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Diffstat (limited to '')
-rw-r--r-- | cpukit/libmisc/serdbg/serdbgio.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/cpukit/libmisc/serdbg/serdbgio.c b/cpukit/libmisc/serdbg/serdbgio.c deleted file mode 100644 index 07c77a0b03..0000000000 --- a/cpukit/libmisc/serdbg/serdbgio.c +++ /dev/null @@ -1,264 +0,0 @@ -/* SPDX-License-Identifier: BSD-2-Clause */ - -/* - * TERMIOS serial gdb interface support - * the functions in this file allow the standard gdb stubs like - * "m68k-stub.c" to access any serial interfaces that work with - * RTEMS termios in polled mode - */ - -/* - * Copyright (c) 2002 IMD Ingenieurbuero fuer Microcomputertechnik - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" - * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE - * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <rtems.h> -#include <rtems/libio_.h> -#include <errno.h> -#include <unistd.h> /* close */ -#include <stdio.h> -#include <fcntl.h> -#include <termios.h> - -#include <rtems/termiostypes.h> -#include <rtems/serdbg.h> - - -/* - * internal variables - */ -int serdbg_fd = -1; -struct rtems_termios_tty *serdbg_tty; - -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -int serdbg_open - -/*-------------------------------------------------------------------------*\ -| Purpose: | -| try to open given serial debug port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - const char *dev_name, /* name of device to open */ - uint32_t baudrate /* baud rate to use */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| 0 on success, -1 and errno otherwise | -\*=========================================================================*/ -{ - bool err_occurred = false; - rtems_libio_t *iop = NULL; - struct termios act_termios; - tcflag_t baudcode = B0; - -#define FD_STORE_CNT 3 - int fd_store[FD_STORE_CNT]; - int fd_store_used = 0; - - /* - * translate baudrate into baud code - */ - switch(baudrate) { - case 50: baudcode = B50; break; - case 75: baudcode = B75; break; - case 110: baudcode = B110; break; - case 134: baudcode = B134; break; - case 150: baudcode = B150; break; - case 200: baudcode = B200; break; - case 300: baudcode = B300; break; - case 600: baudcode = B600; break; - case 1200: baudcode = B1200; break; - case 1800: baudcode = B1800; break; - case 2400: baudcode = B2400; break; - case 4800: baudcode = B4800; break; - case 9600: baudcode = B9600; break; - case 19200: baudcode = B19200; break; - case 38400: baudcode = B38400; break; - case 57600: baudcode = B57600; break; - case 115200: baudcode = B115200; break; - case 230400: baudcode = B230400; break; - case 460800: baudcode = B460800; break; - default : err_occurred = true; errno = EINVAL; break; - } - - /* - * open device for serdbg operation - * skip any fds that are between 0..2, because they are - * reserved for stdin/out/err - */ - if (!err_occurred && - (dev_name != NULL) && - (dev_name[0] != '\0')) { - do { - serdbg_fd = open(dev_name,O_RDWR); - if (serdbg_fd < 0) { - err_occurred = true; - } - else { - if (serdbg_fd < 3) { - if (fd_store_used >= FD_STORE_CNT) { - err_occurred = true; - } - else { - fd_store[fd_store_used++] = serdbg_fd; - } - } - } - } while (!err_occurred && - (serdbg_fd < 3)); - } - /* - * close any fds, that have been placed in fd_store - * so fd 0..2 are reusable again - */ - while (--fd_store_used >= 0) { - close(fd_store[fd_store_used]); - } - - /* - * capture tty structure - */ - if (!err_occurred) { - iop = rtems_libio_iop(serdbg_fd); - serdbg_tty = iop->data1; - } - /* - * set device baudrate - * (and transp mode, this is not really needed) - * ... - */ - /* - * ... get fd settings - */ - if (!err_occurred && - (0 != tcgetattr(serdbg_fd,&act_termios))) { - err_occurred = true; - } - if (!err_occurred) { - act_termios.c_iflag - &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP - |INLCR|IGNCR|ICRNL|IXON); - act_termios.c_oflag - &= ~OPOST; - - act_termios.c_lflag - &= ~(ECHO|ECHONL|ICANON|ISIG|IEXTEN); - - cfsetospeed(&act_termios,baudcode); - cfsetispeed(&act_termios,baudcode); - - if (0 != tcsetattr(serdbg_fd,TCSANOW,&act_termios)) { - err_occurred = true; - } - } - return (err_occurred - ? -1 - : 0); -} - -void putDebugChar(char c) __attribute__ ((__weak__)); -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -void putDebugChar -/*-------------------------------------------------------------------------*\ -| Purpose: | -| send one character to serial port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - char c /* character to print */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| <none> | -\*=========================================================================*/ -{ - /* - * call serdbg polling callout, if available - */ - if (serdbg_conf.callout != NULL) { - serdbg_conf.callout(); - } - /* - * check, whether debug serial port is available - */ - if ((serdbg_tty != NULL) && - (serdbg_tty->device.write != NULL)) { - /* - * send character to debug serial port - */ - serdbg_tty->device.write(serdbg_tty->minor,&c,1); - } -} - -int getDebugChar(void) __attribute__ ((__weak__)); -/*=========================================================================*\ -| Function: | -\*-------------------------------------------------------------------------*/ -int getDebugChar -/*-------------------------------------------------------------------------*\ -| Purpose: | -| wait for one character from serial port | -+---------------------------------------------------------------------------+ -| Input Parameters: | -\*-------------------------------------------------------------------------*/ -( - void /* none */ -) -/*-------------------------------------------------------------------------*\ -| Return Value: | -| received character | -\*=========================================================================*/ -{ - int c = -1; - /* - * check, whether debug serial port is available - */ - if ((serdbg_tty != NULL) && - (serdbg_tty->device.pollRead != NULL)) { - do { - /* - * call serdbg polling callout, if available - */ - if (serdbg_conf.callout != NULL) { - serdbg_conf.callout(); - } - /* - * get character from debug serial port - */ - c = serdbg_tty->device.pollRead(serdbg_tty->minor); - } while (c < 0); - } - return c; -} |