source: rtems/cpukit/score/cpu/m32c/rtems/score/m32c.h @ 901ffac

/*
 *  This file sets up basic CPU dependency settings based on
 *  compiler settings.  For example, it can determine if
 *  floating point is available.  This particular implementation
 *  is specified to the NO CPU port.
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#ifndef _RTEMS_SCORE_NO_CPU_H
#define _RTEMS_SCORE_NO_CPU_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  This file contains the information required to build
 *  RTEMS for a particular member of the NO CPU family.
 *  It does this by setting variables to indicate which
 *  implementation dependent features are present in a particular
 *  member of the family.
 *
 *  This is a good place to list all the known CPU models
 *  that this port supports and which RTEMS CPU model they correspond
 *  to.
 */

#if defined(rtems_multilib)
/*
 *  Figure out all CPU Model Feature Flags based upon compiler
 *  predefines.
 */

#define CPU_MODEL_NAME  "rtems_multilib"
#define NOCPU_HAS_FPU     1

#elif defined(__m32c__)

#define CPU_MODEL_NAME  "m32c"
#define M32C_HAS_FPU    0

#else

#error "Unsupported CPU Model"

#endif

/*
 *  Define the name of the CPU family.
 */

#define CPU_NAME "m32c"

#define m32c_get_flg( _flg ) \
  __asm__ volatile( "stc flg, %0" : "=r" (_flg))

#define m32c_set_flg( _flg ) \
  __asm__ volatile( "ldc %1, flg" : "=r" (_flg) : "r" (_flg) )

#ifdef __cplusplus
}
#endif

#endif /* _RTEMS_SCORE_NO_CPU_H */