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gnu / binutils-gdb / b9377c8588f2610ee04109b0368d8d7b95a8b930 / . / gdb / ser-mac.c
blob: e507cf96da13570c93af48cb501f1d112507ccf3 [file] [log] [blame]
/* OBSOLETE /* Remote serial interface for local (hardwired) serial ports for Macintosh. */
/* OBSOLETE Copyright 1994, 1995, 1996, 1998, 2000 Free Software Foundation, Inc. */
/* OBSOLETE Contributed by Cygnus Support. Written by Stan Shebs. */
/* OBSOLETE */
/* OBSOLETE This file is part of GDB. */
/* OBSOLETE */
/* OBSOLETE This program is free software; you can redistribute it and/or modify */
/* OBSOLETE it under the terms of the GNU General Public License as published by */
/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
/* OBSOLETE (at your option) any later version. */
/* OBSOLETE */
/* OBSOLETE This program is distributed in the hope that it will be useful, */
/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
/* OBSOLETE GNU General Public License for more details. */
/* OBSOLETE */
/* OBSOLETE You should have received a copy of the GNU General Public License */
/* OBSOLETE along with this program; if not, write to the Free Software */
/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
/* OBSOLETE Boston, MA 02111-1307, USA. */ */
/* OBSOLETE */
/* OBSOLETE #include "defs.h" */
/* OBSOLETE #include "serial.h" */
/* OBSOLETE */
/* OBSOLETE #include <Types.h> */
/* OBSOLETE #include <Devices.h> */
/* OBSOLETE /* This is the regular Mac Serial.h, but copied to a different name */
/* OBSOLETE so as not to get confused with the GDB serial.h above. */ */
/* OBSOLETE #include "MacSerial.h" */
/* OBSOLETE */
/* OBSOLETE /* This is unused for now. We just return a placeholder. */ */
/* OBSOLETE */
/* OBSOLETE struct mac_ttystate */
/* OBSOLETE { */
/* OBSOLETE int bogus; */
/* OBSOLETE }; */
/* OBSOLETE */
/* OBSOLETE static int mac_open (serial_t scb, const char *name); */
/* OBSOLETE static void mac_raw (serial_t scb); */
/* OBSOLETE static int mac_readchar (serial_t scb, int timeout); */
/* OBSOLETE static int mac_setbaudrate (serial_t scb, int rate); */
/* OBSOLETE static int mac_write (serial_t scb, const char *str, int len); */
/* OBSOLETE static void mac_close (serial_t scb); */
/* OBSOLETE static serial_ttystate mac_get_tty_state (serial_t scb); */
/* OBSOLETE static int mac_set_tty_state (serial_t scb, serial_ttystate state); */
/* OBSOLETE static char *aptr (short p); */
/* OBSOLETE */
/* OBSOLETE short input_refnum; */
/* OBSOLETE short output_refnum; */
/* OBSOLETE */
/* OBSOLETE char *mac_input_buffer; */
/* OBSOLETE char *mac_output_buffer; */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_open (serial_t scb, const char *name) */
/* OBSOLETE { */
/* OBSOLETE OSErr err; */
/* OBSOLETE */
/* OBSOLETE /* Alloc buffer space first - that way any allocation failures are */
/* OBSOLETE intercepted before the serial driver gets involved. */ */
/* OBSOLETE if (mac_input_buffer == NULL) */
/* OBSOLETE mac_input_buffer = (char *) xmalloc (4096); */
/* OBSOLETE /* Match on a name and open a port. */ */
/* OBSOLETE if (strcmp (name, "modem") == 0) */
/* OBSOLETE { */
/* OBSOLETE err = OpenDriver ("\p.AIn", &input_refnum); */
/* OBSOLETE if (err != 0) */
/* OBSOLETE { */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE err = OpenDriver ("\p.AOut", &output_refnum); */
/* OBSOLETE if (err != 0) */
/* OBSOLETE { */
/* OBSOLETE CloseDriver (input_refnum); */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE } */
/* OBSOLETE else if (strcmp (name, "printer") == 0) */
/* OBSOLETE { */
/* OBSOLETE err = OpenDriver ("\p.BIn", &input_refnum); */
/* OBSOLETE if (err != 0) */
/* OBSOLETE { */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE err = OpenDriver ("\p.BOut", &output_refnum); */
/* OBSOLETE if (err != 0) */
/* OBSOLETE { */
/* OBSOLETE CloseDriver (input_refnum); */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE /* fake */ */
/* OBSOLETE scb->fd = 1; */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE else */
/* OBSOLETE { */
/* OBSOLETE error ("You must specify a valid serial port name; your choices are `modem' or `printer'."); */
/* OBSOLETE errno = ENOENT; */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE /* We got something open. */ */
