/* Send an IP datagram. Modeled after the example interface on p 32 of
* RFC 791
*/
int
ip_send(
int32 source, /* source address */
int32 dest, /* Destination address */
char protocol, /* Protocol */
char tos, /* Type of service */
char ttl, /* Time-to-live */
struct mbuf **bpp, /* Data portion of datagram */
uint16 length, /* Optional length of data portion */
uint16 id, /* Optional identification */
char df /* Don't-fragment flag */
){
struct ip ip; /* IP header */
ipOutRequests++;
if(bpp == NULL)
return -1;
if(source == INADDR_ANY)
source = locaddr(dest);
if(length == 0 && *bpp != NULL)
length = len_p(*bpp);
if(id == 0)
id = Id_cntr++;
if(ttl == 0)
ttl = ipDefaultTTL;
/* Fill in IP header */
ip.version = IPVERSION;
ip.tos = tos;
ip.length = IPLEN + length;
ip.id = id;
ip.offset = 0;
ip.flags.mf = 0;
ip.flags.df = df;
ip.flags.congest = 0;
ip.ttl = ttl;
ip.protocol = protocol;
ip.source = source;
ip.dest = dest;
ip.optlen = 0;
if(Ip_trace)
dumpip(NULL,&ip,*bpp,0);
htonip(&ip,bpp,IP_CS_NEW);
if(ismyaddr(ip.dest)){
/* Pretend it has been sent by the loopback interface before
* it appears in the receive queue
*/
#ifdef SIM
net_sim(bpp);
#else
net_route(&Loopback,bpp);
#endif
Loopback.ipsndcnt++;
Loopback.rawsndcnt++;
Loopback.lastsent = secclock();
} else
net_route(NULL,bpp);
return 0;
}
int main(int argc, char **argv)
{
/* Initial information */
fprintf(stderr, "\n");
fprintf(stderr, "; Multi2Sim %s - A Simulation Framework for CPU-GPU Heterogeneous Computing\n",
VERSION);
fprintf(stderr, "; Please use command 'm2s --help' for a list of command-line options.\n");
fprintf(stderr, "; Last compilation: %s %s\n", __DATE__, __TIME__);
fprintf(stderr, "\n");
/* Read command line */
sim_read_command_line(&argc, argv);
/* CPU disassembler tool */
if (*cpu_disasm_file_name)
ke_disasm(cpu_disasm_file_name);
/* GPU disassembler tool */
if (*gpu_disasm_file_name)
gk_disasm(gpu_disasm_file_name);
/* OpenGL disassembler tool */
if (*opengl_disasm_file_name)
gl_disasm(opengl_disasm_file_name, opengl_disasm_shader_index);
/* GPU visualization tool */
if (*gpu_visual_file_name)
vgpu_run(gpu_visual_file_name);
/* Memory hierarchy visualization tool */
if (*visual_file_name)
vmem_run(visual_file_name);
/* Network simulation tool */
if (*net_sim_network_name)
net_sim(net_debug_file_name);
/* Debug */
debug_init();
isa_inst_debug_category = debug_new_category(isa_inst_debug_file_name);
isa_call_debug_category = debug_new_category(isa_call_debug_file_name);
elf_debug_category = debug_new_category(elf_debug_file_name);
net_debug_category = debug_new_category(net_debug_file_name);
ld_debug_category = debug_new_category(loader_debug_file_name);
sys_debug_category = debug_new_category(syscall_debug_file_name);
ctx_debug_category = debug_new_category(ctx_debug_file_name);
mem_debug_category = debug_new_category(mem_debug_file_name);
opencl_debug_category = debug_new_category(opencl_debug_file_name);
gpu_isa_debug_category = debug_new_category(gpu_isa_debug_file_name);
gpu_stack_debug_category = debug_new_category(gpu_stack_debug_file_name); /* GPU-REL */
gpu_faults_debug_category = debug_new_category(gpu_faults_debug_file_name); /* GPU-REL */
gpu_pipeline_debug_category = debug_new_category(gpu_pipeline_debug_file_name);
error_debug_category = debug_new_category(error_debug_file_name);
esim_debug_init(esim_debug_file_name);
/* Trace */
trace_init(trace_file_name);
mem_trace_category = trace_new_category();
/* Initialization for functional simulation */
esim_init();
ke_init();
net_init();
/* Initialization for detailed simulation */
if (cpu_sim_kind == cpu_sim_detailed)
cpu_init();
if (gpu_sim_kind == gpu_sim_detailed)
gpu_init();
/* Memory hierarchy initialization, done after we initialized CPU cores
* and GPU compute units. */
mem_system_init();
/* Load programs */
cpu_load_progs(argc, argv, ctxconfig_file_name);
/* Simulation loop */
if (ke->running_list_head)
{
if (cpu_sim_kind == cpu_sim_detailed)
cpu_run();
else
ke_run();
}
/* Flush event-driven simulation */
esim_process_all_events(0);
/* Dump statistics summary */
sim_stats_summary();
/* Finalization of memory system */
mem_system_done();
/* Finalization of detailed CPU simulation */
if (cpu_sim_kind == cpu_sim_detailed)
{
esim_debug_done();
cpu_done();
}
/* Finalization of detailed GPU simulation */
if (gpu_sim_kind == gpu_sim_detailed)
gpu_done();
/* Finalization */
net_done();
esim_done();
trace_done();
ke_done();
debug_done();
mhandle_done();
/* End */
return 0;
}
