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/* Test-driver for the remote-virtual-component simulator framework
   for GDB, the GNU Debugger.
 
   Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
 
   This file is part of GDB.
 
   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 3 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, see <http://www.gnu.org/licenses/>.  */
 
/* Avoid any problems whatsoever building this program if we're not
   also building hardware support.  */
 
#if !WITH_HW
int
main (int argc, char *argv[])
{
  return 2;
}
#else
 
#ifdef HAVE_CONFIG_H
#include "cconfig.h"
#include "tconfig.h"
#endif
 
#include "getopt.h"
#include "libiberty.h"
 
#define _GNU_SOURCE
#include <stdio.h>
 
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#endif
#ifdef HAVE_STRING_H
#include <string.h>
#endif
 
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
 
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
 
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif
 
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
 
/* Not guarded in dv-sockser.c, so why here.  */
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/socket.h>
 
enum rv_command {
  RV_READ_CMD = 0,
  RV_WRITE_CMD = 1,
  RV_IRQ_CMD = 2,
  RV_MEM_RD_CMD = 3,
  RV_MEM_WR_CMD = 4,
  RV_MBOX_HANDLE_CMD = 5,
  RV_MBOX_PUT_CMD = 6,
  RV_WATCHDOG_CMD = 7
};
 
enum opts { OPT_PORT = 1, OPT_TIMEOUT, OPT_VERBOSE };
 
struct option longopts[] =
  {
    {"port", required_argument, NULL, OPT_PORT},
    {"timeout", required_argument, NULL, OPT_TIMEOUT},
    {"verbose", no_argument, NULL, OPT_VERBOSE},
    {NULL, 0, NULL, 0}
  };
 
int port = 10000;
time_t timeout = 30000;
char *progname = "(unknown)";
int verbose = 0;
 
/* Required forward-declarations.  */
static void handle_input_file (int, char *);
 
/* Set up a "server" listening to the port in PORT for a raw TCP
   connection.  Return a file descriptor for the connection or -1 on
   error.  */
 
int setupsocket (void)
{
  int s;
  socklen_t len;
  int reuse = 1;
  struct sockaddr_in sa_in;
  struct sockaddr_in from;
 
  len = sizeof (from);
  memset (&from, 0, len);
  memset (&sa_in, 0, sizeof (sa_in));
 
  s = socket (AF_INET, SOCK_STREAM, 0);
  if (s < 0)
    return -1;
 
  if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof reuse) != 0)
    return -1;
 
  sa_in.sin_port = htons (port);
  sa_in.sin_family = AF_INET;
 
  if (bind (s, (struct sockaddr *) & sa_in, sizeof sa_in) < 0)
    return -1;
 
  if (listen (s, 1) < 0)
    return -1;
 
  return accept (s, (struct sockaddr *) &from, &len);
}
 
/* Basic host-to-little-endian 32-bit value.  Could use the BFD
   machinery, but let's avoid it for this only dependency.  */
 
static void
h2le32 (unsigned char *dest, unsigned int val)
{
  dest[0] = val & 255;
  dest[1] = (val >> 8) & 255;
  dest[2] = (val >> 16) & 255;
  dest[3] = (val >> 24) & 255;
}
 
/* Send a blob of data.  */
 
static void
send_output (int fd, unsigned char *buf, int nbytes)
{
  while (nbytes > 0)
    {
      ssize_t written = write (fd, buf, nbytes);
      if (written < 0)
        {
          fprintf (stderr, "%s: write to socket failed: %s\n",
                  progname, strerror (errno));
          exit (2);
        }
      nbytes -= written;
    }
}
 
