1 files changed, 131 insertions, 0 deletions
diff --git a/src/dev/pciconfigall.cc b/src/dev/pciconfigall.cc
new file mode 100644
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+++ b/src/dev/pciconfigall.cc
@@ -0,0 +1,131 @@
+/*
+ * 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: Andrew Schultz
+ *          Ali Saidi
+ */
+
+/* @file
+ * PCI Configspace implementation
+ */
+
+#include "base/trace.hh"
+#include "dev/pciconfigall.hh"
+#include "dev/pcireg.h"
+#include "dev/platform.hh"
+#include "mem/packet.hh"
+#include "sim/builder.hh"
+#include "sim/system.hh"
+
+using namespace std;
+
+PciConfigAll::PciConfigAll(Params *p)
+    : PioDevice(p)
+{
+    pioAddr = p->platform->calcConfigAddr(params()->bus,0,0);
+}
+
+
+Tick
+PciConfigAll::read(Packet *pkt)
+{
+    assert(pkt->result == Packet::Unknown);
+
+    pkt->allocate();
+
+    DPRINTF(PciConfigAll, "read  va=%#x size=%d\n", pkt->getAddr(),
+            pkt->getSize());
+
+    switch (pkt->getSize()) {
+      case sizeof(uint32_t):
+         pkt->set<uint32_t>(0xFFFFFFFF);
+         break;
+      case sizeof(uint16_t):
+         pkt->set<uint16_t>(0xFFFF);
+         break;
+      case sizeof(uint8_t):
+         pkt->set<uint8_t>(0xFF);
+         break;
+      default:
+        panic("invalid access size(?) for PCI configspace!\n");
+    }
+    pkt->result = Packet::Success;
+    return params()->pio_delay;
+}
+
+Tick
+PciConfigAll::write(Packet *pkt)
+{
+    assert(pkt->result == Packet::Unknown);
+    panic("Attempting to write to config space on non-existant device\n");
+}
+
+void
+PciConfigAll::addressRanges(AddrRangeList &range_list)
+{
+    range_list.clear();
+    range_list.push_back(RangeSize(pioAddr, params()->size));
+}
+
+
+#ifndef DOXYGEN_SHOULD_SKIP_THIS
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(PciConfigAll)
+
+    Param<Tick> pio_latency;
+    Param<int> bus;
+    Param<Addr> size;
+    SimObjectParam<Platform *> platform;
+    SimObjectParam<System *> system;
+
+END_DECLARE_SIM_OBJECT_PARAMS(PciConfigAll)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(PciConfigAll)
+
+    INIT_PARAM(pio_latency, "Programmed IO latency"),
+    INIT_PARAM(bus, "Bus that this object handles config space for"),
+    INIT_PARAM(size, "The size of config space"),
+    INIT_PARAM(platform, "platform"),
+    INIT_PARAM(system, "system object")
+
+END_INIT_SIM_OBJECT_PARAMS(PciConfigAll)
+
+CREATE_SIM_OBJECT(PciConfigAll)
+{
+    PciConfigAll::Params *p = new PciConfigAll::Params;
+    p->pio_delay = pio_latency;
+    p->platform = platform;
+    p->system = system;
+    p->bus = bus;
+    p->size = size;
+
+    return new PciConfigAll(p);
+}
+
+REGISTER_SIM_OBJECT("PciConfigAll", PciConfigAll)
+
+#endif // DOXYGEN_SHOULD_SKIP_THIS