drive_rr_node, IN_PORT);
break;
/* SOURCE is invalid as well */
default: /* IPIN, SINK are invalid*/
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid rr_node type! Should be [OPIN|CHANX|CHANY].\n",
__FILE__, __LINE__);
exit(1);
}
/* END */
fprintf(fp, ";\n");
return;
}
/* Print the SPICE netlist of multiplexer that drive this rr_node */
Update VPR7 X2P with new engine
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void dump_verilog_switch_box_mux(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
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t_sb* cur_sb_info,
int chan_side,
t_rr_node* cur_rr_node,
int mux_size,
t_rr_node** drive_rr_nodes,
int switch_index) {
Update VPR7 X2P with new engine
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int inode, side, index, input_cnt = 0;
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int grid_x, grid_y;
t_spice_model* verilog_model = NULL;
int mux_level, path_id, cur_num_sram;
int num_mux_sram_bits = 0;
int* mux_sram_bits = NULL;
int num_mux_conf_bits = 0;
int num_mux_reserved_conf_bits = 0;
int cur_bl, cur_wl;
t_spice_model* mem_model = NULL;
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char* mem_subckt_name = NULL;
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/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > cur_sb_info->x))&&(!(cur_sb_info->x > (nx + 1))));
assert((!(0 > cur_sb_info->y))&&(!(cur_sb_info->y > (ny + 1))));
/* Check current rr_node is CHANX or CHANY*/
assert((CHANX == cur_rr_node->type)||(CHANY == cur_rr_node->type));
/* Allocate drive_rr_nodes according to the fan-in*/
assert((2 == mux_size)||(2 < mux_size));
/* Get verilog model*/
verilog_model = switch_inf[switch_index].spice_model;
/* Specify the input bus */
fprintf(fp, "wire [0:%d] %s_size%d_%d_inbus;\n",
mux_size - 1,
verilog_model->prefix, mux_size, verilog_model->cnt);
cleaned unused variables
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char* name_mux = (char *) my_malloc(sizeof(char)*(1
+ strlen(verilog_model->prefix) + 5
Update VPR7 X2P with new engine
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+ strlen(my_itoa(mux_size)) + 1
+ strlen(my_itoa(verilog_model->cnt)) + 5));
sprintf(name_mux, "/%s_size%d_%d_/in", verilog_model->prefix, mux_size, verilog_model->cnt);
char* path_hierarchy = (char *) my_malloc(sizeof(char)*(strlen(gen_verilog_one_sb_instance_name(cur_sb_info))));
path_hierarchy = gen_verilog_one_sb_instance_name(cur_sb_info);
cur_rr_node->name_mux = my_strcat(path_hierarchy,name_mux);
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/* Input ports*/
/* Connect input ports to bus */
for (inode = 0; inode < mux_size; inode++) {
switch (drive_rr_nodes[inode]->type) {
/* case SOURCE: */
case OPIN:
/* Indicate a CLB Outpin*/
/* Search all the sides of a SB, see this drive_rr_node is an INPUT of this SB */
get_rr_node_side_and_index_in_sb_info(drive_rr_nodes[inode], (*cur_sb_info), IN_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the SB */
if (!((-1 != index)&&(-1 != side))) {
assert((-1 != index)&&(-1 != side));
}
/* Find grid_x and grid_y */
grid_x = drive_rr_nodes[inode]->xlow;
grid_y = drive_rr_nodes[inode]->ylow; /*Plus the offset in function fprint_grid_side_pin_with_given_index */
/* Print a grid pin */
fprintf(fp, "assign %s_size%d_%d_inbus[%d] = ",
verilog_model->prefix, mux_size, verilog_model->cnt, input_cnt);
dump_verilog_grid_side_pin_with_given_index(fp, IPIN, drive_rr_nodes[inode]->ptc_num,
cur_sb_info->opin_rr_node_grid_side[side][index],
grid_x, grid_y, FALSE);
fprintf(fp, ";\n");
input_cnt++;
break;
case CHANX:
case CHANY:
/* Should be an input ! */
get_rr_node_side_and_index_in_sb_info(drive_rr_nodes[inode], (*cur_sb_info), IN_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the SB */
assert((-1 != index)&&(-1 != side));
fprintf(fp, "assign %s_size%d_%d_inbus[%d] = ",
verilog_model->prefix, mux_size, verilog_model->cnt, input_cnt);
dump_verilog_switch_box_chan_port(fp, cur_sb_info, side, drive_rr_nodes[inode], IN_PORT);
fprintf(fp, ";\n");
input_cnt++;
break;
default: /* IPIN, SINK are invalid*/
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid rr_node type! Should be [OPIN|CHANX|CHANY].\n",
__FILE__, __LINE__);
exit(1);
}
}
assert(input_cnt == mux_size);
/* Print SRAMs that configure this MUX */
/* cur_num_sram = sram_verilog_model->cnt; */
Update VPR7 X2P with new engine
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cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_bl, &cur_wl);
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/* connect to reserved BL/WLs ? */
num_mux_reserved_conf_bits = count_num_reserved_conf_bits_one_spice_model(verilog_model,
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cur_sram_orgz_info->type,
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mux_size);
/* Get the number of configuration bits required by this MUX */
num_mux_conf_bits = count_num_conf_bits_one_spice_model(verilog_model,
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cur_sram_orgz_info->type,
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mux_size);
/* Dump the configuration port bus */
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dump_verilog_mux_config_bus(fp, verilog_model, cur_sram_orgz_info,
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mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
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/* Dump ports visible only during formal verification */
fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
/*
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1,
VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
*/
dump_verilog_formal_verification_mux_sram_ports_wiring(fp, cur_sram_orgz_info,
verilog_model, mux_size,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, "`endif\n");
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/* Now it is the time print the SPICE netlist of MUX*/
fprintf(fp, "%s_size%d %s_size%d_%d_ (",
verilog_model->prefix, mux_size,
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Dump global ports */
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if (0 < rec_dump_verilog_spice_model_global_ports(fp, verilog_model, FALSE, FALSE, FALSE)) {
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fprintf(fp, ",\n");
}
fprintf(fp, "%s_size%d_%d_inbus, ",
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Output port */
dump_verilog_switch_box_chan_port(fp, cur_sb_info, chan_side, cur_rr_node, OUT_PORT);
/* Add a comma because dump_verilog_switch_box_chan_port does not add so */
fprintf(fp, ", ");
/* Different design technology requires different configuration bus! */
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dump_verilog_mux_config_bus_ports(fp, verilog_model, cur_sram_orgz_info,
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mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
fprintf(fp, ");\n");
/* Configuration bits for this MUX*/
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path_id = DEFAULT_PATH_ID;
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for (inode = 0; inode < mux_size; inode++) {
if (drive_rr_nodes[inode] == &(rr_node[cur_rr_node->prev_node])) {
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path_id = inode;
cur_rr_node->id_path = inode;
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break;
}
}
/* Depend on both technology and structure of this MUX*/
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
decode_cmos_mux_sram_bits(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
break;
case SPICE_MODEL_DESIGN_RRAM:
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decode_rram_mux(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
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break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
exit(1);
}
/* Print the encoding in SPICE netlist for debugging */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
fprintf(fp, "//----- SRAM bits for MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//-----");
fprint_commented_sram_bits(fp, num_mux_sram_bits, mux_sram_bits);
fprintf(fp, "-----\n");
break;
case SPICE_MODEL_DESIGN_RRAM:
fprintf(fp, "//----- BL/WL bits for 4T1R MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- BL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits);
fprintf(fp, "-----\n");
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- WL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits + num_mux_sram_bits/2);
fprintf(fp, "-----\n");
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
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get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
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/* Dump sram modules */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
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/* Call the memory module defined for this SRAM-based MUX! */
mem_subckt_name = generate_verilog_mux_subckt_name(verilog_model, mux_size, verilog_mem_posfix);
fprintf(fp, "%s %s_%d_ ( ",
mem_subckt_name, mem_subckt_name, verilog_model->cnt);
dump_verilog_mem_sram_submodule(fp, cur_sram_orgz_info, verilog_model, mux_size, mem_model,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, ");\n");
/* update the number of memory bits */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
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break;
case SPICE_MODEL_DESIGN_RRAM:
/* RRAM-based MUX does not need any SRAM dumping
* But we have to get the number of configuration bits required by this MUX
* and update the number of memory bits
*/
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update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info,
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cur_bl + num_mux_conf_bits,
cur_wl + num_mux_conf_bits);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
/* update sram counter */
verilog_model->cnt++;
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/* Free */
my_free(mux_sram_bits);
my_free(mem_subckt_name);
return;
}
/* Print the SPICE netlist of multiplexer that drive this rr_node */
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static
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void dump_verilog_unique_switch_box_mux(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
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RRGSB& rr_sb,
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enum e_side chan_side,
t_rr_node* cur_rr_node,
int mux_size,
t_rr_node** drive_rr_nodes,
int switch_index) {
int input_cnt = 0;
t_spice_model* verilog_model = NULL;
int mux_level, path_id, cur_num_sram;
int num_mux_sram_bits = 0;
int* mux_sram_bits = NULL;
int num_mux_conf_bits = 0;
int num_mux_reserved_conf_bits = 0;
int cur_bl, cur_wl;
t_spice_model* mem_model = NULL;
char* mem_subckt_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
/* Check current rr_node is CHANX or CHANY*/
assert((CHANX == cur_rr_node->type)||(CHANY == cur_rr_node->type));
/* Allocate drive_rr_nodes according to the fan-in*/
assert((2 == mux_size)||(2 < mux_size));
/* Get verilog model*/
verilog_model = switch_inf[switch_index].spice_model;
/* Specify the input bus */
fprintf(fp, "wire [0:%d] %s_size%d_%d_inbus;\n",
mux_size - 1,
verilog_model->prefix, mux_size, verilog_model->cnt);
char* name_mux = (char *) my_malloc(sizeof(char)*(1
+ strlen(verilog_model->prefix) + 5
+ strlen(my_itoa(mux_size)) + 1
+ strlen(my_itoa(verilog_model->cnt)) + 5));
sprintf(name_mux, "/%s_size%d_%d_/in", verilog_model->prefix, mux_size, verilog_model->cnt);
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const char* path_hierarchy = rr_sb.gen_sb_verilog_instance_name();
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cur_rr_node->name_mux = my_strcat(path_hierarchy, name_mux);
/* Input ports*/
/* Connect input ports to bus */
for (size_t inode = 0; inode < size_t(mux_size); ++inode) {
enum e_side side;
int index;
int grid_x = drive_rr_nodes[inode]->xlow;
int grid_y = drive_rr_nodes[inode]->ylow; /*Plus the offset in function fprint_grid_side_pin_with_given_index */
switch (drive_rr_nodes[inode]->type) {
/* case SOURCE: */
case OPIN:
/* Indicate a CLB Outpin*/
/* Find grid_x and grid_y */
/* Print a grid pin */
fprintf(fp, "assign %s_size%d_%d_inbus[%d] = ",
verilog_model->prefix, mux_size, verilog_model->cnt, input_cnt);
dump_verilog_grid_side_pin_with_given_index(fp, IPIN, drive_rr_nodes[inode]->ptc_num,
rr_sb.get_opin_node_grid_side(drive_rr_nodes[inode]),
grid_x, grid_y, FALSE);
fprintf(fp, ";\n");
input_cnt++;
break;
case CHANX:
case CHANY:
/* Should be an input ! */
rr_sb.get_node_side_and_index(drive_rr_nodes[inode], IN_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the SB */
assert((-1 != index) && (NUM_SIDES != side));
fprintf(fp, "assign %s_size%d_%d_inbus[%d] = ",
verilog_model->prefix, mux_size, verilog_model->cnt, input_cnt);
dump_verilog_unique_switch_box_chan_port(fp, rr_sb, side, drive_rr_nodes[inode], IN_PORT);
fprintf(fp, ";\n");
input_cnt++;
break;
default: /* IPIN, SINK are invalid*/
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid rr_node type! Should be [OPIN|CHANX|CHANY].\n",
__FILE__, __LINE__);
exit(1);
}
}
assert(input_cnt == mux_size);
/* Print SRAMs that configure this MUX */
/* cur_num_sram = sram_verilog_model->cnt; */
cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_bl, &cur_wl);
/* connect to reserved BL/WLs ? */
num_mux_reserved_conf_bits = count_num_reserved_conf_bits_one_spice_model(verilog_model,
cur_sram_orgz_info->type,
mux_size);
/* Get the number of configuration bits required by this MUX */
num_mux_conf_bits = count_num_conf_bits_one_spice_model(verilog_model,
cur_sram_orgz_info->type,
mux_size);
/* Dump the configuration port bus */
dump_verilog_mux_config_bus(fp, verilog_model, cur_sram_orgz_info,
mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
/* Dump ports visible only during formal verification */
fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
/*
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1,
VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
*/
dump_verilog_formal_verification_mux_sram_ports_wiring(fp, cur_sram_orgz_info,
verilog_model, mux_size,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, "`endif\n");
/* Now it is the time print the SPICE netlist of MUX*/
fprintf(fp, "%s_size%d %s_size%d_%d_ (",
verilog_model->prefix, mux_size,
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Dump global ports */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, verilog_model, FALSE, FALSE, FALSE)) {
fprintf(fp, ",\n");
}
fprintf(fp, "%s_size%d_%d_inbus, ",
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Output port */
dump_verilog_unique_switch_box_chan_port(fp, rr_sb, chan_side, cur_rr_node, OUT_PORT);
/* Add a comma because dump_verilog_switch_box_chan_port does not add so */
fprintf(fp, ", ");
/* Different design technology requires different configuration bus! */
dump_verilog_mux_config_bus_ports(fp, verilog_model, cur_sram_orgz_info,
mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
fprintf(fp, ");\n");
/* Configuration bits for this MUX*/
path_id = DEFAULT_PATH_ID;
