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[/] [or1k/] [tags/] [stable_0_2_0_rc1/] [or1ksim/] [sim-config.c] - Blame information for rev 1550

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/* sim-config.c -- Simulator configuration
   Copyright (C) 1999 Damjan Lampret, lampret@opencores.org
 
This file is part of OpenRISC 1000 Architectural Simulator.
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
 
/* Simulator configuration. Eventually this one will be a lot bigger. */
 
#include <stdlib.h>
#include <limits.h>
#include <string.h>
#include <ctype.h>
 
#include "config.h"
 
#ifdef HAVE_INTTYPES_H
#include <inttypes.h>
#endif
 
#include "port.h"
#include "arch.h"
#include "sim-config.h"
#include "abstract.h"
#include "opcode/or32.h"
#include "spr_defs.h"
#include "execute.h"
#include "sprs.h"
#include "pic.h"
#include "stats.h"
#include "icache_model.h"
#include "dcache_model.h"
 
#include "profiler.h"
#include "mprofiler.h"
#include "cuc.h"
 
#include "debug.h"
 
DEFAULT_DEBUG_CHANNEL(config);
 
#define WARNING(s) fprintf (stderr, "WARNING: config.%s: %s\n", cur_section->name, (s))
#define MERROR(s) {fprintf (stderr, "ERROR: %s\n", s); if (runtime.sim.init) exit (1);}
 
struct config config;
struct runtime runtime;
 
struct config_section *cur_section;
 
struct config_section *sections = NULL;
 
void init_defconfig(void)
{
  memset(&config, 0, sizeof(config));
  /* Sim */
  config.sim.exe_log = 0;
  config.sim.exe_log_type = EXE_LOG_HARDWARE;
  config.sim.exe_log_start = 0;
  config.sim.exe_log_end = 0;
  config.sim.exe_log_marker = 0;
  strcpy (config.sim.exe_log_fn, "executed.log");
  config.sim.profile = 0;
  config.sim.mprofile = 0;
 
  config.sim.debug = 0;
  config.sim.verbose = 1;
 
  strcpy (config.sim.prof_fn, "sim.profile");
  strcpy (config.sim.mprof_fn, "sim.mprofile");
  strcpy (config.sim.fstdout, "stdout.txt");
  strcpy (runtime.sim.script_fn, "(default)");
  config.sim.clkcycle_ps = 4000; /* 4000 for 4ns (250MHz) */
  if (config.sim.clkcycle_ps) config.sim.system_kfreq = (long)((1000000000.0 / (double)config.sim.clkcycle_ps));
  else config.sim.system_kfreq = INT_MAX;
  if (config.sim.system_kfreq <= 0) config.sim.system_kfreq = 1;
 
  /* IMMU & DMMU*/
  config.immu.enabled = 0;
  config.immu.hitdelay = 1;
  config.immu.missdelay = 1;
  config.dmmu.enabled = 0;
  config.dmmu.hitdelay = 1;
  config.dmmu.missdelay = 1;
 
  /* IC & DC */
  config.ic.enabled = 0;
  config.ic.hitdelay = 1;
  config.ic.missdelay = 1;
  config.ic.nways = 0;
  config.ic.nsets = 0;
  config.ic.ustates = 0;
  config.dc.enabled = 0;
  config.dc.load_hitdelay = 2;
  config.dc.load_missdelay = 2;
  config.dc.nways = 0;
  config.dc.nsets = 0;
  config.dc.ustates = 0;
  config.dc.store_hitdelay = 0;
  config.dc.store_missdelay = 0;
 
  /* CPU */
  config.cpu.superscalar = 0;
  config.sim.history = 0;
  config.cpu.hazards = 0;
  config.cpu.dependstats = 0;
  config.cpu.sbuf_len = 0;
  config.cpu.upr = SPR_UPR_UP | SPR_UPR_DCP | SPR_UPR_ICP | SPR_UPR_DMP
                 | SPR_UPR_IMP | SPR_UPR_OB32P | SPR_UPR_DUP | SPR_UPR_PICP
                 | SPR_UPR_PMP | SPR_UPR_TTP;
  config.cpu.sr = 0x00008001;
 
  /* Debug */
  config.debug.enabled = 0;
  config.debug.gdb_enabled = 0;
  config.debug.server_port = 0;
 
  /* VAPI */
  config.vapi.enabled = 0;
  strcpy (config.vapi.vapi_fn, "vapi.log");
 
  /* PM */
  config.pm.enabled = 0;
 
  /* CUC */
  strcpy (config.cuc.timings_fn, "virtex.tim");
  config.cuc.memory_order = MO_STRONG;
  config.cuc.calling_convention = 1;
  config.cuc.enable_bursts = 1;
  config.cuc.no_multicycle = 1;
 
  /* Configure runtime */
  memset(&runtime, 0, sizeof(runtime));
 
  /* Sim */
  runtime.sim.fexe_log = NULL;
  runtime.sim.iprompt = 0;
  runtime.sim.fprof = NULL;
  runtime.sim.fmprof = NULL;
  runtime.sim.init = 1;
  runtime.sim.fout = stdout;
  runtime.sim.script_file_specified = 0;
  runtime.simcmd.profile = 0;
  runtime.simcmd.mprofile = 0;
 
