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Diffstat (limited to 'mem/request.hh')
| -rw-r--r-- | mem/request.hh | 200 |
1 files changed, 0 insertions, 200 deletions
diff --git a/mem/request.hh b/mem/request.hh deleted file mode 100644 index 2db7b7779..000000000 --- a/mem/request.hh +++ /dev/null @@ -1,200 +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. - */ - -/** - * @file Decleration of a request, the overall memory request consisting of - the parts of the request that are persistent throughout the transaction. - */ - -#ifndef __MEM_REQUEST_HH__ -#define __MEM_REQUEST_HH__ - -#include "arch/isa_traits.hh" - -class Request; - -typedef Request* RequestPtr; - -/** The request is a Load locked/store conditional. */ -const unsigned LOCKED = 0x001; -/** The virtual address is also the physical address. */ -const unsigned PHYSICAL = 0x002; -/** The request is an ALPHA VPTE pal access (hw_ld). */ -const unsigned VPTE = 0x004; -/** Use the alternate mode bits in ALPHA. */ -const unsigned ALTMODE = 0x008; -/** The request is to an uncacheable address. */ -const unsigned UNCACHEABLE = 0x010; -/** The request should not cause a page fault. */ -const unsigned NO_FAULT = 0x020; -/** The request should be prefetched into the exclusive state. */ -const unsigned PF_EXCLUSIVE = 0x100; -/** The request should be marked as LRU. */ -const unsigned EVICT_NEXT = 0x200; -/** The request should ignore unaligned access faults */ -const unsigned NO_ALIGN_FAULT = 0x400; - -class Request -{ - //@todo Make Accesor functions, make these private. - public: - /** Constructor, needs a bool to signify if it is/isn't Cpu Request. */ - Request(bool isCpu); - - /** reset the request to it's initial state so it can be reused.*/ - void resetAll(bool isCpu); - - /** reset the request's addrs times, etc, so but not everything to same - * time. */ - void resetMin(); - -//First non-cpu request fields - private: - /** The physical address of the request. */ - Addr paddr; - /** Wether or not paddr is valid (has been written yet). */ - bool validPaddr; - - /** The size of the request. */ - int size; - /** Wether or not size is valid (has been written yet). */ - bool validSize; - - /** The time this request was started. Used to calculate latencies. */ - Tick time; - /** Wether or not time is valid (has been written yet). */ - bool validTime; - - /** Destination address if this is a block copy. */ - Addr copyDest; - /** Wether or not copyDest is valid (has been written yet). */ - bool validCopyDest; - - /** Flag structure for the request. */ - uint32_t flags; - -//Accsesors for non-cpu request fields - public: - /** Accesor for paddr. */ - Addr getPaddr(); - /** Accesor for paddr. */ - void setPaddr(Addr _paddr); - - /** Accesor for size. */ - int getSize(); - /** Accesor for size. */ - void setSize(int _size); - - /** Accesor for time. */ - Tick getTime(); - /** Accesor for time. */ - void setTime(Tick _time); - - /** Accesor for copy dest. */ - Addr getCopyDest(); - /** Accesor for copy dest. */ - void setCopyDest(Addr _copyDest); - - /** Accesor for flags. */ - uint32_t getFlags(); - /** Accesor for paddr. */ - void setFlags(uint32_t _flags); - -//Now cpu-request fields - private: - /** Bool to signify if this is a cpuRequest. */ - bool cpuReq; - - /** The virtual address of the request. */ - Addr vaddr; - /** Wether or not the vaddr is valid. */ - bool validVaddr; - - /** The address space ID. */ - int asid; - /** Wether or not the asid is valid. */ - bool validAsid; - - /** The return value of store conditional. */ - uint64_t scResult; - /** Wether or not the sc result is valid. */ - bool validScResult; - - /** The cpu number for statistics. */ - int cpuNum; - /** Wether or not the cpu number is valid. */ - bool validCpuNum; - - /** The requesting thread id. */ - int threadNum; - /** Wether or not the thread id is valid. */ - bool validThreadNum; - - /** program counter of initiating access; for tracing/debugging */ - Addr pc; - /** Wether or not the pc is valid. */ - bool validPC; - -//Accessor Functions for cpu request fields - public: - /** Accesor function to determine if this is a cpu request or not.*/ - bool isCpuRequest(); - - /** Accesor function for vaddr.*/ - Addr getVaddr(); - /** Accesor function for vaddr.*/ - void setVaddr(Addr _vaddr); - - /** Accesor function for asid.*/ - int getAsid(); - /** Accesor function for asid.*/ - void setAsid(int _asid); - - /** Accesor function for store conditional return value.*/ - uint64_t getScResult(); - /** Accesor function for store conditional return value.*/ - void setScResult(uint64_t _scResult); - - /** Accesor function for cpu number.*/ - int getCpuNum(); - /** Accesor function for cpu number.*/ - void setCpuNum(int _cpuNum); - - /** Accesor function for thread number.*/ - int getThreadNum(); - /** Accesor function for thread number.*/ - void setThreadNum(int _threadNum); - - /** Accesor function for pc.*/ - Addr getPC(); - /** Accesor function for pc.*/ - void setPC(Addr _pc); - -}; - -#endif // __MEM_REQUEST_HH__ |