def _create_test_regfile():
global regdef
regdef = OrderedDict()
# --register 0--
reg = Register('reg0',0x0018,8,'rw',0)
reg.comment = "register 0"
reg.add_bits('enable', slice(1,0))
reg.add_bits('loop', slice(2,1))
regdef[reg.name] = reg
# -- more registers register --
for addr,default in zip((0x20,0x40,0x80),
(0xDE,0xCA,0xFB)):
reg = Register('reg%s'%(addr),addr,8,'rw',default)
regdef[reg.name] = reg
# -- read only register --
reg = Register('regro',0x100,8,'ro',0xAA)
regdef[reg.name] = reg
regfile = RegisterFile(regdef)
return regfile