  /* VAPI */
  runtime.vapi.vapi_file = NULL;
  runtime.vapi.enabled = 0;
}
 
int parse_args(int argc, char *argv[])
{
  argv++; argc--;
  while (argc) {
    if (strcmp(*argv, "profiler") == 0) {
      exit (main_profiler (argc, argv));
    } else
    if (strcmp(*argv, "mprofiler") == 0) {
      exit (main_mprofiler (argc, argv));
    } else
    if (*argv[0] != '-') {
      runtime.sim.filename = argv[0];
      argc--;
      argv++;
    } else
    if (strcmp(*argv, "-f") == 0 || strcmp(*argv, "--file") == 0) {
      argv++; argc--;
      if (argv[0]) {
        read_script_file(argv[0]);
        argv++; argc--;
      } else {
        fprintf(stderr, "Configure filename not specified!\n");
        return 1;
      }
    } else
    if (strcmp(*argv, "--nosrv") == 0) {  /* (CZ) */
      config.debug.gdb_enabled = 0;
      argv++; argc--;
    } else
    if (strcmp(*argv, "--srv") == 0) {  /* (CZ) */
      char *s;
      if(!--argc)
        return 1;
      config.debug.enabled = 1;
      config.debug.gdb_enabled = 1;
      config.debug.server_port = strtol(*(++argv),&s,10);
      if(*s)
        return 1;
      argv++; argc--;
    } else
    if (strcmp(*argv, "-i") == 0) {
      runtime.sim.iprompt = 1;
      argv++; argc--;
    } else
    if (strcmp(*argv, "-v") == 0) {
      version();
      exit(0);
    } else
    if (strcmp(*argv, "--enable-profile") == 0) {
      runtime.simcmd.profile = 1;
      argv++; argc--;
    } else
    if (strcmp(*argv, "--enable-mprofile") == 0) {
      runtime.simcmd.mprofile = 1;
      argv++; argc--;
    } else
    if (strcmp(*argv, "-d") == 0) {
      parse_dbchs(*(++argv));
      argv++; argc -= 2;
    } else {
      fprintf(stderr, "Unknown option: %s\n", *argv);
      return 1;
    }
  }
 
  if (!argc)
    return 0;
 
  return 0;
}
 
void print_config(void)
{
  if (config.sim.verbose) {
    char temp[20];
    PRINTF("Verbose on, ");
    if (config.sim.debug)
      PRINTF("simdebug on, ");
    else
      PRINTF("simdebug off, ");
    if (runtime.sim.iprompt)
      PRINTF("interactive prompt on\n");
    else
      PRINTF("interactive prompt off\n");
 
    PRINTF("Machine initialization...\n");
    generate_time_pretty (temp, config.sim.clkcycle_ps);
    PRINTF("Clock cycle: %s\n", temp);
    if (cpu_state.sprs[SPR_UPR] & SPR_UPR_DCP)
      PRINTF("Data cache present.\n");
    else
      PRINTF("No data cache.\n");
    if (cpu_state.sprs[SPR_UPR] & SPR_UPR_ICP)
      PRINTF("Insn cache tag present.\n");
    else
      PRINTF("No instruction cache.\n");
    if (config.bpb.enabled)
      PRINTF("BPB simulation on.\n");
    else
      PRINTF("BPB simulation off.\n");
    if (config.bpb.btic)
      PRINTF("BTIC simulation on.\n");
    else
      PRINTF("BTIC simulation off.\n");
  }
}
 
struct config_param {
  char *name;
  enum param_t type;
  void (*func)(union param_val, void *dat);
  struct config_param *next;
};
 
void base_include (union param_val val, void *dat) {
  read_script_file (val.str_val);
  cur_section = NULL;
}
 
/*----------------------------------------------[ Simulator configuration ]---*/
void sim_debug (union param_val val, void *dat) {
  config.sim.debug = val.int_val;
}
 
void sim_verbose (union param_val val, void *dat) {
  config.sim.verbose = val.int_val;
}
 
void sim_profile (union param_val val, void *dat) {
  config.sim.profile = val.int_val;
}
 
void sim_prof_fn (union param_val val, void *dat) {
  strcpy(config.sim.prof_fn, val.str_val);
}
 
void sim_mprofile (union param_val val, void *dat) {
  config.sim.mprofile = val.int_val;
}
 
void sim_mprof_fn (union param_val val, void *dat) {
  strcpy(config.sim.mprof_fn, val.str_val);
}
 
void sim_history (union param_val val, void *dat) {
  config.sim.history = val.int_val;
}
 
void sim_exe_log (union param_val val, void *dat) {
  config.sim.exe_log = val.int_val;
}
 
void sim_exe_log_type (union param_val val, void *dat) {
  if (strcmp (val.str_val, "default") == 0)
    config.sim.exe_log_type = EXE_LOG_HARDWARE;
  else if (strcmp (val.str_val, "hardware") == 0)
    config.sim.exe_log_type = EXE_LOG_HARDWARE;
  else if (strcmp (val.str_val, "simple") == 0)
    config.sim.exe_log_type = EXE_LOG_SIMPLE;
  else if (strcmp (val.str_val, "software") == 0) {
    config.sim.exe_log_type = EXE_LOG_SOFTWARE;
  } else {
    char tmp[200];
    sprintf (tmp, "invalid execution log type '%s'.\n", val.str_val);
    CONFIG_ERROR(tmp);
  }
}
 
void sim_exe_log_start (union param_val val, void *dat) {
  config.sim.exe_log_start = val.int_val;
}
 
void sim_exe_log_end (union param_val val, void *dat) {
  config.sim.exe_log_end = val.int_val;
}
 
void sim_exe_log_marker (union param_val val, void *dat) {
  config.sim.exe_log_marker = val.int_val;
}
 
void sim_exe_log_fn (union param_val val, void *dat) {
  strcpy(config.sim.exe_log_fn, val.str_val);
}
 
void sim_clkcycle (union param_val val, void *dat) {
  int len = strlen (val.str_val);
  int pos = len - 1;
  long time;
  if (len < 2) goto err;
  if (val.str_val[pos--] != 's') goto err;
  switch (val.str_val[pos--]) {
    case 'p': time = 1; break;
    case 'n': time = 1000; break;
    case 'u': time = 1000000; break;
    case 'm': time = 1000000000; break;
  default:
    goto err;
  }
  val.str_val[pos + 1] = 0;
  config.sim.clkcycle_ps = time * atol (val.str_val);
  return;
err:
  CONFIG_ERROR("invalid time format.");
}
 