for (int inode = 0; inode < mux_size; ++inode) {
if (drive_rr_nodes[inode] == &(rr_node[cur_rr_node->prev_node])) {
path_id = inode;
cur_rr_node->id_path = inode;
break;
}
}
/* Depend on both technology and structure of this MUX*/
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
decode_cmos_mux_sram_bits(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
break;
case SPICE_MODEL_DESIGN_RRAM:
decode_rram_mux(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
exit(1);
}
/* Print the encoding in SPICE netlist for debugging */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
fprintf(fp, "//----- SRAM bits for MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//-----");
fprint_commented_sram_bits(fp, num_mux_sram_bits, mux_sram_bits);
fprintf(fp, "-----\n");
break;
case SPICE_MODEL_DESIGN_RRAM:
fprintf(fp, "//----- BL/WL bits for 4T1R MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- BL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits);
fprintf(fp, "-----\n");
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- WL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits + num_mux_sram_bits/2);
fprintf(fp, "-----\n");
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
/* Dump sram modules */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
/* Call the memory module defined for this SRAM-based MUX! */
mem_subckt_name = generate_verilog_mux_subckt_name(verilog_model, mux_size, verilog_mem_posfix);
fprintf(fp, "%s %s_%d_ ( ",
mem_subckt_name, mem_subckt_name, verilog_model->cnt);
dump_verilog_mem_sram_submodule(fp, cur_sram_orgz_info, verilog_model, mux_size, mem_model,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, ");\n");
/* update the number of memory bits */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
break;
case SPICE_MODEL_DESIGN_RRAM:
/* RRAM-based MUX does not need any SRAM dumping
* But we have to get the number of configuration bits required by this MUX
* and update the number of memory bits
*/
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info,
cur_bl + num_mux_conf_bits,
cur_wl + num_mux_conf_bits);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
/* update sram counter */
verilog_model->cnt++;
/* Free */
my_free(mux_sram_bits);
my_free(mem_subckt_name);
return;
}
/* Count the number of configuration bits of a rr_node*/
int count_verilog_switch_box_interc_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_sb cur_sb_info, int chan_side,
t_rr_node* cur_rr_node) {
int num_conf_bits = 0;
int switch_idx = 0;
int num_drive_rr_nodes = 0;
if (NULL == cur_rr_node) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])NULL cur_rr_node!\n",
__FILE__, __LINE__);
exit(1);
return num_conf_bits;
}
/* Determine if the interc lies inside a channel wire, that is interc between segments */
if (1 == is_rr_node_exist_opposite_side_in_sb_info(cur_sb_info, cur_rr_node, chan_side)) {
num_drive_rr_nodes = 0;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
}
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/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_conf_bits = count_num_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
cur_sram_orgz_info->type,
num_drive_rr_nodes);
return num_conf_bits;
}
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}
/* Count the number of configuration bits of a rr_node*/
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static
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size_t count_verilog_switch_box_interc_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
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t_rr_node* cur_rr_node) {
size_t num_conf_bits = 0;
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int switch_idx = 0;
int num_drive_rr_nodes = 0;
if (NULL == cur_rr_node) {
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vpr_printf(TIO_MESSAGE_ERROR,
"(File:%s, [LINE%d])NULL cur_rr_node!\n",
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__FILE__, __LINE__);
exit(1);
return num_conf_bits;
}
/* Determine if the interc lies inside a channel wire, that is interc between segments */
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if (true == rr_sb.is_sb_node_exist_opposite_side(cur_rr_node, chan_side)) {
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num_drive_rr_nodes = 0;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
}
/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_conf_bits = count_num_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
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cur_sram_orgz_info->type,
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num_drive_rr_nodes);
return num_conf_bits;
}
}
/* Count the number of reserved configuration bits of a rr_node*/
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int count_verilog_switch_box_interc_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_sb cur_sb_info, int chan_side,
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t_rr_node* cur_rr_node) {
int num_reserved_conf_bits = 0;
int switch_idx = 0;
int num_drive_rr_nodes = 0;
if (NULL == cur_rr_node) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])NULL cur_rr_node!\n",
__FILE__, __LINE__);
exit(1);
return num_reserved_conf_bits;
}
/* Determine if the interc lies inside a channel wire, that is interc between segments */
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if (1 == is_rr_node_exist_opposite_side_in_sb_info(cur_sb_info, cur_rr_node, chan_side)) {
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num_drive_rr_nodes = 0;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
}
/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_reserved_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_reserved_conf_bits =
count_num_reserved_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
cur_sram_orgz_info->type,
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num_drive_rr_nodes);
return num_reserved_conf_bits;
}
}
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
/* Count the number of reserved configuration bits of a rr_node*/
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
static
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
size_t count_verilog_switch_box_interc_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb, enum e_side chan_side,
upgrade Verilog SB generator using the RRSwitchBlock
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t_rr_node* cur_rr_node) {
size_t num_reserved_conf_bits = 0;
int switch_idx = 0;
int num_drive_rr_nodes = 0;
if (NULL == cur_rr_node) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])NULL cur_rr_node!\n",
__FILE__, __LINE__);
exit(1);
return num_reserved_conf_bits;
}
/* Determine if the interc lies inside a channel wire, that is interc between segments */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
if (1 == rr_sb.is_sb_node_exist_opposite_side(cur_rr_node, chan_side)) {
upgrade Verilog SB generator using the RRSwitchBlock
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num_drive_rr_nodes = 0;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
}
/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_reserved_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_reserved_conf_bits =
count_num_reserved_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
cur_sram_orgz_info->type,
num_drive_rr_nodes);
return num_reserved_conf_bits;
}
}
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Update VPR7 X2P with new engine
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void dump_verilog_switch_box_interc(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
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t_sb* cur_sb_info,
int chan_side,
t_rr_node* cur_rr_node) {
int sb_x, sb_y;
int num_drive_rr_nodes = 0;
t_rr_node** drive_rr_nodes = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
sb_x = cur_sb_info->x;
sb_y = cur_sb_info->y;
/* Check */
assert((!(0 > sb_x))&&(!(sb_x > (nx + 1))));
assert((!(0 > sb_y))&&(!(sb_y > (ny + 1))));
/* Determine if the interc lies inside a channel wire, that is interc between segments */
Update FPGA-SPICE and flow configurations
2018-08-09 12:27:16 -05:00
/* Check each num_drive_rr_nodes, see if they appear in the cur_sb_info */
if (TRUE == check_drive_rr_node_imply_short(*cur_sb_info, cur_rr_node, chan_side)) {
/* Double check if the interc lies inside a channel wire, that is interc between segments */
assert(1 == is_rr_node_exist_opposite_side_in_sb_info(*cur_sb_info, cur_rr_node, chan_side));
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num_drive_rr_nodes = 0;
drive_rr_nodes = NULL;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
drive_rr_nodes = cur_rr_node->drive_rr_nodes;
}
if (0 == num_drive_rr_nodes) {
/* Print a special direct connection*/
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_switch_box_short_interc(fp, cur_sb_info, chan_side, cur_rr_node,
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num_drive_rr_nodes, cur_rr_node);
} else if (1 == num_drive_rr_nodes) {
/* Print a direct connection*/
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_switch_box_short_interc(fp, cur_sb_info, chan_side, cur_rr_node,
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
num_drive_rr_nodes, drive_rr_nodes[DEFAULT_SWITCH_ID]);
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} else if (1 < num_drive_rr_nodes) {
/* Print the multiplexer, fan_in >= 2 */
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
dump_verilog_switch_box_mux(cur_sram_orgz_info, fp, cur_sb_info, chan_side, cur_rr_node,
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num_drive_rr_nodes, drive_rr_nodes,
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
cur_rr_node->drive_switches[DEFAULT_SWITCH_ID]);
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} /*Nothing should be done else*/
/* Free */
return;
}
clean-up warnings Verilog routing generator
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static
upgrade Verilog SB generator using the RRSwitchBlock
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void dump_verilog_unique_switch_box_interc(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
rename rr_switch_block to rr_gsb, a generic block
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RRGSB& rr_sb,
upgrade Verilog SB generator using the RRSwitchBlock
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enum e_side chan_side,
t_rr_node* cur_rr_node) {
int num_drive_rr_nodes = 0;
t_rr_node** drive_rr_nodes = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Determine if the interc lies inside a channel wire, that is interc between segments */
/* Check each num_drive_rr_nodes, see if they appear in the cur_sb_info */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
if (true == rr_sb.is_sb_node_imply_short_connection(cur_rr_node)) {
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
/* Double check if the interc lies inside a channel wire, that is interc between segments */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
assert(true == rr_sb.is_sb_node_exist_opposite_side(cur_rr_node, chan_side));
upgrade Verilog SB generator using the RRSwitchBlock
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num_drive_rr_nodes = 0;
drive_rr_nodes = NULL;
} else {
num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
drive_rr_nodes = cur_rr_node->drive_rr_nodes;
}
if (0 == num_drive_rr_nodes) {
/* Print a special direct connection*/
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_unique_switch_box_short_interc(fp, rr_sb, chan_side, cur_rr_node,
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
num_drive_rr_nodes, cur_rr_node);
} else if (1 == num_drive_rr_nodes) {
/* Print a direct connection*/
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_unique_switch_box_short_interc(fp, rr_sb, chan_side, cur_rr_node,
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
num_drive_rr_nodes, drive_rr_nodes[DEFAULT_SWITCH_ID]);
} else if (1 < num_drive_rr_nodes) {
/* Print the multiplexer, fan_in >= 2 */
dump_verilog_unique_switch_box_mux(cur_sram_orgz_info, fp, rr_sb, chan_side, cur_rr_node,
num_drive_rr_nodes, drive_rr_nodes,
cur_rr_node->drive_switches[DEFAULT_SWITCH_ID]);
} /*Nothing should be done else*/
/* Free */
return;
}
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/* Count the number of configuration bits of a Switch Box */
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
static
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
int count_verilog_switch_box_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_sb* cur_sb_info) {
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int side, itrack;
int num_reserved_conf_bits = 0;
int temp_num_reserved_conf_bits = 0;
for (side = 0; side < cur_sb_info->num_sides; side++) {
for (itrack = 0; itrack < cur_sb_info->chan_width[side]; itrack++) {
switch (cur_sb_info->chan_rr_node_direction[side][itrack]) {
case OUT_PORT:
temp_num_reserved_conf_bits =
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
count_verilog_switch_box_interc_reserved_conf_bits(cur_sram_orgz_info, *cur_sb_info, side,
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cur_sb_info->chan_rr_node[side][itrack]);
/* Always select the largest number of reserved conf_bits */
if (temp_num_reserved_conf_bits > num_reserved_conf_bits) {
num_reserved_conf_bits = temp_num_reserved_conf_bits;
}
break;
case IN_PORT:
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File: %s [LINE%d]) Invalid direction of port sb[%d][%d] Channel node[%d] track[%d]!\n",
__FILE__, __LINE__, cur_sb_info->x, cur_sb_info->y, side, itrack);
exit(1);
}
}
}
return num_reserved_conf_bits;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
/* Count the number of configuration bits of a Switch Box */
static
size_t count_verilog_switch_box_side_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb, enum e_side side, size_t seg_id) {
add rr_block unique_side_module verilog generation
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size_t num_reserved_conf_bits = 0;
size_t temp_num_reserved_conf_bits = 0;
Side side_manager(side);
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side); ++itrack) {
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
/* Bypass unwanted segments */
if (seg_id != rr_sb.get_chan_node_segment(side, itrack)) {
continue;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
switch (rr_sb.get_chan_node_direction(side, itrack)) {
case OUT_PORT:
temp_num_reserved_conf_bits =
count_verilog_switch_box_interc_reserved_conf_bits(cur_sram_orgz_info, rr_sb, side,
rr_sb.get_chan_node(side, itrack));
/* Always select the largest number of reserved conf_bits */
num_reserved_conf_bits = std::max(num_reserved_conf_bits, temp_num_reserved_conf_bits);
break;
case IN_PORT:
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of port Channel node[%s] track[%d]!\n",
__FILE__, __LINE__, side_manager.to_string(), itrack);
exit(1);
}
}
return num_reserved_conf_bits;
}
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
/* Count the number of configuration bits of a Switch Box */
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
static
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
