From a1444a4d7b081d141e2c812ab5f672750632aaac Mon Sep 17 00:00:00 2001
From: Janik Schlemminger <schlemmi@rhrk.uni-kl.de>
Date: Sat, 12 Apr 2014 11:44:27 +0200
Subject: [PATCH] PowerDownChecker and release build setting added

---
 dram/.cproject                                | 95 ++++++++++++++++++-
 dram/.settings/language.settings.xml          | 10 ++
 .../configs/memconfigs/memconfig.xml          |  4 +-
 dram/src/common/DebugManager.cpp              |  8 +-
 dram/src/common/DebugManager.h                |  6 +-
 dram/src/common/Utils.cpp                     | 12 +--
 dram/src/common/dramExtension.cpp             |  9 +-
 dram/src/common/third_party/tinyxml2.h        |  2 +-
 dram/src/common/xmlAddressdecoder.cpp         |  2 +-
 dram/src/core/ControllerCore.cpp              | 13 ++-
 dram/src/core/TimingCalculation.cpp           |  1 -
 dram/src/core/configuration/MemSpecLoader.cpp |  4 +
 .../core/configuration/TimingConfiguration.h  |  2 +
 dram/src/core/powerdown/PowerDownManager.cpp  | 40 +++-----
 dram/src/core/powerdown/PowerDownManager.h    |  2 +-
 .../powerdown/PowerDownManagerBankwise.cpp    | 32 ++-----
 .../scheduling/checker/ActivateChecker.cpp    |  2 +-
 .../scheduling/checker/PowerDownChecker.cpp   | 44 +++++++++
 .../scheduling/checker/PowerDownChecker.h     | 38 ++++++++
 .../checker/PrechargeAllChecker.cpp           |  1 -
 .../scheduling/checker/PrechargeChecker.cpp   | 11 +--
 .../core/scheduling/checker/ReadChecker.cpp   | 17 +++-
 .../src/core/scheduling/checker/ReadChecker.h |  2 +
 .../core/scheduling/checker/WriteChecker.cpp  | 23 ++---
 dram/src/scheduler/Fr_Fcfs.cpp                |  2 +-
 dram/src/scheduler/PARBS.cpp                  |  2 +-
 dram/src/simulation/Controller.h              |  6 +-
 dram/src/simulation/main.cpp                  |  7 +-
 28 files changed, 285 insertions(+), 112 deletions(-)
 create mode 100644 dram/src/core/scheduling/checker/PowerDownChecker.cpp
 create mode 100644 dram/src/core/scheduling/checker/PowerDownChecker.h