void sim_stdout (union param_val val, void *dat) {
  strcpy(config.sim.fstdout, val.str_val);
}
 
void reg_sim_sec (void) {
  struct config_section *sec = reg_config_sec("sim", NULL, NULL);
 
  reg_config_param(sec, "debug", paramt_int, sim_debug);
  reg_config_param(sec, "verbose", paramt_int, sim_verbose);
  reg_config_param(sec, "profile", paramt_int, sim_profile);
  reg_config_param(sec, "prof_fn", paramt_str, sim_prof_fn);
  reg_config_param(sec, "mprofile", paramt_int, sim_mprofile);
  reg_config_param(sec, "mprof_fn", paramt_str, sim_mprof_fn);
  reg_config_param(sec, "history", paramt_int, sim_history);
  reg_config_param(sec, "exe_log", paramt_int, sim_exe_log);
  reg_config_param(sec, "exe_log_type", paramt_word, sim_exe_log_type);
  reg_config_param(sec, "exe_log_start", paramt_int, sim_exe_log_start);
  reg_config_param(sec, "exe_log_end", paramt_int, sim_exe_log_end);
  reg_config_param(sec, "exe_log_marker", paramt_int, sim_exe_log_marker);
  reg_config_param(sec, "exe_log_fn", paramt_str, sim_exe_log_fn);
  reg_config_param(sec, "clkcycle", paramt_word, sim_clkcycle);
  reg_config_param(sec, "stdout", paramt_str, sim_stdout);
}
 
/*----------------------------------------------------[ CPU configuration ]---*/
void cpu_ver (union param_val val, void *dat) {
  config.cpu.ver = val.int_val;
}
 
void cpu_rev (union param_val val, void *dat) {
  config.cpu.rev = val.int_val;
}
 
void cpu_upr (union param_val val, void *dat) {
  config.cpu.upr = val.int_val;
}
 
void cpu_sr (union param_val val, void *dat) {
  config.cpu.sr = val.int_val;
}
 
void cpu_hazards (union param_val val, void *dat) {
  config.cpu.hazards = val.int_val;
}
 
void cpu_superscalar (union param_val val, void *dat) {
  config.cpu.superscalar = val.int_val;
}
 
void cpu_dependstats (union param_val val, void *dat) {
  config.cpu.dependstats = val.int_val;
}
 
void cpu_sbuf_len (union param_val val, void *dat) {
  if (val.int_val >= MAX_SBUF_LEN) {
    config.cpu.sbuf_len = MAX_SBUF_LEN - 1;
    WARNING("sbuf_len too large; truncated.");
  } else if (val.int_val < 0) {
    config.cpu.sbuf_len = 0;
    WARNING("sbuf_len negative; disabled.");
  } else
    config.cpu.sbuf_len = val.int_val;
}
 
void reg_cpu_sec(void)
{
  struct config_section *sec = reg_config_sec("cpu", NULL, NULL);
 
  reg_config_param(sec, "ver", paramt_int, cpu_ver);
  reg_config_param(sec, "rev", paramt_int, cpu_rev);
  reg_config_param(sec, "upr", paramt_int, cpu_upr);
  reg_config_param(sec, "sr", paramt_int, cpu_sr);
  reg_config_param(sec, "hazards", paramt_int, cpu_hazards);
  reg_config_param(sec, "superscalar", paramt_int, cpu_superscalar);
  reg_config_param(sec, "dependstats", paramt_int, cpu_dependstats);
  reg_config_param(sec, "sbuf_len", paramt_int, cpu_sbuf_len);
}
 
int is_power2 (int x) {
  while (!(x & 1))
    x >>= 1;
  return x == 1;
}
 
int log2 (int x) {
  int log=-1;
  while (x)
  {
    x >>= 1;
    log++;
  }
  return log;
}
 
void reg_config_secs(void)
{
  reg_config_param(reg_config_sec("base", NULL, NULL), "include", paramt_str,
                   base_include);
 
  reg_sim_sec();
  reg_cpu_sec();
  reg_memory_sec();
  reg_mc_sec();
  reg_uart_sec();
  reg_dma_sec();
  reg_debug_sec();
  reg_vapi_sec();
  reg_ethernet_sec();
  reg_immu_sec();
  reg_dmmu_sec();
  reg_ic_sec();
  reg_dc_sec();
  reg_gpio_sec();
  reg_bpb_sec();
  reg_pm_sec();
  reg_vga_sec();
  reg_fb_sec();
  reg_kbd_sec();
  reg_ata_sec();
  reg_cuc_sec();
}
 
/* Returns a user friendly string of type */
static char *get_paramt_str(enum param_t type)
{
  switch(type) {
  case paramt_int:
    return "integer";
  case paramt_addr:
    return "address";
  case paramt_str:
    return "string";
  case paramt_word:
    return "word";
  case paramt_none:
    return "none";
  }
  return "";
}
 
void reg_config_param(struct config_section *sec, const char *param,
                      enum param_t type,
                      void (*param_cb)(union param_val, void *))
{
  struct config_param *new = malloc(sizeof(struct config_param));
 
  TRACE("Registering config param `%s' to section `%s', type %s\n", param,
        sec->name, get_paramt_str(type));
 
  if(!new) {
    fprintf(stderr, "Out-of-memory\n");
    exit(1);
  }
 
  if(!(new->name = strdup(param))) {
    fprintf(stderr, "Out-of-memory\n");
    exit(1);
  }
 
  new->func = param_cb;
  new->type = type;
 
  new->next = sec->params;
  sec->params = new;
}
 
struct config_section *reg_config_sec(const char *section,
                                      void *(*sec_start)(void),
                                      void (*sec_end)(void *))
{
  struct config_section *new = malloc(sizeof(struct config_section));
 
