gem5/src/mem/ruby/config/RubyConfig.cc

250 lines
9.6 KiB
C++

/*
* Copyright (c) 1999-2008 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.
*/
/*
* RubyConfig.cc
*
* Description: See RubyConfig.hh
*
* $Id$
*
*/
#include "mem/ruby/config/RubyConfig.hh"
//#include "mem/protocol/protocol_name.hh"
#include "mem/gems_common/util.hh"
#define CONFIG_DEF_FILE "mem/ruby/config/config.hh"
#define ERROR_MSG(MESSAGE)\
{\
cerr << "Fatal Error: in fn "\
<< __PRETTY_FUNCTION__ << " in "\
<< __FILE__ << ":"\
<< __LINE__ << ": "\
<< (MESSAGE) << endl << flush;\
abort();\
}
// declare all configuration variables
#define PARAM_BOOL( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
bool RubyConfig::m_##NAME = DEFAULT_VALUE;
#define PARAM_STRING( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
const char* RubyConfig::m_##NAME = DEFAULT_VALUE;
#define PARAM_ULONG( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
uint64 RubyConfig::m_##NAME = DEFAULT_VALUE;
#define PARAM( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
int RubyConfig::m_##NAME = DEFAULT_VALUE;
#define PARAM_ARRAY( NAME, TYPE, DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
TYPE* RubyConfig::m_##NAME = NULL;
#define PARAM_ARRAY2D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
TYPE** RubyConfig::m_##NAME = NULL;
#define PARAM_ARRAY3D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, D3_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
TYPE*** RubyConfig::m_##NAME = NULL;
#include CONFIG_DEF_FILE
#undef PARAM_BOOL
#undef PARAM_STRING
#undef PARAM_ULONG
#undef PARAM
#undef PARAM_ARRAY
#undef PARAM_ARRAY2D
#undef PARAM_ARRAY3D
#define CHECK_POWER_OF_2(N) { if (!is_power_of_2(N)) { ERROR_MSG(#N " must be a power of 2."); }}
#define CHECK_ZERO(N) { if (N != 0) { ERROR_MSG(#N " must be zero at initialization."); }}
#define CHECK_NON_ZERO(N) { if (N == 0) { ERROR_MSG(#N " must be non-zero."); }}
uint32 RubyConfig::m_data_block_mask;
void RubyConfig::reset()
{
#define PARAM_BOOL( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = DEFAULT_VALUE;
#define PARAM_STRING( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = DEFAULT_VALUE;
#define PARAM_ULONG( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = DEFAULT_VALUE;
#define PARAM( NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = DEFAULT_VALUE;
#define PARAM_ARRAY( NAME, TYPE, DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = new TYPE[DEFAULT_ARRAY_SIZE]; \
for (int i=0; i<DEFAULT_ARRAY_SIZE; i++) \
m_##NAME[i] = DEFAULT_VALUE;
#define PARAM_ARRAY2D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = new TYPE*[D1_DEFAULT_ARRAY_SIZE]; \
for (int i=0; i<D1_DEFAULT_ARRAY_SIZE; i++) { \
m_##NAME[i] = new TYPE[D2_DEFAULT_ARRAY_SIZE]; \
for (int j=0; j<D2_DEFAULT_ARRAY_SIZE; j++) \
m_##NAME[i][j] = DEFAULT_VALUE; \
}
#define PARAM_ARRAY3D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, D3_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) \
m_##NAME = new TYPE**[D1_DEFAULT_ARRAY_SIZE]; \
for (int i=0; i<D1_DEFAULT_ARRAY_SIZE; i++) { \
m_##NAME[i] = new TYPE*[D2_DEFAULT_ARRAY_SIZE]; \
for (int j=0; j<D2_DEFAULT_ARRAY_SIZE; j++) { \
m_##NAME[i][j] = new TYPE[D3_DEFAULT_ARRAY_SIZE]; \
for (int k=0; k<D3_DEFAULT_ARRAY_SIZE; k++) \
m_##NAME[i][j][k] = DEFUALT_VALUE; \
} \
}
#include CONFIG_DEF_FILE
#undef PARAM_BOOL
#undef PARAM_STRING
#undef PARAM_ULONG
#undef PARAM
#undef PARAM_ARRAY
#undef PARAM_ARRAY2D
#undef PARAM_ARRAY3D
}
void RubyConfig::init()
{
/*
// MemoryControl:
CHECK_NON_ZERO(m_MEM_BUS_CYCLE_MULTIPLIER);
CHECK_NON_ZERO(m_BANKS_PER_RANK);
CHECK_NON_ZERO(m_RANKS_PER_DIMM);
CHECK_NON_ZERO(m_DIMMS_PER_CHANNEL);
CHECK_NON_ZERO(m_BANK_QUEUE_SIZE);
CHECK_NON_ZERO(m_BankBusyTime);
CHECK_NON_ZERO(m_MEM_CTL_LATENCY);
