fix usermode interrupts. add ability to define custom interrupt handlersmain

1 files changed, 13 insertions, 3 deletions

diff --git a/arch/x86_64/idt.c b/arch/x86_64/idt.c
index 1080f92..2eebf41 100644
--- a/arch/x86_64/idt.c
+++ b/arch/x86_64/idt.c
@@ -1,12 +1,20 @@
 #include "arch/x86_64/tables.h"
 #include "arch/x86_64/idt.h"
+#include "print.h"
 
 __attribute__((aligned(0x10)))
-interrupt_gate_t s_idtd[256];
+static interrupt_gate_t s_idtd[256];
+
+kernel_isr_handler_t kernel_isr_handles[256];
 
 void
 isr_handle(ivt_state_t* state)
 {
+    kernel_isr_handler_t kernel_handle = kernel_isr_handles[state->num];
+    if(kernel_handle) {
+        kernel_handle(state);
+        return;
+    }
     kpanic_state(state, "Unhandled interrupt %i", state->num);
 }
 
@@ -34,6 +42,8 @@ idt_setup(processor_t *processor)
     processor->idtr.base = (uintptr_t)&s_idtd;
     processor->idtr.length = sizeof(s_idtd) - 1;
     
-    extern void idt_load(void* idtr);
-    idt_load(&processor->idtr);
+    klogf("%X\n", s_idtd[0].type_flags);
+
+    __asm__ volatile("lidt %0":: "m"(processor->idtr));
+    __asm__ volatile("cli");
 }