Merge branch 'develop-BA-FS26' into 'develop'HEADdevelop

Merge of BA-FS26 branch into develop

See merge request teachos/kernel!49

1 files changed, 35 insertions, 0 deletions

diff --git a/kernel/kapi/cpu.cpp b/kernel/kapi/cpu.cpp
new file mode 100644
index 0000000..7b1a43b
--- /dev/null
+++ b/kernel/kapi/cpu.cpp
@@ -0,0 +1,35 @@
+#include <kapi/cpu.hpp>
+
+#include <kapi/system.hpp>
+
+#include <kstd/print>
+
+namespace kapi::cpu
+{
+
+  namespace
+  {
+    auto handle_page_fault(kapi::cpu::exception const & context) -> bool
+    {
+      kstd::println(kstd::print_sink::stderr, "\tFault address: {:#018x}", context.access_address);
+      kstd::println(kstd::print_sink::stderr, "\tPresent: {}", context.is_present);
+      kstd::println(kstd::print_sink::stderr, "\tWrite: {}", context.is_write_access);
+      kstd::println(kstd::print_sink::stderr, "\tUser: {}", context.is_user_mode);
+
+      kapi::system::panic("Halting the system due to an unrecoverable page fault.");
+    }
+  }  // namespace
+
+  auto dispatch(exception const & context) -> bool
+  {
+    kstd::println(kstd::print_sink::stderr, "[OS:CPU] {} @ {:#018x}", context.type, context.instruction_pointer);
+    switch (context.type)
+    {
+      case kapi::cpu::exception::type::page_fault:
+        return handle_page_fault(context);
+      default:
+        return false;
+    }
+  }
+
+}  // namespace kapi::cpu
\ No newline at end of file