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authorGabe Black <gblack@eecs.umich.edu>2006-11-06 18:26:11 -0500
committerGabe Black <gblack@eecs.umich.edu>2006-11-06 18:26:11 -0500
commit1ffff78ca90d04622da78e7d1212148762bccef6 (patch)
tree0e274810acd6933cbcd54267cd4b9be42155fc4b /src/dev/alpha/console.cc
parent601822c6b507f6c3145eacf8f9db216522f70733 (diff)
downloadgem5-1ffff78ca90d04622da78e7d1212148762bccef6.tar.xz
Created seperate SConscript for the dev directory. Made subdirectories for Alpha and SPARC and put SConscripts in them.
--HG-- rename : src/base/kgdb.h => src/arch/alpha/kgdb.h rename : src/dev/alpha_access.h => src/dev/alpha/access.h rename : src/dev/alpha_console.cc => src/dev/alpha/console.cc rename : src/dev/alpha_console.hh => src/dev/alpha/console.hh extra : convert_revision : a7dd466308cb83edc40528689aacb72413089cdf
Diffstat (limited to 'src/dev/alpha/console.cc')
-rw-r--r--src/dev/alpha/console.cc348
1 files changed, 348 insertions, 0 deletions
diff --git a/src/dev/alpha/console.cc b/src/dev/alpha/console.cc
new file mode 100644
index 000000000..f077efe6c
--- /dev/null
+++ b/src/dev/alpha/console.cc
@@ -0,0 +1,348 @@
+/*
+ * Copyright (c) 2001-2005 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: Nathan Binkert
+ * Ali Saidi
+ * Steve Reinhardt
+ * Erik Hallnor
+ */
+
+/** @file
+ * Alpha Console Definition
+ */
+
+#include <cstddef>
+#include <string>
+
+#include "arch/alpha/system.hh"
+#include "base/inifile.hh"
+#include "base/str.hh"
+#include "base/trace.hh"
+#include "cpu/base.hh"
+#include "cpu/thread_context.hh"
+#include "dev/alpha/console.hh"
+#include "dev/platform.hh"
+#include "dev/simconsole.hh"
+#include "dev/simple_disk.hh"
+#include "mem/packet.hh"
+#include "mem/packet_access.hh"
+#include "mem/physical.hh"
+#include "sim/builder.hh"
+#include "sim/sim_object.hh"
+
+using namespace std;
+using namespace AlphaISA;
+
+AlphaConsole::AlphaConsole(Params *p)
+ : BasicPioDevice(p), disk(p->disk),
+ console(params()->cons), system(params()->alpha_sys), cpu(params()->cpu)
+{
+
+ pioSize = sizeof(struct AlphaAccess);
+
+ alphaAccess = new Access();
+ alphaAccess->last_offset = pioSize - 1;
+
+ alphaAccess->version = ALPHA_ACCESS_VERSION;
+ alphaAccess->diskUnit = 1;
+
+ alphaAccess->diskCount = 0;
+ alphaAccess->diskPAddr = 0;
+ alphaAccess->diskBlock = 0;
+ alphaAccess->diskOperation = 0;
+ alphaAccess->outputChar = 0;
+ alphaAccess->inputChar = 0;
+ bzero(alphaAccess->cpuStack, sizeof(alphaAccess->cpuStack));
+
+}
+
+void
+AlphaConsole::startup()
+{
+ system->setAlphaAccess(pioAddr);
+ alphaAccess->numCPUs = system->getNumCPUs();
+ alphaAccess->kernStart = system->getKernelStart();
+ alphaAccess->kernEnd = system->getKernelEnd();
+ alphaAccess->entryPoint = system->getKernelEntry();
+ alphaAccess->mem_size = system->physmem->size();
+ alphaAccess->cpuClock = cpu->frequency() / 1000000; // In MHz
+ alphaAccess->intrClockFrequency = params()->platform->intrFrequency();
+}
+
+Tick
+AlphaConsole::read(PacketPtr pkt)
+{
+
+ /** XXX Do we want to push the addr munging to a bus brige or something? So
+ * the device has it's physical address and then the bridge adds on whatever
+ * machine dependent address swizzle is required?
