diff options
Diffstat (limited to 'mem/vport.hh')
-rw-r--r-- | mem/vport.hh | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/mem/vport.hh b/mem/vport.hh deleted file mode 100644 index fbc230ba3..000000000 --- a/mem/vport.hh +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright (c) 2006 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 - * Virtual Port Object Decleration. These ports incorporate some translation - * into their access methods. Thus you can use one to read and write data - * to/from virtual addresses. - */ - -#ifndef __MEM_VPORT_HH__ -#define __MEM_VPORT_HH__ - -#include "mem/port.hh" -#include "config/full_system.hh" -#include "arch/vtophys.hh" - - -/** A class that translates a virtual address to a physical address and then - * calls the above read/write functions. If an execution context is provided the - * address can alway be translated, If not it can only be translated if it is a - * simple address masking operation (such as alpha super page accesses). - */ - -class VirtualPort : public FunctionalPort -{ - private: - ExecContext *xc; - - public: - VirtualPort(ExecContext *_xc = NULL) - : xc(_xc) - {} - - /** Return true if we have an exec context. This is used to prevent someone - * from accidently deleting the cpus statically allocated vport. - * @return true if an execution context isn't valid - */ - bool nullExecContext() { return xc != NULL; } - - /** Version of readblob that translates virt->phys and deals - * with page boundries. */ - virtual void readBlob(Addr addr, uint8_t *p, int size); - - /** Version of writeBlob that translates virt->phys and deals - * with page boundries. */ - virtual void writeBlob(Addr addr, uint8_t *p, int size); -}; - -#endif //__MEM_VPORT_HH__ - |