isa_fake.cc (3502:1ba705a3754b) | isa_fake.cc (3814:33bd4ec9d66a) |
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1/* 2 * Copyright (c) 2004-2005 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; --- 33 unchanged lines hidden (view full) --- 42using namespace std; 43 44IsaFake::IsaFake(Params *p) 45 : BasicPioDevice(p) 46{ 47 if (!params()->retBadAddr) 48 pioSize = p->pio_size; 49 | 1/* 2 * Copyright (c) 2004-2005 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; --- 33 unchanged lines hidden (view full) --- 42using namespace std; 43 44IsaFake::IsaFake(Params *p) 45 : BasicPioDevice(p) 46{ 47 if (!params()->retBadAddr) 48 pioSize = p->pio_size; 49 |
50 memset(&retData, p->retData, sizeof(retData)); | 50 retData8 = params()->retData8; 51 retData16 = params()->retData16; 52 retData32 = params()->retData32; 53 retData64 = params()->retData64; |
51} 52 53Tick 54IsaFake::read(PacketPtr pkt) 55{ 56 assert(pkt->result == Packet::Unknown); 57 | 54} 55 56Tick 57IsaFake::read(PacketPtr pkt) 58{ 59 assert(pkt->result == Packet::Unknown); 60 |
61 if (params()->warnAccess != "") 62 warn("Device %s accessed by read to address %#x size=%d\n", 63 name(), pkt->getAddr(), pkt->getSize()); |
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58 if (params()->retBadAddr) { 59 DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n", 60 pkt->getAddr(), pkt->getSize()); 61 pkt->result = Packet::BadAddress; 62 } else { 63 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 64 DPRINTF(Tsunami, "read va=%#x size=%d\n", 65 pkt->getAddr(), pkt->getSize()); 66 switch (pkt->getSize()) { 67 case sizeof(uint64_t): | 64 if (params()->retBadAddr) { 65 DPRINTF(Tsunami, "read to bad address va=%#x size=%d\n", 66 pkt->getAddr(), pkt->getSize()); 67 pkt->result = Packet::BadAddress; 68 } else { 69 assert(pkt->getAddr() >= pioAddr && pkt->getAddr() < pioAddr + pioSize); 70 DPRINTF(Tsunami, "read va=%#x size=%d\n", 71 pkt->getAddr(), pkt->getSize()); 72 switch (pkt->getSize()) { 73 case sizeof(uint64_t): |
68 pkt->set(retData); | 74 pkt->set(retData64); |
69 break; 70 case sizeof(uint32_t): | 75 break; 76 case sizeof(uint32_t): |
71 pkt->set((uint32_t)retData); | 77 pkt->set(retData32); |
72 break; 73 case sizeof(uint16_t): | 78 break; 79 case sizeof(uint16_t): |
74 pkt->set((uint16_t)retData); | 80 pkt->set(retData16); |
75 break; 76 case sizeof(uint8_t): | 81 break; 82 case sizeof(uint8_t): |
77 pkt->set((uint8_t)retData); | 83 pkt->set(retData8); |
78 break; 79 default: 80 panic("invalid access size!\n"); 81 } 82 pkt->result = Packet::Success; 83 } 84 return pioDelay; 85} 86 87Tick 88IsaFake::write(PacketPtr pkt) 89{ | 84 break; 85 default: 86 panic("invalid access size!\n"); 87 } 88 pkt->result = Packet::Success; 89 } 90 return pioDelay; 91} 92 93Tick 94IsaFake::write(PacketPtr pkt) 95{ |
96 if (params()->warnAccess != "") { 97 uint64_t data; 98 switch (pkt->getSize()) { 99 case sizeof(uint64_t): 100 data = pkt->get<uint64_t>(); 101 break; 102 case sizeof(uint32_t): 103 data = pkt->get<uint32_t>(); 104 break; 105 case sizeof(uint16_t): 106 data = pkt->get<uint16_t>(); 107 break; 108 case sizeof(uint8_t): 109 data = pkt->get<uint8_t>(); 110 break; 111 default: 112 panic("invalid access size!\n"); 113 } 114 warn("Device %s accessed by write to address %#x size=%d data=%#x\n", 115 name(), pkt->getAddr(), pkt->getSize(), data); 116 } |
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90 if (params()->retBadAddr) { 91 DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n", 92 pkt->getAddr(), pkt->getSize()); 93 pkt->result = Packet::BadAddress; 94 } else { 95 DPRINTF(Tsunami, "write - va=%#x size=%d \n", 96 pkt->getAddr(), pkt->getSize()); | 117 if (params()->retBadAddr) { 118 DPRINTF(Tsunami, "write to bad address va=%#x size=%d \n", 119 pkt->getAddr(), pkt->getSize()); 120 pkt->result = Packet::BadAddress; 121 } else { 122 DPRINTF(Tsunami, "write - va=%#x size=%d \n", 123 pkt->getAddr(), pkt->getSize()); |