/* Receive a blob of data, NBYTES large.  Compare to the first NCOMP
   bytes of BUF; if not a match, write error message to stderr and
   exit (2).  Else put it in buf.  */
 
static void
expect_input (int fd, unsigned char *buf, int nbytes, int ncomp)
{
  unsigned char byt;
  int i;
 
  for (i = 0; i < nbytes; i++)
    {
      int r;
 
      do
        {
          errno = 0;
          r = read (fd, &byt, 1);
        }
      while (r <= 0 && (r == 0 || errno == EAGAIN));
 
      if (r != 1)
        {
          fprintf (stderr, "%s: read from socket failed: %s",
                  progname, strerror (errno));
          exit (2);
        }
 
      if (i < ncomp && byt != buf[i])
        {
          int j;
          fprintf (stderr, "%s: unexpected input,\n ", progname);
          if (i == 0)
            fprintf (stderr, "nothing,");
          else
            for (j = 0; j < i; j++)
              fprintf (stderr, "%02x", buf[j]);
          fprintf (stderr, "\nthen %02x instead of %02x\n", byt, buf[i]);
          exit (2);
        }
      else
        buf[i] = byt;
    }
}
 
/* Handle everything about a nil-terminated line of input.
   Call exit (2) on error with error text on stderr.  */
 
static void
handle_input (int fd, char *buf, char *fname, int lineno)
{
  int nbytes = 0;
  int n = -1;
  char *s = buf + 2;
  unsigned int data;
  static unsigned char bytes[1024];
  int i;
 
  memset (bytes, 0, sizeof bytes);
  lineno++;
 
  if (buf[1] != ',')
    goto syntax_error;
 
  switch (buf[0])
    {
      /* Comment characters and empty lines.  */
    case 0: case '!': case '#':
      break;
 
      /* Include another file.  */
    case '@':
      handle_input_file (fd, s);
      break;
 
      /* Raw input (to be expected).  */
    case 'i':
      do
        {
          n = -1;
          sscanf (s, "%02x%n", &data, &n);
          s += n;
          if (n > 0)
            bytes[nbytes++] = data;
        }
      while (n > 0);
      expect_input (fd, bytes, nbytes, nbytes);
      if (verbose)
        {
          printf ("i,");
          for (i = 0; i < nbytes; i++)
            printf ("%02x", bytes[i]);
          printf ("\n");
        }
      break;
 
      /* Raw output (to be written).  */
    case 'o':
      do
        {
          n = -1;
          sscanf (s, "%02x%n", &data, &n);
          if (n > 0)
            {
              s += n;
              bytes[nbytes++] = data;
            }
        }
      while (n > 0);
      if (*s != 0)
        goto syntax_error;
      send_output (fd, bytes, nbytes);
      if (verbose)
        {
          printf ("o,");
          for (i = 0; i < nbytes; i++)
            printf ("%02x", bytes[i]);
          printf ("\n");
        }
      break;
 
      /* Read a register.  */
    case 'r':
      {
        unsigned int addr;
        sscanf (s, "%x,%x%n", &addr, &data, &n);
        if (n < 0 || s[n] != 0)
          goto syntax_error;
        bytes[0] = 11;
        bytes[1] = 0;
        bytes[2] = RV_READ_CMD;
        h2le32 (bytes + 3, addr);
        expect_input (fd, bytes, 11, 7);
        h2le32 (bytes + 7, data);
        send_output (fd, bytes, 11);
        if (verbose)
          printf ("r,%x,%x\n", addr, data);
      }
      break;
 
      /* Write a register.  */
    case 'w':
      {
        unsigned int addr;
        sscanf (s, "%x,%x%n", &addr, &data, &n);
        if (n < 0 || s[n] != 0)
          goto syntax_error;
        bytes[0] = 11;
        bytes[1] = 0;
        bytes[2] = RV_WRITE_CMD;
        h2le32 (bytes + 3, addr);
        h2le32 (bytes + 7, data);
        expect_input (fd, bytes, 11, 11);
        send_output (fd, bytes, 11);
        if (verbose)
          printf ("w,%x,%x\n", addr, data);
      }
      break;
 
