os: rework kernel architecture

Rework the code structure and architecture of the kernel by separating
platform-dependent and platform-independent code more cleanly. As of
this patchset, full feature parity has not been achieved. Nonetheless, a
sufficient subset of functionality has been ported to the new
architecture to demonstrate the feasibility of the new structure.

1 files changed, 0 insertions, 35 deletions

diff --git a/arch/x86_64/src/user/main.cpp b/arch/x86_64/src/user/main.cpp
deleted file mode 100644
index 8b07e4a..0000000
--- a/arch/x86_64/src/user/main.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#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