CheckSetup.c File Reference

#include "util.h"
#include "vpr_types.h"
#include "globals.h"
#include "OptionTokens.h"
#include "ReadOptions.h"
#include "read_xml_arch_file.h"
#include "SetupVPR.h"

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Functions
void	CheckSetup (INP enum e_operation Operation, INP struct s_placer_opts PlacerOpts, INP struct s_annealing_sched AnnealSched, INP struct s_router_opts RouterOpts, INP struct s_det_routing_arch RoutingArch, INP t_segment_inf *Segments, INP t_timing_inf Timing, INP t_chan_width_dist Chans)

Function Documentation

void CheckSetup	(	INP enum e_operation	Operation,
		INP struct s_placer_opts	PlacerOpts,
		INP struct s_annealing_sched	AnnealSched,
		INP struct s_router_opts	RouterOpts,
		INP struct s_det_routing_arch	RoutingArch,
		INP t_segment_inf *	Segments,
		INP t_timing_inf	Timing,
		INP t_chan_width_dist	Chans
	)

Definition at line 9 of file CheckSetup.c.

                                                              {
    int i;
    int Tmp;

    if ((GLOBAL == RouterOpts.route_type)
            && (TIMING_DRIVEN == RouterOpts.router_algorithm)) {

        vpr_printf(TIO_MESSAGE_ERROR, "The global router does not support timing-drvien routing.\n");
        exit(1);
    }

    if ((GLOBAL == RouterOpts.route_type)
            && (BOUNDING_BOX_PLACE != PlacerOpts.place_algorithm)) {

        /* Works, but very weird.  Can't optimize timing well, since you're
         * not doing proper architecture delay modelling. */
        vpr_printf(TIO_MESSAGE_WARNING, "Using global routing with timing-driven placement. "
                   "This is allowed, but strange, and circuit speed will suffer.\n");
    }

    if ((FALSE == Timing.timing_analysis_enabled)
            && ((PlacerOpts.place_algorithm == NET_TIMING_DRIVEN_PLACE)
                    || (PlacerOpts.place_algorithm == PATH_TIMING_DRIVEN_PLACE))) {

        /* May work, not tested */
        vpr_printf(TIO_MESSAGE_ERROR, "Timing analysis must be enabled for timing-driven placement.\n");
        exit(1);
    }

    if (!PlacerOpts.doPlacement && (USER == PlacerOpts.pad_loc_type)) {
        vpr_printf(TIO_MESSAGE_ERROR, "A pad location file requires that placement is enabled.\n");
        exit(1);
    }

    if (RouterOpts.doRouting) {
        if ((TIMING_DRIVEN == RouterOpts.router_algorithm)
                && (FALSE == Timing.timing_analysis_enabled)) {
            vpr_printf(TIO_MESSAGE_ERROR, "Cannot perform timing-driven routing when timing analysis is disabled.\n");
            exit(1);
        }

        if ((FALSE == Timing.timing_analysis_enabled)
                && (DEMAND_ONLY != RouterOpts.base_cost_type)) {
            vpr_printf(TIO_MESSAGE_ERROR, "base_cost_type must be demand_only when timing analysis is disabled.\n");
            exit(1);
        }
    }

    if ((TIMING_ANALYSIS_ONLY == Operation)
            && (FALSE == Timing.timing_analysis_enabled)) {
        vpr_printf(TIO_MESSAGE_ERROR, "-timing_analyze_only_with_net_delay option requires that timing analysis not be disabled.\n");
        exit(1);
    }

    if (DETAILED == RouterOpts.route_type) {
        if ((Chans.chan_x_dist.type != UNIFORM)
                || (Chans.chan_y_dist.type != UNIFORM)
                || (Chans.chan_x_dist.peak != Chans.chan_y_dist.peak)
                || (Chans.chan_x_dist.peak != Chans.chan_width_io)) {
            vpr_printf(TIO_MESSAGE_ERROR, "Detailed routing currently only supported on FPGAs with all channels of equal width.\n");
            exit(1);
        }
    }

    for (i = 0; i < RoutingArch.num_segment; ++i) {
        Tmp = Segments[i].opin_switch;
        if (FALSE == switch_inf[Tmp].buffered) {
            vpr_printf(TIO_MESSAGE_ERROR, "opin_switch (#%d) of segment type #%d is not buffered.\n", Tmp, i);
            exit(1);
        }
    }

    if (UNI_DIRECTIONAL == RoutingArch.directionality) {
        if ((RouterOpts.fixed_channel_width != NO_FIXED_CHANNEL_WIDTH)
                && (RouterOpts.fixed_channel_width % 2 > 0)) {
            vpr_printf(TIO_MESSAGE_ERROR, "Routing channel width must be even for unidirectional.\n");
            exit(1);
        }
        if ((PlacerOpts.place_chan_width != NO_FIXED_CHANNEL_WIDTH)
                && (PlacerOpts.place_chan_width % 2 > 0)) {
            vpr_printf(TIO_MESSAGE_ERROR, "Place channel width must be even for unidirectional.\n");
            exit(1);
        }
    }
}

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