From 06a9f58c68b621f082d39299bdb01f59ef68ef0e Mon Sep 17 00:00:00 2001 From: Ali Saidi Date: Fri, 10 Aug 2007 16:14:01 -0400 Subject: DMA: Add IOCache and fix bus bridge to optionally only send requests one way so a cache can handle partial block requests for i/o devices. --HG-- extra : convert_revision : a68b5ae826731bc87ed93eb7ef326a2393053964 --- src/base/range_ops.hh | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/base/range_ops.hh (limited to 'src/base') diff --git a/src/base/range_ops.hh b/src/base/range_ops.hh new file mode 100644 index 000000000..f2b11b649 --- /dev/null +++ b/src/base/range_ops.hh @@ -0,0 +1,55 @@ +/* + * Copyright (c) 2007 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: Ali Saidi + */ + +#ifndef __BASE_RANGE_OPS_HH__ +#define __BASE_RANGE_OPS_HH__ +#include +#include + +#include "base/range.hh" + +template +inline void +FilterRangeList(std::vector > filter_list, std::list > + &range_list) { + typename std::list >::iterator i; + for (int x = 0; x < filter_list.size(); x++) { + for (i = range_list.begin(); i != range_list.end(); ) { + // Is the range within one of our filter ranges? + if (filter_list[x] == i->start || filter_list[x] == i->end) + range_list.erase(i++); + else + i++; + } + } +} + +#endif //__BASE_RANGE_OPS_HH__ + -- cgit v1.2.3