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/* avr.h
*
* 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 avr port.
*
* Copyright 2004, Ralf Corsepius, Ulm, Germany.
*
* 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_avr_h
#define _rtems_score_avr_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.
*/
/*
* Figure out all CPU Model Feature Flags based upon compiler
* predefines.
*/
#if defined(__AVR__)
#if defined(__AVR_ARCH__)
#if __AVR_ARCH__ == 1
#define CPU_MODEL_NAME "avr1"
#define AVR_HAS_FPU 1
#elif __AVR_ARCH__ == 2
#define CPU_MODEL_NAME "avr2"
#define AVR_HAS_FPU 1
#elif __AVR_ARCH__ == 3
#define CPU_MODEL_NAME "avr3"
#define AVR_HAS_FPU 1
#elif __AVR_ARCH__ == 4
#define CPU_MODEL_NAME "avr4"
#define AVR_HAS_FPU 1
#elif __AVR_ARCH__ == 5
#define CPU_MODEL_NAME "avr5"
#define AVR_HAS_FPU 1
#else
#error "Unsupported __AVR_ARCH__"
#endif
#else
#error "__AVR_ARCH__ undefined"
#endif
#else
#error "Unsupported CPU Model"
#endif
/*
* Define the name of the CPU family.
*/
#define CPU_NAME "avr"
#ifdef __cplusplus
}
#endif
#endif /* ! _rtems_score_avr_h */
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