|  | /* | 
|  | * Copyright (c) 2003-2005 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 | 
|  | */ | 
|  |  | 
|  | /** | 
|  | * @file | 
|  | * Defines SMT_MAX_THREADS. | 
|  | */ | 
|  |  | 
|  | #ifndef __SMT_HH__ | 
|  | #define __SMT_HH__ | 
|  |  | 
|  | #include "base/types.hh" | 
|  |  | 
|  | #ifndef SMT_MAX_THREADS | 
|  | /** The number of TPUs in any processor. */ | 
|  | #define SMT_MAX_THREADS 4 | 
|  | #endif | 
|  |  | 
|  | /** | 
|  | * The maximum number of active threads across all cpus. Used to | 
|  | * initialize per-thread statistics in the cache. | 
|  | * | 
|  | * NB: Be careful to only use it once all the CPUs that you care about | 
|  | *     have been initialized | 
|  | */ | 
|  | extern int maxThreadsPerCPU; | 
|  |  | 
|  | /** | 
|  | * Changes the status and priority of the thread with the given number. | 
|  | * @param tid The thread to change. | 
|  | * @param activate The new active status. | 
|  | * @param priority The new priority. | 
|  | */ | 
|  | void change_thread_state(ThreadID tid, int activate, int priority); | 
|  |  | 
|  | #endif // __SMT_HH__ |