aboutsummaryrefslogtreecommitdiff
path: root/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs
diff options
context:
space:
mode:
authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreConstantToMemory.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (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.cs71
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");
- }
- }
- }
-}