David Brownell <david-b@pacbell.net>: This patch adds annotations to
[fw/openocd] / 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 pld_driver_t *pld_drivers[] =
34 {
35         &virtex2_pld,
36         NULL,
37 };
38
39 pld_device_t *pld_devices;
40 static command_t *pld_cmd;
41
42 int handle_pld_devices_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
43 int handle_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
44 int handle_pld_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
45
46 int pld_init(struct command_context_s *cmd_ctx)
47 {
48         if (pld_devices)
49         {
50                 register_command(cmd_ctx, pld_cmd, "devices", handle_pld_devices_command, COMMAND_EXEC,
51                                                 "list configured pld devices");
52                 register_command(cmd_ctx, pld_cmd, "load", handle_pld_load_command, COMMAND_EXEC,
53                                                 "load configuration <file> into programmable logic device");
54         }
55         
56         return ERROR_OK;
57 }
58
59 pld_device_t *get_pld_device_by_num(int num)
60 {
61         pld_device_t *p;
62         int i = 0;
63
64         for (p = pld_devices; p; p = p->next)
65         {
66                 if (i++ == num)
67                 {
68                         return p;
69                 }
70         }
71         
72         return NULL;
73 }
74
75 /* pld device <driver> [driver_options ...]
76  */
77 int handle_pld_device_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
78 {
79         int i;
80         int found = 0;
81                 
82         if (argc < 1)
83         {
84                 LOG_WARNING("incomplete 'pld bank' configuration");
85                 return ERROR_OK;
86         }
87         
88         for (i = 0; pld_drivers[i]; i++)
89         {
90                 if (strcmp(args[0], pld_drivers[i]->name) == 0)
91                 {
92                         pld_device_t *p, *c;
93                         
94                         /* register pld specific commands */
95                         if (pld_drivers[i]->register_commands(cmd_ctx) != ERROR_OK)
96                         {
97                                 LOG_ERROR("couldn't register '%s' commands", args[0]);
98                                 exit(-1);
99                         }
100                         
101                         c = malloc(sizeof(pld_device_t));
102                         c->driver = pld_drivers[i];
103                         c->next = NULL;
104                         
105                         if (pld_drivers[i]->pld_device_command(cmd_ctx, cmd, args, argc, c) != ERROR_OK)
106                         {
107                                 LOG_ERROR("'%s' driver rejected pld device", args[0]);
108                                 free(c);
109                                 return ERROR_OK;
110                         }
111                         
112                         /* put pld device in linked list */
113                         if (pld_devices)
114                         {
115                                 /* find last pld device */
116                                 for (p = pld_devices; p && p->next; p = p->next);
117                                 if (p)
118                                         p->next = c;
119                         }
120                         else
121                         {
122                                 pld_devices = c;
123                         }
124                         
125                         found = 1;
126                 }
127         }
128                 
129         /* no matching pld driver found */
130         if (!found)
131         {
132                 LOG_ERROR("pld driver '%s' not found", args[0]);
133                 exit(-1);
134         }
135         
136         return ERROR_OK;
137 }
138
139 int handle_pld_devices_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
140 {
141         pld_device_t *p;
142         int i = 0;
143         
144         if (!pld_devices)
145         {
146                 command_print(cmd_ctx, "no pld devices configured");
147                 return ERROR_OK;
148         }
149         
150         for (p = pld_devices; p; p = p->next)
151         {
152                 command_print(cmd_ctx, "#%i: %s", i++, p->driver->name);
153         }
154         
155         return ERROR_OK;
156 }
157
158 int handle_pld_load_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc)
159 {
160         int retval;
161         struct timeval start, end, duration;
162         pld_device_t *p;
163         
164         gettimeofday(&start, NULL);
165                 
166         if (argc < 2)
167         {
168                 command_print(cmd_ctx, "usage: pld load <device#> <file>");
169                 return ERROR_OK;
170         }
171         
172         p = get_pld_device_by_num(strtoul(args[0], NULL, 0));
173         if (!p)
174         {
175                 command_print(cmd_ctx, "pld device '#%s' is out of bounds", args[0]);
176                 return ERROR_OK;
177         }
178         
179         if ((retval = p->driver->load(p, args[1])) != ERROR_OK)
180         {
181                 command_print(cmd_ctx, "failed loading file %s to pld device %lu",
182                         args[1], strtoul(args[0], NULL, 0));
183                 switch (retval)
184                 {
185                 }
186         }
187         else
188         {
189                 gettimeofday(&end, NULL);       
190                 timeval_subtract(&duration, &end, &start);
191
192                 command_print(cmd_ctx, "loaded file %s to pld device %lu in %lis %lius",
193                         args[1], strtoul(args[0], NULL, 0),
194                         duration.tv_sec, duration.tv_usec);
195         }
196         
197         return ERROR_OK;
198 }
199
200 int pld_register_commands(struct command_context_s *cmd_ctx)
201 {
202         pld_cmd = register_command(cmd_ctx, NULL, "pld", NULL, COMMAND_ANY, "programmable logic device commands");
203         
204         register_command(cmd_ctx, pld_cmd, "device", handle_pld_device_command, COMMAND_CONFIG, NULL);
205         
206         return ERROR_OK;
207 }