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

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* 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
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71 changed files with 2793 additions and 5 deletions
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27
Ryujinx.HLE/HOS/ProgramLoader.cs
View file

@ -1,13 +1,14 @@
using ARMeilleure.Translation.PTC;
using Ryujinx.Common;
using Ryujinx.Common.Logging;
using Ryujinx.Cpu;
using Ryujinx.HLE.HOS.Kernel;
using Ryujinx.HLE.HOS.Kernel.Common;
using Ryujinx.HLE.HOS.Kernel.Memory;
using Ryujinx.HLE.HOS.Kernel.Process;
using Ryujinx.HLE.Loaders.Executables;
using Ryujinx.HLE.Loaders.Npdm;
using System;
using System.Linq;
namespace Ryujinx.HLE.HOS
{
@ -124,13 +125,20 @@ namespace Ryujinx.HLE.HOS
return true;
}
public static bool LoadNsos(KernelContext context, Npdm metaData, byte[] arguments = null, params IExecutable[] executables)
public static bool LoadNsos(KernelContext context, out ProcessTamperInfo tamperInfo, Npdm metaData, byte[] arguments = null, params IExecutable[] executables)
{
ulong argsStart = 0;
uint argsSize = 0;
ulong codeStart = metaData.Is64Bit ? 0x8000000UL : 0x200000UL;
uint codeSize = 0;
var buildIds = executables.Select(e => (e switch
{
NsoExecutable nso => BitConverter.ToString(nso.BuildId.Bytes.ToArray()),
NroExecutable nro => BitConverter.ToString(nro.Header.BuildId),
_ => ""
}).Replace("-", "").ToUpper());
ulong[] nsoBase = new ulong[executables.Length];
for (int index = 0; index < executables.Length; index++)
@ -202,6 +210,8 @@ namespace Ryujinx.HLE.HOS
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed setting resource limit values.");
tamperInfo = null;
return false;
}
@ -213,6 +223,8 @@ namespace Ryujinx.HLE.HOS
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization failed due to invalid ACID flags.");
tamperInfo = null;
return false;
}
@ -229,6 +241,8 @@ namespace Ryujinx.HLE.HOS
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
tamperInfo = null;
return false;
}
@ -242,6 +256,8 @@ namespace Ryujinx.HLE.HOS
{
Logger.Error?.Print(LogClass.Loader, $"Process initialization returned error \"{result}\".");
tamperInfo = null;
return false;
}
}
@ -254,11 +270,18 @@ namespace Ryujinx.HLE.HOS
{
Logger.Error?.Print(LogClass.Loader, $"Process start returned error \"{result}\".");
tamperInfo = null;
return false;
}
context.Processes.TryAdd(process.Pid, process);
// Keep the build ids because the tamper machine uses them to know which process to associate a
// tamper to and also keep the starting address of each executable inside a process because some
// memory modifications are relative to this address.
tamperInfo = new ProcessTamperInfo(process, buildIds, nsoBase, process.MemoryManager.HeapRegionStart);
return true;
}