1# Copyright (c) 2008 The Regents of The University of Michigan 2# All rights reserved. 3# 4# Redistribution and use in source and binary forms, with or without 5# modification, are permitted provided that the following conditions are 6# met: redistributions of source code must retain the above copyright 7# notice, this list of conditions and the following disclaimer; 8# redistributions in binary form must reproduce the above copyright --- 15 unchanged lines hidden (view full) --- 24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26# 27# Authors: Gabe Black 28 29from m5.params import * 30from m5.proxy import * 31from Device import BasicPioDevice |
32from X86IntPin import X86IntPin |
33 |
34class X86I8259CascadeMode(Enum): 35 map = {'I8259Master' : 0, 36 'I8259Slave' : 1, 37 'I8259Single' : 2 38 } 39 |
40class I8259(BasicPioDevice): 41 type = 'I8259' 42 cxx_class='X86ISA::I8259' 43 pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks") |
44 output = Param.X86IntPin('The pin this I8259 drives') 45 mode = Param.X86I8259CascadeMode('How this I8259 is cascaded') 46 47 def pin(self, line): 48 return X86IntPin(device=self, line=line) |