      /* Wait for some milliseconds.  */
    case 't':
      {
        int del = 0;
        struct timeval to;
        sscanf (s, "%d%n", &del, &n);
        if (n < 0 || s[n] != 0 || del == 0)
          goto syntax_error;
 
        to.tv_sec = del / 1000;
        to.tv_usec = (del % 1000) * 1000;
 
        if (select (0, NULL, NULL, NULL, &to) != 0)
          {
            fprintf (stderr, "%s: problem waiting for %d ms:\n %s\n",
                     progname, del, strerror (errno));
            exit (2);
          }
        if (verbose)
          printf ("t,%d\n", del);
      }
      break;
 
      /* Expect a watchdog command.  */
    case 'W':
      if (*s != 0)
        goto syntax_error;
      bytes[0] = 3;
      bytes[1] = 0;
      bytes[2] = RV_WATCHDOG_CMD;
      expect_input (fd, bytes, 3, 3);
      if (verbose)
        printf ("W\n");
      break;
 
      /* Send an IRQ notification.  */
    case 'I':
      sscanf (s, "%x%n", &data, &n);
      if (n < 0 || s[n] != 0)
        goto syntax_error;
      bytes[0] = 7;
      bytes[1] = 0;
      bytes[2] = RV_IRQ_CMD;
      h2le32 (bytes + 3, data);
      send_output (fd, bytes, 7);
      if (verbose)
        printf ("I,%x\n", data);
      break;
 
      /* DMA store (to CPU).  */
    case 's':
      {
        unsigned int addr;
        sscanf (s, "%x,%n", &addr, &n);
 
        if (n < 0 || s[n] == 0)
          goto syntax_error;
        s += n;
        do
          {
            n = -1;
            sscanf (s, "%02x%n", &data, &n);
            if (n > 0)
              {
                s += n;
                bytes[11 + nbytes++] = data;
              }
          }
        while (n > 0);
 
        if (*s != 0)
          goto syntax_error;
        h2le32 (bytes, nbytes + 11);
        bytes[2] = RV_MEM_WR_CMD;
        h2le32 (bytes + 3, addr);
        h2le32 (bytes + 7, nbytes);
        send_output (fd, bytes, nbytes + 11);
        if (verbose)
          {
            printf ("s,%x,", addr);
            for (i = 0; i < nbytes; i++)
              printf ("%02x", bytes[i]);
            printf ("\n");
          }
      }
      break;
 
      /* DMA load (from CPU).  */
    case 'l':
      {
        unsigned int addr;
        sscanf (s, "%x,%n", &addr, &n);
 
        if (n < 0 || s[n] == 0)
          goto syntax_error;
        s += n;
        do
          {
            n = -1;
            sscanf (s, "%02x%n", &data, &n);
            if (n > 0)
              {
                s += n;
                bytes[11 + nbytes++] = data;
              }
          }
        while (n > 0);
 
        if (*s != 0)
          goto syntax_error;
        h2le32 (bytes, nbytes + 11);
        bytes[0] = 11;
        bytes[1] = 0;
        bytes[2] = RV_MEM_RD_CMD;
        h2le32 (bytes + 3, addr);
        h2le32 (bytes + 7, nbytes);
        send_output (fd, bytes, 11);
        bytes[0] = (nbytes + 11) & 255;
        bytes[1] = ((nbytes + 11) >> 8) & 255;
        expect_input (fd, bytes, nbytes + 11, nbytes + 11);
        if (verbose)
          {
            printf ("l,%x,", addr);
            for (i = 0; i < nbytes; i++)
              printf ("%02x", bytes[i]);
            printf ("\n");
          }
      }
      break;
 
    syntax_error:
    default:
      fprintf (stderr, "%s: invalid command line in %s:%d:\n %s",
               progname, fname, lineno, strerror (errno));
      exit (2);
    }
}
 
