diff --git a/src/bootloader_bios_disk.asm b/src/bootloader_bios_disk.asm
index e69de29..47fb5f3 100644
--- a/src/bootloader_bios_disk.asm
+++ b/src/bootloader_bios_disk.asm
@@ -0,0 +1,2 @@
+disk_read:
+	pusha