flash_device.hh (11168:f98eb2da15a4) flash_device.hh (11174:5a9019db4a08)
1/*
2 * Copyright (c) 2013-2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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102 Stats::Histogram fileSystemAccess;
103
104 /** Histogram of access latencies*/
105 Stats::Histogram writeLatency;
106 Stats::Histogram readLatency;
107 };
108
109 /** Device access functions Inherrited from AbstractNVM*/
1/*
2 * Copyright (c) 2013-2015 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software

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102 Stats::Histogram fileSystemAccess;
103
104 /** Histogram of access latencies*/
105 Stats::Histogram writeLatency;
106 Stats::Histogram readLatency;
107 };
108
109 /** Device access functions Inherrited from AbstractNVM*/
110 virtual void initializeMemory(uint64_t disk_size, uint32_t sector_size)
110 void initializeMemory(uint64_t disk_size, uint32_t sector_size) override
111 {
112 initializeFlash(disk_size, sector_size);
113 }
114
111 {
112 initializeFlash(disk_size, sector_size);
113 }
114
115 virtual void readMemory(uint64_t address, uint32_t amount,
116 Callback *event)
115 void readMemory(uint64_t address, uint32_t amount,
116 Callback *event) override
117 {
118 accessDevice(address, amount, event, ActionRead);
119 }
117 {
118 accessDevice(address, amount, event, ActionRead);
119 }
120 virtual void writeMemory(uint64_t address, uint32_t amount,
121 Callback *event)
120
121 void writeMemory(uint64_t address, uint32_t amount,
122 Callback *event) override
122 {
123 accessDevice(address, amount, event, ActionWrite);
124 }
125
126 /**Initialization function; called when all disk specifics are known*/
127 void initializeFlash(uint64_t disk_size, uint32_t sector_size);
128
129 /**Flash action function*/

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141
142 /** Function to indicate that a page is known*/
143 void clearUnknownPages(uint32_t index);
144
145 /** Function to test if a page is known*/
146 bool getUnknownPages(uint32_t index);
147
148 /**Stats register function*/
123 {
124 accessDevice(address, amount, event, ActionWrite);
125 }
126
127 /**Initialization function; called when all disk specifics are known*/
128 void initializeFlash(uint64_t disk_size, uint32_t sector_size);
129
130 /**Flash action function*/

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142
143 /** Function to indicate that a page is known*/
144 void clearUnknownPages(uint32_t index);
145
146 /** Function to test if a page is known*/
147 bool getUnknownPages(uint32_t index);
148
149 /**Stats register function*/
149 void regStats();
150 void regStats() override;
150
151 /** Disk sizes in bytes */
152 uint64_t diskSize;
153 const uint32_t blockSize;
154 const uint32_t pageSize;
155
156 /** Garbage collection algorithm emulator */
157 const uint32_t GCActivePercentage;

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152 /** Disk sizes in bytes */
153 uint64_t diskSize;
154 const uint32_t blockSize;
155 const uint32_t pageSize;
156
157 /** Garbage collection algorithm emulator */
158 const uint32_t GCActivePercentage;

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