size_t count_verilog_switch_box_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb) {
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
size_t num_reserved_conf_bits = 0;
size_t temp_num_reserved_conf_bits = 0;
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
/* get segment ids */
std::vector<size_t> seg_ids = rr_sb.get_chan(side_manager.get_side()).get_segment_ids();
for (size_t iseg = 0; iseg < seg_ids.size(); ++iseg) {
temp_num_reserved_conf_bits = count_verilog_switch_box_side_reserved_conf_bits(cur_sram_orgz_info, rr_sb, side_manager.get_side(), seg_ids[iseg]);
/* Always select the largest number of reserved conf_bits */
num_reserved_conf_bits = std::max(num_reserved_conf_bits, temp_num_reserved_conf_bits);
}
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
}
return num_reserved_conf_bits;
}
Reorganize the code directory
2018-07-26 12:28:21 -05:00
/* Count the number of configuration bits of a Switch Box */
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
static
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
int count_verilog_switch_box_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_sb* cur_sb_info) {
Reorganize the code directory
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int side, itrack;
int num_conf_bits = 0;
for (side = 0; side < cur_sb_info->num_sides; side++) {
for (itrack = 0; itrack < cur_sb_info->chan_width[side]; itrack++) {
switch (cur_sb_info->chan_rr_node_direction[side][itrack]) {
case OUT_PORT:
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
num_conf_bits += count_verilog_switch_box_interc_conf_bits(cur_sram_orgz_info, *cur_sb_info, side,
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cur_sb_info->chan_rr_node[side][itrack]);
break;
case IN_PORT:
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File: %s [LINE%d]) Invalid direction of port sb[%d][%d] Channel node[%d] track[%d]!\n",
__FILE__, __LINE__, cur_sb_info->x, cur_sb_info->y, side, itrack);
exit(1);
}
}
}
return num_conf_bits;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
/* Count the number of configuration bits of a Switch Box */
static
size_t count_verilog_switch_box_side_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb,
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
enum e_side side, size_t seg_id) {
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
size_t num_conf_bits = 0;
Side side_manager(side);
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side); ++itrack) {
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
/* Bypass unwanted segments */
if (seg_id != rr_sb.get_chan_node_segment(side, itrack)) {
continue;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
switch (rr_sb.get_chan_node_direction(side, itrack)) {
case OUT_PORT:
num_conf_bits += count_verilog_switch_box_interc_conf_bits(cur_sram_orgz_info, rr_sb, side,
rr_sb.get_chan_node(side, itrack));
break;
case IN_PORT:
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of port Channel node[%s] track[%d]!\n",
__FILE__, __LINE__, side_manager.to_string(), itrack);
exit(1);
}
}
return num_conf_bits;
}
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
/* Count the number of configuration bits of a Switch Box */
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
static
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
size_t count_verilog_switch_box_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb) {
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
size_t num_conf_bits = 0;
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
/* get segment ids */
std::vector<size_t> seg_ids = rr_sb.get_chan(side_manager.get_side()).get_segment_ids();
for (size_t iseg = 0; iseg < seg_ids.size(); ++iseg) {
num_conf_bits += count_verilog_switch_box_side_conf_bits(cur_sram_orgz_info, rr_sb, side_manager.get_side(), seg_ids[iseg]);
}
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
}
return num_conf_bits;
}
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
static
void update_routing_switch_box_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb) {
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
int cur_num_bl, cur_num_wl;
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_num_bl, &cur_num_wl);
/* Record the index: TODO: clean this mess, move to FPGA_X2P_SETUP !!!*/
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
DeviceCoordinator sb_coordinator(rr_sb.get_sb_x(), rr_sb.get_sb_y());
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
/* Count the number of configuration bits to be consumed by this Switch block */
int num_conf_bits = count_verilog_switch_box_conf_bits(cur_sram_orgz_info, rr_sb);
/* Count the number of reserved configuration bits to be consumed by this Switch block */
int num_reserved_conf_bits = count_verilog_switch_box_reserved_conf_bits(cur_sram_orgz_info, rr_sb);
/* Estimate the sram_verilog_model->cnt */
int cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
device_rr_gsb.set_sb_num_reserved_conf_bits(sb_coordinator, num_reserved_conf_bits);
device_rr_gsb.set_sb_conf_bits_lsb(sb_coordinator, cur_num_sram);
device_rr_gsb.set_sb_conf_bits_msb(sb_coordinator, cur_num_sram + num_conf_bits - 1);
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_conf_bits);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info, cur_num_bl + num_conf_bits, cur_num_wl + num_conf_bits);
return;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
/* Dump port list of a subckt describing a side of a switch block
* Only output ports will be printed on the specified side
* Only input ports will be printed on the other sides
*/
static
void dump_verilog_routing_switch_box_unique_side_subckt_portmap(FILE* fp,
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
RRGSB& rr_sb,
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
enum e_side sb_side,
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
size_t seg_id,
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
boolean dump_port_type) {
/* Check file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,
"(FILE:%s,LINE[%d])Invalid file handler!\n",
__FILE__, __LINE__);
exit(1);
}
/* Create a side manager */
Side sb_side_manager(sb_side);
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
/* Print ports */
fprintf(fp, "//----- Inputs/outputs of %s side -----\n", side_manager.to_string());
DeviceCoordinator port_coordinator = rr_sb.get_side_block_coordinator(side_manager.get_side());
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
switch (rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
case OUT_PORT:
/* if this is the specified side, we only consider output ports */
if (sb_side_manager.get_side() != side_manager.get_side()) {
break;
}
fix minor bugs in Switch Block submodules
2019-06-05 14:30:55 -05:00
/* Bypass unwanted segments */
if (seg_id != rr_sb.get_chan_node_segment(side_manager.get_side(), itrack)) {
continue;
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
fprintf(fp, " ");
if (TRUE == dump_port_type) {
fprintf(fp, "output ");
}
fprintf(fp, "%s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
case IN_PORT:
/* if this is not the specified side, we only consider input ports */
if (sb_side_manager.get_side() == side_manager.get_side()) {
break;
}
fprintf(fp, " ");
if (TRUE == dump_port_type) {
fprintf(fp, "input ");
}
fprintf(fp, "%s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of chan[%d][%d]_track[%d]!\n",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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__FILE__, __LINE__, rr_sb.get_sb_x(), rr_sb.get_sb_y(), itrack);
add rr_block unique_side_module verilog generation
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exit(1);
}
}
/* Dump OPINs of adjacent CLBs */
for (size_t inode = 0; inode < rr_sb.get_num_opin_nodes(side_manager.get_side()); ++inode) {
fprintf(fp, " ");
dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an input of a SB */
rr_sb.get_opin_node(side_manager.get_side(), inode)->ptc_num,
rr_sb.get_opin_node_grid_side(side_manager.get_side(), inode),
rr_sb.get_opin_node(side_manager.get_side(), inode)->xlow,
rr_sb.get_opin_node(side_manager.get_side(), inode)->ylow,
dump_port_type); /* Dump the direction of the port ! */
fix typo in Verilog generation
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if (FALSE == dump_port_type) {
fprintf(fp, ",\n");
}
add rr_block unique_side_module verilog generation
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}
}
return;
}
/* Task: Print the subckt of a side of a Switch Box.
* For TOP side:
* 1. Channel Y [x][y+1] inputs
* 2. Grid[x][y+1] Right side outputs pins
* 3. Grid[x+1][y+1] Left side output pins
* For RIGHT side:
* 1. Channel X [x+1][y] inputs
* 2. Grid[x+1][y+1] Bottom side output pins
* 3. Grid[x+1][y] Top side output pins
* For BOTTOM side:
* 1. Channel Y [x][y] outputs
* 2. Grid[x][y] Right side output pins
* 3. Grid[x+1][y] Left side output pins
* For LEFT side:
* 1. Channel X [x][y] outputs
* 2. Grid[x][y] Top side output pins
* 3. Grid[x][y+1] Bottom side output pins
*
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y+1] | [x][y+1] | [x+1][y+1] |
* | | | |
* -------------- --------------
* ----------
* ChanX | Switch | ChanX
* [x][y] | Box | [x+1][y]
* | [x][y] |
* ----------
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y] | [x][y] | [x+1][y] |
* | | | |
* -------------- --------------
*/
static
void dump_verilog_routing_switch_box_unique_side_module(t_sram_orgz_info* cur_sram_orgz_info,
support switch block submodule Verilog generation by segments
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char* verilog_dir, char* subckt_dir,
size_t module_id, size_t seg_id,
rename rr_switch_block to rr_gsb, a generic block
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RRGSB& rr_sb, enum e_side side) {
add rr_block unique_side_module verilog generation
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FILE* fp = NULL;
char* fname = NULL;
Side side_manager(side);
/* Get the channel width on this side, if it is zero, we return */
if (0 == rr_sb.get_chan_width(side)) {
return;
}
/* Count the number of configuration bits to be consumed by this Switch block */
support switch block submodule Verilog generation by segments
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int num_conf_bits = count_verilog_switch_box_side_conf_bits(cur_sram_orgz_info, rr_sb, side, seg_id);
add rr_block unique_side_module verilog generation
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/* Count the number of reserved configuration bits to be consumed by this Switch block */
support switch block submodule Verilog generation by segments
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int num_reserved_conf_bits = count_verilog_switch_box_side_reserved_conf_bits(cur_sram_orgz_info, rr_sb, side, seg_id);
add rr_block unique_side_module verilog generation
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/* Estimate the sram_verilog_model->cnt */
int cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
int esti_sram_cnt = cur_num_sram + num_conf_bits;
/* Create file name */
std::string fname_prefix(sb_verilog_file_name_prefix);
fname_prefix += side_manager.to_string();
std::string file_description("Unique module for Switch Block side: ");
file_description += side_manager.to_string();
support switch block submodule Verilog generation by segments
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file_description += "seg";
file_description += std::to_string(seg_id);
add rr_block unique_side_module verilog generation
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, file_description.c_str(),
support switch block submodule Verilog generation by segments
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fname_prefix.c_str(), module_id, seg_id, &fname);
add rr_block unique_side_module verilog generation
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
/* Comment lines */
fprintf(fp,
support switch block submodule Verilog generation by segments
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"//----- Verilog Module of Unique Switch Box[%lu][%lu] at Side %s, Segment id: %lu -----\n",
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rr_sb.get_sb_x(), rr_sb.get_sb_y(), side_manager.to_string(), seg_id);
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/* Print the definition of subckt*/
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fprintf(fp, "module %s ( \n", rr_sb.gen_sb_verilog_side_module_name(side, seg_id));
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/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
support switch block submodule Verilog generation by segments
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dump_verilog_routing_switch_box_unique_side_subckt_portmap(fp, rr_sb, side, seg_id, TRUE);
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/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
0,
num_reserved_conf_bits - 1,
VERILOG_PORT_INPUT);
if (0 < num_reserved_conf_bits) {
fprintf(fp, ",\n");
}
/* Normal sram ports */
dump_verilog_sram_ports(fp, cur_sram_orgz_info,
cur_num_sram,
esti_sram_cnt - 1,
VERILOG_PORT_INPUT);
/* Dump ports only visible during formal verification*/
if (0 < num_conf_bits) {
fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_num_sram,
esti_sram_cnt - 1,
update gsb unique module detection and fix formal verification port direction
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VERILOG_PORT_INPUT);
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fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
fprintf(fp, "); \n");
/* Local wires for memory configurations */
dump_verilog_sram_config_bus_internal_wires(fp, cur_sram_orgz_info,
cur_num_sram,
esti_sram_cnt - 1);
/* Put down all the multiplexers */
fprintf(fp, "//----- %s side Multiplexers -----\n",
side_manager.to_string());
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
assert((CHANX == rr_sb.get_chan_node(side_manager.get_side(), itrack)->type)
||(CHANY == rr_sb.get_chan_node(side_manager.get_side(), itrack)->type));
/* We care INC_DIRECTION tracks at this side*/
if (OUT_PORT == rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
fix minor bugs in Switch Block submodules
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/* Bypass unwanted segments */
if (seg_id != rr_sb.get_chan_node_segment(side_manager.get_side(), itrack)) {
continue;
}
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dump_verilog_unique_switch_box_interc(cur_sram_orgz_info, fp, rr_sb,
side_manager.get_side(),
rr_sb.get_chan_node(side_manager.get_side(), itrack));
}
}
fprintf(fp, "endmodule\n");
/* Comment lines */
fprintf(fp,
"//----- END Verilog Module of Switch Box[%lu][%lu] Side %s -----\n\n",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_x(), rr_sb.get_sb_y(), side_manager.to_string());
add rr_block unique_side_module verilog generation
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/* Check */
assert(esti_sram_cnt == get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info));
/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
/* Free chan_rr_nodes */
my_free(fname);
return;
}
/* Task: Print the subckt of a Switch Box.