+ */
+
+ assert(pkt->result == Packet::Unknown);
+ assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
+
+ Addr daddr = pkt->getAddr() - pioAddr;
+
+ pkt->allocate();
+
+ switch (pkt->getSize())
+ {
+ case sizeof(uint32_t):
+ switch (daddr)
+ {
+ case offsetof(AlphaAccess, last_offset):
+ pkt->set(alphaAccess->last_offset);
+ break;
+ case offsetof(AlphaAccess, version):
+ pkt->set(alphaAccess->version);
+ break;
+ case offsetof(AlphaAccess, numCPUs):
+ pkt->set(alphaAccess->numCPUs);
+ break;
+ case offsetof(AlphaAccess, intrClockFrequency):
+ pkt->set(alphaAccess->intrClockFrequency);
+ break;
+ default:
+ /* Old console code read in everyting as a 32bit int
+ * we now break that for better error checking.
+ */
+ pkt->result = Packet::BadAddress;
+ }
+ DPRINTF(AlphaConsole, "read: offset=%#x val=%#x\n", daddr,
+ pkt->get<uint32_t>());
+ break;
+ case sizeof(uint64_t):
+ switch (daddr)
+ {
+ case offsetof(AlphaAccess, inputChar):
+ pkt->set(console->console_in());
+ break;
+ case offsetof(AlphaAccess, cpuClock):
+ pkt->set(alphaAccess->cpuClock);
+ break;
+ case offsetof(AlphaAccess, mem_size):
+ pkt->set(alphaAccess->mem_size);
+ break;
+ case offsetof(AlphaAccess, kernStart):
+ pkt->set(alphaAccess->kernStart);
+ break;
+ case offsetof(AlphaAccess, kernEnd):
+ pkt->set(alphaAccess->kernEnd);
+ break;
+ case offsetof(AlphaAccess, entryPoint):
+ pkt->set(alphaAccess->entryPoint);
+ break;
+ case offsetof(AlphaAccess, diskUnit):
+ pkt->set(alphaAccess->diskUnit);
+ break;
+ case offsetof(AlphaAccess, diskCount):
+ pkt->set(alphaAccess->diskCount);
+ break;
+ case offsetof(AlphaAccess, diskPAddr):
+ pkt->set(alphaAccess->diskPAddr);
+ break;
+ case offsetof(AlphaAccess, diskBlock):
+ pkt->set(alphaAccess->diskBlock);
+ break;
+ case offsetof(AlphaAccess, diskOperation):
+ pkt->set(alphaAccess->diskOperation);
+ break;
+ case offsetof(AlphaAccess, outputChar):
+ pkt->set(alphaAccess->outputChar);
+ break;
+ default:
+ int cpunum = (daddr - offsetof(AlphaAccess, cpuStack)) /
+ sizeof(alphaAccess->cpuStack[0]);
+
+ if (cpunum >= 0 && cpunum < 64)
+ pkt->set(alphaAccess->cpuStack[cpunum]);
+ else
+ panic("Unknown 64bit access, %#x\n", daddr);
+ }
+ DPRINTF(AlphaConsole, "read: offset=%#x val=%#x\n", daddr,
+ pkt->get<uint64_t>());
+ break;
+ default:
+ pkt->result = Packet::BadAddress;
+ }
+ if (pkt->result == Packet::Unknown)
+ pkt->result = Packet::Success;
+ return pioDelay;
+}
+
+Tick
+AlphaConsole::write(PacketPtr pkt)
+{
+ assert(pkt->result == Packet::Unknown);
+ assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize);
+ Addr daddr = pkt->getAddr() - pioAddr;
+
+ uint64_t val = pkt->get<uint64_t>();
+ assert(pkt->getSize() == sizeof(uint64_t));
+
+ switch (daddr) {
+ case offsetof(AlphaAccess, diskUnit):
+ alphaAccess->diskUnit = val;
+ break;
+
+ case offsetof(AlphaAccess, diskCount):
+ alphaAccess->diskCount = val;
+ break;
+
+ case offsetof(AlphaAccess, diskPAddr):
+ alphaAccess->diskPAddr = val;
+ break;
+
+ case offsetof(AlphaAccess, diskBlock):
+ alphaAccess->diskBlock = val;
+ break;
+
+ case offsetof(AlphaAccess, diskOperation):
+ if (val == 0x13)
+ disk->read(alphaAccess->diskPAddr, alphaAccess->diskBlock,
