64 lines
1.9 KiB
C
64 lines
1.9 KiB
C
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#include <assert.h>
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#include "util.h"
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#include "vpr_types.h"
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#include "globals.h"
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#include "OptionTokens.h"
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#include "ReadOptions.h"
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#include "read_xml_arch_file.h"
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#include "SetupVPR.h"
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/******** Function Prototypes ********/
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static void CheckSwitches(INP t_arch Arch, INP boolean TimingEnabled);
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static void CheckSegments(INP t_arch Arch);
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/******** Function Implementations ********/
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void CheckArch(INP t_arch Arch, INP boolean TimingEnabled) {
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CheckSwitches(Arch, TimingEnabled);
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CheckSegments(Arch);
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}
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static void CheckSwitches(INP t_arch Arch, INP boolean TimingEnabled) {
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struct s_switch_inf *CurSwitch;
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int i;
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/* Check transistors in switches won't be less than minimum size */
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CurSwitch = Arch.Switches;
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for (i = 0; i < Arch.num_switches; i++) {
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/* This assumes all segments have the same directionality */
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if (CurSwitch->buffered
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&& Arch.Segments[0].directionality == BI_DIRECTIONAL) {
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/* Largest resistance tri-state buffer would have a minimum
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* width transistor in the buffer pull-down and a min-width
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* pass transistoron the output.
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* Hence largest R = 2 * largest_transistor_R. */
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if (CurSwitch->R > 2 * Arch.R_minW_nmos) {
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vpr_printf(TIO_MESSAGE_ERROR, "Switch %s R value (%g) is greater than 2 * R_minW_nmos (%g).\n",
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CurSwitch->name, CurSwitch->R, (2 * Arch.R_minW_nmos));
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exit(1);
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}
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} else { /* Pass transistor switch */
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if (CurSwitch->R > Arch.R_minW_nmos) {
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vpr_printf(TIO_MESSAGE_ERROR, "Switch %s R value (%g) is greater than R_minW_nmos (%g).\n",
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CurSwitch->name, CurSwitch->R, Arch.R_minW_nmos);
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exit(1);
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}
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}
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}
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}
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static void CheckSegments(INP t_arch Arch) {
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t_segment_inf *CurSeg;
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int i;
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CurSeg = Arch.Segments;
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for (i = 0; i < Arch.num_segments; i++) {
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if (CurSeg[i].directionality == UNI_DIRECTIONAL
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&& CurSeg[i].longline == TRUE) {
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vpr_printf(TIO_MESSAGE_ERROR, "Long lines not supported for unidirectional architectures.\n");
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exit(1);
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}
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}
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}
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