api_examples/demo.c

   1 /*
   2  * (C) Copyright 2007 Semihalf
   3  *
   4  * Written by: Rafal Jaworowski <raj@semihalf.com>
   5  *
   6  * See file CREDITS for list of people who contributed to this
   7  * project.
   8  *
   9  * This program is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU General Public License as
  11  * published by the Free Software Foundation; either version 2 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  22  * MA 02111-1307 USA
  23  *
  24  */
  25
  26 #include <common.h>
  27 #include <linux/types.h>
  28 #include <api_public.h>
  29
  30 #include "glue.h"
  31
  32 #define errf(fmt, args...) do { printf("ERROR @ %s(): ", __func__); printf(fmt, ##args); } while (0)
  33
  34 void    test_dump_si(struct sys_info *);
  35 void    test_dump_di(int);
  36 void    test_dump_sig(struct api_signature *);
  37
  38 char buf[2048];
  39
  40 #define WAIT_SECS 5
  41
  42 int main(int argc, char *argv[])
  43 {
  44         int rv = 0;
  45         int h, i, j;
  46         int devs_no;
  47         struct api_signature *sig = NULL;
  48         ulong start, now;
  49         struct device_info *di;
  50
  51         if (!api_search_sig(&sig))
  52                 return -1;
  53
  54         syscall_ptr = sig->syscall;
  55         if (syscall_ptr == NULL)
  56                 return -2;
  57
  58         if (sig->version > API_SIG_VERSION)
  59                 return -3;
  60
  61         printf("API signature found @%x\n", sig);
  62         test_dump_sig(sig);
  63
  64         printf("\n*** Consumer API test ***\n");
  65         printf("syscall ptr 0x%08x@%08x\n", syscall_ptr, &syscall_ptr);
  66
  67         /* console activities */
  68         ub_putc('B');
  69
  70         printf("*** Press any key to continue ***\n");
  71         printf("got char 0x%x\n", ub_getc());
  72
  73         /* system info */
  74         test_dump_si(ub_get_sys_info());
  75
  76         /* timing */
  77         printf("\n*** Timing - wait a couple of secs ***\n");
  78         start = ub_get_timer(0);
  79         printf("\ntime: start %lu\n\n", start);
  80         for (i = 0; i < WAIT_SECS; i++)
  81                 for (j = 0; j < 1000; j++)
  82                         ub_udelay(1000);        /* wait 1 ms */
  83
  84         /* this is the number of milliseconds that passed from ub_get_timer(0) */
  85         now = ub_get_timer(start);
  86         printf("\ntime: now %lu\n\n", now);
  87
  88         /* enumerate devices */
  89         printf("\n*** Enumerate devices ***\n");
  90         devs_no = ub_dev_enum();
  91
  92         printf("Number of devices found: %d\n", devs_no);
  93         if (devs_no == 0)
  94                 return -1;
  95
  96
  97         printf("\n*** Show devices ***\n");
  98         for (i = 0; i < devs_no; i++) {
  99                 test_dump_di(i);
 100                 printf("\n");
 101         }
 102
 103         printf("\n*** Operations on devices ***\n");
 104
 105         /* test opening a device already opened */
 106         h = 0;
 107         if ((rv = ub_dev_open(h)) != 0) {
 108                 errf("open device %d error %d\n", h, rv);
 109                 return -1;
 110         }
 111         if ((rv = ub_dev_open(h)) != 0)
 112                 errf("open device %d error %d\n", h, rv);
 113
 114         ub_dev_close(h);
 115
 116         /* test storage */
 117         printf("Trying storage devices...\n");
 118         for (i = 0; i < devs_no; i++) {
 119                 di = ub_dev_get(i);
 120
 121                 if (di->type & DEV_TYP_STOR)
 122                         break;
 123
 124         }
 125         if (i == devs_no)
 126                 printf("No storage devices available\n");
 127         else {
 128                 if ((rv = ub_dev_open(i)) != 0)
 129                         errf("open device %d error %d\n", i, rv);
 130                 else if ((rv = ub_dev_read(i, &buf, 200, 20)) != 0)
 131                         errf("could not read from device %d, error %d\n", i, rv);
 132
 133                 ub_dev_close(i);
 134         }
 135
 136         /* test networking */
 137         printf("Trying network devices...\n");
