x86_64: split kapi::cpu implementation

3 files changed, 68 insertions, 59 deletions

diff --git a/arch/x86_64/CMakeLists.txt b/arch/x86_64/CMakeLists.txt
index 89d9bc0..8ff81d8 100644
--- a/arch/x86_64/CMakeLists.txt
+++ b/arch/x86_64/CMakeLists.txt
@@ -15,6 +15,7 @@ target_sources("x86_64" PRIVATE
     "kapi/boot_modules.cpp"
     "kapi/cio.cpp"
     "kapi/cpu.cpp"
+    "kapi/cpu/interrupts.cpp"
     "kapi/memory.cpp"
     "kapi/system.cpp"
 
diff --git a/arch/x86_64/kapi/cpu.cpp b/arch/x86_64/kapi/cpu.cpp
index b19ba21..12edb0f 100644
--- a/arch/x86_64/kapi/cpu.cpp
+++ b/arch/x86_64/kapi/cpu.cpp
@@ -4,22 +4,11 @@
 
 #include "arch/cpu/initialization.hpp"
 
-#include <kstd/print>
-#include <kstd/vector>
-
-#include <array>
 #include <atomic>
-#include <cstdint>
 
 namespace kapi::cpu
 {
 
-  namespace
-  {
-    constexpr auto irq_offset = 32uz;
-    auto constinit interrupt_handlers = std::array<kstd::vector<interrupt_handler *>, 256 - irq_offset>{};
-  }  // namespace
-
   auto init() -> void
   {
     auto static constinit is_initialized = std::atomic_flag{};
@@ -39,52 +28,4 @@ namespace kapi::cpu
     __builtin_unreachable();
   }
 
-  auto enable_interrupts() -> void
-  {
-    asm volatile("sti");
-  }
-
-  auto disable_interrupts() -> void
-  {
-    asm volatile("cli");
-  }
-
-  auto register_interrupt_handler(std::uint32_t irq_number, interrupt_handler & handler) -> void
-  {
-    if (irq_number < irq_offset)
-    {
-      system::panic("[x86_64:CPU] IRQ number must be in range [32, 255].");
-    }
-
-    interrupt_handlers[irq_number - irq_offset].push_back(&handler);
-  }
-
-  auto unregister_interrupt_handler(std::uint32_t irq_number, [[maybe_unused]] interrupt_handler & handler) -> void
-  {
-    if (irq_number < irq_offset)
-    {
-      system::panic("[x86_64:CPU] IRQ number must be in range [32, 255].");
-    }
-
-    kstd::println("[x86_64:CPU] TODO: support erasure from vector.");
-  }
-
-  auto dispatch_interrupt(std::uint32_t irq_number) -> status
-  {
-    if (irq_number < irq_offset)
-    {
-      return status::unhandled;
-    }
-
-    for (auto handler : interrupt_handlers[irq_number - irq_offset])
-    {
-      if (handler && handler->handle_interrupt(irq_number) == status::handled)
-      {
-        return status::handled;
-      }
-    }
-
-    return status::unhandled;
-  }
-
 }  // namespace kapi::cpu
diff --git a/arch/x86_64/kapi/cpu/interrupts.cpp b/arch/x86_64/kapi/cpu/interrupts.cpp
new file mode 100644
index 0000000..b98595c
--- /dev/null
+++ b/arch/x86_64/kapi/cpu/interrupts.cpp
@@ -0,0 +1,67 @@
+#include "kapi/cpu.hpp"
+#include "kapi/system.hpp"
+
+#include <kstd/print>
+#include <kstd/vector>
+
+#include <array>
+#include <cstdint>
+
+namespace kapi::cpu
+{
+
+  namespace
+  {
+    constexpr auto irq_offset = 32uz;
+    auto constinit interrupt_handlers = std::array<kstd::vector<interrupt_handler *>, 256 - irq_offset>{};
+  }  // namespace
+
+  auto enable_interrupts() -> void
+  {
+    asm volatile("sti");
+  }
+
+  auto disable_interrupts() -> void
+  {
+    asm volatile("cli");
+  }
+
+  auto register_interrupt_handler(std::uint32_t irq_number, interrupt_handler & handler) -> void
+  {
+    if (irq_number < irq_offset)
+    {
+      system::panic("[x86_64:CPU] IRQ number must be in range [32, 255].");
+    }
+
+    interrupt_handlers[irq_number - irq_offset].push_back(&handler);
+  }
+
+  auto unregister_interrupt_handler(std::uint32_t irq_number, [[maybe_unused]] interrupt_handler & handler) -> void
+  {
+    if (irq_number < irq_offset)
+    {
+      system::panic("[x86_64:CPU] IRQ number must be in range [32, 255].");
+    }
+
+    kstd::println("[x86_64:CPU] TODO: support erasure from vector.");
+  }
+
+  auto dispatch_interrupt(std::uint32_t irq_number) -> status
+  {
+    if (irq_number < irq_offset)
+    {
+      return status::unhandled;
+    }
+
+    for (auto handler : interrupt_handlers[irq_number - irq_offset])
+    {
+      if (handler && handler->handle_interrupt(irq_number) == status::handled)
+      {
+        return status::handled;
+      }
+    }
+
+    return status::unhandled;
+  }
+
+}  // namespace kapi::cpu
\ No newline at end of file