Add in files from merge-bare-iron, get them compiling in FS and SE mode

--HG--
extra : convert_revision : d4e19afda897bc3797868b40469ce2ec7ec7d251

1 files changed, 529 insertions, 0 deletions

diff --git a/src/dev/mips/malta_cchip.cc b/src/dev/mips/malta_cchip.cc
new file mode 100755
index 000000000..5a4ea4585
--- /dev/null
+++ b/src/dev/mips/malta_cchip.cc
@@ -0,0 +1,529 @@
+/*
+ * 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: Ali Saidi
+ *          Rick Strong
+ */
+
+/** @file
+ * Emulation of the Malta CChip CSRs
+ */
+
+#include <deque>
+#include <string>
+#include <vector>
+
+#include "arch/mips/mips_core_specific.hh"
+#include "base/trace.hh"
+#include "cpu/intr_control.hh"
+#include "cpu/thread_context.hh"
+#include "dev/mips/malta.hh"
+#include "dev/mips/malta_cchip.hh"
+#include "dev/mips/maltareg.h"
+#include "mem/packet.hh"
+#include "mem/packet_access.hh"
+#include "mem/port.hh"
+#include "params/MaltaCChip.hh"
+#include "sim/system.hh"
+
+using namespace std;
+using namespace TheISA;
+
+MaltaCChip::MaltaCChip(Params *p)
+    : BasicPioDevice(p), malta(p->malta)
+{
+                warn("MaltaCCHIP::MaltaCChip() not implemented.");
+
+    pioSize = 0xfffffff;
+    //Put back pointer in malta
+    malta->cchip = this;
+
+}
+
+Tick
+MaltaCChip::read(PacketPtr pkt)
+{
+                panic("MaltaCCHIP::read() not implemented.");
+                return pioDelay;
+                /*
+    DPRINTF(Malta, "read  va=%#x size=%d\n", pkt->getAddr(), pkt->getSize());
+
+    assert(pkt->result == Packet::Unknown);
+    assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
+
+    Addr regnum = (pkt->getAddr() - pioAddr) >> 6;
+    Addr daddr = (pkt->getAddr() - pioAddr);
+
+    pkt->allocate();
+    switch (pkt->getSize()) {
+
+      case sizeof(uint64_t):
+          if (daddr & TSDEV_CC_BDIMS)
+          {
+              pkt->set(dim[(daddr >> 4) & 0x3F]);
+              break;
+          }
+
+          if (daddr & TSDEV_CC_BDIRS)
+          {
+              pkt->set(dir[(daddr >> 4) & 0x3F]);
+              break;
+          }
+
+          switch(regnum) {
+              case TSDEV_CC_CSR:
+                  pkt->set(0x0);
+                  break;
+              case TSDEV_CC_MTR:
+                  panic("TSDEV_CC_MTR not implemeted\n");
+                   break;
+              case TSDEV_CC_MISC:
+                  pkt->set((ipint << 8) & 0xF | (itint << 4) & 0xF |
+                                     (pkt->req->getCpuNum() & 0x3));
+                  break;
+              case TSDEV_CC_AAR0:
+              case TSDEV_CC_AAR1:
+              case TSDEV_CC_AAR2:
+              case TSDEV_CC_AAR3:
+                  pkt->set(0);
+                  break;
+              case TSDEV_CC_DIM0:
+                  pkt->set(dim[0]);
+                  break;
+              case TSDEV_CC_DIM1:
+                  pkt->set(dim[1]);
+                  break;
+              case TSDEV_CC_DIM2:
+                  pkt->set(dim[2]);
+                  break;
+              case TSDEV_CC_DIM3:
+                  pkt->set(dim[3]);
+                  break;
+              case TSDEV_CC_DIR0:
+                  pkt->set(dir[0]);
+                  break;
+              case TSDEV_CC_DIR1:
+                  pkt->set(dir[1]);
+                  break;
+              case TSDEV_CC_DIR2:
+                  pkt->set(dir[2]);
+                  break;
+              case TSDEV_CC_DIR3:
+                  pkt->set(dir[3]);
+                  break;
+              case TSDEV_CC_DRIR:
+                  pkt->set(drir);
+                  break;
+              case TSDEV_CC_PRBEN:
+                  panic("TSDEV_CC_PRBEN not implemented\n");
+                  break;
+              case TSDEV_CC_IIC0:
+              case TSDEV_CC_IIC1:
+              case TSDEV_CC_IIC2:
+              case TSDEV_CC_IIC3:
+                  panic("TSDEV_CC_IICx not implemented\n");
+                  break;
+              case TSDEV_CC_MPR0:
+              case TSDEV_CC_MPR1:
+              case TSDEV_CC_MPR2:
+              case TSDEV_CC_MPR3:
+                  panic("TSDEV_CC_MPRx not implemented\n");
