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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [MCF5235_GCC/] [system/] [newlib.c] - Rev 734
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/* FreeRTOS MCF5235 port - Copyright (C) 2006 Christian Walter. This file is part of the FreeRTOS distribution. FreeRTOS 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. FreeRTOS 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 FreeRTOS; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A special exception to the GPL can be applied should you wish to distribute a combined work that includes FreeRTOS, without being obliged to provide the source code for any proprietary components. See the licensing section of http://www.FreeRTOS.org for full details of how and when the exception can be applied. *************************************************************************** *************************************************************************** * * * Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * * * * This is a concise, step by step, 'hands on' guide that describes both * * general multitasking concepts and FreeRTOS specifics. It presents and * * explains numerous examples that are written using the FreeRTOS API. * * Full source code for all the examples is provided in an accompanying * * .zip file. * * * *************************************************************************** *************************************************************************** Please ensure to read the configuration and relevant port sections of the online documentation. http://www.FreeRTOS.org - Documentation, latest information, license and contact details. http://www.SafeRTOS.com - A version that is certified for use in safety critical systems. http://www.OpenRTOS.com - Commercial support, development, porting, licensing and training services. */ /* ------------------------ System includes ------------------------------- */ #include <sys/types.h> #include <sys/stat.h> #include <unistd.h> #include <errno.h> /* ------------------------ FreeRTOS includes ----------------------------- */ #include <FreeRTOS.h> #include <serial.h> /* ------------------------ Prototypes ------------------------------------ */ void vSerialPutStringNOISR( xComPortHandle pxPort, const signed char * const pcString, unsigned short usStringLength ); /* ------------------------ Start implementation -------------------------- */ void _exit( int status ) { asm volatile ( "halt" ); for( ;; ); } pid_t getpid( void ) { return 0; } int kill( pid_t pid, int sig ) { _exit( 0 ); } int close( int fd ) { return 0; } int fstat( int fd, struct stat *buf ) { buf->st_mode = S_IFCHR; buf->st_blksize = 0; return 0; } ssize_t write( int fd, const void *buf, size_t nbytes ) { ssize_t res = nbytes; extern xComPortHandle xSTDComPort; switch ( fd ) { case STDERR_FILENO: vSerialPutStringNOISR( xSTDComPort, ( const signed char * const )buf, ( unsigned short )nbytes ); break; case STDOUT_FILENO: vSerialPutString( xSTDComPort, ( const signed char * const)buf, ( unsigned short )nbytes ); break; default: errno = EIO; res = -1; break; } return res; } int read( int fd, void *buf, size_t nbytes ) { switch ( fd ) { default: errno = EIO; return -1; } } int isatty( int fd ) { return 0; } off_t lseek( int fd, off_t offset, int whence ) { errno = EIO; return ( off_t ) - 1; } extern char _end[]; char *heap_ptr; void * sbrk( ptrdiff_t nbytes ) { char *base; if( !heap_ptr ) heap_ptr = ( char * )&_end; base = heap_ptr; heap_ptr += nbytes; return base; }
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