From 1430f1c4c2839485440ef0494ad2cd72640885a0 Mon Sep 17 00:00:00 2001
From: wheremyfoodat <44909372+wheremyfoodat@users.noreply.github.com>
Date: Tue, 2 Jan 2024 17:18:47 +0200
Subject: [PATCH] Implement SVC 0x3B (GetThreadContext)

---
 include/kernel/kernel.hpp   | 1 +
 src/core/kernel/kernel.cpp  | 1 +
 src/core/kernel/threads.cpp | 7 +++++++
 3 files changed, 9 insertions(+)

diff --git a/include/kernel/kernel.hpp b/include/kernel/kernel.hpp
index 30f1310e7..3f09bf12f 100644
--- a/include/kernel/kernel.hpp
+++ b/include/kernel/kernel.hpp
@@ -146,6 +146,7 @@ class Kernel {
 	void getResourceLimitCurrentValues();
 	void getSystemInfo();
 	void getSystemTick();
+	void getThreadContext();
 	void getThreadID();
 	void getThreadIdealProcessor();
 	void getThreadPriority();
diff --git a/src/core/kernel/kernel.cpp b/src/core/kernel/kernel.cpp
index 04af5096e..2e4fffff5 100644
--- a/src/core/kernel/kernel.cpp
+++ b/src/core/kernel/kernel.cpp
@@ -66,6 +66,7 @@ void Kernel::serviceSVC(u32 svc) {
 		case 0x38: getResourceLimit(); break;
 		case 0x39: getResourceLimitLimitValues(); break;
 		case 0x3A: getResourceLimitCurrentValues(); break;
+		case 0x3B: getThreadContext(); break;
 		case 0x3D: outputDebugString(); break;
 		default: Helpers::panic("Unimplemented svc: %X @ %08X", svc, regs[15]); break;
 	}
diff --git a/src/core/kernel/threads.cpp b/src/core/kernel/threads.cpp
index 5c21d5076..239a66176 100644
--- a/src/core/kernel/threads.cpp
+++ b/src/core/kernel/threads.cpp
@@ -462,6 +462,13 @@ void Kernel::getThreadIdealProcessor() {
 	regs[1] = static_cast<u32>(ProcessorID::AppCore);
 }
 
+void Kernel::getThreadContext() {
+	Helpers::warn("Stubbed Kernel::GetThreadContext");
+
+	// TODO: Decompile this from Kernel11. 3DBrew says function is stubbed.
+	regs[0] = Result::Success;
+}
+
 void Kernel::setThreadPriority() {
 	const Handle handle = regs[0];
 	const u32 priority = regs[1];