gem5/dev/pcidev.cc
Ali Saidi 6dc3b2fa39 make ide disk work for newmem
SConscript:
    compile ide devices
base/chunk_generator.hh:
    add another parameter to the chuck generator called complete() which
    returns the number of bytes transfered so far. Very useful for
    adding to a pointer.
configs/test/fs.py:
    Add ide disk to fs test configuration
dev/ide_ctrl.cc:
dev/ide_ctrl.hh:
dev/ide_disk.cc:
dev/ide_disk.hh:
dev/io_device.cc:
dev/io_device.hh:
dev/pciconfigall.cc:
dev/pciconfigall.hh:
dev/pcidev.cc:
dev/pcidev.hh:
    update for new memory system
mem/bus.cc:
    support devices that return multiple ranges
    remove old ranges before using new info
mem/packet.hh:
    make senderstate void* per steve's request that we use every
    construct possible in C++
mem/physical.cc:
    have memory stamp the packet with the time.
mem/physical.hh:
    actually set the memory latency variable
python/m5/objects/Device.py:
    Add DmaDevice
python/m5/objects/Ide.py:
    Ide disk no longer has a physmem pointer
python/m5/objects/Pci.py:
    update pci device for newmem
python/m5/objects/PhysicalMemory.py:
    add latency parameter for physical memory
sim/byteswap.hh:
    use fast architecture dependent byteswap calls if they exist

--HG--
extra : convert_revision : e3cf2e8f61064ad302d94bc22010a00c59f3f793
2006-04-20 17:14:30 -04:00

387 lines
13 KiB
C++

/*
* 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.
*/
/* @file
* A single PCI device configuration space entry.
*/
#include <list>
#include <sstream>
#include <string>
#include <vector>
#include "base/inifile.hh"
#include "base/misc.hh"
#include "base/str.hh" // for to_number
#include "base/trace.hh"
#include "dev/pciconfigall.hh"
#include "dev/pcidev.hh"
#include "dev/tsunamireg.h"
#include "mem/packet.hh"
#include "sim/builder.hh"
#include "sim/byteswap.hh"
#include "sim/param.hh"
#include "sim/root.hh"
using namespace std;
PciDev::PciDev(Params *p)
: DmaDevice(p), plat(p->platform), configData(p->configData),
pioDelay(p->pio_delay)
{
// copy the config data from the PciConfigData object
if (configData) {
memcpy(config.data, configData->config.data, sizeof(config.data));
memcpy(BARSize, configData->BARSize, sizeof(BARSize));
memcpy(BARAddrs, configData->BARAddrs, sizeof(BARAddrs));
} else
panic("NULL pointer to configuration data");
// Setup pointer in config space to point to this entry
if (p->configSpace->deviceExists(p->deviceNum, p->functionNum))
panic("Two PCI devices occuping same dev: %#x func: %#x",
p->deviceNum, p->functionNum);
else
p->configSpace->registerDevice(p->deviceNum, p->functionNum, this);
}
void
PciDev::readConfig(int offset, uint8_t *data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
*data = config.data[offset];
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 1 bytes: data: %#x\n",
params()->deviceNum, params()->functionNum, offset, *data);
}
void
PciDev::addressRanges(AddrRangeList &range_list)
{
int x = 0;
range_list.clear();
for (x = 0; x < 6; x++)
if (BARAddrs[x] != 0)
range_list.push_back(RangeSize(BARAddrs[x],BARSize[x]));
}
void
PciDev::readConfig(int offset, uint16_t *data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
*data = *(uint16_t*)&config.data[offset];
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 2 bytes: data: %#x\n",
params()->deviceNum, params()->functionNum, offset, *data);
}
void
PciDev::readConfig(int offset, uint32_t *data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
*data = *(uint32_t*)&config.data[offset];
DPRINTF(PCIDEV,
"read device: %#x function: %#x register: %#x 4 bytes: data: %#x\n",
params()->deviceNum, params()->functionNum, offset, *data);
}
void
PciDev::writeConfig(int offset, const uint8_t data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
DPRINTF(PCIDEV,
"write device: %#x function: %#x reg: %#x size: 1 data: %#x\n",
