src/arch/arm/utility.cc

   1 /*
   2  * Copyright (c) 2009 ARM Limited
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Ali Saidi
  29  */
  30
  31
  32 #include "arch/arm/faults.hh"
  33 #include "arch/arm/utility.hh"
  34 #include "cpu/thread_context.hh"
  35
  36
  37 namespace ArmISA {
  38
  39 void
  40 initCPU(ThreadContext *tc, int cpuId)
  41 {
  42     // Reset CP15?? What does that mean -- ali
  43
  44     // FPEXC.EN = 0
  45
  46     static Fault reset = new Reset;
  47     if (cpuId == 0)
  48         reset->invoke(tc);
  49 }
  50
  51 uint64_t getArgument(ThreadContext *tc, int number, bool fp) {
  52 #if FULL_SYSTEM
  53     panic("getArgument() not implemented for ARM!\n");
  54 #else
  55     panic("getArgument() only implemented for FULL_SYSTEM\n");
  56     M5_DUMMY_RETURN
  57 #endif
  58 }
  59
  60 }