diff --git a/dram/.cproject b/dram/.cproject
index 49a1ca7b..79dda475 100644
--- a/dram/.cproject
+++ b/dram/.cproject
@@ -19,7 +19,7 @@
 							<builder autoBuildTarget="all" buildPath="${workspace_loc:/dram}/build-simulation" cleanBuildTarget="clean" enableAutoBuild="false" id="org.eclipse.cdt.build.core.internal.builder.1698165306" incrementalBuildTarget="all" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="CDT Internal Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="org.eclipse.cdt.build.core.internal.builder"/>
 							<tool id="cdt.managedbuild.tool.gnu.archiver.base.1509734096" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
 							<tool command="/opt/gcc/bin/g++" id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.789860529" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
-								<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.2041174282" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" value="gnu.cpp.compiler.optimization.level.most" valueType="enumerated"/>
+								<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.2041174282" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
 								<option id="gnu.cpp.compiler.exe.debug.option.debugging.level.2092267417" name="Debug Level" superClass="gnu.cpp.compiler.exe.debug.option.debugging.level" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
 								<option id="gnu.cpp.compiler.option.include.paths.1823643375" name="Include paths (-I)" superClass="gnu.cpp.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="/opt/systemc/include"/>
@@ -36,7 +36,7 @@
 								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.1847876781" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
 							</tool>
 							<tool command="/opt/gcc/bin/g++" id="cdt.managedbuild.tool.gnu.c.compiler.exe.debug.151665950" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.exe.debug">
-								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.exe.debug.option.optimization.level.1290346028" name="Optimization Level" superClass="gnu.c.compiler.exe.debug.option.optimization.level" valueType="enumerated"/>
+								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.exe.debug.option.optimization.level.1290346028" name="Optimization Level" superClass="gnu.c.compiler.exe.debug.option.optimization.level" value="gnu.c.optimization.level.most" valueType="enumerated"/>
 								<option id="gnu.c.compiler.exe.debug.option.debugging.level.1471334523" name="Debug Level" superClass="gnu.c.compiler.exe.debug.option.debugging.level" value="gnu.c.debugging.level.max" valueType="enumerated"/>
 								<option id="gnu.c.compiler.option.include.paths.1530954752" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" valueType="includePath">
 									<listOptionValue builtIn="false" value="/opt/systemc-2.3.0/include"/>
@@ -91,6 +91,97 @@
 			</storageModule>
 			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
 		</cconfiguration>
+		<cconfiguration id="cdt.managedbuild.config.gnu.exe.debug.513647443.1530924826">
+			<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.config.gnu.exe.debug.513647443.1530924826" moduleId="org.eclipse.cdt.core.settings" name="release-simulation">
+				<externalSettings/>
+				<extensions>
+					<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+					<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
+				</extensions>
+			</storageModule>
+			<storageModule moduleId="cdtBuildSystem" version="4.0.0">
+				<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug,org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe" cleanCommand="rm -rf" description="release optimized and no debug" id="cdt.managedbuild.config.gnu.exe.debug.513647443.1530924826" name="release-simulation" parent="cdt.managedbuild.config.gnu.exe.debug">
+					<folderInfo id="cdt.managedbuild.config.gnu.exe.debug.513647443.1530924826." name="/" resourcePath="">
+						<toolChain id="cdt.managedbuild.toolchain.gnu.exe.debug.873153013" name="Linux GCC" nonInternalBuilderId="cdt.managedbuild.target.gnu.builder.exe.debug" superClass="cdt.managedbuild.toolchain.gnu.exe.debug">
+							<targetPlatform id="cdt.managedbuild.target.gnu.platform.exe.debug.702821554" name="Debug Platform" superClass="cdt.managedbuild.target.gnu.platform.exe.debug"/>
+							<builder autoBuildTarget="all" buildPath="${workspace_loc:/dram}/build-simulation" cleanBuildTarget="clean" enableAutoBuild="false" id="org.eclipse.cdt.build.core.internal.builder.1967754792" incrementalBuildTarget="all" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="CDT Internal Builder" parallelBuildOn="true" parallelizationNumber="optimal" superClass="org.eclipse.cdt.build.core.internal.builder"/>
+							<tool id="cdt.managedbuild.tool.gnu.archiver.base.1523361679" name="GCC Archiver" superClass="cdt.managedbuild.tool.gnu.archiver.base"/>
+							<tool command="/opt/gcc/bin/g++" id="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug.1616160496" name="GCC C++ Compiler" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.exe.debug">
+								<option id="gnu.cpp.compiler.exe.debug.option.optimization.level.1476640436" name="Optimization Level" superClass="gnu.cpp.compiler.exe.debug.option.optimization.level" value="gnu.cpp.compiler.optimization.level.most" valueType="enumerated"/>
+								<option id="gnu.cpp.compiler.exe.debug.option.debugging.level.2084361110" name="Debug Level" superClass="gnu.cpp.compiler.exe.debug.option.debugging.level" value="gnu.cpp.compiler.debugging.level.none" valueType="enumerated"/>
+								<option id="gnu.cpp.compiler.option.include.paths.1815741005" name="Include paths (-I)" superClass="gnu.cpp.compiler.option.include.paths" valueType="includePath">
+									<listOptionValue builtIn="false" value="/opt/systemc/include"/>
+									<listOptionValue builtIn="false" value="/opt/gmock-1.7.0/include"/>
+								</option>
+								<option id="gnu.cpp.compiler.option.preprocessor.def.573530070" name="Defined symbols (-D)" superClass="gnu.cpp.compiler.option.preprocessor.def" valueType="definedSymbols">
+									<listOptionValue builtIn="false" value="SC_INCLUDE_DYNAMIC_PROCESSES"/>
+									<listOptionValue builtIn="false" value="NDEBUG"/>
+									<listOptionValue builtIn="false" value="TIXML_USE_STL"/>
+								</option>
+								<option id="gnu.cpp.compiler.option.other.other.1076043381" name="Other flags" superClass="gnu.cpp.compiler.option.other.other" value="-c -fmessage-length=0 -std=c++11 -fprofile-arcs -ftest-coverage" valueType="string"/>
+								<option id="gnu.cpp.compiler.option.debugging.prof.991369502" name="Generate prof information (-p)" superClass="gnu.cpp.compiler.option.debugging.prof" value="false" valueType="boolean"/>
+								<option id="gnu.cpp.compiler.option.debugging.gprof.1800798786" name="Generate gprof information (-pg)" superClass="gnu.cpp.compiler.option.debugging.gprof" value="false" valueType="boolean"/>
+								<option id="gnu.cpp.compiler.option.dialect.std.739859284.898203370" name="Language standard" superClass="gnu.cpp.compiler.option.dialect.std" value="gnu.cpp.compiler.dialect.default" valueType="enumerated"/>
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.compiler.input.2017055434" superClass="cdt.managedbuild.tool.gnu.cpp.compiler.input"/>
+							</tool>
+							<tool command="/opt/gcc/bin/g++" id="cdt.managedbuild.tool.gnu.c.compiler.exe.debug.1819935674" name="GCC C Compiler" superClass="cdt.managedbuild.tool.gnu.c.compiler.exe.debug">
+								<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.exe.debug.option.optimization.level.332808037" name="Optimization Level" superClass="gnu.c.compiler.exe.debug.option.optimization.level" value="gnu.c.optimization.level.most" valueType="enumerated"/>
+								<option id="gnu.c.compiler.exe.debug.option.debugging.level.970853808" name="Debug Level" superClass="gnu.c.compiler.exe.debug.option.debugging.level" value="gnu.c.debugging.level.max" valueType="enumerated"/>
+								<option id="gnu.c.compiler.option.include.paths.1587784758" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" valueType="includePath">
+									<listOptionValue builtIn="false" value="/opt/systemc-2.3.0/include"/>
+									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/dram/dram/src}&quot;"/>
+									<listOptionValue builtIn="false" value="/opt/gmock-1.7.0/include"/>
+									<listOptionValue builtIn="false" value="../dram/dram/src"/>
+								</option>
+								<option id="gnu.c.compiler.option.preprocessor.def.symbols.2899989" name="Defined symbols (-D)" superClass="gnu.c.compiler.option.preprocessor.def.symbols" valueType="definedSymbols">
+									<listOptionValue builtIn="false" value="SC_INCLUDE_DYNAMIC_PROCESSES"/>
+									<listOptionValue builtIn="false" value="TIXML_USE_STL"/>
+								</option>
+								<option id="gnu.c.compiler.option.dialect.std.544879672.1958185063" name="Language standard" superClass="gnu.c.compiler.option.dialect.std" value="gnu.c.compiler.dialect.default" valueType="enumerated"/>
+								<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.1172903636" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
+							</tool>
+							<tool id="cdt.managedbuild.tool.gnu.c.linker.exe.debug.1479682613" name="GCC C Linker" superClass="cdt.managedbuild.tool.gnu.c.linker.exe.debug"/>
+							<tool command="/opt/gcc/bin/g++" id="cdt.managedbuild.tool.gnu.cpp.linker.exe.debug.756635529" name="GCC C++ Linker" superClass="cdt.managedbuild.tool.gnu.cpp.linker.exe.debug">
+								<option id="gnu.cpp.link.option.libs.81793090" name="Libraries (-l)" superClass="gnu.cpp.link.option.libs" valueType="libs">
+									<listOptionValue builtIn="false" value="systemc"/>
+									<listOptionValue builtIn="false" value="sqlite3"/>
+									<listOptionValue builtIn="false" value="gcov"/>
+									<listOptionValue builtIn="false" value="pthread"/>
+								</option>
+								<option id="gnu.cpp.link.option.paths.897051210" name="Library search path (-L)" superClass="gnu.cpp.link.option.paths" valueType="libPaths">
+									<listOptionValue builtIn="false" value="/opt/systemc/lib-linux64"/>
+								</option>
+								<option id="gnu.cpp.link.option.debugging.prof.1500435213" name="Generate prof information (-p)" superClass="gnu.cpp.link.option.debugging.prof" value="false" valueType="boolean"/>
+								<option id="gnu.cpp.link.option.debugging.gprof.347759537" name="Generate gprof information (-pg)" superClass="gnu.cpp.link.option.debugging.gprof" value="false" valueType="boolean"/>
+								<inputType id="cdt.managedbuild.tool.gnu.cpp.linker.input.2011514805" superClass="cdt.managedbuild.tool.gnu.cpp.linker.input">
+									<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
+									<additionalInput kind="additionalinput" paths="$(LIBS)"/>
+								</inputType>
+							</tool>
+							<tool command="as" id="cdt.managedbuild.tool.gnu.assembler.exe.debug.1883832395" name="GCC Assembler" superClass="cdt.managedbuild.tool.gnu.assembler.exe.debug">
+								<option id="gnu.both.asm.option.include.paths.241845674" name="Include paths (-I)" superClass="gnu.both.asm.option.include.paths" valueType="includePath">
+									<listOptionValue builtIn="false" value="/opt/systemc-2.3.0/include"/>
+									<listOptionValue builtIn="false" value="&quot;${workspace_loc:/dram/dram/src}&quot;"/>
+									<listOptionValue builtIn="false" value="/opt/gmock-1.7.0/include"/>
+									<listOptionValue builtIn="false" value="../dram/dram/src"/>
+								</option>
+								<inputType id="cdt.managedbuild.tool.gnu.assembler.input.1234202782" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
+							</tool>
+						</toolChain>
+					</folderInfo>
+					<sourceEntries>
+						<entry excluding="testing|src" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src/common"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src/core"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src/scheduler"/>
+						<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src/simulation"/>
+					</sourceEntries>
+				</configuration>
+			</storageModule>
+			<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+		</cconfiguration>
 	</storageModule>
 	<storageModule moduleId="cdtBuildSystem" version="4.0.0">
 		<project id="DRAM.cdt.managedbuild.target.gnu.exe.355512678" name="Executable" projectType="cdt.managedbuild.target.gnu.exe"/>
diff --git a/dram/.settings/language.settings.xml b/dram/.settings/language.settings.xml
index 127cd8ac..d60268a9 100644
--- a/dram/.settings/language.settings.xml
+++ b/dram/.settings/language.settings.xml
@@ -10,4 +10,14 @@
 			</provider>
 		</extension>
 	</configuration>
+	<configuration id="cdt.managedbuild.config.gnu.exe.debug.513647443.1530924826" name="release-simulation">
+		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-2055719358" id="org.eclipse.cdt.managedbuilder.core.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings" parameter="${COMMAND} -E -P -v -dD &quot;${INPUTS}&quot; -std=c++11">
+				<language-scope id="org.eclipse.cdt.core.gcc"/>
+				<language-scope id="org.eclipse.cdt.core.g++"/>
+			</provider>
+		</extension>
+	</configuration>
 </project>
diff --git a/dram/resources/configs/memconfigs/memconfig.xml b/dram/resources/configs/memconfigs/memconfig.xml
index c1dc5677..e21c26b4 100644
--- a/dram/resources/configs/memconfigs/memconfig.xml
+++ b/dram/resources/configs/memconfigs/memconfig.xml
@@ -1,10 +1,10 @@
 <memspec>
   <memconfig>
-    <parameter id="bankwiseLogic" type="bool" value="0" />
+    <parameter id="bankwiseLogic" type="bool" value="1" />
     <parameter id="openPagePolicy" type="bool" value="1" />
     <parameter id="adaptiveOpenPagePolicy" type="bool" value="0" />
     <parameter id="refreshAwareScheduling" type="bool" value="0" />
-    <parameter id="maxNrOfTransactionsInDram" type="uint" value="1" />
+    <parameter id="maxNrOfTransactionsInDram" type="uint" value="50" />
     <parameter id="scheduler" type="string" value="FR_FCFS" />
     <parameter id="capsize" type="uint" value="5" />
   </memconfig>
diff --git a/dram/src/common/DebugManager.cpp b/dram/src/common/DebugManager.cpp
index 819c9195..f0f4b3b7 100644
--- a/dram/src/common/DebugManager.cpp
+++ b/dram/src/common/DebugManager.cpp
@@ -9,14 +9,9 @@
 
