Hi Marc, On Sat, 7 Dec 2013 11:19:12 +0000, Marc Zyngier <[email protected]> wrote:
> The current non-sec switching code suffers from one major issue: > it cannot run in secure RAM, as a large part of u-boot still needs > to be run while we're switched to non-secure. > > This patch reworks the whole HYP/non-secure strategy by: > - making sure the secure code is the *last* thing u-boot executes > before entering the payload > - performing an exception return from secure mode directly into > the payload > - allowing the code to be dynamically relocated to secure RAM > before switching to non-secure. > > This involves quite a bit of horrible code, specially as u-boot > relocation is quite primitive. > > Signed-off-by: Marc Zyngier <[email protected]> > --- > arch/arm/cpu/armv7/nonsec_virt.S | 161 > +++++++++++++++++++-------------------- > arch/arm/cpu/armv7/virt-v7.c | 59 +++++--------- > arch/arm/include/asm/armv7.h | 10 ++- > arch/arm/include/asm/secure.h | 26 +++++++ > arch/arm/lib/bootm.c | 21 ++--- > 5 files changed, 136 insertions(+), 141 deletions(-) > create mode 100644 arch/arm/include/asm/secure.h It seems like patch 07/13 does not apply properly on top of current ARM. Can you have a look? If a rebased V3 is needed, you can remove patch 01 from the list (or if it is simpler to you, keep it in and I'll just ignore it when applying). Amicalement, -- Albert. _______________________________________________ U-Boot mailing list [email protected] http://lists.denx.de/mailman/listinfo/u-boot
