diff --git a/arch/x86/kernel/entry64.asm b/arch/x86/kernel/entry64.asm
index 357950cd..00b3697f 100644
--- a/arch/x86/kernel/entry64.asm
+++ b/arch/x86/kernel/entry64.asm
@@ -256,6 +256,16 @@ La:
     or ebx, 0x00000013
     mov DWORD [edi], ebx
 
+    ; map mp_config
+    mov edi, [eax+4]
+    and edi, 0xFFFFF000
+    shr edi, 9   ; (edi >> 12) * 8
+    add edi, boot_pt
+    mov ebx, [eax+4]
+    and ebx, 0xFFFFF000
+    or ebx, 0x00000013
+    mov DWORD [edi], ebx
+
 Lb:
     mov edi, kernel_start
     shr edi, 9   ; (kernel_start >> 12) * 8