 using namespace std;
 
-DebugManager& DebugManager::getInstance()
-{
-	static DebugManager manager;
-	return manager;
-}
-
 void DebugManager::printDebugMessage(string sender, string message)
 {
+#ifndef NDEBUG
 	if (whiteList.count(sender))
 	{
 		if (writeToConsole)
@@ -25,6 +20,7 @@ void DebugManager::printDebugMessage(string sender, string message)
 		if (writeToFile)
 			debugFile << " at " << sc_time_stamp() << " in " << sender << "\t: " << message << "\n";
 	}
+#endif
 }
 
 void DebugManager::addToWhiteList(string sender)
diff --git a/dram/src/common/DebugManager.h b/dram/src/common/DebugManager.h
index 0e82c1e8..e1d6f9cd 100644
--- a/dram/src/common/DebugManager.h
+++ b/dram/src/common/DebugManager.h
@@ -16,7 +16,11 @@ class DebugManager
 {
 public:
 	~DebugManager();
-	static DebugManager& getInstance();
+	static inline DebugManager& getInstance()
+	{
+		static DebugManager manager;
+		return manager;
+	}
 
 	bool writeToConsole;
 	bool writeToFile;
diff --git a/dram/src/common/Utils.cpp b/dram/src/common/Utils.cpp
index c6e6a757..5c459204 100644
--- a/dram/src/common/Utils.cpp
+++ b/dram/src/common/Utils.cpp
@@ -29,9 +29,9 @@ unsigned int queryUIntParameter(XMLElement* node, string name)
 	{
 		if (element->Attribute("id") == name)
 		{
-			assert(!strcmp(element->Attribute("type"), "uint"));
+			sc_assert(!strcmp(element->Attribute("type"), "uint"));
 			XMLError error = element->QueryIntAttribute("value", &result);
-			assert(!error);
+			sc_assert(!error);
 			return result;
 		}
 	}
@@ -63,9 +63,9 @@ double queryDoubleParameter(XMLElement* node, string name)
 	{
 		if (element->Attribute("id") == name)
 		{
-			assert(!strcmp(element->Attribute("type"), "double"));
+			sc_assert(!strcmp(element->Attribute("type"), "double"));
 			XMLError error = element->QueryDoubleAttribute("value", &result);
-			assert(!error);
+			sc_assert(!error);
 			return result;
 		}
 	}
@@ -83,9 +83,9 @@ bool queryBoolParameter(XMLElement* node, string name)
 	{
 		if (element->Attribute("id") == name)
 		{
-			assert(!strcmp(element->Attribute("type"), "bool"));
+			sc_assert(!strcmp(element->Attribute("type"), "bool"));
 			XMLError error = element->QueryBoolAttribute("value", &result);
-			assert(!error);
+			sc_assert(!error);
 			return result;
 		}
 	}
diff --git a/dram/src/common/dramExtension.cpp b/dram/src/common/dramExtension.cpp
index 46c59eee..0259c5ab 100644
--- a/dram/src/common/dramExtension.cpp
+++ b/dram/src/common/dramExtension.cpp
@@ -1,5 +1,4 @@
 #include "dramExtension.h"
-#include <assert.h>
 #include "../core/configuration/Configuration.h"
 #include "map"
 
@@ -12,10 +11,8 @@ DramExtension& DramExtension::getExtension(const tlm_generic_payload *payload)
 {
 	DramExtension *result = NULL;
 	payload->get_extension(result);
-	if(result == NULL)
-	{
-		SC_REPORT_FATAL("DRAM Extension","Extension is null.");
-	}
+	sc_assert(result!=NULL);
+
 	return *result;
 }
 
