Gic.py revision 11492:f702bf0828df 
1# Copyright (c) 2012-2013 ARM Limited
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36# Authors: Andreas Sandberg
37
38from m5.params import *
39from m5.proxy import *
40from m5.SimObject import SimObject
41
42from Device import PioDevice
43from Platform import Platform
44
45class BaseGic(PioDevice):
46    type = 'BaseGic'
47    abstract = True
48    cxx_header = "dev/arm/base_gic.hh"
49
50    platform = Param.Platform(Parent.any, "Platform this device is part of.")
51
52class Pl390(BaseGic):
53    type = 'Pl390'
54    cxx_header = "dev/arm/gic_pl390.hh"
55
56    dist_addr = Param.Addr(0x1f001000, "Address for distributor")
57    cpu_addr = Param.Addr(0x1f000100, "Address for cpu")
58    dist_pio_delay = Param.Latency('10ns', "Delay for PIO r/w to distributor")
59    cpu_pio_delay = Param.Latency('10ns', "Delay for PIO r/w to cpu interface")
60    int_latency = Param.Latency('10ns', "Delay for interrupt to get to CPU")
61    it_lines = Param.UInt32(128, "Number of interrupt lines supported (max = 1020)")
62    gem5_extensions = Param.Bool(True, "Enable gem5 extensions")
63
64class Gicv2mFrame(SimObject):
65    type = 'Gicv2mFrame'
66    cxx_header = "dev/arm/gic_v2m.hh"
67    spi_base = Param.UInt32(0x0, "Frame SPI base number");
68    spi_len = Param.UInt32(0x0, "Frame SPI total number");
69    addr = Param.Addr("Address for frame PIO")
70
71class Gicv2m(PioDevice):
72    type = 'Gicv2m'
73    cxx_header = "dev/arm/gic_v2m.hh"
74
75    pio_delay = Param.Latency('10ns', "Delay for PIO r/w")
76    gic = Param.BaseGic(Parent.any, "Gic on which to trigger interrupts")
77    frames = VectorParam.Gicv2mFrame([], "Power of two number of frames")
78