moved installs to c files

src/dt.asm

-section .text
-	global idt_install
-idt_install:
-	mov eax, [esp+4]
-	lidt [eax]
-	ret
-
-	global gdt_install
-gdt_install:
-	mov eax, [esp+4]
-	lgdt [eax]
-	ret

src/gdt.c

 #include "gdt.h"
 #include "string.h"
-typedef struct{
-  uint16_t limit;
-  uint32_t base;
-}__attribute__((packed)) gdtr;
 
-static gdt_desc _gdt [MAX_GDT_DESC];
-static gdtr _gdtr;
+uint16_t gdt_limit;
+uint32_t gdt_base;
 
-extern void gdt_install(gdtr _gdtr);
+static gdt_desc _gdt [MAX_GDT_DESC];
 
-void gdt_set_desc(uint32_t i, uint64_t base, uint64_t limit, uint8_t access, uint8_t gran)
-{
+static void gdt_install(){
+  struct{
+    uint16_t limit;
+    uint32_t base;
+  }__attribute__((packed)) gdtr;
+  gdtr.limit = gdt_limit;
+  gdtr.base = gdt_base;
+  asm volatile ("lgdt (%0)": :"r"(&gdtr));
+}
+void gdt_set_desc(uint32_t i, uint64_t base, uint64_t limit, uint8_t access, uint8_t gran){
   if (i > MAX_GDT_DESC)
     return;
   memset ((void*)&_gdt[i], 0, sizeof (gdt_desc));
@@ -32,14 +36,14 @@ gdt_desc* gdt_get_desc (int i) {
   return &_gdt[i];
 }
 int gdt_init() {
-  _gdtr.limit = (sizeof (gdt_desc) * MAX_GDT_DESC)-1;
-  _gdtr.base = (uint32_t)&_gdt[0];
+  gdt_limit = (sizeof (gdt_desc) * MAX_GDT_DESC)-1;
+  gdt_base = (uint32_t)&_gdt[0];
   //null
   gdt_set_desc(0, 0, 0, 0, 0);
   //code
   gdt_set_desc(1,0,0xffffffff, GDT_RW|GDT_EXE|GDT_CDT|GDT_MEM, GDT_GR_PG|GDT_GR_32|GDT_GR_HI);
   //data
   gdt_set_desc(2,0,0xffffffff, GDT_RW|GDT_CDT|GDT_MEM, GDT_GR_PG|GDT_GR_32|GDT_GR_HI);
-  gdt_install(_gdtr);  
+  gdt_install();
   return 0;
 }

src/idt.c

 #include "idt.h"
 #include "string.h"
-typedef struct{
-  uint16_t limit;
-  uint32_t base;
-} __attribute__((packed)) idtr;
+#include "serial.h"
+
+uint16_t idt_limit;
+uint32_t idt_base;
 
 static idt_desc _idt [MAX_IDT_INT];
-static idtr _idtr;
 
-extern void idt_install(idtr _idtr);
+static void idt_install(){
+  struct{
+    uint16_t limit;
+    uint32_t base;
+  } __attribute__((packed)) idtr;
+  idtr.limit = idt_limit;
+  idtr.base = idt_base;
+  asm volatile ("lidt (%0)": :"r"(&idtr));
+}
+
 static void default_handler () {
   //DEBUG OUTPUT MAYBE?
+  serial_writestring("int caught\n");
   for(;;);
 }
 
@@ -24,7 +33,7 @@ int install_ir (uint32_t i, uint16_t flags, uint16_t code_sel, IRQ_HANDLER irq)
     return 0;
   if (!irq)
     return 0;
-  uint64_t uiBase = (uint64_t)&(*irq);
+  uint64_t uiBase = (uintptr_t)(&(*irq));
   _idt[i].low_base  = (uint16_t)(uiBase & 0xffff);
   _idt[i].high_base = (uint16_t)((uiBase >> 16) & 0xffff);
   _idt[i].reserved  = 0;
@@ -33,11 +42,11 @@ int install_ir (uint32_t i, uint16_t flags, uint16_t code_sel, IRQ_HANDLER irq)
   return 0;
 }
 int idt_init (uint16_t code_sel) {
-  _idtr.limit = sizeof (idt_desc) * MAX_IDT_INT -1;
-  _idtr.base  = (uint32_t)&_idt[0];
+  idt_limit = sizeof (idt_desc) * MAX_IDT_INT -1;
+  idt_base  = (uint32_t)&_idt[0];
   memset ((void*)&_idt[0], 0, sizeof (idt_desc) * MAX_IDT_INT-1);
   for (int i=0; i<MAX_IDT_INT; i++)
     install_ir (i, IDT_PR|IDT_32,code_sel,(IRQ_HANDLER)default_handler);
-  idt_install (_idtr);
+  idt_install ();
   return 0;
 }