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OpenFPGA/vpr7_x2p/vpr/SRC/fpga_spice/verilog/verilog_utils.c

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/***********************************/
/* Synthesizable Verilog Dumping */
/* Xifan TANG, EPFL/LSI */
/***********************************/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <math.h>
#include <time.h>
#include <assert.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
/* Include vpr structs*/
#include "util.h"
#include "physical_types.h"
#include "vpr_types.h"
#include "globals.h"
#include "rr_graph_util.h"
#include "rr_graph.h"
#include "rr_graph2.h"
#include "vpr_utils.h"
/* FPGA-SPICE utils */
#include "read_xml_spice_util.h"
#include "linkedlist.h"
#include "fpga_spice_utils.h"
#include "fpga_spice_globals.h"
/* syn_verilog globals */
#include "verilog_global.h"
#include "verilog_utils.h"
/****** Subroutines *******/
void init_list_include_verilog_netlists(t_spice* spice) {
int i, j, cur;
int to_include = 0;
int num_to_include = 0;
/* Initialize */
for (i = 0; i < spice->num_include_netlist; i++) {
FreeSpiceModelNetlist(&(spice->include_netlists[i]));
}
my_free(spice->include_netlists);
spice->include_netlists = NULL;
spice->num_include_netlist = 0;
/* Generate include netlist list */
vpr_printf(TIO_MESSAGE_INFO, "Listing Verilog Netlist Names to be included...\n");
for (i = 0; i < spice->num_spice_model; i++) {
if (NULL != spice->spice_models[i].verilog_netlist) {
/* Check if this netlist name has already existed in the list */
to_include = 1;
for (j = 0; j < i; j++) {
if (NULL == spice->spice_models[j].verilog_netlist) {
continue;
}
if (0 == strcmp(spice->spice_models[j].verilog_netlist, spice->spice_models[i].verilog_netlist)) {
to_include = 0;
break;
}
}
/* Increamental */
if (1 == to_include) {
num_to_include++;
}
}
}
/* realloc */
spice->include_netlists = (t_spice_model_netlist*)my_realloc(spice->include_netlists,
sizeof(t_spice_model_netlist)*(num_to_include + spice->num_include_netlist));
/* Fill the new included netlists */
cur = spice->num_include_netlist;
for (i = 0; i < spice->num_spice_model; i++) {
if (NULL != spice->spice_models[i].verilog_netlist) {
/* Check if this netlist name has already existed in the list */
to_include = 1;
for (j = 0; j < i; j++) {
if (NULL == spice->spice_models[j].verilog_netlist) {
continue;
}
if (0 == strcmp(spice->spice_models[j].verilog_netlist, spice->spice_models[i].verilog_netlist)) {
to_include = 0;
break;
}
}
/* Increamental */
if (1 == to_include) {
spice->include_netlists[cur].path = my_strdup(spice->spice_models[i].verilog_netlist);
spice->include_netlists[cur].included = 0;
vpr_printf(TIO_MESSAGE_INFO, "[%d] %s\n", cur+1, spice->include_netlists[cur].path);
cur++;
}
}
}
/* Check */
assert(cur == (num_to_include + spice->num_include_netlist));
/* Update */
spice->num_include_netlist += num_to_include;
return;
}
void init_include_user_defined_verilog_netlists(t_spice spice) {
int i;
/* Include user-defined sub-circuit netlist */
for (i = 0; i < spice.num_include_netlist; i++) {
spice.include_netlists[i].included = 0;
}
return;
}
void dump_include_user_defined_verilog_netlists(FILE* fp,
t_spice spice) {
int i;
/* A valid file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid File Handler!\n", __FILE__, __LINE__);
exit(1);
}
/* Include user-defined sub-circuit netlist */
for (i = 0; i < spice.num_include_netlist; i++) {
if (0 == spice.include_netlists[i].included) {
assert(NULL != spice.include_netlists[i].path);
fprintf(fp, "// `include \"%s\"\n", spice.include_netlists[i].path);
spice.include_netlists[i].included = 1;
} else {
assert(1 == spice.include_netlists[i].included);
}
}
return;
}
/* Dump preproc */
void dump_verilog_preproc(FILE* fp,
boolean include_timing) {
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(FILE:%s, LINE[%d]) FileHandle is NULL!\n",__FILE__,__LINE__);
exit(1);
}
/* To enable timing */
if (TRUE == include_timing) {
fprintf(fp, "`define %s 1\n", verilog_timing_preproc_flag);
fprintf(fp, "\n");
}
return;
}
void dump_verilog_file_header(FILE* fp,
char* usage) {
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(FILE:%s, LINE[%d]) FileHandle is NULL!\n",__FILE__,__LINE__);
exit(1);
}
fprintf(fp,"//-------------------------------------------\n");
fprintf(fp,"// FPGA Synthesizable Verilog Netlist \n");
fprintf(fp,"// Description: %s \n",usage);
fprintf(fp,"// Author: Xifan TANG \n");
fprintf(fp,"// Organization: EPFL/IC/LSI \n");
fprintf(fp,"// Date: %s \n",my_gettime());
fprintf(fp,"//-------------------------------------------\n");
fprintf(fp,"//----- Time scale -----\n");
fprintf(fp,"`timescale 1ns / 1ps\n");
fprintf(fp,"\n");
return;
}
/* Create a file handler for a subckt Verilog netlist */
FILE* verilog_create_one_subckt_file(char* subckt_dir,
char* subckt_name_prefix,
char* verilog_subckt_file_name_prefix,
int grid_x, int grid_y,
char** verilog_fname) {
FILE* fp = NULL;
char* file_description = NULL;
(*verilog_fname) = my_strcat(subckt_dir,
fpga_spice_create_one_subckt_filename(verilog_subckt_file_name_prefix, grid_x, grid_y, verilog_netlist_file_postfix));
/* Create a file*/
fp = fopen((*verilog_fname), "w");
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,
"(FILE:%s,LINE[%d])Failure in create Verilog netlist %s",
__FILE__, __LINE__, (*verilog_fname));
exit(1);
}
/* Generate the descriptions*/
file_description = (char*) my_malloc(sizeof(char) * (strlen(subckt_name_prefix) + 2
+ strlen(my_itoa(grid_x)) + 2 + strlen(my_itoa(grid_y))
+ 9));
sprintf(file_description, "%s [%d][%d] in FPGA",
subckt_name_prefix, grid_x, grid_y);
dump_verilog_file_header(fp, file_description);
/* Free */
my_free(file_description);
return fp;
}
/* Output all the created subckt file names in a header file,
* that can be easily imported in a top-level netlist
*/
void dump_verilog_subckt_header_file(t_llist* subckt_llist_head,
char* subckt_dir,
char* header_file_name) {
FILE* fp = NULL;
char* verilog_fname = NULL;
t_llist* temp = NULL;
verilog_fname = my_strcat(subckt_dir,
