1 files changed, 118 insertions, 0 deletions
diff --git a/ext/drampower/src/CAHelpers.cc b/ext/drampower/src/CAHelpers.cc
new file mode 100644
index 000000000..e7df88318
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+++ b/ext/drampower/src/CAHelpers.cc
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+/*
+ * Copyright (c) 2012-2014, TU Delft
+ * Copyright (c) 2012-2014, TU Eindhoven
+ * Copyright (c) 2012-2014, TU Kaiserslautern
+ * 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. Neither the name of the copyright holder 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
+ * HOLDER 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.
+ *
+ */
+
+#include <cstdio>
+#include <algorithm>  // std::count
+#include <string>
+
+#include "CommandAnalysis.h"
+
+using std::cerr;
+using std::endl;
+using std::string;
+
+using namespace Data;
+
+
+// To get the time of completion of the issued command
+// Derived based on JEDEC specifications
+
+int64_t CommandAnalysis::timeToCompletion(MemCommand::cmds type)
+{
+  int64_t offset = 0;
+  const MemTimingSpec& memTimingSpec     = memSpec.memTimingSpec;
+  const MemArchitectureSpec& memArchSpec = memSpec.memArchSpec;
+
+  if (type == MemCommand::RD) {
+    offset = memTimingSpec.RL +
+                              memTimingSpec.DQSCK + 1 + (memArchSpec.burstLength /
+                                                         memArchSpec.dataRate);
+  } else if (type == MemCommand::WR) {
+    offset = memTimingSpec.WL +
+                              (memArchSpec.burstLength / memArchSpec.dataRate) +
+                              memTimingSpec.WR;
+  } else if (type == MemCommand::ACT) {
+    offset = memTimingSpec.RCD;
+  } else if ((type == MemCommand::PRE) || (type == MemCommand::PREA)) {
+    offset = memTimingSpec.RP;
+  }
+  return offset;
+} // CommandAnalysis::timeToCompletion
+
+
+// Returns the number of active banks based on the bank_state vector.
+unsigned CommandAnalysis::get_num_active_banks(void)
+{
+  return (unsigned)std::count(bank_state.begin(), bank_state.end(), BANK_ACTIVE);
+}
+
+// Naming-standard compliant wrapper
+unsigned CommandAnalysis::nActiveBanks(void)
+{
+  return CommandAnalysis::get_num_active_banks();
+}
+
+bool CommandAnalysis::isPrecharged(unsigned bank)
+{
+    return bank_state[bank] == BANK_PRECHARGED;
+}
+
+void CommandAnalysis::printWarningIfActive(const string& warning, int type, int64_t timestamp, unsigned bank)
+{
+  if (get_num_active_banks() != 0) {
+    printWarning(warning, type, timestamp, bank);
+  }
+}
+
+void CommandAnalysis::printWarningIfNotActive(const string& warning, int type, int64_t timestamp, unsigned bank)
+{
+  if (get_num_active_banks() == 0) {
+    printWarning(warning, type, timestamp, bank);
+  }
+}
+
+void CommandAnalysis::printWarningIfPoweredDown(const string& warning, int type, int64_t timestamp, unsigned bank)
+{
+  if (mem_state != 0) {
+    printWarning(warning, type, timestamp, bank);
+  }
+}
+
+void CommandAnalysis::printWarning(const string& warning, int type, int64_t timestamp, unsigned bank)
+{
+  cerr << "WARNING: " << warning << endl;
+  cerr << "Command: " << type << ", Timestamp: " << timestamp <<
+    ", Bank: " << bank << endl;
+}