I8259.py revision 14290
16657Snate@binkert.org# Copyright (c) 2008 The Regents of The University of Michigan
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276657Snate@binkert.org# Authors: Gabe Black
286999Snate@binkert.org
296657Snate@binkert.orgfrom m5.params import *
306657Snate@binkert.orgfrom m5.proxy import *
316657Snate@binkert.orgfrom m5.objects.Device import BasicPioDevice
326657Snate@binkert.orgfrom m5.objects.IntPin import IntSourcePin, VectorIntSinkPin
336657Snate@binkert.org
346657Snate@binkert.orgclass X86I8259CascadeMode(Enum):
356657Snate@binkert.org    map = {'I8259Master' : 0,
366657Snate@binkert.org           'I8259Slave' : 1,
376657Snate@binkert.org           'I8259Single' : 2
386657Snate@binkert.org    }
396657Snate@binkert.org
406657Snate@binkert.orgclass I8259(BasicPioDevice):
416657Snate@binkert.org    type = 'I8259'
426657Snate@binkert.org    cxx_class='X86ISA::I8259'
436657Snate@binkert.org    cxx_header = "dev/x86/i8259.hh"
446657Snate@binkert.org    output = IntSourcePin('The pin this I8259 drives')
456657Snate@binkert.org    inputs = VectorIntSinkPin('The pins that drive this I8259')
466657Snate@binkert.org    mode = Param.X86I8259CascadeMode('How this I8259 is cascaded')
476657Snate@binkert.org    slave = Param.I8259(NULL, 'Slave I8259, if any')
486657Snate@binkert.org