Basic SAL files and makefile modifications for adding gem5.

git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1457 8c4709b5-6ec9-48aa-a5cd-a96041d1645a

CMakeLists.txt

@@ -27,13 +27,17 @@ SET(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 include(compilerconfig)
 
 #### #OPTION to configure Bochs/OVP ####
-OPTION(BUILD_OVP    "Build OVP Variant?" OFF) # Defaults to BOCHS  ON
+OPTION( BUILD_OVP    "Build OVP Variant?" OFF) # Defaults to BOCHS  ON
-OPTION(BUILD_BOCHS  "Build Bochs Variant?" ON)
+OPTION( BUILD_GEM5   "Build gem5 Variant?" OFF)
+OPTION( BUILD_BOCHS  "Build Bochs Variant?" ON)
 
 if(BUILD_BOCHS)
   ## add necessary additional header search paths.
   #add_definitions(-I${CMAKE_SOURCE_DIR}/simulators/bochs/instrument/stubs/ -I${CMAKE_SOURCE_DIR}/simulators/bochs)
   include_directories(simulators/bochs/instrument/stubs simulators/bochs)
+elseif(BUILD_GEM5)
+  include_directories(simulators/gem5/src simulators/gem5/build/ARM)
+  add_definitions(-std=c++0x)
 elseif(BUILD_OVP)
   add_subdirectory(simulators/ovp)
 endif(BUILD_BOCHS)
@@ -55,6 +59,7 @@ add_subdirectory(src)
 #### Backend-related build system stuff
 include(bochs)
 include(ovp)
+include(gem5)
 
 ## Just for testing:
 ## Invoking bochs build via external project

cmake/gem5.cmake

@@ -0,0 +1,7 @@
+#### gem5-specific stuff
+if(BUILD_GEM5)
+  message(STATUS "[${PROJECT_NAME}] Building gem5 variant ...")
+  SET(VARIANT gem5)
+  
+  #set(gem5_src_dir ${PROJECT_SOURCE_DIR}/simulators/gem5)
+endif(BUILD_GEM5)

simulators/gem5/build_debug.sh

@@ -0,0 +1 @@
+scons EXTRAS=../../src/core/sal/gem5  --colors build/ARM/gem5.debug -j4

src/core/config/VariantConfig.hpp.in

@@ -3,5 +3,6 @@
 
 #cmakedefine BUILD_OVP
 #cmakedefine BUILD_BOCHS
+#cmakedefine BUILD_GEM5
 
 #endif // __VARIANT_CONFIG_HPP__

src/core/cpn/JobServer.cc

@@ -137,7 +137,7 @@ void JobServer::run()
 	saddr.sin_addr.s_addr = htons(INADDR_ANY);
  
 	/* bind to port */
-	if (bind(s, (struct sockaddr*) &saddr, sizeof(saddr)) == -1) {
+	if (::bind(s, (struct sockaddr*) &saddr, sizeof(saddr)) == -1) {
 		perror("bind");
 		// TODO: Log-level?
 		return;

src/core/sal/CMakeLists.txt

@@ -9,7 +9,7 @@ if(BUILD_BOCHS)
 		bochs/BochsController.cc
 		bochs/BochsListener.cc
 	)
-else()
+elseif(BUILD_OVP)
 	set(SRCS
 		BufferCache.cc
 		Listener.cc
@@ -19,6 +19,16 @@ else()
 		SimulatorController.cc
 		${VARIANT}/OVPController.cc
 	)
+elseif(BUILD_GEM5)
+	set(SRCS
+		BufferCache.cc
+		Listener.cc
+		ListenerManager.cc
+		Memory.cc
+		Register.cc
+		SimulatorController.cc
+		gem5/Gem5Controller.cc
+	)
 endif(BUILD_BOCHS)
 
 add_library(sal ${SRCS})

src/core/sal/SALConfig.hpp

@@ -10,6 +10,8 @@
   #include "bochs/BochsConfig.hpp"
 #elif defined BUILD_OVP
   #include "ovp/OVPConfig.hpp"
+#elif defined BUILD_GEM5
+  #include "gem5/Gem5Config.hpp"
 #else
   #error SAL Config Target not defined
 #endif

src/core/sal/SALInst.hpp

@@ -26,6 +26,17 @@ extern ConcreteSimulatorController simulator; //!< the global simulator-controll
 
 }
 
+#elif defined BUILD_GEM5
+
+#include "gem5/Gem5Controller.hpp"
+
+namespace fail {
+
+typedef Gem5Controller ConcreteSimulatorController; //!< concrete simulator (type)
+extern ConcreteSimulatorController simulator; //!< the global simulator-controller instance
+
+}
+
 #else
 #error SAL Instance not defined
 #endif

src/core/sal/gem5/Gem5Config.hpp

@@ -0,0 +1,22 @@
+/**
+ * \brief Type definitions and configuration settings for
+ *        the gem5 simulator.
+ */
+
+#ifndef __GEM5_CONFIG_HPP__
+  #define __GEM5_CONFIG_HPP__
+
+#include "base/types.hh"
+#include "arch/arm/registers.hh"
+
+namespace fail {
+
+typedef Addr guest_address_t; //!< the guest memory address type
+// TODO: Set Host Address Type
+typedef void*     host_address_t;  //!< the host memory address type
+typedef ArmISA::AnyReg   register_data_t; //!< register data type (32 bit)
+typedef int        timer_t;         //!< type of timer IDs
+
+} // end-of-namespace: fail
+
+#endif // __GEM5_CONFIG_HPP__

src/core/sal/gem5/Gem5Controller.cc

@@ -0,0 +1,7 @@
+
+
+namespace fail {
+
+int     interrupt_to_fire           = -1;
+
+} // end-of-namespace: fail

src/core/sal/gem5/Gem5Controller.hpp

@@ -0,0 +1,19 @@
+#ifndef __GEM5_CONTROLLER_HPP__
+  #define __GEM5_CONTROLLER_HPP__
+
+#include "../SimulatorController.hpp"
+
+namespace fail {
+
+extern int interrupt_to_fire;
+
+class Gem5Controller : public SimulatorController {
+public:
+	virtual void save(const std::string &path);
+	virtual void restore(const std::string &path);
+	virtual void reboot();
+};
+
+} // end-of-namespace: fail
+
+#endif // __GEM_CONTROLLER_HPP__

src/core/sal/gem5/SConscript

@@ -0,0 +1,9 @@
+Import('*')
+
+if env['TARGET_ISA'] == 'no':
+    Return()
+
+env.Append(CPPPATH=Dir('../../../../../src/core/'))
+env.Append(CPPPATH=Dir('../../../../../build/src/core/'))
+
+Source('faildev.cc')

src/core/sal/gem5/faildev.cc

@@ -0,0 +1 @@
+#include "faildev.hh"

src/core/sal/gem5/faildev.hh

@@ -0,0 +1 @@
+#include "../SALInst.hpp"