@@ -55,7 +52,7 @@ BankGroup Bank::getBankGroup()
 	if (bankgroups.size() == 0)
 	{
 		core::Configuration& config = core::Configuration::getInstance();
-		SC_ASSERT_(config.NumberOfBanks % config.NumberOfBankGroups == 0, "Number of banks must be a multiple of number of bankgroups");
+		sc_assert(config.NumberOfBanks % config.NumberOfBankGroups == 0);
 
 		for (unsigned int bank = 0; bank < config.NumberOfBanks; bank++)
 		{
diff --git a/dram/src/common/third_party/tinyxml2.h b/dram/src/common/third_party/tinyxml2.h
index 0c764e9a..c8a69e47 100644
--- a/dram/src/common/third_party/tinyxml2.h
+++ b/dram/src/common/third_party/tinyxml2.h
@@ -81,7 +81,7 @@ distribution.
 #       define TIXMLASSERT( x )           if ( !(x)) { __debugbreak(); } //if ( !(x)) WinDebugBreak()
 #   elif defined (ANDROID_NDK)
 #       include <android/log.h>
-#       define TIXMLASSERT( x )           if ( !(x)) { __android_log_assert( "assert", "grinliz", "ASSERT in '%s' at %d.", __FILE__, __LINE__ ); }
+#       define TIXMLASSERT( x )           if ( !(x)) { __android_log_assert( "assert", "grinliz", "assert in '%s' at %d.", __FILE__, __LINE__ ); }
 #   else
 #       include <assert.h>
 #       define TIXMLASSERT                assert
diff --git a/dram/src/common/xmlAddressdecoder.cpp b/dram/src/common/xmlAddressdecoder.cpp
index 7271b39c..1964a4a8 100644
--- a/dram/src/common/xmlAddressdecoder.cpp
+++ b/dram/src/common/xmlAddressdecoder.cpp
@@ -69,7 +69,7 @@ xmlAddressDecoder::xmlAddressDecoder(string addressConfigURI)
 	}
 	else
 	{
-		SC_REPORT_ERROR("xmlAddressDecoder can not find ", addressConfigURI.c_str());
+		SC_REPORT_FATAL("xmlAddressDecoder can not find ", addressConfigURI.c_str());
 	}
 }
 
diff --git a/dram/src/core/ControllerCore.cpp b/dram/src/core/ControllerCore.cpp
index 86abdbd9..1892159f 100644
--- a/dram/src/core/ControllerCore.cpp
+++ b/dram/src/core/ControllerCore.cpp
@@ -13,6 +13,7 @@
 #include "scheduling/checker/ReadChecker.h"
 #include "scheduling/checker/WriteChecker.h"
 #include "scheduling/checker/RefreshChecker.h"
+#include "scheduling/checker/PowerDownChecker.h"
 #include "refresh/RefreshManagerBankwise.h"
 #include "refresh/RefreshManager.h"
 #include "../common/dramExtension.h"
@@ -39,6 +40,12 @@ ControllerCore::ControllerCore(IWrapperConnector& wrapperConnector, std::map<Ban
 	commandChecker[Command::WriteA] = commandChecker[Command::Write];
 
 	commandChecker[Command::AutoRefresh] = new RefreshChecker(config, state);
+	commandChecker[Command::PDNA] = new PowerDownChecker(config, state);
+	commandChecker[Command::PDNP] = commandChecker[Command::PDNA];
+	commandChecker[Command::SREF] = commandChecker[Command::PDNA];
+	commandChecker[Command::PDNAX] = commandChecker[Command::PDNA];
+	commandChecker[Command::PDNPX] = commandChecker[Command::PDNA];
+	commandChecker[Command::SREFX] = commandChecker[Command::PDNA];
 
 	if (config.BankwiseLogic)
 	{
@@ -59,6 +66,7 @@ ControllerCore::~ControllerCore()
 	delete commandChecker[Command::Read];
 	delete commandChecker[Command::Write];
 	delete commandChecker[Command::AutoRefresh];
+	delete commandChecker[Command::PDNA];
 	delete refreshManager;
 	delete powerDownManager;
 }
@@ -128,13 +136,14 @@ bool ControllerCore::isBusy(sc_time time, Bank bank)
 	{
 		return (time < lastScheduledCommand.getEnd());
 	}
-	else if (lastScheduledCommand.commandIsIn( { Command::SREFX, Command::PDNPX, Command::PDNAX }))
+	else if (lastScheduledCommand.commandIsIn( { Command::SREFX, Command::PDNPX, Command::PDNAX, Command::SREF, Command::PDNP,
+			Command::PDNA }))
 	{
 		return false;
 	}
 	else
 	{
-		SC_ASSERT_(false, "last command in command sequence was activate or precharge");
+		SC_REPORT_FATAL("Core", "Last command in command sequence was activate or precharge. This really doesn't make sense :D.");
 		return false;
 	}
 
diff --git a/dram/src/core/TimingCalculation.cpp b/dram/src/core/TimingCalculation.cpp
index 643b02a7..89fb83d5 100644
--- a/dram/src/core/TimingCalculation.cpp
+++ b/dram/src/core/TimingCalculation.cpp
@@ -86,7 +86,6 @@ sc_time getExecutionTime(Command command,tlm::tlm_generic_payload& payload)
 	}
 	else if(command == Command::PDNA || command == Command::PDNP)
 	{
-		assert(config.tCKE == config.clk * 3);
 		return config.tCKE;
 	}
 	else if(command == Command::SREF)
diff --git a/dram/src/core/configuration/MemSpecLoader.cpp b/dram/src/core/configuration/MemSpecLoader.cpp
index 3f931833..7468aaf8 100644
--- a/dram/src/core/configuration/MemSpecLoader.cpp
+++ b/dram/src/core/configuration/MemSpecLoader.cpp
@@ -91,7 +91,9 @@ void MemSpecLoader::loadDDR4(Configuration& config, XMLElement* memspec)
 	config.Timings.tCKESR = clk * queryUIntParameter(timings, "CKESR");
 	config.Timings.tCKE = clk * queryUIntParameter(timings, "CKE");
 	config.Timings.tXP = clk * queryUIntParameter(timings, "XP");
+	config.Timings.tXPDLL = clk * queryUIntParameter(timings, "XPDLL");
 	config.Timings.tXSR = clk * queryUIntParameter(timings, "XS");
+	config.Timings.tXSRDLL = clk * queryUIntParameter(timings, "XSDLL");
 	config.Timings.tAL = clk * queryUIntParameter(timings, "AL");
 	config.Timings.tRFC = clk * queryUIntParameter(timings, "RFC");
 	config.Timings.tREFI = clk * queryUIntParameter(timings, "REFI");
@@ -140,7 +142,9 @@ void MemSpecLoader::loadWideIO(Configuration& config, XMLElement* memspec)
 	config.Timings.tCKESR = clk * queryUIntParameter(timings, "CKESR");
 	config.Timings.tCKE = clk * queryUIntParameter(timings, "CKE");
 	config.Timings.tXP = clk * queryUIntParameter(timings, "XP");
+	config.Timings.tXPDLL = config.Timings.tXP;
 	config.Timings.tXSR = clk * queryUIntParameter(timings, "XS");
+	config.Timings.tXSRDLL = config.Timings.tXSR;
 	config.Timings.tAL = clk * queryUIntParameter(timings, "AL");
 	config.Timings.tRFC = clk * queryUIntParameter(timings, "RFC");
 	config.Timings.tREFI = clk * queryUIntParameter(timings, "REFI");
diff --git a/dram/src/core/configuration/TimingConfiguration.h b/dram/src/core/configuration/TimingConfiguration.h
index 64c336ed..7bac0d9a 100644
--- a/dram/src/core/configuration/TimingConfiguration.h
+++ b/dram/src/core/configuration/TimingConfiguration.h
@@ -46,7 +46,9 @@ struct TimingConfiguration
 	sc_time tCKESR;		//min time in sref
 	sc_time tCKE;		//min time in pdna or pdnp
 	sc_time tXP;		//min delay to row access command after pdnpx pdnax
+	sc_time tXPDLL;		//min delay to row access command after pdnpx pdnax for dll commands
 	sc_time tXSR;		//min delay to row access command after srefx
+	sc_time tXSRDLL;	//min delay to row access command after srefx for dll commands
 	sc_time tAL;		//additive delay (delayed execution in dram)
 