* Call the four submodules dumped in function: unique_side_module
*
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y+1] | [x][y+1] | [x+1][y+1] |
* | | | |
* -------------- --------------
* ----------
* ChanX | Switch | ChanX
* [x][y] | Box | [x+1][y]
* | [x][y] |
* ----------
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y] | [x][y] | [x+1][y] |
* | | | |
* -------------- --------------
*/
static
void dump_verilog_routing_switch_box_unique_module(t_sram_orgz_info* cur_sram_orgz_info,
char* verilog_dir, char* subckt_dir,
rename rr_switch_block to rr_gsb, a generic block
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RRGSB& rr_sb) {
add rr_block unique_side_module verilog generation
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FILE* fp = NULL;
char* fname = NULL;
/* Count the number of configuration bits to be consumed by this Switch block */
int num_conf_bits = count_verilog_switch_box_conf_bits(cur_sram_orgz_info, rr_sb);
/* Count the number of reserved configuration bits to be consumed by this Switch block */
int num_reserved_conf_bits = count_verilog_switch_box_reserved_conf_bits(cur_sram_orgz_info, rr_sb);
/* Estimate the sram_verilog_model->cnt */
int cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.set_sb_num_reserved_conf_bits(num_reserved_conf_bits);
rr_sb.set_sb_conf_bits_lsb(cur_num_sram);
rr_sb.set_sb_conf_bits_msb(cur_num_sram + num_conf_bits - 1);
add rr_block unique_side_module verilog generation
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Unique Switch Block ",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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sb_verilog_file_name_prefix, rr_sb.get_sb_x(), rr_sb.get_sb_y(), &fname);
add rr_block unique_side_module verilog generation
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
/* Comment lines */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "//----- Verilog Module of Unique Switch Box[%lu][%lu] -----\n", rr_sb.get_sb_x(), rr_sb.get_sb_y());
add rr_block unique_side_module verilog generation
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/* Print the definition of subckt*/
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "module %s ( \n", rr_sb.gen_sb_verilog_module_name());
add rr_block unique_side_module verilog generation
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/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
/* Print ports */
fix redundant comma in SB Verilog module
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fprintf(fp, "//----- Channel Inputs/outputs of %s side -----\n", side_manager.to_string());
add rr_block unique_side_module verilog generation
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DeviceCoordinator port_coordinator = rr_sb.get_side_block_coordinator(side_manager.get_side());
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
switch (rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
case OUT_PORT:
fprintf(fp, " output %s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
case IN_PORT:
fprintf(fp, " input %s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of chan[%d][%d]_track[%d]!\n",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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__FILE__, __LINE__, rr_sb.get_sb_x(), rr_sb.get_sb_y(), itrack);
add rr_block unique_side_module verilog generation
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exit(1);
}
}
/* Dump OPINs of adjacent CLBs */
fix redundant comma in SB Verilog module
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fprintf(fp, "//----- Grid Inputs/outputs of %s side -----\n", side_manager.to_string());
add rr_block unique_side_module verilog generation
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for (size_t inode = 0; inode < rr_sb.get_num_opin_nodes(side_manager.get_side()); ++inode) {
fprintf(fp, " ");
dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an input of a SB */
rr_sb.get_opin_node(side_manager.get_side(), inode)->ptc_num,
rr_sb.get_opin_node_grid_side(side_manager.get_side(), inode),
rr_sb.get_opin_node(side_manager.get_side(), inode)->xlow,
rr_sb.get_opin_node(side_manager.get_side(), inode)->ylow,
TRUE); /* Dump the direction of the port ! */
}
}
/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
fix redundant comma in SB Verilog module
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fprintf(fp, "//----- Reserved SRAM Ports -----\n");
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if (0 < rr_sb.get_sb_num_reserved_conf_bits()) {
fix redundant comma in SB Verilog module
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dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_reserved_conf_bits_lsb(),
rr_sb.get_sb_reserved_conf_bits_msb(),
fix redundant comma in SB Verilog module
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VERILOG_PORT_INPUT);
add rr_block unique_side_module verilog generation
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fprintf(fp, ",\n");
}
/* Normal sram ports */
fix redundant comma in SB Verilog module
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fprintf(fp, "//----- Regular SRAM Ports -----\n");
add rr_block unique_side_module verilog generation
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dump_verilog_sram_ports(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb(),
add rr_block unique_side_module verilog generation
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VERILOG_PORT_INPUT);
/* Dump ports only visible during formal verification*/
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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if (0 < rr_sb.get_sb_num_conf_bits()) {
add rr_block unique_side_module verilog generation
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fprintf(fp, "\n");
fix redundant comma in SB Verilog module
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fprintf(fp, "//----- SRAM Ports for formal verification -----\n");
add rr_block unique_side_module verilog generation
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fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb(),
update gsb unique module detection and fix formal verification port direction
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VERILOG_PORT_INPUT);
add rr_block unique_side_module verilog generation
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fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
fprintf(fp, "); \n");
/* Local wires for memory configurations */
dump_verilog_sram_config_bus_internal_wires(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb());
add rr_block unique_side_module verilog generation
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/* Call submodules */
int cur_sram_lsb = cur_num_sram;
int cur_sram_msb = cur_num_sram;
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
fprintf(fp, "//----- %s side Submodule -----\n",
side_manager.to_string());
/* Get the channel width on this side, if it is zero, we return */
if (0 == rr_sb.get_chan_width(side_manager.get_side())) {
support switch block submodule Verilog generation by segments
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fprintf(fp, "//----- %s side has zero channel width, module dump skipped -----\n",
side_manager.to_string());
add rr_block unique_side_module verilog generation
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continue;
}
support switch block submodule Verilog generation by segments
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/* get segment ids */
std::vector<size_t> seg_ids = rr_sb.get_chan(side_manager.get_side()).get_segment_ids();
for (size_t iseg = 0; iseg < seg_ids.size(); ++iseg) {
fprintf(fp, "//----- %s side Submodule with Segment id: %lu -----\n",
side_manager.to_string(), seg_ids[iseg]);
/* Count the number of configuration bits to be consumed by this Switch block */
int side_num_conf_bits = count_verilog_switch_box_side_conf_bits(cur_sram_orgz_info, rr_sb, side_manager.get_side(), seg_ids[iseg]);
/* Count the number of reserved configuration bits to be consumed by this Switch block */
int side_num_reserved_conf_bits = count_verilog_switch_box_side_reserved_conf_bits(cur_sram_orgz_info, rr_sb, side_manager.get_side(), seg_ids[iseg]);
/* Cache the sram counter */
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cur_sram_msb = cur_sram_lsb + side_num_conf_bits - 1;
support switch block submodule Verilog generation by segments
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/* Instanciate the subckt*/
fprintf(fp,
"%s %s ( \n",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.gen_sb_verilog_side_module_name(side_manager.get_side(), seg_ids[iseg]),
rr_sb.gen_sb_verilog_side_instance_name(side_manager.get_side(), seg_ids[iseg]));
support switch block submodule Verilog generation by segments
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/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, FALSE)) {
fprintf(fp, ",\n");
}
add rr_block unique_side_module verilog generation
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support switch block submodule Verilog generation by segments
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dump_verilog_routing_switch_box_unique_side_subckt_portmap(fp, rr_sb, side_manager.get_side(), seg_ids[iseg], FALSE);
add rr_block unique_side_module verilog generation
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support switch block submodule Verilog generation by segments
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/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
0,
side_num_reserved_conf_bits - 1,
fix typo in Verilog generation
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VERILOG_PORT_CONKT);
support switch block submodule Verilog generation by segments
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if (0 < side_num_reserved_conf_bits) {
fprintf(fp, ",\n");
}
/* Normal sram ports */
fix critical bugs in routing submodules
2019-06-05 17:43:18 -05:00
dump_verilog_sram_local_ports(fp, cur_sram_orgz_info,
cur_sram_lsb,
cur_sram_msb,
VERILOG_PORT_CONKT);
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
/* Dump ports only visible during formal verification*/
fix critical bugs in routing submodules
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if (0 < side_num_conf_bits) {
support switch block submodule Verilog generation by segments
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fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_sram_lsb,
cur_sram_msb,
fix typo in Verilog generation
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VERILOG_PORT_CONKT);
support switch block submodule Verilog generation by segments
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fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
fprintf(fp, "); \n");
add rr_block unique_side_module verilog generation
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support switch block submodule Verilog generation by segments
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/* Update sram_lsb */
cur_sram_lsb = cur_sram_msb + 1;
}
add rr_block unique_side_module verilog generation
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}
fix critical bugs in routing submodules
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/* checker */
assert(cur_sram_msb == cur_num_sram + num_conf_bits - 1);
add rr_block unique_side_module verilog generation
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fprintf(fp, "endmodule\n");
/* Comment lines */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "//----- END Verilog Module of Switch Box[%lu][%lu] -----\n\n", rr_sb.get_sb_x(), rr_sb.get_sb_y());
add rr_block unique_side_module verilog generation
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/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
/* Free chan_rr_nodes */
my_free(fname);
return;
}
upgrade Verilog SB generator using the RRSwitchBlock
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/* Task: Print the subckt of a Switch Box.
