mirror of
https://github.com/Ryujinx/Ryujinx.git
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0c1ea1212a
* Add initial implementation of the Tamper Machine * Implement Atmosphere opcodes 0, 4 and 9 * Add missing TamperCompilationException class * Implement Atmosphere conditional and loop opcodes 1, 2 and 3 * Inplement input conditional opcode 8 * Add register store opcode A * Implement extended pause/resume opcodes FF0 and FF1 * Implement extended log opcode FFF * Implement extended register conditional opcode C0 * Refactor TamperProgram to an interface * Moved Atmosphere classes to a separate subdirectory * Fix OpProcCtrl class not setting process * Implement extended register save/restore opcodes C1, C2 and C3 * Refactor code emitters to separate classes * Supress memory access errors from the Tamper Machine * Add debug information to tamper register and memory writes * Add block stack check to Atmosphere Cheat compiler * Add handheld input support to Tamper Machine * Fix code styling * Fix build id and cheat case mismatch * Fix invalid immediate size selection * Print build ids of the title * Prevent Tamper Machine from change code regions * Remove Atmosphere namespace * Remove empty cheats from the list * Prevent code modification without disabling the tampering * Fix missing addressing mode in LoadRegisterWithMemory * Fix wrong addressing in RegisterConditional * Add name to the tamper machine thread * Fix code styling
50 lines
2 KiB
C#
50 lines
2 KiB
C#
using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.HOS.Tamper.Conditions;
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using Ryujinx.HLE.HOS.Tamper.Operations;
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using System.Collections.Generic;
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namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
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{
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/// <summary>
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/// Code type 2 marks the end of a conditional block (started by Code Type 1, Code Type 8 or Code Type C0).
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/// </summary>
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class EndConditionalBlock
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{
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public static void Emit(byte[] instruction, CompilationContext context)
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{
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// 20000000
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// Use the conditional begin instruction stored in the stack.
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instruction = context.CurrentBlock.BaseInstruction;
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CodeType codeType = InstructionHelper.GetCodeType(instruction);
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// Pop the current block of operations from the stack so control instructions
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// for the conditional can be emitted in the upper block.
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IEnumerable<IOperation> operations = context.CurrentOperations;
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context.BlockStack.Pop();
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ICondition condition;
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switch (codeType)
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{
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case CodeType.BeginMemoryConditionalBlock:
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condition = MemoryConditional.Emit(instruction, context);
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break;
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case CodeType.BeginKeypressConditionalBlock:
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condition = KeyPressConditional.Emit(instruction, context);
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break;
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case CodeType.BeginRegisterConditionalBlock:
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condition = RegisterConditional.Emit(instruction, context);
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break;
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default:
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throw new TamperCompilationException($"Conditional end does not match code type {codeType} in Atmosphere cheat");
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}
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// Create a conditional block with the current operations and nest it in the upper
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// block of the stack.
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IfBlock block = new IfBlock(condition, operations);
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context.CurrentOperations.Add(block);
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}
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}
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}
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