static int check_subblocks(int iblk, t_subblock_data *subblock_data_ptr) {
/* This routine checks the subblocks of iblk (which must be a CLB). It *
* returns the number of errors found. */
int error, isub, ipin, clb_pin;
int num_subblocks, max_subblocks_per_block, subblock_lut_size;
t_subblock *subblock_inf;
int subblock_ff_size;
error = 0;
subblock_inf = subblock_data_ptr->subblock_inf[iblk];
num_subblocks = subblock_data_ptr->num_subblocks_per_block[iblk];
max_subblocks_per_block = subblock_data_ptr->max_subblocks_per_block;
subblock_lut_size = subblock_data_ptr->subblock_lut_size;
subblock_ff_size = subblock_data_ptr->subblock_ff_size;
if (num_subblocks > max_subblocks_per_block) {
printf("Error: block #%d (%s) contains %d subblocks.\n", iblk,
block[iblk].name, num_subblocks);
error++;
}
/* Check that all pins connect to the proper type of CLB pin and are in the *
* correct range. */
for (isub = 0; isub < num_subblocks; isub++) {
for (ipin = 0; ipin < subblock_lut_size; ipin++) { /* Input pins */
clb_pin = subblock_inf[isub].inputs[ipin];
error += check_subblock_pin(clb_pin, 0,
pins_per_clb
+ (1 + subblock_ff_size) * max_subblocks_per_block
- 1, RECEIVER, iblk, isub, subblock_inf);
}
/* Subblock output pin. */
clb_pin = subblock_inf[isub].output;
error += check_subblock_pin(clb_pin, 0, pins_per_clb - 1, DRIVER, iblk,
isub, subblock_inf);
/* Subblock clock pin. */
clb_pin = subblock_inf[isub].clock;
error += check_subblock_pin(clb_pin, 0,
pins_per_clb + num_subblocks - 1, RECEIVER, iblk, isub,
subblock_inf);
} /* End subblock for loop. */
/* If pins out of range, return. Could get seg faults otherwise. */
return (error);
}
static int check_subblocks (int iblk, t_subblock_data *subblock_data_ptr,
int *num_uses_of_clb_pin, int *num_uses_of_sblk_opin) {
/* This routine checks the subblocks of iblk (which must be a CLB). It *
* returns the number of errors found. */
int error, isub, ipin, clb_pin, i;
int num_subblocks, max_subblocks_per_block, subblock_lut_size;
t_subblock *subblock_inf;
error = 0;
subblock_inf = subblock_data_ptr->subblock_inf[iblk];
num_subblocks = subblock_data_ptr->num_subblocks_per_block[iblk];
max_subblocks_per_block = subblock_data_ptr->max_subblocks_per_block;
subblock_lut_size = subblock_data_ptr->subblock_lut_size;
if (num_subblocks < 1 || num_subblocks > max_subblocks_per_block) {
printf("Error: block #%d (%s) contains %d subblocks.\n",
iblk, block[iblk].name, num_subblocks);
error++;
}
/* Check that all pins connect to the proper type of CLB pin and are in the *
* correct range. */
for (isub=0;isub<num_subblocks;isub++) {
for (ipin=0;ipin<subblock_lut_size;ipin++) { /* Input pins */
clb_pin = subblock_inf[isub].inputs[ipin];
error += check_subblock_pin (clb_pin, 0, pins_per_clb +
num_subblocks - 1, RECEIVER, iblk, isub,
subblock_inf);
}
/* Subblock output pin. */
clb_pin = subblock_inf[isub].output;
error += check_subblock_pin (clb_pin, 0, pins_per_clb - 1,
DRIVER, iblk, isub, subblock_inf);
/* Subblock clock pin. */
clb_pin = subblock_inf[isub].clock;
error += check_subblock_pin (clb_pin, 0, pins_per_clb +
num_subblocks - 1, RECEIVER, iblk, isub,
subblock_inf);
} /* End subblock for loop. */
/* If pins out of range, return. Could get seg faults otherwise. */
if (error != 0)
return (error);
/* Reset fanout counts. */
for (i=0;i<pins_per_clb;i++)
num_uses_of_clb_pin[i] = 0;
for (i=0;i<num_subblocks;i++)
num_uses_of_sblk_opin[i] = 0;
load_one_clb_fanout_count (subblock_lut_size, subblock_inf,
num_subblocks, num_uses_of_clb_pin,
num_uses_of_sblk_opin, iblk);
error += check_clb_to_subblock_connections (iblk, subblock_inf,
num_subblocks, num_uses_of_clb_pin);
error += check_internal_subblock_connections (subblock_data_ptr, iblk,
num_uses_of_sblk_opin);
return (error);
}
