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backend/a64: Port callback functions

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This commit is contained in:
SachinVin 2019-08-03 10:31:04 +05:30
parent f3bb2e5f92
commit 0708019057
2 changed files with 95 additions and 0 deletions
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41
src/backend/A64/callback.cpp Normal file
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/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include "backend/A64/callback.h"
#include "backend/A64/block_of_code.h"
namespace Dynarmic::BackendA64 {
Callback::~Callback() = default;
void SimpleCallback::EmitCall(BlockOfCode& code, std::function<void(RegList)> l) const {
l({code.ABI_PARAM1, code.ABI_PARAM2, code.ABI_PARAM3, code.ABI_PARAM4});
code.QuickCallFunction(fn);
}
void SimpleCallback::EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Arm64Gen::ARM64Reg, RegList)> l) const {
l(code.ABI_PARAM1, {code.ABI_PARAM2, code.ABI_PARAM3, code.ABI_PARAM4});
code.QuickCallFunction(fn);
}
void ArgCallback::EmitCall(BlockOfCode& code, std::function<void(RegList)> l) const {
l({code.ABI_PARAM2, code.ABI_PARAM3, code.ABI_PARAM4});
code.MOVI2R(code.ABI_PARAM1, arg);
code.QuickCallFunction(fn);
}
void ArgCallback::EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Arm64Gen::ARM64Reg, RegList)> l) const {
#if defined(WIN32) && !defined(__MINGW64__)
l(code.ABI_PARAM2, {code.ABI_PARAM3, code.ABI_PARAM4});
code.MOVI2R(code.ABI_PARAM1, arg);
#else
l(code.ABI_PARAM1, {code.ABI_PARAM3, code.ABI_PARAM4});
code.MOVI2R(code.ABI_PARAM2, arg);
#endif
code.QuickCallFunction(fn);
}
} // namespace Dynarmic::BackendX64

54
src/backend/A64/callback.h Normal file
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/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#pragma once
#include <functional>
#include <vector>
#include "backend/A64/emitter/a64_emitter.h"
#include "common/common_types.h"
namespace Dynarmic::BackendA64 {
using RegList = std::vector<Arm64Gen::ARM64Reg>;
class BlockOfCode;
class Callback {
public:
virtual ~Callback();
virtual void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList) {}) const = 0;
virtual void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Arm64Gen::ARM64Reg, RegList)> fn) const = 0;
};
class SimpleCallback final : public Callback {
public:
template <typename Function>
SimpleCallback(Function fn) : fn(reinterpret_cast<void (*)()>(fn)) {}
void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList) {}) const override;
void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Arm64Gen::ARM64Reg, RegList)> fn) const override;
private:
void (*fn)();
};
class ArgCallback final : public Callback {
public:
template <typename Function>
ArgCallback(Function fn, u64 arg) : fn(reinterpret_cast<void (*)()>(fn)), arg(arg) {}
void EmitCall(BlockOfCode& code, std::function<void(RegList)> fn = [](RegList) {}) const override;
void EmitCallWithReturnPointer(BlockOfCode& code, std::function<void(Arm64Gen::ARM64Reg, RegList)> fn) const override;
private:
void (*fn)();
u64 arg;
};
} // namespace Dynarmic::BackendA64