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-rw-r--r--src/dev/Ethernet.py52
-rw-r--r--src/dev/Ide.py24
-rw-r--r--src/dev/Pci.py35
-rw-r--r--src/dev/pcidev.cc107
-rw-r--r--src/dev/pcidev.hh36
5 files changed, 101 insertions, 153 deletions
diff --git a/src/dev/Ethernet.py b/src/dev/Ethernet.py
index bef9a0a20..2beb0d537 100644
--- a/src/dev/Ethernet.py
+++ b/src/dev/Ethernet.py
@@ -29,7 +29,7 @@
from m5.SimObject import SimObject
from m5.params import *
from m5.proxy import *
-from Pci import PciDevice, PciConfigData
+from Pci import PciDevice
class EtherObject(SimObject):
type = 'EtherObject'
@@ -79,8 +79,6 @@ class IGbE(EtherDevice):
tx_desc_cache_size = Param.Int(64,
"Number of enteries in the rx descriptor cache")
clock = Param.Clock('500MHz', "Clock speed of the device")
-
-class IGbEPciData(PciConfigData):
VendorID = 0x8086
DeviceID = 0x1075
SubsystemID = 0x1008
@@ -125,7 +123,13 @@ class EtherDevBase(EtherDevice):
tx_thread = Param.Bool(False, "dedicated kernel threads for receive")
rss = Param.Bool(False, "Receive Side Scaling")
-class NSGigEPciData(PciConfigData):
+class NSGigE(EtherDevBase):
+ type = 'NSGigE'
+
+ dma_data_free = Param.Bool(False, "DMA of Data is free")
+ dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
+ dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
+
VendorID = 0x100B
DeviceID = 0x0022
Status = 0x0290
@@ -145,17 +149,25 @@ class NSGigEPciData(PciConfigData):
BAR0Size = '256B'
BAR1Size = '4kB'
-class NSGigE(EtherDevBase):
- type = 'NSGigE'
- dma_data_free = Param.Bool(False, "DMA of Data is free")
- dma_desc_free = Param.Bool(False, "DMA of Descriptors is free")
- dma_no_allocate = Param.Bool(True, "Should we allocate cache on read")
- configdata = NSGigEPciData()
+class Sinic(EtherDevBase):
+ type = 'Sinic'
+ cxx_namespace = 'Sinic'
+ cxx_class = 'Device'
+ rx_max_copy = Param.MemorySize('1514B', "rx max copy")
+ tx_max_copy = Param.MemorySize('16kB', "tx max copy")
+ rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
+ rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
+ rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
+ tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
+ tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
+ virtual_count = Param.UInt32(1, "Virtualized SINIC")
+ zero_copy = Param.Bool(False, "Zero copy receive")
+ delay_copy = Param.Bool(False, "Delayed copy transmit")
+ virtual_addr = Param.Bool(False, "Virtual addressing")
-class SinicPciData(PciConfigData):
VendorID = 0x1291
DeviceID = 0x1293
Status = 0x0290
@@ -174,22 +186,4 @@ class SinicPciData(PciConfigData):
InterruptPin = 0x01
BAR0Size = '64kB'
-class Sinic(EtherDevBase):
- type = 'Sinic'
- cxx_namespace = 'Sinic'
- cxx_class = 'Device'
-
- rx_max_copy = Param.MemorySize('1514B', "rx max copy")
- tx_max_copy = Param.MemorySize('16kB', "tx max copy")
- rx_max_intr = Param.UInt32(10, "max rx packets per interrupt")
- rx_fifo_threshold = Param.MemorySize('384kB', "rx fifo high threshold")
- rx_fifo_low_mark = Param.MemorySize('128kB', "rx fifo low threshold")
- tx_fifo_high_mark = Param.MemorySize('384kB', "tx fifo high threshold")
- tx_fifo_threshold = Param.MemorySize('128kB', "tx fifo low threshold")
- virtual_count = Param.UInt32(1, "Virtualized SINIC")
- zero_copy = Param.Bool(False, "Zero copy receive")
- delay_copy = Param.Bool(False, "Delayed copy transmit")
- virtual_addr = Param.Bool(False, "Virtual addressing")
-
- configdata = SinicPciData()
diff --git a/src/dev/Ide.py b/src/dev/Ide.py
index 6bbaad00e..a396c9690 100644
--- a/src/dev/Ide.py
+++ b/src/dev/Ide.py
@@ -28,11 +28,20 @@
from m5.SimObject import SimObject
from m5.params import *
-from Pci import PciDevice, PciConfigData
+from Pci import PciDevice
class IdeID(Enum): vals = ['master', 'slave']
-class IdeControllerPciData(PciConfigData):
+class IdeDisk(SimObject):
+ type = 'IdeDisk'
+ delay = Param.Latency('1us', "Fixed disk delay in microseconds")
+ driveID = Param.IdeID('master', "Drive ID")
