X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8fdcd1575a97862975fa019f09c00453a2a7d8bb..fac3bbf2b2634f4f15cb33ece3acfa39db1433df:/lunaix-os/includes/lunaix/common.h

diff --git a/lunaix-os/includes/lunaix/common.h b/lunaix-os/includes/lunaix/common.h
index fe0c0bc..d341daa 100644
--- a/lunaix-os/includes/lunaix/common.h
+++ b/lunaix-os/includes/lunaix/common.h
@@ -20,10 +20,6 @@
 #define VGA_BUFFER_PADDR 0xB8000
 #define VGA_BUFFER_SIZE 4096
 
-#define MMIO_BASE (VGA_BUFFER_VADDR + MEM_4MB)
-#define MMIO_APIC (MMIO_BASE)
-#define MMIO_IOAPIC (MMIO_BASE + 4096)
-
 #define KCODE_SEG 0x08
 #define KDATA_SEG 0x10
 #define UCODE_SEG 0x1B
@@ -52,7 +48,7 @@
 #define container_of(ptr, type, member)                                        \
     ({                                                                         \
         const typeof(((type*)0)->member)* __mptr = (ptr);                      \
-        (type*)((char*)__mptr - offsetof(type, member));                       \
+        (ptr) ? (type*)((char*)__mptr - offsetof(type, member)) : 0;           \
     })
 
 #endif