Merge zizzer:/bk/newmem

[gem5.git] / src / arch / SConscript

diff --git a/src/arch/SConscript b/src/arch/SConscript
index 9c193207f40607159657b4af9a929f8e804e5213..74be5f8d1c88f235b5bb9e82e53b3ba1b2b10c39 100644 (file)
--- a/src/arch/SConscript
+++ b/src/arch/SConscript
@@ -25,8 +25,10 @@
 # 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.
+#
+# Authors: Steve Reinhardt
 
-import os.path
+import os.path, sys
 
 # Import build environment variable from SConstruct.
 Import('env')
@@ -46,48 +48,25 @@ sources = []
 # List of headers to generate
 isa_switch_hdrs = Split('''
        arguments.hh
-       constants.hh
        faults.hh
+       interrupts.hh
        isa_traits.hh
+       kernel_stats.hh
+        locked_mem.hh
+        mmaped_ipr.hh
        process.hh
        regfile.hh
+       remote_gdb.hh
        stacktrace.hh
+       syscallreturn.hh
        tlb.hh
        types.hh
        utility.hh
        vtophys.hh
         ''')
 
-# Generate the header.  target[0] is the full path of the output
-# header to generate.  'source' is a dummy variable, since we get the
-# list of ISAs from env['ALL_ISA_LIST'].
-def gen_switch_hdr(target, source, env):
-    fname = str(target[0])
-    basename = os.path.basename(fname)
-    f = open(fname, 'w')
-    f.write('#include "arch/isa_specific.hh"\n')
-    cond = '#if'
-    for isa in env['ALL_ISA_LIST']:
-        f.write('%s THE_ISA == %s_ISA\n#include "arch/%s/%s"\n'
-                % (cond, isa.upper(), isa, basename))
-        cond = '#elif'
-    f.write('#else\n#error "THE_ISA not set"\n#endif\n')
-    f.close()
-    return 0
-
-# String to print when generating header
-def gen_switch_hdr_string(target, source, env):
-    return "Generating ISA switch header " + str(target[0])
-
-# Build SCons Action object. 'varlist' specifies env vars that this
-# action depends on; when env['ALL_ISA_LIST'] changes these actions
-# should get re-executed.
-switch_hdr_action = Action(gen_switch_hdr, gen_switch_hdr_string,
-                           varlist=['ALL_ISA_LIST'])
-
-# Instantiate actions for each header
-for hdr in isa_switch_hdrs:
-    env.Command(hdr, [], switch_hdr_action)
+# Set up this directory to support switching headers
+env.make_switching_dir('arch', isa_switch_hdrs, env)
 
 #################################################################
 #
@@ -126,14 +105,27 @@ isa_desc_gen_files = Split('decoder.cc decoder.hh')
 isa_desc_gen_files += [CpuModel.dict[cpu].filename
                        for cpu in env['CPU_MODELS']]
 
+# Also include the CheckerCPU as one of the models if it is being
+# enabled via command line.
+if env['USE_CHECKER']:
+    isa_desc_gen_files += [CpuModel.dict['CheckerCPU'].filename]
+
 # The emitter patches up the sources & targets to include the
 # autogenerated files as targets and isa parser itself as a source.
 def isa_desc_emitter(target, source, env):
     return (isa_desc_gen_files, [isa_parser, cpu_models_file] + source)
 
 # Pieces are in place, so create the builder.
-isa_desc_builder = Builder(action='python2.4 $SOURCES $TARGET.dir $CPU_MODELS',
-                           emitter = isa_desc_emitter)
+python = sys.executable  # use same Python binary used to run scons
+
+# Also include the CheckerCPU as one of the models if it is being
+# enabled via command line.
+if env['USE_CHECKER']:
+    isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS CheckerCPU',
+                               emitter = isa_desc_emitter)
+else:
+    isa_desc_builder = Builder(action=python + ' $SOURCES $TARGET.dir $CPU_MODELS',
+                               emitter = isa_desc_emitter)
 
 env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder })
 
@@ -144,7 +136,6 @@ env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder })
 isa = env['TARGET_ISA'] # someday this may be a list of ISAs
 
 # Let the target architecture define what additional sources it needs
-sources += SConscript(os.path.join(isa, 'SConscript'),
-                      exports = 'env', duplicate = False)
+sources += SConscript(os.path.join(isa, 'SConscript'), exports = 'env')
 
 Return('sources')