header_file_name);
/* Create a file*/
fp = fopen(verilog_fname, "w");
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,
"(FILE:%s,LINE[%d])Failure in create Verilog netlist %s",
__FILE__, __LINE__, verilog_fname);
exit(1);
}
/* Generate the descriptions*/
dump_verilog_file_header(fp, "Header file");
/* Output file names */
temp = subckt_llist_head;
while (temp) {
fprintf(fp, "`include \"%s\"\n",
(char*)(temp->dptr));
temp = temp->next;
}
/* Close fp */
fclose(fp);
/* Free */
my_free(verilog_fname);
return;
}
/* Determine the split sign for generic port */
char determine_verilog_generic_port_split_sign(enum e_dump_verilog_port_type dump_port_type) {
char ret;
switch (dump_port_type) {
case VERILOG_PORT_INPUT:
case VERILOG_PORT_OUTPUT:
case VERILOG_PORT_INOUT:
case VERILOG_PORT_CONKT:
ret = ',';
break;
case VERILOG_PORT_WIRE:
case VERILOG_PORT_REG:
ret = ';';
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of Verilog port to be dumped !\n",
__FILE__, __LINE__);
exit(1);
}
return ret;
}
/* Dump a generic Verilog port */
void dump_verilog_generic_port(FILE* fp,
enum e_dump_verilog_port_type dump_port_type,
char* port_name, int port_lsb, int port_msb) {
boolean dump_single_port = FALSE;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(port_lsb < 0))&&(!(port_msb < 0)));
if (port_lsb == port_msb) {
dump_single_port = TRUE;
}
dump_single_port = FALSE; /* Disable it for a clear synthesis */
switch (dump_port_type) {
case VERILOG_PORT_INPUT:
if (TRUE == dump_single_port) {
fprintf(fp,"input %s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"input [%d:%d] %s ",
port_lsb, port_msb,
port_name);
}
break;
case VERILOG_PORT_OUTPUT:
if (TRUE == dump_single_port) {
fprintf(fp,"output %s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"output [%d:%d] %s ",
port_lsb, port_msb,
port_name);
}
break;
case VERILOG_PORT_INOUT:
if (TRUE == dump_single_port) {
fprintf(fp,"inout %s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"inout [%d:%d] %s ",
port_lsb, port_msb,
port_name);
}
break;
case VERILOG_PORT_WIRE:
if (TRUE == dump_single_port) {
fprintf(fp,"wire %s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"wire [%d:%d] %s ",
port_lsb, port_msb,
port_name);
}
break;
case VERILOG_PORT_REG:
if (TRUE == dump_single_port) {
fprintf(fp,"reg %s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"reg [%d:%d] %s ",
port_lsb, port_msb,
port_name);
}
break;
case VERILOG_PORT_CONKT:
if (TRUE == dump_single_port) {
fprintf(fp,"%s ",
port_name);
} else {
assert(FALSE == dump_single_port);
fprintf(fp,"%s[%d:%d] ",
port_name,
port_lsb, port_msb);
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of Verilog port to be dumped !\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Decode BL and WL bits for a SRAM
* SRAM could be
* 1. NV SRAM
* or
* 2. SRAM
*/
void decode_verilog_memory_bank_sram(t_spice_model* cur_sram_spice_model, int sram_bit,
int bl_len, int wl_len, int bl_offset, int wl_offset,
int* bl_conf_bits, int* wl_conf_bits) {
int i;
/* Check */
assert(NULL != cur_sram_spice_model);
assert(NULL != bl_conf_bits);
assert(NULL != wl_conf_bits);
assert((1 == sram_bit)||(0 == sram_bit));
/* All the others should be zero */
for (i = 0; i < bl_len; i++) {
bl_conf_bits[i] = 0;
}
for (i = 0; i < wl_len; i++) {
wl_conf_bits[i] = 0;
}
/* Depending on the design technology of SRAM */
switch (cur_sram_spice_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
/* CMOS SRAM */
/* Make sure there is only 1 BL and 1 WL */
assert((1 == bl_len)&&(1 == wl_len));
/* We always assume that WL is a write-enable signal
* While BL contains what data will be written into SRAM
*/
bl_conf_bits[0] = sram_bit;
wl_conf_bits[0] = 1;
break;
case SPICE_MODEL_DESIGN_RRAM:
/* NV SRAM (RRAM-based) */
/* We need at least 2 BLs and 2 WLs but no more than 3, See schematic in manual */
/* Whatever the number of BLs and WLs, (RRAM0)
* when sram bit is 1, last bit of BL should be enabled
* while first bit of WL should be enabled at the same time
* when sram bit is 0, last bit of WL should be enabled
* while first bit of BL should be enabled at the same time
*/
assert((1 < bl_len)&&(bl_len < 4));
assert((1 < wl_len)&&(wl_len < 4));
assert((-1 < bl_offset)&&(bl_offset < bl_len));
assert((-1 < wl_offset)&&(wl_offset < wl_len));
/* In addition, we will may need two programing cycles.
* The first cycle is dedicated to programming RRAM0
* The second cycle is dedicated to programming RRAM1
*/
if (1 == sram_bit) {
bl_conf_bits[bl_len-1] = 1;
wl_conf_bits[0 + wl_offset] = 1;
} else {
assert(0 == sram_bit);
bl_conf_bits[0 + bl_offset] = 1;
wl_conf_bits[wl_len-1] = 1;
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for SRAM!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Decode one SRAM bit for memory-bank-style configuration circuit, and add it to linked list */
void
decode_and_add_verilog_sram_membank_conf_bit_to_llist(t_sram_orgz_info* cur_sram_orgz_info,
int mem_index,
int num_bl_per_sram, int num_wl_per_sram,
int cur_sram_bit) {
int j;
int* conf_bits_per_sram = NULL;
t_spice_model* mem_model = NULL;
/* Check */
assert( SPICE_SRAM_MEMORY_BANK == cur_sram_orgz_info->type );
/* Get memory model */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
assert(NULL != mem_model);
/* Malloc/Calloc */
conf_bits_per_sram = (int*)my_calloc(num_bl_per_sram + num_wl_per_sram, sizeof(int));
/* Depend on the memory technology, we have different configuration bits */
switch (mem_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
/* Check */
assert((1 == num_bl_per_sram) && (1 == num_wl_per_sram));
/* For CMOS SRAM */
decode_verilog_memory_bank_sram(mem_model, cur_sram_bit,
num_bl_per_sram, num_wl_per_sram, 0, 0,
conf_bits_per_sram, conf_bits_per_sram + num_bl_per_sram);
/* Use memory model here! Design technology of memory model determines the decoding strategy, instead of LUT model*/
add_sram_conf_bits_to_llist(cur_sram_orgz_info, mem_index,
num_bl_per_sram + num_wl_per_sram, conf_bits_per_sram);
break;
case SPICE_MODEL_DESIGN_RRAM:
/* Decode the SRAM bits to BL/WL bits.
