133 lines
4.2 KiB
C
133 lines
4.2 KiB
C
/** \addtogroup sys
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \defgroup loader The Contiki program loader
|
|
*
|
|
* The Contiki program loader is an abstract interface for loading and
|
|
* starting programs.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* Default definitions and error values for the Contiki program loader.
|
|
* \author Adam Dunkels <adam@dunkels.com>
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright (c) 2003, Adam Dunkels.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials provided
|
|
* with the distribution.
|
|
* 3. The name of the author may not be used to endorse or promote
|
|
* products derived from this software without specific prior
|
|
* written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
|
|
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
|
|
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
* This file is part of the Contiki desktop OS
|
|
*
|
|
* $Id: loader.h,v 1.2 2008/10/14 12:46:39 nvt-se Exp $
|
|
*
|
|
*/
|
|
#ifndef __LOADER_H__
|
|
#define __LOADER_H__
|
|
|
|
/* Errors that the LOADER_LOAD() function may return: */
|
|
|
|
#define LOADER_OK 0 /**< No error. */
|
|
#define LOADER_ERR_READ 1 /**< Read error. */
|
|
#define LOADER_ERR_HDR 2 /**< Header error. */
|
|
#define LOADER_ERR_OS 3 /**< Wrong OS. */
|
|
#define LOADER_ERR_FMT 4 /**< Data format error. */
|
|
#define LOADER_ERR_MEM 5 /**< Not enough memory. */
|
|
#define LOADER_ERR_OPEN 6 /**< Could not open file. */
|
|
#define LOADER_ERR_ARCH 7 /**< Wrong architecture. */
|
|
#define LOADER_ERR_VERSION 8 /**< Wrong OS version. */
|
|
#define LOADER_ERR_NOLOADER 9 /**< Program loading not supported. */
|
|
|
|
#ifdef LOADER_CONF_ARCH
|
|
#include LOADER_CONF_ARCH
|
|
#endif /* LOADER_CONF_ARCH */
|
|
|
|
/**
|
|
* Load and execute a program.
|
|
*
|
|
* This macro is used for loading and executing a program, and
|
|
* requires support from the architecture dependent code. The actual
|
|
* program loading is made by architecture specific functions.
|
|
*
|
|
* \note A program loaded with LOADER_LOAD() must call the
|
|
* LOADER_UNLOAD() function to unload itself.
|
|
*
|
|
* \param name The name of the program to be loaded.
|
|
*
|
|
* \param arg A pointer argument that is passed to the program.
|
|
*
|
|
* \return A loader error, or LOADER_OK if loading was successful.
|
|
*/
|
|
#ifndef LOADER_LOAD
|
|
#define LOADER_LOAD(name, arg) LOADER_ERR_NOLOADER
|
|
#endif /* LOADER_LOAD */
|
|
|
|
/**
|
|
* Unload a program from memory.
|
|
*
|
|
* This macro is used for unloading a program and deallocating any
|
|
* memory that was allocated during the loading of the program. This
|
|
* function must be called by the program itself.
|
|
*
|
|
*/
|
|
#ifndef LOADER_UNLOAD
|
|
#define LOADER_UNLOAD()
|
|
#endif /* LOADER_UNLOAD */
|
|
|
|
/**
|
|
* Load a DSC (program description).
|
|
*
|
|
* Loads a DSC (program description) into memory and returns a pointer
|
|
* to the dsc.
|
|
*
|
|
* \return A pointer to the DSC or NULL if it could not be loaded.
|
|
*/
|
|
#ifndef LOADER_LOAD_DSC
|
|
#define LOADER_LOAD_DSC(name) NULL
|
|
#endif /* LOADER_LOAD_DSC */
|
|
|
|
/**
|
|
* Unload a DSC (program description).
|
|
*
|
|
* Unload a DSC from memory and deallocate any memory that was
|
|
* allocated when it was loaded.
|
|
*/
|
|
#ifndef LOADER_UNLOAD_DSC
|
|
#define LOADER_UNLOAD_DSC(dsc)
|
|
#endif /* LOADER_UNLOAD */
|
|
|
|
#endif /* __LOADER_H__ */
|
|
|
|
/** @} */
|
|
/** @} */
|