77 lines
1.5 KiB
C++
77 lines
1.5 KiB
C++
|
#include <cstdio>
|
||
|
|
|
||
|
|
uint32_t main_time = 0;
|
||
|
|
|
||
|
|
double sc_time_stamp() {
|
||
|
|
return main_time;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void _assert(const char *file, int line, const char *exp, bool ev, const char *fmt, ...) {
|
||
|
|
if (!ev) {
|
||
|
|
va_list va;
|
||
|
|
va_start(va, fmt);
|
||
|
|
fprintf(stderr, "%s:%d: assertion failed: %s\n", file, line, exp);
|
||
|
|
vfprintf(stderr, fmt, va);
|
||
|
|
fprintf(stderr, "\n");
|
||
|
|
va_end(va);
|
||
|
|
exit(1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
#define STRINGIFY(s) #s
|
||
|
|
/* ,##__VA_ARGS__ is a GNU C extension */
|
||
|
|
#define my_assert(e, fmt, ...) _assert(__FILE__, __LINE__, STRINGIFY(e), (e), fmt ,##__VA_ARGS__)
|
||
|
|
|
||
|
|
#ifdef BAILOUT_NUMBER
|
||
|
|
# define BAILOUT(...) __VA_ARGS__
|
||
|
|
#else
|
||
|
|
# define BAILOUT(...)
|
||
|
|
#endif
|
||
|
|
|
||
|
|
static void run_clock() {
|
||
|
|
BAILOUT(static int bailout;)
|
||
|
|
for (int i = 0; i < 2; i++) {
|
||
|
|
mod->clk = !mod->clk;
|
||
|
|
mod->eval();
|
||
|
|
main_time++;
|
||
|
|
BAILOUT(bailout++;)
|
||
|
|
}
|
||
|
|
BAILOUT(if (bailout >= BAILOUT_NUMBER) exit(1);)
|
||
|
|
}
|
||
|
|
|
||
|
|
#undef BAILOUT
|
||
|
|
|
||
|
|
static void cleanup_exit() {
|
||
|
|
mod->final();
|
||
|
|
delete mod;
|
||
|
|
}
|
||
|
|
|
||
|
|
static void init(int argc, char **argv) {
|
||
|
|
Verilated::commandArgs(argc, argv);
|
||
|
|
Verilated::traceEverOn(true);
|
||
|
|
mod = new ModType;
|
||
|
|
mod->clk = 0;
|
||
|
|
atexit(cleanup_exit);
|
||
|
|
|
||
|
|
char *seed = getenv("RANDOM_SEED");
|
||
|
|
if (seed) {
|
||
|
|
unsigned long i = strtoul(seed, NULL, 10);
|
||
|
|
srand((unsigned int)i);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static V sign_extend(V x, unsigned len) {
|
||
|
|
/* if high bit is 1 */
|
||
|
|
if (x >> (len - 1) & 1) {
|
||
|
|
V mask = (1 << len) - 1;
|
||
|
|
return ~mask | x;
|
||
|
|
} else {
|
||
|
|
return x;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
#define MASK(x,v) ((x) & ((1 << (v)) - 1))
|
||
|
|
|
||
|
|
static V mask_extend(V x, unsigned len) {
|
||
|
|
return sign_extend(MASK(x,len), len);
|
||
|
|
}
|