On 15:13 Mon 02 Jan , Sascha Hauer wrote: > On Sun, Jan 01, 2012 at 05:37:17AM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > > On 15:52 Sat 17 Dec , Sascha Hauer wrote: > > > Traditionally U-Boot and barebox have the exception vectors at > > > the start of the binary. There is no real reason in doing so, > > > because in the majority of cases this data will not be at 0x0 > > > where it could be used as vectors directly anyway. > > > This patch puts the vectors into a separate linker section and > > > defines an head function which is placed at the start of the > > > image instead. Putting this in a separate function also has > > > the advantage that it can be placed at the start of images > > > which require an additional header like several Freescale i.MX > > > images. As the head function contains the barebox arm magic > > > those images can now also be detected aas barebox images. > > > > > > Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> > > > --- > > I've to make it optionnal as on AT91 for boot we must have it at the bigeniing > > of the binary > > Instead of this: > > "b reset\n" > ".rept 7\n" > ".word 0x0\n" > ".endr\n" > > we could do this: > > "b reset\n" > ".rept 7\n" > "1: b 1b\n" > ".endr\n" > > This looks like a exception vector table for the at91 bootloader. BTW > I just looked at a at91 datasheet and at least on the at91sam9260 the > sixth vector should contain the image size to copy. So maybe this does > not work on at91 anyway? I'm working on it so please hold on this Best Regards, J. _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
