Files
gem5/src/mem/ruby/network/fault_model/FaultModel.hh
Andreas Hansson b6aa6d55eb clang/gcc: Fix compilation issues with clang 3.0 and gcc 4.6
This patch addresses a number of minor issues that cause problems when
compiling with clang >= 3.0 and gcc >= 4.6. Most importantly, it
avoids using the deprecated ext/hash_map and instead uses
unordered_map (and similarly so for the hash_set). To make use of the
new STL containers, g++ and clang has to be invoked with "-std=c++0x",
and this is now added for all gcc versions >= 4.6, and for clang >=
3.0. For gcc >= 4.3 and <= 4.5 and clang <= 3.0 we use the tr1
unordered_map to avoid the deprecation warning.

The addition of c++0x in turn causes a few problems, as the
compiler is more stringent and adds a number of new warnings. Below,
the most important issues are enumerated:

1) the use of namespaces is more strict, e.g. for isnan, and all
   headers opening the entire namespace std are now fixed.

2) another other issue caused by the more stringent compiler is the
   narrowing of the embedded python, which used to be a char array,
   and is now unsigned char since there were values larger than 128.

3) a particularly odd issue that arose with the new c++0x behaviour is
   found in range.hh, where the operator< causes gcc to complain about
   the template type parsing (the "<" is interpreted as the beginning
   of a template argument), and the problem seems to be related to the
   begin/end members introduced for the range-type iteration, which is
   a new feature in c++11.

As a minor update, this patch also fixes the build flags for the clang
debug target that used to be shared with gcc and incorrectly use
"-ggdb".
2012-04-14 05:43:31 -04:00

142 lines
5.1 KiB
C++

/*
* Copyright (c) 2011 Massachusetts Institute of Technology
* 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.
*
* Authors: Konstantinos Aisopos
*/
/*
* Official Tool Website: www.mit.edu/~kaisopos/FaultModel
*
* If you use our tool for academic research, we request that you cite:
* Konstantinos Aisopos, Chia-Hsin Owen Chen, and Li-Shiuan Peh. Enabling
* System-Level Modeling of Variation-Induced Faults in Networks-on-Chip.
* Proceedings of the 48th Design Automation Conference (DAC'11)
*/
#ifndef __MEM_RUBY_NETWORK_FAULT_MODEL_HH__
#define __MEM_RUBY_NETWORK_FAULT_MODEL_HH__
// tool limitations and fixed inputs
#define MAX_VCs 40
#define MAX_BUFFERS_per_VC 5
#define BASELINE_TEMPERATURE_CELCIUS 71
// C++ includes
#include <string>
// GEM5 includes
#include "params/FaultModel.hh"
#include "sim/sim_object.hh"
class FaultModel : public SimObject
{
public:
typedef FaultModelParams Params;
FaultModel(const Params *p);
const Params *params() const { return (const Params *)_params; }
/************************************************************************/
/********** THE FAULT TYPES SUPPORTED BY THE FAULT MODEL ***************/
/************************************************************************/
enum fault_type
{
data_corruption__few_bits,
data_corruption__all_bits,
flit_conservation__flit_duplication,
flit_conservation__flit_loss_or_split,
misrouting,
credit_conservation__credit_generation,
credit_conservation__credit_loss,
erroneous_allocation__VC,
erroneous_allocation__switch,
unfair_arbitration,
number_of_fault_types
};
/************************************************************************/
/******************** INTERFACE OF THE FAULT MODEL *********************/
/************************************************************************/
enum conf_record_format
{
conf_record_buff_per_vc,
conf_record_vcs,
conf_record_first_fault_type,
conf_record_last_fault_type = conf_record_first_fault_type + number_of_fault_types - 1,
fields_per_conf_record
};
enum temperature_record_format
{
temperature_record_temp,
temperature_record_weight,
fields_per_temperature_record
};
struct system_conf
{
int vcs;
int buff_per_vc;
float fault_type[number_of_fault_types];
};
int declare_router(int number_of_inputs,
int number_of_outputs,
int number_of_vcs_per_vnet,
int number_of_buff_per_data_vc,
int number_of_buff_per_ctrl_vc);
std::string fault_type_to_string(int fault_type_index);
// the following 2 functions are called at runtime, to get the probability
// of each fault type (fault_vector) or the aggregate fault probability
// (fault_prob). Note: the probability values are provided by reference
// (in the variables fault_vector[] & aggregate_fault_prob respectively).
// Both functions also return a success flag (which is always true if
// temperature ranges from 0C to 125C)
bool fault_vector(int routerID,
int temperature,
float fault_vector[]);
bool fault_prob(int routerID,
int temperature,
float *aggregate_fault_prob);
// for debugging purposes
void print(void);
private:
std::vector <system_conf> configurations;
std::vector <system_conf> routers;
std::vector <int> temperature_weights;
};
#endif // __MEM_RUBY_NETWORK_FAULT_MODEL_HH__