 138         for (i = 0; i < devs_no; i++) {
 139                 di = ub_dev_get(i);
 140
 141                 if (di->type == DEV_TYP_NET)
 142                         break;
 143
 144         }
 145         if (i == devs_no)
 146                 printf("No network devices available\n");
 147         else {
 148                 if ((rv = ub_dev_open(i)) != 0)
 149                         errf("open device %d error %d\n", i, rv);
 150                 else if ((rv = ub_dev_send(i, &buf, 2048)) != 0)
 151                         errf("could not send to device %d, error %d\n", i, rv);
 152
 153                 ub_dev_close(i);
 154         }
 155
 156         if (ub_dev_close(h) != 0)
 157                 errf("could not close device %d\n", h);
 158
 159         printf("\n*** Env vars ***\n");
 160
 161         printf("ethact = %s\n", ub_env_get("ethact"));
 162         printf("old fileaddr = %s\n", ub_env_get("fileaddr"));
 163         ub_env_set("fileaddr", "deadbeef");
 164         printf("new fileaddr = %s\n", ub_env_get("fileaddr"));
 165
 166         const char *env = NULL;
 167
 168         while ((env = ub_env_enum(env)) != NULL)
 169                 printf("%s = %s\n", env, ub_env_get(env));
 170
 171         /* reset */
 172         ub_reset();
 173         printf("\nHmm, reset returned...?!\n");
 174
 175         return rv;
 176 }
 177
 178 void test_dump_sig(struct api_signature *sig)
 179 {
 180         printf("signature:\n");
 181         printf("  version\t= %d\n", sig->version);
 182         printf("  checksum\t= 0x%08x\n", sig->checksum);
 183         printf("  sc entry\t= 0x%08x\n", sig->syscall);
 184 }
 185
 186 void test_dump_si(struct sys_info *si)
 187 {
 188         int i;
 189
 190         printf("sys info:\n");
 191         printf("  clkbus\t= 0x%08x\n", si->clk_bus);
 192         printf("  clkcpu\t= 0x%08x\n", si->clk_cpu);
 193         printf("  bar\t\t= 0x%08x\n", si->bar);
 194
 195         printf("---\n");
 196         for (i = 0; i < si->mr_no; i++) {
 197                 if (si->mr[i].flags == 0)
 198                         break;
 199
 200                 printf("  start\t= 0x%08lx\n", si->mr[i].start);
 201                 printf("  size\t= 0x%08lx\n", si->mr[i].size);
 202
 203                 switch(si->mr[i].flags & 0x000F) {
 204                         case MR_ATTR_FLASH:
 205                                 printf("  type FLASH\n");
 206                                 break;
 207                         case MR_ATTR_DRAM:
 208                                 printf("  type DRAM\n");
 209                                 break;
 210                         case MR_ATTR_SRAM:
 211                                 printf("  type SRAM\n");
 212                                 break;
 213                         default:
 214                                 printf("  type UNKNOWN\n");
 215                 }
 216                 printf("---\n");
 217         }
 218 }
 219
 220 static char * test_stor_typ(int type)
 221 {
 222         if (type & DT_STOR_IDE)
 223                 return "IDE";
 224
 225         if (type & DT_STOR_SCSI)
 226                 return "SCSI";
 227
 228         if (type & DT_STOR_USB)
 229                 return "USB";
 230
 231         if (type & DT_STOR_MMC);
 232                 return "MMC";
 233
 234         return "Unknown";
 235 }
 236
 237 void test_dump_di(int handle)
 238 {
 239         int i;
 240         struct device_info *di = ub_dev_get(handle);
 241
 242         printf("device info (%d):\n", handle);
 243         printf("  cookie\t= 0x%08x\n", (uint32_t)di->cookie);
 244         printf("  type\t\t= 0x%08x\n", di->type);
 245
 246         if (di->type == DEV_TYP_NET) {
 247                 printf("  hwaddr\t= ");
 248                 for (i = 0; i < 6; i++)
 249                         printf("%02x ", di->di_net.hwaddr[i]);
 250
 251                 printf("\n");
 252
 253         } else if (di->type & DEV_TYP_STOR) {
 254                 printf("  type\t\t= %s\n", test_stor_typ(di->type));
 255                 printf("  blk size\t\t= %d\n", di->di_stor.block_size);
 256                 printf("  blk count\t\t= %d\n", di->di_stor.block_count);
 257         }
 258 }