 	sc_time tRFC;		//min ref->act delay
diff --git a/dram/src/core/powerdown/PowerDownManager.cpp b/dram/src/core/powerdown/PowerDownManager.cpp
index 431e8501..0b480dd8 100644
--- a/dram/src/core/powerdown/PowerDownManager.cpp
+++ b/dram/src/core/powerdown/PowerDownManager.cpp
@@ -59,11 +59,11 @@ void PowerDownManager::sleep(Bank bank, sc_time time)
 		}
 	}
 
-	ScheduledCommand pdn(IPowerDownManager::getSleepCommand(state), time,
-			getExecutionTime(IPowerDownManager::getSleepCommand(state), powerDownPayloads[bank]),
+	Command cmd = IPowerDownManager::getSleepCommand(state);
+	ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]),
 			DramExtension::getExtension(powerDownPayloads[bank]));
 
-	controller.state.bus.moveCommandToNextFreeSlot(pdn);
+	controller.getCommandChecker(cmd).delayToSatisfyConstraints(pdn);
 
 	if (state != PowerDownState::PDNSelfRefresh && controller.refreshManager->hasCollision(pdn))
 	{
@@ -71,7 +71,7 @@ void PowerDownManager::sleep(Bank bank, sc_time time)
 	}
 	else
 	{
-		setState(state);
+		setPowerDownState(state);
 		sendPowerDownPayloads(pdn);
 	}
 }
@@ -80,33 +80,19 @@ void PowerDownManager::wakeUp(Bank bank, sc_time time)
 {
 	if (isAwakeForRefresh()) //Request enters system during Refresh
 	{
-		setState(PowerDownState::Awake);
+		setPowerDownState(PowerDownState::Awake);
 	}
 	else if (isInPowerDown()) //Request wakes up power down
 	{
-		sc_time startOfExitCommand(SC_ZERO_TIME);
-		switch (powerDownState)
-		{
-			case PowerDownState::PDNActive:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::PDNA).getEnd());
-				break;
-			case PowerDownState::PDNPrecharge:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::PDNP).getEnd());
-				break;
-			case PowerDownState::PDNSelfRefresh:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::SREF).getEnd());
-				controller.refreshManager->reInitialize(bank,
-						startOfExitCommand + getExecutionTime(Command::SREFX, powerDownPayloads[bank]));
-				break;
-			default:
-				break;
-		}
-
 		Command cmd = IPowerDownManager::getWakeUpCommand(powerDownState);
-		ScheduledCommand pdn(cmd, startOfExitCommand, getExecutionTime(cmd, powerDownPayloads[bank]),
+		ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]),
 				DramExtension::getExtension(powerDownPayloads[bank]));
+		controller.getCommandChecker(cmd).delayToSatisfyConstraints(pdn);
 
-		setState(PowerDownState::Awake);
+		if (cmd == Command::SREFX)
+			controller.refreshManager->reInitialize(bank, pdn.getEnd());
+
+		setPowerDownState(PowerDownState::Awake);
 		sendPowerDownPayloads(pdn);
 	}
 }
@@ -119,7 +105,7 @@ void PowerDownManager::wakeUpForRefresh(Bank bank, sc_time time)
 		ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]),
 				DramExtension::getExtension(powerDownPayloads[bank]));
 
-		setState(PowerDownState::AwakeForRefresh);
+		setPowerDownState(PowerDownState::AwakeForRefresh);
 		sendPowerDownPayloads(pdn);
 	}
 }
@@ -137,7 +123,7 @@ void PowerDownManager::sendPowerDownPayloads(ScheduledCommand& cmd)
 	}
 }
 
-void PowerDownManager::setState(PowerDownState state)
+void PowerDownManager::setPowerDownState(PowerDownState state)
 {
 	powerDownState = state;
 	DebugManager::getInstance().printDebugMessage(PowerDownManagerBankwise::senderName,
diff --git a/dram/src/core/powerdown/PowerDownManager.h b/dram/src/core/powerdown/PowerDownManager.h
index d7a25b5f..82a969c6 100644
--- a/dram/src/core/powerdown/PowerDownManager.h
+++ b/dram/src/core/powerdown/PowerDownManager.h
@@ -31,7 +31,7 @@ private:
 
 	bool isInPowerDown();
 
-	void setState(PowerDownState state);
+	void setPowerDownState(PowerDownState state);
 	bool canSleep();
 	bool isAwakeForRefresh();
 	std::map<Bank, tlm::tlm_generic_payload> powerDownPayloads;
diff --git a/dram/src/core/powerdown/PowerDownManagerBankwise.cpp b/dram/src/core/powerdown/PowerDownManagerBankwise.cpp
index 0b7ea60a..c1480df3 100644
--- a/dram/src/core/powerdown/PowerDownManagerBankwise.cpp
+++ b/dram/src/core/powerdown/PowerDownManagerBankwise.cpp
@@ -53,8 +53,9 @@ void PowerDownManagerBankwise::sleep(Bank bank, sc_time time)
 		}
 	}
 
