SouthBridge.py (5827:ac2c268bf4f1) SouthBridge.py (5831:ee307cca6d31)
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

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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 Cmos import Cmos
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 Cmos import Cmos
32from I8042 import I8042
32from I82094AA import I82094AA
33from I8237 import I8237
34from I8254 import I8254
35from I8259 import I8259
36from PcSpeaker import PcSpeaker
37from X86IntPin import X86IntLine
38from m5.SimObject import SimObject
39

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45 type = 'SouthBridge'
46 pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
47 platform = Param.Platform(Parent.any, "Platform this device is part of")
48
49 _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master')
50 _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave')
51 _cmos = Cmos(pio_addr=x86IOAddress(0x70))
52 _dma1 = I8237(pio_addr=x86IOAddress(0x0))
33from I82094AA import I82094AA
34from I8237 import I8237
35from I8254 import I8254
36from I8259 import I8259
37from PcSpeaker import PcSpeaker
38from X86IntPin import X86IntLine
39from m5.SimObject import SimObject
40

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46 type = 'SouthBridge'
47 pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
48 platform = Param.Platform(Parent.any, "Platform this device is part of")
49
50 _pic1 = I8259(pio_addr=x86IOAddress(0x20), mode='I8259Master')
51 _pic2 = I8259(pio_addr=x86IOAddress(0xA0), mode='I8259Slave')
52 _cmos = Cmos(pio_addr=x86IOAddress(0x70))
53 _dma1 = I8237(pio_addr=x86IOAddress(0x0))
54 _keyboard = I8042(data_port=x86IOAddress(0x60), \
55 command_port=x86IOAddress(0x64))
53 _pit = I8254(pio_addr=x86IOAddress(0x40))
54 _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61))
55 _io_apic = I82094AA(pio_addr=0xFEC00000)
56 # This is to make sure the interrupt lines are instantiated. Don't use
57 # it for anything directly.
58 int_lines = VectorParam.X86IntLine([], "Interrupt lines")
59
60 pic1 = Param.I8259(_pic1, "Master PIC")
61 pic2 = Param.I8259(_pic2, "Slave PIC")
62 cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device")
63 dma1 = Param.I8237(_dma1, "The first dma controller")
56 _pit = I8254(pio_addr=x86IOAddress(0x40))
57 _speaker = PcSpeaker(pio_addr=x86IOAddress(0x61))
58 _io_apic = I82094AA(pio_addr=0xFEC00000)
59 # This is to make sure the interrupt lines are instantiated. Don't use
60 # it for anything directly.
61 int_lines = VectorParam.X86IntLine([], "Interrupt lines")
62
63 pic1 = Param.I8259(_pic1, "Master PIC")
64 pic2 = Param.I8259(_pic2, "Slave PIC")
65 cmos = Param.Cmos(_cmos, "CMOS memory and real time clock device")
66 dma1 = Param.I8237(_dma1, "The first dma controller")
67 keyboard = Param.I8042(_keyboard, "The keyboard controller")
64 pit = Param.I8254(_pit, "Programmable interval timer")
65 speaker = Param.PcSpeaker(_speaker, "PC speaker")
66 io_apic = Param.I82094AA(_io_apic, "I/O APIC")
67
68 def connectPins(self, source, sink):
69 self.int_lines.append(X86IntLine(source=source, sink=sink))
70
71 def attachIO(self, bus):
72 # Route interupt signals
73 self.connectPins(self.pic1.output, self.io_apic.pin(0))
74 self.connectPins(self.pic2.output, self.pic1.pin(2))
75 self.connectPins(self.cmos.int_pin, self.pic2.pin(0))
76 self.connectPins(self.pit.int_pin, self.pic1.pin(0))
77 self.connectPins(self.pit.int_pin, self.io_apic.pin(2))
68 pit = Param.I8254(_pit, "Programmable interval timer")
69 speaker = Param.PcSpeaker(_speaker, "PC speaker")
70 io_apic = Param.I82094AA(_io_apic, "I/O APIC")
71
72 def connectPins(self, source, sink):
73 self.int_lines.append(X86IntLine(source=source, sink=sink))
74
75 def attachIO(self, bus):
76 # Route interupt signals
77 self.connectPins(self.pic1.output, self.io_apic.pin(0))
78 self.connectPins(self.pic2.output, self.pic1.pin(2))
79 self.connectPins(self.cmos.int_pin, self.pic2.pin(0))
80 self.connectPins(self.pit.int_pin, self.pic1.pin(0))
81 self.connectPins(self.pit.int_pin, self.io_apic.pin(2))
82# self.connectPins(self.keyboard.keyboard_int_pin,
83# self.pic1.pin(1))
84 self.connectPins(self.keyboard.keyboard_int_pin,
85 self.io_apic.pin(1))
86# self.connectPins(self.keyboard.mouse_int_pin,
87# self.pic2.pin(4))
88 self.connectPins(self.keyboard.mouse_int_pin,
89 self.io_apic.pin(12))
78 # Tell the devices about each other
79 self.pic1.slave = self.pic2
80 self.speaker.i8254 = self.pit
81 self.io_apic.external_int_pic = self.pic1
82 # Connect to the bus
83 self.cmos.pio = bus.port
84 self.dma1.pio = bus.port
90 # Tell the devices about each other
91 self.pic1.slave = self.pic2
92 self.speaker.i8254 = self.pit
93 self.io_apic.external_int_pic = self.pic1
94 # Connect to the bus
95 self.cmos.pio = bus.port
96 self.dma1.pio = bus.port
97 self.keyboard.pio = bus.port
85 self.pic1.pio = bus.port
86 self.pic2.pio = bus.port
87 self.pit.pio = bus.port
88 self.speaker.pio = bus.port
89 self.io_apic.pio = bus.port
90 self.io_apic.int_port = bus.port
98 self.pic1.pio = bus.port
99 self.pic2.pio = bus.port
100 self.pit.pio = bus.port
101 self.speaker.pio = bus.port
102 self.io_apic.pio = bus.port
103 self.io_apic.int_port = bus.port