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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [MCF5235_GCC/] [system/] [newlib.c] - Blame information for rev 866

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Line No. Rev Author Line
1 584 jeremybenn
/*
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    FreeRTOS MCF5235 port - Copyright (C) 2006 Christian Walter.
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    This file is part of the FreeRTOS distribution.
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    FreeRTOS is free software; you can redistribute it and/or modify
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    it under the terms of the GNU General Public License** as published by
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    the Free Software Foundation; either version 2 of the License, or
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    (at your option) any later version.
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    FreeRTOS is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with FreeRTOS; if not, write to the Free Software
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    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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    A special exception to the GPL can be applied should you wish to distribute
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    a combined work that includes FreeRTOS, without being obliged to provide
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    the source code for any proprietary components.  See the licensing section
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    of http://www.FreeRTOS.org for full details of how and when the exception
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    can be applied.
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    ***************************************************************************
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    ***************************************************************************
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    *                                                                         *
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    * Get the FreeRTOS eBook!  See http://www.FreeRTOS.org/Documentation      *
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        *                                                                         *
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        * This is a concise, step by step, 'hands on' guide that describes both   *
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        * general multitasking concepts and FreeRTOS specifics. It presents and   *
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        * explains numerous examples that are written using the FreeRTOS API.     *
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        * Full source code for all the examples is provided in an accompanying    *
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        * .zip file.                                                              *
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    *                                                                         *
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    ***************************************************************************
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    ***************************************************************************
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        Please ensure to read the configuration and relevant port sections of the
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        online documentation.
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        http://www.FreeRTOS.org - Documentation, latest information, license and
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        contact details.
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        http://www.SafeRTOS.com - A version that is certified for use in safety
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        critical systems.
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        http://www.OpenRTOS.com - Commercial support, development, porting,
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        licensing and training services.
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*/
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/* ------------------------ System includes ------------------------------- */
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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/* ------------------------ FreeRTOS includes ----------------------------- */
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#include <FreeRTOS.h>
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#include <serial.h>
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/* ------------------------ Prototypes ------------------------------------ */
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void vSerialPutStringNOISR( xComPortHandle pxPort,
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                            const signed char * const pcString,
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                            unsigned short usStringLength );
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/* ------------------------ Start implementation -------------------------- */
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void
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_exit( int status )
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{
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    asm volatile    ( "halt" );
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    for( ;; );
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}
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pid_t
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getpid( void )
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{
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    return 0;
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}
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int
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kill( pid_t pid, int sig )
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{
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    _exit( 0 );
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}
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int
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close( int fd )
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{
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    return 0;
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}
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int
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fstat( int fd, struct stat *buf )
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{
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    buf->st_mode = S_IFCHR;
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    buf->st_blksize = 0;
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    return 0;
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}
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ssize_t
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write( int fd, const void *buf, size_t nbytes )
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{
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    ssize_t res = nbytes;
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    extern xComPortHandle xSTDComPort;
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    switch ( fd )
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    {
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        case STDERR_FILENO:
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            vSerialPutStringNOISR( xSTDComPort,
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                                   ( const signed char * const )buf,
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                                   ( unsigned short )nbytes );
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            break;
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        case STDOUT_FILENO:
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            vSerialPutString( xSTDComPort,
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                              ( const signed char * const)buf,
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                              ( unsigned short )nbytes );
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            break;
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        default:
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            errno = EIO;
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            res = -1;
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            break;
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    }
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    return res;
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}
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int
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read( int fd, void *buf, size_t nbytes )
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{
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    switch ( fd )
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    {
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        default:
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            errno = EIO;
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            return -1;
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    }
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}
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int
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isatty( int fd )
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{
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    return 0;
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}
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off_t
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lseek( int fd, off_t offset, int whence )
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{
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    errno = EIO;
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    return ( off_t ) - 1;
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}
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extern char     _end[];
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char           *heap_ptr;
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void           *
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sbrk( ptrdiff_t nbytes )
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{
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    char           *base;
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    if( !heap_ptr )
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        heap_ptr = ( char * )&_end;
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    base = heap_ptr;
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    heap_ptr += nbytes;
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    return base;
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}

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