X86: Start implementing the south bridge stuff.
--HG-- extra : convert_revision : 92918c05eb3363155d78889bdab17baa8eae9dca
This commit is contained in:
parent
b0c52885ce
commit
48409ca512
16 changed files with 933 additions and 3 deletions
|
@ -90,6 +90,18 @@ namespace X86ISA
|
||||||
|
|
||||||
const Addr PhysAddrPrefixIO = ULL(0x8000000000000000);
|
const Addr PhysAddrPrefixIO = ULL(0x8000000000000000);
|
||||||
const Addr PhysAddrPrefixPciConfig = ULL(0xC000000000000000);
|
const Addr PhysAddrPrefixPciConfig = ULL(0xC000000000000000);
|
||||||
|
|
||||||
|
static inline Addr
|
||||||
|
x86IOAddress(const uint32_t port)
|
||||||
|
{
|
||||||
|
return PhysAddrPrefixIO | port;
|
||||||
|
}
|
||||||
|
|
||||||
|
static inline Addr
|
||||||
|
x86PciConfigAddress(const uint32_t addr)
|
||||||
|
{
|
||||||
|
return PhysAddrPrefixPciConfig | addr;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
#endif //__ARCH_X86_X86TRAITS_HH__
|
#endif //__ARCH_X86_X86TRAITS_HH__
|
||||||
|
|
|
@ -28,8 +28,9 @@
|
||||||
|
|
||||||
from m5.params import *
|
from m5.params import *
|
||||||
from m5.proxy import *
|
from m5.proxy import *
|
||||||
from Device import BasicPioDevice, PioDevice, IsaFake, BadAddr
|
|
||||||
from Uart import Uart8250
|
from Uart import Uart8250
|
||||||
|
from Device import IsaFake
|
||||||
|
from SouthBridge import SouthBridge
|
||||||
from Platform import Platform
|
from Platform import Platform
|
||||||
from Pci import PciConfigAll
|
from Pci import PciConfigAll
|
||||||
from SimConsole import SimConsole
|
from SimConsole import SimConsole
|
||||||
|
@ -44,6 +45,11 @@ class PC(Platform):
|
||||||
|
|
||||||
pciconfig = PciConfigAll()
|
pciconfig = PciConfigAll()
|
||||||
|
|
||||||
|
south_bridge = SouthBridge()
|
||||||
|
|
||||||
|
# "Non-existant" port used for timing purposes by the linux kernel
|
||||||
|
i_dont_exist = IsaFake(pio_addr=x86IOAddress(0x80), pio_size=1)
|
||||||
|
|
||||||
# Serial port and console
|
# Serial port and console
|
||||||
console = SimConsole()
|
console = SimConsole()
|
||||||
com_1 = Uart8250()
|
com_1 = Uart8250()
|
||||||
|
@ -51,6 +57,8 @@ class PC(Platform):
|
||||||
com_1.sim_console = console
|
com_1.sim_console = console
|
||||||
|
|
||||||
def attachIO(self, bus):
|
def attachIO(self, bus):
|
||||||
|
self.south_bridge.pio = bus.port
|
||||||
|
self.i_dont_exist.pio = bus.port
|
||||||
self.com_1.pio = bus.port
|
self.com_1.pio = bus.port
|
||||||
self.pciconfig.pio = bus.default
|
self.pciconfig.pio = bus.default
|
||||||
bus.responder_set = True
|
bus.responder_set = True
|
||||||
|
|
|
@ -26,8 +26,7 @@
|
||||||
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
#
|
#
|
||||||
# Authors: Steve Reinhardt
|
# Authors: Gabe Black
|
||||||
# Gabe Black
|
|
||||||
|
|
||||||
Import('*')
|
Import('*')