  TRACE("Registering config section `%s'\n", section);
 
  if(!new) {
    fprintf(stderr, "Out-of-memory\n");
    exit(1);
  }
 
  if(!(new->name = strdup(section))) {
    fprintf(stderr, "Out-of-memory\n");
    exit(1);
  }
 
  new->next = sections;
  new->sec_start = sec_start;
  new->sec_end = sec_end;
  new->params = NULL;
 
  sections = new;
 
  return new;
}
 
static void switch_param(char *param, struct config_param *cur_param)
{
  char *end_p;
  union param_val val;
 
    /* Skip over an = sign if it exists */
  if(*param == '=') {
    param++;
    while(*param && isspace(*param)) param++;
  }
 
  switch (cur_param->type) {
  case paramt_int:
    val.int_val = strtol(param, NULL, 0);
  case paramt_addr:
    val.addr_val = strtoul(param, NULL, 0);
    break;
  case paramt_str:
    if(*param != '"') {
      CONFIG_ERROR("String value expected\n");
      return;
    }
 
    param++;
    end_p = param;
    while(*end_p && (*end_p != '"')) end_p++;
    *end_p = '\0';
    val.str_val = param;
    break;
  case paramt_word:
    end_p = param;
    while(*end_p && !isspace(*end_p)) end_p++;
    *end_p = '\0';
    val.str_val = param;
    break;
  case paramt_none:
    break;
  }
 
  cur_param->func(val, cur_section->dat);
}
 
/* Read environment from a script file. Does not fail - assumes default configuration instead.
   The syntax of script file is:
   param = value
   section x
     data
     param = value
   end
 
   Example:
   section mc
     memory_table_file = sim.mem
     enable = 1
     POC = 0x47892344
   end
 
 */
 
void read_script_file (char *filename)
{
  FILE *f;
  char *home = getenv("HOME");
  char ctmp[STR_SIZE];
  int local = 1;
  cur_section = NULL;
 
  sprintf(ctmp, "%s/.or1k/%s", home, filename);
  if ((f = fopen (filename, "rt")) != NULL
      || home != NULL && !(local = 0) && (f = fopen (ctmp, "rt")) != NULL) {
    if (config.sim.verbose)
      PRINTF ("Reading script file from '%s'...\n", local ? filename : ctmp);
    strcpy (runtime.sim.script_fn, local ? filename : ctmp);
 
    while (!feof(f)) {
      char param[STR_SIZE];
      if (fscanf(f, "%s ", param) != 1) break;
      /* Is this a section? */
      if (strcmp (param, "section") == 0) {
        struct config_section *cur;
        cur_section = NULL;
        if (fscanf (f, "%s\n", param) != 1) {
          fprintf (stderr, "%s: ERROR: Section name required.\n", local ? filename : ctmp);
          exit (1);
        }
        TRACE("Came across section `%s'\n", param);
        for (cur = sections; cur; cur = cur->next)
          if (strcmp (cur->name, param) == 0) {
            cur_section = cur;
            break;
          }
        if (!cur) {
          fprintf (stderr, "WARNING: config: Unknown section: %s; ignoring.", param);
          /* just skip section */
          while (fscanf (f, "%s\n", param) != 1 && strcmp (param, "end"));
        } else {
          cur->dat = NULL;
          if (cur->sec_start)
            cur->dat = cur->sec_start();
        }
      } else if (strcmp (param, "end") == 0) {
        if(cur_section->sec_end)
          cur_section->sec_end(cur_section->dat);
        cur_section = NULL;
      } else if (strncmp (param, "/*", 2) == 0) {
        char c0 = 0, c1 = 0;
        while (c0 != '*' || c1 != '/') {
          c0 = c1;
          c1 = fgetc(f);
          if (feof(f)) {
            fprintf (stderr, "%s: ERROR: Comment reached EOF.\n", local ? filename : ctmp);
            exit (1);
          }
        }
      } else {
        struct config_param *cur_param;
        char *cur_p;
        TRACE("Came across parameter `%s' in section `%s'\n", param,
              cur_section->name);
        for (cur_param = cur_section->params; cur_param; cur_param = cur_param->next)
          if (strcmp (cur_param->name, param) == 0) {
            break;
          }
        if (!cur_param) {
          char tmp[200];
          sprintf (tmp, "Invalid parameter: %s; ignoring.\n", param);
          WARNING(tmp);
          while (fgetc(f) != '\n' || feof(f));
          continue;
        }
 
        if(cur_param->type == paramt_none)
          continue;
 
        /* Parse parameter value */
        cur_p = fgets (param, STR_SIZE, f);
 
        while(*cur_p && isspace(*cur_p)) cur_p++;
 
        switch_param(cur_p, cur_param);
      }
    }
    fclose (f);
    runtime.sim.script_file_specified = 1;
  } else
    if (config.sim.verbose)
      fprintf (stderr, "WARNING: Cannot read script file from '%s',\nneither '%s'.\n", filename, ctmp);
}
 
/* Utility for execution of set sim command.  */
static int set_config (int argc, char **argv)
{
  struct config_section *cur;
  struct config_param *cur_param;
 
  if (argc < 2) return 1;
 
  PRINTF ("sec:%s\n", argv[1]);
  cur_section = NULL;
  for (cur = sections; cur; cur = cur->next)
    if (strcmp (cur->name, argv[1]) == 0) {
      cur_section = cur;
      break;
    }
 
  if (!cur_section) return 1;
 
  if (argc < 3) return 2;
 
  PRINTF ("item:%s\n", argv[2]);
  {
    for (cur_param = cur->params; cur_param; cur_param = cur_param->next)
      if (strcmp (cur_param->name, argv[2]) == 0) {
        break;
      }
    if (!cur_param) return 2;
 
