text: #ifndef __QEMU_SIM
  // turn off the whole file if QEMU is around
  /******************************************************************************
  *
  * Copyright (C) 2009 - 2015 Xilinx, Inc.  All rights reserved.
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  * copies of the Software, and to permit persons to whom the Software is
  * furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in
  * all copies or substantial portions of the Software.
  *
  * Use of the Software is limited solely to applications:
  * (a) running on a Xilinx device, or
  * (b) that interact with a Xilinx device through a bus or interconnect.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  * XILINX  BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
  * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  *
  * Except as contained in this notice, the name of the Xilinx shall not be used
  * in advertising or otherwise to promote the sale, use or other dealings in
  * this Software without prior written authorization from Xilinx.
  *
  ******************************************************************************/
  #include <unistd.h>
  #include "xil_types.h"
  
  /************************** COAST configuration *****************************/
  #include "COAST.h"
  
  
  #ifdef __cplusplus
  extern "C" {
  	__attribute__((weak)) sint32 _isatty(sint32 fd);
  }
  #endif
  
  /*
   * isatty -- returns 1 if connected to a terminal device,
   *           returns 0 if not. Since we're hooked up to a
   *           serial port, we'll say yes _AND return a 1.
   */
  __attribute__((weak)) sint32 isatty(sint32 fd)
  {
    (void)fd;
    return (1);
  }
  
  __COAST_VOLATILE
  __attribute__((weak)) sint32 _isatty(sint32 fd)
  {
    (void)fd;
    return (1);
  }
  
  #endif  /* __QEMU_SIM */
  