* first half part is BL, the other half part is WL
*/
/* Store the configuraion bit to linked-list */
assert(num_bl_per_sram == num_wl_per_sram);
/* When the number of BL/WL is more than 1, we need multiple programming cycles to configure a SRAM */
/* ONLY valid for NV SRAM !!!*/
for (j = 0; j < num_bl_per_sram - 1; j++) {
if (0 == j) {
/* Store the configuraion bit to linked-list */
decode_verilog_memory_bank_sram(mem_model, cur_sram_bit,
num_bl_per_sram, num_wl_per_sram, j, j,
conf_bits_per_sram, conf_bits_per_sram + num_bl_per_sram);
} else {
/* Store the configuraion bit to linked-list */
decode_verilog_memory_bank_sram(mem_model, 1 - cur_sram_bit,
num_bl_per_sram, num_wl_per_sram, j, j,
conf_bits_per_sram, conf_bits_per_sram + num_bl_per_sram);
}
/* Use memory model here! Design technology of memory model determines the decoding strategy, instead of LUT model*/
add_sram_conf_bits_to_llist(cur_sram_orgz_info, mem_index,
num_bl_per_sram + num_wl_per_sram, conf_bits_per_sram);
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid design technology!",
__FILE__, __LINE__);
exit(1);
}
/* Free */
my_free(conf_bits_per_sram);
return;
}
/** Decode 1-level 4T1R MUX
*/
void decode_verilog_one_level_4t1r_mux(int path_id,
int bit_len, int* conf_bits) {
int i;
/* Check */
assert(0 < bit_len);
assert(NULL != conf_bits);
assert((-1 < path_id)&&((path_id < bit_len/2 - 1)||(path_id == bit_len/2 - 1)));
/* All the others should be zero */
for (i = 0; i < bit_len; i++) {
conf_bits[i] = 0;
}
/* Last bit of WL should be 1 */
conf_bits[bit_len-1] = 1;
/* determine which BL should be 1*/
conf_bits[path_id] = 1;
return;
}
/** Decode multi-level 4T1R MUX
*/
void decode_verilog_multilevel_4t1r_mux(int num_level, int num_input_basis,
int mux_size, int path_id,
int bit_len, int* conf_bits) {
int i, active_basis_path_id;
/* Check */
assert(0 < bit_len);
assert(NULL != conf_bits);
/* assert((-1 < path_id)&&(path_id < bit_len/2 - 1)); */
/* Start from first level to the last level */
active_basis_path_id = path_id;
for (i = 0; i < num_level; i++) {
/* Treat each basis as a 1-level 4T1R MUX */
active_basis_path_id = active_basis_path_id % num_input_basis;
/* Last bit of WL should be 1 */
conf_bits[bit_len/2 + (num_input_basis+1)*(i+1) - 1] = 1;
/* determine which BL should be 1*/
conf_bits[(num_input_basis+1)*i + active_basis_path_id] = 1;
}
return;
}
/** Decode the configuration bits for a 4T1R-based MUX
* Determine the number of configuration bits
* Configuration bits are decoded depending on the MUX structure:
* 1. 1-level; 2. multi-level (tree-like);
*/
void decode_verilog_rram_mux(t_spice_model* mux_spice_model,
int mux_size, int path_id,
int* bit_len, int** conf_bits, int* mux_level) {
int num_level, num_input_basis;
/* Check */
assert(NULL != mux_level);
assert(NULL != bit_len);
assert(NULL != conf_bits);
assert((-1 < path_id)&&(path_id < mux_size));
assert(SPICE_MODEL_MUX == mux_spice_model->type);
assert(SPICE_MODEL_DESIGN_RRAM == mux_spice_model->design_tech);
/* Initialization */
(*mux_level) = 0;
(*bit_len) = 0;
(*conf_bits) = NULL;
(*bit_len) = 2 * count_num_sram_bits_one_spice_model(mux_spice_model, mux_size);
/* Switch cases: MUX structure */
switch (mux_spice_model->design_tech_info.structure) {
case SPICE_MODEL_STRUCTURE_ONELEVEL:
/* Number of configuration bits is 2*(input_size+1) */
num_level = 1;
break;
case SPICE_MODEL_STRUCTURE_TREE:
/* Number of configuration bits is num_level* 2*(basis+1) */
num_level = determine_tree_mux_level(mux_size);
num_input_basis = 2;
break;
case SPICE_MODEL_STRUCTURE_MULTILEVEL:
/* Number of configuration bits is num_level* 2*(basis+1) */
num_level = mux_spice_model->design_tech_info.mux_num_level;
num_input_basis = determine_num_input_basis_multilevel_mux(mux_size, num_level);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid MUX structure!\n",
__FILE__, __LINE__);
exit(1);
}
/* Malloc configuration bits */
(*conf_bits) = (int*)my_calloc((*bit_len), sizeof(int));
/* Decode configuration bits : BL & WL*/
/* Switch cases: MUX structure */
switch (mux_spice_model->design_tech_info.structure) {
case SPICE_MODEL_STRUCTURE_ONELEVEL:
decode_verilog_one_level_4t1r_mux(path_id, (*bit_len), (*conf_bits));
break;
case SPICE_MODEL_STRUCTURE_TREE:
case SPICE_MODEL_STRUCTURE_MULTILEVEL:
decode_verilog_multilevel_4t1r_mux(num_level, num_input_basis, mux_size,
path_id, (*bit_len), (*conf_bits));
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid MUX structure!\n",
__FILE__, __LINE__);
exit(1);
}
(*mux_level) = num_level;
return;
}
/* Determine the size of input address of a decoder */
int determine_decoder_size(int num_addr_out) {
return ceil(log(num_addr_out)/log(2.));
}
char* chomp_verilog_node_prefix(char* verilog_node_prefix) {
int len = 0;
char* ret = NULL;
if (NULL == verilog_node_prefix) {
return NULL;
}
len = strlen(verilog_node_prefix); /* String length without the last "\0"*/
ret = (char*)my_malloc(sizeof(char)*(len+1));
/* Don't do anything when input is NULL*/
if (NULL == verilog_node_prefix) {
my_free(ret);
return NULL;
}
strcpy(ret,verilog_node_prefix);
/* If the path end up with "_" we should remove it*/
/*
if ('_' == ret[len-1]) {
ret[len-1] = ret[len];
}
*/
return ret;
}
char* format_verilog_node_prefix(char* verilog_node_prefix) {
int len = strlen(verilog_node_prefix); /* String length without the last "\0"*/
char* ret = (char*)my_malloc(sizeof(char)*(len+1));
/* Don't do anything when input is NULL*/
if (NULL == verilog_node_prefix) {
my_free(ret);
return NULL;
}
strcpy(ret,verilog_node_prefix);
/* If the path does not end up with "_" we should complete it*/
/*
if (ret[len-1] != '_') {
strcat(ret, "_");
}
*/
return ret;
}
/* Return the port_type in a verilog format */
char* verilog_convert_port_type_to_string(enum e_spice_model_port_type port_type) {
switch (port_type) {
case SPICE_MODEL_PORT_INPUT:
case SPICE_MODEL_PORT_CLOCK:
case SPICE_MODEL_PORT_SRAM:
case SPICE_MODEL_PORT_BL:
case SPICE_MODEL_PORT_WL:
return "input";
case SPICE_MODEL_PORT_OUTPUT:
return "output";
case SPICE_MODEL_PORT_INOUT:
return "inout";
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s, [LINE%d])Invalid port type!\n",
__FILE__, __LINE__);
exit(1);
}
return NULL;
}
/* Dump all the global ports that are stored in the linked list
* Return the number of ports that have been dumped
*/
int rec_dump_verilog_spice_model_global_ports(FILE* fp,
t_spice_model* cur_spice_model,
boolean dump_port_type, boolean recursive) {
int iport, dumped_port_cnt, rec_dumped_port_cnt;
boolean dump_comma = FALSE;
dumped_port_cnt = 0;
rec_dumped_port_cnt = 0;
/* Check */
assert(NULL != cur_spice_model);
if (0 < cur_spice_model->num_port) {
assert(NULL != cur_spice_model->ports);
}
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
}
for (iport = 0; iport < cur_spice_model->num_port; iport++) {
/* if this spice model requires customized netlist to be included, we do not go recursively */
if (TRUE == recursive) {
/* GO recursively first, and meanwhile count the number of global ports */
/* For the port that requires another spice_model, i.e., SRAM
* We need include any global port in that spice model
*/
if (NULL != cur_spice_model->ports[iport].spice_model) {
/* Check if we need to dump a comma */
if (TRUE == dump_comma) {
fprintf(fp, ",\n");
}
rec_dumped_port_cnt +=
rec_dump_verilog_spice_model_global_ports(fp, cur_spice_model->ports[iport].spice_model,
dump_port_type, recursive);
/* Decide if we need a comma */
if (0 < rec_dumped_port_cnt) {
dump_comma = TRUE;
}
/* Update counter */
dumped_port_cnt += rec_dumped_port_cnt;
continue;
}
}
/* By pass non-global ports*/
if (FALSE == cur_spice_model->ports[iport].is_global) {
continue;
}
/* We have some port to dump !