-	ScheduledCommand pdn(IPowerDownManager::getSleepCommand(state), time, minTime, DramExtension::getExtension(payload));
-	controller.state.bus.moveCommandToNextFreeSlot(pdn);
+	Command cmd = IPowerDownManager::getSleepCommand(state);
+	ScheduledCommand pdn(cmd, time, minTime, DramExtension::getExtension(payload));
+	controller.getCommandChecker(cmd).delayToSatisfyConstraints(pdn);
 
 	if (state != PowerDownState::PDNSelfRefresh && controller.refreshManager->hasCollision(pdn))
 	{
@@ -76,27 +77,13 @@ void PowerDownManagerBankwise::wakeUp(Bank bank, sc_time time)
 	else if (isInPowerDown(bank))
 	{
 		//Request wakes up power down
-		sc_time startOfExitCommand(SC_ZERO_TIME);
-		switch (powerDownStates[bank])
-		{
-			case PowerDownState::PDNActive:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::PDNA).getEnd());
-				break;
-			case PowerDownState::PDNPrecharge:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::PDNP).getEnd());
-				break;
-			case PowerDownState::PDNSelfRefresh:
-				startOfExitCommand = max(time, controller.state.getLastCommand(Command::SREF).getEnd());
-				controller.refreshManager->reInitialize(bank,
-						startOfExitCommand + getExecutionTime(Command::SREFX, powerDownPayloads[bank]));
-				break;
-			default:
-				break;
-		}
-
 		Command cmd = IPowerDownManager::getWakeUpCommand(powerDownStates[bank]);
-		ScheduledCommand pdn(cmd, startOfExitCommand, getExecutionTime(cmd, powerDownPayloads[bank]),
+		ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]),
 				DramExtension::getExtension(powerDownPayloads[bank]));
+		controller.getCommandChecker(cmd).delayToSatisfyConstraints(pdn);
+
+		if (cmd == Command::SREFX)
+			controller.refreshManager->reInitialize(bank, pdn.getEnd());
 
 		setState(PowerDownState::Awake, bank);
 		sendPowerDownPayload(pdn);
@@ -108,7 +95,8 @@ void PowerDownManagerBankwise::wakeUpForRefresh(Bank bank, sc_time time)
 	if (isInPowerDown(bank))
 	{
 		Command cmd = IPowerDownManager::getWakeUpCommand(powerDownStates[bank]);
-		ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]), DramExtension::getExtension(powerDownPayloads[bank]));
+		ScheduledCommand pdn(cmd, time, getExecutionTime(cmd, powerDownPayloads[bank]),
+				DramExtension::getExtension(powerDownPayloads[bank]));
 
 		setState(PowerDownState::AwakeForRefresh, bank);
 		sendPowerDownPayload(pdn);
diff --git a/dram/src/core/scheduling/checker/ActivateChecker.cpp b/dram/src/core/scheduling/checker/ActivateChecker.cpp
index 3ad821df..f949bf2e 100644
--- a/dram/src/core/scheduling/checker/ActivateChecker.cpp
+++ b/dram/src/core/scheduling/checker/ActivateChecker.cpp
@@ -19,8 +19,8 @@ namespace core {
 void ActivateChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 {
 	sc_assert(command.getCommand() == Command::Activate);
-	ScheduledCommand lastCommandOnBank = state.getLastScheduledCommand(command.getBank());
 
+	ScheduledCommand lastCommandOnBank = state.getLastScheduledCommand(command.getBank());
 	if (lastCommandOnBank.isValidCommand())
 	{
 		if (isIn(lastCommandOnBank.getCommand(), { Command::Precharge, Command::AutoRefresh,
diff --git a/dram/src/core/scheduling/checker/PowerDownChecker.cpp b/dram/src/core/scheduling/checker/PowerDownChecker.cpp
new file mode 100644
index 00000000..0acec216
--- /dev/null
+++ b/dram/src/core/scheduling/checker/PowerDownChecker.cpp
@@ -0,0 +1,44 @@
+/*
+ * PowerDownChecker.cpp
+ *
+ *  Created on: Apr 11, 2014
+ *      Author: jonny
+ */
+
+#include "PowerDownChecker.h"
+
+namespace core {
+void PowerDownChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
+{
+	sc_assert(
+			command.commandIsIn(
+					{ Command::SREF, Command::PDNA, Command::PDNP, Command::PDNAX, Command::PDNPX, Command::SREFX }));
+
+	if (command.commandIsIn( { Command::SREF, Command::PDNA, Command::PDNP }))
+	{
+		ScheduledCommand lastCommandOnBank = state.getLastScheduledCommand(command.getBank());
+
+		if (lastCommandOnBank.isValidCommand()
+				&& lastCommandOnBank.commandIsIn( { Command::Read, Command::ReadA, Command::WriteA }))
+		{
+			command.delayToMeetConstraint(lastCommandOnBank.getEnd(), config.Timings.clk);
+		}
+	}
+	else if (command.getCommand() == Command::PDNAX)
+	{
+		command.delayToMeetConstraint(state.getLastCommand(Command::PDNA).getStart(), config.Timings.tCKE);
+	}
+	else if (command.getCommand() == Command::PDNPX)
+	{
+		command.delayToMeetConstraint(state.getLastCommand(Command::PDNP).getStart(), config.Timings.tCKE);
+	}
+	else if (command.getCommand() == Command::SREFX)
+	{
+		command.delayToMeetConstraint(state.getLastCommand(Command::SREF).getStart(), config.Timings.tCKESR);
+	}
+
+	state.bus.moveCommandToNextFreeSlot(command);
+}
+
+} /* namespace core */
+
diff --git a/dram/src/core/scheduling/checker/PowerDownChecker.h b/dram/src/core/scheduling/checker/PowerDownChecker.h
new file mode 100644
index 00000000..24784d13
--- /dev/null
+++ b/dram/src/core/scheduling/checker/PowerDownChecker.h
@@ -0,0 +1,38 @@
+/*
+ * PowerDownChecker.h
+ *
+ *  Created on: Apr 11, 2014
+ *      Author: jonny
+ */
+
+#ifndef POWERDOWNCHECKER_H_
+#define POWERDOWNCHECKER_H_
+
+#include "../../ControllerState.h"
+#include "../../configuration/Configuration.h"
+#include "ICommandChecker.h"
+#include <systemc>
+
+namespace core {
+
+class PowerDownChecker : public ICommandChecker
+{
+public:
+	PowerDownChecker(const Configuration& config, ControllerState& state) :
+			config(config), state(state)
+	{
+	}
+	virtual ~PowerDownChecker()
+	{
+	}
+
+	virtual void delayToSatisfyConstraints(ScheduledCommand& command) const override;
+
+private:
+	const Configuration& config;
+	ControllerState& state;
+};
+
+} /* namespace core */
+
+#endif /* POWERDOWNCHECKER_H_ */
diff --git a/dram/src/core/scheduling/checker/PrechargeAllChecker.cpp b/dram/src/core/scheduling/checker/PrechargeAllChecker.cpp
index 780462a6..2a0d93d4 100644
--- a/dram/src/core/scheduling/checker/PrechargeAllChecker.cpp
+++ b/dram/src/core/scheduling/checker/PrechargeAllChecker.cpp
@@ -43,7 +43,6 @@ void PrechargeAllChecker::delayToSatisfyConstraints(ScheduledCommand& command) c
 			}
 			else if (lastCommand.commandIsIn( { Command::ReadA, Command::AutoRefresh }))
 			{
-
 				command.delayToMeetConstraint(lastCommand.getEnd(), SC_ZERO_TIME);
 			}
 			else
diff --git a/dram/src/core/scheduling/checker/PrechargeChecker.cpp b/dram/src/core/scheduling/checker/PrechargeChecker.cpp
index a365f7d0..b3bff928 100644
--- a/dram/src/core/scheduling/checker/PrechargeChecker.cpp
+++ b/dram/src/core/scheduling/checker/PrechargeChecker.cpp
@@ -12,9 +12,7 @@ namespace core {
 
