29 lines
845 B
C++
29 lines
845 B
C++
// Copyright 2018 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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namespace FileSys {
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class DelayGenerator {
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public:
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virtual u64 GetReadDelayNs(size_t length) = 0;
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// TODO (B3N30): Add getter for all other file/directory io operations
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};
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class DefaultDelayGenerator : public DelayGenerator {
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public:
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u64 GetReadDelayNs(size_t length) override {
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// This is the delay measured for a romfs read.
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// For now we will take that as a default
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static constexpr u64 slope(94);
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static constexpr u64 offset(582778);
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static constexpr u64 minimum(663124);
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u64 IPCDelayNanoseconds = std::max<u64>(static_cast<u64>(length) * slope + offset, minimum);
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return IPCDelayNanoseconds;
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}
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};
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} // namespace FileSys
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