Add FreeRTOS-Plus directory.

FreeRTOS/Demo/lwIP_MCF5235_GCC/system/newlib.c

@@ -0,0 +1,166 @@
+/*
+    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;
+}