On Sat, Jan 19, 2013 at 05:32:08PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > > > > > + shutdown_barebox(); > > > > > + > > > > > + __asm__ __volatile__( > > > > > + "mov pc, %0\n" > > > > > + : > > > > > + : "r"(jump) > > > > > + :); > > > > > > > > Is this inline assemble needed? Why not > > > > > > > > void (*jump)(void); > > > > > > > > jump(); > > > jump can be NULL > > > > But that's not a reason for inline assembly. > except if use call we get a NULL exception You won't get a NULL pointer exception when the MMU is disabled (which is the case after shutdown_basebox()), no matter which method you choose to jump to 0x0. 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 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
