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/StoreRegisterToMemory.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreRegisterToMemory.cs')
| -rw-r--r-- | Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreRegisterToMemory.cs | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreRegisterToMemory.cs b/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreRegisterToMemory.cs deleted file mode 100644 index 422ff298..00000000 --- a/Ryujinx.HLE/HOS/Tamper/CodeEmitters/StoreRegisterToMemory.cs +++ /dev/null @@ -1,99 +0,0 @@ -using Ryujinx.HLE.Exceptions; -using Ryujinx.HLE.HOS.Tamper.Operations; - -namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters -{ - /// <summary> - /// Code type 10 allows writing a register to memory. - /// </summary> - class StoreRegisterToMemory - { - private const int OperationWidthIndex = 1; - private const int SourceRegisterIndex = 2; - private const int AddressRegisterIndex = 3; - private const int IncrementAddressRegisterIndex = 4; - private const int AddressingTypeIndex = 5; - private const int RegisterOrMemoryRegionIndex = 6; - private const int OffsetImmediateIndex = 7; - - private const int AddressRegister = 0; - private const int AddressRegisterWithOffsetRegister = 1; - private const int OffsetImmediate = 2; - private const int MemoryRegionWithOffsetRegister = 3; - private const int MemoryRegionWithOffsetImmediate = 4; - private const int MemoryRegionWithOffsetRegisterAndImmediate = 5; - - private const int OffsetImmediateSize1 = 1; - private const int OffsetImmediateSize9 = 9; - - public static void Emit(byte[] instruction, CompilationContext context) - { - // ATSRIOxa (aaaaaaaa) - // T: Width of memory write (1, 2, 4, or 8 bytes). - // S: Register to write to memory. - // R: Register to use as base address. - // I: Increment register flag (0 = do not increment R, 1 = increment R by T). - // O: Offset type, see below. - // x: Register used as offset when O is 1, Memory type when O is 3, 4 or 5. - // a: Value used as offset when O is 2, 4 or 5. - - byte operationWidth = instruction[OperationWidthIndex]; - Register sourceRegister = context.GetRegister(instruction[SourceRegisterIndex]); - Register addressRegister = context.GetRegister(instruction[AddressRegisterIndex]); - byte incrementAddressRegister = instruction[IncrementAddressRegisterIndex]; - byte offsetType = instruction[AddressingTypeIndex]; - byte registerOrMemoryRegion = instruction[RegisterOrMemoryRegionIndex]; - int immediateSize = instruction.Length <= 8 ? OffsetImmediateSize1 : OffsetImmediateSize9; - ulong immediate = InstructionHelper.GetImmediate(instruction, OffsetImmediateIndex, immediateSize); - - Pointer destinationMemory; - - switch (offsetType) - { - case AddressRegister: - // *($R) = $S - destinationMemory = MemoryHelper.EmitPointer(addressRegister, context); - break; - case AddressRegisterWithOffsetRegister: - // *($R + $x) = $S - Register offsetRegister = context.GetRegister(registerOrMemoryRegion); - destinationMemory = MemoryHelper.EmitPointer(addressRegister, offsetRegister, context); - break; - case OffsetImmediate: - // *(#a) = $S - destinationMemory = MemoryHelper.EmitPointer(addressRegister, immediate, context); - break; - case MemoryRegionWithOffsetRegister: - // *(?x + $R) = $S - destinationMemory = MemoryHelper.EmitPointer((MemoryRegion)registerOrMemoryRegion, addressRegister, context); - break; - case MemoryRegionWithOffsetImmediate: - // *(?x + #a) = $S - destinationMemory = MemoryHelper.EmitPointer((MemoryRegion)registerOrMemoryRegion, immediate, context); - break; - case MemoryRegionWithOffsetRegisterAndImmediate: - // *(?x + #a + $R) = $S - destinationMemory = MemoryHelper.EmitPointer((MemoryRegion)registerOrMemoryRegion, addressRegister, immediate, context); - break; - default: - throw new TamperCompilationException($"Invalid offset type {offsetType} in Atmosphere cheat"); - } - - InstructionHelper.EmitMov(operationWidth, context, destinationMemory, sourceRegister); - - 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>(addressRegister, addressRegister, increment)); - break; - default: - throw new TamperCompilationException($"Invalid increment mode {incrementAddressRegister} in Atmosphere cheat"); - } - } - } -} |