/* Loop over the contents of FNAME, using handle_input to parse each line.
   Errors to stderr, exit (2).  */
 
static void
handle_input_file (int fd, char *fname)
{
  static char buf[2048] = {0};
  int lineno = 0;
  FILE *f = fopen (fname, "r");
 
  if (f == NULL)
    {
      fprintf (stderr, "%s: problem opening %s: %s\n",
               progname, fname, strerror (errno));
      exit (2);
    }
 
  /* Let's cut the buffer short, so we always get a newline.  */
  while (fgets (buf, sizeof (buf) - 1, f) != NULL)
    {
      buf[strlen (buf) - 1] = 0;
      lineno++;
      handle_input (fd, buf, fname, lineno);
    }
 
  fclose (f);
}
 
int
main (int argc, char *argv[])
{
  int optc;
  int fd;
  FILE *f;
  int i;
 
  progname = argv[0];
  while ((optc = getopt_long (argc, argv, "", longopts, NULL)) != -1)
    switch (optc)
      {
      case OPT_PORT:
        port = atoi (optarg);
        break;
 
      case OPT_TIMEOUT:
        timeout = (time_t) atoi (optarg);
        break;
 
      case OPT_VERBOSE:
        verbose = 1;
        break;
      }
 
  fd = setupsocket ();
  if (fd < 0)
    {
      fprintf (stderr, "%s: problem setting up the connection: %s\n",
               progname, strerror (errno));
      exit (2);
    }
 
  for (i = optind; i < argc; i++)
    handle_input_file (fd, argv[i]);
 
  /* FIXME: option-controlled test for remaining input?  */
  close (fd);
  return 1;
}
#endif

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[/] [openrisc/] [trunk/] [gnu-old/] [gdb-6.8/] [sim/] [cris/] [rvdummy.c] - Blame information for rev 856