+                  break;
+              case TSDEV_CC_IPIR:
+                  pkt->set(ipint);
+                  break;
+              case TSDEV_CC_ITIR:
+                  pkt->set(itint);
+                  break;
+              default:
+                  panic("default in cchip read reached, accessing 0x%x\n");
+           } // uint64_t
+
+      break;
+      case sizeof(uint32_t):
+      case sizeof(uint16_t):
+      case sizeof(uint8_t):
+      default:
+        panic("invalid access size(?) for malta register!\n");
+    }
+    DPRINTF(Malta, "Malta CChip: read  regnum=%#x size=%d data=%lld\n",
+            regnum, pkt->getSize(), pkt->get<uint64_t>());
+
+    pkt->result = Packet::Success;
+    return pioDelay;
+    */
+}
+
+Tick
+MaltaCChip::write(PacketPtr pkt)
+{
+                panic("MaltaCCHIP::write() not implemented.");
+                return pioDelay;
+                /*
+    assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
+    Addr daddr = pkt->getAddr() - pioAddr;
+    Addr regnum = (pkt->getAddr() - pioAddr) >> 6 ;
+
+
+    assert(pkt->getSize() == sizeof(uint64_t));
+
+    DPRINTF(Malta, "write - addr=%#x value=%#x\n", pkt->getAddr(), pkt->get<uint64_t>());
+
+    bool supportedWrite = false;
+
+
+    if (daddr & TSDEV_CC_BDIMS)
+    {
+        int number = (daddr >> 4) & 0x3F;
+
+        uint64_t bitvector;
+        uint64_t olddim;
+        uint64_t olddir;
+
+        olddim = dim[number];
+        olddir = dir[number];
+        dim[number] = pkt->get<uint64_t>();
+        dir[number] = dim[number] & drir;
+        for(int x = 0; x < Malta::Max_CPUs; x++)
+        {
+            bitvector = ULL(1) << x;
+            // Figure out which bits have changed
+            if ((dim[number] & bitvector) != (olddim & bitvector))
+            {
+                // The bit is now set and it wasn't before (set)
+                if((dim[number] & bitvector) && (dir[number] & bitvector))
+                {
+                    malta->intrctrl->post(number, TheISA::INTLEVEL_IRQ1, x);
+                    DPRINTF(Malta, "dim write resulting in posting dir"
+                            " interrupt to cpu %d\n", number);
+                }
+                else if ((olddir & bitvector) &&
+                        !(dir[number] & bitvector))
+                {
+                    // The bit was set and now its now clear and
+                    // we were interrupting on that bit before
+                    malta->intrctrl->clear(number, TheISA::INTLEVEL_IRQ1, x);
+                    DPRINTF(Malta, "dim write resulting in clear"
+                            " dir interrupt to cpu %d\n", number);
+
+                }
+
+
+            }
+        }
+    } else {
+        switch(regnum) {
+          case TSDEV_CC_CSR:
+              panic("TSDEV_CC_CSR write\n");
+          case TSDEV_CC_MTR:
+              panic("TSDEV_CC_MTR write not implemented\n");
+          case TSDEV_CC_MISC:
+            uint64_t ipreq;
+            ipreq = (pkt->get<uint64_t>() >> 12) & 0xF;
+            //If it is bit 12-15, this is an IPI post
+            if (ipreq) {
+                reqIPI(ipreq);
+                supportedWrite = true;
+            }
+
+            //If it is bit 8-11, this is an IPI clear
+            uint64_t ipintr;
+            ipintr = (pkt->get<uint64_t>() >> 8) & 0xF;
+            if (ipintr) {
+                clearIPI(ipintr);
+                supportedWrite = true;
+            }
+
+            //If it is the 4-7th bit, clear the RTC interrupt
+            uint64_t itintr;
+              itintr = (pkt->get<uint64_t>() >> 4) & 0xF;
+            if (itintr) {
+                  clearITI(itintr);
+                supportedWrite = true;
+            }
+
+              // ignore NXMs
+              if (pkt->get<uint64_t>() & 0x10000000)
+                  supportedWrite = true;
+
+            if(!supportedWrite)
+                  panic("TSDEV_CC_MISC write not implemented\n");
+
+            break;
+            case TSDEV_CC_AAR0:
+            case TSDEV_CC_AAR1:
+            case TSDEV_CC_AAR2:
