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
65 lines
2.6 KiB
C#
65 lines
2.6 KiB
C#
using Ryujinx.HLE.Exceptions;
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using Ryujinx.HLE.HOS.Tamper.Operations;
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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 0xC1 performs saving or restoring of registers.
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/// NOTE: Registers are saved and restored to a different set of registers than the ones used
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/// for the other opcodes (Save Registers).
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/// </summary>
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class SaveOrRestoreRegister
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{
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private const int DestinationRegisterIndex = 3;
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private const int SourceRegisterIndex = 5;
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private const int OperationTypeIndex = 6;
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private const int RestoreRegister = 0;
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private const int SaveRegister = 1;
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private const int ClearSavedValue = 2;
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private const int ClearRegister = 3;
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public static void Emit(byte[] instruction, CompilationContext context)
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{
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// C10D0Sx0
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// D: Destination index.
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// S: Source index.
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// x: Operand Type, see below.
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byte destinationRegIndex = instruction[DestinationRegisterIndex];
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byte sourceRegIndex = instruction[SourceRegisterIndex];
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byte operationType = instruction[OperationTypeIndex];
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Impl(operationType, destinationRegIndex, sourceRegIndex, context);
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}
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public static void Impl(byte operationType, byte destinationRegIndex, byte sourceRegIndex, CompilationContext context)
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{
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IOperand destinationOperand;
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IOperand sourceOperand;
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switch (operationType)
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{
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case RestoreRegister:
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destinationOperand = context.GetRegister(destinationRegIndex);
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sourceOperand = context.GetSavedRegister(sourceRegIndex);
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break;
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case SaveRegister:
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destinationOperand = context.GetSavedRegister(destinationRegIndex);
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sourceOperand = context.GetRegister(sourceRegIndex);
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break;
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case ClearSavedValue:
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destinationOperand = new Value<ulong>(0);
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sourceOperand = context.GetSavedRegister(sourceRegIndex);
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break;
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case ClearRegister:
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destinationOperand = new Value<ulong>(0);
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sourceOperand = context.GetRegister(sourceRegIndex);
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break;
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default:
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throw new TamperCompilationException($"Invalid register operation type {operationType} in Atmosphere cheat");
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}
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context.CurrentOperations.Add(new OpMov<ulong>(destinationOperand, sourceOperand));
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}
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}
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}
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