c7d20f3f2f
* Add always_little_endian option to mach unicorn behavior. * Correct CPSR.Mode = Usermode
104 lines
3.9 KiB
C++
104 lines
3.9 KiB
C++
/* This file is part of the dynarmic project.
|
|
* Copyright (c) 2016 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 <array>
|
|
|
|
#include <dynarmic/A32/a32.h>
|
|
#include <dynarmic/A32/config.h>
|
|
|
|
#include "backend/x64/a32_jitstate.h"
|
|
#include "backend/x64/block_range_information.h"
|
|
#include "backend/x64/emit_x64.h"
|
|
#include "frontend/A32/location_descriptor.h"
|
|
#include "frontend/ir/terminal.h"
|
|
|
|
namespace Dynarmic::BackendX64 {
|
|
|
|
class RegAlloc;
|
|
|
|
struct A32EmitContext final : public EmitContext {
|
|
A32EmitContext(RegAlloc& reg_alloc, IR::Block& block);
|
|
A32::LocationDescriptor Location() const;
|
|
FP::FPCR FPCR() const override;
|
|
};
|
|
|
|
class A32EmitX64 final : public EmitX64 {
|
|
public:
|
|
A32EmitX64(BlockOfCode& code, A32::UserConfig config, A32::Jit* jit_interface);
|
|
~A32EmitX64() override;
|
|
|
|
/**
|
|
* Emit host machine code for a basic block with intermediate representation `block`.
|
|
* @note block is modified.
|
|
*/
|
|
BlockDescriptor Emit(IR::Block& block);
|
|
|
|
void ClearCache() override;
|
|
|
|
void InvalidateCacheRanges(const boost::icl::interval_set<u32>& ranges);
|
|
|
|
protected:
|
|
const A32::UserConfig config;
|
|
A32::Jit* jit_interface;
|
|
BlockRangeInformation<u32> block_ranges;
|
|
|
|
struct FastDispatchEntry {
|
|
u64 location_descriptor;
|
|
const void* code_ptr;
|
|
};
|
|
static_assert(sizeof(FastDispatchEntry) == 0x10);
|
|
static constexpr u64 fast_dispatch_table_mask = 0xFFFF0;
|
|
static constexpr size_t fast_dispatch_table_size = 0x10000;
|
|
std::array<FastDispatchEntry, fast_dispatch_table_size> fast_dispatch_table;
|
|
void ClearFastDispatchTable();
|
|
|
|
const void* read_memory_8;
|
|
const void* read_memory_16;
|
|
const void* read_memory_32;
|
|
const void* read_memory_64;
|
|
const void* write_memory_8;
|
|
const void* write_memory_16;
|
|
const void* write_memory_32;
|
|
const void* write_memory_64;
|
|
void GenMemoryAccessors();
|
|
|
|
const void* terminal_handler_pop_rsb_hint;
|
|
const void* terminal_handler_fast_dispatch_hint = nullptr;
|
|
void GenTerminalHandlers();
|
|
|
|
// Microinstruction emitters
|
|
#define OPCODE(...)
|
|
#define A32OPC(name, type, ...) void EmitA32##name(A32EmitContext& ctx, IR::Inst* inst);
|
|
#define A64OPC(...)
|
|
#include "frontend/ir/opcodes.inc"
|
|
#undef OPCODE
|
|
#undef A32OPC
|
|
#undef A64OPC
|
|
|
|
// Helpers
|
|
std::string LocationDescriptorToFriendlyName(const IR::LocationDescriptor&) const override;
|
|
|
|
// Terminal instruction emitters
|
|
void EmitSetUpperLocationDescriptor(IR::LocationDescriptor new_location, IR::LocationDescriptor old_location);
|
|
void EmitTerminalImpl(IR::Term::Interpret terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::ReturnToDispatch terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::LinkBlock terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::LinkBlockFast terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::PopRSBHint terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::FastDispatchHint terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::If terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::CheckBit terminal, IR::LocationDescriptor initial_location) override;
|
|
void EmitTerminalImpl(IR::Term::CheckHalt terminal, IR::LocationDescriptor initial_location) override;
|
|
|
|
// Patching
|
|
void EmitPatchJg(const IR::LocationDescriptor& target_desc, CodePtr target_code_ptr = nullptr) override;
|
|
void EmitPatchJmp(const IR::LocationDescriptor& target_desc, CodePtr target_code_ptr = nullptr) override;
|
|
void EmitPatchMovRcx(CodePtr target_code_ptr = nullptr) override;
|
|
};
|
|
|
|
} // namespace Dynarmic::BackendX64
|