    /* Parse parameter value */
    if (cur_param->type) {
      if (argc < 4) return 3;
      PRINTF ("params:%s\n", argv[3]);
    }
 
    switch_param(argv[3], cur_param);
  }
  return 0;
}
 
/* Executes set sim command, displays error.  */
void set_config_command(int argc, char **argv)
{
  struct config_section *cur;
  struct config_param *cur_param;
 
  switch (set_config (argc, argv)) {
    case 1:
      PRINTF ("Invalid or missing section name.  One of valid sections must be specified:\n");
      for (cur = sections; cur; cur = cur->next)
        PRINTF ("%s ", cur->name);
      PRINTF ("\n");
      break;
    case 2:
      PRINTF ("Invalid or missing item name.  One of valid items must be specified:\n");
      for (cur_param = cur_section->params; cur_param; cur_param = cur_param->next)
        PRINTF ("%s ", cur_param->name);
      PRINTF ("\n");
      break;
    case 3:
      PRINTF ("Invalid parameters specified.\n");
      break;
  }
}
 

Line No.	Rev	Author	Line
1	1358	nogj	`/* sim-config.c -- Simulator configuration`
2	645	markom	`Copyright (C) 1999 Damjan Lampret, lampret@opencores.org`
3
4			`This file is part of OpenRISC 1000 Architectural Simulator.`
5
6			`This program is free software; you can redistribute it and/or modify`
7			`it under the terms of the GNU General Public License as published by`
8			`the Free Software Foundation; either version 2 of the License, or`
9			`(at your option) any later version.`
10
11			`This program is distributed in the hope that it will be useful,`
12			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
13			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
14			`GNU General Public License for more details.`
15
16			`You should have received a copy of the GNU General Public License`
17			`along with this program; if not, write to the Free Software`
18			`Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */`
19
20			`/* Simulator configuration. Eventually this one will be a lot bigger. */`
21
22			`#include <stdlib.h>`
23	805	markom	`#include <limits.h>`
24	1308	phoenix	`#include <string.h>`
25			`#include <ctype.h>`
26
27	1350	nogj	`#include "config.h"`
28
29			`#ifdef HAVE_INTTYPES_H`
30			`#include <inttypes.h>`
31			`#endif`
32
33			`#include "port.h"`
34			`#include "arch.h"`
35	645	markom	`#include "sim-config.h"`
36			`#include "abstract.h"`
37	1432	nogj	`#include "opcode/or32.h"`
38			`#include "spr_defs.h"`
39			`#include "execute.h"`
40	645	markom	`#include "sprs.h"`
41			`#include "pic.h"`
42			`#include "stats.h"`
43			`#include "icache_model.h"`
44			`#include "dcache_model.h"`
45
46			`#include "profiler.h"`
47			`#include "mprofiler.h"`
48	897	markom	`#include "cuc.h"`
49	645	markom
50	1358	nogj	`#include "debug.h"`
51
52	1459	nogj	`DEFAULT_DEBUG_CHANNEL(config);`
53
54	1358	nogj	`#define WARNING(s) fprintf (stderr, "WARNING: config.%s: %s\n", cur_section->name, (s))`
55	645	markom	`#define MERROR(s) {fprintf (stderr, "ERROR: %s\n", s); if (runtime.sim.init) exit (1);}`
56
57			`struct config config;`
58			`struct runtime runtime;`
59
60	1358	nogj	`struct config_section *cur_section;`
61	645	markom
62	1358	nogj	`struct config_section *sections = NULL;`
63
64	1550	nogj	`void init_defconfig(void)`
65	645	markom	`{`
66			`memset(&config, 0, sizeof(config));`
67			`/* Sim */`
68			`config.sim.exe_log = 0;`
69	672	markom	`config.sim.exe_log_type = EXE_LOG_HARDWARE;`
70			`config.sim.exe_log_start = 0;`
71			`config.sim.exe_log_end = 0;`
72			`config.sim.exe_log_marker = 0;`
73	645	markom	`strcpy (config.sim.exe_log_fn, "executed.log");`
74	1098	markom	`config.sim.profile = 0;`
75			`config.sim.mprofile = 0;`
76	645	markom
77			`config.sim.debug = 0;`
78			`config.sim.verbose = 1;`
79
80			`strcpy (config.sim.prof_fn, "sim.profile");`
81			`strcpy (config.sim.mprof_fn, "sim.mprofile");`
82	823	ivang	`strcpy (config.sim.fstdout, "stdout.txt");`
83	645	markom	`strcpy (runtime.sim.script_fn, "(default)");`
84			`config.sim.clkcycle_ps = 4000; /* 4000 for 4ns (250MHz) */`
85	805	markom	`if (config.sim.clkcycle_ps) config.sim.system_kfreq = (long)((1000000000.0 / (double)config.sim.clkcycle_ps));`
86			`else config.sim.system_kfreq = INT_MAX;`
87			`if (config.sim.system_kfreq <= 0) config.sim.system_kfreq = 1;`
88	645	markom
89			`/* IMMU & DMMU*/`
90			`config.immu.enabled = 0;`
91	856	markom	`config.immu.hitdelay = 1;`
92			`config.immu.missdelay = 1;`
93	645	markom	`config.dmmu.enabled = 0;`
94	856	markom	`config.dmmu.hitdelay = 1;`
95			`config.dmmu.missdelay = 1;`
96	645	markom
97			`/* IC & DC */`
98			`config.ic.enabled = 0;`
99	856	markom	`config.ic.hitdelay = 1;`
