The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]

FreeBSD/Linux Kernel Cross Reference
sys/dev/uart/uart_dbg.c

Version: -  FREEBSD  -  FREEBSD-13-STABLE  -  FREEBSD-13-0  -  FREEBSD-12-STABLE  -  FREEBSD-12-0  -  FREEBSD-11-STABLE  -  FREEBSD-11-0  -  FREEBSD-10-STABLE  -  FREEBSD-10-0  -  FREEBSD-9-STABLE  -  FREEBSD-9-0  -  FREEBSD-8-STABLE  -  FREEBSD-8-0  -  FREEBSD-7-STABLE  -  FREEBSD-7-0  -  FREEBSD-6-STABLE  -  FREEBSD-6-0  -  FREEBSD-5-STABLE  -  FREEBSD-5-0  -  FREEBSD-4-STABLE  -  FREEBSD-3-STABLE  -  FREEBSD22  -  l41  -  OPENBSD  -  linux-2.6  -  MK84  -  PLAN9  -  xnu-8792 
SearchContext: -  none  -  3  -  10 

    1 /*-
    2  * Copyright (c) 2004 Marcel Moolenaar
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * 1. Redistributions of source code must retain the above copyright
   10  *    notice, this list of conditions and the following disclaimer.
   11  * 2. Redistributions in binary form must reproduce the above copyright
   12  *    notice, this list of conditions and the following disclaimer in the
   13  *    documentation and/or other materials provided with the distribution.
   14  *
   15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
   16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
   19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
   20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
   24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   25  */
   26 
   27 #include <sys/cdefs.h>
   28 __FBSDID("$FreeBSD: releng/8.4/sys/dev/uart/uart_dbg.c 158950 2006-05-26 11:54:32Z phk $");
   29 
   30 #include <sys/param.h>
   31 #include <sys/systm.h>
   32 #include <sys/bus.h>
   33 #include <sys/kernel.h>
   34 #include <machine/bus.h>
   35 
   36 #include <gdb/gdb.h>
   37 
   38 #include <dev/uart/uart.h>
   39 #include <dev/uart/uart_cpu.h>
   40 
   41 static gdb_probe_f uart_dbg_probe;
   42 static gdb_init_f uart_dbg_init;
   43 static gdb_term_f uart_dbg_term;
   44 static gdb_getc_f uart_dbg_getc;
   45 static gdb_putc_f uart_dbg_putc;
   46 
   47 GDB_DBGPORT(uart, uart_dbg_probe, uart_dbg_init, uart_dbg_term,
   48     uart_dbg_getc, uart_dbg_putc);
   49 
   50 static struct uart_devinfo uart_dbgport;
   51 
   52 static int
   53 uart_dbg_probe(void)
   54 {
   55 
   56         if (uart_cpu_getdev(UART_DEV_DBGPORT, &uart_dbgport))
   57                 return (-1);
   58 
   59         if (uart_probe(&uart_dbgport))
   60                 return (-1);
   61 
   62         return (0);
   63 }
   64 
   65 static void
   66 uart_dbg_init(void)
   67 {
   68 
   69         uart_dbgport.type = UART_DEV_DBGPORT;
   70         uart_add_sysdev(&uart_dbgport);
   71         uart_init(&uart_dbgport);
   72 }
   73 
   74 static void
   75 uart_dbg_term(void)
   76 {
   77 
   78         uart_term(&uart_dbgport);
   79 }
   80 
   81 static void
   82 uart_dbg_putc(int c)
   83 {
   84 
   85         uart_putc(&uart_dbgport, c);
   86 }
   87 
   88 static int
   89 uart_dbg_getc(void)
   90 {
   91 
   92         return (uart_poll(&uart_dbgport));
   93 }

Cache object: 718071e8d5adb8c7e4057b87292be2f8


[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]


This page is part of the FreeBSD/Linux Linux Kernel Cross-Reference, and was automatically generated using a modified version of the LXR engine.