88 lines
2.1 KiB
C++
88 lines
2.1 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2016 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#pragma once
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#include <cstddef>
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#include <cstdint>
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#include <string>
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#include <memory>
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#include <dynarmic/callbacks.h>
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namespace Dynarmic {
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namespace IR {
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class LocationDescriptor;
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}
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class Jit final {
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public:
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explicit Jit(Dynarmic::UserCallbacks callbacks);
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~Jit();
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/**
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* Runs the emulated CPU for about cycle_count cycles.
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* Cannot be recursively called.
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* @param cycle_count Estimated number of cycles to run the CPU for.
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* @returns Actual cycle count.
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*/
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std::size_t Run(std::size_t cycle_count);
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/**
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* Clears the code cache of all compiled code.
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* Can be called at any time. Halts execution if called within a callback.
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*/
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void ClearCache();
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/**
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* Reset CPU state to state at startup. Does not clear code cache.
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* Cannot be called from a callback.
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*/
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void Reset();
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/**
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* Stops execution in Jit::Run.
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* Can only be called from a callback.
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*/
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void HaltExecution();
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/// View and modify registers.
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std::array<std::uint32_t, 16>& Regs();
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const std::array<std::uint32_t, 16>& Regs() const;
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std::array<std::uint32_t, 64>& ExtRegs();
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const std::array<std::uint32_t, 64>& ExtRegs() const;
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/// View and modify CPSR.
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std::uint32_t& Cpsr();
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std::uint32_t Cpsr() const;
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/// View and modify FPSCR.
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std::uint32_t Fpscr() const;
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void SetFpscr(std::uint32_t value) const;
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/**
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* Returns true if Jit::Run was called but hasn't returned yet.
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* i.e.: We're in a callback.
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*/
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bool IsExecuting() const {
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return is_executing;
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}
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/**
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* @param descriptor Basic block descriptor.
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* @return A string containing disassembly of the host machine code produced for the basic block.
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*/
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std::string Disassemble(const IR::LocationDescriptor& descriptor);
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private:
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bool is_executing = false;
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struct Impl;
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std::unique_ptr<Impl> impl;
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};
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} // namespace Dynarmic
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