Interrupt Dispatch and Handling (for first common vectors)

src/idt/idt.S

@@ -40,6 +40,7 @@ interrupt_stub:
     push rdx
     push rsi 
     push rdi
+    push rsp
     push rbp
     push r8
     push r9
@@ -65,6 +66,7 @@ interrupt_stub:
     pop r9
     pop r8
     pop rbp
+    pop rsp
     pop rdi
     pop rsi
     pop rdx

src/idt/idt.c

@@ -44,13 +44,14 @@ void idt_init()
         // Each vector handler is 16-byte aligned, so <vector_no>*16 = address of that handler
         idt_set_entry(i, vector_0_handler + (i*16), 0);
     }
+    idt_load(&idt);
+    serial_kputs("kernel: idt: Initialized IDT!\n");
 }
 
 struct cpu_status_t* interrupt_dispatch(struct cpu_status_t* context)
 {
     switch(context->vector_number)
     {
-        // TODO: add serial logs for all interrupts
         case 0:
             serial_kputs("kernel: idt: Divide Error!\n");
             break;

src/idt/idt.h

@@ -3,6 +3,8 @@
 
 #include <stdint.h>
 
+void idt_init();
+
 struct interrupt_descriptor
 {
     uint16_t address_low;
@@ -34,6 +36,7 @@ struct cpu_status_t
     uint64_t r9;
     uint64_t r8;
     uint64_t rbp;
+    uint64_t rsp;
     uint64_t rdi;
     uint64_t rsi;
     uint64_t rdx;