+++ /dev/null
-/* Remote serial interface for Macraigor Systems implementation of
- On-Chip Debugging using serial target box or serial wiggler
-
- Copyright 1994, 1997, 1998, 1999, 2000, 2001
- 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 2 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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
-
-#include "defs.h"
-#include "serial.h"
-
-#ifdef _WIN32
-#include <windows.h>
-#endif
-
-#ifdef _WIN32
-/* On Windows, this function pointer is initialized to a function in
- the wiggler DLL. */
-static int (*dll_do_command) (const char *, char *);
-#endif
-
-static int
-ocd_open (serial_t scb, const char *name)
-{
-#ifdef _WIN32
- /* Find the wiggler DLL which talks to the board. */
- if (dll_do_command == NULL)
- {
- HINSTANCE handle;
-
- /* FIXME: Should the user be able to configure this? */
- handle = LoadLibrary ("Wigglers.dll");
- if (handle == NULL)
- error ("Can't load Wigglers.dll");
-
- dll_do_command = ((int (*) (const char *, char *))
- GetProcAddress (handle, "do_command"));
- if (dll_do_command == NULL)
- error ("Can't find do_command function in Wigglers.dll");
- }
-#else
- /* No wiggler DLLs on Unix yet, fail. */
- error ("Wiggler library not available for this type of host.");
-#endif /* _WIN32 */
- return 0;
-}
-
-static int
-ocd_noop (serial_t scb)
-{
- return 0;
-}
-
-static void
-ocd_raw (serial_t scb)
-{
- /* Always in raw mode */
-}
-
-/* We need a buffer to store responses from the Wigglers.dll */
-#define WIGGLER_BUFF_SIZE 512
-unsigned char from_wiggler_buffer[WIGGLER_BUFF_SIZE];
-unsigned char *wiggler_buffer_ptr; /* curr spot in buffer */
-
-static int
-ocd_readchar (serial_t scb, int timeout)
-{
- /* Catch attempts at reading past the end of the buffer */
- if (wiggler_buffer_ptr >
- (from_wiggler_buffer + (sizeof (char *) * WIGGLER_BUFF_SIZE)))
- error ("ocd_readchar asked to read past the end of the buffer!");
-
- return (int) *wiggler_buffer_ptr++; /* return curr char and increment ptr */
-}
-
-struct ocd_ttystate
-{
- int dummy;
-};
-
-/* ocd_{get set}_tty_state() are both dummys to fill out the function
- vector. Someday, they may do something real... */
-
-static serial_ttystate
-ocd_get_tty_state (serial_t scb)
-{
- struct ocd_ttystate *state;
-
- state = (struct ocd_ttystate *) xmalloc (sizeof *state);
-
- return (serial_ttystate) state;
-}
-
-static int
-ocd_set_tty_state (serial_t scb, serial_ttystate ttystate)
-{
- return 0;
-}
-
-static int
-ocd_noflush_set_tty_state (serial_t scb, serial_ttystate new_ttystate,
- serial_ttystate old_ttystate)
-{
- return 0;
-}
-
-static void
-ocd_print_tty_state (serial_t scb,
- serial_ttystate ttystate,
- struct ui_file *stream)
-{
- /* Nothing to print. */
- return;
-}
-
-static int
-ocd_setbaudrate (serial_t scb, int rate)
-{
- return 0;
-}
-
-static int
-ocd_setstopbits (serial_t scb, int rate)
-{
- return 0;
-}
-
-static int
-ocd_write (serial_t scb, const char *str, int len)
-{
-#ifdef _WIN32
- /* send packet to Wigglers.dll and store response so we can give it to
- remote-wiggler.c when get_packet is run */
- dll_do_command (str, from_wiggler_buffer);
- wiggler_buffer_ptr = from_wiggler_buffer;
-#endif
-
- return 0;
-}
-
-static void
-ocd_close (serial_t scb)
-{
-}
-
-static struct serial_ops ocd_ops =
-{
- "ocd",
- 0,
- ocd_open,
- ocd_close,
- ocd_readchar,
- ocd_write,
- ocd_noop, /* flush output */
- ocd_noop, /* flush input */
- ocd_noop, /* send break -- currently used only for nindy */
- ocd_raw,
- ocd_get_tty_state,
- ocd_set_tty_state,
- ocd_print_tty_state,
- ocd_noflush_set_tty_state,
- ocd_setbaudrate,
- ocd_setstopbits,
- ocd_noop, /* wait for output to drain */
-};
-
-void
-_initialize_ser_ocd_bdm (void)
-{
- serial_add_interface (&ocd_ops);
-}
projects / binutils-gdb.git / commitdiff