* A Switch Box subckt consists of following ports:
* 1. Channel Y [x][y] inputs
* 2. Channel X [x+1][y] inputs
* 3. Channel Y [x][y-1] outputs
* 4. Channel X [x][y] outputs
* 5. Grid[x][y+1] Right side outputs pins
* 6. Grid[x+1][y+1] Left side output pins
* 7. Grid[x+1][y+1] Bottom side output pins
* 8. Grid[x+1][y] Top side output pins
* 9. Grid[x+1][y] Left side output pins
* 10. Grid[x][y] Right side output pins
* 11. Grid[x][y] Top side output pins
* 12. Grid[x][y+1] Bottom side output pins
*
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y+1] | [x][y+1] | [x+1][y+1] |
* | | | |
* -------------- --------------
* ----------
* ChanX | Switch | ChanX
* [x][y] | Box | [x+1][y]
* | [x][y] |
* ----------
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y] | [x][y] | [x+1][y] |
* | | | |
* -------------- --------------
*/
clean-up warnings Verilog routing generator
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static
upgrade Verilog SB generator using the RRSwitchBlock
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void dump_verilog_routing_switch_box_unique_subckt(t_sram_orgz_info* cur_sram_orgz_info,
char* verilog_dir, char* subckt_dir,
rename rr_switch_block to rr_gsb, a generic block
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RRGSB& rr_sb) {
upgrade Verilog SB generator using the RRSwitchBlock
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FILE* fp = NULL;
char* fname = NULL;
/* Count the number of configuration bits to be consumed by this Switch block */
int num_conf_bits = count_verilog_switch_box_conf_bits(cur_sram_orgz_info, rr_sb);
/* Count the number of reserved configuration bits to be consumed by this Switch block */
int num_reserved_conf_bits = count_verilog_switch_box_reserved_conf_bits(cur_sram_orgz_info, rr_sb);
/* Estimate the sram_verilog_model->cnt */
int cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
int esti_sram_cnt = cur_num_sram + num_conf_bits;
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.set_sb_num_reserved_conf_bits(num_reserved_conf_bits);
rr_sb.set_sb_conf_bits_lsb(cur_num_sram);
rr_sb.set_sb_conf_bits_msb(cur_num_sram + num_conf_bits - 1);
upgrade Verilog SB generator using the RRSwitchBlock
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Unique Switch Block ",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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sb_verilog_file_name_prefix, rr_sb.get_sb_x(), rr_sb.get_sb_y(), &fname);
upgrade Verilog SB generator using the RRSwitchBlock
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
/* Comment lines */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "//----- Verilog Module of Unique Switch Box[%lu][%lu] -----\n", rr_sb.get_sb_x(), rr_sb.get_sb_y());
upgrade Verilog SB generator using the RRSwitchBlock
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/* Print the definition of subckt*/
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "module %s ( \n", rr_sb.gen_sb_verilog_module_name());
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/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
/* Print ports */
fprintf(fp, "//----- Inputs/outputs of %s side -----\n", side_manager.to_string());
DeviceCoordinator port_coordinator = rr_sb.get_side_block_coordinator(side_manager.get_side());
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
switch (rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
case OUT_PORT:
fprintf(fp, " output %s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
case IN_PORT:
fprintf(fp, " input %s,\n",
gen_verilog_routing_channel_one_pin_name(rr_sb.get_chan_node(side_manager.get_side(), itrack),
port_coordinator.get_x(), port_coordinator.get_y(), itrack,
rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)));
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,
"(File: %s [LINE%d]) Invalid direction of chan[%d][%d]_track[%d]!\n",
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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__FILE__, __LINE__, rr_sb.get_sb_x(), rr_sb.get_sb_y(), itrack);
upgrade Verilog SB generator using the RRSwitchBlock
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exit(1);
}
}
/* Dump OPINs of adjacent CLBs */
for (size_t inode = 0; inode < rr_sb.get_num_opin_nodes(side_manager.get_side()); ++inode) {
fprintf(fp, " ");
dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an input of a SB */
rr_sb.get_opin_node(side_manager.get_side(), inode)->ptc_num,
rr_sb.get_opin_node_grid_side(side_manager.get_side(), inode),
rr_sb.get_opin_node(side_manager.get_side(), inode)->xlow,
rr_sb.get_opin_node(side_manager.get_side(), inode)->ylow,
TRUE); /* Dump the direction of the port ! */
}
}
/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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if (0 < rr_sb.get_sb_num_reserved_conf_bits()) {
dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
rr_sb.get_sb_reserved_conf_bits_lsb(),
rr_sb.get_sb_reserved_conf_bits_msb(),
VERILOG_PORT_INPUT);
upgrade Verilog SB generator using the RRSwitchBlock
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fprintf(fp, ",\n");
}
/* Normal sram ports */
dump_verilog_sram_ports(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb(),
upgrade Verilog SB generator using the RRSwitchBlock
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VERILOG_PORT_INPUT);
/* Dump ports only visible during formal verification*/
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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if (0 < rr_sb.get_sb_num_conf_bits()) {
upgrade Verilog SB generator using the RRSwitchBlock
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fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb(),
upgrade Verilog SB generator using the RRSwitchBlock
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VERILOG_PORT_OUTPUT);
fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
fprintf(fp, "); \n");
/* Local wires for memory configurations */
dump_verilog_sram_config_bus_internal_wires(fp, cur_sram_orgz_info,
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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rr_sb.get_sb_conf_bits_lsb(),
rr_sb.get_sb_conf_bits_msb());
upgrade Verilog SB generator using the RRSwitchBlock
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/* Put down all the multiplexers */
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
fprintf(fp, "//----- %s side Multiplexers -----\n",
side_manager.to_string());
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
assert((CHANX == rr_sb.get_chan_node(side_manager.get_side(), itrack)->type)
||(CHANY == rr_sb.get_chan_node(side_manager.get_side(), itrack)->type));
/* We care INC_DIRECTION tracks at this side*/
if (OUT_PORT == rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
dump_verilog_unique_switch_box_interc(cur_sram_orgz_info, fp, rr_sb,
side_manager.get_side(),
rr_sb.get_chan_node(side_manager.get_side(), itrack));
}
}
}
fprintf(fp, "endmodule\n");
/* Comment lines */
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
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fprintf(fp, "//----- END Verilog Module of Switch Box[%lu][%lu] -----\n\n", rr_sb.get_sb_x(), rr_sb.get_sb_y());
upgrade Verilog SB generator using the RRSwitchBlock
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/* Check */
assert(esti_sram_cnt == get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info));
/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
/* Free chan_rr_nodes */
my_free(fname);
return;
}
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/* Task: Print the subckt of a Switch Box.
* A Switch Box subckt consists of following ports:
* 1. Channel Y [x][y] inputs
* 2. Channel X [x+1][y] inputs
* 3. Channel Y [x][y-1] outputs
* 4. Channel X [x][y] outputs
* 5. Grid[x][y+1] Right side outputs pins
* 6. Grid[x+1][y+1] Left side output pins
* 7. Grid[x+1][y+1] Bottom side output pins
* 8. Grid[x+1][y] Top side output pins
* 9. Grid[x+1][y] Left side output pins
* 10. Grid[x][y] Right side output pins
* 11. Grid[x][y] Top side output pins
* 12. Grid[x][y+1] Bottom side output pins
*
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y+1] | [x][y+1] | [x+1][y+1] |
* | | | |
* -------------- --------------
* ----------
* ChanX | Switch | ChanX
* [x][y] | Box | [x+1][y]
* | [x][y] |
* ----------
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y] | [x][y] | [x+1][y] |
* | | | |
* -------------- --------------
*/
clean-up warnings Verilog routing generator
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static
Update VPR7 X2P with new engine
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void dump_verilog_routing_switch_box_subckt(t_sram_orgz_info* cur_sram_orgz_info,
char* verilog_dir, char* subckt_dir,
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
t_sb* cur_sb_info,
updated Verilog generator to use compact CBs and SBs. SPICE generator to be updated
2019-05-10 11:21:06 -05:00
boolean compact_routing_hierarchy) {
Reorganize the code directory
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int itrack, inode, side, ix, iy, x, y;
int cur_num_sram, num_conf_bits, num_reserved_conf_bits, esti_sram_cnt;
Clean code and fix minor bugs
2018-08-10 14:46:00 -05:00
FILE* fp = NULL;
char* fname = NULL;
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/* Check */
assert((!(0 > cur_sb_info->x))&&(!(cur_sb_info->x > (nx + 1))));
assert((!(0 > cur_sb_info->y))&&(!(cur_sb_info->y > (ny + 1))));
x = cur_sb_info->x;
y = cur_sb_info->y;
/* Count the number of configuration bits to be consumed by this Switch block */
Update VPR7 X2P with new engine
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num_conf_bits = count_verilog_switch_box_conf_bits(cur_sram_orgz_info, cur_sb_info);
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/* Count the number of reserved configuration bits to be consumed by this Switch block */
Update VPR7 X2P with new engine
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num_reserved_conf_bits = count_verilog_switch_box_reserved_conf_bits(cur_sram_orgz_info, cur_sb_info);
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/* Estimate the sram_verilog_model->cnt */
Update VPR7 X2P with new engine
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cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
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esti_sram_cnt = cur_num_sram + num_conf_bits;
/* Record the index */
cur_sb_info->num_reserved_conf_bits = num_reserved_conf_bits;
cur_sb_info->conf_bits_lsb = cur_num_sram;
cur_sb_info->conf_bits_msb = cur_num_sram + num_conf_bits;
updated Verilog generator to use compact CBs and SBs. SPICE generator to be updated
2019-05-10 11:21:06 -05:00
/* Handle mirror switch blocks:
* For mirrors, no need to output a file
* Just update the counter
*/
if ( (TRUE == compact_routing_hierarchy)
&& (NULL != cur_sb_info->mirror) ) {
/* Again ensure the conf_bits should match !!! */
/* Count the number of configuration bits of the mirror */
int mirror_num_conf_bits = count_verilog_switch_box_conf_bits(cur_sram_orgz_info, cur_sb_info->mirror);
assert( mirror_num_conf_bits == num_conf_bits );
fixed a critical bug in Compact Verilog generation for SB/CBs
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/* update memory bits return directly */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_sb_info->conf_bits_msb);
updated Verilog generator to use compact CBs and SBs. SPICE generator to be updated
2019-05-10 11:21:06 -05:00
return;
}
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Clean code and fix minor bugs
2018-08-10 14:46:00 -05:00
/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Switch Block ", sb_verilog_file_name_prefix, cur_sb_info->x, cur_sb_info->y, &fname);
Update VPR7 X2P with new engine
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
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/* Comment lines */
fprintf(fp, "//----- Verilog Module of Switch Box[%d][%d] -----\n", cur_sb_info->x, cur_sb_info->y);
/* Print the definition of subckt*/
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fprintf(fp, "module %s ( \n", gen_verilog_one_sb_module_name(cur_sb_info));
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/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
for (side = 0; side < cur_sb_info->num_sides; side++) {
fprintf(fp, "//----- Inputs/outputs of %s side -----\n",convert_side_index_to_string(side));
determine_sb_port_coordinator((*cur_sb_info), side, &ix, &iy);
for (itrack = 0; itrack < cur_sb_info->chan_width[side]; itrack++) {
switch (cur_sb_info->chan_rr_node_direction[side][itrack]) {
case OUT_PORT:
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
fprintf(fp, " output %s,\n",
gen_verilog_routing_channel_one_pin_name(cur_sb_info->chan_rr_node[side][itrack],
ix, iy, itrack,
cur_sb_info->chan_rr_node_direction[side][itrack]));
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break;
case IN_PORT:
Update VPR7 X2P with new engine
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fprintf(fp, " input %s,\n",
gen_verilog_routing_channel_one_pin_name(cur_sb_info->chan_rr_node[side][itrack],
ix, iy, itrack,
cur_sb_info->chan_rr_node_direction[side][itrack]));
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break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File: %s [LINE%d]) Invalid direction of chany[%d][%d]_track[%d]!\n",
__FILE__, __LINE__, x, y + 1, itrack);
exit(1);
}
}
/* Dump OPINs of adjacent CLBs */
for (inode = 0; inode < cur_sb_info->num_opin_rr_nodes[side]; inode++) {
Update VPR7 X2P with new engine
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fprintf(fp, " ");
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dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an input of a SB */
cur_sb_info->opin_rr_node[side][inode]->ptc_num,
cur_sb_info->opin_rr_node_grid_side[side][inode],
cur_sb_info->opin_rr_node[side][inode]->xlow,
cur_sb_info->opin_rr_node[side][inode]->ylow,
TRUE); /* Dump the direction of the port ! */
}
}
/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
Update VPR7 X2P with new engine
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dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
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0, cur_sb_info->num_reserved_conf_bits - 1,
VERILOG_PORT_INPUT);
if (0 < cur_sb_info->num_reserved_conf_bits) {
fprintf(fp, ",\n");
}
/* Normal sram ports */
Update VPR7 X2P with new engine
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dump_verilog_sram_ports(fp, cur_sram_orgz_info,
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cur_sb_info->conf_bits_lsb,
cur_sb_info->conf_bits_msb - 1,
VERILOG_PORT_INPUT);
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
/* Dump ports only visible during formal verification*/
if (0 < (cur_sb_info->conf_bits_msb - 1 - cur_sb_info->conf_bits_lsb)) {
fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_sb_info->conf_bits_lsb,
cur_sb_info->conf_bits_msb - 1,
VERILOG_PORT_OUTPUT);
fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
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fprintf(fp, "); \n");
/* Local wires for memory configurations */
Update VPR7 X2P with new engine
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dump_verilog_sram_config_bus_internal_wires(fp, cur_sram_orgz_info,
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cur_sb_info->conf_bits_lsb, cur_sb_info->conf_bits_msb - 1);
