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
This commit is contained in:
Ali Saidi
2006-04-20 17:14:30 -04:00
parent 9a41591693
commit 6dc3b2fa39
22 changed files with 742 additions and 794 deletions

View File

@@ -31,7 +31,6 @@
#include <string>
#include <vector>
#include "arch/alpha/ev5.hh"
#include "base/trace.hh"
#include "cpu/intr_control.hh"
#include "dev/ide_ctrl.hh"
@@ -39,17 +38,12 @@
#include "dev/pciconfigall.hh"
#include "dev/pcireg.h"
#include "dev/platform.hh"
#include "mem/bus/bus.hh"
#include "mem/bus/dma_interface.hh"
#include "mem/bus/pio_interface.hh"
#include "mem/bus/pio_interface_impl.hh"
#include "mem/functional/memory_control.hh"
#include "mem/functional/physical.hh"
#include "mem/packet.hh"
#include "sim/builder.hh"
#include "sim/sim_object.hh"
#include "sim/byteswap.hh"
using namespace std;
using namespace TheISA;
////
// Initialization and destruction
@@ -92,22 +86,6 @@ IdeController::IdeController(Params *p)
bm_enabled = false;
memset(cmd_in_progress, 0, sizeof(cmd_in_progress));
pioInterface = NULL;
dmaInterface = NULL;
// create the PIO and DMA interfaces
if (params()->pio_bus) {
pioInterface = newPioInterface(name() + ".pio", params()->hier,
params()->pio_bus, this,
&IdeController::cacheAccess);
pioLatency = params()->pio_latency * params()->pio_bus->clockRate;
}
if (params()->dma_bus) {
dmaInterface = new DMAInterface<Bus>(name() + ".dma",
params()->dma_bus,
params()->dma_bus, 1, true);
}
// setup the disks attached to controller
memset(disks, 0, sizeof(disks));
dev[0] = 0;
@@ -118,7 +96,7 @@ IdeController::IdeController(Params *p)
for (int i = 0; i < params()->disks.size(); i++) {
disks[i] = params()->disks[i];
disks[i]->setController(this, dmaInterface);
disks[i]->setController(this);
}
}
@@ -240,91 +218,158 @@ IdeController::setDmaComplete(IdeDisk *disk)
}
}
////
// Bus timing and bus access functions
////
Tick
IdeController::cacheAccess(MemReqPtr &req)
{
// @todo Add more accurate timing to cache access
return curTick + pioLatency;
}
////
// Read and write handling
////
void
IdeController::readConfig(int offset, int size, uint8_t *data)
IdeController::readConfig(int offset, uint8_t *data)
{
int config_offset;
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::readConfig(offset, size, data);
PciDev::readConfig(offset, data);
} else if (offset >= IDE_CTRL_CONF_START &&
(offset + size) <= IDE_CTRL_CONF_END) {
(offset + 1) <= IDE_CTRL_CONF_END) {
config_offset = offset - IDE_CTRL_CONF_START;
switch (size) {
case sizeof(uint8_t):
*data = config_regs.data[config_offset];
switch (offset) {
case IDE_CTRL_CONF_DEV_TIMING:
*data = config_regs.sidetim;
break;
case sizeof(uint16_t):
*(uint16_t*)data = *(uint16_t*)&config_regs.data[config_offset];
case IDE_CTRL_CONF_UDMA_CNTRL:
*data = config_regs.udmactl;
break;
case sizeof(uint32_t):
*(uint32_t*)data = *(uint32_t*)&config_regs.data[config_offset];
case IDE_CTRL_CONF_PRIM_TIMING+1:
*data = htole(config_regs.idetim0) >> 8;
break;
case IDE_CTRL_CONF_SEC_TIMING+1:
*data = htole(config_regs.idetim1) >> 8;
break;
case IDE_CTRL_CONF_IDE_CONFIG:
