def __init__(self, raw_mem, cpu, traps, cfg):
self.raw_mem = raw_mem
self.ram_size = raw_mem.get_ram_size() * 1024 # in bytes
self.cpu = cpu
self.cpu_type = cfg.cpu
self.traps = traps
self.cfg = cfg
#sys.settrace(Tracer().traceit)
# too much RAM requested?
# our "custom chips" start at $BFxxxx so we allow RAM only to be below
if self.ram_size >= 0xbf0000 and self.cfg.hw_access != "disable":
raise VamosConfigError(
"Too much RAM configured! Only up to $BF0000 allowed.")
# setup custom chips
if self.cfg.hw_access != "disable":
self.hw_access = HardwareAccess(raw_mem)
self._setup_hw_access()
# path manager
self.path_mgr = PathManager(cfg)
# create a label manager and error tracker
if self.cfg.label_mgr != "disable":
self.label_mgr = LabelManager()
else:
self.label_mgr = None
self.error_tracker = ErrorTracker(cpu, self.label_mgr)
if self.label_mgr != None:
self.label_mgr.error_tracker = self.error_tracker
# set a label for first two dwords
if self.label_mgr != None:
label = LabelRange("zero_page", 0, 8)
self.label_mgr.add_label(label)
# create memory access
self.mem = MainMemory(raw_mem, self.error_tracker)
self.mem.ctx = self
self._setup_memory(raw_mem)
# create memory allocator
self.mem_begin = 0x1000
self.alloc = MemoryAlloc(self.mem, 0, self.ram_size, self.mem_begin,
self.label_mgr)
# create segment loader
self.seg_loader = SegmentLoader(self.mem, self.alloc, self.label_mgr,
self.path_mgr)
# lib manager
self.lib_mgr = LibManager(self.label_mgr, cfg)
# no current process right now
self.process = None
self.proc_list = []