/* OBSOLETE if (1 /* using custom buffer */ ) */
/* OBSOLETE SerSetBuf (input_refnum, mac_input_buffer, 4096); */
/* OBSOLETE /* Set to a GDB-preferred state. */ */
/* OBSOLETE SerReset (input_refnum, stop10 | noParity | data8 | baud9600); */
/* OBSOLETE SerReset (output_refnum, stop10 | noParity | data8 | baud9600); */
/* OBSOLETE { */
/* OBSOLETE CntrlParam cb; */
/* OBSOLETE struct SerShk *handshake; */
/* OBSOLETE */
/* OBSOLETE cb.ioCRefNum = output_refnum; */
/* OBSOLETE cb.csCode = 14; */
/* OBSOLETE handshake = (struct SerShk *) &cb.csParam[0]; */
/* OBSOLETE handshake->fXOn = 0; */
/* OBSOLETE handshake->fCTS = 0; */
/* OBSOLETE handshake->xOn = 0; */
/* OBSOLETE handshake->xOff = 0; */
/* OBSOLETE handshake->errs = 0; */
/* OBSOLETE handshake->evts = 0; */
/* OBSOLETE handshake->fInX = 0; */
/* OBSOLETE handshake->fDTR = 0; */
/* OBSOLETE err = PBControl ((ParmBlkPtr) & cb, 0); */
/* OBSOLETE if (err < 0) */
/* OBSOLETE return (-1); */
/* OBSOLETE } */
/* OBSOLETE /* fake */ */
/* OBSOLETE scb->fd = 1; */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_noop (serial_t scb) */
/* OBSOLETE { */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static void */
/* OBSOLETE mac_raw (serial_t scb) */
/* OBSOLETE { */
/* OBSOLETE /* Always effectively in raw mode. */ */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /* Read a character with user-specified timeout. TIMEOUT is number of seconds */
/* OBSOLETE to wait, or -1 to wait forever. Use timeout of 0 to effect a poll. Returns */
/* OBSOLETE char if successful. Returns -2 if timeout expired, EOF if line dropped */
/* OBSOLETE dead, or -3 for any other error (see errno in that case). */ */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_readchar (serial_t scb, int timeout) */
/* OBSOLETE { */
/* OBSOLETE int status, n; */
/* OBSOLETE /* time_t */ unsigned long start_time, now; */
/* OBSOLETE OSErr err; */
/* OBSOLETE CntrlParam cb; */
/* OBSOLETE IOParam pb; */
/* OBSOLETE */
/* OBSOLETE if (scb->bufcnt-- > 0) */
/* OBSOLETE return *scb->bufp++; */
/* OBSOLETE */
/* OBSOLETE time (&start_time); */
/* OBSOLETE */
/* OBSOLETE while (1) */
/* OBSOLETE { */
/* OBSOLETE cb.ioCRefNum = input_refnum; */
/* OBSOLETE cb.csCode = 2; */
/* OBSOLETE err = PBStatus ((ParmBlkPtr) & cb, 0); */
/* OBSOLETE if (err < 0) */
/* OBSOLETE return SERIAL_ERROR; */
/* OBSOLETE n = *((long *) &cb.csParam[0]); */
/* OBSOLETE if (n > 0) */
/* OBSOLETE { */
/* OBSOLETE pb.ioRefNum = input_refnum; */
/* OBSOLETE pb.ioBuffer = (Ptr) (scb->buf); */
/* OBSOLETE pb.ioReqCount = (n > 64 ? 64 : n); */
/* OBSOLETE err = PBRead ((ParmBlkPtr) & pb, 0); */
/* OBSOLETE if (err < 0) */
/* OBSOLETE return SERIAL_ERROR; */
/* OBSOLETE scb->bufcnt = pb.ioReqCount; */
/* OBSOLETE scb->bufcnt--; */
/* OBSOLETE scb->bufp = scb->buf; */
/* OBSOLETE return *scb->bufp++; */
/* OBSOLETE } */
/* OBSOLETE else if (timeout == 0) */
/* OBSOLETE return SERIAL_TIMEOUT; */
/* OBSOLETE else if (timeout == -1) */
/* OBSOLETE ; */
/* OBSOLETE else */
/* OBSOLETE { */
/* OBSOLETE time (&now); */
/* OBSOLETE if (now > start_time + timeout) */
/* OBSOLETE return SERIAL_TIMEOUT; */
/* OBSOLETE } */
/* OBSOLETE PROGRESS (1); */
/* OBSOLETE } */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /* mac_{get set}_tty_state() are both dummys to fill out the function */
/* OBSOLETE vector. Someday, they may do something real... */ */
/* OBSOLETE */
/* OBSOLETE static serial_ttystate */
/* OBSOLETE mac_get_tty_state (serial_t scb) */
/* OBSOLETE { */
/* OBSOLETE struct mac_ttystate *state; */
/* OBSOLETE */
/* OBSOLETE state = (struct mac_ttystate *) xmalloc (sizeof *state); */
/* OBSOLETE */
/* OBSOLETE return (serial_ttystate) state; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_set_tty_state (serial_t scb, serial_ttystate ttystate) */
/* OBSOLETE { */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_noflush_set_tty_state (serial_t scb, serial_ttystate new_ttystate, */
/* OBSOLETE serial_ttystate old_ttystate) */
/* OBSOLETE { */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static void */
/* OBSOLETE mac_print_tty_state (serial_t scb, */
/* OBSOLETE serial_ttystate ttystate, */
/* OBSOLETE struct ui_file *stream) */
/* OBSOLETE { */
