From b6ee8bec7ed23fd0c544f67f735e96b2bfe67682 Mon Sep 17 00:00:00 2001
From: Fabian Imhof <fabian.imhof@ost.ch>
Date: Thu, 20 Mar 2025 15:30:18 +0000
Subject: begin implementation of IDT

---
 arch/x86_64/src/kernel/cpu/jmp.cpp | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 arch/x86_64/src/kernel/cpu/jmp.cpp

(limited to 'arch/x86_64/src/kernel/cpu/jmp.cpp')

diff --git a/arch/x86_64/src/kernel/cpu/jmp.cpp b/arch/x86_64/src/kernel/cpu/jmp.cpp
new file mode 100644
index 0000000..009981b
--- /dev/null
+++ b/arch/x86_64/src/kernel/cpu/jmp.cpp
@@ -0,0 +1,16 @@
+#include "arch/kernel/cpu/jmp.hpp"
+
+namespace teachos::arch::kernel::cpu
+{
+  auto jmp(uint64_t address) -> void
+  {
+    asm volatile("jmp *%[input]" : /* no output from call */ : [input] "r"(address));
+  }
+
+  auto jmp(uint64_t segment, uint64_t offset) -> void
+  {
+    far_pointer far_pointer = {offset, static_cast<uint16_t>(segment)};
+    asm volatile("jmp *%0" : : "m"(far_pointer));
+  }
+
+}  // namespace teachos::arch::kernel::cpu
-- 
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