From 58a2e6412cab7038626dc708979355ee6c937a10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?S=C3=B6nke=20Holz?= <sholz8530@gmail.com>
Date: Tue, 27 Feb 2024 01:20:10 +0100
Subject: [PATCH] Kernel/riscv64: Implement Processor::pause

---
 Kernel/Arch/riscv64/Processor.h | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Kernel/Arch/riscv64/Processor.h b/Kernel/Arch/riscv64/Processor.h
index 6bce31b7827..1e0995aea3a 100644
--- a/Kernel/Arch/riscv64/Processor.h
+++ b/Kernel/Arch/riscv64/Processor.h
@@ -196,7 +196,9 @@ ALWAYS_INLINE Thread* ProcessorBase<T>::current_thread()
 template<typename T>
 ALWAYS_INLINE void ProcessorBase<T>::pause()
 {
-    TODO_RISCV64();
+    // FIXME: Use the pause instruction directly (via .option arch, +zihintpause)
+    //        when we upgrade our toolchain to clang 17
+    asm volatile(".word 0x0100000f");
 }
 
 template<typename T>