params()->deviceNum, params()->functionNum, offset, data);
switch (offset) {
case PCI0_INTERRUPT_LINE:
config.interruptLine = data;
case PCI_CACHE_LINE_SIZE:
config.cacheLineSize = data;
case PCI_LATENCY_TIMER:
config.latencyTimer = data;
break;
/* Do nothing for these read-only registers */
case PCI0_INTERRUPT_PIN:
case PCI0_MINIMUM_GRANT:
case PCI0_MAXIMUM_LATENCY:
case PCI_CLASS_CODE:
case PCI_REVISION_ID:
break;
default:
panic("writing to a read only register");
}
}
void
PciDev::writeConfig(int offset, const uint16_t data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
DPRINTF(PCIDEV,
"write device: %#x function: %#x reg: %#x size: 2 data: %#x\n",
params()->deviceNum, params()->functionNum, offset, data);
switch (offset) {
case PCI_COMMAND:
config.command = data;
case PCI_STATUS:
config.status = data;
case PCI_CACHE_LINE_SIZE:
config.cacheLineSize = data;
break;
default:
panic("writing to a read only register");
}
}
void
PciDev::writeConfig(int offset, const uint32_t data)
{
if (offset >= PCI_DEVICE_SPECIFIC)
panic("Device specific PCI config space not implemented!\n");
DPRINTF(PCIDEV,
"write device: %#x function: %#x reg: %#x size: 4 data: %#x\n",
params()->deviceNum, params()->functionNum, offset, data);
switch (offset) {
case PCI0_BASE_ADDR0:
case PCI0_BASE_ADDR1:
case PCI0_BASE_ADDR2:
case PCI0_BASE_ADDR3:
case PCI0_BASE_ADDR4:
case PCI0_BASE_ADDR5:
uint32_t barnum, bar_mask;
Addr base_addr, base_size, space_base;
barnum = BAR_NUMBER(offset);
if (BAR_IO_SPACE(letoh(config.baseAddr[barnum]))) {
bar_mask = BAR_IO_MASK;
space_base = TSUNAMI_PCI0_IO;
} else {
bar_mask = BAR_MEM_MASK;
space_base = TSUNAMI_PCI0_MEMORY;
}
// Writing 0xffffffff to a BAR tells the card to set the
// value of the bar to size of memory it needs
if (letoh(data) == 0xffffffff) {
// This is I/O Space, bottom two bits are read only
config.baseAddr[barnum] = letoh(
(~(BARSize[barnum] - 1) & ~bar_mask) |
(letoh(config.baseAddr[barnum]) & bar_mask));
} else {
config.baseAddr[barnum] = letoh(
(letoh(data) & ~bar_mask) |
(letoh(config.baseAddr[barnum]) & bar_mask));
if (letoh(config.baseAddr[barnum]) & ~bar_mask) {
base_addr = (letoh(data) & ~bar_mask) + space_base;
base_size = BARSize[barnum];
BARAddrs[barnum] = base_addr;
pioPort->sendStatusChange(Port::RangeChange);
}
}
break;
case PCI0_ROM_BASE_ADDR:
if (letoh(data) == 0xfffffffe)
config.expansionROM = htole((uint32_t)0xffffffff);
else
config.expansionROM = data;
break;
case PCI_COMMAND:
// This could also clear some of the error bits in the Status
// register. However they should never get set, so lets ignore
// it for now
config.command = data;
break;
default:
DPRINTF(PCIDEV, "Writing to a read only register");
}
}
void
PciDev::serialize(ostream &os)
{
SERIALIZE_ARRAY(BARSize, sizeof(BARSize) / sizeof(BARSize[0]));
SERIALIZE_ARRAY(BARAddrs, sizeof(BARAddrs) / sizeof(BARAddrs[0]));
SERIALIZE_ARRAY(config.data, sizeof(config.data) / sizeof(config.data[0]));
}
void
PciDev::unserialize(Checkpoint *cp, const std::string &section)
{
UNSERIALIZE_ARRAY(BARSize, sizeof(BARSize) / sizeof(BARSize[0]));
UNSERIALIZE_ARRAY(BARAddrs, sizeof(BARAddrs) / sizeof(BARAddrs[0]));
UNSERIALIZE_ARRAY(config.data,
sizeof(config.data) / sizeof(config.data[0]));
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS
BEGIN_DECLARE_SIM_OBJECT_PARAMS(PciConfigData)
Param<uint16_t> VendorID;
Param<uint16_t> DeviceID;
Param<uint16_t> Command;
Param<uint16_t> Status;
Param<uint8_t> Revision;
Param<uint8_t> ProgIF;
Param<uint8_t> SubClassCode;
Param<uint8_t> ClassCode;
Param<uint8_t> CacheLineSize;
Param<uint8_t> LatencyTimer;
Param<uint8_t> HeaderType;
Param<uint8_t> BIST;
Param<uint32_t> BAR0;
Param<uint32_t> BAR1;
Param<uint32_t> BAR2;
Param<uint32_t> BAR3;
Param<uint32_t> BAR4;
Param<uint32_t> BAR5;
Param<uint32_t> CardbusCIS;