|
||||||
|
|
||||||
|
|
42
src/dev/x86/south_bridge/SConscript
Normal file
42
src/dev/x86/south_bridge/SConscript
Normal file
|
@ -0,0 +1,42 @@
|
||||||
|
# -*- mode:python -*-
|
||||||
|
|
||||||
|
# Copyright (c) 2006 The Regents of The University of Michigan
|
||||||
|
# All rights reserved.
|
||||||
|
#
|
||||||
|
# Redistribution and use in source and binary forms, with or without
|
||||||
|
# modification, are permitted provided that the following conditions are
|
||||||
|
# met: redistributions of source code must retain the above copyright
|
||||||
|
# notice, this list of conditions and the following disclaimer;
|
||||||
|
# redistributions in binary form must reproduce the above copyright
|
||||||
|
# notice, this list of conditions and the following disclaimer in the
|
||||||
|
# documentation and/or other materials provided with the distribution;
|
||||||
|
# neither the name of the copyright holders nor the names of its
|
||||||
|
# contributors may be used to endorse or promote products derived from
|
||||||
|
# this software without specific prior written permission.
|
||||||
|
#
|
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
#
|
||||||
|
# Authors: Gabe Black
|
||||||
|
|
||||||
|
Import('*')
|
||||||
|
|
||||||
|
if env['FULL_SYSTEM'] and env['TARGET_ISA'] == 'x86':
|
||||||
|
# Main device
|
||||||
|
SimObject('SouthBridge.py')
|
||||||
|
Source('south_bridge.cc')
|
||||||
|
|
||||||
|
# Sub devices
|
||||||
|
Source('cmos.cc')
|
||||||
|
Source('i8254.cc')
|
||||||
|
Source('i8259.cc')
|
||||||
|
Source('speaker.cc')
|
35
src/dev/x86/south_bridge/SouthBridge.py
Normal file
35
src/dev/x86/south_bridge/SouthBridge.py
Normal file
|
@ -0,0 +1,35 @@
|
||||||
|
# Copyright (c) 2008 The Regents of The University of Michigan
|
||||||
|
# All rights reserved.
|
||||||
|
#
|
||||||
|
# Redistribution and use in source and binary forms, with or without
|
||||||
|
# modification, are permitted provided that the following conditions are
|
||||||
|
# met: redistributions of source code must retain the above copyright
|
||||||
|
# notice, this list of conditions and the following disclaimer;
|
||||||
|
# redistributions in binary form must reproduce the above copyright
|
||||||
|
# notice, this list of conditions and the following disclaimer in the
|
||||||
|
# documentation and/or other materials provided with the distribution;
|
||||||
|
# neither the name of the copyright holders nor the names of its
|
||||||
|
# contributors may be used to endorse or promote products derived from
|
||||||
|
# this software without specific prior written permission.
|
||||||
|
#
|
||||||
|
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
#
|
||||||
|
# Authors: Gabe Black
|
||||||
|
|
||||||
|
from m5.params import *
|
||||||
|
from m5.proxy import *
|
||||||
|
from Device import PioDevice
|
||||||
|
|
||||||
|
class SouthBridge(PioDevice):
|
||||||
|
type = 'SouthBridge'
|
||||||
|
pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
|
126
src/dev/x86/south_bridge/cmos.cc
Normal file
126
src/dev/x86/south_bridge/cmos.cc
Normal file
|
@ -0,0 +1,126 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "dev/x86/south_bridge/cmos.hh"
|
||||||
|
#include "mem/packet_access.hh"
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::Cmos::read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
switch(pkt->getAddr() - addrRange.start)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
pkt->set(address);
|
||||||
|
break;
|
||||||
|
case 0x1:
|
||||||
|
pkt->set(readRegister(address));
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
panic("Read from undefined CMOS port.\n");
|
||||||
|
}
|
||||||
|
return latency;
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::Cmos::write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
switch(pkt->getAddr() - addrRange.start)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
address = pkt->get<uint8_t>();
|
||||||
|
break;
|
||||||
|
case 0x1:
|
||||||
|