*data = htole(config_regs.ideconfig) & 0xFF;
break;
case IDE_CTRL_CONF_IDE_CONFIG+1:
*data = htole(config_regs.ideconfig) >> 8;
break;
default:
panic("Invalid PCI configuration read size!\n");
panic("Invalid PCI configuration read for size 1 at offset: %#x!\n",
offset);
}
DPRINTF(IdeCtrl, "PCI read offset: %#x size: %#x data: %#x\n",
offset, size, *(uint32_t*)data);
} else {
panic("Read of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI read offset: %#x size: 1 data: %#x\n",
offset, (uint32_t)*data);
}
void
IdeController::writeConfig(int offset, int size, const uint8_t *data)
IdeController::readConfig(int offset, uint16_t *data)
{
int config_offset;
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::writeConfig(offset, size, data);
PciDev::readConfig(offset, data);
} else if (offset >= IDE_CTRL_CONF_START &&
(offset + size) <= IDE_CTRL_CONF_END) {
(offset + 2) <= IDE_CTRL_CONF_END) {
config_offset = offset - IDE_CTRL_CONF_START;
switch(size) {
case sizeof(uint8_t):
config_regs.data[config_offset] = *data;
switch (offset) {
case IDE_CTRL_CONF_PRIM_TIMING:
*data = config_regs.idetim0;
break;
case sizeof(uint16_t):
*(uint16_t*)&config_regs.data[config_offset] = *(uint16_t*)data;
case IDE_CTRL_CONF_SEC_TIMING:
*data = config_regs.idetim1;
break;
case sizeof(uint32_t):
*(uint32_t*)&config_regs.data[config_offset] = *(uint32_t*)data;
case IDE_CTRL_CONF_UDMA_TIMING:
*data = config_regs.udmatim;
break;
case IDE_CTRL_CONF_IDE_CONFIG:
*data = config_regs.ideconfig;
break;
default:
panic("Invalid PCI configuration write size!\n");
panic("Invalid PCI configuration read for size 2 offset: %#x!\n",
offset);
}
} else {
panic("Read of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI read offset: %#x size: 2 data: %#x\n", offset, *data);
}
void
IdeController::readConfig(int offset, uint32_t *data)
{
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::readConfig(offset, data);
} else {
panic("Read of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI read offset: %#x size: 4 data: %#x\n", offset, *data);
}
void
IdeController::writeConfig(int offset, const uint8_t data)
{
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::writeConfig(offset, data);
} else if (offset >= IDE_CTRL_CONF_START &&
(offset + 1) <= IDE_CTRL_CONF_END) {
switch (offset) {
case IDE_CTRL_CONF_DEV_TIMING:
config_regs.sidetim = data;
break;
case IDE_CTRL_CONF_UDMA_CNTRL:
config_regs.udmactl = data;
break;
case IDE_CTRL_CONF_IDE_CONFIG:
config_regs.ideconfig = (config_regs.ideconfig & 0xFF00) | (data);
break;
case IDE_CTRL_CONF_IDE_CONFIG+1:
config_regs.ideconfig = (config_regs.ideconfig & 0x00FF) | data << 8;
break;
default:
panic("Invalid PCI configuration write for size 1 offset: %#x!\n",
offset);
}
} else {
panic("Read of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI write offset: %#x size: 1 data: %#x\n",
offset, (uint32_t)data);
}
void
IdeController::writeConfig(int offset, const uint16_t data)
{
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::writeConfig(offset, data);
} else if (offset >= IDE_CTRL_CONF_START &&