* Print a comment line
*/
if (0 == dumped_port_cnt) {
fprintf(fp, "//----- BEGIN Global ports of SPICE_MODEL(%s) -----\n",
cur_spice_model->name);
}
/* Check if we need to dump a comma */
if (TRUE == dump_comma) {
fprintf(fp, ",\n");
}
if (TRUE == dump_port_type) {
fprintf(fp, "%s [0:%d] %s",
verilog_convert_port_type_to_string(cur_spice_model->ports[iport].type),
cur_spice_model->ports[iport].size - 1,
cur_spice_model->ports[iport].prefix);
} else {
fprintf(fp, "%s[0:%d]",
cur_spice_model->ports[iport].prefix,
cur_spice_model->ports[iport].size - 1);
}
/* Decide if we need a comma */
dump_comma = TRUE;
/* Update counter */
dumped_port_cnt++;
}
/* We have dumped some port!
* Print another comment line
*/
if (0 < dumped_port_cnt) {
fprintf(fp, "\n");
fprintf(fp, "//----- END Global ports of SPICE_MODEL(%s)-----\n",
cur_spice_model->name);
}
return dumped_port_cnt;
}
/* Dump all the global ports that are stored in the linked list */
int dump_verilog_global_ports(FILE* fp, t_llist* head,
boolean dump_port_type) {
t_llist* temp = head;
t_spice_model_port* cur_global_port = NULL;
int dumped_port_cnt = 0;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
}
fprintf(fp, "//----- BEGIN Global ports -----\n");
while(NULL != temp) {
cur_global_port = (t_spice_model_port*)(temp->dptr);
if (TRUE == dump_port_type) {
fprintf(fp, "%s [0:%d] %s",
verilog_convert_port_type_to_string(cur_global_port->type),
cur_global_port->size - 1,
cur_global_port->prefix);
} else {
fprintf(fp, "%s[0:%d]",
cur_global_port->prefix,
cur_global_port->size - 1);
}
/* if this is the tail, we do not dump a comma */
if (NULL != temp->next) {
fprintf(fp, ",");
}
fprintf(fp, "\n");
/* Update counter */
dumped_port_cnt++;
/* Go to the next */
temp = temp->next;
}
fprintf(fp, "//----- END Global ports -----\n");
return dumped_port_cnt;
}
/* Always dump the output ports of a SRAM in MUX */
void dump_verilog_mux_sram_one_outport(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
t_spice_model* cur_mux_spice_model, int mux_size,
int sram_lsb, int sram_msb,
int port_type_index,
enum e_dump_verilog_port_type dump_port_type) {
t_spice_model* mem_model = NULL;
char* port_name = NULL;
char* port_full_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Get memory_model */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
/* Keep the branch as it is, in case thing may become more complicated*/
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
case SPICE_SRAM_SCAN_CHAIN:
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
case SPICE_SRAM_MEMORY_BANK:
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of SRAM organization !\n",
__FILE__, __LINE__);
exit(1);
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*
(strlen(cur_mux_spice_model->prefix) + 5
+ strlen(my_itoa(mux_size)) + 1
+ strlen(my_itoa(cur_mux_spice_model->cnt)) + 1
+ strlen(mem_model->prefix) + 1
+ strlen(port_name) + 1));
sprintf(port_full_name, "%s_size%d_%d_%s_%s",
cur_mux_spice_model->prefix, mux_size,
cur_mux_spice_model->cnt,
mem_model->prefix, port_name);
dump_verilog_generic_port(fp, dump_port_type, port_full_name, sram_lsb, sram_msb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* Always dump the output ports of a SRAM */
void dump_verilog_sram_one_outport(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
int port_type_index,
enum e_dump_verilog_port_type dump_port_type) {
t_spice_model* mem_model = NULL;
char* port_name = NULL;
char* port_full_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Get memory_model */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
/* Keep the branch as it is, in case thing may become more complicated*/
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
case SPICE_SRAM_SCAN_CHAIN:
if (0 == port_type_index) {
port_name = "scff_out";
} else {
assert(1 == port_type_index);
port_name = "scff_outb";
}
break;
case SPICE_SRAM_MEMORY_BANK:
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of SRAM organization !\n",
__FILE__, __LINE__);
exit(1);
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*(strlen(mem_model->prefix) + strlen(port_name) + 1 + 1));
sprintf(port_full_name, "%s_%s", mem_model->prefix, port_name);
dump_verilog_generic_port(fp, dump_port_type, port_full_name, sram_lsb, sram_msb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* Dump SRAM output ports, including two ports, out and outb */
void dump_verilog_sram_outports(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
enum e_dump_verilog_port_type dump_port_type) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
if (0 > (sram_msb - sram_lsb)) {
return;
}
if ((sram_lsb < 0)||(sram_msb < 0)) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid sram_lsb(%d) and sram_msb(%d)!\n",
__FILE__, __LINE__, sram_lsb, sram_msb);
return;
}
/* Dump the first port: SRAM_out of CMOS MUX or BL of RRAM MUX */
dump_verilog_sram_one_outport(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
0, dump_port_type);
fprintf(fp, ",\n");
/* Dump the first port: SRAM_outb of CMOS MUX or WL of RRAM MUX */
dump_verilog_sram_one_outport(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
1, dump_port_type);
return;
}
void dump_verilog_sram_one_port(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
int port_type_index,
enum e_dump_verilog_port_type dump_port_type) {
t_spice_model* mem_model = NULL;
char* port_name = NULL;
char* port_full_name = NULL;
enum e_dump_verilog_port_type actual_dump_port_type = dump_port_type;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Get memory_model */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
mem_model = cur_sram_orgz_info->standalone_sram_info->mem_model;
if (0 == port_type_index) {
port_name = "out";
} else {
assert(1 == port_type_index);
port_name = "outb";
}
break;
case SPICE_SRAM_SCAN_CHAIN:
mem_model = cur_sram_orgz_info->scff_info->mem_model;
if (0 == port_type_index) {
port_name = "scff_in";
} else {
assert(1 == port_type_index);
port_name = "scff_out";
/* Special case: scan-chain ff output should be an output always */
if (VERILOG_PORT_INPUT == dump_port_type) {
actual_dump_port_type = VERILOG_PORT_OUTPUT;
}
}
break;
case SPICE_SRAM_MEMORY_BANK:
mem_model = cur_sram_orgz_info->mem_bank_info->mem_model;
if (0 == port_type_index) {
port_name = "bl";
} else if (1 == port_type_index) {
port_name = "wl";
/* Create inverted BL and WL signals */
} else if (2 == port_type_index) {
port_name = "blb";
} else if (3 == port_type_index) {
port_name = "wlb";
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of SRAM organization !\n",
__FILE__, __LINE__);
exit(1);
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*(strlen(mem_model->prefix) + strlen(port_name) + 1 + 1));
sprintf(port_full_name, "%s_%s", mem_model->prefix, port_name);