CHECK_NON_ZERO(m_REFRESH_PERIOD);
CHECK_NON_ZERO(m_BASIC_BUS_BUSY_TIME);
CHECK_POWER_OF_2(m_BANKS_PER_RANK);
CHECK_POWER_OF_2(m_RANKS_PER_DIMM);
CHECK_POWER_OF_2(m_DIMMS_PER_CHANNEL);
CHECK_NON_ZERO(m_MemorySizeBytes);
// CHECK_NON_ZERO(m_DATA_BLOCK_BYTES);
CHECK_NON_ZERO(m_NUM_PROCESSORS);
CHECK_NON_ZERO(m_ProcsPerChip);
if (m_NUM_L2_BANKS == 0) { // defaults to number of ruby nodes
m_NUM_L2_BANKS = m_NUM_PROCESSORS;
}
if (m_NUM_MEMORIES == 0) { // defaults to number of ruby nodes
m_NUM_MEMORIES = m_NUM_PROCESSORS;
}
CHECK_ZERO(m_MEMORY_SIZE_BITS);
CHECK_ZERO(m_NUM_PROCESSORS_BITS);
CHECK_ZERO(m_NUM_CHIP_BITS);
CHECK_ZERO(m_NUM_L2_BANKS_BITS);
CHECK_ZERO(m_NUM_MEMORIES_BITS);
CHECK_ZERO(m_PROCS_PER_CHIP_BITS);
CHECK_ZERO(m_NUM_L2_BANKS_PER_CHIP);
CHECK_ZERO(m_NUM_L2_BANKS_PER_CHIP_BITS);
CHECK_ZERO(m_NUM_MEMORIES_BITS);
CHECK_ZERO(m_MEMORY_MODULE_BLOCKS);
CHECK_ZERO(m_MEMORY_MODULE_BITS);
CHECK_ZERO(m_NUM_MEMORIES_PER_CHIP);
CHECK_POWER_OF_2(m_MemorySizeBytes);
CHECK_POWER_OF_2(m_NUM_PROCESSORS);
CHECK_POWER_OF_2(m_NUM_L2_BANKS);
CHECK_POWER_OF_2(m_NUM_MEMORIES);
CHECK_POWER_OF_2(m_ProcsPerChip);
assert(m_NUM_PROCESSORS >= m_ProcsPerChip); // obviously can't have less processors than procs/chip
m_NUM_CHIPS = m_NUM_PROCESSORS/m_ProcsPerChip;
assert(m_NUM_L2_BANKS >= m_NUM_CHIPS); // cannot have a single L2cache across multiple chips
m_NUM_L2_BANKS_PER_CHIP = m_NUM_L2_BANKS/m_NUM_CHIPS;
if (m_NUM_CHIPS > m_NUM_MEMORIES) {
m_NUM_MEMORIES_PER_CHIP = 1; // some chips have a memory, others don't
} else {
m_NUM_MEMORIES_PER_CHIP = m_NUM_MEMORIES/m_NUM_CHIPS;
}
m_NUM_CHIP_BITS = log_int(m_NUM_CHIPS);
m_MEMORY_SIZE_BITS = log_int(m_MemorySizeBytes);
m_data_block_mask = ~ (~0 << m_DATA_BLOCK_BITS);
m_NUM_PROCESSORS_BITS = log_int(m_NUM_PROCESSORS);
m_NUM_L2_BANKS_BITS = log_int(m_NUM_L2_BANKS);
m_NUM_L2_BANKS_PER_CHIP_BITS = log_int(m_NUM_L2_BANKS_PER_CHIP);
m_NUM_MEMORIES_BITS = log_int(m_NUM_MEMORIES);
m_PROCS_PER_CHIP_BITS = log_int(m_ProcsPerChip);
m_MEMORY_MODULE_BITS = m_MEMORY_SIZE_BITS - m_DATA_BLOCK_BITS - m_NUM_MEMORIES_BITS;
m_MEMORY_MODULE_BLOCKS = (int64(1) << m_MEMORY_MODULE_BITS);
*/
// Randomize the execution
// srandom(m_RandomSeed);
}
static void print_parameters(ostream& out)
{
#define print_true(NAME)
#define print_false(NAME) \
out << #NAME << ": " << RubyConfig::get##NAME () << endl
#define PARAM(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_UINT(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_ULONG(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_BOOL(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_DOUBLE(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_STRING(NAME, DEFAULT_VALUE, CUSTOM_ACCESSOR) { print_##CUSTOM_ACCESSOR(NAME); }
#define PARAM_ARRAY( NAME, TYPE, DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) { out << #NAME << ": ARRAY" << endl; }
#define PARAM_ARRAY2D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) { out << #NAME << ": ARRAY2D" << endl; }
#define PARAM_ARRAY3D( NAME, TYPE, D1_DEFAULT_ARRAY_SIZE, D2_DEFAULT_ARRAY_SIZE, D3_DEFAULT_ARRAY_SIZE, DEFAULT_VALUE, CUSTOM_ACCESSOR ) { out << #NAME << ": ARRAY3D" << endl; }
#include "mem/ruby/config/config.hh"
#undef PARAM
#undef PARAM_UINT
#undef PARAM_ULONG
#undef PARAM_BOOL
#undef PARAM_DOUBLE
#undef PARAM_STRING
#undef PARAM_ARRAY
#undef PARAM_ARRAY2D
#undef PARAM_ARRAY3D
}
void RubyConfig::printConfiguration(ostream& out) {
out << "Ruby Configuration" << endl;
out << "------------------" << endl;
//out << "protocol: " << CURRENT_PROTOCOL << endl;
out << "compiled_at: " << __TIME__ << ", " << __DATE__ << endl;
// out << "RUBY_DEBUG: " << bool_to_string(RUBY_DEBUG) << endl;
char buffer[100];
gethostname(buffer, 50);
out << "hostname: " << buffer << endl;
print_parameters(out);
}