On 13:07 Mon 23 Jan , Sascha Hauer wrote: > On Mon, Jan 02, 2012 at 04:09:01PM +0100, Jean-Christophe PLAGNIOL-VILLARD wrote: > > 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 > > ping. I'd really like to merge the remaining thumb2 support pieces. I've issue on it I try to send a version this week sorry but here its chinese new year Best Regards, J. _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
