File size: 2,485 Bytes
cd886b3 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 | #include "verilated.h"
#define CONCAT(A, B) A##B
#define CAT(A, B) CONCAT(A, B)
#define SUFF(x) CONCAT(x,_)
#define PREFIX(x) CAT(SUFF(VPREFIX),x)
#include <iostream>
#include <signal.h>
#include <unistd.h>
#include <sys/ioctl.h>
static uint64_t instruction_count = 0;
static uint64_t clock_count = 0;
static VPREFIX* sim = NULL;
static void dump(){
FILE *fp = fopen("dump.bin","w+");
printf("Dumping memory to dump.bin of size 0x%04x\n",sizeof(sim->rootp->soc_top__DOT__ram__DOT__mem));
fwrite(&sim->rootp->soc_top__DOT__ram__DOT__mem[0],1,sizeof(sim->rootp->soc_top__DOT__ram__DOT__mem),fp);
fclose(fp);
}
static void exit_now(int signo){
puts("\n\n");
for(int i = 0; i < 32;i++){
printf("regs %d: 0x%0x\n",i,sim->rootp->soc_top__DOT__riscv_cpu__DOT__rfile__DOT__regfile_mem[i]);
}
for(int i = 0; i < 32;i++){
printf("mem 0x%02x: 0x%08lx\n",i*4,sim->rootp->soc_top__DOT__ram__DOT__mem[i]);
}
for(int i = 0; i < 10;i++){
printf("sys_mem 0x%02x: 0x%08lx\n",i*4,sim->rootp->soc_top__DOT__system__DOT__mem[i]);
}
//dump();
sim->final();
delete sim;
printf("IPC: %lf instructions/clock\nCPI: %lf clock/instructions, count %d\n",(double)instruction_count/clock_count,(double)clock_count/instruction_count, instruction_count);
exit(signo);
}
char get_console() {
int byteswaiting, rread;
char rxchar = 0;
/* Are there pending bytes */
ioctl(0, FIONREAD, &byteswaiting);
if(byteswaiting){
rread = read(0, &rxchar, 1);
return (rread > 0)?rxchar:-1;
}
return 0;
}
int main(int argc, char **argv, char **env) {
signal(SIGINT, exit_now);
Verilated::commandArgs(argc, argv);
sim = new VPREFIX;
sim->APB_PRESETn = 1;
sim->eval();
sim->APB_PRESETn = 0;
sim->eval();
sim->APB_PRESETn = 1;
uint32_t oldpc = sim->oldpc;
char char_in = 0;
bool read = false;
while(!sim->halted){
//printf("microop_pc 0x%0x pc: 0x%0x\n",sim->odat,sim->oldpc);
//usleep(50000);
sim->char_in = char_in;
sim->clk = 0;
sim->eval();
sim->char_in = char_in;
sim->clk = 1;
sim->eval();
if(sim->read)
read = true;
if(sim->oldpc != oldpc){
if(read || char_in == 0){
char_in = get_console();
read = false;
}
//printf("pc: 0x%0x\n",sim->oldpc);
oldpc = sim->oldpc;
instruction_count++;
//printf("IPC: %lf instructions/clock,\tCPI: %lf clock/instructions\n",(double)instruction_count/clock_count,(double)clock_count/instruction_count);
}
clock_count++;
}
printf("PC 0x%0x\n",sim->oldpc);
//dump();
exit_now(0);
return 0;
}
|