dump_verilog_generic_port(fp, actual_dump_port_type, port_full_name, sram_lsb, sram_msb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* Dump SRAM ports, which is supposed to be the last port in the port list */
void dump_verilog_sram_ports(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
enum e_dump_verilog_port_type dump_port_type) {
/* Need to dump inverted BL/WL if needed */
int num_blb_ports, num_wlb_ports;
t_spice_model_port** blb_port = NULL;
t_spice_model_port** wlb_port = NULL;
t_spice_model* cur_sram_verilog_model = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
if (0 > (sram_msb - sram_lsb)) {
return;
}
if ((sram_lsb < 0)||(sram_msb < 0)) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid sram_lsb(%d) and sram_msb(%d)!\n",
__FILE__, __LINE__, sram_lsb, sram_msb);
return;
}
/* Dump the first port: SRAM_out of CMOS MUX or BL of RRAM MUX */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
0, dump_port_type);
fprintf(fp, ",\n");
/* Dump the first port: SRAM_outb of CMOS MUX or WL of RRAM MUX */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
1, dump_port_type);
/* Find the BLB and WLB port, if there is any */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &cur_sram_verilog_model);
find_blb_wlb_ports_spice_model(cur_sram_verilog_model,
&num_blb_ports, &blb_port, &num_wlb_ports, &wlb_port);
/* BL inverted port */
if (1 == num_blb_ports) {
fprintf(fp, ",\n");
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
2, dump_port_type);
}
/* WL inverted port */
if (1 == num_wlb_ports) {
fprintf(fp, ",\n");
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
3, dump_port_type);
}
return;
}
void dump_verilog_reserved_sram_one_port(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
int port_type_index,
enum e_dump_verilog_port_type dump_port_type) {
t_spice_model* mem_model = NULL;
char* port_name = NULL;
char* port_full_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
case SPICE_SRAM_SCAN_CHAIN:
return;
case SPICE_SRAM_MEMORY_BANK:
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
if (0 == port_type_index) {
port_name = "reserved_bl";
} else {
assert(1 == port_type_index);
port_name = "reserved_wl";
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid type of SRAM organization !\n",
__FILE__, __LINE__);
exit(1);
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*(strlen(mem_model->prefix) + strlen(port_name) + 1 + 1));
sprintf(port_full_name, "%s_%s", mem_model->prefix, port_name);
dump_verilog_generic_port(fp, dump_port_type, port_full_name, sram_lsb, sram_msb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* Dump SRAM ports, which is supposed to be the last port in the port list */
void dump_verilog_reserved_sram_ports(FILE* fp,
t_sram_orgz_info* cur_sram_orgz_info,
int sram_lsb, int sram_msb,
enum e_dump_verilog_port_type dump_port_type) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
if (0 > (sram_msb - sram_lsb)) {
return;
}
/* Dump the first port: SRAM_out of CMOS MUX or BL of RRAM MUX */
if ((sram_lsb < 0)||(sram_msb < 0)) {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid sram_lsb(%d) and sram_msb(%d)!\n",
__FILE__, __LINE__, sram_lsb, sram_msb);
return;
}
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
0, dump_port_type);
fprintf(fp, ",\n");
/* Dump the first port: SRAM_outb of CMOS MUX or WL of RRAM MUX */
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
sram_lsb, sram_msb,
1, dump_port_type);
return;
}
/* Dump a verilog submodule of SRAMs in MUX, according to SRAM organization type */
void dump_verilog_mux_sram_submodule(FILE* fp, t_sram_orgz_info* cur_sram_orgz_info,
t_spice_model* cur_mux_verilog_model, int mux_size,
t_spice_model* cur_sram_verilog_model) {
int cur_bl, cur_wl, cur_num_sram;
int num_bl_ports, num_wl_ports;
t_spice_model_port** bl_port = NULL;
t_spice_model_port** wl_port = NULL;
int num_blb_ports, num_wlb_ports;
t_spice_model_port** blb_port = NULL;
t_spice_model_port** wlb_port = NULL;
int num_bl_per_sram = 0;
int num_wl_per_sram = 0;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
assert(NULL != cur_sram_orgz_info);
assert(NULL != cur_sram_verilog_model);
assert((SPICE_MODEL_SRAM == cur_sram_verilog_model->type)
|| (SPICE_MODEL_SCFF == cur_sram_verilog_model->type));
/* Get current index of SRAM module */
cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_MEMORY_BANK:
/* Detect the SRAM SPICE model linked to this SRAM port */
find_bl_wl_ports_spice_model(cur_sram_verilog_model,
&num_bl_ports, &bl_port, &num_wl_ports, &wl_port);
assert(1 == num_bl_ports);
assert(1 == num_wl_ports);
num_bl_per_sram = bl_port[0]->size;
num_wl_per_sram = wl_port[0]->size;
/* Find the BLB and WLB port, if there is any */
find_blb_wlb_ports_spice_model(cur_sram_verilog_model,
&num_blb_ports, &blb_port, &num_wlb_ports, &wlb_port);
if (1 == num_blb_ports) {
assert(num_bl_per_sram == blb_port[0]->size);
} else {
assert(0 == num_blb_ports);
}
if (1 == num_wlb_ports) {
assert(num_wl_per_sram == wlb_port[0]->size);
} else {
assert(0 == num_wlb_ports);
}
/* SRAM subckts*/
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
cur_mux_verilog_model, mux_size,
cur_num_sram, cur_num_sram,
0, VERILOG_PORT_CONKT);
fprintf(fp, ",");
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
cur_mux_verilog_model, mux_size,
cur_num_sram, cur_num_sram,
0, VERILOG_PORT_CONKT);
fprintf(fp, ",");
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
cur_mux_verilog_model, mux_size,
cur_num_sram, cur_num_sram,
1, VERILOG_PORT_CONKT);
fprintf(fp, ",");
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_bl, &cur_wl);
/* Connect to Bit lines and Word lines, consider each conf_bit */
fprintf(fp, "%s_size%d_%d_configbus0[%d:%d], ",
cur_mux_verilog_model->prefix, mux_size, cur_mux_verilog_model->cnt,
cur_num_sram, cur_num_sram + num_bl_per_sram - 1);
fprintf(fp, "%s_size%d_%d_configbus1[%d:%d] ",
cur_mux_verilog_model->prefix, mux_size, cur_mux_verilog_model->cnt,
cur_num_sram, cur_num_sram + num_wl_per_sram - 1); /* Outputs */
/* If we have a BLB or WLB, we need to dump inverted config_bus */
if (1 == num_blb_ports) {
fprintf(fp, ", ");
fprintf(fp, "%s_size%d_%d_configbus0_b[%d:%d] ",
cur_mux_verilog_model->prefix, mux_size, cur_mux_verilog_model->cnt,
cur_num_sram, cur_num_sram + num_bl_per_sram - 1);
}
if (1 == num_wlb_ports) {
fprintf(fp, ", ");
fprintf(fp, "%s_size%d_%d_configbus1_b[%d:%d] ",
cur_mux_verilog_model->prefix, mux_size, cur_mux_verilog_model->cnt,
cur_num_sram, cur_num_sram + num_wl_per_sram - 1);
}
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info,
cur_bl + 1,
cur_wl + 1);
break;
case SPICE_SRAM_STANDALONE:
/* SRAM subckts*/
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
fprintf(fp, "%s_out[%d], ", cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt); /* Input*/
