add llm suggestion to idt creation

1 files changed, 16 insertions, 13 deletions

diff --git a/arch/x86_64/src/context_switching/interrupt_descriptor_table/interrupt_descriptor_table.cpp b/arch/x86_64/src/context_switching/interrupt_descriptor_table/interrupt_descriptor_table.cpp
index 8bcce65..0555e4c 100644
--- a/arch/x86_64/src/context_switching/interrupt_descriptor_table/interrupt_descriptor_table.cpp
+++ b/arch/x86_64/src/context_switching/interrupt_descriptor_table/interrupt_descriptor_table.cpp
@@ -9,19 +9,22 @@ namespace teachos::arch::context_switching::interrupt_descriptor_table
   {
     auto create_interrupt_descriptor_table() -> interrupt_descriptor_table
     {
-      // TODO: Fix offset and ist and selector index
-      uint64_t const offset = 0x0;
-      segment_selector const selector{0U, segment_selector::REQUEST_LEVEL_KERNEL};
-      ist_offset const ist{0U};
-      idt_flags const flags{idt_flags::DESCRIPTOR_LEVEL_KERNEL | idt_flags::INTERRUPT_GATE};
-      gate_descriptor const interrupt_gate{selector, ist, flags, offset};
-
-      segment_selector const selector{0U, segment_selector::REQUEST_LEVEL_KERNEL};
-      ist_offset const ist{0U};
-      idt_flags const flags{idt_flags::DESCRIPTOR_LEVEL_KERNEL | idt_flags::TRAP_GATE};
-      gate_descriptor const trap_gate{selector, ist, flags, offset};
-
-      return interrupt_descriptor_table{interrupt_gate, trap_gate};
+      interrupt_descriptor_table idt{};
+
+      // Define basic exception handlers (at least for CPU exceptions 0x00-0x1F)
+      for (uint8_t vector = 0; vector < 32; ++vector)
+      {
+        uint64_t offset = reinterpret_cast<uint64_t>(default_exception_handler);  // Use a real handler function
+        segment_selector selector{0U, segment_selector::REQUEST_LEVEL_KERNEL};
+        ist_offset ist{0U};  // Default stack offset (can be updated for IST)
+        idt_flags flags{idt_flags::DESCRIPTOR_LEVEL_KERNEL | idt_flags::TRAP_GATE};
+
+        idt.push_back(gate_descriptor{selector, ist, flags, offset});
+      }
+
+      // Additional entries for hardware interrupts (IRQs) and syscalls can be added here
+
+      return idt;
     }
   }  // namespace