+ image = Param.DiskImage("Disk image")
+
+class IdeController(PciDevice):
+ type = 'IdeController'
+ disks = VectorParam.IdeDisk("IDE disks attached to this controller")
+
VendorID = 0x8086
DeviceID = 0x7111
Command = 0x0
@@ -55,14 +64,3 @@ class IdeControllerPciData(PciConfigData):
BAR3Size = '4B'
BAR4Size = '16B'
-class IdeDisk(SimObject):
- type = 'IdeDisk'
- delay = Param.Latency('1us', "Fixed disk delay in microseconds")
- driveID = Param.IdeID('master', "Drive ID")
- image = Param.DiskImage("Disk image")
-
-class IdeController(PciDevice):
- type = 'IdeController'
- disks = VectorParam.IdeDisk("IDE disks attached to this controller")
-
- configdata =IdeControllerPciData()
diff --git a/src/dev/Pci.py b/src/dev/Pci.py
index b2c013f41..b50e1b15c 100644
--- a/src/dev/Pci.py
+++ b/src/dev/Pci.py
@@ -31,8 +31,23 @@ from m5.params import *
from m5.proxy import *
from Device import BasicPioDevice, DmaDevice, PioDevice
-class PciConfigData(SimObject):
- type = 'PciConfigData'
+class PciConfigAll(PioDevice):
+ type = 'PciConfigAll'
+ pio_latency = Param.Tick(1, "Programmed IO latency in simticks")
+ bus = Param.UInt8(0x00, "PCI bus to act as config space for")
+ size = Param.MemorySize32('16MB', "Size of config space")
+
+
+class PciDevice(DmaDevice):
+ type = 'PciDevice'
+ abstract = True
+ config = Port(Self.pio.peerObj.port, "PCI configuration space port")
+ pci_bus = Param.Int("PCI bus")
+ pci_dev = Param.Int("PCI device number")
+ pci_func = Param.Int("PCI function code")
+ pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
+ config_latency = Param.Latency('20ns', "Config read or write latency")
+
VendorID = Param.UInt16("Vendor ID")
DeviceID = Param.UInt16("Device ID")
Command = Param.UInt16(0, "Command")
@@ -68,20 +83,4 @@ class PciConfigData(SimObject):
MaximumLatency = Param.UInt8(0x00, "Maximum Latency")
MinimumGrant = Param.UInt8(0x00, "Minimum Grant")
-class PciConfigAll(PioDevice):
- type = 'PciConfigAll'
- pio_latency = Param.Tick(1, "Programmed IO latency in simticks")
- bus = Param.UInt8(0x00, "PCI bus to act as config space for")
- size = Param.MemorySize32('16MB', "Size of config space")
-
-class PciDevice(DmaDevice):
- type = 'PciDevice'
- abstract = True
- config = Port(Self.pio.peerObj.port, "PCI configuration space port")
- pci_bus = Param.Int("PCI bus")
- pci_dev = Param.Int("PCI device number")
- pci_func = Param.Int("PCI function code")
- pio_latency = Param.Latency('1ns', "Programmed IO latency in simticks")
- configdata = Param.PciConfigData(Parent.any, "PCI Config data")
- config_latency = Param.Latency('20ns', "Config read or write latency")
diff --git a/src/dev/pcidev.cc b/src/dev/pcidev.cc
index 6c67e324c..aa532414c 100644
--- a/src/dev/pcidev.cc
+++ b/src/dev/pcidev.cc
@@ -48,7 +48,6 @@
#include "dev/alpha/tsunamireg.h"
#include "mem/packet.hh"
#include "mem/packet_access.hh"
-#include "params/PciConfigData.hh"
#include "sim/byteswap.hh"
#include "sim/core.hh"
@@ -82,21 +81,57 @@ PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp,
PciDev::PciDev(const Params *p)
- : DmaDevice(p), plat(p->platform), configData(p->configdata),
- pioDelay(p->pio_latency), configDelay(p->config_latency),
- configPort(NULL)
+ : DmaDevice(p), plat(p->platform), pioDelay(p->pio_latency),
+ configDelay(p->config_latency), configPort(NULL)
{
- // 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));
- } else
- panic("NULL pointer to configuration data");
+ config.vendor = htole(p->VendorID);
+ config.device = htole(p->DeviceID);
+ config.command = htole(p->Command);
+ config.status = htole(p->Status);
+ config.revision = htole(p->Revision);
+ config.progIF = htole(p->ProgIF);
+ config.subClassCode = htole(p->SubClassCode);
+ config.classCode = htole(p->ClassCode);
+ config.cacheLineSize = htole(p->CacheLineSize);
+ config.latencyTimer = htole(p->LatencyTimer);
+ config.headerType = htole(p->HeaderType);
+ config.bist = htole(p->BIST);
+
+ config.baseAddr[0] = htole(p->BAR0);
+ config.baseAddr[1] = htole(p->BAR1);