writeRegister(address, pkt->get<uint8_t>());
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
panic("Write to undefined CMOS port.\n");
|
||||||
|
}
|
||||||
|
return latency;
|
||||||
|
}
|
||||||
|
|
||||||
|
uint8_t
|
||||||
|
X86ISA::Cmos::readRegister(uint8_t reg)
|
||||||
|
{
|
||||||
|
assert(reg < numRegs);
|
||||||
|
switch(reg)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
case 0x1:
|
||||||
|
case 0x2:
|
||||||
|
case 0x3:
|
||||||
|
case 0x4:
|
||||||
|
case 0x5:
|
||||||
|
case 0x6:
|
||||||
|
case 0x7:
|
||||||
|
case 0x8:
|
||||||
|
case 0x9:
|
||||||
|
case 0xA:
|
||||||
|
case 0xB:
|
||||||
|
case 0xC:
|
||||||
|
case 0xD:
|
||||||
|
warn("Reading RTC in the CMOS.\n");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
warn("Reading non-volitile CMOS address %x as %x.\n", reg, regs[reg]);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
return regs[reg];
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
X86ISA::Cmos::writeRegister(uint8_t reg, uint8_t val)
|
||||||
|
{
|
||||||
|
assert(reg < numRegs);
|
||||||
|
switch(reg)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
case 0x1:
|
||||||
|
case 0x2:
|
||||||
|
case 0x3:
|
||||||
|
case 0x4:
|
||||||
|
case 0x5:
|
||||||
|
case 0x6:
|
||||||
|
case 0x7:
|
||||||
|
case 0x8:
|
||||||
|
case 0x9:
|
||||||
|
case 0xA:
|
||||||
|
case 0xB:
|
||||||
|
case 0xC:
|
||||||
|
case 0xD:
|
||||||
|
warn("Writing RTC in the CMOS.\n");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
warn("Writing non-volitile CMOS address %x with %x.\n", reg, val);
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
regs[reg] = val;
|
||||||
|
}
|
81
src/dev/x86/south_bridge/cmos.hh
Normal file
81
src/dev/x86/south_bridge/cmos.hh
Normal file
|
@ -0,0 +1,81 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_CMOS_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_CMOS_HH__
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "dev/x86/south_bridge/sub_device.hh"
|
||||||
|
|
||||||
|
namespace X86ISA
|
||||||
|
{
|
||||||
|
|
||||||
|
class Cmos : public SubDevice
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
uint8_t address;
|
||||||
|
|
||||||
|
static const int numRegs = 128;
|
||||||
|
|
||||||
|
uint8_t regs[numRegs];
|
||||||
|
|
||||||
|
uint8_t readRegister(uint8_t reg);
|
||||||
|
void writeRegister(uint8_t reg, uint8_t val);
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
Cmos()
|
||||||
|
{
|
||||||
|
memset(regs, 0, numRegs * sizeof(uint8_t));
|
||||||
|
address = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
Cmos(Tick _latency) : SubDevice(_latency)
|
||||||
|
{
|
||||||
|
memset(regs, 0, numRegs * sizeof(uint8_t));
|
||||||
|
address = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
Cmos(Addr start, Addr size, Tick _latency) :
|
||||||
|
SubDevice(start, size, _latency)
|
||||||
|
{
|
||||||
|
memset(regs, 0, numRegs * sizeof(uint8_t));
|
||||||
|
address = 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick read(PacketPtr pkt);
|
||||||
|
|
||||||
|
Tick write(PacketPtr pkt);
|
||||||
|
};
|
||||||
|
|
||||||
|
}; // namespace X86ISA
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_CMOS_HH__
|
86
src/dev/x86/south_bridge/i8254.cc
Normal file
86
src/dev/x86/south_bridge/i8254.cc
Normal file
|
@ -0,0 +1,86 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "dev/x86/south_bridge/i8254.hh"
|
||||||
|
#include "mem/packet_access.hh"
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::I8254::read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
switch(pkt->getAddr() - addrRange.start)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
warn("Reading from timer 0 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x1:
|
||||||
|
warn("Reading from timer 1 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x2:
|
||||||
|
warn("Reading from timer 2 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x3:
|
||||||
|
fatal("Reading from timer control word which is read only.\n");
|
||||||
|
break;
|
||||||
|
default:
|
||||||
