From c86b42b88659c50b6def9b5b52b4605b2a0e5d13 Mon Sep 17 00:00:00 2001
From: Felix Morgner <felix.morgner@ost.ch>
Date: Fri, 24 Jul 2026 12:36:04 +0200
Subject: kapi/interrupts: add ISR context

---
 kernel/kapi/interrupts.cpp | 19 ++++++++++++-------
 1 file changed, 12 insertions(+), 7 deletions(-)

(limited to 'kernel/kapi/interrupts.cpp')

diff --git a/kernel/kapi/interrupts.cpp b/kernel/kapi/interrupts.cpp
index 18a1b29d..c5925058 100644
--- a/kernel/kapi/interrupts.cpp
+++ b/kernel/kapi/interrupts.cpp
@@ -1,37 +1,42 @@
 #include <kapi/interrupts.hpp>
 
 #include <kstd/flat_map.hpp>
+#include <kstd/memory.hpp>
 #include <kstd/print.hpp>
 #include <kstd/vector.hpp>
 
 #include <algorithm>
 #include <cstdint>
+#include <utility>
 
 namespace kapi::interrupts
 {
 
   namespace
   {
-    auto constinit handlers = kstd::flat_map<std::uint32_t, kstd::vector<handler *>>{};
+    auto constinit handlers = kstd::flat_map<std::uint32_t, kstd::vector<std::pair<handler *, kstd::weak_ptr<void>>>>{};
   }  // namespace
 
-  auto register_handler(std::uint32_t irq_number, handler & handler) -> void
+  auto register_handler(std::uint32_t irq_number, handler & handler, kstd::weak_ptr<void> context) -> void
   {
     if (handlers.contains(irq_number))
     {
       auto & handler_list = handlers.at(irq_number);
-      handler_list.push_back(&handler);
+      handler_list.push_back(std::pair{&handler, context});
     }
     else
     {
-      handlers.emplace(irq_number, kstd::vector{&handler});
+      handlers.emplace(irq_number, kstd::vector{
+                                     std::pair{&handler, context}
+      });
     }
   }
 
   auto unregister_handler(std::uint32_t irq_number, handler & handler) -> void
   {
     auto & handler_list = handlers.at(irq_number);
-    auto [first, last] = std::ranges::remove(handler_list, &handler);
+    auto [first, last] =
+        std::ranges::remove_if(handler_list, [&](auto const & entry) { return entry.first == &handler; });
     handler_list.erase(first, last);
   }
 
@@ -51,9 +56,9 @@ namespace kapi::interrupts
       return status::unhandled;
     }
 
-    for (auto handler : handler_list)
+    for (auto const & [handler, context] : handler_list)
     {
-      if (handler && handler->handle_interrupt(irq_number) == status::handled)
+      if (handler && handler->handle_interrupt(irq_number, context) == status::handled)
       {
         return status::handled;
       }
-- 
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