124 125 if (params()->updateData) { 126 switch (pkt->getSize()) { 127 case sizeof(uint64_t): 128 retData64 = pkt->get<uint64_t>(); 129 break; 130 case sizeof(uint32_t): 131 retData32 = pkt->get<uint32_t>(); 132 break; 133 case sizeof(uint16_t): 134 retData16 = pkt->get<uint16_t>(); 135 break; 136 case sizeof(uint8_t): 137 retData8 = pkt->get<uint8_t>(); 138 break; 139 default: 140 panic("invalid access size!\n"); 141 } 142 } |
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97 pkt->result = Packet::Success; 98 } 99 return pioDelay; 100} 101 102BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake) 103 104 Param<Addr> pio_addr; 105 Param<Tick> pio_latency; 106 Param<Addr> pio_size; 107 Param<bool> ret_bad_addr; | 143 pkt->result = Packet::Success; 144 } 145 return pioDelay; 146} 147 148BEGIN_DECLARE_SIM_OBJECT_PARAMS(IsaFake) 149 150 Param<Addr> pio_addr; 151 Param<Tick> pio_latency; 152 Param<Addr> pio_size; 153 Param<bool> ret_bad_addr; |
108 Param<uint8_t> ret_data; | 154 Param<bool> update_data; 155 Param<std::string> warn_access; 156 Param<uint8_t> ret_data8; 157 Param<uint16_t> ret_data16; 158 Param<uint32_t> ret_data32; 159 Param<uint64_t> ret_data64; |
109 SimObjectParam<Platform *> platform; 110 SimObjectParam<System *> system; 111 112END_DECLARE_SIM_OBJECT_PARAMS(IsaFake) 113 114BEGIN_INIT_SIM_OBJECT_PARAMS(IsaFake) 115 116 INIT_PARAM(pio_addr, "Device Address"), 117 INIT_PARAM(pio_latency, "Programmed IO latency"), 118 INIT_PARAM(pio_size, "Size of address range"), 119 INIT_PARAM(ret_bad_addr, "Return pkt status BadAddr"), | 160 SimObjectParam<Platform *> platform; 161 SimObjectParam<System *> system; 162 163END_DECLARE_SIM_OBJECT_PARAMS(IsaFake) 164 165BEGIN_INIT_SIM_OBJECT_PARAMS(IsaFake) 166 167 INIT_PARAM(pio_addr, "Device Address"), 168 INIT_PARAM(pio_latency, "Programmed IO latency"), 169 INIT_PARAM(pio_size, "Size of address range"), 170 INIT_PARAM(ret_bad_addr, "Return pkt status BadAddr"), |
120 INIT_PARAM(ret_data, "Data to return if not bad addr"), | 171 INIT_PARAM(update_data, "Update returned data"), 172 INIT_PARAM(warn_access, "Warn if this device is touched"), 173 INIT_PARAM(ret_data8, "Data to return if not bad addr"), 174 INIT_PARAM(ret_data16, "Data to return if not bad addr"), 175 INIT_PARAM(ret_data32, "Data to return if not bad addr"), 176 INIT_PARAM(ret_data64, "Data to return if not bad addr"), |
121 INIT_PARAM(platform, "platform"), 122 INIT_PARAM(system, "system object") 123 124END_INIT_SIM_OBJECT_PARAMS(IsaFake) 125 126CREATE_SIM_OBJECT(IsaFake) 127{ 128 IsaFake::Params *p = new IsaFake::Params; 129 p->name = getInstanceName(); 130 p->pio_addr = pio_addr; 131 p->pio_delay = pio_latency; 132 p->pio_size = pio_size; 133 p->retBadAddr = ret_bad_addr; | 177 INIT_PARAM(platform, "platform"), 178 INIT_PARAM(system, "system object") 179 180END_INIT_SIM_OBJECT_PARAMS(IsaFake) 181 182CREATE_SIM_OBJECT(IsaFake) 183{ 184 IsaFake::Params *p = new IsaFake::Params; 185 p->name = getInstanceName(); 186 p->pio_addr = pio_addr; 187 p->pio_delay = pio_latency; 188 p->pio_size = pio_size; 189 p->retBadAddr = ret_bad_addr; |
134 p->retData = ret_data; | 190 p->updateData = update_data; 191 p->warnAccess = warn_access; 192 p->retData8= ret_data8; 193 p->retData16 = ret_data16; 194 p->retData32 = ret_data32; 195 p->retData64 = ret_data64; |
135 p->platform = platform; 136 p->system = system; 137 return new IsaFake(p); 138} 139 140REGISTER_SIM_OBJECT("IsaFake", IsaFake) | 196 p->platform = platform; 197 p->system = system; 198 return new IsaFake(p); 199} 200 201REGISTER_SIM_OBJECT("IsaFake", IsaFake) |