From 2d3399ab6072acd85811a54fce8eff50628888b6 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 24 Jul 2025 16:35:34 +0000
Subject: x86_64: move files out of the way

---
 arch/x86_64/pre/src/user/main.cpp | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 arch/x86_64/pre/src/user/main.cpp

(limited to 'arch/x86_64/pre/src/user/main.cpp')

diff --git a/arch/x86_64/pre/src/user/main.cpp b/arch/x86_64/pre/src/user/main.cpp
new file mode 100644
index 0000000..8b07e4a
--- /dev/null
+++ b/arch/x86_64/pre/src/user/main.cpp
@@ -0,0 +1,35 @@
+#include "arch/user/main.hpp"
+
+#include "arch/context_switching/syscall/main.hpp"
+#include "arch/memory/heap/global_heap_allocator.hpp"
+
+#include <algorithm>
+#include <array>
+#include <atomic>
+#include <ranges>
+
+namespace teachos::arch::user
+{
+  auto main() -> void
+  {
+    constexpr char syscall_message[] = "Successfully entered user mode and wrote to VGA buffer via syscall!";
+    context_switching::syscall::syscall(context_switching::syscall::type::WRITE,
+                                        {reinterpret_cast<uint64_t>(&syscall_message)});
+
+    // Test C++ standard library
+    std::array<std::atomic<uint8_t>, 4> array_test = {std::atomic<uint8_t>{5}, std::atomic<uint8_t>{10},
+                                                      std::atomic<uint8_t>{15}, std::atomic<uint8_t>{20}};
+    std::ranges::for_each(array_test, [](auto & item) {
+      auto value = item.load();
+      uint8_t max_value = std::max(value, uint8_t{10});
+      item.exchange(max_value + 2);
+    });
+
+    auto address = new uint64_t{10U};
+    (void)address;
+
+    for (;;)
+    {
+    }
+  }
+}  // namespace teachos::arch::user
-- 
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