iverilog/vvp/main.cc

370 lines
11 KiB
C++

/*
* Copyright (c) 2001-2010 Stephen Williams (steve@icarus.com)
*
* This source code is free software; you can redistribute it
* and/or modify it in source code form under the terms of the GNU
* General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
# include "config.h"
# include "version.h"
# include "parse_misc.h"
# include "compile.h"
# include "schedule.h"
# include "vpi_priv.h"
# include "statistics.h"
# include <stdio.h>
# include <stdlib.h>
# include <string.h>
# include <unistd.h>
#if defined(HAVE_SYS_RESOURCE_H)
# include <sys/time.h>
# include <sys/resource.h>
#endif // defined(HAVE_SYS_RESOURCE_H)
#if defined(HAVE_GETOPT_H)
# include <getopt.h>
#endif
#if defined(__MINGW32__)
# include <windows.h>
#endif
#if defined(__MINGW32__) && !defined(HAVE_GETOPT_H)
extern "C" int getopt(int argc, char*argv[], const char*fmt);
extern "C" int optind;
extern "C" const char*optarg;
#endif
bool verbose_flag = false;
bool version_flag = false;
static char log_buffer[4096];
#if defined(HAVE_SYS_RESOURCE_H)
static void my_getrusage(struct rusage *a)
{
getrusage(RUSAGE_SELF, a);
# if defined(LINUX)
{
FILE *statm;
unsigned siz, rss, shd;
long page_size = sysconf(_SC_PAGESIZE);
if (page_size==-1) page_size=0;
statm = fopen("/proc/self/statm", "r");
if (!statm) {
perror("/proc/self/statm");
return;
}
if (3<=fscanf(statm, "%u%u%u", &siz, &rss, &shd)) {
a->ru_maxrss = page_size * siz;
a->ru_idrss = page_size * rss;
a->ru_ixrss = page_size * shd;
}
fclose(statm);
}
# endif
}
static void print_rusage(struct rusage *a, struct rusage *b)
{
double delta = a->ru_utime.tv_sec
+ a->ru_utime.tv_usec/1E6
+ a->ru_stime.tv_sec
+ a->ru_stime.tv_usec/1E6
- b->ru_utime.tv_sec
- b->ru_utime.tv_usec/1E6
- b->ru_stime.tv_sec
- b->ru_stime.tv_usec/1E6
;
vpi_mcd_printf(1,
" ... %G seconds,"
" %.1f/%.1f/%.1f KBytes size/rss/shared\n",
delta,
a->ru_maxrss/1024.0,
(a->ru_idrss+a->ru_isrss)/1024.0,
a->ru_ixrss/1024.0 );
}
#else // ! defined(HAVE_SYS_RESOURCE_H)
// Provide dummies
struct rusage { int x; };
inline static void my_getrusage(struct rusage *) { }
inline static void print_rusage(struct rusage *, struct rusage *){};
#endif // ! defined(HAVE_SYS_RESOURCE_H)
static bool have_ivl_version = false;
/*
* Verify that the input file has a compatible version.
*/
void verify_version(char*ivl_ver, char*commit)
{
have_ivl_version = true;
if (verbose_flag) {
vpi_mcd_printf(1, " ... VVP file version %s", ivl_ver);
if (commit) vpi_mcd_printf(1, " %s", commit);
vpi_mcd_printf(1, "\n");
}
free(commit);
char*vvp_ver = strdup(VERSION);
char *vp, *ip;
/* Check the major/minor version. */
ip = strrchr(ivl_ver, '.');
*ip = '\0';
vp = strrchr(vvp_ver, '.');
*vp = '\0';
if (strcmp(ivl_ver, vvp_ver) != 0) {
vpi_mcd_printf(1, "Error: VVP input file version %s can not "
"be run with run time version %s!\n",
ivl_ver, vvp_ver);
exit(1);
}
/* Check that the sub-version is compatible. */
ip += 1;
vp += 1;
int ivl_sv, vvp_sv;
if (strcmp(ip, "devel") == 0) {
ivl_sv = -1;
} else {
int res = sscanf(ip, "%d", &ivl_sv);
assert(res == 1);
}
if (strcmp(vp, "devel") == 0) {
vvp_sv = -1;
} else {
int res = sscanf(vp, "%d", &vvp_sv);
assert(res == 1);
}
if (ivl_sv > vvp_sv) {
if (verbose_flag) vpi_mcd_printf(1, " ... ");
vpi_mcd_printf(1, "Warning: VVP input file sub-version %s is "
"greater than the run time sub-version %s!\n",
ip, vp);
}
free(ivl_ver);
free(vvp_ver);
}
unsigned module_cnt = 0;
const char*module_tab[64];
extern void vpi_mcd_init(FILE *log);
extern void vvp_vpi_init(void);
int main(int argc, char*argv[])
{
int opt;
unsigned flag_errors = 0;
const char*design_path = 0;
struct rusage cycles[3];
const char *logfile_name = 0x0;
FILE *logfile = 0x0;
extern void vpi_set_vlog_info(int, char**);
extern bool stop_is_finish;
#ifdef __MINGW32__
/* In the Windows world, we get the first module path
component relative the location where the binary lives. */
{ char path[4096], *s;
GetModuleFileName(NULL,path,1024);
/* Get to the end. Search back twice for backslashes */
s = path + strlen(path);
while (*s != '\\') s--; s--;
while (*s != '\\') s--;
strcpy(s,"\\lib\\ivl");
vpip_module_path[0] = strdup(path);
}
#endif
/* For non-interactive runs we do not want to run the interactive