(offset + 2) <= IDE_CTRL_CONF_END) {
switch (offset) {
case IDE_CTRL_CONF_PRIM_TIMING:
config_regs.idetim0 = data;
break;
case IDE_CTRL_CONF_SEC_TIMING:
config_regs.idetim1 = data;
break;
case IDE_CTRL_CONF_UDMA_TIMING:
config_regs.udmatim = data;
break;
case IDE_CTRL_CONF_IDE_CONFIG:
config_regs.ideconfig = data;
break;
default:
panic("Invalid PCI configuration write for size 2 offset: %#x!\n",
offset);
}
} else {
panic("Write of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI write offset: %#x size: 2 data: %#x\n", offset, data);
DPRINTF(IdeCtrl, "PCI write offset: %#x size: %#x data: %#x\n",
offset, size, data);
// Catch the writes to specific PCI registers that have side affects
// (like updating the PIO ranges)
switch (offset) {
case PCI_COMMAND:
/* Trap command register writes and enable IO/BM as appropriate. */
if (offset == PCI_COMMAND) {
if (letoh(config.command) & PCI_CMD_IOSE)
io_enabled = true;
else
@@ -334,91 +379,111 @@ IdeController::writeConfig(int offset, int size, const uint8_t *data)
bm_enabled = true;
else
bm_enabled = false;
break;
}
}
void
IdeController::writeConfig(int offset, const uint32_t data)
{
if (offset < PCI_DEVICE_SPECIFIC) {
PciDev::writeConfig(offset, data);
} else {
panic("Read of unimplemented PCI config. register: %x\n", offset);
}
DPRINTF(IdeCtrl, "PCI write offset: %#x size: 4 data: %#x\n", offset, data);
switch(offset) {
case PCI0_BASE_ADDR0:
if (BARAddrs[0] != 0) {
if (BARAddrs[0] != 0)
pri_cmd_addr = BARAddrs[0];
if (pioInterface)
pioInterface->addAddrRange(RangeSize(pri_cmd_addr,
pri_cmd_size));
pri_cmd_addr &= EV5::PAddrUncachedMask;
}
break;
case PCI0_BASE_ADDR1:
if (BARAddrs[1] != 0) {
if (BARAddrs[1] != 0)
pri_ctrl_addr = BARAddrs[1];
if (pioInterface)
pioInterface->addAddrRange(RangeSize(pri_ctrl_addr,
pri_ctrl_size));
pri_ctrl_addr &= EV5::PAddrUncachedMask;
}
break;
case PCI0_BASE_ADDR2:
if (BARAddrs[2] != 0) {
if (BARAddrs[2] != 0)
sec_cmd_addr = BARAddrs[2];
if (pioInterface)
pioInterface->addAddrRange(RangeSize(sec_cmd_addr,
sec_cmd_size));
sec_cmd_addr &= EV5::PAddrUncachedMask;
}
break;
case PCI0_BASE_ADDR3:
if (BARAddrs[3] != 0) {
if (BARAddrs[3] != 0)
sec_ctrl_addr = BARAddrs[3];
if (pioInterface)
pioInterface->addAddrRange(RangeSize(sec_ctrl_addr,
sec_ctrl_size));
sec_ctrl_addr &= EV5::PAddrUncachedMask;
}
break;
case PCI0_BASE_ADDR4:
if (BARAddrs[4] != 0) {
if (BARAddrs[4] != 0)
bmi_addr = BARAddrs[4];
if (pioInterface)
pioInterface->addAddrRange(RangeSize(bmi_addr, bmi_size));
bmi_addr &= EV5::PAddrUncachedMask;
}
break;
}
}
Fault
IdeController::read(MemReqPtr &req, uint8_t *data)
Tick
IdeController::read(Packet &pkt)
{
Addr offset;
IdeChannel channel;
IdeRegType reg_type;
int disk;
parseAddr(req->paddr, offset, channel, reg_type);
uint8_t *data8 = 0 ;
uint16_t *data16 = 0;
uint32_t *data32 = 0;
if (!io_enabled)
return NoFault;
switch(pkt.size) {
case sizeof(uint8_t):
if (!pkt.data) {
data8 = new uint8_t;
pkt.data = data8;
} else
data8 = pkt.data;
*data8 = 0;
break;
case sizeof(uint16_t):
if (!pkt.data) {
data16 = new uint16_t;