Line No.	Rev	Author	Line
1	24	jeremybenn	`/* Test-driver for the remote-virtual-component simulator framework`
2			`for GDB, the GNU Debugger.`
3
4			`Copyright 2006, 2007, 2008 Free Software Foundation, Inc.`
5
6			`This file is part of GDB.`
7
8			`This program is free software; you can redistribute it and/or modify`
9			`it under the terms of the GNU General Public License as published by`
10			`the Free Software Foundation; either version 3 of the License, or`
11			`(at your option) any later version.`
12
13			`This program is distributed in the hope that it will be useful,`
14			`but WITHOUT ANY WARRANTY; without even the implied warranty of`
15			`MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the`
16			`GNU General Public License for more details.`
17
18			`You should have received a copy of the GNU General Public License`
19			`along with this program. If not, see <http://www.gnu.org/licenses/>. */`
20
21			`/* Avoid any problems whatsoever building this program if we're not`
22			`also building hardware support. */`
23
24			`#if !WITH_HW`
25			`int`
26			`main (int argc, char *argv[])`
27			`{`
28			`return 2;`
29			`}`
30			`#else`
31
32			`#ifdef HAVE_CONFIG_H`
33			`#include "cconfig.h"`
34			`#include "tconfig.h"`
35			`#endif`
36
37			`#include "getopt.h"`
38			`#include "libiberty.h"`
39
40			`#define _GNU_SOURCE`
41			`#include <stdio.h>`
42
43			`#ifdef HAVE_UNISTD_H`
44			`#include <unistd.h>`
45			`#endif`
46			`#ifdef HAVE_STDLIB_H`
47			`#include <stdlib.h>`
48			`#endif`
49			`#ifdef HAVE_STRING_H`
50			`#include <string.h>`
51			`#endif`
52
53			`#ifdef HAVE_SYS_TYPES_H`
54			`#include <sys/types.h>`
55			`#endif`
56
57			`#ifdef HAVE_SYS_TIME_H`
58			`#include <sys/time.h>`
59			`#endif`
60
61			`#ifdef HAVE_SYS_SELECT_H`
62			`#include <sys/select.h>`
63			`#endif`
64
65			`#ifdef HAVE_ERRNO_H`
66			`#include <errno.h>`
67			`#endif`
68
69			`/* Not guarded in dv-sockser.c, so why here. */`
70			`#include <netinet/in.h>`
71			`#include <arpa/inet.h>`
72			`#include <netdb.h>`
73			`#include <sys/socket.h>`
74
75			`enum rv_command {`
76			`RV_READ_CMD = 0,`
77			`RV_WRITE_CMD = 1,`
78			`RV_IRQ_CMD = 2,`
79			`RV_MEM_RD_CMD = 3,`
80			`RV_MEM_WR_CMD = 4,`
81			`RV_MBOX_HANDLE_CMD = 5,`
82			`RV_MBOX_PUT_CMD = 6,`
83			`RV_WATCHDOG_CMD = 7`
84			`};`
85
86			`enum opts { OPT_PORT = 1, OPT_TIMEOUT, OPT_VERBOSE };`
87
88			`struct option longopts[] =`
89			`{`
90			`{"port", required_argument, NULL, OPT_PORT},`
91			`{"timeout", required_argument, NULL, OPT_TIMEOUT},`
92			`{"verbose", no_argument, NULL, OPT_VERBOSE},`
93			`{NULL, 0, NULL, 0}`
94			`};`
95
96			`int port = 10000;`
97			`time_t timeout = 30000;`
98			`char *progname = "(unknown)";`
99			`int verbose = 0;`
100
101			`/* Required forward-declarations. */`
102			`static void handle_input_file (int, char *);`
103
104			`/* Set up a "server" listening to the port in PORT for a raw TCP`
105			`connection. Return a file descriptor for the connection or -1 on`
106			`error. */`
107
108			`int setupsocket (void)`
109			`{`
110			`int s;`
111			`socklen_t len;`
112			`int reuse = 1;`
113			`struct sockaddr_in sa_in;`
114			`struct sockaddr_in from;`
115
116			`len = sizeof (from);`
117			`memset (&from, 0, len);`
118			`memset (&sa_in, 0, sizeof (sa_in));`
119
120			`s = socket (AF_INET, SOCK_STREAM, 0);`
121			`if (s < 0)`
122			`return -1;`
