On Sat, Mar 24, 2018 at 12:14:16AM +0100, Lucas Stach wrote: > This adds routines to add hyp mode vectors and switch back to HYP > mode from SVC. This is needed in both the PBL and Barebox proper. > > Signed-off-by: Lucas Stach <l.stach@xxxxxxxxxxxxxx> > --- > arch/arm/cpu/Makefile | 4 ++ > arch/arm/cpu/hyp.S | 115 ++++++++++++++++++++++++++++++++++++++++++ > arch/arm/cpu/sm_as.S | 11 ---- > arch/arm/include/asm/secure.h | 8 +++ > 4 files changed, 127 insertions(+), 11 deletions(-) > create mode 100644 arch/arm/cpu/hyp.S > > diff --git a/arch/arm/cpu/Makefile b/arch/arm/cpu/Makefile > index 13fe12c31f6f..f86dff975bb4 100644 > --- a/arch/arm/cpu/Makefile > +++ b/arch/arm/cpu/Makefile > @@ -9,6 +9,10 @@ obj-$(CONFIG_ARM_EXCEPTIONS) += exceptions.o > obj-$(CONFIG_MMU) += mmu.o mmu-early.o > pbl-$(CONFIG_MMU) += mmu-early.o > lwl-y += lowlevel.o > +obj-y += hyp.o > +AFLAGS_hyp.o :=-Wa,-march=armv7-a -Wa,-mcpu=all > +pbl-y += hyp.o > +AFLAGS_pbl-hyp.o :=-Wa,-march=armv7-a -Wa,-mcpu=all > endif > > obj-$(CONFIG_ARM_EXCEPTIONS) += interrupts.o > diff --git a/arch/arm/cpu/hyp.S b/arch/arm/cpu/hyp.S > new file mode 100644 > index 000000000000..435d416f980a > --- /dev/null > +++ b/arch/arm/cpu/hyp.S > @@ -0,0 +1,115 @@ > +#include <linux/linkage.h> > +#include <asm/system.h> > +#include <asm/opcodes-virt.h> > + > +.arch_extension sec > +.arch_extension virt > + > +.section ".text_bare_init_","ax" Here you could use __BARE_INIT - from init.h Sam _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
