ARM: Make GIC function that should only be called by GIC protected.
[gem5.git] / src / dev / pcidev.cc
index 383fc494f014a829921bc1320ed498e0a4b691c2..a22612d185f780f79d885f2916aa47b019b03efd 100644 (file)
 #include <vector>
 
 #include "base/inifile.hh"
-#include "base/intmath.hh" // for isPowerOf2(
+#include "base/intmath.hh"
 #include "base/misc.hh"
-#include "base/str.hh" // for to_number
+#include "base/str.hh"
 #include "base/trace.hh"
+#include "debug/PCIDEV.hh"
+#include "dev/alpha/tsunamireg.h"
 #include "dev/pciconfigall.hh"
 #include "dev/pcidev.hh"
-#include "dev/alpha/tsunamireg.h"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
-#include "sim/builder.hh"
 #include "sim/byteswap.hh"
-#include "sim/param.hh"
-#include "sim/root.hh"
+#include "sim/core.hh"
 
 using namespace std;
 
 
 PciDev::PciConfigPort::PciConfigPort(PciDev *dev, int busid, int devid,
         int funcid, Platform *p)
-    : SimpleTimingPort(dev->name() + "-pciconf"), device(dev), platform(p),
-      busId(busid), deviceId(devid), functionId(funcid)
+    : SimpleTimingPort(dev->name() + "-pciconf", dev), device(dev),
+      platform(p), busId(busid), deviceId(devid), functionId(funcid)
 {
-    configAddr = platform->calcConfigAddr(busId, deviceId, functionId);
+    configAddr = platform->calcPciConfigAddr(busId, deviceId, functionId);
 }
 
 
 Tick
 PciDev::PciConfigPort::recvAtomic(PacketPtr pkt)
 {
-    assert(pkt->result == Packet::Unknown);
     assert(pkt->getAddr() >= configAddr &&
            pkt->getAddr() < configAddr + PCI_CONFIG_SIZE);
     return pkt->isRead() ? device->readConfig(pkt) : device->writeConfig(pkt);
@@ -76,29 +74,77 @@ PciDev::PciConfigPort::recvAtomic(PacketPtr pkt)
 
 void
 PciDev::PciConfigPort::getDeviceAddressRanges(AddrRangeList &resp,
-                                              AddrRangeList &snoop)
+                                              bool &snoop)
 {
-    snoop.clear();
-    resp.push_back(RangeSize(configAddr, PCI_CONFIG_SIZE+1));
+    snoop = false;;
+    if (configAddr != ULL(-1))
+        resp.push_back(RangeSize(configAddr, PCI_CONFIG_SIZE+1));
 }
 
 
-PciDev::PciDev(Params *p)
-    : DmaDevice(p), plat(p->platform), configData(p->configData),
-      pioDelay(p->pio_delay), configDelay(p->config_delay),
-      configPort(NULL)
+PciDev::PciDev(const Params *p)
+    : 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;
+
+    legacyIO[0] = p->BAR0LegacyIO;
+    legacyIO[1] = p->BAR1LegacyIO;
+    legacyIO[2] = p->BAR2LegacyIO;
+    legacyIO[3] = p->BAR3LegacyIO;
+    legacyIO[4] = p->BAR4LegacyIO;
+    legacyIO[5] = p->BAR5LegacyIO;
 
-    memset(BARAddrs, 0, sizeof(BARAddrs));
+    for (int i = 0; i < 6; ++i) {
+        if (legacyIO[i]) {
+            BARAddrs[i] = platform->calcPciIOAddr(letoh(config.baseAddr[i]));
+            config.baseAddr[i] = 0;
+        } else {
+            BARAddrs[i] = 0;
+            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]);
+            }
+        }
+    }
 
-    plat->registerPciDevice(0, p->deviceNum, p->functionNum,
-            letoh(configData->config.interruptLine));
+    plat->registerPciDevice(0, p->pci_dev, p->pci_func,
+            letoh(config.interruptLine));
 }
 
 void
@@ -136,27 +182,27 @@ PciDev::readConfig(PacketPtr pkt)
         pkt->set<uint8_t>(config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint8_t>());
         break;
       case sizeof(uint16_t):
         pkt->set<uint16_t>(*(uint16_t*)&config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint16_t>());
         break;
       case sizeof(uint32_t):
         pkt->set<uint32_t>(*(uint32_t*)&config.data[offset]);
         DPRINTF(PCIDEV,
             "readConfig:  dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint32_t>());
         break;
       default:
         panic("invalid access size(?) for PCI configspace!\n");
     }
-    pkt->result = Packet::Success;
+    pkt->makeAtomicResponse();
     return configDelay;
 