100			`config.ic.missdelay = 1;`
101	645	markom	`config.ic.nways = 0;`
102			`config.ic.nsets = 0;`
103			`config.ic.ustates = 0;`
104			`config.dc.enabled = 0;`
105	856	markom	`config.dc.load_hitdelay = 2;`
106			`config.dc.load_missdelay = 2;`
107	645	markom	`config.dc.nways = 0;`
108			`config.dc.nsets = 0;`
109			`config.dc.ustates = 0;`
110			`config.dc.store_hitdelay = 0;`
111			`config.dc.store_missdelay = 0;`
112	876	rherveille
113	645	markom	`/* CPU */`
114			`config.cpu.superscalar = 0;`
115			`config.sim.history = 0;`
116			`config.cpu.hazards = 0;`
117			`config.cpu.dependstats = 0;`
118			`config.cpu.sbuf_len = 0;`
119			`config.cpu.upr = SPR_UPR_UP \| SPR_UPR_DCP \| SPR_UPR_ICP \| SPR_UPR_DMP`
120			`\| SPR_UPR_IMP \| SPR_UPR_OB32P \| SPR_UPR_DUP \| SPR_UPR_PICP`
121			`\| SPR_UPR_PMP \| SPR_UPR_TTP;`
122	912	lampret	`config.cpu.sr = 0x00008001;`
123	645	markom
124			`/* Debug */`
125			`config.debug.enabled = 0;`
126			`config.debug.gdb_enabled = 0;`
127			`config.debug.server_port = 0;`
128
129			`/* VAPI */`
130			`config.vapi.enabled = 0;`
131			`strcpy (config.vapi.vapi_fn, "vapi.log");`
132
133			`/* PM */`
134			`config.pm.enabled = 0;`
135	897	markom
136			`/* CUC */`
137			`strcpy (config.cuc.timings_fn, "virtex.tim");`
138			`config.cuc.memory_order = MO_STRONG;`
139			`config.cuc.calling_convention = 1;`
140			`config.cuc.enable_bursts = 1;`
141			`config.cuc.no_multicycle = 1;`
142	970	simons
143	645	markom	`/* Configure runtime */`
144			`memset(&runtime, 0, sizeof(runtime));`
145
146			`/* Sim */`
147			`runtime.sim.fexe_log = NULL;`
148			`runtime.sim.iprompt = 0;`
149			`runtime.sim.fprof = NULL;`
150			`runtime.sim.fmprof = NULL;`
151			`runtime.sim.init = 1;`
152	998	markom	`runtime.sim.fout = stdout;`
153	645	markom	`runtime.sim.script_file_specified = 0;`
154	883	markom	`runtime.simcmd.profile = 0;`
155			`runtime.simcmd.mprofile = 0;`
156	645	markom
157			`/* VAPI */`
158			`runtime.vapi.vapi_file = NULL;`
159			`runtime.vapi.enabled = 0;`
160			`}`
161
162			`int parse_args(int argc, char *argv[])`
163			`{`
164			`argv++; argc--;`
165			`while (argc) {`
166	847	markom	`if (strcmp(*argv, "profiler") == 0) {`
167			`exit (main_profiler (argc, argv));`
168			`} else`
169			`if (strcmp(*argv, "mprofiler") == 0) {`
170			`exit (main_mprofiler (argc, argv));`
171			`} else`
172			`if (*argv[0] != '-') {`
173	645	markom	`runtime.sim.filename = argv[0];`
174			`argc--;`
175			`argv++;`
176			`} else`
177			`if (strcmp(argv, "-f") == 0 \|\| strcmp(argv, "--file") == 0) {`
178			`argv++; argc--;`
179			`if (argv[0]) {`
180			`read_script_file(argv[0]);`
181			`argv++; argc--;`
182			`} else {`
183			`fprintf(stderr, "Configure filename not specified!\n");`
184			`return 1;`
185			`}`
186			`} else`
187			`if (strcmp(argv, "--nosrv") == 0) { / (CZ) */`
188			`config.debug.gdb_enabled = 0;`
189			`argv++; argc--;`
190			`} else`
191			`if (strcmp(argv, "--srv") == 0) { / (CZ) */`
192			`char *s;`
193			`if(!--argc)`
194			`return 1;`
195			`config.debug.enabled = 1;`
196	1205	phoenix	`config.debug.gdb_enabled = 1;`
197	645	markom	`config.debug.server_port = strtol(*(++argv),&s,10);`
198			`if(*s)`
199			`return 1;`
200			`argv++; argc--;`
201			`} else`
202			`if (strcmp(*argv, "-i") == 0) {`
203			`runtime.sim.iprompt = 1;`
204			`argv++; argc--;`
205			`} else`
206			`if (strcmp(*argv, "-v") == 0) {`
207			`version();`
208			`exit(0);`
209			`} else`
210	883	markom	`if (strcmp(*argv, "--enable-profile") == 0) {`
211			`runtime.simcmd.profile = 1;`
212	645	markom	`argv++; argc--;`
213			`} else`
214	883	markom	`if (strcmp(*argv, "--enable-mprofile") == 0) {`
215			`runtime.simcmd.mprofile = 1;`
216	645	markom	`argv++; argc--;`
217			`} else`
218	1389	nogj	`if (strcmp(*argv, "-d") == 0) {`
219			`parse_dbchs(*(++argv));`
220			`argv++; argc -= 2;`
221	645	markom	`} else {`
222			`fprintf(stderr, "Unknown option: %s\n", *argv);`
223			`return 1;`
224			`}`
225			`}`
226
227			`if (!argc)`
228			`return 0;`
229
230			`return 0;`
231			`}`
232
233	1550	nogj	`void print_config(void)`
234	645	markom	`{`
235			`if (config.sim.verbose) {`
236			`char temp[20];`
237	997	markom	`PRINTF("Verbose on, ");`
238	645	markom	`if (config.sim.debug)`
239	997	markom	`PRINTF("simdebug on, ");`
240	645	markom	`else`
241	997	markom	`PRINTF("simdebug off, ");`
242	645	markom	`if (runtime.sim.iprompt)`
243	997	markom	`PRINTF("interactive prompt on\n");`
244	645	markom	`else`
245	997	markom	`PRINTF("interactive prompt off\n");`
246	645	markom
247	997	markom	`PRINTF("Machine initialization...\n");`
248	645	markom	`generate_time_pretty (temp, config.sim.clkcycle_ps);`