123
124			`if (setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &reuse, sizeof reuse) != 0)`
125			`return -1;`
126
127			`sa_in.sin_port = htons (port);`
128			`sa_in.sin_family = AF_INET;`
129
130			`if (bind (s, (struct sockaddr *) & sa_in, sizeof sa_in) < 0)`
131			`return -1;`
132
133			`if (listen (s, 1) < 0)`
134			`return -1;`
135
136			`return accept (s, (struct sockaddr *) &from, &len);`
137			`}`
138
139			`/* Basic host-to-little-endian 32-bit value. Could use the BFD`
140			`machinery, but let's avoid it for this only dependency. */`
141
142			`static void`
143			`h2le32 (unsigned char *dest, unsigned int val)`
144			`{`
145			`dest[0] = val & 255;`
146			`dest[1] = (val >> 8) & 255;`
147			`dest[2] = (val >> 16) & 255;`
148			`dest[3] = (val >> 24) & 255;`
149			`}`
150
151			`/* Send a blob of data. */`
152
153			`static void`
154			`send_output (int fd, unsigned char *buf, int nbytes)`
155			`{`
156			`while (nbytes > 0)`
157			`{`
158			`ssize_t written = write (fd, buf, nbytes);`
159			`if (written < 0)`
160			`{`
161			`fprintf (stderr, "%s: write to socket failed: %s\n",`
162			`progname, strerror (errno));`
163			`exit (2);`
164			`}`
165			`nbytes -= written;`
166			`}`
167			`}`
168
169			`/* Receive a blob of data, NBYTES large. Compare to the first NCOMP`
170			`bytes of BUF; if not a match, write error message to stderr and`
171			`exit (2). Else put it in buf. */`
172
173			`static void`
174			`expect_input (int fd, unsigned char *buf, int nbytes, int ncomp)`
175			`{`
176			`unsigned char byt;`
177			`int i;`
178
179			`for (i = 0; i < nbytes; i++)`
180			`{`
181			`int r;`
182
183			`do`
184			`{`
185			`errno = 0;`
186			`r = read (fd, &byt, 1);`
187			`}`
188			`while (r <= 0 && (r == 0 \|\| errno == EAGAIN));`
189
190			`if (r != 1)`
191			`{`
192			`fprintf (stderr, "%s: read from socket failed: %s",`
193			`progname, strerror (errno));`
194			`exit (2);`
195			`}`
196
197			`if (i < ncomp && byt != buf[i])`
198			`{`
199			`int j;`
200			`fprintf (stderr, "%s: unexpected input,\n ", progname);`
201			`if (i == 0)`
202			`fprintf (stderr, "nothing,");`
203			`else`
204			`for (j = 0; j < i; j++)`
205			`fprintf (stderr, "%02x", buf[j]);`
206			`fprintf (stderr, "\nthen %02x instead of %02x\n", byt, buf[i]);`
207			`exit (2);`
208			`}`
209			`else`
210			`buf[i] = byt;`
211			`}`
212			`}`
213
214			`/* Handle everything about a nil-terminated line of input.`
215			`Call exit (2) on error with error text on stderr. */`
216
217			`static void`
218			`handle_input (int fd, char buf, char fname, int lineno)`
219			`{`
220			`int nbytes = 0;`
221			`int n = -1;`
222			`char *s = buf + 2;`
223			`unsigned int data;`
224			`static unsigned char bytes[1024];`
225			`int i;`
226
227			`memset (bytes, 0, sizeof bytes);`
228			`lineno++;`
229
230			`if (buf[1] != ',')`
231			`goto syntax_error;`
232
233			`switch (buf[0])`
234			`{`
235			`/* Comment characters and empty lines. */`
236			`case 0: case '!': case '#':`
237			`break;`
238
239			`/* Include another file. */`
240			`case '@':`
241			`handle_input_file (fd, s);`
242			`break;`
243
244			`/* Raw input (to be expected). */`
245			`case 'i':`
246			`do`
247			`{`
248			`n = -1;`
249			`sscanf (s, "%02x%n", &data, &n);`
250			`s += n;`
251			`if (n > 0)`
252			`bytes[nbytes++] = data;`
253			`}`
254			`while (n > 0);`