+ config.baseAddr[2] = htole(p->BAR2);
+ config.baseAddr[3] = htole(p->BAR3);
+ config.baseAddr[4] = htole(p->BAR4);
+ config.baseAddr[5] = htole(p->BAR5);
+ config.cardbusCIS = htole(p->CardbusCIS);
+ config.subsystemVendorID = htole(p->SubsystemVendorID);
+ config.subsystemID = htole(p->SubsystemID);
+ config.expansionROM = htole(p->ExpansionROM);
+ config.reserved0 = 0;
+ config.reserved1 = 0;
+ config.interruptLine = htole(p->InterruptLine);
+ config.interruptPin = htole(p->InterruptPin);
+ config.minimumGrant = htole(p->MinimumGrant);
+ config.maximumLatency = htole(p->MaximumLatency);
+
+ BARSize[0] = p->BAR0Size;
+ BARSize[1] = p->BAR1Size;
+ BARSize[2] = p->BAR2Size;
+ BARSize[3] = p->BAR3Size;
+ BARSize[4] = p->BAR4Size;
+ BARSize[5] = p->BAR5Size;
+
+ for (int i = 0; i < 6; ++i) {
+ uint32_t barsize = BARSize[i];
+ if (barsize != 0 && !isPowerOf2(barsize)) {
+ fatal("BAR %d size %d is not a power of 2\n", i, BARSize[i]);
+ }
+ }
memset(BARAddrs, 0, sizeof(BARAddrs));
plat->registerPciDevice(0, p->pci_dev, p->pci_func,
- letoh(configData->config.interruptLine));
+ letoh(config.interruptLine));
}
void
@@ -304,53 +339,3 @@ PciDev::unserialize(Checkpoint *cp, const std::string &section)
}
-PciConfigData *
-PciConfigDataParams::create()
-{
- PciConfigData *data = new PciConfigData(name);
-
- 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.baseAddr[0] = htole(BAR0);
- data->config.baseAddr[1] = htole(BAR1);
- data->config.baseAddr[2] = htole(BAR2);
- data->config.baseAddr[3] = htole(BAR3);
- data->config.baseAddr[4] = htole(BAR4);
- data->config.baseAddr[5] = htole(BAR5);
- data->config.cardbusCIS = htole(CardbusCIS);
- data->config.subsystemVendorID = htole(SubsystemVendorID);
- data->config.subsystemID = htole(SubsystemID);
- 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;
-
- for (int i = 0; i < 6; ++i) {
- uint32_t barsize = data->BARSize[i];
- if (barsize != 0 && !isPowerOf2(barsize)) {
- fatal("%s: BAR %d size %d is not a power of 2\n",
- name, i, data->BARSize[i]);
- }
- }
-
- return data;
-}
diff --git a/src/dev/pcidev.hh b/src/dev/pcidev.hh
index 6c72d1b15..a584a957d 100644
--- a/src/dev/pcidev.hh
+++ b/src/dev/pcidev.hh
@@ -52,30 +52,6 @@
#define BAR_NUMBER(x) (((x) - PCI0_BASE_ADDR0) >> 0x2);
-/**
- * This class encapulates the first 64 bytes of a singles PCI
- * devices config space that in configured by the configuration file.
- */
-class PciConfigData : public SimObject
-{
- public:
- /**
- * Constructor to initialize the devices config space to 0.
- */
- PciConfigData(const std::string &name)
- : SimObject(name)
- {
- std::memset(config.data, 0, sizeof(config.data));
- std::memset(BARSize, 0, sizeof(BARSize));
- }
-
- /** The first 64 bytes */
- PCIConfig config;
-
- /** The size of the BARs */
- uint32_t BARSize[6];
-};
-
/**
* PCI device, base implementation is only config space.
@@ -114,10 +90,7 @@ class PciDev : public DmaDevice
}
protected:
- /** The current config space. Unlike the PciConfigData this is
- * updated during simulation while continues to reflect what was
- * in the config file.
- */
+ /** The current config space. */
PCIConfig config;
/** The size of the BARs */
@@ -174,7 +147,6 @@ class PciDev : public DmaDevice
protected:
Platform *plat;
- PciConfigData *configData;
Tick pioDelay;
Tick configDelay;
PciConfigPort *configPort;
@@ -202,15 +174,15 @@ class PciDev : public DmaDevice
void
intrPost()
- { plat->postPciInt(letoh(configData->config.interruptLine)); }
+ { plat->postPciInt(letoh(config.interruptLine)); }
void
intrClear()
- { plat->clearPciInt(letoh(configData->config.interruptLine)); }
+ { plat->clearPciInt(letoh(config.interruptLine)); }
uint8_t
interruptLine()
- { return letoh(configData->config.interruptLine); }
+ { return letoh(config.interruptLine); }
/** return the address ranges that this device responds to.
* @params range_list range list to populate with ranges
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 11:42:00 +0000