mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-11-16 21:36:39 +00:00
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
41 lines
1.9 KiB
C#
41 lines
1.9 KiB
C#
namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
|
|
{
|
|
/// <summary>
|
|
/// Code type 0 allows writing a static value to a memory address.
|
|
/// </summary>
|
|
class StoreConstantToAddress
|
|
{
|
|
private const int OperationWidthIndex = 1;
|
|
private const int MemoryRegionIndex = 2;
|
|
private const int OffsetRegisterIndex = 3;
|
|
private const int OffsetImmediateIndex = 6;
|
|
private const int ValueImmediateIndex = 16;
|
|
|
|
private const int OffsetImmediateSize = 10;
|
|
private const int ValueImmediateSize8 = 8;
|
|
private const int ValueImmediateSize16 = 16;
|
|
|
|
public static void Emit(byte[] instruction, CompilationContext context)
|
|
{
|
|
// 0TMR00AA AAAAAAAA VVVVVVVV (VVVVVVVV)
|
|
// T: Width of memory write(1, 2, 4, or 8 bytes).
|
|
// M: Memory region to write to(0 = Main NSO, 1 = Heap).
|
|
// R: Register to use as an offset from memory region base.
|
|
// A: Immediate offset to use from memory region base.
|
|
// V: Value to write.
|
|
|
|
byte operationWidth = instruction[OperationWidthIndex];
|
|
MemoryRegion memoryRegion = (MemoryRegion)instruction[MemoryRegionIndex];
|
|
Register offsetRegister = context.GetRegister(instruction[OffsetRegisterIndex]);
|
|
ulong offsetImmediate = InstructionHelper.GetImmediate(instruction, OffsetImmediateIndex, OffsetImmediateSize);
|
|
|
|
Pointer dstMem = MemoryHelper.EmitPointer(memoryRegion, offsetRegister, offsetImmediate, context);
|
|
|
|
int valueImmediateSize = operationWidth <= 4 ? ValueImmediateSize8 : ValueImmediateSize16;
|
|
ulong valueImmediate = InstructionHelper.GetImmediate(instruction, ValueImmediateIndex, valueImmediateSize);
|
|
Value<ulong> storeValue = new Value<ulong>(valueImmediate);
|
|
|
|
InstructionHelper.EmitMov(operationWidth, context, dstMem, storeValue);
|
|
}
|
|
}
|
|
}
|