mirror of
https://github.com/azahar-emu/dynarmic.git
synced 2026-05-03 01:40:09 +02:00
66 lines
2.2 KiB
C++
66 lines
2.2 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 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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#include "frontend/A64/decoder/a64.h"
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#include "frontend/A64/location_descriptor.h"
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#include "frontend/A64/translate/impl/impl.h"
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#include "frontend/A64/translate/translate.h"
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#include "frontend/ir/basic_block.h"
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#include "frontend/ir/terminal.h"
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namespace Dynarmic::A64 {
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IR::Block Translate(LocationDescriptor descriptor, MemoryReadCodeFuncType memory_read_code, TranslationOptions options) {
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IR::Block block{descriptor};
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TranslatorVisitor visitor{block, descriptor, std::move(options)};
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const bool single_step = descriptor.SingleStepping();
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bool should_continue = true;
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do {
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const u64 pc = visitor.ir.current_location->PC();
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const u32 instruction = memory_read_code(pc);
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if (auto decoder = Decode<TranslatorVisitor>(instruction)) {
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should_continue = decoder->get().call(visitor, instruction);
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} else {
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should_continue = visitor.InterpretThisInstruction();
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}
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visitor.ir.current_location = visitor.ir.current_location->AdvancePC(4);
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block.CycleCount()++;
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} while (should_continue && !single_step);
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if (single_step && should_continue) {
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visitor.ir.SetTerm(IR::Term::LinkBlock{*visitor.ir.current_location});
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}
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ASSERT_MSG(block.HasTerminal(), "Terminal has not been set");
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block.SetEndLocation(*visitor.ir.current_location);
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return block;
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}
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bool TranslateSingleInstruction(IR::Block& block, LocationDescriptor descriptor, u32 instruction) {
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TranslatorVisitor visitor{block, descriptor, {}};
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bool should_continue = true;
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if (auto decoder = Decode<TranslatorVisitor>(instruction)) {
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should_continue = decoder->get().call(visitor, instruction);
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} else {
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should_continue = visitor.InterpretThisInstruction();
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}
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visitor.ir.current_location = visitor.ir.current_location->AdvancePC(4);
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block.CycleCount()++;
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block.SetEndLocation(*visitor.ir.current_location);
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return should_continue;
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}
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} // namespace Dynarmic::A64
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