drashna/ryujinx
1
0
Fork 0
Code Activity Actions

Add the TamperMachine module for runtime mods and cheats (#1928)

Browse source 
* 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
This commit is contained in:
Caian Benedicto 2021-03-27 11:12:05 -03:00 • committed by GitHub
parent a5d5ca0635
commit 0c1ea1212a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
71 changed files with 2793 additions and 5 deletions
Download patch file Download diff file Expand all files Collapse all files

28
Ryujinx.HLE/HOS/Tamper/CodeEmitters/LoadRegisterWithConstant.cs Normal file
View file

@ -0,0 +1,28 @@
using Ryujinx.HLE.HOS.Tamper.Operations;
namespace Ryujinx.HLE.HOS.Tamper.CodeEmitters
{
/// <summary>
/// Code type 4 allows setting a register to a constant value.
/// </summary>
class LoadRegisterWithConstant
{
const int RegisterIndex = 3;
const int ValueImmediateIndex = 8;
const int ValueImmediateSize = 16;
public static void Emit(byte[] instruction, CompilationContext context)
{
// 400R0000 VVVVVVVV VVVVVVVV
// R: Register to use.
// V: Value to load.
Register destinationRegister = context.GetRegister(instruction[RegisterIndex]);
ulong immediate = InstructionHelper.GetImmediate(instruction, ValueImmediateIndex, ValueImmediateSize);
Value<ulong> sourceValue = new Value<ulong>(immediate);
context.CurrentOperations.Add(new OpMov<ulong>(destinationRegister, sourceValue));
}
}
}