249	997	markom	`PRINTF("Clock cycle: %s\n", temp);`
250	1506	nogj	`if (cpu_state.sprs[SPR_UPR] & SPR_UPR_DCP)`
251	997	markom	`PRINTF("Data cache present.\n");`
252	645	markom	`else`
253	997	markom	`PRINTF("No data cache.\n");`
254	1506	nogj	`if (cpu_state.sprs[SPR_UPR] & SPR_UPR_ICP)`
255	997	markom	`PRINTF("Insn cache tag present.\n");`
256	645	markom	`else`
257	997	markom	`PRINTF("No instruction cache.\n");`
258	645	markom	`if (config.bpb.enabled)`
259	997	markom	`PRINTF("BPB simulation on.\n");`
260	645	markom	`else`
261	997	markom	`PRINTF("BPB simulation off.\n");`
262	645	markom	`if (config.bpb.btic)`
263	997	markom	`PRINTF("BTIC simulation on.\n");`
264	645	markom	`else`
265	997	markom	`PRINTF("BTIC simulation off.\n");`
266	645	markom	`}`
267			`}`
268
269	1358	nogj	`struct config_param {`
270			`char *name;`
271			`enum param_t type;`
272			`void (func)(union param_val, void dat);`
273			`struct config_param *next;`
274	645	markom	`};`
275
276	1358	nogj	`void base_include (union param_val val, void *dat) {`
277			`read_script_file (val.str_val);`
278			`cur_section = NULL;`
279			`}`
280	645	markom
281	1358	nogj	`/----------------------------------------------[ Simulator configuration ]---/`
282			`void sim_debug (union param_val val, void *dat) {`
283			`config.sim.debug = val.int_val;`
284			`}`
285	645	markom
286	1358	nogj	`void sim_verbose (union param_val val, void *dat) {`
287			`config.sim.verbose = val.int_val;`
288			`}`
289	645	markom
290	1358	nogj	`void sim_profile (union param_val val, void *dat) {`
291			`config.sim.profile = val.int_val;`
292			`}`
293	645	markom
294	1358	nogj	`void sim_prof_fn (union param_val val, void *dat) {`
295			`strcpy(config.sim.prof_fn, val.str_val);`
296			`}`
297	876	rherveille
298	1358	nogj	`void sim_mprofile (union param_val val, void *dat) {`
299			`config.sim.mprofile = val.int_val;`
300	645	markom	`}`
301
302	1358	nogj	`void sim_mprof_fn (union param_val val, void *dat) {`
303			`strcpy(config.sim.mprof_fn, val.str_val);`
304	645	markom	`}`
305
306	1358	nogj	`void sim_history (union param_val val, void *dat) {`
307			`config.sim.history = val.int_val;`
308	645	markom	`}`
309
310	1358	nogj	`void sim_exe_log (union param_val val, void *dat) {`
311			`config.sim.exe_log = val.int_val;`
312	645	markom	`}`
313
314	1358	nogj	`void sim_exe_log_type (union param_val val, void *dat) {`
315			`if (strcmp (val.str_val, "default") == 0)`
316	672	markom	`config.sim.exe_log_type = EXE_LOG_HARDWARE;`
317	1358	nogj	`else if (strcmp (val.str_val, "hardware") == 0)`
318	672	markom	`config.sim.exe_log_type = EXE_LOG_HARDWARE;`
319	1358	nogj	`else if (strcmp (val.str_val, "simple") == 0)`
320	675	markom	`config.sim.exe_log_type = EXE_LOG_SIMPLE;`
321	1358	nogj	`else if (strcmp (val.str_val, "software") == 0) {`
322	672	markom	`config.sim.exe_log_type = EXE_LOG_SOFTWARE;`
323			`} else {`
324			`char tmp[200];`
325	1549	nogj	`sprintf (tmp, "invalid execution log type '%s'.\n", val.str_val);`
326	1358	nogj	`CONFIG_ERROR(tmp);`
327	672	markom	`}`
328			`}`
329
330	1358	nogj	`void sim_exe_log_start (union param_val val, void *dat) {`
331			`config.sim.exe_log_start = val.int_val;`
332	645	markom	`}`
333
334	1358	nogj	`void sim_exe_log_end (union param_val val, void *dat) {`
335			`config.sim.exe_log_end = val.int_val;`
336	645	markom	`}`
337
338	1358	nogj	`void sim_exe_log_marker (union param_val val, void *dat) {`
339			`config.sim.exe_log_marker = val.int_val;`
340	645	markom	`}`
341
342	1358	nogj	`void sim_exe_log_fn (union param_val val, void *dat) {`
343			`strcpy(config.sim.exe_log_fn, val.str_val);`
344	645	markom	`}`
345
346	1358	nogj	`void sim_clkcycle (union param_val val, void *dat) {`
347			`int len = strlen (val.str_val);`
348			`int pos = len - 1;`
349			`long time;`
350			`if (len < 2) goto err;`
351			`if (val.str_val[pos--] != 's') goto err;`
352			`switch (val.str_val[pos--]) {`
353			`case 'p': time = 1; break;`
354			`case 'n': time = 1000; break;`
355			`case 'u': time = 1000000; break;`
356			`case 'm': time = 1000000000; break;`
357			`default:`
358			`goto err;`
359			`}`
360			`val.str_val[pos + 1] = 0;`
361			`config.sim.clkcycle_ps = time * atol (val.str_val);`
362			`return;`
363			`err:`
364			`CONFIG_ERROR("invalid time format.");`
365	645	markom	`}`
366
367	1358	nogj	`void sim_stdout (union param_val val, void *dat) {`
368			`strcpy(config.sim.fstdout, val.str_val);`
369	645	markom	`}`
370
371	1358	nogj	`void reg_sim_sec (void) {`
372			`struct config_section *sec = reg_config_sec("sim", NULL, NULL);`
373	645	markom
