diff options
Diffstat (limited to 'mem/page_table.hh')
-rw-r--r-- | mem/page_table.hh | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/mem/page_table.hh b/mem/page_table.hh deleted file mode 100644 index 26248261a..000000000 --- a/mem/page_table.hh +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2003 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. - */ - -/** - * @file - * Declaration of a non-full system Page Table. - */ - -#ifndef __PAGE_TABLE__ -#define __PAGE_TABLE__ - -#include <string> -#include <map> - -#include "arch/isa_traits.hh" -#include "base/trace.hh" -#include "mem/request.hh" -#include "mem/packet.hh" -#include "sim/sim_object.hh" - -class System; - -/** - * Page Table Decleration. - */ -class PageTable -{ - protected: - std::map<Addr,Addr> pTable; - - const Addr pageSize; - const Addr offsetMask; - - System *system; - - public: - - PageTable(System *_system, Addr _pageSize = TheISA::VMPageSize); - - ~PageTable(); - - Addr pageAlign(Addr a) { return (a & ~offsetMask); } - Addr pageOffset(Addr a) { return (a & offsetMask); } - - Fault page_check(Addr addr, int size) const; - - void allocate(Addr vaddr, int size); - - /** - * Translate function - * @param vaddr The virtual address. - * @return Physical address from translation. - */ - bool translate(Addr vaddr, Addr &paddr); - - /** - * Perform a translation on the memory request, fills in paddr - * field of mem_req. - * @param req The memory request. - */ - Fault translate(RequestPtr &req); - -}; - -#endif |