mibuild/sim: regroup console_tb/ethernet_tb in dut_tb

This commit is contained in:
Florent Kermarrec 2015-03-09 14:03:26 +01:00
parent e82b540a96
commit a72c091bc2
3 changed files with 14 additions and 170 deletions

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@ -1,168 +0,0 @@
// This file is Copyright (c) 2015 Florent Kermarrec <florent@enjoy-digital.fr>
// License: BSD
#include <time.h>
#include "Vdut.h"
#include "verilated.h"
#include "verilated_vcd_c.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <termios.h>
int trace = 0;
struct termios orig_termios;
void reset_terminal_mode(void)
{
tcsetattr(0, TCSANOW, &orig_termios);
}
void set_conio_terminal_mode(void)
{
struct termios new_termios;
/* take two copies - one for now, one for later */
tcgetattr(0, &orig_termios);
memcpy(&new_termios, &orig_termios, sizeof(new_termios));
/* register cleanup handler, and set the new terminal mode */
atexit(reset_terminal_mode);
cfmakeraw(&new_termios);
tcsetattr(0, TCSANOW, &new_termios);
}
int kbhit(void)
{
struct timeval tv = { 0L, 0L };
fd_set fds;
FD_ZERO(&fds);
FD_SET(0, &fds);
return select(1, &fds, NULL, NULL, &tv);
}
int getch(void)
{
int r;
unsigned char c;
if ((r = read(0, &c, sizeof(c))) < 0) {
return r;
} else {
return c;
}
}
vluint64_t main_time = 0;
double sc_time_stamp()
{
return main_time;
}
Vdut* dut;
VerilatedVcdC* tfp;
/* ios */
struct sim {
bool run;
unsigned int tick;
clock_t start;
clock_t end;
};
int console_service(struct sim *s)
{
/* fpga --> console */
SERIAL_SOURCE_ACK = 1;
if(SERIAL_SOURCE_STB == 1) {
if (SERIAL_SOURCE_DATA == '\n')
putchar('\r');
putchar(SERIAL_SOURCE_DATA);
fflush(stdout);
}
/* console --> fpga */
SERIAL_SINK_STB = 0;
if (s->tick%(1000) == 0) {
if(kbhit()) {
char c = getch();
if (c == 27 && !kbhit()) {
printf("\r\n");
return -1;
} else {
SERIAL_SINK_STB = 1;
SERIAL_SINK_DATA = c;
}
}
}
return 0;
}
void sim_tick(struct sim *s)
{
SYS_CLK = s->tick%2;
dut->eval();
if (trace)
tfp->dump(s->tick);
s->tick++;
}
void sim_init(struct sim *s)
{
int i;
s->tick = 0;
#ifdef SYS_RST
SYS_RST = 1;
SYS_CLK = 0;
for (i=0; i<8; i++)
sim_tick(s);
SYS_RST = 0;
#endif
s->start = clock();
}
int main(int argc, char **argv, char **env)
{
float speed;
set_conio_terminal_mode();
Verilated::commandArgs(argc, argv);
dut = new Vdut;
Verilated::traceEverOn(true);
tfp = new VerilatedVcdC;
dut->trace(tfp, 99);
tfp->open("dut.vcd");
struct sim s;
sim_init(&s);
s.run = true;
while(s.run) {
sim_tick(&s);
if (SYS_CLK) {
if (console_service(&s) != 0)
s.run = false;
}
}
s.end = clock();
speed = (s.tick/2)/((s.end-s.start)/CLOCKS_PER_SEC);
printf("average speed: %3.3f MHz\n\r", speed/1000000);
tfp->close();
exit(0);
}

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@ -79,7 +79,7 @@ int getch(void)
mknod /dev/net/tap0 c 10 200
delete tap:
openvpn --rmtun --dev tap0 */
#ifdef ETH_SOURCE_STB
unsigned char eth_txbuffer[1532];
unsigned char eth_rxbuffer[1532];
int eth_txbuffer_len = 0;
@ -148,6 +148,7 @@ int eth_read_tap (
}
return length;
}
#endif
Vdut* dut;
VerilatedVcdC* tfp;
@ -259,6 +260,10 @@ void sim_init(struct sim *s)
int main(int argc, char **argv, char **env)
{
float speed;
set_conio_terminal_mode();
Verilated::commandArgs(argc, argv);
dut = new Vdut;
@ -270,12 +275,14 @@ int main(int argc, char **argv, char **env)
struct sim s;
sim_init(&s);
#ifdef ETH_SOURCE_STB
struct eth_device eth;
char dev[] = "/dev/net/tap0";
char tap[] = "tap0";
eth.dev = dev;
eth.tap = tap;
eth_open(&eth);
#endif
s.run = true;
while(s.run) {
@ -290,6 +297,11 @@ int main(int argc, char **argv, char **env)
}
s.end = clock();
speed = (s.tick/2)/((s.end-s.start)/CLOCKS_PER_SEC);
printf("average speed: %3.3f MHz\n\r", speed/1000000);
tfp->close();
exit(0);

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@ -109,7 +109,7 @@ def _run_sim(build_name):
class VerilatorPlatform(GenericPlatform):
# XXX fir sim_path
def build(self, soc, build_dir="build", build_name="top",
sim_path="../migen/mibuild/sim/", dut="console_tb",
sim_path="../migen/mibuild/sim/", dut="dut_tb",
run=True, verbose=False):
tools.mkdir_noerror(build_dir)
os.chdir(build_dir)