fprintf(fp, "%s_out[%d], %s_outb[%d] ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt); /* Outputs */
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
break;
case SPICE_SRAM_SCAN_CHAIN:
/* Add a scan-chain DFF module here ! */
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
/* Input of Scan-chain DFF, should be connected to the output of its precedent */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram,
0, VERILOG_PORT_CONKT);
fprintf(fp, ", \n"); //
/* Output of Scan-chain DFF, should be connected to the output of its successor */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram,
1, VERILOG_PORT_CONKT);
fprintf(fp, ", \n"); //
/* Memory outputs of Scan-chain DFF, should be connected to the SRAM(memory port) of IOPAD, MUX and LUT */
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
cur_mux_verilog_model, mux_size,
cur_num_sram,
cur_num_sram,
1, VERILOG_PORT_CONKT);
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid SRAM organization type!\n",
__FILE__, __LINE__);
exit(1);
}
/* Update the counter */
cur_sram_verilog_model->cnt++;
return;
}
/* Dump a verilog submodule of SRAM, according to SRAM organization type */
void dump_verilog_sram_submodule(FILE* fp, t_sram_orgz_info* cur_sram_orgz_info,
t_spice_model* cur_sram_verilog_model) {
int cur_bl, cur_wl, cur_num_sram;
int num_bl_ports, num_wl_ports;
t_spice_model_port** bl_port = NULL;
t_spice_model_port** wl_port = NULL;
int num_blb_ports, num_wlb_ports;
t_spice_model_port** blb_port = NULL;
t_spice_model_port** wlb_port = NULL;
int num_bl_per_sram = 0;
int num_wl_per_sram = 0;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
assert(NULL != cur_sram_orgz_info);
assert(NULL != cur_sram_verilog_model);
assert((SPICE_MODEL_SRAM == cur_sram_verilog_model->type)
|| (SPICE_MODEL_SCFF == cur_sram_verilog_model->type));
/* Get current index of SRAM module */
cur_num_sram = get_sram_orgz_info_num_mem_bit(cur_sram_orgz_info);
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_MEMORY_BANK:
/* Detect the SRAM SPICE model linked to this SRAM port */
find_bl_wl_ports_spice_model(cur_sram_verilog_model,
&num_bl_ports, &bl_port, &num_wl_ports, &wl_port);
assert(1 == num_bl_ports);
assert(1 == num_wl_ports);
num_bl_per_sram = bl_port[0]->size;
num_wl_per_sram = wl_port[0]->size;
/* Find the BLB and WLB port, if there is any */
find_blb_wlb_ports_spice_model(cur_sram_verilog_model,
&num_blb_ports, &blb_port, &num_wlb_ports, &wlb_port);
if (1 == num_blb_ports) {
assert(num_bl_per_sram == blb_port[0]->size);
} else {
assert(0 == num_blb_ports);
}
if (1 == num_wlb_ports) {
assert(num_wl_per_sram == wlb_port[0]->size);
} else {
assert(0 == num_wlb_ports);
}
/* SRAM subckts*/
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
fprintf(fp, "%s_out[%d], ", cur_sram_verilog_model->prefix, cur_num_sram); /* Input*/
fprintf(fp, "%s_out[%d], %s_outb[%d], ",
cur_sram_verilog_model->prefix, cur_num_sram,
cur_sram_verilog_model->prefix, cur_num_sram); /* Outputs */
get_sram_orgz_info_num_blwl(cur_sram_orgz_info, &cur_bl, &cur_wl);
/* Connect to Bit lines and Word lines, consider each conf_bit */
fprintf(fp, "%s_%d_configbus0[%d:%d], ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_bl, cur_bl + num_bl_per_sram - 1);
fprintf(fp, "%s_%d_configbus1[%d:%d] ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_wl, cur_wl + num_wl_per_sram - 1); /* Outputs */
if (1 == num_blb_ports) {
fprintf(fp, ", ");
fprintf(fp, "%s_%d_configbus0_b[%d:%d] ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_bl, cur_bl + num_bl_per_sram - 1);
}
if (1 == num_wlb_ports) {
fprintf(fp, ", ");
fprintf(fp, "%s_%d_configbus1_b[%d:%d] ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_wl, cur_wl + num_wl_per_sram - 1); /* Outputs */
}
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
update_sram_orgz_info_num_blwl(cur_sram_orgz_info,
cur_bl + 1,
cur_wl + 1);
break;
case SPICE_SRAM_STANDALONE:
/* SRAM subckts*/
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
fprintf(fp, "%s_out[%d], ", cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt); /* Input*/
fprintf(fp, "%s_out[%d], %s_outb[%d] ",
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt,
cur_sram_verilog_model->prefix, cur_sram_verilog_model->cnt); /* Outputs */
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
break;
case SPICE_SRAM_SCAN_CHAIN:
/* Add a scan-chain DFF module here ! */
fprintf(fp, "%s %s_%d_ (", cur_sram_verilog_model->name, cur_sram_verilog_model->prefix,
cur_sram_verilog_model->cnt);
/* Only dump the global ports belonging to a spice_model */
if (0 < rec_dump_verilog_spice_model_global_ports(fp, cur_sram_verilog_model, FALSE, TRUE)) {
fprintf(fp, ",\n");
}
/* Input of Scan-chain DFF, should be connected to the output of its precedent */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram,
0, VERILOG_PORT_CONKT);
fprintf(fp, ", \n"); //
/* Output of Scan-chain DFF, should be connected to the output of its successor */
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram,
cur_num_sram,
1, VERILOG_PORT_CONKT);
fprintf(fp, ", \n"); //
/* Memory outputs of Scan-chain DFF, should be connected to the SRAM(memory port) of IOPAD, MUX and LUT */
dump_verilog_sram_one_outport(fp,
cur_sram_orgz_info,
cur_num_sram, cur_num_sram,
1, VERILOG_PORT_CONKT);
fprintf(fp, ");\n"); //
/* Update the counter */
update_sram_orgz_info_num_mem_bit(cur_sram_orgz_info,
cur_num_sram + 1);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid SRAM organization type!\n",
__FILE__, __LINE__);
exit(1);
}
/* Update the counter */
cur_sram_verilog_model->cnt++;
return;
}
void dump_verilog_scff_config_bus(FILE* fp,
t_spice_model* mem_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int lsb, int msb,
enum e_dump_verilog_port_type dump_port_type) {
char* port_full_name = NULL;
/* Check */
assert(NULL != mem_spice_model);
assert(SPICE_MODEL_SCFF == mem_spice_model->type);
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*
( strlen(mem_spice_model->prefix) + 1
+ strlen(my_itoa(mem_spice_model->cnt)) + 12 + 1));
sprintf(port_full_name, "%s_%d_config_bus0", mem_spice_model->prefix, mem_spice_model->cnt);
dump_verilog_generic_port(fp, dump_port_type, port_full_name, lsb, msb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* Dump MUX reserved and normal configuration wire bus */
void dump_verilog_mem_config_bus(FILE* fp, t_spice_model* mem_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int cur_num_sram,
int num_mem_reserved_conf_bits,
int num_mem_conf_bits) {
int num_blb_ports, num_wlb_ports;
t_spice_model_port** blb_port = NULL;
t_spice_model_port** wlb_port = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert(NULL != mem_spice_model);
assert((SPICE_MODEL_SRAM == mem_spice_model->type)
