Upgrade VMM for processes

src/arch/x86/idt.S

@@ -32,6 +32,8 @@ global vector_19_handler
 global vector_20_handler
 global vector_21_handler
 
+global vector_128_handler
+
 interrupt_stub:
     ; We'll push all general-purpose registers to the stack,
     ; so they're intact and don't bother the code that was
@@ -312,4 +314,11 @@ align 16
 vector_33_handler:
     push qword 0
     push qword 33
+    jmp interrupt_stub
+
+; Syscall Interrupt (0x80)
+align 16
+vector_128_handler:
+    push qword 0
+    push qword 128
     jmp interrupt_stub

src/arch/x86/idt.c

@@ -21,6 +21,8 @@ struct idtr idt_reg;
 // Address to our first interrupt handler
 extern char vector_0_handler[];
 
+extern char vector_128_handler[];
+
 // Timer ticks
 extern volatile uint64_t ticks;
 
@@ -75,7 +77,7 @@ void idt_init()
         idt_set_entry(i, vector_0_handler + (i*16), 0);
     }
 
-    idt_set_entry(0x80, syscall_handler, 0);
+    idt_set_entry(0x80, vector_128_handler, 0);
 
     idt_load(&idt);
     DEBUG("IDT initialized");
@@ -273,6 +275,10 @@ struct cpu_status_t* interrupt_dispatch(struct cpu_status_t* context)
             //process_create("keyboard-initiated", kbdproc_main, NULL); // DEBUG
             outb(0x20, 0x20);
             break;
+        
+        case 128: // Syscall Interrupt (0x80)
+            syscall_handler(context);
+            break;
 
         default:
             DEBUG("Unexpected Interrupt");