+            case TSDEV_CC_AAR3:
+                panic("TSDEV_CC_AARx write not implemeted\n");
+            case TSDEV_CC_DIM0:
+            case TSDEV_CC_DIM1:
+            case TSDEV_CC_DIM2:
+            case TSDEV_CC_DIM3:
+                int number;
+                if(regnum == TSDEV_CC_DIM0)
+                    number = 0;
+                else if(regnum == TSDEV_CC_DIM1)
+                    number = 1;
+                else if(regnum == TSDEV_CC_DIM2)
+                    number = 2;
+                else
+                    number = 3;
+
+                uint64_t bitvector;
+                uint64_t olddim;
+                uint64_t olddir;
+
+                olddim = dim[number];
+                olddir = dir[number];
+                dim[number] = pkt->get<uint64_t>();
+                dir[number] = dim[number] & drir;
+                for(int x = 0; x < 64; x++)
+                {
+                    bitvector = ULL(1) << x;
+                    // Figure out which bits have changed
+                    if ((dim[number] & bitvector) != (olddim & bitvector))
+                    {
+                        // The bit is now set and it wasn't before (set)
+                        if((dim[number] & bitvector) && (dir[number] & bitvector))
+                        {
+                          malta->intrctrl->post(number, TheISA::INTLEVEL_IRQ1, x);
+                          DPRINTF(Malta, "posting dir interrupt to cpu 0\n");
+                        }
+                        else if ((olddir & bitvector) &&
+                                !(dir[number] & bitvector))
+                        {
+                            // The bit was set and now its now clear and
+                            // we were interrupting on that bit before
+                            malta->intrctrl->clear(number, TheISA::INTLEVEL_IRQ1, x);
+                          DPRINTF(Malta, "dim write resulting in clear"
+                                    " dir interrupt to cpu %d\n",
+                                    x);
+
+                        }
+
+
+                    }
+                }
+                break;
+            case TSDEV_CC_DIR0:
+            case TSDEV_CC_DIR1:
+            case TSDEV_CC_DIR2:
+            case TSDEV_CC_DIR3:
+                panic("TSDEV_CC_DIR write not implemented\n");
+            case TSDEV_CC_DRIR:
+                panic("TSDEV_CC_DRIR write not implemented\n");
+            case TSDEV_CC_PRBEN:
+                panic("TSDEV_CC_PRBEN write not implemented\n");
+            case TSDEV_CC_IIC0:
+            case TSDEV_CC_IIC1:
+            case TSDEV_CC_IIC2:
+            case TSDEV_CC_IIC3:
+                panic("TSDEV_CC_IICx write not implemented\n");
+            case TSDEV_CC_MPR0:
+            case TSDEV_CC_MPR1:
+            case TSDEV_CC_MPR2:
+            case TSDEV_CC_MPR3:
+                panic("TSDEV_CC_MPRx write not implemented\n");
+            case TSDEV_CC_IPIR:
+                clearIPI(pkt->get<uint64_t>());
+                break;
+            case TSDEV_CC_ITIR:
+                clearITI(pkt->get<uint64_t>());
+                break;
+            case TSDEV_CC_IPIQ:
+                reqIPI(pkt->get<uint64_t>());
+                break;
+            default:
+              panic("default in cchip read reached, accessing 0x%x\n");
+        }  // swtich(regnum)
+    } // not BIG_TSUNAMI write
+    pkt->result = Packet::Success;
+    return pioDelay;
+    */
+}
+
+void
+MaltaCChip::clearIPI(uint64_t ipintr)
+{
+                panic("MaltaCCHIP::clear() not implemented.");
+                /*
+    int numcpus = malta->intrctrl->cpu->system->threadContexts.size();
+    assert(numcpus <= Malta::Max_CPUs);
+
+    if (ipintr) {
+        for (int cpunum=0; cpunum < numcpus; cpunum++) {
+            // Check each cpu bit
+            uint64_t cpumask = ULL(1) << cpunum;
+            if (ipintr & cpumask) {
+                // Check if there is a pending ipi
+                if (ipint & cpumask) {
+                    ipint &= ~cpumask;
+                    malta->intrctrl->clear(cpunum, TheISA::INTLEVEL_IRQ3, 0);
