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32 lines
677 B
C++
32 lines
677 B
C++
#ifndef NVRAM_H
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#define NVRAM_H
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#include <string>
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#include <cinttypes>
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/** @file Non-volatile RAM emulation.
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It implements a non-volatile random access storage whose content will be
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automatically saved to and restored from the dedicated file.
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*/
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class NVram
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{
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public:
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NVram(std::string file_name = "nvram.bin", uint32_t ram_size = 8192);
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~NVram();
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uint8_t read_byte(uint32_t offset);
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void write_byte(uint32_t offset, uint8_t value);
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private:
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std::string file_name; /* file name for the backing file. */
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uint16_t ram_size; /* NVRAM size. */
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uint8_t* storage;
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void init();
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void save();
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};
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#endif /* NVRAM_H */
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