On Tuesday 22 November 2011 21:16:50 Macpaul Lin wrote: > 2011/11/19 Mike Frysinger <vap...@gentoo.org> > > > +.globl turnoff_watchdog > > > +turnoff_watchdog: > > > + > > > > can't this be C code ? > > This is because after reset, the watchdog might be enabled if there is > another boot loader has ran before u-boot. > If the other boot loader enabled watchdog but didn't stop it, > it might cause u-boot to be reset during assembly initialization phase. > So we need to disable watchdog here.
my point is, why can't turnoff_watchdog() be written in C ? why does this func need to be written in assembly ? looking at the start.S, seems like there's a bit of logic there that should be in C and not a lot of asm. *shrug* too late now i guess. -mike
signature.asc
Description: This is a digitally signed message part.
_______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