+                    DPRINTF(IPI, "clear IPI IPI cpu=%d\n", cpunum);
+                }
+                else
+                    warn("clear IPI for CPU=%d, but NO IPI\n", cpunum);
+            }
+        }
+    }
+    else
+        panic("Big IPI Clear, but not processors indicated\n");
+        */
+}
+
+void
+MaltaCChip::clearITI(uint64_t itintr)
+{
+                panic("MaltaCCHIP::clearITI() not implemented.");
+                /*
+    int numcpus = malta->intrctrl->cpu->system->threadContexts.size();
+    assert(numcpus <= Malta::Max_CPUs);
+
+    if (itintr) {
+        for (int i=0; i < numcpus; i++) {
+            uint64_t cpumask = ULL(1) << i;
+            if (itintr & cpumask & itint) {
+                malta->intrctrl->clear(i, TheISA::INTLEVEL_IRQ2, 0);
+                itint &= ~cpumask;
+                DPRINTF(Malta, "clearing rtc interrupt to cpu=%d\n", i);
+            }
+        }
+    }
+    else
+        panic("Big ITI Clear, but not processors indicated\n");
+    */
+}
+
+void
+MaltaCChip::reqIPI(uint64_t ipreq)
+{
+                panic("MaltaCCHIP::reqIPI() not implemented.");
+
+                /*
+    int numcpus = malta->intrctrl->cpu->system->threadContexts.size();
+    assert(numcpus <= Malta::Max_CPUs);
+
+    if (ipreq) {
+        for (int cpunum=0; cpunum < numcpus; cpunum++) {
+            // Check each cpu bit
+            uint64_t cpumask = ULL(1) << cpunum;
+            if (ipreq & cpumask) {
+                // Check if there is already an ipi (bits 8:11)
+                if (!(ipint & cpumask)) {
+                    ipint  |= cpumask;
+                    malta->intrctrl->post(cpunum, TheISA::INTLEVEL_IRQ3, 0);
+                    DPRINTF(IPI, "send IPI cpu=%d\n", cpunum);
+                }
+                else
+                    warn("post IPI for CPU=%d, but IPI already\n", cpunum);
+            }
+        }
+    }
+    else
+        panic("Big IPI Request, but not processors indicated\n");
+   */
+
+}
+
+
+void
+MaltaCChip::postRTC()
+{
+                panic("MaltaCCHIP::postRTC() not implemented.");
+
+                /*
+    int size = malta->intrctrl->cpu->system->threadContexts.size();
+    assert(size <= Malta::Max_CPUs);
+
+    for (int i = 0; i < size; i++) {
+        uint64_t cpumask = ULL(1) << i;
+       if (!(cpumask & itint)) {
+           itint |= cpumask;
+           malta->intrctrl->post(i, TheISA::INTLEVEL_IRQ2, 0);
+           DPRINTF(Malta, "Posting RTC interrupt to cpu=%d", i);
+       }
+    }
+    */
+
+}
+
+void
+MaltaCChip::postIntr(uint32_t interrupt)
+{
+    uint64_t size = sys->threadContexts.size();
+    assert(size <= Malta::Max_CPUs);
+
+    for(int i=0; i < size; i++) {
+                                        //Note: Malta does not use index, but this was added to use the pre-existing implementation
+              malta->intrctrl->post(i, interrupt, 0);
+              DPRINTF(Malta, "posting  interrupt to cpu %d,"
+                        "interrupt %d\n",i, interrupt);
+   }
+
+}
+
+void
+MaltaCChip::clearIntr(uint32_t interrupt)
+{
+    uint64_t size = sys->threadContexts.size();
+    assert(size <= Malta::Max_CPUs);
+
+    for(int i=0; i < size; i++) {
+                                        //Note: Malta does not use index, but this was added to use the pre-existing implementation
+              malta->intrctrl->clear(i, interrupt, 0);
+              DPRINTF(Malta, "clearing interrupt to cpu %d,"
+                        "interrupt %d\n",i, interrupt);
+   }
+}
+
+
+void
+MaltaCChip::serialize(std::ostream &os)
+{
+   // SERIALIZE_ARRAY(dim, Malta::Max_CPUs);
+    //SERIALIZE_ARRAY(dir, Malta::Max_CPUs);
+    //SERIALIZE_SCALAR(ipint);
+    //SERIALIZE_SCALAR(itint);
+    //SERIALIZE_SCALAR(drir);
+}
+
+void
+MaltaCChip::unserialize(Checkpoint *cp, const std::string &section)
+{
+    //UNSERIALIZE_ARRAY(dim, Malta::Max_CPUs);
+    //UNSERIALIZE_ARRAY(dir, Malta::Max_CPUs);
+    //UNSERIALIZE_SCALAR(ipint);
+    //UNSERIALIZE_SCALAR(itint);
+    //UNSERIALIZE_SCALAR(drir);
+}
+
+MaltaCChip *
+MaltaCChipParams::create()
+{
+    return new MaltaCChip(this);
+}
+