pkt.data = (uint8_t*)data16;
} else
data16 = (uint16_t*)pkt.data;
*data16 = 0;
break;
case sizeof(uint32_t):
if (!pkt.data) {
data32 = new uint32_t;
pkt.data = (uint8_t*)data32;
} else
data32 = (uint32_t*)pkt.data;
*data32 = 0;
break;
default:
panic("Bad IDE read size: %d\n", pkt.size);
}
parseAddr(pkt.addr, offset, channel, reg_type);
if (!io_enabled) {
pkt.result = Success;
return pioDelay;
}
switch (reg_type) {
case BMI_BLOCK:
switch (req->size) {
switch (pkt.size) {
case sizeof(uint8_t):
*data = bmi_regs.data[offset];
*data8 = bmi_regs.data[offset];
break;
case sizeof(uint16_t):
*(uint16_t*)data = *(uint16_t*)&bmi_regs.data[offset];
*data16 = *(uint16_t*)&bmi_regs.data[offset];
break;
case sizeof(uint32_t):
*(uint32_t*)data = *(uint32_t*)&bmi_regs.data[offset];
*data32 = *(uint32_t*)&bmi_regs.data[offset];
break;
default:
panic("IDE read of BMI reg invalid size: %#x\n", req->size);
panic("IDE read of BMI reg invalid size: %#x\n", pkt.size);
}
break;
@@ -431,68 +496,82 @@ IdeController::read(MemReqPtr &req, uint8_t *data)
switch (offset) {
case DATA_OFFSET:
switch (req->size) {
switch (pkt.size) {
case sizeof(uint16_t):
disks[disk]->read(offset, reg_type, data);
disks[disk]->read(offset, reg_type, (uint8_t*)data16);
break;
case sizeof(uint32_t):
disks[disk]->read(offset, reg_type, data);
disks[disk]->read(offset, reg_type, &data[2]);
disks[disk]->read(offset, reg_type, (uint8_t*)data16);
disks[disk]->read(offset, reg_type, (uint8_t*)(data16 + sizeof(uint16_t)));
break;
default:
panic("IDE read of data reg invalid size: %#x\n", req->size);
panic("IDE read of data reg invalid size: %#x\n", pkt.size);
}
break;
default:
if (req->size == sizeof(uint8_t)) {
disks[disk]->read(offset, reg_type, data);
if (pkt.size == sizeof(uint8_t)) {
disks[disk]->read(offset, reg_type, data8);
} else
panic("IDE read of command reg of invalid size: %#x\n", req->size);
panic("IDE read of command reg of invalid size: %#x\n", pkt.size);
}
break;
default:
panic("IDE controller read of unknown register block type!\n");
}
if (pkt.size == 1)
DPRINTF(IdeCtrl, "read from offset: %#x size: %#x data: %#x\n",
offset, req->size, *(uint32_t*)data);
offset, pkt.size, (uint32_t)*data8);
else if (pkt.size == 2)
DPRINTF(IdeCtrl, "read from offset: %#x size: %#x data: %#x\n",
offset, pkt.size, *data16);
else
DPRINTF(IdeCtrl, "read from offset: %#x size: %#x data: %#x\n",
offset, pkt.size, *data32);
return NoFault;
pkt.result = Success;
return pioDelay;
}
Fault
IdeController::write(MemReqPtr &req, const uint8_t *data)
Tick
IdeController::write(Packet &pkt)
{
Addr offset;
IdeChannel channel;
IdeRegType reg_type;
int disk;
uint8_t oldVal, newVal;
uint8_t data8 = *(uint8_t*)pkt.data;
uint32_t data32 = *(uint32_t*)pkt.data;
parseAddr(req->paddr, offset, channel, reg_type);
if (!io_enabled)
return NoFault;
parseAddr(pkt.addr, offset, channel, reg_type);
if (!io_enabled) {
pkt.result = Success;
return pioDelay;
}
switch (reg_type) {
case BMI_BLOCK:
if (!bm_enabled)
return NoFault;
if (!bm_enabled) {
pkt.result = Success;
return pioDelay;
}
switch (offset) {
