CheckArch.c File Reference

#include <assert.h>
#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
static void	CheckSwitches (INP t_arch Arch, INP boolean TimingEnabled)
static void	CheckSegments (INP t_arch Arch)
void	CheckArch (INP t_arch Arch, INP boolean TimingEnabled)

Function Documentation

void CheckArch	(	INP t_arch	Arch,
		INP boolean	TimingEnabled
	)

Definition at line 17 of file CheckArch.c.

                                                           {
    CheckSwitches(Arch, TimingEnabled);
    CheckSegments(Arch);
}

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static void CheckSegments ( INP t_arch  Arch )

static

Definition at line 51 of file CheckArch.c.

                                           {
    t_segment_inf *CurSeg;
    int i;

    CurSeg = Arch.Segments;
    for (i = 0; i < Arch.num_segments; i++) {
        if (CurSeg[i].directionality == UNI_DIRECTIONAL
                && CurSeg[i].longline == TRUE) {
            vpr_printf(TIO_MESSAGE_ERROR, "Long lines not supported for unidirectional architectures.\n");
            exit(1);
        }
    }
}

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static void CheckSwitches ( INP t_arch  Arch, INP boolean  TimingEnabled  )

static

Definition at line 22 of file CheckArch.c.

                                                                      {
    struct s_switch_inf *CurSwitch;
    int i;

    /* Check transistors in switches won't be less than minimum size */
    CurSwitch = Arch.Switches;
    for (i = 0; i < Arch.num_switches; i++) {
        /* This assumes all segments have the same directionality */
        if (CurSwitch->buffered
                && Arch.Segments[0].directionality == BI_DIRECTIONAL) {
            /* Largest resistance tri-state buffer would have a minimum 
             * width transistor in the buffer pull-down and a min-width 
             * pass transistoron the output.  
             * Hence largest R = 2 * largest_transistor_R. */
            if (CurSwitch->R > 2 * Arch.R_minW_nmos) {
                vpr_printf(TIO_MESSAGE_ERROR, "Switch %s R value (%g) is greater than 2 * R_minW_nmos (%g).\n", 
                        CurSwitch->name, CurSwitch->R, (2 * Arch.R_minW_nmos));
                exit(1);
            }
        } else { /* Pass transistor switch */
            if (CurSwitch->R > Arch.R_minW_nmos) {
                vpr_printf(TIO_MESSAGE_ERROR, "Switch %s R value (%g) is greater than R_minW_nmos (%g).\n", 
                        CurSwitch->name, CurSwitch->R, Arch.R_minW_nmos);
                exit(1);
            }
        }
    }
}

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