+ alphaAccess->diskCount);
+ else
+ panic("Invalid disk operation!");
+
+ break;
+
+ case offsetof(AlphaAccess, outputChar):
+ console->out((char)(val & 0xff));
+ break;
+
+ default:
+ int cpunum = (daddr - offsetof(AlphaAccess, cpuStack)) /
+ sizeof(alphaAccess->cpuStack[0]);
+ warn("%d: Trying to launch CPU number %d!", curTick, cpunum);
+ assert(val > 0 && "Must not access primary cpu");
+ if (cpunum >= 0 && cpunum < 64)
+ alphaAccess->cpuStack[cpunum] = val;
+ else
+ panic("Unknown 64bit access, %#x\n", daddr);
+ }
+
+ pkt->result = Packet::Success;
+
+ return pioDelay;
+}
+
+void
+AlphaConsole::Access::serialize(ostream &os)
+{
+ SERIALIZE_SCALAR(last_offset);
+ SERIALIZE_SCALAR(version);
+ SERIALIZE_SCALAR(numCPUs);
+ SERIALIZE_SCALAR(mem_size);
+ SERIALIZE_SCALAR(cpuClock);
+ SERIALIZE_SCALAR(intrClockFrequency);
+ SERIALIZE_SCALAR(kernStart);
+ SERIALIZE_SCALAR(kernEnd);
+ SERIALIZE_SCALAR(entryPoint);
+ SERIALIZE_SCALAR(diskUnit);
+ SERIALIZE_SCALAR(diskCount);
+ SERIALIZE_SCALAR(diskPAddr);
+ SERIALIZE_SCALAR(diskBlock);
+ SERIALIZE_SCALAR(diskOperation);
+ SERIALIZE_SCALAR(outputChar);
+ SERIALIZE_SCALAR(inputChar);
+ SERIALIZE_ARRAY(cpuStack,64);
+}
+
+void
+AlphaConsole::Access::unserialize(Checkpoint *cp, const std::string &section)
+{
+ UNSERIALIZE_SCALAR(last_offset);
+ UNSERIALIZE_SCALAR(version);
+ UNSERIALIZE_SCALAR(numCPUs);
+ UNSERIALIZE_SCALAR(mem_size);
+ UNSERIALIZE_SCALAR(cpuClock);
+ UNSERIALIZE_SCALAR(intrClockFrequency);
+ UNSERIALIZE_SCALAR(kernStart);
+ UNSERIALIZE_SCALAR(kernEnd);
+ UNSERIALIZE_SCALAR(entryPoint);
+ UNSERIALIZE_SCALAR(diskUnit);
+ UNSERIALIZE_SCALAR(diskCount);
+ UNSERIALIZE_SCALAR(diskPAddr);
+ UNSERIALIZE_SCALAR(diskBlock);
+ UNSERIALIZE_SCALAR(diskOperation);
+ UNSERIALIZE_SCALAR(outputChar);
+ UNSERIALIZE_SCALAR(inputChar);
+ UNSERIALIZE_ARRAY(cpuStack, 64);
+}
+
+void
+AlphaConsole::serialize(ostream &os)
+{
+ alphaAccess->serialize(os);
+}
+
+void
+AlphaConsole::unserialize(Checkpoint *cp, const std::string &section)
+{
+ alphaAccess->unserialize(cp, section);
+}
+
+BEGIN_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
+
+ SimObjectParam<SimConsole *> sim_console;
+ SimObjectParam<SimpleDisk *> disk;
+ Param<Addr> pio_addr;
+ SimObjectParam<AlphaSystem *> system;
+ SimObjectParam<BaseCPU *> cpu;
+ SimObjectParam<Platform *> platform;
+ Param<Tick> pio_latency;
+
+END_DECLARE_SIM_OBJECT_PARAMS(AlphaConsole)
+
+BEGIN_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
+
+ INIT_PARAM(sim_console, "The Simulator Console"),
+ INIT_PARAM(disk, "Simple Disk"),
+ INIT_PARAM(pio_addr, "Device Address"),
+ INIT_PARAM(system, "system object"),
+ INIT_PARAM(cpu, "Processor"),
+ INIT_PARAM(platform, "platform"),
+ INIT_PARAM_DFLT(pio_latency, "Programmed IO latency", 1000)
+
+END_INIT_SIM_OBJECT_PARAMS(AlphaConsole)
+
+CREATE_SIM_OBJECT(AlphaConsole)
+{
+ AlphaConsole::Params *p = new AlphaConsole::Params;
+ p->name = getInstanceName();
+ p->platform = platform;
+ p->pio_addr = pio_addr;
+ p->pio_delay = pio_latency;
+ p->cons = sim_console;
+ p->disk = disk;
+ p->alpha_sys = system;
+ p->system = system;
+ p->cpu = cpu;
+ return new AlphaConsole(p);
+}
+
+REGISTER_SIM_OBJECT("AlphaConsole", AlphaConsole)