 }
@@ -183,8 +229,10 @@ PciDev::writeConfig(PacketPtr pkt)
         switch (offset) {
           case PCI0_INTERRUPT_LINE:
             config.interruptLine = pkt->get<uint8_t>();
+            break;
           case PCI_CACHE_LINE_SIZE:
             config.cacheLineSize = pkt->get<uint8_t>();
+            break;
           case PCI_LATENCY_TIMER:
             config.latencyTimer = pkt->get<uint8_t>();
             break;
@@ -200,15 +248,17 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 1 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint8_t>());
         break;
       case sizeof(uint16_t):
         switch (offset) {
           case PCI_COMMAND:
             config.command = pkt->get<uint8_t>();
+            break;
           case PCI_STATUS:
             config.status = pkt->get<uint8_t>();
+            break;
           case PCI_CACHE_LINE_SIZE:
             config.cacheLineSize = pkt->get<uint8_t>();
             break;
@@ -217,7 +267,7 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 2 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint16_t>());
         break;
       case sizeof(uint32_t):
@@ -231,30 +281,32 @@ PciDev::writeConfig(PacketPtr pkt)
             {
                 int barnum = BAR_NUMBER(offset);
 
-                // convert BAR values to host endianness
-                uint32_t he_old_bar = letoh(config.baseAddr[barnum]);
-                uint32_t he_new_bar = letoh(pkt->get<uint32_t>());
-
-                uint32_t bar_mask =
-                    BAR_IO_SPACE(he_old_bar) ? BAR_IO_MASK : BAR_MEM_MASK;
-
-                // Writing 0xffffffff to a BAR tells the card to set the
-                // value of the bar to a bitmask indicating the size of
-                // memory it needs
-                if (he_new_bar == 0xffffffff) {
-                    he_new_bar = ~(BARSize[barnum] - 1);
-                } else {
-                    // does it mean something special to write 0 to a BAR?
-                    he_new_bar &= ~bar_mask;
-                    if (he_new_bar) {
-                        Addr space_base = BAR_IO_SPACE(he_old_bar) ?
-                            TSUNAMI_PCI0_IO : TSUNAMI_PCI0_MEMORY;
-                        BARAddrs[barnum] = he_new_bar + space_base;
-                        pioPort->sendStatusChange(Port::RangeChange);
+                if (!legacyIO[barnum]) {
+                    // convert BAR values to host endianness
+                    uint32_t he_old_bar = letoh(config.baseAddr[barnum]);
+                    uint32_t he_new_bar = letoh(pkt->get<uint32_t>());
+
+                    uint32_t bar_mask =
+                        BAR_IO_SPACE(he_old_bar) ? BAR_IO_MASK : BAR_MEM_MASK;
+
+                    // Writing 0xffffffff to a BAR tells the card to set the
+                    // value of the bar to a bitmask indicating the size of
+                    // memory it needs
+                    if (he_new_bar == 0xffffffff) {
+                        he_new_bar = ~(BARSize[barnum] - 1);
+                    } else {
+                        // does it mean something special to write 0 to a BAR?
+                        he_new_bar &= ~bar_mask;
+                        if (he_new_bar) {
+                            BARAddrs[barnum] = BAR_IO_SPACE(he_old_bar) ?
+                                platform->calcPciIOAddr(he_new_bar) :
+                                platform->calcPciMemAddr(he_new_bar);
+                            pioPort->sendStatusChange(Port::RangeChange);
+                        }
                     }
+                    config.baseAddr[barnum] = htole((he_new_bar & ~bar_mask) |
+                                                    (he_old_bar & bar_mask));
                 }
-                config.baseAddr[barnum] = htole((he_new_bar & ~bar_mask) |
-                                                (he_old_bar & bar_mask));
             }
             break;
 
@@ -277,15 +329,14 @@ PciDev::writeConfig(PacketPtr pkt)
         }
         DPRINTF(PCIDEV,
             "writeConfig: dev %#x func %#x reg %#x 4 bytes: data = %#x\n",
-            params()->deviceNum, params()->functionNum, offset,
+            params()->pci_dev, params()->pci_func, offset,
             (uint32_t)pkt->get<uint32_t>());
         break;
       default:
         panic("invalid access size(?) for PCI configspace!\n");
     }
-    pkt->result = Packet::Success;
+    pkt->makeAtomicResponse();
     return configDelay;
-
 }
 
 void
@@ -307,132 +358,3 @@ PciDev::unserialize(Checkpoint *cp, const std::string &section)
 
 }
 
-#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.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",
-                  getInstanceName(), i, data->BARSize[i]);
-        }
-    }
-
-    return data;
-}
-
-REGISTER_SIM_OBJECT("PciConfigData", PciConfigData)
-
-#endif // DOXYGEN_SHOULD_SKIP_THIS