374	1358	nogj	`reg_config_param(sec, "debug", paramt_int, sim_debug);`
375			`reg_config_param(sec, "verbose", paramt_int, sim_verbose);`
376			`reg_config_param(sec, "profile", paramt_int, sim_profile);`
377			`reg_config_param(sec, "prof_fn", paramt_str, sim_prof_fn);`
378			`reg_config_param(sec, "mprofile", paramt_int, sim_mprofile);`
379			`reg_config_param(sec, "mprof_fn", paramt_str, sim_mprof_fn);`
380			`reg_config_param(sec, "history", paramt_int, sim_history);`
381			`reg_config_param(sec, "exe_log", paramt_int, sim_exe_log);`
382			`reg_config_param(sec, "exe_log_type", paramt_word, sim_exe_log_type);`
383			`reg_config_param(sec, "exe_log_start", paramt_int, sim_exe_log_start);`
384			`reg_config_param(sec, "exe_log_end", paramt_int, sim_exe_log_end);`
385			`reg_config_param(sec, "exe_log_marker", paramt_int, sim_exe_log_marker);`
386			`reg_config_param(sec, "exe_log_fn", paramt_str, sim_exe_log_fn);`
387			`reg_config_param(sec, "clkcycle", paramt_word, sim_clkcycle);`
388			`reg_config_param(sec, "stdout", paramt_str, sim_stdout);`
389	645	markom	`}`
390
391	1358	nogj	`/----------------------------------------------------[ CPU configuration ]---/`
392			`void cpu_ver (union param_val val, void *dat) {`
393			`config.cpu.ver = val.int_val;`
394	645	markom	`}`
395
396	1358	nogj	`void cpu_rev (union param_val val, void *dat) {`
397			`config.cpu.rev = val.int_val;`
398	645	markom	`}`
399
400	1358	nogj	`void cpu_upr (union param_val val, void *dat) {`
401			`config.cpu.upr = val.int_val;`
402	725	ivang	`}`
403
404	1358	nogj	`void cpu_sr (union param_val val, void *dat) {`
405			`config.cpu.sr = val.int_val;`
406	645	markom	`}`
407
408	1358	nogj	`void cpu_hazards (union param_val val, void *dat) {`
409			`config.cpu.hazards = val.int_val;`
410	645	markom	`}`
411
412	1358	nogj	`void cpu_superscalar (union param_val val, void *dat) {`
413			`config.cpu.superscalar = val.int_val;`
414	645	markom	`}`
415
416	1358	nogj	`void cpu_dependstats (union param_val val, void *dat) {`
417			`config.cpu.dependstats = val.int_val;`
418	645	markom	`}`
419
420	1358	nogj	`void cpu_sbuf_len (union param_val val, void *dat) {`
421			`if (val.int_val >= MAX_SBUF_LEN) {`
422			`config.cpu.sbuf_len = MAX_SBUF_LEN - 1;`
423			`WARNING("sbuf_len too large; truncated.");`
424			`} else if (val.int_val < 0) {`
425			`config.cpu.sbuf_len = 0;`
426			`WARNING("sbuf_len negative; disabled.");`
427			`} else`
428			`config.cpu.sbuf_len = val.int_val;`
429	723	ivang	`}`
430
431	1358	nogj	`void reg_cpu_sec(void)`
432			`{`
433			`struct config_section *sec = reg_config_sec("cpu", NULL, NULL);`
434	723	ivang
435	1358	nogj	`reg_config_param(sec, "ver", paramt_int, cpu_ver);`
436			`reg_config_param(sec, "rev", paramt_int, cpu_rev);`
437			`reg_config_param(sec, "upr", paramt_int, cpu_upr);`
438			`reg_config_param(sec, "sr", paramt_int, cpu_sr);`
439			`reg_config_param(sec, "hazards", paramt_int, cpu_hazards);`
440			`reg_config_param(sec, "superscalar", paramt_int, cpu_superscalar);`
441			`reg_config_param(sec, "dependstats", paramt_int, cpu_dependstats);`
442			`reg_config_param(sec, "sbuf_len", paramt_int, cpu_sbuf_len);`
443	645	markom	`}`
444
445			`int is_power2 (int x) {`
446			`while (!(x & 1))`
447			`x >>= 1;`
448			`return x == 1;`
449			`}`
450
451	1382	nogj	`int log2 (int x) {`
452			`int log=-1;`
453			`while (x)`
454			`{`
455			`x >>= 1;`
456			`log++;`
457			`}`
458			`return log;`
459			`}`
460
461	1358	nogj	`void reg_config_secs(void)`
462			`{`
463			`reg_config_param(reg_config_sec("base", NULL, NULL), "include", paramt_str,`
464			`base_include);`
465	645	markom
466	1358	nogj	`reg_sim_sec();`
467			`reg_cpu_sec();`
468			`reg_memory_sec();`
469			`reg_mc_sec();`
470			`reg_uart_sec();`
471			`reg_dma_sec();`
472			`reg_debug_sec();`
473			`reg_vapi_sec();`
474			`reg_ethernet_sec();`
475			`reg_immu_sec();`
476			`reg_dmmu_sec();`
477			`reg_ic_sec();`
478			`reg_dc_sec();`
479			`reg_gpio_sec();`
480			`reg_bpb_sec();`
481			`reg_pm_sec();`
482			`reg_vga_sec();`
483			`reg_fb_sec();`
484			`reg_kbd_sec();`
485			`reg_ata_sec();`
486			`reg_cuc_sec();`
487	645	markom	`}`
488
489	1459	nogj	`/* Returns a user friendly string of type */`
490			`static char *get_paramt_str(enum param_t type)`
491			`{`
492			`switch(type) {`
493			`case paramt_int:`
494			`return "integer";`
495			`case paramt_addr:`
496			`return "address";`
497			`case paramt_str:`
498			`return "string";`
499			`case paramt_word:`
500			`return "word";`

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[/] [or1k/] [tags/] [stable_0_2_0_rc1/] [or1ksim/] [sim-config.c] - Blame information for rev 1550