255			`expect_input (fd, bytes, nbytes, nbytes);`
256			`if (verbose)`
257			`{`
258			`printf ("i,");`
259			`for (i = 0; i < nbytes; i++)`
260			`printf ("%02x", bytes[i]);`
261			`printf ("\n");`
262			`}`
263			`break;`
264
265			`/* Raw output (to be written). */`
266			`case 'o':`
267			`do`
268			`{`
269			`n = -1;`
270			`sscanf (s, "%02x%n", &data, &n);`
271			`if (n > 0)`
272			`{`
273			`s += n;`
274			`bytes[nbytes++] = data;`
275			`}`
276			`}`
277			`while (n > 0);`
278			`if (*s != 0)`
279			`goto syntax_error;`
280			`send_output (fd, bytes, nbytes);`
281			`if (verbose)`
282			`{`
283			`printf ("o,");`
284			`for (i = 0; i < nbytes; i++)`
285			`printf ("%02x", bytes[i]);`
286			`printf ("\n");`
287			`}`
288			`break;`
289
290			`/* Read a register. */`
291			`case 'r':`
292			`{`
293			`unsigned int addr;`
294			`sscanf (s, "%x,%x%n", &addr, &data, &n);`
295			`if (n < 0 \|\| s[n] != 0)`
296			`goto syntax_error;`
297			`bytes[0] = 11;`
298			`bytes[1] = 0;`
299			`bytes[2] = RV_READ_CMD;`
300			`h2le32 (bytes + 3, addr);`
301			`expect_input (fd, bytes, 11, 7);`
302			`h2le32 (bytes + 7, data);`
303			`send_output (fd, bytes, 11);`
304			`if (verbose)`
305			`printf ("r,%x,%x\n", addr, data);`
306			`}`
307			`break;`
308
309			`/* Write a register. */`
310			`case 'w':`
311			`{`
312			`unsigned int addr;`
313			`sscanf (s, "%x,%x%n", &addr, &data, &n);`
314			`if (n < 0 \|\| s[n] != 0)`
315			`goto syntax_error;`
316			`bytes[0] = 11;`
317			`bytes[1] = 0;`
318			`bytes[2] = RV_WRITE_CMD;`
319			`h2le32 (bytes + 3, addr);`
320			`h2le32 (bytes + 7, data);`
321			`expect_input (fd, bytes, 11, 11);`
322			`send_output (fd, bytes, 11);`
323			`if (verbose)`
324			`printf ("w,%x,%x\n", addr, data);`
325			`}`
326			`break;`
327
328			`/* Wait for some milliseconds. */`
329			`case 't':`
330			`{`
331			`int del = 0;`
332			`struct timeval to;`
333			`sscanf (s, "%d%n", &del, &n);`
334			`if (n < 0 \|\| s[n] != 0 \|\| del == 0)`
335			`goto syntax_error;`
336
337			`to.tv_sec = del / 1000;`
338			`to.tv_usec = (del % 1000) * 1000;`
339
340			`if (select (0, NULL, NULL, NULL, &to) != 0)`
341			`{`
342			`fprintf (stderr, "%s: problem waiting for %d ms:\n %s\n",`
343			`progname, del, strerror (errno));`
344			`exit (2);`
345			`}`
346			`if (verbose)`
347			`printf ("t,%d\n", del);`
348			`}`
349			`break;`
350
351			`/* Expect a watchdog command. */`
352			`case 'W':`
353			`if (*s != 0)`
354			`goto syntax_error;`
355			`bytes[0] = 3;`
356			`bytes[1] = 0;`
357			`bytes[2] = RV_WATCHDOG_CMD;`
358			`expect_input (fd, bytes, 3, 3);`
359			`if (verbose)`
360			`printf ("W\n");`
361			`break;`
362
363			`/* Send an IRQ notification. */`
364			`case 'I':`
365			`sscanf (s, "%x%n", &data, &n);`
366			`if (n < 0 \|\| s[n] != 0)`
367			`goto syntax_error;`
368			`bytes[0] = 7;`
369			`bytes[1] = 0;`
370			`bytes[2] = RV_IRQ_CMD;`
371			`h2le32 (bytes + 3, data);`
372			`send_output (fd, bytes, 7);`
373			`if (verbose)`
374			`printf ("I,%x\n", data);`
375			`break;`
376
377			`/* DMA store (to CPU). */`
378			`case 's':`
379			`{`
380			`unsigned int addr;`
381			`sscanf (s, "%x,%n", &addr, &n);`
382
383			`if (n < 0 \|\| s[n] == 0)`
384			`goto syntax_error;`
385			`s += n;`
386			`do`
387			`{`
388			`n = -1;`
389			`sscanf (s, "%02x%n", &data, &n);`
390			`if (n > 0)`
391			`{`
392			`s += n;`
393			`bytes[11 + nbytes++] = data;`