|| (SPICE_MODEL_SCFF == mem_spice_model->type));
/* Depend on the style of configuraion circuit */
switch (cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
break;
case SPICE_SRAM_SCAN_CHAIN:
/* We do not need any configuration bus
* Scan-chain FF outputs are directly wired to SRAM inputs of MUXes
dump_verilog_scff_config_bus(fp, mem_spice_model,
cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mem_conf_bits - 1,
VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
*/
break;
case SPICE_SRAM_MEMORY_BANK:
/* Find the BLB and WLB port, if there is any */
find_blb_wlb_ports_spice_model(mem_spice_model,
&num_blb_ports, &blb_port, &num_wlb_ports, &wlb_port);
/* configuration wire bus */
if (0 < (num_mem_reserved_conf_bits + num_mem_conf_bits)) {
/* First bus is for sram_out in CMOS MUX or BL in RRAM MUX */
fprintf(fp, "wire [%d:%d] %s_%d_configbus0;\n",
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1,
mem_spice_model->prefix, mem_spice_model->cnt);
/* Second bus is for sram_out_inv in CMOS MUX or WL in RRAM MUX */
fprintf(fp, "wire [%d:%d] %s_%d_configbus1;\n",
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1,
mem_spice_model->prefix, mem_spice_model->cnt);
if (1 == num_blb_ports) {
fprintf(fp, "wire [%d:%d] %s_%d_configbus0_b;\n",
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1,
mem_spice_model->prefix, mem_spice_model->cnt);
}
if (1 == num_wlb_ports) {
fprintf(fp, "wire [%d:%d] %s_%d_configbus1_b;\n",
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1,
mem_spice_model->prefix, mem_spice_model->cnt);
}
}
/* Connect wires to config bus */
/* reserved configuration bits */
if (0 < num_mem_reserved_conf_bits) {
fprintf(fp, "assign %s_%d_configbus0[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits - 1);
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
0, num_mem_reserved_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
fprintf(fp, "assign %s_%d_configbus1[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram,
cur_num_sram + num_mem_reserved_conf_bits - 1);
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
0, num_mem_reserved_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
/* normal configuration bits */
if (0 < num_mem_conf_bits) {
fprintf(fp, "assign %s_%d_configbus0[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram + num_mem_reserved_conf_bits,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mem_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
fprintf(fp, "assign %s_%d_configbus1[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram + num_mem_reserved_conf_bits,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mem_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
/* Dump inverted config_bus if needed */
if (1 == num_blb_ports) {
fprintf(fp, "assign %s_%d_configbus0_b[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram + num_mem_reserved_conf_bits,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mem_conf_bits - 1,
2, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
if (1 == num_wlb_ports) {
fprintf(fp, "assign %s_%d_configbus1_b[%d:%d] = ",
mem_spice_model->prefix, mem_spice_model->cnt,
cur_num_sram + num_mem_reserved_conf_bits,
cur_num_sram + num_mem_reserved_conf_bits + num_mem_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mem_conf_bits - 1,
3, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s,[LINE%d])Invalid SRAM organization type!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Dump MUX reserved and normal configuration wire bus */
void dump_verilog_cmos_mux_config_bus(FILE* fp, t_spice_model* mux_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int mux_size, int cur_num_sram,
int num_mux_reserved_conf_bits,
int num_mux_conf_bits) {
int num_blb_ports, num_wlb_ports;
t_spice_model_port** blb_port = NULL;
t_spice_model_port** wlb_port = NULL;
t_spice_model* cur_sram_verilog_model = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert(NULL != mux_spice_model);
assert(SPICE_MODEL_MUX == mux_spice_model->type);
switch(cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
break;
case SPICE_SRAM_SCAN_CHAIN:
/* We do not need any configuration bus
* Scan-chain FF outputs are directly wired to SRAM inputs of MUXes
*/
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
break;
case SPICE_SRAM_MEMORY_BANK:
/* configuration wire bus */
/* First bus is for sram_out in CMOS MUX */
fprintf(fp, "wire [%d:%d] %s_size%d_%d_configbus0;\n",
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
/* Second bus is for sram_out_inv in CMOS MUX */
fprintf(fp, "wire [%d:%d] %s_size%d_%d_configbus1;\n",
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
/* Declare output ports as wires */
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
0, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
/* Declare output ports as wires */
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
/* Connect wires to config bus */
fprintf(fp, "assign %s_size%d_%d_configbus0[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
fprintf(fp, "assign %s_size%d_%d_configbus1[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
/* Find the BLB and WLB port, if there is any */
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &cur_sram_verilog_model);
find_blb_wlb_ports_spice_model(cur_sram_verilog_model,
&num_blb_ports, &blb_port, &num_wlb_ports, &wlb_port);
/* Dump inverted config_bus if needed */
if (1 == num_blb_ports) {
fprintf(fp, "wire [%d:%d] %s_size%d_%d_configbus0_b;\n",
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
fprintf(fp, "assign %s_size%d_%d_configbus0_b[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
2, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
if (1 == num_wlb_ports) {
fprintf(fp, "wire [%d:%d] %s_size%d_%d_configbus1_b;\n",
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
fprintf(fp, "assign %s_size%d_%d_configbus1_b[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
3, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid SRAM organization!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Dump MUX reserved and normal configuration wire bus */
void dump_verilog_mux_config_bus(FILE* fp, t_spice_model* mux_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int mux_size, int cur_num_sram,
int num_mux_reserved_conf_bits,
int num_mux_conf_bits) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert(NULL != mux_spice_model);
assert(SPICE_MODEL_MUX == mux_spice_model->type);
/* depend on the design technology of this MUX:
* bus connections are different
* SRAM MUX: bus is connected to the output ports of SRAM
* RRAM MUX: bus is connected to the BL/WL of MUX
* TODO: Maybe things will become even more complicated,
* the bus connections may depend on the type of configuration circuit...
* Currently, this is fine.
