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update SDC generator disabled_unused_mux by using RRSwitchBlock

This commit is contained in:
tangxifan 2019-05-24 15:42:00 -06:00
parent f27b88db8d
commit 1ade1f1d3f
1 changed files with 49 additions and 2 deletions
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51
vpr7_x2p/vpr/SRC/fpga_x2p/verilog/verilog_sdc.c
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@ -1001,6 +1001,53 @@ void verilog_generate_sdc_disable_sram_orgz(FILE* fp,
return;
}
static
void verilog_generate_sdc_disable_unused_sbs_muxs(FILE* fp) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
DeviceCoordinator sb_range = device_rr_switch_block.get_switch_block_range();
for (size_t ix = 0; ix < sb_range.get_x(); ++ix) {
for (size_t iy = 0; iy < sb_range.get_y(); ++iy) {
RRSwitchBlock rr_sb = device_rr_switch_block.get_switch_block(ix, iy);
/* Print comments */
fprintf(fp,
"########################################################\n");
fprintf(fp,
"### Disable Timing for MUXES in Switch block[%lu][%lu] ###\n",
ix, iy);
fprintf(fp,
"########################################################\n");
for (size_t side = 0; side < rr_sb.get_num_sides(); ++side) {
Side side_manager(side);
for (size_t itrack = 0; itrack < rr_sb.get_chan_width(side_manager.get_side()); ++itrack) {
/* bypass non-mux pins */
if (OUT_PORT != rr_sb.get_chan_node_direction(side_manager.get_side(), itrack)) {
continue;
}
t_rr_node* cur_rr_node = rr_sb.get_chan_node(side_manager.get_side(), itrack);
for (int imux = 0 ; imux < cur_rr_node->fan_in; ++imux) {
if (imux == cur_rr_node->id_path) {
fprintf(fp, "#"); // comments out if the node is active
}
//if(cur_rr_node->name_mux == NULL) assert (NULL != cur_rr_node->name_mux);
fprintf(fp, "set_disable_timing %s[%d]\n",
cur_rr_node->name_mux, imux);
}
}
}
}
}
return;
}
void verilog_generate_sdc_disable_unused_sbs_muxs(FILE* fp, int LL_nx, int LL_ny) {
int ix, iy, side, itrack, imux;
@ -2059,12 +2106,12 @@ void verilog_generate_sdc_analysis(t_sram_orgz_info* cur_sram_orgz_info,
/* Apply to Switch blocks */
if (TRUE == compact_routing_hierarchy) {
verilog_generate_sdc_disable_unused_sbs(fp);
verilog_generate_sdc_disable_unused_sbs_muxs(fp);
} else {
verilog_generate_sdc_disable_unused_sbs(fp, LL_nx, LL_ny);
verilog_generate_sdc_disable_unused_sbs_muxs(fp, LL_nx, LL_ny);
}
verilog_generate_sdc_disable_unused_sbs_muxs(fp, LL_nx, LL_ny);
/* Apply to Grids */
verilog_generate_sdc_disable_unused_grids(fp, LL_nx, LL_ny, LL_grid, LL_block);
verilog_generate_sdc_disable_unused_grids_muxs(fp, LL_nx, LL_ny, LL_grid, LL_block);