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Diffstat (limited to 'src/mem/ruby/config/RubyConfig.cc')
| -rw-r--r-- | src/mem/ruby/config/RubyConfig.cc | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/src/mem/ruby/config/RubyConfig.cc b/src/mem/ruby/config/RubyConfig.cc new file mode 100644 index 000000000..cb30281cd --- /dev/null +++ b/src/mem/ruby/config/RubyConfig.cc @@ -0,0 +1,192 @@ + +/* + * 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.C + * + * Description: See RubyConfig.h + * + * $Id$ + * + */ + +#include "config/ruby_debug.hh" +#include "mem/ruby/config/RubyConfig.hh" +#include "mem/protocol/protocol_name.hh" +#include "mem/gems_common/util.hh" +#include "mem/protocol/Protocol.hh" + +#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."); }} + + +void RubyConfig::init() +{ + // MemoryControl: + CHECK_NON_ZERO(MEM_BUS_CYCLE_MULTIPLIER); + CHECK_NON_ZERO(BANKS_PER_RANK); + CHECK_NON_ZERO(RANKS_PER_DIMM); + CHECK_NON_ZERO(DIMMS_PER_CHANNEL); + CHECK_NON_ZERO(BANK_QUEUE_SIZE); + CHECK_NON_ZERO(BANK_BUSY_TIME); + CHECK_NON_ZERO(MEM_CTL_LATENCY); + CHECK_NON_ZERO(REFRESH_PERIOD); + CHECK_NON_ZERO(BASIC_BUS_BUSY_TIME); + + CHECK_POWER_OF_2(BANKS_PER_RANK); + CHECK_POWER_OF_2(RANKS_PER_DIMM); + CHECK_POWER_OF_2(DIMMS_PER_CHANNEL); + + CHECK_NON_ZERO(g_MEMORY_SIZE_BYTES); + CHECK_NON_ZERO(g_DATA_BLOCK_BYTES); + CHECK_NON_ZERO(g_PAGE_SIZE_BYTES); + CHECK_NON_ZERO(g_NUM_PROCESSORS); + CHECK_NON_ZERO(g_PROCS_PER_CHIP); + if(g_NUM_SMT_THREADS == 0){ //defaults to single-threaded + g_NUM_SMT_THREADS = 1; + } + if (g_NUM_L2_BANKS == 0) { // defaults to number of ruby nodes + g_NUM_L2_BANKS = g_NUM_PROCESSORS; + } + if (g_NUM_MEMORIES == 0) { // defaults to number of ruby nodes + g_NUM_MEMORIES = g_NUM_PROCESSORS; + } + + CHECK_ZERO(g_MEMORY_SIZE_BITS); + CHECK_ZERO(g_DATA_BLOCK_BITS); + CHECK_ZERO(g_PAGE_SIZE_BITS); + CHECK_ZERO(g_NUM_PROCESSORS_BITS); + CHECK_ZERO(g_NUM_CHIP_BITS); + CHECK_ZERO(g_NUM_L2_BANKS_BITS); + CHECK_ZERO(g_NUM_MEMORIES_BITS); + CHECK_ZERO(g_PROCS_PER_CHIP_BITS); + CHECK_ZERO(g_NUM_L2_BANKS_PER_CHIP); + CHECK_ZERO(g_NUM_L2_BANKS_PER_CHIP_BITS); + CHECK_ZERO(g_NUM_MEMORIES_BITS); + CHECK_ZERO(g_MEMORY_MODULE_BLOCKS); + CHECK_ZERO(g_MEMORY_MODULE_BITS); + CHECK_ZERO(g_NUM_MEMORIES_PER_CHIP); + + CHECK_POWER_OF_2(g_MEMORY_SIZE_BYTES); + CHECK_POWER_OF_2(g_DATA_BLOCK_BYTES); + CHECK_POWER_OF_2(g_NUM_PROCESSORS); + CHECK_POWER_OF_2(g_NUM_L2_BANKS); + CHECK_POWER_OF_2(g_NUM_MEMORIES); + CHECK_POWER_OF_2(g_PROCS_PER_CHIP); + + ASSERT(g_NUM_PROCESSORS >= g_PROCS_PER_CHIP); // obviously can't have less processors than procs/chip + g_NUM_CHIPS = g_NUM_PROCESSORS/g_PROCS_PER_CHIP; + ASSERT(g_NUM_L2_BANKS >= g_NUM_CHIPS); // cannot have a single L2cache across multiple chips + + g_NUM_L2_BANKS_PER_CHIP = g_NUM_L2_BANKS/g_NUM_CHIPS; + + ASSERT(L2_CACHE_NUM_SETS_BITS > log_int(g_NUM_L2_BANKS_PER_CHIP)); // cannot have less than one set per bank + L2_CACHE_NUM_SETS_BITS = L2_CACHE_NUM_SETS_BITS - log_int(g_NUM_L2_BANKS_PER_CHIP); + + if (g_NUM_CHIPS > g_NUM_MEMORIES) { + g_NUM_MEMORIES_PER_CHIP = 1; // some chips have a memory, others don't + } else { + g_NUM_MEMORIES_PER_CHIP = g_NUM_MEMORIES/g_NUM_CHIPS; + } + + g_NUM_CHIP_BITS = log_int(g_NUM_CHIPS); + g_MEMORY_SIZE_BITS = log_int(g_MEMORY_SIZE_BYTES); + g_DATA_BLOCK_BITS = log_int(g_DATA_BLOCK_BYTES); + g_PAGE_SIZE_BITS = log_int(g_PAGE_SIZE_BYTES); + g_NUM_PROCESSORS_BITS = log_int(g_NUM_PROCESSORS); + g_NUM_L2_BANKS_BITS = log_int(g_NUM_L2_BANKS); + g_NUM_L2_BANKS_PER_CHIP_BITS = log_int(g_NUM_L2_BANKS_PER_CHIP); + g_NUM_MEMORIES_BITS = log_int(g_NUM_MEMORIES); + g_PROCS_PER_CHIP_BITS = log_int(g_PROCS_PER_CHIP); + + g_MEMORY_MODULE_BITS = g_MEMORY_SIZE_BITS - g_DATA_BLOCK_BITS - g_NUM_MEMORIES_BITS; + g_MEMORY_MODULE_BLOCKS = (int64(1) << g_MEMORY_MODULE_BITS); + + if ((!Protocol::m_CMP) && (g_PROCS_PER_CHIP > 1)) { + ERROR_MSG("Non-CMP protocol should set g_PROCS_PER_CHIP to 1"); + } + + // Randomize the execution + srandom(g_RANDOM_SEED); +} + +int RubyConfig::L1CacheNumToL2Base(NodeID L1CacheNum) +{ + return L1CacheNum/g_PROCS_PER_CHIP; +} + +static void print_parameters(ostream& out) +{ + +#define PARAM(NAME) { out << #NAME << ": " << NAME << endl; } +#define PARAM_UINT(NAME) { out << #NAME << ": " << NAME << endl; } +#define PARAM_ULONG(NAME) { out << #NAME << ": " << NAME << endl; } +#define PARAM_BOOL(NAME) { out << #NAME << ": " << bool_to_string(NAME) << endl; } +#define PARAM_DOUBLE(NAME) { out << #NAME << ": " << NAME << endl; } +#define PARAM_STRING(NAME) { assert(NAME != NULL); out << #NAME << ": " << string(NAME) << endl; } +#define PARAM_ARRAY(PTYPE, NAME, ARRAY_SIZE) \ + { \ + out << #NAME << ": ("; \ + for (int i = 0; i < ARRAY_SIZE; i++) { \ + if (i != 0) { \ + out << ", "; \ + } \ + out << NAME[i]; \ + } \ + out << ")" << 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 +} + +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); +} + + |