SRC/CheckArch.c File Reference

#include <assert.h>
#include "util.h"
#include "vpr_types.h"
#include "globals.h"
#include "OptionTokens.h"
#include "ReadOptions.h"
#include "xml_arch.h"
#include "SetupVPR.h"

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Functions
static void	CheckSwitches (IN t_arch Arch, IN boolean TimingEnabled)
static void	CheckSegments (IN t_arch Arch)
void	CheckArch (IN t_arch Arch, IN boolean TimingEnabled)

---

Function Documentation

void CheckArch	(	IN t_arch	Arch,
		IN boolean	TimingEnabled
	)

Definition at line 19 of file CheckArch.c.

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

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static void CheckSegments

(

IN t_arch

Arch

)

[static]

Definition at line 67 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) {
                        printf("Long lines not supported for unidirectional architectures\n");
                        exit(1);
                }
        }
}

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static void CheckSwitches	(	IN t_arch	Arch,
		IN boolean	TimingEnabled
	)			[static]

Definition at line 27 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)
                        {
                            printf(ERRTAG
                                   "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)
                        {
                            printf(ERRTAG
                                   "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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