*/
switch (mux_spice_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
dump_verilog_cmos_mux_config_bus(fp, mux_spice_model, cur_sram_orgz_info,
mux_size, cur_num_sram,
num_mux_reserved_conf_bits, num_mux_conf_bits);
break;
case SPICE_MODEL_DESIGN_RRAM:
/* configuration wire bus */
/* First bus is for sram_out in CMOS MUX or BL in RRAM MUX */
fprintf(fp, "wire [0:%d] %s_size%d_%d_configbus0;\n",
num_mux_reserved_conf_bits + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
/* Second bus is for sram_out_inv in CMOS MUX or WL in RRAM MUX */
fprintf(fp, "wire [0:%d] %s_size%d_%d_configbus1;\n",
num_mux_reserved_conf_bits + num_mux_conf_bits - 1,
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
/* Connect wires to config bus */
/* reserved configuration bits */
if (0 < num_mux_reserved_conf_bits) {
fprintf(fp, "assign %s_size%d_%d_configbus0[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
0, num_mux_reserved_conf_bits - 1);
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
0, num_mux_reserved_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
fprintf(fp, "assign %s_size%d_%d_configbus1[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
0, num_mux_reserved_conf_bits - 1);
dump_verilog_reserved_sram_one_port(fp, cur_sram_orgz_info,
0, num_mux_reserved_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
/* normal configuration bits */
if (0 < num_mux_conf_bits) {
fprintf(fp, "assign %s_size%d_%d_configbus0[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
num_mux_reserved_conf_bits,
num_mux_reserved_conf_bits + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
fprintf(fp, "assign %s_size%d_%d_configbus1[%d:%d] = ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt,
num_mux_reserved_conf_bits,
num_mux_reserved_conf_bits + num_mux_conf_bits - 1);
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ";\n");
}
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for SRAM!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Dump CMOS verilog MUX configuraiton bus ports */
void dump_verilog_cmos_mux_config_bus_ports(FILE* fp, t_spice_model* mux_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int mux_size, int cur_num_sram,
int num_mux_reserved_conf_bits,
int num_mux_conf_bits) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert(NULL != mux_spice_model);
assert(SPICE_MODEL_MUX == mux_spice_model->type);
switch(cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
break;
case SPICE_SRAM_SCAN_CHAIN:
/* configuration wire bus */
/* FOR Scan-chain, we need regular output of a scan-chain FF
* We do not need a prefix implying MUX name, size and index
*/
dump_verilog_sram_one_port(fp, cur_sram_orgz_info,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_CONKT);
fprintf(fp, ",\n");
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_CONKT);
break;
case SPICE_SRAM_MEMORY_BANK:
/* configuration wire bus */
/* First bus is for sram_out in CMOS MUX
* We need a prefix implying MUX name, size and index
*/
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
0, VERILOG_PORT_CONKT);
fprintf(fp, ",\n");
dump_verilog_mux_sram_one_outport(fp, cur_sram_orgz_info,
mux_spice_model, mux_size,
cur_num_sram, cur_num_sram + num_mux_conf_bits - 1,
1, VERILOG_PORT_CONKT);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid SRAM organization!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Dump MUX reserved and normal configuration wire bus */
void dump_verilog_mux_config_bus_ports(FILE* fp, t_spice_model* mux_spice_model,
t_sram_orgz_info* cur_sram_orgz_info,
int mux_size, int cur_num_sram,
int num_mux_reserved_conf_bits,
int num_mux_conf_bits) {
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert(NULL != mux_spice_model);
assert(SPICE_MODEL_MUX == mux_spice_model->type);
/* depend on the design technology of this MUX:
* bus connections are different
* SRAM MUX: bus is connected to the output ports of SRAM
*/
switch (mux_spice_model->design_tech) {
case SPICE_MODEL_DESIGN_CMOS:
dump_verilog_cmos_mux_config_bus_ports(fp, mux_spice_model, cur_sram_orgz_info,
mux_size, cur_num_sram,
num_mux_reserved_conf_bits, num_mux_conf_bits);
break;
case SPICE_MODEL_DESIGN_RRAM:
/* configuration wire bus */
fprintf(fp, "%s_size%d_%d_configbus0, ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
fprintf(fp, "%s_size%d_%d_configbus1 ",
mux_spice_model->prefix, mux_size, mux_spice_model->cnt);
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid design technology for SRAM!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
/* Dump common ports of each pb_type in physical mode,
* common ports include:
* 1. inpad; 2. outpad; 3. iopad; TODO: merge other two to iopad
* 4. SRAMs (standalone)
* 5. BL/WLs
* 6. Scan-chain FFs
*/
void dump_verilog_grid_common_port(FILE* fp, t_spice_model* cur_verilog_model,
char* general_port_prefix, int lsb, int msb,
enum e_dump_verilog_port_type dump_port_type) {
char* port_full_name = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
assert(NULL != cur_verilog_model);
if (0 > msb- lsb) {
return;
}
/*Malloc and generate the full name of port */
port_full_name = (char*)my_malloc(sizeof(char)*(strlen(general_port_prefix) + strlen(cur_verilog_model->prefix) + 1));
sprintf(port_full_name, "%s%s", general_port_prefix, cur_verilog_model->prefix);
fprintf(fp, ",\n");
dump_verilog_generic_port(fp, dump_port_type, port_full_name, msb, lsb);
/* Free */
/* Local variables such as port1_name and port2 name are automatically freed */
my_free(port_full_name);
return;
}
/* A widely used function to dump the configuration bus
* This is supposed to be called when declaring local wires in the main body of a module
* We will the internal wires (bus) used for connect SRAMs/RRAMs to other modules,
* such as LUTs, MUXes and IOs
*/
void dump_verilog_sram_config_bus_internal_wires(FILE* fp, t_sram_orgz_info* cur_sram_orgz_info,
int lsb, int msb) {
t_spice_model* mem_model = NULL;
/* Get the memory spice model*/
get_sram_orgz_info_mem_model(cur_sram_orgz_info, &mem_model);
assert (NULL != mem_model);
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Depend on the configuraion style */
switch(cur_sram_orgz_info->type) {
case SPICE_SRAM_STANDALONE:
break;
case SPICE_SRAM_SCAN_CHAIN:
dump_verilog_sram_one_outport(fp, cur_sram_orgz_info, lsb, msb, 1, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
break;
case SPICE_SRAM_MEMORY_BANK:
dump_verilog_sram_one_outport(fp, cur_sram_orgz_info, lsb, msb, 0, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
dump_verilog_sram_one_outport(fp, cur_sram_orgz_info, lsb, msb, 1, VERILOG_PORT_WIRE);
fprintf(fp, ";\n");
break;
default:
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid SRAM organization!\n",
__FILE__, __LINE__);
exit(1);
}
return;
}
void dump_verilog_toplevel_one_grid_side_pin_with_given_index(FILE* fp, t_rr_type pin_type,
int pin_index, int side,
int x, int y,
boolean dump_port_type) {
int height;
t_type_ptr type = NULL;
char* verilog_port_type = NULL;
/* Check the file handler*/
if (NULL == fp) {
vpr_printf(TIO_MESSAGE_ERROR,"(File:%s,[LINE%d])Invalid file handler.\n",
__FILE__, __LINE__);
exit(1);
}
/* Check */
assert((!(0 > x))&&(!(x > (nx + 1))));
assert((!(0 > y))&&(!(y > (ny + 1))));
type = grid[x][y].type;
assert(NULL != type);
assert((!(0 > pin_index))&&(pin_index < type->num_pins));
assert((!(0 > side))&&(!(side > 3)));
/* Assign the type of PIN*/
switch (pin_type) {
case IPIN:
/* case SINK: */
verilog_port_type = "output";
break;
/* case SOURCE: */
case OPIN:
verilog_port_type = "input";
break;
/* SINK and SOURCE are hypothesis nodes */
default:
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Invalid pin_type!\n", __FILE__, __LINE__);
exit(1);
}
/* Output the pins on the side*/
height = get_grid_pin_height(x, y, pin_index);
if (1 == type->pinloc[height][side][pin_index]) {
/* Not sure if we need to plus a height */
/* fprintf(fp, "grid_%d__%d__pin_%d__%d__%d_ ", x, y, height, side, pin_index); */
if (TRUE == dump_port_type) {
fprintf(fp, "%s ", verilog_port_type);
}
fprintf(fp, " grid_%d__%d__pin_%d__%d__%d_", x, y, height, side, pin_index);
if (TRUE == dump_port_type) {
fprintf(fp, ",\n");
}
} else {
vpr_printf(TIO_MESSAGE_ERROR, "(File:%s, [LINE%d])Fail to print a grid pin (x=%d, y=%d, height=%d, side=%d, index=%d)\n",
__FILE__, __LINE__, x, y, height, side, pin_index);
exit(1);
}
return;
}
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