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41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
// Copyright 2013 Dolphin Emulator Project
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// Licensed under GPLv2
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// Refer to the license.txt file included.
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#pragma once
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#include "Core/DSP/DSPInterpreter.h"
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// Basic code analysis.
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namespace DSPAnalyzer
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{
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#define ISPACE 65536
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// Useful things to detect:
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// * Loop endpoints - so that we can avoid checking for loops every cycle.
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enum
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{
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CODE_START_OF_INST = 1,
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CODE_IDLE_SKIP = 2,
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CODE_LOOP_START = 4,
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CODE_LOOP_END = 8,
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CODE_UPDATE_SR = 16,
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CODE_CHECK_INT = 32,
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};
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// Easy to query array covering the whole of instruction memory.
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// Just index by address.
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// This one will be helpful for debuggers and jits.
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extern u8 code_flags[ISPACE];
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// This one should be called every time IRAM changes - which is basically
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// every time that a new ucode gets uploaded, and never else. At that point,
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// we can do as much static analysis as we want - but we should always throw
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// all old analysis away. Luckily the entire address space is only 64K code
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// words and the actual code space 8K instructions in total, so we can do
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// some pretty expensive analysis if necessary.
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void Analyze();
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} // namespace
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