1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/** 30 * @file Decleration of a request, the overall memory request consisting of 31 the parts of the request that are persistent throughout the transaction. 32 */ 33 34#ifndef __MEM_REQUEST_HH__ 35#define __MEM_REQUEST_HH__ 36 37#include "arch/isa_traits.hh" 38 39class Request; 40 41typedef Request* RequestPtr; 42 43/** The request is a Load locked/store conditional. */ 44const unsigned LOCKED = 0x001; 45/** The virtual address is also the physical address. */ 46const unsigned PHYSICAL = 0x002; 47/** The request is an ALPHA VPTE pal access (hw_ld). */ 48const unsigned VPTE = 0x004; 49/** Use the alternate mode bits in ALPHA. */ 50const unsigned ALTMODE = 0x008; 51/** The request is to an uncacheable address. */ 52const unsigned UNCACHEABLE = 0x010; 53/** The request should not cause a page fault. */ 54const unsigned NO_FAULT = 0x020; 55/** The request should be prefetched into the exclusive state. */ 56const unsigned PF_EXCLUSIVE = 0x100; 57/** The request should be marked as LRU. */ 58const unsigned EVICT_NEXT = 0x200; 59/** The request should ignore unaligned access faults */ 60const unsigned NO_ALIGN_FAULT = 0x400; 61 62class Request 63{ 64 //@todo Make Accesor functions, make these private. 65 public: 66 /** Constructor, needs a bool to signify if it is/isn't Cpu Request. */ 67 Request(bool isCpu); 68 69 /** reset the request to it's initial state so it can be reused.*/ 70 void resetAll(bool isCpu); 71 72 /** reset the request's addrs times, etc, so but not everything to same 73 * time. */ 74 void resetMin(); 75 76//First non-cpu request fields 77 private: 78 /** The physical address of the request. */ 79 Addr paddr; 80 /** Wether or not paddr is valid (has been written yet). */ 81 bool validPaddr; 82 83 /** The size of the request. */ 84 int size; 85 /** Wether or not size is valid (has been written yet). */ 86 bool validSize; 87 88 /** The time this request was started. Used to calculate latencies. */ 89 Tick time; 90 /** Wether or not time is valid (has been written yet). */ 91 bool validTime; 92 93 /** Destination address if this is a block copy. */ 94 Addr copyDest; 95 /** Wether or not copyDest is valid (has been written yet). */ 96 bool validCopyDest; 97 98 /** Flag structure for the request. */ 99 uint32_t flags; 100 101//Accsesors for non-cpu request fields 102 public: 103 /** Accesor for paddr. */ 104 Addr getPaddr(); 105 /** Accesor for paddr. */ 106 void setPaddr(Addr _paddr); 107 108 /** Accesor for size. */ 109 int getSize(); 110 /** Accesor for size. */ 111 void setSize(int _size); 112 113 /** Accesor for time. */ 114 Tick getTime(); 115 /** Accesor for time. */ 116 void setTime(Tick _time); 117 118 /** Accesor for copy dest. */ 119 Addr getCopyDest(); 120 /** Accesor for copy dest. */ 121 void setCopyDest(Addr _copyDest); 122 123 /** Accesor for flags. */ 124 uint32_t getFlags(); 125 /** Accesor for paddr. */ 126 void setFlags(uint32_t _flags); 127 128//Now cpu-request fields 129 private: 130 /** Bool to signify if this is a cpuRequest. */ 131 bool cpuReq; 132 133 /** The virtual address of the request. */ 134 Addr vaddr; 135 /** Wether or not the vaddr is valid. */ 136 bool validVaddr; 137 138 /** The address space ID. */ 139 int asid; 140 /** Wether or not the asid is valid. */ 141 bool validAsid; 142 143 /** The return value of store conditional. */ 144 uint64_t scResult; 145 /** Wether or not the sc result is valid. */ 146 bool validScResult; 147 148 /** The cpu number for statistics. */ 149 int cpuNum; 150 /** Wether or not the cpu number is valid. */ 151 bool validCpuNum; 152 153 /** The requesting thread id. */ 154 int threadNum; 155 /** Wether or not the thread id is valid. */ 156 bool validThreadNum; 157 158 /** program counter of initiating access; for tracing/debugging */ 159 Addr pc; 160 /** Wether or not the pc is valid. */ 161 bool validPC; 162 163//Accessor Functions for cpu request fields 164 public: 165 /** Accesor function to determine if this is a cpu request or not.*/ 166 bool isCpuRequest(); 167 168 /** Accesor function for vaddr.*/ 169 Addr getVaddr(); 170 /** Accesor function for vaddr.*/ 171 void setVaddr(Addr _vaddr); 172 173 /** Accesor function for asid.*/ 174 int getAsid(); 175 /** Accesor function for asid.*/ 176 void setAsid(int _asid); 177 178 /** Accesor function for store conditional return value.*/ 179 uint64_t getScResult(); 180 /** Accesor function for store conditional return value.*/ 181 void setScResult(uint64_t _scResult); 182 183 /** Accesor function for cpu number.*/ 184 int getCpuNum(); 185 /** Accesor function for cpu number.*/ 186 void setCpuNum(int _cpuNum); 187 188 /** Accesor function for thread number.*/ 189 int getThreadNum(); 190 /** Accesor function for thread number.*/ 191 void setThreadNum(int _threadNum); 192 193 /** Accesor function for pc.*/ 194 Addr getPC(); 195 /** Accesor function for pc.*/ 196 void setPC(Addr _pc); 197
