From f98c5fc917bf06c408be24e98f659d606f8f5cf3 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 15 Jan 2026 16:01:16 +0100
Subject: x86_64: remove obsolete components

---
 .../pre/include/arch/exception_handling/assert.hpp | 17 ---------------
 .../pre/include/arch/exception_handling/panic.hpp  | 23 --------------------
 arch/x86_64/pre/src/exception_handling/abort.cpp   | 18 ----------------
 arch/x86_64/pre/src/exception_handling/assert.cpp  | 15 -------------
 arch/x86_64/pre/src/exception_handling/panic.cpp   | 25 ----------------------
 .../pre/src/exception_handling/pure_virtual.cpp    |  6 ------
 6 files changed, 104 deletions(-)
 delete mode 100644 arch/x86_64/pre/include/arch/exception_handling/assert.hpp
 delete mode 100644 arch/x86_64/pre/include/arch/exception_handling/panic.hpp
 delete mode 100644 arch/x86_64/pre/src/exception_handling/abort.cpp
 delete mode 100644 arch/x86_64/pre/src/exception_handling/assert.cpp
 delete mode 100644 arch/x86_64/pre/src/exception_handling/panic.cpp
 delete mode 100644 arch/x86_64/pre/src/exception_handling/pure_virtual.cpp

diff --git a/arch/x86_64/pre/include/arch/exception_handling/assert.hpp b/arch/x86_64/pre/include/arch/exception_handling/assert.hpp
deleted file mode 100644
index 1286768..0000000
--- a/arch/x86_64/pre/include/arch/exception_handling/assert.hpp
+++ /dev/null
@@ -1,17 +0,0 @@
-#ifndef TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_ASSERT_HPP
-#define TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_ASSERT_HPP
-
-namespace teachos::arch::exception_handling
-{
-  /**
-   * @brief Assert a condition to be true, if not do not continue
-   * execution of the code and print the given message to screen.
-   *
-   * @param condition Condition we want to be true or else halt execution.
-   * @param message Message that should be printed before halting the execution if the condition is not met.
-   */
-  auto assert(bool condition, char const * message) -> void;
-
-}  // namespace teachos::arch::exception_handling
-
-#endif  // TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_ASSERT_HPP
diff --git a/arch/x86_64/pre/include/arch/exception_handling/panic.hpp b/arch/x86_64/pre/include/arch/exception_handling/panic.hpp
deleted file mode 100644
index 6a2404c..0000000
--- a/arch/x86_64/pre/include/arch/exception_handling/panic.hpp
+++ /dev/null
@@ -1,23 +0,0 @@
-#ifndef TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_PANIC_HPP
-#define TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_PANIC_HPP
-
-namespace teachos::arch::exception_handling
-{
-  /**
-   * @brief Print the given kernel panic message and then halt the system.
-   *
-   * @param reason Reason to print before halting the system.
-   */
-  [[noreturn]] auto panic(char const * reason) -> void;
-
-  /**
-   * @brief Print the given kernel panic message started by a given prefix and then halt the system.
-   *
-   * @param prefix Prefix to print before printing the reason.
-   * @param reason Reason to print before halting the system.
-   */
-  [[noreturn]] auto panic(char const * prefix, char const * reason) -> void;
-
-}  // namespace teachos::arch::exception_handling
-
-#endif  // TEACHOS_ARCH_X86_64_EXCEPTION_HANDLING_PANIC_HPP
diff --git a/arch/x86_64/pre/src/exception_handling/abort.cpp b/arch/x86_64/pre/src/exception_handling/abort.cpp
deleted file mode 100644
index 5dc6869..0000000
--- a/arch/x86_64/pre/src/exception_handling/abort.cpp
+++ /dev/null
@@ -1,18 +0,0 @@
-#include "arch/exception_handling/panic.hpp"
-
-#include <cstdlib>
-
-namespace teachos::arch::exception_handling
-{
-  /**
-   * @brief Override for the newlib abort function.
-   *
-   * @note newlib defines @p ::abort as a weak symbol, thus allowing implementations to override it by simply providing
-   * a matching implementation. Since the default implemenatation calls a number of functions the kernel does not
-   * currently implement, @p ::abort gets overridden to simply panic.
-   */
-  extern "C" auto abort() -> void
-  {
-    panic("Terminate was called, possibly due to an unhandled exception");
-  }
-}  // namespace teachos::arch::exception_handling
diff --git a/arch/x86_64/pre/src/exception_handling/assert.cpp b/arch/x86_64/pre/src/exception_handling/assert.cpp
deleted file mode 100644
index b2963de..0000000
--- a/arch/x86_64/pre/src/exception_handling/assert.cpp
+++ /dev/null
@@ -1,15 +0,0 @@
-#include "arch/exception_handling/assert.hpp"
-
-#include "arch/exception_handling/panic.hpp"
-
-namespace teachos::arch::exception_handling
-{
-  auto assert(bool condition, char const * message) -> void
-  {
-    if (condition)
-    {
-      return;
-    }
-    panic("Assertion Violation: ", message);
-  }
-}  // namespace teachos::arch::exception_handling
diff --git a/arch/x86_64/pre/src/exception_handling/panic.cpp b/arch/x86_64/pre/src/exception_handling/panic.cpp
deleted file mode 100644
index 9511a9a..0000000
--- a/arch/x86_64/pre/src/exception_handling/panic.cpp
+++ /dev/null
@@ -1,25 +0,0 @@
-#include "arch/exception_handling/panic.hpp"
-
-#include "arch/kernel/halt.hpp"
-#include "arch/video/vga/text.hpp"
-
-namespace teachos::arch::exception_handling
-{
-  extern "C" char const message_prefix_panic[];
-
-  auto panic(char const * reason) -> void
-  {
-    panic(message_prefix_panic, reason);
-  }
-
-  auto panic(char const * prefix, char const * reason) -> void
-  {
-    using video::vga::text::common_attributes::white_on_red;
-
-    video::vga::text::newline();
-    video::vga::text::write(prefix, white_on_red);
-    video::vga::text::write(reason, white_on_red);
-
-    kernel::halt();
-  };
-}  // namespace teachos::arch::exception_handling
diff --git a/arch/x86_64/pre/src/exception_handling/pure_virtual.cpp b/arch/x86_64/pre/src/exception_handling/pure_virtual.cpp
deleted file mode 100644
index 67772f7..0000000
--- a/arch/x86_64/pre/src/exception_handling/pure_virtual.cpp
+++ /dev/null
@@ -1,6 +0,0 @@
-#include "arch/exception_handling/panic.hpp"
-
-extern "C" auto __cxa_pure_virtual() -> void
-{
-  teachos::arch::exception_handling::panic("Runtime", "Tried to call a pure virtual function!");
-}
-- 
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