394			`}`
395			`}`
396			`while (n > 0);`
397
398			`if (*s != 0)`
399			`goto syntax_error;`
400			`h2le32 (bytes, nbytes + 11);`
401			`bytes[2] = RV_MEM_WR_CMD;`
402			`h2le32 (bytes + 3, addr);`
403			`h2le32 (bytes + 7, nbytes);`
404			`send_output (fd, bytes, nbytes + 11);`
405			`if (verbose)`
406			`{`
407			`printf ("s,%x,", addr);`
408			`for (i = 0; i < nbytes; i++)`
409			`printf ("%02x", bytes[i]);`
410			`printf ("\n");`
411			`}`
412			`}`
413			`break;`
414
415			`/* DMA load (from CPU). */`
416			`case 'l':`
417			`{`
418			`unsigned int addr;`
419			`sscanf (s, "%x,%n", &addr, &n);`
420
421			`if (n < 0 \|\| s[n] == 0)`
422			`goto syntax_error;`
423			`s += n;`
424			`do`
425			`{`
426			`n = -1;`
427			`sscanf (s, "%02x%n", &data, &n);`
428			`if (n > 0)`
429			`{`
430			`s += n;`
431			`bytes[11 + nbytes++] = data;`
432			`}`
433			`}`
434			`while (n > 0);`
435
436			`if (*s != 0)`
437			`goto syntax_error;`
438			`h2le32 (bytes, nbytes + 11);`
439			`bytes[0] = 11;`
440			`bytes[1] = 0;`
441			`bytes[2] = RV_MEM_RD_CMD;`
442			`h2le32 (bytes + 3, addr);`
443			`h2le32 (bytes + 7, nbytes);`
444			`send_output (fd, bytes, 11);`
445			`bytes[0] = (nbytes + 11) & 255;`
446			`bytes[1] = ((nbytes + 11) >> 8) & 255;`
447			`expect_input (fd, bytes, nbytes + 11, nbytes + 11);`
448			`if (verbose)`
449			`{`
450			`printf ("l,%x,", addr);`
451			`for (i = 0; i < nbytes; i++)`
452			`printf ("%02x", bytes[i]);`
453			`printf ("\n");`
454			`}`
455			`}`
456			`break;`
457
458			`syntax_error:`
459			`default:`
460			`fprintf (stderr, "%s: invalid command line in %s:%d:\n %s",`
461			`progname, fname, lineno, strerror (errno));`
462			`exit (2);`
463			`}`
464			`}`
465
466			`/* Loop over the contents of FNAME, using handle_input to parse each line.`
467			`Errors to stderr, exit (2). */`
468
469			`static void`
470			`handle_input_file (int fd, char *fname)`
471			`{`
472			`static char buf[2048] = {0};`
473			`int lineno = 0;`
474			`FILE *f = fopen (fname, "r");`
475
476			`if (f == NULL)`
477			`{`
478			`fprintf (stderr, "%s: problem opening %s: %s\n",`
479			`progname, fname, strerror (errno));`
480			`exit (2);`
481			`}`
482
483			`/* Let's cut the buffer short, so we always get a newline. */`
484			`while (fgets (buf, sizeof (buf) - 1, f) != NULL)`
485			`{`
486			`buf[strlen (buf) - 1] = 0;`
487			`lineno++;`
488			`handle_input (fd, buf, fname, lineno);`
489			`}`
490
491			`fclose (f);`
492			`}`
493
494			`int`
495			`main (int argc, char *argv[])`
496			`{`
497			`int optc;`
498			`int fd;`
499			`FILE *f;`
500			`int i;`
501
502			`progname = argv[0];`
503			`while ((optc = getopt_long (argc, argv, "", longopts, NULL)) != -1)`
504			`switch (optc)`
505			`{`
506			`case OPT_PORT:`
507			`port = atoi (optarg);`
508			`break;`
509
510			`case OPT_TIMEOUT:`
511			`timeout = (time_t) atoi (optarg);`
512			`break;`
513
514			`case OPT_VERBOSE:`
515			`verbose = 1;`
516			`break;`
517			`}`
518
519			`fd = setupsocket ();`
520			`if (fd < 0)`
521			`{`
522			`fprintf (stderr, "%s: problem setting up the connection: %s\n",`
523			`progname, strerror (errno));`
524			`exit (2);`
525			`}`
526
527			`for (i = optind; i < argc; i++)`
528			`handle_input_file (fd, argv[i]);`
529
530			`/* FIXME: option-controlled test for remaining input? */`
531			`close (fd);`
532			`return 1;`
533			`}`
534			`#endif`