|
panic("Read from undefined i8254 register.\n");
|
||||||
|
}
|
||||||
|
return SubDevice::read(pkt);
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::I8254::write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
switch(pkt->getAddr() - addrRange.start)
|
||||||
|
{
|
||||||
|
case 0x0:
|
||||||
|
warn("Writing to timer 0 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x1:
|
||||||
|
warn("Writing to timer 1 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x2:
|
||||||
|
warn("Writing to timer 2 counter.\n");
|
||||||
|
break;
|
||||||
|
case 0x3:
|
||||||
|
processControlWord(pkt->get<uint8_t>());
|
||||||
|
return latency;
|
||||||
|
default:
|
||||||
|
panic("Write to undefined i8254 register.\n");
|
||||||
|
}
|
||||||
|
return SubDevice::write(pkt);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
X86ISA::I8254::processControlWord(uint8_t word)
|
||||||
|
{
|
||||||
|
warn("I8254 received control word %x.\n", word);
|
||||||
|
}
|
63
src/dev/x86/south_bridge/i8254.hh
Normal file
63
src/dev/x86/south_bridge/i8254.hh
Normal file
|
@ -0,0 +1,63 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_I8254_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_I8254_HH__
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "dev/x86/south_bridge/sub_device.hh"
|
||||||
|
|
||||||
|
namespace X86ISA
|
||||||
|
{
|
||||||
|
|
||||||
|
class I8254 : public SubDevice
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
void processControlWord(uint8_t word);
|
||||||
|
|
||||||
|
public:
|
||||||
|
|
||||||
|
I8254()
|
||||||
|
{}
|
||||||
|
I8254(Tick _latency) : SubDevice(_latency)
|
||||||
|
{}
|
||||||
|
I8254(Addr start, Addr size, Tick _latency) :
|
||||||
|
SubDevice(start, size, _latency)
|
||||||
|
{}
|
||||||
|
|
||||||
|
Tick read(PacketPtr pkt);
|
||||||
|
|
||||||
|
Tick write(PacketPtr pkt);
|
||||||
|
};
|
||||||
|
|
||||||
|
}; // namespace X86ISA
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_I8254_HH__
|
45
src/dev/x86/south_bridge/i8259.cc
Normal file
45
src/dev/x86/south_bridge/i8259.cc
Normal file
|
@ -0,0 +1,45 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "dev/x86/south_bridge/i8259.hh"
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::I8259::read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
warn("Reading from PIC device.\n");
|
||||||
|
return SubDevice::read(pkt);
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::I8259::write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
warn("Writing to PIC device.\n");
|
||||||
|
return SubDevice::write(pkt);
|
||||||
|
}
|
60
src/dev/x86/south_bridge/i8259.hh
Normal file
60
src/dev/x86/south_bridge/i8259.hh
Normal file
|
@ -0,0 +1,60 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_I8259_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_I8259_HH__
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "dev/x86/south_bridge/sub_device.hh"
|
||||||
|
|
||||||
|
namespace X86ISA
|
||||||
|
{
|
||||||
|
|
||||||
|
class I8259 : public SubDevice
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
|
||||||
|
I8259()
|
||||||
|
{}
|
||||||
|
I8259(Tick _latency) : SubDevice(_latency)
|
||||||
|
{}
|
||||||
|
I8259(Addr start, Addr size, Tick _latency) :
|
||||||
|
SubDevice(start, size, _latency)
|
||||||
|
{}
|
||||||
|
|
||||||
|
Tick read(PacketPtr pkt);
|
||||||
|
|
||||||
|
Tick write(PacketPtr pkt);
|
||||||
|
};
|
||||||
|
|
||||||
|
}; // namespace X86ISA
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_I8259_HH__
|
86
src/dev/x86/south_bridge/south_bridge.cc
Normal file
86
src/dev/x86/south_bridge/south_bridge.cc
Normal file
|
@ -0,0 +1,86 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "dev/x86/south_bridge/south_bridge.hh"
|
||||||
|
|
||||||
|
using namespace X86ISA;
|
||||||
|
|
||||||
|
void
|
||||||
|
SouthBridge::addDevice(X86ISA::SubDevice & sub)
|
||||||
|
{
|
||||||
|
rangeList.push_back(sub.addrRange);
|
||||||
|
rangeMap.insert(sub.addrRange, &sub);
|
||||||
|
}
|
||||||
|
|
||||||