/* Put down all the multiplexers */
for (side = 0; side < cur_sb_info->num_sides; side++) {
fprintf(fp, "//----- %s side Multiplexers -----\n",
convert_side_index_to_string(side));
for (itrack = 0; itrack < cur_sb_info->chan_width[side]; itrack++) {
assert((CHANX == cur_sb_info->chan_rr_node[side][itrack]->type)
||(CHANY == cur_sb_info->chan_rr_node[side][itrack]->type));
/* We care INC_DIRECTION tracks at this side*/
if (OUT_PORT == cur_sb_info->chan_rr_node_direction[side][itrack]) {
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dump_verilog_switch_box_interc(cur_sram_orgz_info, fp, cur_sb_info, side, cur_sb_info->chan_rr_node[side][itrack]);
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}
}
}
fprintf(fp, "endmodule\n");
/* Comment lines */
fprintf(fp, "//----- END Verilog Module of Switch Box[%d][%d] -----\n\n", x, y);
/* Check */
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assert(esti_sram_cnt == get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info));
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/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
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/* Free chan_rr_nodes */
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my_free(fname);
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return;
}
/* Count the number of configuration bits of a rr_node*/
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int count_verilog_connection_box_interc_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_rr_node* cur_rr_node) {
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int num_conf_bits = 0;
int switch_idx = 0;
int num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
if (NULL == cur_rr_node) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])NULL cur_rr_node!\n",
__FILE__, __LINE__);
exit(1);
return num_conf_bits;
}
/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_conf_bits = count_num_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
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cur_sram_orgz_info->type,
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num_drive_rr_nodes);
return num_conf_bits;
}
}
/* Count the number of configuration bits of a rr_node*/
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int count_verilog_connection_box_interc_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_rr_node* cur_rr_node) {
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int num_reserved_conf_bits = 0;
int switch_idx = 0;
int num_drive_rr_nodes = cur_rr_node->num_drive_rr_nodes;
if (NULL == cur_rr_node) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])NULL cur_rr_node!\n",
__FILE__, __LINE__);
exit(1);
return num_reserved_conf_bits;
}
/* fan_in >= 2 implies a MUX and requires configuration bits */
if (2 > num_drive_rr_nodes) {
return num_reserved_conf_bits;
} else {
switch_idx = cur_rr_node->drive_switches[0];
assert(-1 < switch_idx);
assert(SPICE_MODEL_MUX == switch_inf[switch_idx].spice_model->type);
num_reserved_conf_bits =
count_num_reserved_conf_bits_one_spice_model(switch_inf[switch_idx].spice_model,
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cur_sram_orgz_info->type,
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num_drive_rr_nodes);
return num_reserved_conf_bits;
}
}
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int count_verilog_connection_box_one_side_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
int num_ipin_rr_nodes,
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t_rr_node** ipin_rr_node) {
int num_conf_bits = 0;
int inode;
for (inode = 0; inode < num_ipin_rr_nodes; inode++) {
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num_conf_bits += count_verilog_connection_box_interc_conf_bits(cur_sram_orgz_info, ipin_rr_node[inode]);
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}
return num_conf_bits;
}
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int count_verilog_connection_box_one_side_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
int num_ipin_rr_nodes,
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t_rr_node** ipin_rr_node) {
int num_reserved_conf_bits = 0;
int temp_num_reserved_conf_bits = 0;
int inode;
for (inode = 0; inode < num_ipin_rr_nodes; inode++) {
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temp_num_reserved_conf_bits = count_verilog_connection_box_interc_reserved_conf_bits(cur_sram_orgz_info,
ipin_rr_node[inode]);
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if (temp_num_reserved_conf_bits > num_reserved_conf_bits) {
num_reserved_conf_bits = temp_num_reserved_conf_bits;
}
}
return num_reserved_conf_bits;
}
/* SRC rr_node is the IPIN of a grid.*/
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void dump_verilog_connection_box_short_interc(FILE* fp,
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t_cb* cur_cb_info,
t_rr_node* src_rr_node) {
t_rr_node* drive_rr_node = NULL;
int iedge, check_flag;
int xlow, ylow, height, side, index;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > cur_cb_info->x))&&(!(cur_cb_info->x > (nx + 1))));
assert((!(0 > cur_cb_info->y))&&(!(cur_cb_info->y > (ny + 1))));
assert(1 == src_rr_node->fan_in);
/* Check the driver*/
drive_rr_node = &(rr_node[src_rr_node->prev_node]);
assert((CHANX == drive_rr_node->type)||(CHANY == drive_rr_node->type));
check_flag = 0;
for (iedge = 0; iedge < drive_rr_node->num_edges; iedge++) {
if (src_rr_node == &(rr_node[drive_rr_node->edges[iedge]])) {
check_flag++;
}
}
assert(1 == check_flag);
xlow = src_rr_node->xlow;
ylow = src_rr_node->ylow;
height = grid[xlow][ylow].offset;
/* Call the zero-resistance model */
switch(cur_cb_info->type) {
case CHANX:
fprintf(fp, "//----- short connection cbx[%d][%d]_grid[%d][%d]_pin[%d] -----\n",
cur_cb_info->x, cur_cb_info->y, xlow, ylow + height, src_rr_node->ptc_num);
break;
case CHANY:
fprintf(fp, "//----- short connection cby[%d][%d]_grid[%d][%d]_pin[%d] ------\n",
cur_cb_info->x, cur_cb_info->y, xlow, ylow + height, src_rr_node->ptc_num);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid type of channel!\n", __FILE__, __LINE__);
exit(1);
}
fprintf(fp, "assign ");
/* output port -- > connect to the output at middle point of a channel */
fprintf(fp, "%s_%d__%d__midout_%d_ ",
convert_chan_type_to_string(drive_rr_node->type),
cur_cb_info->x, cur_cb_info->y, drive_rr_node->ptc_num);
fprintf(fp, "= ");
/* Input port*/
assert(IPIN == src_rr_node->type);
/* Search all the sides of a SB, see this drive_rr_node is an INPUT of this SB */
get_rr_node_side_and_index_in_cb_info(src_rr_node, (*cur_cb_info), OUT_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the SB */
assert((-1 != index)&&(-1 != side));
dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an output of a Connection Box */
cur_cb_info->ipin_rr_node[side][index]->ptc_num,
cur_cb_info->ipin_rr_node_grid_side[side][index],
xlow, ylow, /* Coordinator of Grid */
FALSE); /* Do not specify the direction of this pin */
/* End */
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fprintf(fp, ";\n");
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return;
}
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void dump_verilog_connection_box_mux(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
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t_cb* cur_cb_info,
t_rr_node* src_rr_node) {
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int mux_size, cur_num_sram, input_cnt = 0;
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t_rr_node** drive_rr_nodes = NULL;
int inode, mux_level, path_id, switch_index;
t_spice_model* verilog_model = NULL;
int num_mux_sram_bits = 0;
int* mux_sram_bits = NULL;
t_rr_type drive_rr_node_type = NUM_RR_TYPES;
int xlow, ylow, side, index;
int num_mux_conf_bits = 0;
int num_mux_reserved_conf_bits = 0;
int cur_bl, cur_wl;
t_spice_model* mem_model = NULL;
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char* mem_subckt_name = NULL;
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/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > cur_cb_info->x))&&(!(cur_cb_info->x > (nx + 1))));
assert((!(0 > cur_cb_info->y))&&(!(cur_cb_info->y > (ny + 1))));
/* Find drive_rr_nodes*/
mux_size = src_rr_node->num_drive_rr_nodes;
drive_rr_nodes = src_rr_node->drive_rr_nodes;
/* Configuration bits for MUX*/
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path_id = DEFAULT_PATH_ID;
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for (inode = 0; inode < mux_size; inode++) {
if (drive_rr_nodes[inode] == &(rr_node[src_rr_node->prev_node])) {
path_id = inode;
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src_rr_node->id_path = inode;
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break;
}
}
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switch_index = src_rr_node->drive_switches[DEFAULT_SWITCH_ID];
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verilog_model = switch_inf[switch_index].spice_model;
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char* name_mux = (char *) my_malloc(sizeof(char)*(1 + strlen(verilog_model->prefix) + 5
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+ strlen(my_itoa(mux_size)) + 1
+ strlen(my_itoa(verilog_model->cnt)) + 5));
sprintf(name_mux, "/%s_size%d_%d_/in", verilog_model->prefix, mux_size, verilog_model->cnt);
char* path_hierarchy = (char *) my_malloc(sizeof(char)*(strlen(gen_verilog_one_cb_instance_name(cur_cb_info))));
path_hierarchy = gen_verilog_one_cb_instance_name(cur_cb_info);
src_rr_node->name_mux = my_strcat(path_hierarchy,name_mux);
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/* Specify the input bus */
fprintf(fp, "wire [0:%d] %s_size%d_%d_inbus;\n",
mux_size - 1,
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Check drive_rr_nodes type, should be the same*/
for (inode = 0; inode < mux_size; inode++) {
if (NUM_RR_TYPES == drive_rr_node_type) {
drive_rr_node_type = drive_rr_nodes[inode]->type;
} else {
assert(drive_rr_node_type == drive_rr_nodes[inode]->type);
assert((CHANX == drive_rr_nodes[inode]->type)||(CHANY == drive_rr_nodes[inode]->type));
}
}
/* input port*/
for (inode = 0; inode < mux_size; inode++) {
fprintf(fp, "assign %s_size%d_%d_inbus[%d] = ",
verilog_model->prefix, mux_size, verilog_model->cnt, input_cnt);
fprintf(fp, "%s_%d__%d__midout_%d_;\n",
convert_chan_type_to_string(drive_rr_nodes[inode]->type),
cur_cb_info->x, cur_cb_info->y, drive_rr_nodes[inode]->ptc_num);
input_cnt++;
}
assert(input_cnt == mux_size);
/* Print SRAMs that configure this MUX */
/* cur_num_sram = sram_verilog_model->cnt; */
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cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_bl, &cur_wl);
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/* connect to reserved BL/WLs ? */
num_mux_reserved_conf_bits = count_num_reserved_conf_bits_one_spice_model(verilog_model,
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cur_sram_orgz_info->type,
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mux_size);
/* Get the number of configuration bits required by this MUX */
num_mux_conf_bits = count_num_conf_bits_one_spice_model(verilog_model,
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cur_sram_orgz_info->type,
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mux_size);
/* Dump the configuration port bus */
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dump_verilog_mux_config_bus(fp, verilog_model, cur_sram_orgz_info,
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mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
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/* Dump ports visible only during formal verification */
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
/*
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1,
VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
*/
dump_verilog_formal_verification_mux_sram_ports_wiring(fp, cur_sram_orgz_info,
verilog_model, mux_size,
cur_num_sram,
cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, "`endif\n");
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/* Call the MUX SPICE model */
fprintf(fp, "%s_size%d %s_size%d_%d_ (",
verilog_model->name, mux_size,
verilog_model->prefix, mux_size, verilog_model->cnt);
/* Dump global ports */
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if (0 < rec_dump_verilog_spice_model_global_ports(fp, verilog_model, FALSE, FALSE, FALSE)) {
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fprintf(fp, ",\n");
}
/* connect to input bus*/
fprintf(fp, "%s_size%d_%d_inbus,",
verilog_model->prefix, mux_size, verilog_model->cnt);
/* output port*/
xlow = src_rr_node->xlow;
ylow = src_rr_node->ylow;
assert(IPIN == src_rr_node->type);
/* Search all the sides of a CB, see this drive_rr_node is an INPUT of this SB */
get_rr_node_side_and_index_in_cb_info(src_rr_node, (*cur_cb_info), OUT_PORT, &side, &index);
/* We need to be sure that drive_rr_node is part of the CB */
assert((-1 != index)&&(-1 != side));
dump_verilog_grid_side_pin_with_given_index(fp, OPIN, /* This is an output of a connection box */
cur_cb_info->ipin_rr_node[side][index]->ptc_num,
cur_cb_info->ipin_rr_node_grid_side[side][index],
xlow, ylow, /* Coordinator of Grid */
FALSE); /* Do not specify the direction of port */
fprintf(fp, ", ");
/* Different design technology requires different configuration bus! */
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dump_verilog_mux_config_bus_ports(fp, verilog_model, cur_sram_orgz_info,
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mux_size, cur_num_sram, num_mux_reserved_conf_bits, num_mux_conf_bits);
fprintf(fp, ");\n");
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
decode_cmos_mux_sram_bits(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
break;
case SPICE_MODEL_DESIGN_RRAM:
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decode_rram_mux(verilog_model, mux_size, path_id, &num_mux_sram_bits, &mux_sram_bits, &mux_level);
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break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
/* Print the encoding in SPICE netlist for debugging */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
fprintf(fp, "//----- SRAM bits for MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//-----");
fprint_commented_sram_bits(fp, num_mux_sram_bits, mux_sram_bits);
fprintf(fp, "-----\n");
break;
case SPICE_MODEL_DESIGN_RRAM:
fprintf(fp, "//----- BL/WL bits for 4T1R MUX[%d], level=%d, select_path_id=%d. -----\n",
verilog_model->cnt, mux_level, path_id);
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- BL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits);
fprintf(fp, "-----\n");
fprintf(fp, "//----- From LSB(LEFT) TO MSB (RIGHT) -----\n");
fprintf(fp, "//---- WL: ");
fprint_commented_sram_bits(fp, num_mux_sram_bits/2, mux_sram_bits + num_mux_sram_bits/2);
fprintf(fp, "-----\n");
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
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get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
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/* Dump sram modules */
switch (verilog_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
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/* Call the memory module defined for this SRAM-based MUX! */
mem_subckt_name = generate_verilog_mux_subckt_name(verilog_model, mux_size, verilog_mem_posfix);
fprintf(fp, "%s %s_%d_ ( ",
mem_subckt_name, mem_subckt_name, verilog_model->cnt);
