First Hello world syscall

kernel/amd64/init.c

@@ -1,3 +1,4 @@
+#include <amd64/gdt.h>
 #include <amd64/init.h>
 #include <amd64/intr.h>
 #include <amd64/smp.h>
@@ -5,12 +6,6 @@
 #include <libk/std.h>
 #include <libk/string.h>
 
-#define GDT_KCODE 0x08
-#define GDT_KDATA 0x10
-#define GDT_UCODE 0x18
-#define GDT_UDATA 0x20
-#define GDT_TSS   0x28
-
 #define TSS         0x80
 #define TSS_PRESENT 0x89
 
@@ -70,6 +65,8 @@ static void amd64_gdt_init (struct cpu* cpu) {
                     "movw %%ax, %%ds\n"
                     "movw %%ax, %%es\n"
                     "movw %%ax, %%ss\n"
+                    "movw %%ax, %%fs\n"
+                    "movw %%ax, %%gs\n"
                     :
                     : [kcode] "i"(GDT_KCODE), [kdata] "i"(GDT_KDATA)
                     : "rax", "memory");