|
void
|
||||||
|
SouthBridge::addressRanges(AddrRangeList &range_list)
|
||||||
|
{
|
||||||
|
range_list = rangeList;
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
SouthBridge::read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
RangeMapIt sub =
|
||||||
|
rangeMap.find(RangeSize(pkt->getAddr(), 1));
|
||||||
|
assert(sub != rangeMap.end());
|
||||||
|
return sub->second->read(pkt);
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
SouthBridge::write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
RangeMapIt sub =
|
||||||
|
rangeMap.find(RangeSize(pkt->getAddr(), 1));
|
||||||
|
assert(sub != rangeMap.end());
|
||||||
|
return sub->second->write(pkt);
|
||||||
|
}
|
||||||
|
|
||||||
|
SouthBridge::SouthBridge(const Params *p) : PioDevice(p),
|
||||||
|
pic1(0x20, 2, p->pio_latency),
|
||||||
|
pic2(0xA0, 2, p->pio_latency),
|
||||||
|
pit(0x40, 4, p->pio_latency),
|
||||||
|
cmos(0x70, 2, p->pio_latency),
|
||||||
|
speaker(0x61, 1, p->pio_latency)
|
||||||
|
{
|
||||||
|
addDevice(pic1);
|
||||||
|
addDevice(pic2);
|
||||||
|
addDevice(pit);
|
||||||
|
addDevice(cmos);
|
||||||
|
addDevice(speaker);
|
||||||
|
}
|
||||||
|
|
||||||
|
SouthBridge *
|
||||||
|
SouthBridgeParams::create()
|
||||||
|
{
|
||||||
|
return new SouthBridge(this);
|
||||||
|
}
|
84
src/dev/x86/south_bridge/south_bridge.hh
Normal file
84
src/dev/x86/south_bridge/south_bridge.hh
Normal file
|
@ -0,0 +1,84 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
|
||||||
|
|
||||||
|
#include "base/range_map.hh"
|
||||||
|
#include "dev/io_device.hh"
|
||||||
|
#include "dev/x86/south_bridge/cmos.hh"
|
||||||
|
#include "dev/x86/south_bridge/i8254.hh"
|
||||||
|
#include "dev/x86/south_bridge/i8259.hh"
|
||||||
|
#include "dev/x86/south_bridge/speaker.hh"
|
||||||
|
#include "dev/x86/south_bridge/sub_device.hh"
|
||||||
|
#include "params/SouthBridge.hh"
|
||||||
|
|
||||||
|
class SouthBridge : public PioDevice
|
||||||
|
{
|
||||||
|
protected:
|
||||||
|
// PICs
|
||||||
|
X86ISA::I8259 pic1;
|
||||||
|
X86ISA::I8259 pic2;
|
||||||
|
|
||||||
|
// I8254 Programmable Interval Timer
|
||||||
|
X86ISA::I8254 pit;
|
||||||
|
|
||||||
|
// CMOS apperature
|
||||||
|
X86ISA::Cmos cmos;
|
||||||
|
|
||||||
|
// PC speaker
|
||||||
|
X86ISA::Speaker speaker;
|
||||||
|
|
||||||
|
AddrRangeList rangeList;
|
||||||
|
|
||||||
|
typedef range_map<Addr, X86ISA::SubDevice *> RangeMap;
|
||||||
|
typedef RangeMap::iterator RangeMapIt;
|
||||||
|
RangeMap rangeMap;
|
||||||
|
|
||||||
|
|
||||||
|
void addDevice(X86ISA::SubDevice &);
|
||||||
|
|
||||||
|
public:
|
||||||
|
void addressRanges(AddrRangeList &range_list);
|
||||||
|
|
||||||
|
Tick read(PacketPtr pkt);
|
||||||
|
Tick write(PacketPtr pkt);
|
||||||
|
|
||||||
|
typedef SouthBridgeParams Params;
|
||||||
|
SouthBridge(const Params *p);
|
||||||
|
|
||||||
|
const Params *
|
||||||
|
params() const
|
||||||
|
{
|
||||||
|
return dynamic_cast<const Params *>(_params);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_SOUTH_BRIDGE_HH__
|
64
src/dev/x86/south_bridge/speaker.cc
Normal file
64
src/dev/x86/south_bridge/speaker.cc
Normal file
|
@ -0,0 +1,64 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include "base/bitunion.hh"
|
||||||
|
#include "dev/x86/south_bridge/speaker.hh"
|
||||||
|
#include "mem/packet_access.hh"
|
||||||
|
|
||||||
|
BitUnion8(SpeakerControl)
|
||||||
|
Bitfield<0> gate;
|
||||||
|
Bitfield<1> speaker;
|
||||||
|
Bitfield<5> timer;
|
||||||
|
EndBitUnion(SpeakerControl)
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::Speaker::read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getAddr() == addrRange.start);
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
SpeakerControl val = 0xFF;
|
||||||
|
warn("Reading from speaker device: gate %s, speaker %s, output %s.\n",
|
||||||
|
val.gate ? "on" : "off",
|
||||||
|
val.speaker ? "on" : "off",
|
||||||
|
val.timer ? "on" : "off");
|
||||||
|
pkt->set((uint8_t)val);
|
||||||
|
return latency;
|
