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 struct pld_driver virtex2_pld;
  32
  33 static struct pld_driver *pld_drivers[] =
  34 {
  35         &virtex2_pld,
  36         NULL,
  37 };
  38
  39 static struct pld_device *pld_devices;
  40 static struct command *pld_cmd;
  41
  42 struct pld_device *get_pld_device_by_num(int num)
  43 {
  44         struct pld_device *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 (CMD_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(CMD_ARGV[0], pld_drivers[i]->name) == 0)
  74                 {
  75                         struct pld_device *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", CMD_ARGV[0]);
  81                                 exit(-1);
  82                         }
  83
  84                         c = malloc(sizeof(struct pld_device));
  85                         c->driver = pld_drivers[i];
  86                         c->next = NULL;
  87
  88                         int retval = CALL_COMMAND_HANDLER(pld_drivers[i]->pld_device_command, c);
  89                         if (ERROR_OK != retval)
  90                         {
  91                                 LOG_ERROR("'%s' driver rejected pld device", CMD_ARGV[0]);
  92                                 free(c);
  93                                 return ERROR_OK;
  94                         }
  95
  96                         /* put pld device in linked list */
  97                         if (pld_devices)
  98                         {
  99                                 /* find last pld device */
 100                                 for (p = pld_devices; p && p->next; p = p->next);
 101                                 if (p)
 102                                         p->next = c;
 103                         }
 104                         else
 105                         {
 106                                 pld_devices = c;
 107                         }
 108
 109                         found = 1;
 110                 }
 111         }
 112
 113         /* no matching pld driver found */
 114         if (!found)
 115         {
 116                 LOG_ERROR("pld driver '%s' not found", CMD_ARGV[0]);
 117                 exit(-1);
 118         }
 119
 120         return ERROR_OK;
 121 }
 122
 123 COMMAND_HANDLER(handle_pld_devices_command)
 124 {
 125         struct pld_device *p;
 126         int i = 0;
 127
 128         if (!pld_devices)
 129         {
 130                 command_print(CMD_CTX, "no pld devices configured");
 131                 return ERROR_OK;
 132         }
 133
 134         for (p = pld_devices; p; p = p->next)
 135         {
 136                 command_print(CMD_CTX, "#%i: %s", i++, p->driver->name);
 137         }
 138
 139         return ERROR_OK;
 140 }
 141
 142 COMMAND_HANDLER(handle_pld_load_command)
 143 {
 144         int retval;
 145         struct timeval start, end, duration;
 146         struct pld_device *p;
 147
 148         gettimeofday(&start, NULL);
 149
 150         if (CMD_ARGC < 2)
 151         {
 152                 command_print(CMD_CTX, "usage: pld load <device#> <file>");
 153                 return ERROR_OK;
 154         }
 155
 156         unsigned dev_id;
 157         COMMAND_PARSE_NUMBER(uint, CMD_ARGV[0], dev_id);
 158         p = get_pld_device_by_num(dev_id);
 159         if (!p)
 160         {
 161                 command_print(CMD_CTX, "pld device '#%s' is out of bounds", CMD_ARGV[0]);
 162                 return ERROR_OK;
 163         }
 164
 165         if ((retval = p->driver->load(p, CMD_ARGV[1])) != ERROR_OK)
 166         {
 167                 command_print(CMD_CTX, "failed loading file %s to pld device %u",
 168                         CMD_ARGV[1], dev_id);
 169                 switch (retval)
 170                 {
 171                 }
 172                 return retval;
 173         }
 174         else
 175         {
 176                 gettimeofday(&end, NULL);
 177                 timeval_subtract(&duration, &end, &start);
 178
 179                 command_print(CMD_CTX, "loaded file %s to pld device %u in %jis %jius",
 180                         CMD_ARGV[1], dev_id,
 181                         (intmax_t)duration.tv_sec, (intmax_t)duration.tv_usec);
 182         }
 183
 184         return ERROR_OK;
 185 }
 186
 187 int pld_init(struct command_context *cmd_ctx)
 188 {
 189         if (!pld_devices)
 190                 return ERROR_OK;
 191
 192         register_command(cmd_ctx, pld_cmd, "devices",
 193                         handle_pld_devices_command, COMMAND_EXEC,
 194                         "list configured pld devices");
 195         register_command(cmd_ctx, pld_cmd, "load",
 196                         handle_pld_load_command, COMMAND_EXEC,
 197                         "load configuration <file> into programmable logic device");
 198
 199         return ERROR_OK;
 200 }
 201
 202 int pld_register_commands(struct command_context *cmd_ctx)
 203 {
 204         pld_cmd = register_command(cmd_ctx, NULL, "pld", NULL, COMMAND_ANY, "programmable logic device commands");
 205
 206         register_command(cmd_ctx, pld_cmd, "device", handle_pld_device_command, COMMAND_CONFIG, NULL);
 207
 208         return ERROR_OK;
 209 }