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/*
* Copyright (c) 1999-2005 Mark D. Hill and David A. Wood
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "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 COPYRIGHT
* OWNER OR CONTRIBUTORS 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.
*/
#ifndef _CONFIO_H_
#define _CONFIO_H_
/*------------------------------------------------------------------------*/
/* Includes */
/*------------------------------------------------------------------------*/
#include "mem/gems_common/ioutil/FakeSimicsDataTypes.hh"
/*------------------------------------------------------------------------*/
/* Macro declarations */
/*------------------------------------------------------------------------*/
/// constant for attribute parsing: a (x) single value
const attr_kind_t CONF_ATTR_SINGLE = (attr_kind_t) (Sim_Val_Object + 1);
/// constant for attribute parsing: a (x,y) pair of values
const attr_kind_t CONF_ATTR_PAIR = (attr_kind_t) (Sim_Val_Object + 2);
/*------------------------------------------------------------------------*/
/* Class declaration(s) */
/*------------------------------------------------------------------------*/
/*
* Functions for modifying the micro-architectural configuation of
* a class.
*/
/// function for getting the configuration value
typedef attr_value_t (*get_confio_t)( void *ptr, void *obj );
/// function for setting the configuration value
typedef set_error_t (*set_confio_t)( void *ptr, void *obj,
attr_value_t *value );
/// a struture containing the functional callbacks for each conf node
typedef struct confnode {
get_confio_t get_attr;
set_confio_t set_attr;
void *set_attr_data;
void *get_attr_data;
bool attr_is_set;
} confnode_t;
/// a mapping from a string to a configuration structure
typedef map<string, confnode_t *> ConfTable;
/**
* Configuration state saving: allows the user to save the micro-architectural
* state in a text file for later runs. This file is also used to set
* globals during simulation.
*
* @author cmauer
* @version $Id$
*/
class confio_t {
public:
/**
* @name Constructor(s) / destructor
*/
//@{
/**
* Constructor: creates object
*/
confio_t();
/**
* Destructor: frees object.
*/
~confio_t();
//@}
/**
* @name Methods
*/
//@{
//@}
/**
* @name Accessor(s) / mutator(s)
*/
//@{
/**
* register a configuration variable with the configuration manager.
* @param get_attr A function to get the attribute value
* @param get_attr_data Void pointer, available to get_attr
* @param set_attr A function to set the attribute value
* @param set_attr_data Void pointer, available to set_attr
* @return [Description of return value]
*/
int register_attribute( const char *name,
get_confio_t get_attr, void *get_attr_data,
set_confio_t set_attr, void *set_attr_data );
/**
* Set verbosity of the configuration
* @param verbose True causes more info to be printed out, False doesn't
*/
void setVerbosity( bool verbose ) {
m_verbose = verbose;
}
/**
* write a configuration file: e.g. save state
*/
int writeConfiguration( const char *outputFilename );
/**
* read state from an existing configuration file
* @param inputFilename The file to read
* @param relativeIncludePath The path to search on 'include' statements
*/
int readConfiguration( const char *inputFilename,
const char *relativeIncludePath );
/**
* read state from a string
*/
int readConfigurationString( const char *inputBuffer );
/**
* check that each registered configuration is set (reports a warning if
* they are not.)
*/
void checkInitialization( void );
//@}
private:
/**
* Apply an attribute list to the configuration table
*/
int applyConfiguration( attr_value_t *attr );
/// configuration table: contains a map from a string -> conf node
ConfTable m_table;
/// if false, nothing is printed under normal operation
bool m_verbose;
};
/*------------------------------------------------------------------------*/
/* Global variables */
/*------------------------------------------------------------------------*/
/*------------------------------------------------------------------------*/
/* Global functions */
/*------------------------------------------------------------------------*/
/**
* Allocates an array of attributes.
*/
attr_value_t *mallocAttribute( uint32 number );
/**
* Walks an attribute tree, freeing all memory under attr. Does not free
* attr itself.
*/
void freeAttribute( attr_value_t *attr );
#endif /* _CONFIO_H_ */
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