instance.h

ml-rsim 多处理器模拟器 支持类bsd操作系统

/*
 * Copyright (c) 2002 The Board of Trustees of the University of Illinois and
 *                    William Marsh Rice University
 * Copyright (c) 2002 The University of Utah
 * Copyright (c) 2002 The University of Notre Dame du Lac
 *
 * All rights reserved.
 *
 * Based on RSIM 1.0, developed by:
 *   Professor Sarita Adve's RSIM research group
 *   University of Illinois at Urbana-Champaign and
     William Marsh Rice University
 *   http://www.cs.uiuc.edu/rsim and http://www.ece.rice.edu/~rsim/dist.html
 * ML-RSIM/URSIM extensions by:
 *   The Impulse Research Group, University of Utah
 *   http://www.cs.utah.edu/impulse
 *   Lambert Schaelicke, University of Utah and University of Notre Dame du Lac
 *   http://www.cse.nd.edu/~lambert
 *   Mike Parker, University of Utah
 *   http://www.cs.utah.edu/~map
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal with the Software without restriction, including without
 * limitation the rights to use, copy, modify, merge, publish, distribute,
 * sublicense, and/or sell copies of the Software, and to permit persons to
 * whom the Software is furnished to do so, subject to the following
 * conditions:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimers. 
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimers in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the names of Professor Sarita Adve's RSIM research group,
 *    the University of Illinois at Urbana-Champaign, William Marsh Rice
 *    University, nor the names of its contributors may be used to endorse
 *    or promote products derived from this Software without specific prior
 *    written permission. 
 * 4. Neither the names of the ML-RSIM project, the URSIM project, the
 *    Impulse research group, the University of Utah, the University of
 *    Notre Dame du Lac, nor the names of its contributors may be used to
 *    endorse or promote products derived from this software without specific
 *    prior written permission. 
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS WITH THE SOFTWARE. 
 */

#ifndef __RSIM_INSTANCE_H__
#define __RSIM_INSTANCE_H__

extern "C"
{
#include "Caches/cache_stat.h"
}

struct ProcState;
struct instr;

/* 
 * SETRSD is used when the output register is an FPHALF, so writing the 
 * destination is effectively an RMW... 
 */

#define BUSY_SETRS1    1
#define BUSY_SETRS2    2
#define BUSY_SETRSCC   4
#define BUSY_SETRSD    8
#define BUSY_SETRS1P   16

#define BUSY_CLEARRS1  ((char)~1)
#define BUSY_CLEARRS2  ((char)~2)
#define BUSY_CLEARRSCC ((char)~4)
#define BUSY_CLEARRSD  ((char)~8)
#define BUSY_CLEARRS1P ((char)~16)

#define BUSY_ALLCLEAR  0
#define BUSY_ALLSET    (BUSY_SETRS1 | BUSY_SETRS2 | BUSY_SETRSCC | \
                        BUSY_SETRSD | BUSY_SETRS1P)

