From mboxrd@z Thu Jan 1 00:00:00 1970 From: s.hauer@pengutronix.de (Sascha Hauer) Date: Thu, 3 Mar 2011 15:01:38 +0100 Subject: Compiling a kernel for armv5 + armv6 In-Reply-To: References: <20110303132056.GB18351@pengutronix.de> Message-ID: <20110303140138.GP29521@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Thu, Mar 03, 2011 at 03:50:26PM +0200, saeed bishara wrote: > On Thu, Mar 3, 2011 at 3:20 PM, Sascha Hauer wrote: > > Doing so currently breaks with: > > > > arch/arm/kernel/entry-armv.S: Assembler messages: > > arch/arm/kernel/entry-armv.S:196: Error: selected processor does not support `strex r1,r2,[sp]' > > arch/arm/kernel/entry-armv.S:228: Error: selected processor does not support `strex r1,r2,[sp]' > > arch/arm/kernel/entry-armv.S:286: Error: selected processor does not support `strex r1,r2,[sp]' > > arch/arm/kernel/entry-armv.S:323: Error: selected processor does not support `strex r1,r2,[sp]' > > > > These are used in svc_exit and restore_user_regs. > > > > Is there a way to fix this or do we have to live with this? > try to add this line to the Makefile > AFLAGS_entry-armv.o :=-Wa,-march=armv6k This surely keeps the compiler happy, but I doubt the result will work on an armv5 processor. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 |