 void PrechargeChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 {
-	sc_assert(
-			command.getCommand() == Command::Precharge
-					|| command.getCommand() == Command::PrechargeAll);
+	sc_assert(command.getCommand() == Command::Precharge);
 
 	ScheduledCommand lastCommand = state.getLastScheduledCommand(command.getBank());
 
@@ -23,7 +21,7 @@ void PrechargeChecker::delayToSatisfyConstraints(ScheduledCommand& command) cons
 		if (lastCommand.getCommand() == Command::Read)
 		{
 			command.delayToMeetConstraint(lastCommand.getStart(),
-					max(config.Timings.tRTP , lastCommand.getIntervalOnDataStrobe().getLength()));
+					max(config.Timings.tRTP, lastCommand.getIntervalOnDataStrobe().getLength()));
 		}
 		else if (lastCommand.getCommand() == Command::Write)
 		{
@@ -31,11 +29,10 @@ void PrechargeChecker::delayToSatisfyConstraints(ScheduledCommand& command) cons
 		}
 		else if (lastCommand.getCommand() == Command::PDNAX)
 		{
-			command.delayToMeetConstraint(lastCommand.getEnd(), config.Timings.tXP);//TODO right?
+			command.delayToMeetConstraint(lastCommand.getEnd(), config.Timings.tXP);
 		}
 		else
-			reportFatal("Precharge Checker",
-					"Precharge can not follow " + commandToString(lastCommand.getCommand()));
+			reportFatal("Precharge Checker", "Precharge can not follow " + commandToString(lastCommand.getCommand()));
 	}
 
 	state.bus.moveCommandToNextFreeSlot(command);
diff --git a/dram/src/core/scheduling/checker/ReadChecker.cpp b/dram/src/core/scheduling/checker/ReadChecker.cpp
index 6536904a..52d5879b 100644
--- a/dram/src/core/scheduling/checker/ReadChecker.cpp
+++ b/dram/src/core/scheduling/checker/ReadChecker.cpp
@@ -13,7 +13,9 @@ namespace core {
 
 void ReadChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 {
-	assert(command.getCommand() == Command::Read || command.getCommand() == Command::ReadA);
+	sc_assert(command.getCommand() == Command::Read || command.getCommand() == Command::ReadA);
+
+	delayToSatisfyDLL(command);
 
 	ScheduledCommand lastCommand = state.getLastScheduledCommand(command.getBank());
 
@@ -27,9 +29,9 @@ void ReadChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 				|| lastCommand.getCommand() == Command::Write)
 		{
 		}
-		else if (lastCommand.getCommand() == Command::PDNAX)
+		else if (lastCommand.getCommand() == Command::PDNAX || lastCommand.getCommand() == Command::PDNPX)
 		{
-			command.delayToMeetConstraint(lastCommand.getStart(), config.Timings.tXP);//TODO DLL also for PDNP and SREF .. not onyl last command
+			command.delayToMeetConstraint(lastCommand.getStart(), config.Timings.tXP);//TODO DLL ??
 		}
 		else
 			reportFatal("Read Checker",
@@ -42,6 +44,7 @@ void ReadChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 	}
 }
 
+
 bool ReadChecker::collidesOnDataStrobe(ScheduledCommand& read) const
 {
 	for (ScheduledCommand& strobeCommand : state.lastDataStrobeCommands)
@@ -97,4 +100,12 @@ bool ReadChecker::collidesWithStrobeCommand(ScheduledCommand& read,
 	}
 }
 
+void ReadChecker::delayToSatisfyDLL(ScheduledCommand& read) const
+{
+	ScheduledCommand lastSREFX = state.getLastCommand(Command::SREFX, read.getBank());
+	if(lastSREFX.isValidCommand())
+		read.delayToMeetConstraint(lastSREFX.getStart(), config.Timings.tXSRDLL);
+}
+
 } /* namespace controller */
+
diff --git a/dram/src/core/scheduling/checker/ReadChecker.h b/dram/src/core/scheduling/checker/ReadChecker.h
index 58af651e..78508a79 100644
--- a/dram/src/core/scheduling/checker/ReadChecker.h
+++ b/dram/src/core/scheduling/checker/ReadChecker.h
@@ -25,6 +25,8 @@ public:
 private:
 	const Configuration& config;
 	ControllerState& state;
+
+	void delayToSatisfyDLL(ScheduledCommand& read) const;
 	bool collidesOnDataStrobe(ScheduledCommand& read) const;
 	bool collidesWithStrobeCommand(ScheduledCommand& read, ScheduledCommand& strobeCommand) const;
 };
diff --git a/dram/src/core/scheduling/checker/WriteChecker.cpp b/dram/src/core/scheduling/checker/WriteChecker.cpp
index ad8f86ac..36b946c1 100644
--- a/dram/src/core/scheduling/checker/WriteChecker.cpp
+++ b/dram/src/core/scheduling/checker/WriteChecker.cpp
@@ -13,7 +13,7 @@ namespace core {
 
 void WriteChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 {
-	assert(command.getCommand() == Command::Write || command.getCommand() == Command::WriteA);
+	sc_assert(command.getCommand() == Command::Write || command.getCommand() == Command::WriteA);
 
 	ScheduledCommand lastCommand = state.getLastScheduledCommand(command.getBank());
 
@@ -23,8 +23,7 @@ void WriteChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 		{
 			command.delayToMeetConstraint(lastCommand.getEnd(), SC_ZERO_TIME);
 		}
-		else if (lastCommand.getCommand() == Command::Read
-				|| lastCommand.getCommand() == Command::Write)
+		else if (lastCommand.getCommand() == Command::Read || lastCommand.getCommand() == Command::Write)
 		{
 
