From 5449acc193f96d2ffaeb224aad5cea16bf753cdb Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Thu, 10 Sep 2026 08:53:57 +0200
Subject: x86_64: replace raw pointers with observer_ptr

---
 kernel/kapi/memory.cpp | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

(limited to 'kernel/kapi')

diff --git a/kernel/kapi/memory.cpp b/kernel/kapi/memory.cpp
index 1c6fa2c8..7a9f7249 100644
--- a/kernel/kapi/memory.cpp
+++ b/kernel/kapi/memory.cpp
@@ -5,6 +5,7 @@
 
 #include <kapi/system.hpp>
 
+#include <kstd/memory.hpp>
 #include <kstd/print.hpp>
 #include <kstd/units.hpp>
 
@@ -45,7 +46,7 @@ namespace kapi::memory
     {
       bad_page_mapper static instance;
 
-      auto map(page, frame, flags) -> std::byte * override
+      auto map(page, frame, flags) -> kstd::observer_ptr<std::byte> override
       {
         system::panic("[OS:MEM] Tried to map a page without an active mapper.");
       }
@@ -103,7 +104,7 @@ namespace kapi::memory
     return get_frame_allocator().allocate_many(count);
   }
 
-  auto map(page page, frame frame, page_mapper::flags flags) -> std::byte *
+  auto map(page page, frame frame, page_mapper::flags flags) -> kstd::observer_ptr<std::byte>
   {
     return active_page_mapper->map(page, frame, flags);
   }
@@ -135,7 +136,7 @@ namespace kapi::memory
       auto mapped = active_page_mapper->map(page, frame, flags);
       if (!bitmap_ptr)
       {
-        bitmap_ptr = reinterpret_cast<std::uint64_t *>(mapped);
+        bitmap_ptr = reinterpret_cast<std::uint64_t *>(mapped.get());
       }
     });
 
@@ -160,7 +161,8 @@ namespace kapi::memory
     return {region, page_count};
   }
 
-  auto map_mmio_region(mmio_region region, physical_address hw_base, page_mapper::flags flags) -> std::byte *
+  auto map_mmio_region(mmio_region region, physical_address hw_base, page_mapper::flags flags)
+      -> kstd::observer_ptr<std::byte>
   {
     auto start_page = page::containing(region.first);
     auto start_frame = frame::containing(hw_base);
-- 
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