dump_verilog_mem_sram_submodule(fp, cur_sram_orgz_info, verilog_model, mux_size, mem_model,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
fprintf(fp, ");\n");
/* update the number of memory bits */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
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break;
case SPICE_MODEL_DESIGN_RRAM:
/* RRAM-based MUX does not need any SRAM dumping
* But we have to get the number of configuration bits required by this MUX
* and update the number of memory bits
*/
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update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_num_sram + num_mux_conf_bits);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info,
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cur_bl + num_mux_conf_bits,
cur_wl + num_mux_conf_bits);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for verilog model (%s)!\n",
__FILE__, __LINE__, verilog_model->name);
}
/* update sram counter */
verilog_model->cnt++;
/* Free */
my_free(mux_sram_bits);
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my_free(mem_subckt_name);
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return;
}
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void dump_verilog_connection_box_interc(t_sram_orgz_info* cur_sram_orgz_info,
FILE* fp,
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t_cb* cur_cb_info,
t_rr_node* src_rr_node) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > cur_cb_info->x))&&(!(cur_cb_info->x > (nx + 1))));
assert((!(0 > cur_cb_info->y))&&(!(cur_cb_info->y > (ny + 1))));
if (1 == src_rr_node->fan_in) {
/* Print a direct connection*/
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dump_verilog_connection_box_short_interc(fp, cur_cb_info, src_rr_node);
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} else if (1 < src_rr_node->fan_in) {
/* Print the multiplexer, fan_in >= 2 */
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dump_verilog_connection_box_mux(cur_sram_orgz_info, fp, cur_cb_info, src_rr_node);
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} /*Nothing should be done else*/
return;
}
/* Count the number of configuration bits of a connection box */
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int count_verilog_connection_box_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_cb* cur_cb_info) {
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int side;
int side_cnt = 0;
int num_conf_bits = 0;
for (side = 0; side < cur_cb_info->num_sides; side++) {
/* Bypass side with zero IPINs*/
if (0 == cur_cb_info->num_ipin_rr_nodes[side]) {
continue;
}
side_cnt++;
assert(0 < cur_cb_info->num_ipin_rr_nodes[side]);
assert(NULL != cur_cb_info->ipin_rr_node[side]);
/* Count the number of configuration bits */
Update VPR7 X2P with new engine
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num_conf_bits += count_verilog_connection_box_one_side_conf_bits(cur_sram_orgz_info,
cur_cb_info->num_ipin_rr_nodes[side],
cur_cb_info->ipin_rr_node[side]);
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}
/* Make sure only 2 sides of IPINs are printed */
assert((1 == side_cnt)||(2 == side_cnt));
return num_conf_bits;
}
/* Count the number of reserved configuration bits of a connection box */
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int count_verilog_connection_box_reserved_conf_bits(t_sram_orgz_info* cur_sram_orgz_info,
t_cb* cur_cb_info) {
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int side;
int side_cnt = 0;
int num_reserved_conf_bits = 0;
int temp_num_reserved_conf_bits = 0;
for (side = 0; side < cur_cb_info->num_sides; side++) {
/* Bypass side with zero IPINs*/
if (0 == cur_cb_info->num_ipin_rr_nodes[side]) {
continue;
}
side_cnt++;
assert(0 < cur_cb_info->num_ipin_rr_nodes[side]);
assert(NULL != cur_cb_info->ipin_rr_node[side]);
/* Count the number of reserved configuration bits */
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temp_num_reserved_conf_bits = count_verilog_connection_box_one_side_reserved_conf_bits(cur_sram_orgz_info,
cur_cb_info->num_ipin_rr_nodes[side],
cur_cb_info->ipin_rr_node[side]);
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/* Only consider the largest reserved configuration bits */
if (temp_num_reserved_conf_bits > num_reserved_conf_bits) {
num_reserved_conf_bits = temp_num_reserved_conf_bits;
}
}
/* Make sure only 2 sides of IPINs are printed */
assert((1 == side_cnt)||(2 == side_cnt));
return num_reserved_conf_bits;
}
/* Print connection boxes
* Print the sub-circuit of a connection Box (Type: [CHANX|CHANY])
* Actually it is very similiar to switch box but
* the difference is connection boxes connect Grid INPUT Pins to channels
* TODO: merge direct connections into CB
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y+1] | [x][y] | [x+1][y+1] |
* | | Connection | |
* -------------- Box_Y[x][y] --------------
* ----------
* ChanX | Switch | ChanX
* [x][y] | Box | [x+1][y]
* Connection | [x][y] | Connection
* Box_X[x][y] ---------- Box_X[x+1][y]
* -------------- --------------
* | | | |
* | Grid | ChanY | Grid |
* | [x][y] | [x][y-1] | [x+1][y] |
* | | Connection | |
* --------------Box_Y[x][y-1]--------------
*/
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void dump_verilog_routing_connection_box_subckt(t_sram_orgz_info* cur_sram_orgz_info,
char* verilog_dir, char* subckt_dir,
t_cb* cur_cb_info,
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boolean compact_routing_hierarchy) {
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int itrack, inode, side, x, y;
int side_cnt = 0;
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FILE* fp = NULL;
char* fname = NULL;
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int cur_num_sram, num_conf_bits, num_reserved_conf_bits, esti_sram_cnt;
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/* Check */
assert((!(0 > cur_cb_info->x))&&(!(cur_cb_info->x > (nx + 1))));
assert((!(0 > cur_cb_info->y))&&(!(cur_cb_info->y > (ny + 1))));
x= cur_cb_info->x;
y= cur_cb_info->y;
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/* Count the number of configuration bits */
/* Count the number of configuration bits to be consumed by this Switch block */
num_conf_bits = count_verilog_connection_box_conf_bits(cur_sram_orgz_info, cur_cb_info);
/* Count the number of reserved configuration bits to be consumed by this Switch block */
num_reserved_conf_bits = count_verilog_connection_box_reserved_conf_bits(cur_sram_orgz_info, cur_cb_info);
/* Estimate the sram_verilog_model->cnt */
cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
esti_sram_cnt = cur_num_sram + num_conf_bits;
/* Record index */
cur_cb_info->num_reserved_conf_bits = num_reserved_conf_bits;
cur_cb_info->conf_bits_lsb = cur_num_sram;
cur_cb_info->conf_bits_msb = cur_num_sram + num_conf_bits;
/* Handle mirror switch blocks:
* For mirrors, no need to output a file
* Just update the counter
*/
if ( (TRUE == compact_routing_hierarchy)
&& (NULL != cur_cb_info->mirror) ) {
/* Again ensure the conf_bits should match !!! */
/* Count the number of configuration bits of the mirror */
int mirror_num_conf_bits = count_verilog_connection_box_conf_bits(cur_sram_orgz_info, cur_cb_info->mirror);
assert( mirror_num_conf_bits == num_conf_bits );
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
/* update memory bits return directly */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info, cur_cb_info->conf_bits_msb);
updated Verilog generator to use compact CBs and SBs. SPICE generator to be updated
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return;
}
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/* Print the definition of subckt*/
/* Identify the type of connection box */
switch(cur_cb_info->type) {
case CHANX:
Clean code and fix minor bugs
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Connection Block - X direction ", cbx_verilog_file_name_prefix, cur_cb_info->x, cur_cb_info->y, &fname);
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
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/* Comment lines */
fprintf(fp, "//----- Verilog Module of Connection Box -X direction [%d][%d] -----\n", x, y);
fprintf(fp, "module ");
fprintf(fp, "cbx_%d__%d_ ", cur_cb_info->x, cur_cb_info->y);
break;
case CHANY:
Clean code and fix minor bugs
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/* Create file handler */
fp = verilog_create_one_subckt_file(subckt_dir, "Connection Block - Y direction ", cby_verilog_file_name_prefix, cur_cb_info->x, cur_cb_info->y, &fname);
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/* Print preprocessing flags */
verilog_include_defines_preproc_file(fp, verilog_dir);
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/* Comment lines */
fprintf(fp, "//----- Verilog Module of Connection Box -Y direction [%d][%d] -----\n", x, y);
fprintf(fp, "module ");
fprintf(fp, "cby_%d__%d_ ", cur_cb_info->x, cur_cb_info->y);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid type of channel!\n", __FILE__, __LINE__);
exit(1);
}
fprintf(fp, "(\n");
/* dump global ports */
if (0 < dump_verilog_global_ports(fp, global_ports_head, TRUE)) {
fprintf(fp, ",\n");
}
/* Print the ports of channels*/
/*connect to the mid point of a track*/
/* Get the chan_rr_nodes: Only one side of a cb_info has chan_rr_nodes*/
side_cnt = 0;
for (side = 0; side < cur_cb_info->num_sides; side++) {
/* Bypass side with zero channel width */
if (0 == cur_cb_info->chan_width[side]) {
continue;
}
assert (0 < cur_cb_info->chan_width[side]);
side_cnt++;
for (itrack = 0; itrack < cur_cb_info->chan_width[side]; itrack++) {
Update VPR7 X2P with new engine
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fprintf(fp, "input %s, \n",
gen_verilog_routing_channel_one_midout_name( cur_cb_info,
itrack));
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}
}
/*check side_cnt */
assert((1 == side_cnt)||(2 == side_cnt));
side_cnt = 0;
/* Print the ports of grids*/
/* only check ipin_rr_nodes of cur_cb_info */
for (side = 0; side < cur_cb_info->num_sides; side++) {
/* Bypass side with zero IPINs*/
if (0 == cur_cb_info->num_ipin_rr_nodes[side]) {
continue;
}
side_cnt++;
assert(0 < cur_cb_info->num_ipin_rr_nodes[side]);
assert(NULL != cur_cb_info->ipin_rr_node[side]);
for (inode = 0; inode < cur_cb_info->num_ipin_rr_nodes[side]; inode++) {
/* Print each INPUT Pins of a grid */
dump_verilog_grid_side_pin_with_given_index(fp, IPIN, /* This is an output of a connection box */
cur_cb_info->ipin_rr_node[side][inode]->ptc_num,
cur_cb_info->ipin_rr_node_grid_side[side][inode],
cur_cb_info->ipin_rr_node[side][inode]->xlow,
cur_cb_info->ipin_rr_node[side][inode]->ylow,
TRUE);
}
}
/* Make sure only 2 sides of IPINs are printed */
assert((1 == side_cnt)||(2 == side_cnt));
/* Put down configuration port */
/* output of each configuration bit */
/* Reserved sram ports */
Update VPR7 X2P with new engine
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dump_verilog_reserved_sram_ports(fp, cur_sram_orgz_info,
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0, cur_cb_info->num_reserved_conf_bits - 1,
VERILOG_PORT_INPUT);
if (0 < cur_cb_info->num_reserved_conf_bits) {
fprintf(fp, ",\n");
}
/* Normal sram ports */
Update VPR7 X2P with new engine
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dump_verilog_sram_ports(fp, cur_sram_orgz_info,
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cur_cb_info->conf_bits_lsb,
cur_cb_info->conf_bits_msb - 1,
VERILOG_PORT_INPUT);
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
/* Dump ports only visible during formal verification*/
if (0 < (cur_cb_info->conf_bits_msb - 1 - cur_cb_info->conf_bits_lsb)) {
fprintf(fp, "\n");
fprintf(fp, "`ifdef %s\n", verilog_formal_verification_preproc_flag);
fprintf(fp, ",\n");
dump_verilog_formal_verification_sram_ports(fp, cur_sram_orgz_info,
cur_cb_info->conf_bits_lsb,
cur_cb_info->conf_bits_msb - 1,
update gsb unique module detection and fix formal verification port direction
2019-06-07 18:18:38 -05:00
VERILOG_PORT_INPUT);
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fprintf(fp, "\n");
fprintf(fp, "`endif\n");
}
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/* subckt definition ends with svdd and sgnd*/
fprintf(fp, ");\n");
/* Local wires for memory configurations */
Update VPR7 X2P with new engine
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dump_verilog_sram_config_bus_internal_wires(fp, cur_sram_orgz_info,
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cur_cb_info->conf_bits_lsb, cur_cb_info->conf_bits_msb - 1);
/* Record LSB and MSB of reserved_conf_bits and normal conf_bits */
/* Print multiplexers or direct interconnect*/
side_cnt = 0;
for (side = 0; side < cur_cb_info->num_sides; side++) {
/* Bypass side with zero IPINs*/
if (0 == cur_cb_info->num_ipin_rr_nodes[side]) {
continue;
}
side_cnt++;
assert(0 < cur_cb_info->num_ipin_rr_nodes[side]);
assert(NULL != cur_cb_info->ipin_rr_node[side]);
for (inode = 0; inode < cur_cb_info->num_ipin_rr_nodes[side]; inode++) {
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
dump_verilog_connection_box_interc(cur_sram_orgz_info, fp, cur_cb_info,
cur_cb_info->ipin_rr_node[side][inode]);
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}
}
fprintf(fp, "endmodule\n");
/* Comment lines */
switch(cur_cb_info->type) {
case CHANX:
fprintf(fp, "//----- END Verilog Module of Connection Box -X direction [%d][%d] -----\n\n", x, y);
break;
case CHANY:
fprintf(fp, "//----- END Verilog Module of Connection Box -Y direction [%d][%d] -----\n\n", x, y);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid type of channel!\n", __FILE__, __LINE__);
exit(1);
}
/* Check */
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
assert(esti_sram_cnt == get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info));
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Clean code and fix minor bugs
2018-08-10 14:46:00 -05:00
/* Close file handler */
fclose(fp);
/* Add fname to the linked list */
routing_verilog_subckt_file_path_head = add_one_subckt_file_name_to_llist(routing_verilog_subckt_file_path_head, fname);
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/* Free */
Clean code and fix minor bugs
2018-08-10 14:46:00 -05:00
my_free(fname);
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return;
}
/* Top Function*/
/* Build the routing resource SPICE sub-circuits*/
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
void dump_verilog_routing_resources(t_sram_orgz_info* cur_sram_orgz_info,
char* verilog_dir,
char* subckt_dir,
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t_arch arch,
t_det_routing_arch* routing_arch,
int LL_num_rr_nodes, t_rr_node* LL_rr_node,
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
t_ivec*** LL_rr_node_indices,
t_rr_indexed_data* LL_rr_indexed_data,
updated Verilog generator to use compact CBs and SBs. SPICE generator to be updated
2019-05-10 11:21:06 -05:00
t_syn_verilog_opts fpga_verilog_opts,
boolean compact_routing_hierarchy) {
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assert(UNI_DIRECTIONAL == routing_arch->directionality);
/* Two major tasks:
* 1. Generate sub-circuits for Routing Channels
* 2. Generate sub-circuits for Switch Boxes
*/
/* Now: First task: Routing channels
* Sub-circuits are named as chanx[ix][iy] or chany[ix][iy] for horizontal or vertical channels
* each channels consist of a number of routing tracks. (Actually they are metal wires)
* We only support single-driver routing architecture.
