diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs | 71 |
1 files changed, 0 insertions, 71 deletions
diff --git a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs b/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs deleted file mode 100644 index 5f036969..00000000 --- a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs +++ /dev/null @@ -1,71 +0,0 @@ -using Ryujinx.HLE.Exceptions; -using Ryujinx.HLE.HOS.Tamper.Operations; - -namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters -{ - /// <summary> - /// Code type 6 allows writing a fixed value to a memory address specified by a register. - /// </summary> - class StoreConstantToMemory - { - private const int OperationWidthIndex = 1; - private const int AddressRegisterIndex = 3; - private const int IncrementAddressRegisterIndex = 4; - private const int UseOffsetRegisterIndex = 5; - private const int OffsetRegisterIndex = 6; - private const int ValueImmediateIndex = 8; - - private const int ValueImmediateSize = 16; - - public static void Emit(byte[] instruction, CompilationContext context) - { - // 6T0RIor0 VVVVVVVV VVVVVVVV - // T: Width of memory write(1, 2, 4, or 8 bytes). - // R: Register used as base memory address. - // I: Increment register flag(0 = do not increment R, 1 = increment R by T). - // o: Offset register enable flag(0 = do not add r to address, 1 = add r to address). - // r: Register used as offset when o is 1. - // V: Value to write to memory. - - byte operationWidth = instruction[OperationWidthIndex]; - Register sourceRegister = context.GetRegister(instruction[AddressRegisterIndex]); - byte incrementAddressRegister = instruction[IncrementAddressRegisterIndex]; - byte useOffsetRegister = instruction[UseOffsetRegisterIndex]; - ulong immediate = InstructionHelper.GetImmediate(instruction, ValueImmediateIndex, ValueImmediateSize); - Value<ulong> storeValue = new Value<ulong>(immediate); - - Pointer destinationMemory; - - switch (useOffsetRegister) - { - case 0: - // Don't offset the address register by another register. - destinationMemory = MemoryHelper.EmitPointer(sourceRegister, context); - break; - case 1: - // Replace the source address by the sum of the base and offset registers. - Register offsetRegister = context.GetRegister(instruction[OffsetRegisterIndex]); - destinationMemory = MemoryHelper.EmitPointer(sourceRegister, offsetRegister, context); - break; - default: - throw new TamperCompilationException($"Invalid offset mode {useOffsetRegister} in Atmosphere cheat"); - } - - InstructionHelper.EmitMov(operationWidth, context, destinationMemory, storeValue); - - switch (incrementAddressRegister) - { - case 0: - // Don't increment the address register by operationWidth. - break; - case 1: - // Increment the address register by operationWidth. - IOperand increment = new Value<ulong>(operationWidth); - context.CurrentOperations.Add(new OpAdd<ulong>(sourceRegister, sourceRegister, increment)); - break; - default: - throw new TamperCompilationException($"Invalid increment mode {incrementAddressRegister} in Atmosphere cheat"); - } - } - } -} |
