src/pld/pld.c

   1 /***************************************************************************
   2  *   Copyright (C) 2006 by Dominic Rath                                    *
   3  *   Dominic.Rath@gmx.de                                                   *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #endif
  23
  24 #include "pld.h"
  25 #include "log.h"
  26 #include "time_support.h"
  27
  28
  29 /* pld drivers
  30  */
  31 extern pld_driver_t virtex2_pld;
  32
  33 static pld_driver_t *pld_drivers[] =
  34 {
  35         &virtex2_pld,
  36         NULL,
  37 };
  38
  39 static pld_device_t *pld_devices;
  40 static command_t *pld_cmd;
  41
  42 pld_device_t *get_pld_device_by_num(int num)
  43 {
  44         pld_device_t *p;
  45         int i = 0;
  46
  47         for (p = pld_devices; p; p = p->next)
  48         {
  49                 if (i++ == num)
  50                 {
  51                         return p;
  52                 }
  53         }
  54
  55         return NULL;
  56 }
  57
  58 /* pld device <driver> [driver_options ...]
  59  */
  60 COMMAND_HANDLER(handle_pld_device_command)
  61 {
  62         int i;
  63         int found = 0;
  64
  65         if (argc < 1)
  66         {
  67                 LOG_WARNING("incomplete 'pld device' command");
  68                 return ERROR_OK;
  69         }
  70
  71         for (i = 0; pld_drivers[i]; i++)
  72         {
  73                 if (strcmp(args[0], pld_drivers[i]->name) == 0)
  74                 {
  75                         pld_device_t *p, *c;
  76
  77                         /* register pld specific commands */
  78                         if (pld_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
  79                         {
  80                                 LOG_ERROR("couldn't register '%s' commands", args[0]);
  81                                 exit(-1);
  82                         }
  83
  84                         c = malloc(sizeof(pld_device_t));
  85                         c->driver = pld_drivers[i];
  86                         c->next = NULL;
  87
  88                         if (pld_drivers[i]->pld_device_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
  89                         {
  90                                 LOG_ERROR("'%s' driver rejected pld device", args[0]);
  91                                 free(c);
  92                                 return ERROR_OK;
  93                         }
  94
  95                         /* put pld device in linked list */
  96                         if (pld_devices)
  97                         {
  98                                 /* find last pld device */
  99                                 for (p = pld_devices; p && p->next; p = p->next);
 100                                 if (p)
 101                                         p->next = c;
 102                         }
 103                         else
 104                         {
 105                                 pld_devices = c;
 106                         }
 107
 108                         found = 1;
 109                 }
 110         }
 111
 112         /* no matching pld driver found */
 113         if (!found)
 114         {
 115                 LOG_ERROR("pld driver '%s' not found", args[0]);
 116                 exit(-1);
 117         }
 118
 119         return ERROR_OK;
 120 }
 121
 122 COMMAND_HANDLER(handle_pld_devices_command)
 123 {
 124         pld_device_t *p;
 125         int i = 0;
 126
 127         if (!pld_devices)
 128         {
 129                 command_print(cmd_ctx, "no pld devices configured");
 130                 return ERROR_OK;
 131         }
 132
 133         for (p = pld_devices; p; p = p->next)
 134         {
 135                 command_print(cmd_ctx, "#%i: %s", i++, p->driver->name);
 136         }
 137
 138         return ERROR_OK;
 139 }
 140
 141 COMMAND_HANDLER(handle_pld_load_command)
 142 {
 143         int retval;
 144         struct timeval start, end, duration;
 145         pld_device_t *p;
 146
 147         gettimeofday(&start, NULL);
 148
 149         if (argc < 2)
 150         {
 151                 command_print(cmd_ctx, "usage: pld load <device#> <file>");
 152                 return ERROR_OK;
 153         }
 154
 155         unsigned dev_id;
 156         COMMAND_PARSE_NUMBER(uint, args[0], dev_id);
 157         p = get_pld_device_by_num(dev_id);
 158         if (!p)
 159         {
 160                 command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);
 161                 return ERROR_OK;
 162         }
 163
 164         if ((retval = p->driver->load(p, args[1])) != ERROR_OK)
 165         {
 166                 command_print(cmd_ctx, "failed loading file %s to pld device %u",
 167                         args[1], dev_id);
 168                 switch (retval)
 169                 {
 170                 }
 171                 return retval;
 172         }
 173         else
 174         {
 175                 gettimeofday(&end, NULL);
 176                 timeval_subtract(&duration, &end, &start);
 177
 178                 command_print(cmd_ctx, "loaded file %s to pld device %u in %jis %jius",
 179                         args[1], dev_id,
 180                         (intmax_t)duration.tv_sec, (intmax_t)duration.tv_usec);
 181         }
 182
 183         return ERROR_OK;
 184 }
 185
 186 int pld_init(struct command_context_s *cmd_ctx)
 187 {
 188         if (!pld_devices)
 189                 return ERROR_OK;
 190
 191         register_command(cmd_ctx, pld_cmd, "devices",
 192                         handle_pld_devices_command, COMMAND_EXEC,
 193                         "list configured pld devices");
 194         register_command(cmd_ctx, pld_cmd, "load",
 195                         handle_pld_load_command, COMMAND_EXEC,
 196                         "load configuration <file> into programmable logic device");
 197
 198         return ERROR_OK;
 199 }
 200
 201 int pld_register_commands(struct command_context_s *cmd_ctx)
 202 {
 203         pld_cmd = register_command(cmd_ctx, NULL, "pld", NULL, COMMAND_ANY, "programmable logic device commands");
 204
 205         register_command(cmd_ctx, pld_cmd, "device", handle_pld_device_command, COMMAND_CONFIG, NULL);
 206
 207         return ERROR_OK;
 208 }