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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vpi_user.h>
static vpiHandle clk;
static unsigned cycle;
static void
show_value (const char *name)
{
vpiHandle net;
vpiHandle rng;
vpiHandle el;
s_vpi_value val;
int left, right;
int i;
net = vpi_handle_by_name ((char *)name, NULL);
if (net == NULL)
{
printf ("cannot get net: %s\n", name);
exit(1);
return;
}
/* Get range. */
rng = vpi_handle (vpiLeftRange, net);
val.format = vpiIntVal;
vpi_get_value (rng, &val);
left = val.value.integer;
rng = vpi_handle (vpiRightRange, net);
val.format = vpiIntVal;
vpi_get_value (rng, &val);
right = val.value.integer;
printf ("%s[%d:%d]\n", name, left, right);
i = left;
while (1) {
el = vpi_handle_by_index (net, i);
if (el == NULL)
val.value.str = "ERROR";
else {
val.format = vpiBinStrVal;
vpi_get_value (el, &val);
}
printf ("%s[%d] = %s", name, i, val.value.str);
if (el != NULL) {
val.format = vpiIntVal;
vpi_get_value (el, &val);
printf (" = %d", val.value.integer);
}
putchar('\n');
if (el == NULL || val.value.integer != i)
exit (1);
if (i == right)
break;
if (left < right)
i++;
else
i--;
}
#if 0
val.format = vpiBinStrVal;
vpi_get_value (net, &val);
printf ("%s= %s\n", name, val.value.str);
#endif
}
static PLI_INT32
vpi_clk_proc (struct t_cb_data *cb)
{
s_vpi_value val;
val.format = vpiBinStrVal;
vpi_get_value (clk, &val);
/* Detect edge. */
if (strcmp (val.value.str, "1") != 0)
return 0;
cycle++;
printf ("clock cycle %u\n", cycle);
if (cycle == 2)
show_value ("test_array.mem_down");
return 0;
}
static PLI_INT32
endofcompile_proc (struct t_cb_data *compile_cb)
{
s_cb_data cb;
clk = vpi_handle_by_name ("test_array.clk", NULL);
if (clk == NULL)
{
printf ("cannot get net clk\n");
return 0;
}
cb.reason = cbValueChange;
cb.cb_rtn = &vpi_clk_proc;
cb.user_data = NULL;
cb.obj = clk;
if (vpi_register_cb (&cb) == NULL)
vpi_printf ("cannot register ValueChange call back\n");
cycle = 0;
return 0;
}
static void my_handle_register(void)
{
s_cb_data cb;
cb.reason = cbEndOfCompile;
cb.cb_rtn = &endofcompile_proc;
cb.user_data = NULL;
if (vpi_register_cb (&cb) == NULL)
vpi_printf ("cannot register EndOfCompile call back\n");
}
void (*vlog_startup_routines[]) () =
{
my_handle_register,
0
};
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