* debugger, so make $stop just execute a $finish. */
stop_is_finish = false;
while ((opt = getopt(argc, argv, "+dhl:M:m:nvV")) != EOF) switch (opt) {
case 'h':
fprintf(stderr,
"Usage: vvp [options] input-file [+plusargs...]\n"
"Options:\n"
" -h Print this help message.\n"
" -l file Logfile, '-' for <stderr>\n"
" -M path VPI module directory\n"
" -M - Clear VPI module path\n"
" -m module Load vpi module.\n"
" -n Non-interactive ($stop = $finish).\n"
" -v Verbose progress messages.\n"
" -V Print the version information.\n" );
exit(0);
case 'l':
logfile_name = optarg;
break;
case 'M':
if (strcmp(optarg,"-") == 0) {
vpip_module_path_cnt = 0;
vpip_module_path[0] = 0;
} else {
vpip_module_path[vpip_module_path_cnt++] = optarg;
}
break;
case 'm':
module_tab[module_cnt++] = optarg;
break;
case 'n':
stop_is_finish = true;
break;
case 'v':
verbose_flag = true;
break;
case 'V':
version_flag = true;
break;
default:
flag_errors += 1;
}
if (flag_errors)
return flag_errors;
if (version_flag) {
fprintf(stderr, "Icarus Verilog runtime version " VERSION "\n\n");
fprintf(stderr, "Copyright 2001-2010 Stephen Williams\n\n");
fprintf(stderr,
" This program is free software; you can redistribute it and/or modify\n"
" it under the terms of the GNU General Public License as published by\n"
" the Free Software Foundation; either version 2 of the License, or\n"
" (at your option) any later version.\n"
"\n"
" This program is distributed in the hope that it will be useful,\n"
" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
" GNU General Public License for more details.\n"
"\n"
" You should have received a copy of the GNU General Public License along\n"
" with this program; if not, write to the Free Software Foundation, Inc.,\n"
" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.\n\n"
);
return 0;
}
if (optind == argc) {
fprintf(stderr, "%s: no input file.\n", argv[0]);
return -1;
}
design_path = argv[optind];
/* This is needed to get the MCD I/O routines ready for
anything. It is done early because it is plausible that the
compile might affect it, and it is cheap to do. */
if (logfile_name) {
if (!strcmp(logfile_name, "-"))
logfile = stderr;
else {
logfile = fopen(logfile_name, "w");
if (!logfile) {
perror(logfile_name);
exit(1);
}
setvbuf(logfile, log_buffer, _IOLBF, sizeof(log_buffer));
}
}
vpi_mcd_init(logfile);
if (verbose_flag) {
my_getrusage(cycles+0);
vpi_mcd_printf(1, "Compiling VVP ...\n");
}
vvp_vpi_init();
/* Make the extended arguments available to the simulation. */
vpi_set_vlog_info(argc-optind, argv+optind);
compile_init();
for (unsigned idx = 0 ; idx < module_cnt ; idx += 1)
vpip_load_module(module_tab[idx]);
if (int rc = compile_design(design_path))
return rc;
if (!have_ivl_version) {
if (verbose_flag) vpi_mcd_printf(1, "... ");
vpi_mcd_printf(1, "Warning: vvp input file may not be correct "
"version!\n");
}
if (verbose_flag) {
vpi_mcd_printf(1, "Compile cleanup...\n");
}
compile_cleanup();
if (compile_errors > 0) {
vpi_mcd_printf(1, "%s: Program not runnable, %u errors.\n",
design_path, compile_errors);
return compile_errors;
}
if (verbose_flag) {
vpi_mcd_printf(1, " ... %8lu functors\n", count_functors);
vpi_mcd_printf(1, " %8lu table\n", count_functors_table);
vpi_mcd_printf(1, " %8lu bufif\n", count_functors_bufif);
vpi_mcd_printf(1, " %8lu resolv\n",count_functors_resolv);
vpi_mcd_printf(1, " %8lu variable\n", count_functors_var);
vpi_mcd_printf(1, " ... %8lu opcodes (%lu bytes)\n",
count_opcodes, (unsigned long)size_opcodes);
vpi_mcd_printf(1, " ... %8lu nets\n", count_vpi_nets);
vpi_mcd_printf(1, " ... %8lu memories\n", count_vpi_memories);
vpi_mcd_printf(1, " ... %8lu scopes\n", count_vpi_scopes);
}
if (verbose_flag) {
my_getrusage(cycles+1);
print_rusage(cycles+1, cycles+0);
vpi_mcd_printf(1, "Running ...\n");
}
schedule_simulate();
if (verbose_flag) {
my_getrusage(cycles+2);
print_rusage(cycles+2, cycles+1);
vpi_mcd_printf(1, "Event counts: (event pool = %lu)\n",
count_event_pool);
vpi_mcd_printf(1, " %8lu thread schedule events\n",
count_thread_events);
vpi_mcd_printf(1, " %8lu propagation events\n",
count_prop_events);
vpi_mcd_printf(1, " %8lu assign events\n",
count_assign_events);
vpi_mcd_printf(1, " %8lu other events\n",
count_gen_events);
}
return 0;
}