* The direction is defined as INC_DIRECTION ------> and DEC_DIRECTION <-------- for chanx
* The direction is defined as INC_DIRECTION /|\ and DEC_DIRECTION | for chany
* | |
* | |
* | \|/
* For INC_DIRECTION chanx, the inputs are at the left of channels, the outputs are at the right of channels
* For DEC_DIRECTION chanx, the inputs are at the right of channels, the outputs are at the left of channels
* For INC_DIRECTION chany, the inputs are at the bottom of channels, the outputs are at the top of channels
* For DEC_DIRECTION chany, the inputs are at the top of channels, the outputs are at the bottom of channels
*/
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
if (TRUE == compact_routing_hierarchy) {
/* Call all the unique mirrors in a DeviceRRChan */
vpr_printf(TIO_MESSAGE_INFO, "Writing X-direction Channels...\n");
/* X - channels [1...nx][0..ny]*/
for (size_t ichan = 0; ichan < device_rr_chan.get_num_modules(CHANX); ++ichan) {
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_routing_chan_subckt(verilog_dir, subckt_dir,
ichan, device_rr_chan.get_module(CHANX, ichan));
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}
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
/* Y - channels [1...ny][0..nx]*/
vpr_printf(TIO_MESSAGE_INFO, "Writing Y-direction Channels...\n");
for (size_t ichan = 0; ichan < device_rr_chan.get_num_modules(CHANY); ++ichan) {
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_routing_chan_subckt(verilog_dir, subckt_dir,
ichan, device_rr_chan.get_module(CHANY, ichan));
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
}
} else {
/* Output the full array of routing channels */
vpr_printf(TIO_MESSAGE_INFO, "Writing X-direction Channels...\n");
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (int iy = 0; iy < (ny + 1); iy++) {
for (int ix = 1; ix < (nx + 1); ix++) {
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_routing_chan_subckt(verilog_dir, subckt_dir, ix, iy, CHANX,
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
LL_num_rr_nodes, LL_rr_node, LL_rr_node_indices, LL_rr_indexed_data,
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
arch.num_segments);
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
}
}
/* Y - channels [1...ny][0..nx]*/
vpr_printf(TIO_MESSAGE_INFO, "Writing Y-direction Channels...\n");
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (int ix = 0; ix < (nx + 1); ix++) {
for (int iy = 1; iy < (ny + 1); iy++) {
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
dump_verilog_routing_chan_subckt(verilog_dir, subckt_dir, ix, iy, CHANY,
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
LL_num_rr_nodes, LL_rr_node, LL_rr_node_indices, LL_rr_indexed_data,
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
arch.num_segments);
add routing_channel unique module generation
2019-05-20 23:33:17 -05:00
}
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}
}
/* Switch Boxes*/
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
if (TRUE == compact_routing_hierarchy) {
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
/* Create a snapshot on sram_orgz_info */
t_sram_orgz_info* stamped_sram_orgz_info = snapshot_sram_orgz_info(cur_sram_orgz_info);
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
/* Output unique side modules */
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
for (size_t side = 0; side < device_rr_gsb.get_max_num_sides(); ++side) {
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
Side side_manager(side);
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
for (size_t iseg = 0; iseg < device_rr_gsb.get_num_segments(); ++iseg) {
clean up DeviceRRGSB internal data and member functions
2019-06-07 15:45:56 -05:00
for (size_t isb = 0; isb < device_rr_gsb.get_num_sb_unique_submodule(side_manager.get_side(), iseg); ++isb) {
RRGSB unique_mirror = device_rr_gsb.get_sb_unique_submodule(isb, side_manager.get_side(), iseg);
rename rr_switch_block to rr_gsb, a generic block
2019-06-06 18:41:01 -05:00
size_t seg_id = device_rr_gsb.get_segment_id(iseg);
support switch block submodule Verilog generation by segments
2019-06-05 13:56:05 -05:00
dump_verilog_routing_switch_box_unique_side_module(cur_sram_orgz_info, verilog_dir, subckt_dir, isb, seg_id, unique_mirror, side_manager.get_side());
}
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
}
}
/* Output unique modules */
clean up DeviceRRGSB internal data and member functions
2019-06-07 15:45:56 -05:00
for (size_t isb = 0; isb < device_rr_gsb.get_num_sb_unique_module(); ++isb) {
RRGSB unique_mirror = device_rr_gsb.get_sb_unique_module(isb);
add rr_block unique_side_module verilog generation
2019-06-04 18:47:40 -05:00
dump_verilog_routing_switch_box_unique_module(cur_sram_orgz_info, verilog_dir, subckt_dir, unique_mirror);
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
}
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
/* Restore sram_orgz_info to the base */
copy_sram_orgz_info (cur_sram_orgz_info, stamped_sram_orgz_info);
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
DeviceCoordinator sb_range = device_rr_gsb.get_gsb_range();
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (size_t ix = 0; ix < sb_range.get_x(); ++ix) {
for (size_t iy = 0; iy < sb_range.get_y(); ++iy) {
add new class port to simplify codes in outputting codes, upgrade RRSwitch to RRGSB
2019-06-07 00:45:21 -05:00
RRGSB rr_sb = device_rr_gsb.get_gsb(ix, iy);
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
update_routing_switch_box_conf_bits(cur_sram_orgz_info, rr_sb);
}
}
/* Free */
free_sram_orgz_info(stamped_sram_orgz_info, stamped_sram_orgz_info->type);
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
} else {
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (int ix = 0; ix < (nx + 1); ix++) {
for (int iy = 0; iy < (ny + 1); iy++) {
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
/* vpr_printf(TIO_MESSAGE_INFO, "Writing Switch Boxes[%d][%d]...\n", ix, iy); */
update_spice_models_routing_index_low(ix, iy, SOURCE, arch.spice->num_spice_model, arch.spice->spice_models);
dump_verilog_routing_switch_box_subckt(cur_sram_orgz_info, verilog_dir, subckt_dir, &(sb_info[ix][iy]),
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
compact_routing_hierarchy);
upgrade Verilog SB generator using the RRSwitchBlock
2019-05-23 18:37:39 -05:00
update_spice_models_routing_index_high(ix, iy, SOURCE, arch.spice->num_spice_model, arch.spice->spice_models);
}
Reorganize the code directory
2018-07-26 12:28:21 -05:00
}
}
/* Connection Boxes */
/* X - channels [1...nx][0..ny]*/
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (int iy = 0; iy < (ny + 1); iy++) {
for (int ix = 1; ix < (nx + 1); ix++) {
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
/* vpr_printf(TIO_MESSAGE_INFO, "Writing X-direction Connection Boxes[%d][%d]...\n", ix, iy); */
Reorganize the code directory
2018-07-26 12:28:21 -05:00
update_spice_models_routing_index_low(ix, iy, CHANX, arch.spice->num_spice_model, arch.spice->spice_models);
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
if ((TRUE == is_cb_exist(CHANX, ix, iy))
&&(0 < count_cb_info_num_ipin_rr_nodes(cbx_info[ix][iy]))) {
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
dump_verilog_routing_connection_box_subckt(cur_sram_orgz_info, verilog_dir, subckt_dir, &(cbx_info[ix][iy]),
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
compact_routing_hierarchy);
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
}
Reorganize the code directory
2018-07-26 12:28:21 -05:00
update_spice_models_routing_index_high(ix, iy, CHANX, arch.spice->num_spice_model, arch.spice->spice_models);
}
}
/* Y - channels [1...ny][0..nx]*/
fixed a critical bug in Compact Verilog generation for SB/CBs
2019-05-24 17:14:46 -05:00
for (int ix = 0; ix < (nx + 1); ix++) {
for (int iy = 1; iy < (ny + 1); iy++) {
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
/* vpr_printf(TIO_MESSAGE_INFO, "Writing Y-direction Connection Boxes[%d][%d]...\n", ix, iy); */
Reorganize the code directory
2018-07-26 12:28:21 -05:00
update_spice_models_routing_index_low(ix, iy, CHANY, arch.spice->num_spice_model, arch.spice->spice_models);
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
if ((TRUE == is_cb_exist(CHANY, ix, iy))
&&(0 < count_cb_info_num_ipin_rr_nodes(cby_info[ix][iy]))) {
Update VPR7 X2P with new engine
2019-04-26 13:23:47 -05:00
dump_verilog_routing_connection_box_subckt(cur_sram_orgz_info, verilog_dir, subckt_dir, &(cby_info[ix][iy]),
clean-up warnings Verilog routing generator
2019-05-24 17:29:17 -05:00
compact_routing_hierarchy);
get FPGA-SPICE updated for release - Clear printf and fix assert bugs
2018-08-01 15:04:28 -05:00
}
Reorganize the code directory
2018-07-26 12:28:21 -05:00
update_spice_models_routing_index_high(ix, iy, CHANY, arch.spice->num_spice_model, arch.spice->spice_models);
}
}
Clean code and fix minor bugs
2018-08-10 14:46:00 -05:00
/* Output a header file for all the routing blocks */
vpr_printf(TIO_MESSAGE_INFO,"Generating header file for routing submodules...\n");
dump_verilog_subckt_header_file(routing_verilog_subckt_file_path_head,
subckt_dir,
routing_verilog_file_name);
Reorganize the code directory
2018-07-26 12:28:21 -05:00
return;
}