diff options
author | Steve Reinhardt <steve.reinhardt@amd.com> | 2011-01-03 14:35:47 -0800 |
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committer | Steve Reinhardt <steve.reinhardt@amd.com> | 2011-01-03 14:35:47 -0800 |
commit | 89cf3f6e853e3d9a95536372ab78a4a11a8c6ad1 (patch) | |
tree | 21d17151b13183dbc225a93ef98e32fe45b804b0 /src/base/sched_list.hh | |
parent | 2f4c71968af8e0d2d72f4a2e8699921dcd1e0c77 (diff) | |
download | gem5-89cf3f6e853e3d9a95536372ab78a4a11a8c6ad1.tar.xz |
Move sched_list.hh and timebuf.hh from src/base to src/cpu.
These files really aren't general enough to belong in src/base.
This patch doesn't reorder include lines, leaving them unsorted
in many cases, but Nate's magic script will fix that up shortly.
--HG--
rename : src/base/sched_list.hh => src/cpu/sched_list.hh
rename : src/base/timebuf.hh => src/cpu/timebuf.hh
Diffstat (limited to 'src/base/sched_list.hh')
-rw-r--r-- | src/base/sched_list.hh | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/src/base/sched_list.hh b/src/base/sched_list.hh deleted file mode 100644 index 56ee2f8ec..000000000 --- a/src/base/sched_list.hh +++ /dev/null @@ -1,180 +0,0 @@ -/* - * Copyright (c) 2002-2005 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: Steve Raasch - */ - -#ifndef SCHED_LIST_HH -#define SCHED_LIST_HH - -#include <list> -#include "base/intmath.hh" -#include "base/misc.hh" - - -// Any types you use this class for must be covered here... -namespace { - void ClearEntry(int &i) { i = 0; }; - void ClearEntry(unsigned &i) { i = 0; }; - void ClearEntry(double &i) { i = 0; }; - template <class T> void ClearEntry(std::list<T> &l) { l.clear(); }; -}; - - -// -// this is a special list type that allows the user to insert elements at a -// specified positive offset from the "current" element, but only allow them -// be extracted from the "current" element -// - - -template <class T> -class SchedList -{ - T *data_array; - unsigned position; - unsigned size; - unsigned mask; - - public: - SchedList(unsigned size); - SchedList(void); - - void init(unsigned size); - - T &operator[](unsigned offset); - - void advance(void); - - void clear(void); -}; - - - -// -// Constructor -// -template<class T> -SchedList<T>::SchedList(unsigned _size) -{ - size = _size; - - // size must be a power of two - if (!isPowerOf2(size)) { - panic("SchedList: size must be a power of two"); - } - - if (size < 2) { - panic("SchedList: you don't want a list that small"); - } - - // calculate the bit mask for the modulo operation - mask = size - 1; - - data_array = new T[size]; - - if (!data_array) { - panic("SchedList: could not allocate memory"); - } - - clear(); -} - -template<class T> -SchedList<T>::SchedList(void) -{ - data_array = 0; - size = 0; -} - - -template<class T> void -SchedList<T>::init(unsigned _size) -{ - size = _size; - - if (!data_array) { - // size must be a power of two - if (size & (size-1)) { - panic("SchedList: size must be a power of two"); - } - - if (size < 2) { - panic("SchedList: you don't want a list that small"); - } - - // calculate the bit mask for the modulo operation - mask = size - 1; - - data_array = new T[size]; - - if (!data_array) { - panic("SchedList: could not allocate memory"); - } - - clear(); - } -} - - -template<class T> void -SchedList<T>::advance(void) -{ - ClearEntry(data_array[position]); - - // position = (++position % size); - position = ++position & mask; -} - - -template<class T> void -SchedList<T>::clear(void) -{ - for (unsigned i=0; i<size; ++i) { - ClearEntry(data_array[i]); - } - - position = 0; -} - - -template<class T> T& -SchedList<T>::operator[](unsigned offset) -{ - if (offset >= size) { - panic("SchedList: can't access element beyond current pointer"); - } - - // unsigned p = (position + offset) % size; - unsigned p = (position + offset) & mask; - - return data_array[p]; -} - - - -#endif |