Gic.py revision 12739:55a86872ff90 
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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 ArmInterruptPin(SimObject):
53    type = 'ArmInterruptPin'
54    cxx_header = "dev/arm/base_gic.hh"
55    abstract = True
56
57    platform = Param.Platform(Parent.any, "Platform with interrupt controller")
58    num = Param.UInt32("Interrupt number in GIC")
59
60class ArmSPI(ArmInterruptPin):
61    type = 'ArmSPI'
62    cxx_header = "dev/arm/base_gic.hh"
63
64class ArmPPI(ArmInterruptPin):
65    type = 'ArmPPI'
66    cxx_header = "dev/arm/base_gic.hh"
67
68
69class Pl390(BaseGic):
70    type = 'Pl390'
71    cxx_header = "dev/arm/gic_pl390.hh"
72
73    dist_addr = Param.Addr(0x1f001000, "Address for distributor")
74    cpu_addr = Param.Addr(0x1f000100, "Address for cpu")
75    dist_pio_delay = Param.Latency('10ns', "Delay for PIO r/w to distributor")
76    cpu_pio_delay = Param.Latency('10ns', "Delay for PIO r/w to cpu interface")
77    int_latency = Param.Latency('10ns', "Delay for interrupt to get to CPU")
78    it_lines = Param.UInt32(128, "Number of interrupt lines supported (max = 1020)")
79    gem5_extensions = Param.Bool(False, "Enable gem5 extensions")
80
81class Gicv2mFrame(SimObject):
82    type = 'Gicv2mFrame'
83    cxx_header = "dev/arm/gic_v2m.hh"
84    spi_base = Param.UInt32(0x0, "Frame SPI base number");
85    spi_len = Param.UInt32(0x0, "Frame SPI total number");
86    addr = Param.Addr("Address for frame PIO")
87
88class Gicv2m(PioDevice):
89    type = 'Gicv2m'
90    cxx_header = "dev/arm/gic_v2m.hh"
91
92    pio_delay = Param.Latency('10ns', "Delay for PIO r/w")
93    gic = Param.BaseGic(Parent.any, "Gic on which to trigger interrupts")
94    frames = VectorParam.Gicv2mFrame([], "Power of two number of frames")
95