 		}
@@ -33,8 +32,7 @@ void WriteChecker::delayToSatisfyConstraints(ScheduledCommand& command) const
 			command.delayToMeetConstraint(lastCommand.getStart(), config.Timings.tXP);
 		}
 		else
-			reportFatal("Write Checker",
-					"Write can not follow " + commandToString(lastCommand.getCommand()));
+			reportFatal("Write Checker", "Write can not follow " + commandToString(lastCommand.getCommand()));
 	}
 
 	while (!state.bus.isFree(command.getStart()) || collidesOnDataStrobe(command))
@@ -54,12 +52,10 @@ bool WriteChecker::collidesOnDataStrobe(ScheduledCommand& write) const
 	return false;
 }
 
-bool WriteChecker::collidesWithStrobeCommand(ScheduledCommand& write,
-		ScheduledCommand& strobeCommand) const
+bool WriteChecker::collidesWithStrobeCommand(ScheduledCommand& write, ScheduledCommand& strobeCommand) const
 {
 	//write to write
-	if (strobeCommand.getCommand() == Command::Write
-			|| strobeCommand.getCommand() == Command::WriteA)
+	if (strobeCommand.getCommand() == Command::Write || strobeCommand.getCommand() == Command::WriteA)
 	{
 		bool collision = write.collidesOnDataStrobe(strobeCommand);
 
@@ -70,8 +66,7 @@ bool WriteChecker::collidesWithStrobeCommand(ScheduledCommand& write,
 
 		return collision || casToCas;
 	}
-	else if (strobeCommand.getCommand() == Command::Read
-			|| strobeCommand.getCommand() == Command::ReadA)
+	else if (strobeCommand.getCommand() == Command::Read || strobeCommand.getCommand() == Command::ReadA)
 	{
 		//write to read
 		if (strobeCommand.getStart() >= write.getStart())
@@ -80,8 +75,7 @@ bool WriteChecker::collidesWithStrobeCommand(ScheduledCommand& write,
 					(write.getBank().getBankGroup() == strobeCommand.getBank().getBankGroup()) ?
 							config.Timings.tWTR_L : config.Timings.tWTR_S;
 
-			return strobeCommand.getStart()
-					< clkAlign(write.getIntervalOnDataStrobe().end, Alignment::DOWN) + tWTR;
+			return strobeCommand.getStart() < clkAlign(write.getIntervalOnDataStrobe().end, Alignment::DOWN) + tWTR;
 		}
 		//read to write
 		else
@@ -92,8 +86,7 @@ bool WriteChecker::collidesWithStrobeCommand(ScheduledCommand& write,
 	else
 	{
 		reportFatal("Write Checker",
-				"Invalid strobeCommand in data strobe commands "
-						+ commandToString(strobeCommand.getCommand()));
+				"Invalid strobeCommand in data strobe commands " + commandToString(strobeCommand.getCommand()));
 		return true;
 	}
 }
diff --git a/dram/src/scheduler/Fr_Fcfs.cpp b/dram/src/scheduler/Fr_Fcfs.cpp
index e59bef5a..3ca88d90 100644
--- a/dram/src/scheduler/Fr_Fcfs.cpp
+++ b/dram/src/scheduler/Fr_Fcfs.cpp
@@ -85,7 +85,7 @@ gp* FR_FCFS::getTransactionForBank(Bank bank)
 
 gp* FR_FCFS::popOldest(Bank bank)
 {
-	assert(hasTransactionForBank(bank));
+	sc_assert(hasTransactionForBank(bank));
 
 	gp* result = buffer[bank].front();
 	buffer[bank].pop_front();
diff --git a/dram/src/scheduler/PARBS.cpp b/dram/src/scheduler/PARBS.cpp
index 7e357870..ba7c88cc 100644
--- a/dram/src/scheduler/PARBS.cpp
+++ b/dram/src/scheduler/PARBS.cpp
@@ -49,7 +49,7 @@ void PAR_BS::schedule(gp* payload)
 
 gp* PAR_BS::getTransactionForBank(Bank bank)
 {
-	assert(hasTransactionForBank(bank));
+	sc_assert(hasTransactionForBank(bank));
 
 	if (batch->isEmpty())
 	{
diff --git a/dram/src/simulation/Controller.h b/dram/src/simulation/Controller.h
index 58aee120..d6bb0c02 100644
--- a/dram/src/simulation/Controller.h
+++ b/dram/src/simulation/Controller.h
@@ -89,7 +89,7 @@ public:
 
 	virtual void send(const ScheduledCommand& command, tlm_generic_payload& payload) override
 	{
-		assert(command.getStart() >= sc_time_stamp());
+		sc_assert(command.getStart() >= sc_time_stamp());
 
 		TimeInterval dataStrobe;
 
@@ -193,7 +193,7 @@ public:
 
 	virtual void send(Trigger trigger, sc_time time, tlm_generic_payload& payload) override
 	{
-		assert(time >= sc_time_stamp());
+		sc_assert(time >= sc_time_stamp());
 
 		sc_time delay = time - sc_time_stamp();
 		if (trigger == Trigger::RefreshTrigger)
@@ -250,6 +250,7 @@ private:
 		printDebugMessage("Triggering schedule next payload on bank " + to_string(bank.ID()));
 		if (scheduler->hasTransactionForBank(bank))
 		{
+			controller->powerDownManager->wakeUp(bank, sc_time_stamp());
 
 			if (controller->isBusy(sc_time_stamp(), bank))
 			{
@@ -257,7 +258,6 @@ private:
 				return;
 			}
 
-			controller->powerDownManager->wakeUp(bank, sc_time_stamp());
 
 			tlm_generic_payload* nextTransaction = scheduler->getTransactionForBank(bank);
 			if (controller->scheduleRequest(sc_time_stamp(), *nextTransaction))
diff --git a/dram/src/simulation/main.cpp b/dram/src/simulation/main.cpp
index 8c67fa28..292f89c9 100644
--- a/dram/src/simulation/main.cpp
+++ b/dram/src/simulation/main.cpp
@@ -82,7 +82,7 @@ int sc_main(int argc, char **argv)
 	DramSetup setup;
 	setup.memconfig = "memconfig.xml";
 	setup.memspec = "MatzesWideIO.xml";
-	//setup.memspec = "MICRON_4Gb_DDR4-1866_8bit_A.xml";
+	setup.memspec = "MICRON_4Gb_DDR4-1866_8bit_A.xml";
 
 	DramSetup setup2;
 	setup2.memconfig = "memconfig.xml";
@@ -95,10 +95,13 @@ int sc_main(int argc, char **argv)
 	//batchTraces(setup, tracePairs);
 	//batchSetups(tracePairs[0], {setup});
 
-	string traceName("tpr.tdb");
+	string traceName("tpr5.tdb");
 
 	string trace2 = "empty.stl";
 	string trace1 = "chstone-jpeg_32.stl";
+	trace1 = "mediabench-adpcmencode_32.stl";
+	//trace1 = "mediabench-h263encode_32.stl";
+
 	//trace1 = "trace.stl";