// Bus master IDE command register
case BMIC1:
case BMIC0:
if (req->size != sizeof(uint8_t))
panic("Invalid BMIC write size: %x\n", req->size);
if (pkt.size != sizeof(uint8_t))
panic("Invalid BMIC write size: %x\n", pkt.size);
// select the current disk based on DEV bit
disk = getDisk(channel);
oldVal = bmi_regs.chan[channel].bmic;
newVal = *data;
newVal = data8;
// if a DMA transfer is in progress, R/W control cannot change
if (oldVal & SSBM) {
@@ -541,11 +620,11 @@ IdeController::write(MemReqPtr &req, const uint8_t *data)
// Bus master IDE status register
case BMIS0:
case BMIS1:
if (req->size != sizeof(uint8_t))
panic("Invalid BMIS write size: %x\n", req->size);
if (pkt.size != sizeof(uint8_t))
panic("Invalid BMIS write size: %x\n", pkt.size);
oldVal = bmi_regs.chan[channel].bmis;
newVal = *data;
newVal = data8;
// the BMIDEA bit is RO
newVal |= (oldVal & BMIDEA);
@@ -568,30 +647,28 @@ IdeController::write(MemReqPtr &req, const uint8_t *data)
case BMIDTP0:
case BMIDTP1:
{
if (req->size != sizeof(uint32_t))
panic("Invalid BMIDTP write size: %x\n", req->size);
if (pkt.size != sizeof(uint32_t))
panic("Invalid BMIDTP write size: %x\n", pkt.size);
uint32_t host_data = letoh(*(uint32_t*)data);
host_data &= ~0x3;
bmi_regs.chan[channel].bmidtp = htole(host_data);
bmi_regs.chan[channel].bmidtp = htole(data32 & ~0x3);
}
break;
default:
if (req->size != sizeof(uint8_t) &&
req->size != sizeof(uint16_t) &&
req->size != sizeof(uint32_t))
if (pkt.size != sizeof(uint8_t) &&
pkt.size != sizeof(uint16_t) &&
pkt.size != sizeof(uint32_t))
panic("IDE controller write of invalid write size: %x\n",
req->size);
pkt.size);
// do a default copy of data into the registers
memcpy(&bmi_regs.data[offset], data, req->size);
memcpy(&bmi_regs.data[offset], pkt.data, pkt.size);
}
break;
case COMMAND_BLOCK:
if (offset == IDE_SELECT_OFFSET) {
uint8_t *devBit = &dev[channel];
*devBit = (letoh(*data) & IDE_SELECT_DEV_BIT) ? 1 : 0;
*devBit = (letoh(data8) & IDE_SELECT_DEV_BIT) ? 1 : 0;
}
// fall-through ok!
case CONTROL_BLOCK:
@@ -602,34 +679,44 @@ IdeController::write(MemReqPtr &req, const uint8_t *data)
switch (offset) {
case DATA_OFFSET:
switch (req->size) {
switch (pkt.size) {
case sizeof(uint16_t):
disks[disk]->write(offset, reg_type, data);
disks[disk]->write(offset, reg_type, pkt.data);
break;
case sizeof(uint32_t):
disks[disk]->write(offset, reg_type, data);
disks[disk]->write(offset, reg_type, &data[2]);
disks[disk]->write(offset, reg_type, pkt.data);
disks[disk]->write(offset, reg_type, pkt.data +
sizeof(uint16_t));
break;
default:
panic("IDE write of data reg invalid size: %#x\n", req->size);
panic("IDE write of data reg invalid size: %#x\n", pkt.size);
}
break;
default:
if (req->size == sizeof(uint8_t)) {
disks[disk]->write(offset, reg_type, data);
if (pkt.size == sizeof(uint8_t)) {
disks[disk]->write(offset, reg_type, pkt.data);
} else
panic("IDE write of command reg of invalid size: %#x\n", req->size);
panic("IDE write of command reg of invalid size: %#x\n", pkt.size);
}
break;
default:
panic("IDE controller write of unknown register block type!\n");
}
