kernel: gdt: Use macro for packed attribute

2 files changed, 5 insertions, 2 deletions

diff --git a/kernel/include/boot/gdt.h b/kernel/include/boot/gdt.h
index 316c359..a32bce6 100644
--- a/kernel/include/boot/gdt.h
+++ b/kernel/include/boot/gdt.h
@@ -21,6 +21,8 @@
 
 #include <stdint.h>
 
+#include <common.h>
+
 /* Access Flags:
  * 7 PRESENT
  * 6 PRIVILEGE
@@ -93,12 +95,12 @@ typedef struct {
   uint8_t access_flags;
   uint8_t flags_limit_high;
   uint8_t base_high;
-} __attribute__((packed)) GDT_entry;
+} PACKED GDT_entry;
 
 typedef struct {
   uint16_t limit; /* sizeof(GDT) - 1 */
   GDT_entry *ptr; /* Address of GDT */
-} __attribute__((packed)) GDT_descriptor;
+} PACKED GDT_descriptor;
 
 extern void _GDT_flush(GDT_descriptor *);
 void GDT_load(void);
diff --git a/kernel/include/common.h b/kernel/include/common.h
index cd60fdf..c0f34b5 100644
--- a/kernel/include/common.h
+++ b/kernel/include/common.h
@@ -20,6 +20,7 @@
 #define __common_h
 
 #define ALWAYS_INLINE __attribute__((always_inline)) inline
+#define PACKED __attribute__((packed))
 
 #define KiB 1024
 #define MiB (KiB * KiB)