From 01af2f4162308029e53143f0caa953bc4c59de92 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 6 Aug 2021 23:04:32 -0700
Subject: core: hle: kernel: k_thread: Add KScopedDisableDispatch.

---
 src/core/hle/kernel/k_thread.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

(limited to 'src/core/hle/kernel/k_thread.h')

diff --git a/src/core/hle/kernel/k_thread.h b/src/core/hle/kernel/k_thread.h
index c77f44ad4..a149744c8 100644
--- a/src/core/hle/kernel/k_thread.h
+++ b/src/core/hle/kernel/k_thread.h
@@ -450,16 +450,35 @@ public:
         sleeping_queue = q;
     }
 
+    [[nodiscard]] bool IsKernelThread() const {
+        return GetActiveCore() == 3;
+    }
+
     [[nodiscard]] s32 GetDisableDispatchCount() const {
+        if (IsKernelThread()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return 1;
+        }
+
         return this->GetStackParameters().disable_count;
     }
 
     void DisableDispatch() {
+        if (IsKernelThread()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return;
+        }
+
         ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() >= 0);
         this->GetStackParameters().disable_count++;
     }
 
     void EnableDispatch() {
+        if (IsKernelThread()) {
+            // TODO(bunnei): Until kernel threads are emulated, we cannot enable/disable dispatch.
+            return;
+        }
+
         ASSERT(GetCurrentThread(kernel).GetDisableDispatchCount() > 0);
         this->GetStackParameters().disable_count--;
     }
@@ -752,4 +771,16 @@ public:
     }
 };
 
+class KScopedDisableDispatch {
+public:
+    explicit KScopedDisableDispatch(KernelCore& kernel_) : kernel{kernel_} {
+        GetCurrentThread(kernel).DisableDispatch();
+    }
+
+    ~KScopedDisableDispatch();
+
+private:
+    KernelCore& kernel;
+};
+
 } // namespace Kernel
-- 
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