| 1/* 2 * Copyright (c) 2002-2005 The Regents of The University of Michigan 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29/** 30 * @file Decleration of a request, the overall memory request consisting of 31 the parts of the request that are persistent throughout the transaction. 32 */ 33 34#ifndef __MEM_REQUEST_HH__ 35#define __MEM_REQUEST_HH__ 36 37#include "arch/isa_traits.hh" 38 39class Request; 40 41typedef Request* RequestPtr; 42 43/** The request is a Load locked/store conditional. */ 44const unsigned LOCKED = 0x001; 45/** The virtual address is also the physical address. */ 46const unsigned PHYSICAL = 0x002; 47/** The request is an ALPHA VPTE pal access (hw_ld). */ 48const unsigned VPTE = 0x004; 49/** Use the alternate mode bits in ALPHA. */ 50const unsigned ALTMODE = 0x008; 51/** The request is to an uncacheable address. */ 52const unsigned UNCACHEABLE = 0x010; 53/** The request should not cause a page fault. */ 54const unsigned NO_FAULT = 0x020; 55/** The request should be prefetched into the exclusive state. */ 56const unsigned PF_EXCLUSIVE = 0x100; 57/** The request should be marked as LRU. */ 58const unsigned EVICT_NEXT = 0x200; 59/** The request should ignore unaligned access faults */ 60const unsigned NO_ALIGN_FAULT = 0x400; 61 62class Request 63{ 64 //@todo Make Accesor functions, make these private. 65 public: 66 /** Constructor, needs a bool to signify if it is/isn't Cpu Request. */ 67 Request(bool isCpu); 68 69 /** reset the request to it's initial state so it can be reused.*/ 70 void resetAll(bool isCpu); 71 72 /** reset the request's addrs times, etc, so but not everything to same 73 * time. */ 74 void resetMin(); 75 76//First non-cpu request fields 77 private: 78 /** The physical address of the request. */ 79 Addr paddr; 80 /** Wether or not paddr is valid (has been written yet). */ 81 bool validPaddr; 82 83 /** The size of the request. */ 84 int size; 85 /** Wether or not size is valid (has been written yet). */ 86 bool validSize; 87 88 /** The time this request was started. Used to calculate latencies. */ 89 Tick time; 90 /** Wether or not time is valid (has been written yet). */ 91 bool validTime; 92 93 /** Destination address if this is a block copy. */ 94 Addr copyDest; 95 /** Wether or not copyDest is valid (has been written yet). */ 96 bool validCopyDest; 97 98 /** Flag structure for the request. */ 99 uint32_t flags; 100 101//Accsesors for non-cpu request fields 102 public: 103 /** Accesor for paddr. */ 104 Addr getPaddr(); 105 /** Accesor for paddr. */ 106 void setPaddr(Addr _paddr); 107 108 /** Accesor for size. */ 109 int getSize(); 110 /** Accesor for size. */ 111 void setSize(int _size); 112 113 /** Accesor for time. */ 114 Tick getTime(); 115 /** Accesor for time. */ 116 void setTime(Tick _time); 117 118 /** Accesor for copy dest. */ 119 Addr getCopyDest(); 120 /** Accesor for copy dest. */ 121 void setCopyDest(Addr _copyDest); 122 123 /** Accesor for flags. */ 124 uint32_t getFlags(); 125 /** Accesor for paddr. */ 126 void setFlags(uint32_t _flags); 127 128//Now cpu-request fields 129 private: 130 /** Bool to signify if this is a cpuRequest. */ 131 bool cpuReq; 132 133 /** The virtual address of the request. */ 134 Addr vaddr; 135 /** Wether or not the vaddr is valid. */ 136 bool validVaddr; 137 138 /** The address space ID. */ 139 int asid; 140 /** Wether or not the asid is valid. */ 141 bool validAsid; 142 143 /** The return value of store conditional. */ 144 uint64_t scResult; 145 /** Wether or not the sc result is valid. */ 146 bool validScResult; 147 148 /** The cpu number for statistics. */ 149 int cpuNum; 150 /** Wether or not the cpu number is valid. */ 151 bool validCpuNum; 152 153 /** The requesting thread id. */ 154 int threadNum; 155 /** Wether or not the thread id is valid. */ 156 bool validThreadNum; 157 158 /** program counter of initiating access; for tracing/debugging */ 159 Addr pc; 160 /** Wether or not the pc is valid. */ 161 bool validPC; 162 163//Accessor Functions for cpu request fields 164 public: 165 /** Accesor function to determine if this is a cpu request or not.*/ 166 bool isCpuRequest(); 167 168 /** Accesor function for vaddr.*/ 169 Addr getVaddr(); 170 /** Accesor function for vaddr.*/ 171 void setVaddr(Addr _vaddr); 172 173 /** Accesor function for asid.*/ 174 int getAsid(); 175 /** Accesor function for asid.*/ 176 void setAsid(int _asid); 177 178 /** Accesor function for store conditional return value.*/ 179 uint64_t getScResult(); 180 /** Accesor function for store conditional return value.*/ 181 void setScResult(uint64_t _scResult); 182 183 /** Accesor function for cpu number.*/ 184 int getCpuNum(); 185 /** Accesor function for cpu number.*/ 186 void setCpuNum(int _cpuNum); 187 188 /** Accesor function for thread number.*/ 189 int getThreadNum(); 190 /** Accesor function for thread number.*/ 191 void setThreadNum(int _threadNum); 192 193 /** Accesor function for pc.*/ 194 Addr getPC(); 195 /** Accesor function for pc.*/ 196 void setPC(Addr _pc); 197
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