ARM: Explicitly keep track of the second destination for double loads/stores.

[gem5.git] / src / arch / SConscript

diff --git a/src/arch/SConscript b/src/arch/SConscript
index 74be5f8d1c88f235b5bb9e82e53b3ba1b2b10c39..10ed03c3d5ceff8a788eb53e6d25b496a98e2fec 100644 (file)
--- a/src/arch/SConscript
+++ b/src/arch/SConscript
@@ -28,13 +28,9 @@
 #
 # Authors: Steve Reinhardt
 
-import os.path, sys
+import sys
 
-# Import build environment variable from SConstruct.
-Import('env')
-
-# Right now there are no source files immediately in this directory
-sources = []
+Import('*')
 
 #################################################################
 #
@@ -47,26 +43,29 @@ sources = []
 
 # List of headers to generate
 isa_switch_hdrs = Split('''
-       arguments.hh
-       faults.hh
-       interrupts.hh
-       isa_traits.hh
-       kernel_stats.hh
+        arguments.hh
+        faults.hh
+        interrupts.hh
+       isa.hh
+        isa_traits.hh
+        kernel_stats.hh
         locked_mem.hh
+        microcode_rom.hh
         mmaped_ipr.hh
-       process.hh
-       regfile.hh
-       remote_gdb.hh
-       stacktrace.hh
-       syscallreturn.hh
-       tlb.hh
-       types.hh
-       utility.hh
-       vtophys.hh
+        mt.hh
+        process.hh
+        predecoder.hh
+        registers.hh
+        remote_gdb.hh
+        stacktrace.hh
+        tlb.hh
+        types.hh
+        utility.hh
+        vtophys.hh
         ''')
 
 # Set up this directory to support switching headers
-env.make_switching_dir('arch', isa_switch_hdrs, env)
+make_switching_dir('arch', isa_switch_hdrs, env)
 
 #################################################################
 #
@@ -91,51 +90,43 @@ env.Append(SCANNERS = isa_scanner)
 # output from the ISA description (*.isa) files.
 #
 
-# Convert to File node to fix path
-isa_parser = File('isa_parser.py')
-cpu_models_file = File('../cpu/cpu_models.py')
+# 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):
+    cpu_models = list(env['CPU_MODELS'])
+    if env['USE_CHECKER']:
+        cpu_models.append('CheckerCPU')
 
-# This sucks in the defintions of the CpuModel objects.
-execfile(cpu_models_file.srcnode().abspath)
+    # Several files are generated from the ISA description.
+    # We always get the basic decoder and header file.
+    target = [ 'decoder.cc', 'decoder.hh', 'max_inst_regs.hh' ]
+    # We also get an execute file for each selected CPU model.
+    target += [CpuModel.dict[cpu].filename for cpu in cpu_models]
 
-# Several files are generated from the ISA description.
-# We always get the basic decoder and header file.
-isa_desc_gen_files = Split('decoder.cc decoder.hh')
-# We also get an execute file for each selected CPU model.
-isa_desc_gen_files += [CpuModel.dict[cpu].filename
-                       for cpu in env['CPU_MODELS']]
+    return target, source + [ Value(m) for m in 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]
+ARCH_DIR = Dir('.')
 
-# 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)
+# import ply here because SCons screws with sys.path when performing actions.
+import ply
+
+def isa_desc_action(target, source, env):
+    # Add the current directory to the system path so we can import files
+    sys.path[0:0] = [ ARCH_DIR.srcnode().abspath ]
+    import isa_parser
 
-# Pieces are in place, so create the builder.
-python = sys.executable  # use same Python binary used to run scons
+    models = [ s.get_contents() for s in source[1:] ]
+    cpu_models = [CpuModel.dict[cpu] for cpu in models]
+    parser = isa_parser.ISAParser(target[0].dir.abspath, cpu_models)
+    parser.parse_isa_desc(source[0].abspath)
 
 # 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)
+isa_desc_builder = Builder(action=isa_desc_action, emitter=isa_desc_emitter)
 
 env.Append(BUILDERS = { 'ISADesc' : isa_desc_builder })
 
-#
-# Now include other ISA-specific sources from the ISA subdirectories.
-#
-
-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')
-
-Return('sources')
+TraceFlag('IntRegs')
+TraceFlag('FloatRegs')
+TraceFlag('MiscRegs')
+CompoundFlag('Registers', [ 'IntRegs', 'FloatRegs', 'MiscRegs' ])