int main(int argc, char **argv)
{
nlsdev_cmd_t cmd = {0,0};
int rc;
rc = open_block_device();
if (!rc) {
block_dev_handle = open(DEVICE_NAME, O_RDWR);
if (block_dev_handle < 0) {
printf("ERROR: Open of device %s failed %d errno = %d\n",
DEVICE_NAME,block_dev_handle, errno);
}
else {
rc = ioctl (block_dev_handle, NLSDEV_CMD, &cmd);
printf("return from ioctl %d \n", rc);
}
} else {
printf("ERROR: Create/open block device failed\n");
}
return 0;
}
int main(int argc, char *argv[])
{
struct core *core;
int option;
bool enable_memory_dump = false;
uint32_t mem_dump_base = 0;
uint32_t mem_dump_length = 0;
char *mem_dump_filename = NULL;
size_t mem_dump_filename_len = 0;
bool verbose = false;
uint32_t fb_width = 640;
uint32_t fb_height = 480;
bool block_device_open = false;
bool enable_fb_window = false;
uint32_t total_threads = 4;
char *separator;
uint32_t memory_size = 0x1000000;
const char *shared_memory_file = NULL;
struct stat st;
enum
{
MODE_NORMAL,
MODE_COSIMULATION,
MODE_GDB_REMOTE_DEBUG
} mode = MODE_NORMAL;
while ((option = getopt(argc, argv, "f:d:vm:b:t:c:r:s:i:o:")) != -1)
{
switch (option)
{
case 'v':
verbose = true;
break;
case 'r':
screen_refresh_rate = parse_num_arg(optarg);
break;
case 'f':
enable_fb_window = true;
separator = strchr(optarg, 'x');
if (!separator)
{
fprintf(stderr, "Invalid frame buffer size %s\n", optarg);
return 1;
}
fb_width = parse_num_arg(optarg);
fb_height = parse_num_arg(separator + 1);
break;
case 'm':
if (strcmp(optarg, "normal") == 0)
mode = MODE_NORMAL;
else if (strcmp(optarg, "cosim") == 0)
mode = MODE_COSIMULATION;
else if (strcmp(optarg, "gdb") == 0)
mode = MODE_GDB_REMOTE_DEBUG;
else
{
fprintf(stderr, "Unkown execution mode %s\n", optarg);
return 1;
}
break;
case 'd':
// Memory dump, of the form: filename,start,length
separator = strchr(optarg, ',');
if (separator == NULL)
{
fprintf(stderr, "bad format for memory dump\n");
usage();
return 1;
}
mem_dump_filename_len = (size_t)(separator - optarg);
mem_dump_filename = (char*) malloc(mem_dump_filename_len + 1);
strncpy(mem_dump_filename, optarg, mem_dump_filename_len);
mem_dump_filename[mem_dump_filename_len] = '\0';
mem_dump_base = parse_num_arg(separator + 1);
separator = strchr(separator + 1, ',');
if (separator == NULL)
{
fprintf(stderr, "bad format for memory dump\n");
usage();
return 1;
}
mem_dump_length = parse_num_arg(separator + 1);
enable_memory_dump = true;
break;
case 'b':
if (open_block_device(optarg) < 0)
return 1;
block_device_open = true;
break;
case 'c':
memory_size = parse_num_arg(optarg);
break;
case 't':
total_threads = parse_num_arg(optarg);
if (total_threads < 1 || total_threads > 32)
{
fprintf(stderr, "Total threads must be between 1 and 32\n");
return 1;
}
break;
case 's':
shared_memory_file = optarg;
break;
case 'i':
recv_interrupt_fd = open(optarg, O_RDWR);
if (recv_interrupt_fd < 0)
{
perror("main: failed to open receive interrupt pipe");
return 1;
}
if (fstat(recv_interrupt_fd, &st) < 0)
{
perror("main: stat failed on receive interrupt pipe");
return 1;
}
if ((st.st_mode & S_IFMT) != S_IFIFO)
{
fprintf(stderr, "%s is not a pipe\n", optarg);
return 1;
}
break;
case 'o':
send_interrupt_fd = open(optarg, O_RDWR);
if (send_interrupt_fd < 0)
{
perror("main: failed to open send interrupt pipe");
return 1;
}
if (fstat(send_interrupt_fd, &st) < 0)
{
perror("main: stat failed on send interrupt pipe");
return 1;
}
if ((st.st_mode & S_IFMT) != S_IFIFO)
{
fprintf(stderr, "%s is not a pipe\n", optarg);
return 1;
}
break;
case '?':
usage();
return 1;
}
}
if (optind == argc)
{
fprintf(stderr, "No image filename specified\n");
usage();
return 1;
}
// Don't randomize memory for cosimulation mode, because
// memory is checked against the hardware model to ensure a match
core = init_core(memory_size, total_threads, mode != MODE_COSIMULATION,
shared_memory_file);
if (core == NULL)
return 1;
if (load_hex_file(core, argv[optind]) < 0)
{
fprintf(stderr, "Error reading image %s\n", argv[optind]);
return 1;
}
if (enable_fb_window)
{
if (init_frame_buffer(fb_width, fb_height) < 0)
return 1;
}
switch (mode)
{
case MODE_NORMAL:
if (verbose)
enable_tracing(core);
set_stop_on_fault(core, false);
if (enable_fb_window)
{
while (execute_instructions(core, ALL_THREADS, screen_refresh_rate))
{
update_frame_buffer(core);
poll_fb_window_event();
check_interrupt_pipe(core);
}
}
else
{
while (execute_instructions(core, ALL_THREADS, 1000000))
check_interrupt_pipe(core);
}
break;
case MODE_COSIMULATION:
set_stop_on_fault(core, false);
if (run_cosimulation(core, verbose) < 0)
return 1; // Failed
break;
case MODE_GDB_REMOTE_DEBUG:
set_stop_on_fault(core, true);
remote_gdb_main_loop(core, enable_fb_window);
break;
}
if (enable_memory_dump)
write_memory_to_file(core, mem_dump_filename, mem_dump_base, mem_dump_length);
dump_instruction_stats(core);
if (block_device_open)
close_block_device();
if (stopped_on_fault(core))
return 1;
return 0;
}
