Get SPARC to the point that it starts running. Add ability to load the ROM bin files, cleanup lockstep printing a bit

Since we don't have a platform yet, you need to comment out the default responder stuff in Bus.py to make it work.

SConstruct:
    Add TARGET_ISA to the list of environment variables that end up in the build_env for python
configs/common/FSConfig.py:
    add a simple SPARC system to being testing with, you'll need to change makeLinuxAlphaSystem to makeSparcSystem in fs.py for now
src/SConscript:
    add a raw file object, at least until we get more info about how to compile openboot properly
src/arch/sparc/system.cc:
src/arch/sparc/system.hh:
    add parameters for ROM files (OBP/Reset/Hypervisor), a ROM, load files into ROM
src/base/loader/object_file.cc:
src/base/loader/object_file.hh:
    add option to try raw when nothing works
src/cpu/exetrace.cc:
    cleanup lockstep printing a little bit
src/cpu/m5legion_interface.h:
    change the instruction to be 32 bits because it is
src/mem/physical.cc:
    fix assert that doesn't work if memory starts somewhere above 0
src/python/m5/objects/BaseCPU.py:
    Add if statement to choose between sparc tlbs and alpha tlbs
src/python/m5/objects/System.py:
    Add a sparc system that sets the rom addresses correctly
src/python/m5/params.py:
    add the ability to add Addr() together

--HG--
extra : convert_revision : bbbd8a56134f2dda2728091f740e2f7119b0c4af

1 files changed, 21 insertions, 0 deletions

diff --git a/configs/common/FSConfig.py b/configs/common/FSConfig.py
index 05888b10b..546569f30 100644
--- a/configs/common/FSConfig.py
+++ b/configs/common/FSConfig.py
@@ -78,6 +78,27 @@ def makeLinuxAlphaSystem(mem_mode, mdesc = None):
 
     return self
 
+def makeSparcSystem(mem_mode, mdesc = None):
+    self = SparcSystem()
+    if not mdesc:
+        # generic system
+        mdesc = SysConfig()
+    self.readfile = mdesc.script()
+    self.membus = Bus(bus_id=1)
+    self.physmem = PhysicalMemory(range = AddrRange(mdesc.mem()))
+    self.physmem.port = self.membus.port
+    self.rom.port = self.membus.port
+    self.intrctrl = IntrControl()
+    self.mem_mode = mem_mode
+    self.kernel = binary('vmlinux')
+
+    self.reset_bin = binary('reset.bin')
+    self.hypervisor_bin = binary('q.bin')
+    self.openboot_bin = binary('openboot.bin')
+
+    return self
+
+
 def makeDualRoot(testSystem, driveSystem, dumpfile):
     self = Root()
     self.testsys = testSystem