if (pkt.size == 1)
DPRINTF(IdeCtrl, "write to offset: %#x size: %#x data: %#x\n",
offset, req->size, *(uint32_t*)data);
offset, pkt.size, (uint32_t)data8);
else if (pkt.size == 2)
DPRINTF(IdeCtrl, "write to offset: %#x size: %#x data: %#x\n",
offset, pkt.size, *(uint16_t*)pkt.data);
else
DPRINTF(IdeCtrl, "write to offset: %#x size: %#x data: %#x\n",
offset, pkt.size, data32);
return NoFault;
pkt.result = Success;
return pioDelay;
}
////
@@ -698,51 +785,35 @@ IdeController::unserialize(Checkpoint *cp, const std::string &section)
UNSERIALIZE_SCALAR(bm_enabled);
UNSERIALIZE_ARRAY(cmd_in_progress,
sizeof(cmd_in_progress) / sizeof(cmd_in_progress[0]));
if (pioInterface) {
pioInterface->addAddrRange(RangeSize(pri_cmd_addr, pri_cmd_size));
pioInterface->addAddrRange(RangeSize(pri_ctrl_addr, pri_ctrl_size));
pioInterface->addAddrRange(RangeSize(sec_cmd_addr, sec_cmd_size));
pioInterface->addAddrRange(RangeSize(sec_ctrl_addr, sec_ctrl_size));
pioInterface->addAddrRange(RangeSize(bmi_addr, bmi_size));
}
}
#ifndef DOXYGEN_SHOULD_SKIP_THIS
BEGIN_DECLARE_SIM_OBJECT_PARAMS(IdeController)
Param<Addr> addr;
SimObjectVectorParam<IdeDisk *> disks;
SimObjectParam<MemoryController *> mmu;
SimObjectParam<System *> system;
SimObjectParam<Platform *> platform;
SimObjectParam<PciConfigAll *> configspace;
SimObjectParam<PciConfigData *> configdata;
SimObjectParam<Platform *> platform;
Param<uint32_t> pci_bus;
Param<uint32_t> pci_dev;
Param<uint32_t> pci_func;
SimObjectParam<Bus *> pio_bus;
SimObjectParam<Bus *> dma_bus;
Param<Tick> pio_latency;
SimObjectParam<HierParams *> hier;
SimObjectVectorParam<IdeDisk *> disks;
END_DECLARE_SIM_OBJECT_PARAMS(IdeController)
BEGIN_INIT_SIM_OBJECT_PARAMS(IdeController)
INIT_PARAM(addr, "Device Address"),
INIT_PARAM(disks, "IDE disks attached to this controller"),
INIT_PARAM(mmu, "Memory controller"),
INIT_PARAM(system, "System pointer"),
INIT_PARAM(platform, "Platform pointer"),
INIT_PARAM(configspace, "PCI Configspace"),
INIT_PARAM(configdata, "PCI Config data"),
INIT_PARAM(platform, "Platform pointer"),
INIT_PARAM(pci_bus, "PCI bus ID"),
INIT_PARAM(pci_dev, "PCI device number"),
INIT_PARAM(pci_func, "PCI function code"),
INIT_PARAM(pio_bus, ""),
INIT_PARAM(dma_bus, ""),
INIT_PARAM_DFLT(pio_latency, "Programmed IO latency in bus cycles", 1),
INIT_PARAM_DFLT(hier, "Hierarchy global variables", &defaultHierParams)
INIT_PARAM(disks, "IDE disks attached to this controller")
END_INIT_SIM_OBJECT_PARAMS(IdeController)
@@ -750,19 +821,15 @@ CREATE_SIM_OBJECT(IdeController)
{
IdeController::Params *params = new IdeController::Params;
params->name = getInstanceName();
params->mmu = mmu;
params->platform = platform;
params->system = system;
params->configSpace = configspace;
params->configData = configdata;
params->plat = platform;
params->busNum = pci_bus;
params->deviceNum = pci_dev;
params->functionNum = pci_func;
params->pio_delay = pio_latency;
params->disks = disks;
params->pio_bus = pio_bus;
params->dma_bus = dma_bus;
params->pio_latency = pio_latency;
params->hier = hier;
return new IdeController(params);
}