||||||
|
}
|
||||||
|
|
||||||
|
Tick
|
||||||
|
X86ISA::Speaker::write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getAddr() == addrRange.start);
|
||||||
|
assert(pkt->getSize() == 1);
|
||||||
|
SpeakerControl val = pkt->get<uint8_t>();
|
||||||
|
warn("Writing to speaker device: gate %s, speaker %s.\n",
|
||||||
|
val.gate ? "on" : "off", val.speaker ? "on" : "off");
|
||||||
|
return latency;
|
||||||
|
}
|
60
src/dev/x86/south_bridge/speaker.hh
Normal file
60
src/dev/x86/south_bridge/speaker.hh
Normal file
|
@ -0,0 +1,60 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_SPEAKER_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_SPEAKER_HH__
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "dev/x86/south_bridge/sub_device.hh"
|
||||||
|
|
||||||
|
namespace X86ISA
|
||||||
|
{
|
||||||
|
|
||||||
|
class Speaker : public SubDevice
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
|
||||||
|
Speaker()
|
||||||
|
{}
|
||||||
|
Speaker(Tick _latency) : SubDevice(_latency)
|
||||||
|
{}
|
||||||
|
Speaker(Addr start, Addr size, Tick _latency) :
|
||||||
|
SubDevice(start, size, _latency)
|
||||||
|
{}
|
||||||
|
|
||||||
|
Tick read(PacketPtr pkt);
|
||||||
|
|
||||||
|
Tick write(PacketPtr pkt);
|
||||||
|
};
|
||||||
|
|
||||||
|
}; // namespace X86ISA
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_SPEAKER_HH__
|
79
src/dev/x86/south_bridge/sub_device.hh
Normal file
79
src/dev/x86/south_bridge/sub_device.hh
Normal file
|
@ -0,0 +1,79 @@
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2004-2005 The Regents of The University of Michigan
|
||||||
|
* All rights reserved.
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions are
|
||||||
|
* met: redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer;
|
||||||
|
* redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in the
|
||||||
|
* documentation and/or other materials provided with the distribution;
|
||||||
|
* neither the name of the copyright holders nor the names of its
|
||||||
|
* contributors may be used to endorse or promote products derived from
|
||||||
|
* this software without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
||||||
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
||||||
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||||
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
||||||
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
||||||
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||||
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
||||||
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
* Authors: Gabe Black
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef __DEV_X86_SOUTH_BRIDGE_SUB_DEVICE_HH__
|
||||||
|
#define __DEV_X86_SOUTH_BRIDGE_SUB_DEVICE_HH__
|
||||||
|
|
||||||
|
#include "arch/x86/x86_traits.hh"
|
||||||
|
#include "base/range.hh"
|
||||||
|
#include "mem/packet.hh"
|
||||||
|
|
||||||
|
namespace X86ISA
|
||||||
|
{
|
||||||
|
|
||||||
|
class SubDevice
|
||||||
|
{
|
||||||
|
public:
|
||||||
|
|
||||||
|
Range<Addr> addrRange;
|
||||||
|
Tick latency;
|
||||||
|
|
||||||
|
virtual
|
||||||
|
~SubDevice()
|
||||||
|
{}
|
||||||
|
|
||||||
|
SubDevice()
|
||||||
|
{}
|
||||||
|
SubDevice(Tick _latency) : latency(_latency)
|
||||||
|
{}
|
||||||
|
SubDevice(Addr start, Addr size, Tick _latency) :
|
||||||
|
addrRange(RangeSize(x86IOAddress(start), size)), latency(_latency)
|
||||||
|
{}
|
||||||
|
|
||||||
|
virtual Tick
|
||||||
|
read(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
assert(pkt->getSize() <= 4);
|
||||||
|
pkt->allocate();
|
||||||
|
const uint32_t neg1 = -1;
|
||||||
|
pkt->setData((uint8_t *)(&neg1));
|
||||||
|
return latency;
|
||||||
|
}
|
||||||
|
|
||||||
|
virtual Tick
|
||||||
|
write(PacketPtr pkt)
|
||||||
|
{
|
||||||
|
return latency;
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
}; // namespace X86ISA
|
||||||
|
|
||||||
|
#endif //__DEV_X86_SOUTH_BRIDGE_SUB_DEVICE_HH__
|
Loading…
Reference in a new issue