Blackfin: change the BUG opcode to an unused 16-bit opcode
authorRobin Getz <robin.getz@analog.com>
Tue, 23 Mar 2010 17:27:41 +0000 (17:27 +0000)
committerMike Frysinger <vapier@gentoo.org>
Sat, 22 May 2010 18:19:04 +0000 (14:19 -0400)
The current BUG opcode includes the bit that flags the insn as a 32bit
opcode, but it wasn't declaring it as 32bits.  So pick an unused 16bit.

URL: http://blackfin.uclinux.org/gf/tracker/5973
Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
arch/blackfin/include/asm/bug.h

index 75f6dc336d46d4b13e04a42bf8facb44ea79a49f..8d9b1eba89c48ad57a1437c0e19716082266cc69 100644 (file)
@@ -9,7 +9,12 @@
 
 #ifdef CONFIG_BUG
 
-#define BFIN_BUG_OPCODE        0xefcd
+/*
+ * This can be any undefined 16-bit opcode, meaning
+ * ((opcode & 0xc000) != 0xc000)
+ * Anything from 0x0001 to 0x000A (inclusive) will work
+ */
+#define BFIN_BUG_OPCODE        0x0001
 
 #ifdef CONFIG_DEBUG_BUGVERBOSE