kapi: implement a simple, tracked mutex

1 files changed, 6 insertions, 0 deletions

diff --git a/arch/x86_64/kapi/cpu.cpp b/arch/x86_64/kapi/cpu.cpp
index c45703e5..100f53df 100644
--- a/arch/x86_64/kapi/cpu.cpp
+++ b/arch/x86_64/kapi/cpu.cpp
@@ -82,4 +82,10 @@ namespace kapi::cpu
     return core_index > 0;
   }
 
+  auto current_id() -> id
+  {
+    // TODO: implement actual ID reading once APs are being set up.
+    return id{.value = 0};
+  }
+
 }  // namespace kapi::cpu