Moved interrupt code to separate file.

Added new source file to Makefile.am

src/Makefile.am

@@ -8,6 +8,7 @@ if x86
 quark_kernel_SOURCES += x86/mmgr.c \
                         x86/putc.c \
                         x86/multiboot2.c \
+                        x86/interrupts.c \
                         x86/isr.c \
                         x86/quark_x86.c \
                         x86/entry.S 

src/x86/interrupts.c

@@ -0,0 +1,29 @@
+#include "interrupts.h"
+
+struct idt_info_t
+{
+    uint16_t size;
+    void *location;
+};
+
+void lidt(struct interrupt_descriptor_t *idt)
+{
+    struct idt_info_t idt_info;
+    idt_info.size = sizeof(idt) - 1;
+    idt_info.location = (void *)&idt;
+    asm("lidt (%0)"
+        :
+        : "r"(&idt_info));
+}
+
+void create_interrupt_descriptor(struct interrupt_descriptor_t *descriptor, void *isr, enum isr_type_t type, uint32_t privilage)
+{
+    descriptor->offset_1 = (uint32_t) isr & 0xFFFF;
+    descriptor->offset_2 = (uint32_t) isr >> 16;
+    descriptor->selector = 8;
+    descriptor->zero = 0;
+    descriptor->type = type;
+    descriptor->storage = 0;
+    descriptor->dpl = privilage;
+    descriptor->present = 1;
+}

src/x86/interrupts.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <stdint.h>
+
+enum isr_type_t
+{
+    INTERRPUT_TASK32 = 5,
+    INTERRPUT_TRAP32 = 15,
+    INTERRPUT_INT32 = 14,
+    INTERRPUT_TRAP16 = 7,
+    INTERRPUT_INT16 = 6
+};
+
+struct interrupt_descriptor_t
+{
+    uint16_t offset_1;
+    uint16_t selector;
+    uint16_t zero : 8;
+    uint16_t type : 4;
+    uint16_t storage : 1;
+    uint16_t dpl : 2;
+    uint16_t present : 1;
+    uint16_t offset_2;
+};
+
+void lidt(struct interrupt_descriptor_t *idt);
+
+void create_interrupt_descriptor(struct interrupt_descriptor_t *descriptor, void *isr, enum isr_type_t type, uint32_t privilage);

src/x86/quark_x86.c

@@ -2,51 +2,14 @@
 #include "pageallocator.h"
 #include "multiboot2.h"
 #include "memorymap.h"
+#include "interrupts.h"
 #include "stdio.h"
-#include "string.h"
 #include "module.h"
 #include <stdint.h>
 #include <stddef.h>
 
-enum isr_type_t
-{
-    INTERRPUT_TASK32 = 5,
-    INTERRPUT_TRAP32 = 15,
-    INTERRPUT_INT32 = 14,
-    INTERRPUT_TRAP16 = 7,
-    INTERRPUT_INT16 = 6
-};
-
-struct interrupt_descriptor_t
-{
-    uint16_t m_offset1;
-    uint16_t m_selector;
-    uint16_t m_zero : 8;
-    uint16_t m_type : 4;
-    uint16_t m_storage : 1;
-    uint16_t m_dpl : 2;
-    uint16_t m_present : 1;
-    uint16_t m_offset2;
-};
-
-struct idt_info_t
-{
-    uint16_t size;
-    void *location;
-};
-
 extern int _kernelEnd;
 
-void lidt(struct interrupt_descriptor_t *idt)
-{
-    struct idt_info_t idt_info;
-    idt_info.size = sizeof(idt) - 1;
-    idt_info.location = (void *)&idt;
-    asm("lidt (%0)"
-        :
-        : "r"(&idt_info));
-}
-
 int startPaging(uint32_t *directory, uint32_t *table, uint32_t *identityTable)
 {
     for (int i = 0; i < 1024; i++)
@@ -106,6 +69,6 @@ int initialize(void *multiboot_info)
         load_module(&kernel, &boot_info.modules[i]);
     }
     // TODO: setup IDT
-
+    
     // TODO: enter first process
 }