-#define BFLAG_DMACODE_MASK 0x0000000F
-#define BFLAG_SAFE 0x00000010
-#define BFLAG_AUX 0x00000020
-#define BFLAG_FILL 0x00000100
-#define BFLAG_QUICKBOOT 0x00000200
-#define BFLAG_CALLBACK 0x00000400
-#define BFLAG_INIT 0x00000800
-#define BFLAG_IGNORE 0x00001000
-#define BFLAG_INDIRECT 0x00002000
-#define BFLAG_FIRST 0x00004000
-#define BFLAG_FINAL 0x00008000
-#define BFLAG_HOOK 0x00400000
-#define BFLAG_HDRINDIRECT 0x00800000
-#define BFLAG_TYPE_MASK 0x00300000
-#define BFLAG_TYPE_1 0x00000000
-#define BFLAG_TYPE_2 0x00100000
-#define BFLAG_TYPE_3 0x00200000
-#define BFLAG_TYPE_4 0x00300000
-#define BFLAG_FASTREAD 0x00400000
-#define BFLAG_NOAUTO 0x01000000
-#define BFLAG_PERIPHERAL 0x02000000
-#define BFLAG_SLAVE 0x04000000
-#define BFLAG_WAKEUP 0x08000000
-#define BFLAG_NEXTDXE 0x10000000
-#define BFLAG_RETURN 0x20000000
-#define BFLAG_RESET 0x40000000
-#define BFLAG_NONRESTORE 0x80000000
+#define BFLAG_DMACODE_MASK 0x0000000F
+#define BFLAG_SAFE 0x00000010
+#define BFLAG_AUX 0x00000020
+#define BFLAG_FILL 0x00000100
+#define BFLAG_QUICKBOOT 0x00000200
+#define BFLAG_CALLBACK 0x00000400
+#define BFLAG_INIT 0x00000800
+#define BFLAG_IGNORE 0x00001000
+#define BFLAG_INDIRECT 0x00002000
+#define BFLAG_FIRST 0x00004000
+#define BFLAG_FINAL 0x00008000
+#define BFLAG_HDRSIGN_MASK 0xFF000000
+#define BFLAG_HDRSIGN_SHIFT 24
+#define BFLAG_HDRSIGN_MAGIC 0xAD
+#define BFLAG_HDRCHK_MASK 0x00FF0000
+#define BFLAG_HDRCHK_SHIFT 16
+#define BFLAG_HOOK 0x00400000
+#define BFLAG_HDRINDIRECT 0x00800000
+#define BFLAG_TYPE_MASK 0x00300000
+#define BFLAG_TYPE_1 0x00000000
+#define BFLAG_TYPE_2 0x00100000
+#define BFLAG_TYPE_3 0x00200000
+#define BFLAG_TYPE_4 0x00300000
+#define BFLAG_FASTREAD 0x00400000
+#define BFLAG_NOAUTO 0x01000000
+#define BFLAG_PERIPHERAL 0x02000000
+#define BFLAG_SLAVE 0x04000000
+#define BFLAG_WAKEUP 0x08000000
+#define BFLAG_NEXTDXE 0x10000000
+#define BFLAG_RETURN 0x20000000
+#define BFLAG_RESET 0x40000000
+#define BFLAG_NONRESTORE 0x80000000