Param<uint16_t> SubsystemVendorID;
Param<uint16_t> SubsystemID;
Param<uint32_t> ExpansionROM;
Param<uint8_t> InterruptLine;
Param<uint8_t> InterruptPin;
Param<uint8_t> MinimumGrant;
Param<uint8_t> MaximumLatency;
Param<uint32_t> BAR0Size;
Param<uint32_t> BAR1Size;
Param<uint32_t> BAR2Size;
Param<uint32_t> BAR3Size;
Param<uint32_t> BAR4Size;
Param<uint32_t> BAR5Size;
END_DECLARE_SIM_OBJECT_PARAMS(PciConfigData)
BEGIN_INIT_SIM_OBJECT_PARAMS(PciConfigData)
INIT_PARAM(VendorID, "Vendor ID"),
INIT_PARAM(DeviceID, "Device ID"),
INIT_PARAM_DFLT(Command, "Command Register", 0x00),
INIT_PARAM_DFLT(Status, "Status Register", 0x00),
INIT_PARAM_DFLT(Revision, "Device Revision", 0x00),
INIT_PARAM_DFLT(ProgIF, "Programming Interface", 0x00),
INIT_PARAM(SubClassCode, "Sub-Class Code"),
INIT_PARAM(ClassCode, "Class Code"),
INIT_PARAM_DFLT(CacheLineSize, "System Cacheline Size", 0x00),
INIT_PARAM_DFLT(LatencyTimer, "PCI Latency Timer", 0x00),
INIT_PARAM_DFLT(HeaderType, "PCI Header Type", 0x00),
INIT_PARAM_DFLT(BIST, "Built In Self Test", 0x00),
INIT_PARAM_DFLT(BAR0, "Base Address Register 0", 0x00),
INIT_PARAM_DFLT(BAR1, "Base Address Register 1", 0x00),
INIT_PARAM_DFLT(BAR2, "Base Address Register 2", 0x00),
INIT_PARAM_DFLT(BAR3, "Base Address Register 3", 0x00),
INIT_PARAM_DFLT(BAR4, "Base Address Register 4", 0x00),
INIT_PARAM_DFLT(BAR5, "Base Address Register 5", 0x00),
INIT_PARAM_DFLT(CardbusCIS, "Cardbus Card Information Structure", 0x00),
INIT_PARAM_DFLT(SubsystemVendorID, "Subsystem Vendor ID", 0x00),
INIT_PARAM_DFLT(SubsystemID, "Subsystem ID", 0x00),
INIT_PARAM_DFLT(ExpansionROM, "Expansion ROM Base Address Register", 0x00),
INIT_PARAM(InterruptLine, "Interrupt Line Register"),
INIT_PARAM(InterruptPin, "Interrupt Pin Register"),
INIT_PARAM_DFLT(MinimumGrant, "Minimum Grant", 0x00),
INIT_PARAM_DFLT(MaximumLatency, "Maximum Latency", 0x00),
INIT_PARAM_DFLT(BAR0Size, "Base Address Register 0 Size", 0x00),
INIT_PARAM_DFLT(BAR1Size, "Base Address Register 1 Size", 0x00),
INIT_PARAM_DFLT(BAR2Size, "Base Address Register 2 Size", 0x00),
INIT_PARAM_DFLT(BAR3Size, "Base Address Register 3 Size", 0x00),
INIT_PARAM_DFLT(BAR4Size, "Base Address Register 4 Size", 0x00),
INIT_PARAM_DFLT(BAR5Size, "Base Address Register 5 Size", 0x00)
END_INIT_SIM_OBJECT_PARAMS(PciConfigData)
CREATE_SIM_OBJECT(PciConfigData)
{
PciConfigData *data = new PciConfigData(getInstanceName());
data->config.vendor = htole(VendorID);
data->config.device = htole(DeviceID);
data->config.command = htole(Command);
data->config.status = htole(Status);
data->config.revision = htole(Revision);
data->config.progIF = htole(ProgIF);
data->config.subClassCode = htole(SubClassCode);
data->config.classCode = htole(ClassCode);
data->config.cacheLineSize = htole(CacheLineSize);
data->config.latencyTimer = htole(LatencyTimer);
data->config.headerType = htole(HeaderType);
data->config.bist = htole(BIST);
data->config.baseAddr0 = htole(BAR0);
data->config.baseAddr1 = htole(BAR1);
data->config.baseAddr2 = htole(BAR2);
data->config.baseAddr3 = htole(BAR3);
data->config.baseAddr4 = htole(BAR4);
data->config.baseAddr5 = htole(BAR5);
data->config.cardbusCIS = htole(CardbusCIS);
data->config.subsystemVendorID = htole(SubsystemVendorID);
data->config.subsystemID = htole(SubsystemVendorID);
data->config.expansionROM = htole(ExpansionROM);
data->config.interruptLine = htole(InterruptLine);
data->config.interruptPin = htole(InterruptPin);
data->config.minimumGrant = htole(MinimumGrant);
data->config.maximumLatency = htole(MaximumLatency);
data->BARSize[0] = BAR0Size;
data->BARSize[1] = BAR1Size;
data->BARSize[2] = BAR2Size;
data->BARSize[3] = BAR3Size;
data->BARSize[4] = BAR4Size;
data->BARSize[5] = BAR5Size;
return data;
}
REGISTER_SIM_OBJECT("PciConfigData", PciConfigData)
#endif // DOXYGEN_SHOULD_SKIP_THIS