util/m5/src/SConscript

   1 # Copyright 2020 Google, Inc.
   2 #
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  13 #
  14 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  15 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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  24 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25
  26 import os
  27
  28 Import('*')
  29
  30 # Raw source files.
  31 m5_mmap = 'm5_mmap.c'
  32 m5op = '${VARIANT}/m5op.S'
  33 m5 = 'm5.c'
  34 jni = 'jni_gem5Op.c'
  35 lua = 'lua_gem5Op.c'
  36
  37 #
  38 # The m5 library for use in other C/C++ programs.
  39 #
  40 libm5 = env.StaticLibrary('out/m5', [ m5op, m5_mmap ])
  41
  42
  43 #
  44 # The m5 stand alone command line utility.
  45 #
  46 m5_bin_env = env.Clone()
  47 m5_bin_env.Append(LINKFLAGS=[ '-static' ])
  48 m5_bin = m5_bin_env.Program('out/m5', [ m5, m5_mmap, libm5 ])
  49
  50
  51 # The shared version of the m5 op call sights, used by mutliple targets below.
  52 m5op_shared = env.SharedObject(m5op)
  53
  54 if env['HAVE_JAVA']:
  55     #
  56     # A wrapper to make the m5 ops available in Java through the JNI.
  57     #
  58     java_env = env.Clone()
  59     # SCons provides Java and JavaH builders, but the JavaH builder assumes
  60     # that the javah tool exists. Java has dropped that tool in favor of a -h
  61     # option on javac which the Java builder doesn't know how to use. To get
  62     # around this, we set up our own builder which does the "right thing" here.
  63     java_env.Command([ 'jni_gem5Op.h', 'out/gem5OpJni.jar' ],
  64                      'jni/gem5Op.java',
  65                      [ '${JAVAC} ${JAVACFLAGS} -d ${OUT} ${SOURCES} -h ${CWD}',
  66                        '${JAR} cvf ${TARGETS[1]} ${JNI_DIR}/*.class' ],
  67                      JNI_DIR=Dir('out').Dir('jni'),
  68                      OUT=Dir('out'), CWD=Dir('.'))
  69     # Set include paths to the C headers from the JDK which scons found for us.
  70     java_env.Append(CPPPATH='${JAVAINCLUDES}')
  71     java_env.SharedLibrary('out/gem5OpJni', [ jni, m5op_shared ])
  72
  73
  74 if env['HAVE_LUA51']:
  75     #
  76     # A wrapper to make the m5 ops available in lua version 5.1.
  77     #
  78     lua_env = env.Clone()
  79     # Extract the include paths needed for lua51 using pkg-config.
  80     lua_env.ParseConfig('pkg-config --cflags lua51')
  81     lib = lua_env.SharedLibrary('out/gem5OpLua', [ lua, m5op_shared, m5_mmap ])