/* OBSOLETE /* Nothing to print. */ */
/* OBSOLETE return; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE /* If there is a tricky formula to relate real baud rates */
/* OBSOLETE to what the serial driver wants, we should use it. Until */
/* OBSOLETE we get one, this table will have to do. */ */
/* OBSOLETE */
/* OBSOLETE static struct */
/* OBSOLETE { */
/* OBSOLETE int real_rate; */
/* OBSOLETE int bits; */
/* OBSOLETE } */
/* OBSOLETE mac_baud_rate_table[] = */
/* OBSOLETE { */
/* OBSOLETE { */
/* OBSOLETE 57600, baud57600 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 38400, 1 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 19200, baud19200 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 9600, baud9600 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 7200, baud7200 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 4800, baud4800 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 3600, baud3600 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 2400, baud2400 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 1800, baud1800 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 1200, baud1200 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 600, baud600 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 300, baud300 */
/* OBSOLETE } */
/* OBSOLETE , */
/* OBSOLETE { */
/* OBSOLETE 0, 0 */
/* OBSOLETE } */
/* OBSOLETE }; */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_set_baud_rate (serial_t scb, int rate) */
/* OBSOLETE { */
/* OBSOLETE int i, bits; */
/* OBSOLETE */
/* OBSOLETE for (i = 0; mac_baud_rate_table[i].real_rate != 0; ++i) */
/* OBSOLETE { */
/* OBSOLETE if (mac_baud_rate_table[i].real_rate == rate) */
/* OBSOLETE { */
/* OBSOLETE bits = mac_baud_rate_table[i].bits; */
/* OBSOLETE break; */
/* OBSOLETE } */
/* OBSOLETE } */
/* OBSOLETE SerReset (input_refnum, stop10 | noParity | data8 | bits); */
/* OBSOLETE SerReset (output_refnum, stop10 | noParity | data8 | bits); */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_set_stop_bits (serial_t scb, int num) */
/* OBSOLETE { */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE int first_mac_write = 0; */
/* OBSOLETE */
/* OBSOLETE static int */
/* OBSOLETE mac_write (serial_t scb, const char *str, int len) */
/* OBSOLETE { */
/* OBSOLETE OSErr err; */
/* OBSOLETE IOParam pb; */
/* OBSOLETE */
/* OBSOLETE if (first_mac_write++ < 4) */
/* OBSOLETE { */
/* OBSOLETE sleep (1); */
/* OBSOLETE } */
/* OBSOLETE pb.ioRefNum = output_refnum; */
/* OBSOLETE pb.ioBuffer = (Ptr) str; */
/* OBSOLETE pb.ioReqCount = len; */
/* OBSOLETE err = PBWrite ((ParmBlkPtr) & pb, 0); */
/* OBSOLETE if (err < 0) */
/* OBSOLETE { */
/* OBSOLETE return 1; */
/* OBSOLETE } */
/* OBSOLETE return 0; */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static void */
/* OBSOLETE mac_close (serial_t scb) */
/* OBSOLETE { */
/* OBSOLETE if (input_refnum) */
/* OBSOLETE { */
/* OBSOLETE if (1 /* custom buffer */ ) */
/* OBSOLETE SerSetBuf (input_refnum, mac_input_buffer, 0); */
/* OBSOLETE CloseDriver (input_refnum); */
/* OBSOLETE input_refnum = 0; */
/* OBSOLETE } */
/* OBSOLETE if (output_refnum) */
/* OBSOLETE { */
/* OBSOLETE if (0 /* custom buffer */ ) */
/* OBSOLETE SerSetBuf (input_refnum, mac_output_buffer, 0); */
/* OBSOLETE CloseDriver (output_refnum); */
/* OBSOLETE output_refnum = 0; */
/* OBSOLETE } */
/* OBSOLETE } */
/* OBSOLETE */
/* OBSOLETE static struct serial_ops mac_ops = */
/* OBSOLETE { */
/* OBSOLETE "hardwire", */
/* OBSOLETE 0, */
/* OBSOLETE mac_open, */
/* OBSOLETE mac_close, */
/* OBSOLETE mac_readchar, */
/* OBSOLETE mac_write, */
/* OBSOLETE mac_noop, /* flush output */ */
/* OBSOLETE mac_noop, /* flush input */ */
/* OBSOLETE mac_noop, /* send break -- currently only for nindy */ */
/* OBSOLETE mac_raw, */
/* OBSOLETE mac_get_tty_state, */
/* OBSOLETE mac_set_tty_state, */
/* OBSOLETE mac_print_tty_state, */
/* OBSOLETE mac_noflush_set_tty_state, */
/* OBSOLETE mac_set_baud_rate, */
/* OBSOLETE mac_set_stop_bits, */
/* OBSOLETE mac_noop, /* wait for output to drain */ */
/* OBSOLETE }; */
/* OBSOLETE */
/* OBSOLETE void */
/* OBSOLETE _initialize_ser_mac (void) */
/* OBSOLETE { */
/* OBSOLETE serial_add_interface (&mac_ops); */
/* OBSOLETE } */