enum except {         /* exception modes supported                         */
  OK,                 /* no exception                                      */
  SERIALIZE,          /* instruction that requires serialization           */
  ITLB_MISS,          /* instruction TLB miss                              */
  UNUSED_01,          /* unused - room for inlining exception code         */
  UNUSED_02,
  UNUSED_03,
  DTLB_MISS,          /* data TLB miss                                     */
  UNUSED_11,          /* unused - room for inlining exception code         */
  UNUSED_12,
  UNUSED_13,
#ifdef UIO            /* UIO-TRAP                  (do not remove comment) */
  CSB_FLUSH,          /* UIO-TRAP CSB flush        (do not remove comment) */
#else                 /* UIO-TRAP                  (do not remove comment) */
  UNUSED,
#endif                /* UIO-TRAP                  (do not remove comment) */
  PRIVILEGED,         /* privileged instruction, requires supervisor mode  */
  INSTR_FAULT,        /* instruction fetch protection error                */
  DATA_FAULT,         /* data access protection error                      */
  BUSERR,             /* bus error, misaligned access                      */
  ILLEGAL,            /* illegal instruction                               */
  CLEANWINDOW,        /* clean register window                             */
  UNUSED_21,          /* unused - room for inlining exception code         */
  UNUSED_22,
  UNUSED_23,
  WINOVERFLOW,        /* register window overflow                          */
  UNUSED_31,          /* unused - room for inlining exception code         */
  UNUSED_32,
  UNUSED_33,
  WINUNDERFLOW,       /* register window underflow                         */
  UNUSED_41,          /* unused - room for inlining exception code         */
  UNUSED_42,
  UNUSED_43,
  SOFT_LIMBO,         /* memory disambiguation violation exception         */
  SOFT_SL_COHE,       /* speculative loads -- coherence violation          */
  SOFT_SL_REPL,       /* speculative loads -- replacement exception        */
  FPDISABLED,         /* Floating point unit is disabled                   */
  FPERR,              /* Floating point exception                          */
  DIV0,               /* Division by zero                                  */
  SYSTRAP_00,         /* used for emulating operating system traps         */
  SYSTRAP_01,         /* system call trap                                  */
  SYSTRAP_02,         /* system call trap                                  */
  SYSTRAP_03,         /* system call trap                                  */
  SYSTRAP_04,         /* system call trap                                  */
  SYSTRAP_05,         /* system call trap                                  */
  SYSTRAP_06,         /* system call trap                                  */
  SYSTRAP_07,         /* system call trap                                  */
  SYSTRAP_08,         /* system call trap                                  */
  SYSTRAP_09,         /* system call trap                                  */
  SYSTRAP_0A,         /* system call trap                                  */
  SYSTRAP_0B,         /* system call trap                                  */
  SYSTRAP_0C,         /* system call trap                                  */
  SYSTRAP_0D,         /* system call trap                                  */
  SYSTRAP_0E,         /* system call trap                                  */
  SYSTRAP_0F,         /* system call trap                                  */
  SYSTRAP_10,         /* system call trap                                  */
  SYSTRAP_11,         /* system call trap                                  */
  SYSTRAP_12,         /* system call trap                                  */
  SYSTRAP_13,         /* system call trap                                  */
  SYSTRAP_14,         /* system call trap                                  */
  SYSTRAP_15,         /* system call trap                                  */
  SYSTRAP_16,         /* system call trap                                  */
  SYSTRAP_17,         /* system call trap                                  */
  SYSTRAP_18,         /* system call trap                                  */
  SYSTRAP_19,         /* system call trap                                  */
  SYSTRAP_1A,         /* system call trap                                  */
  SYSTRAP_1B,         /* system call trap                                  */
  SYSTRAP_1C,         /* system call trap                                  */
  SYSTRAP_1D,         /* system call trap                                  */
  SYSTRAP_1E,         /* system call trap                                  */
  SYSTRAP_1F,         /* system call trap                                  */
  SYSTRAP_20,         /* system call trap                                  */
  SYSTRAP_21,         /* system call trap                                  */
  SYSTRAP_22,         /* system call trap                                  */
  SYSTRAP_23,         /* system call trap                                  */
  SYSTRAP_24,         /* system call trap                                  */
  SYSTRAP_25,         /* system call trap                                  */
  SYSTRAP_26,         /* system call trap                                  */
  SYSTRAP_27,         /* system call trap                                  */
  SYSTRAP_28,         /* system call trap                                  */
  SYSTRAP_29,         /* system call trap                                  */
  SYSTRAP_2A,         /* system call trap                                  */
  SYSTRAP_2B,         /* system call trap                                  */
  SYSTRAP_2C,         /* system call trap                                  */
  SYSTRAP_2D,         /* system call trap                                  */
  SYSTRAP_2E,         /* system call trap                                  */
  SYSTRAP_2F,         /* system call trap                                  */
  INTERRUPT_0F,       /* external interrupt                                */
  INTERRUPT_0E,
  INTERRUPT_0D,
  INTERRUPT_0C,
  INTERRUPT_0B,
  INTERRUPT_0A,
  INTERRUPT_09,
  INTERRUPT_08,
  INTERRUPT_07,
  INTERRUPT_06,
  INTERRUPT_05,
  INTERRUPT_04,
  INTERRUPT_03,
  INTERRUPT_02,
  INTERRUPT_01,
  INTERRUPT_00,