> From: Heinrich Schuchardt <xypron.g...@gmx.de> > Date: Tue, 12 Jun 2018 20:00:28 +0200 > > On 06/12/2018 07:27 PM, Mark Kettenis wrote: > > This series makes it possible to run EFI applications in non-secure > > mode. It allows me to run OpenBSD on the imx7d-pico-pi board while > > using the PSCI implementation provided by U-Boot. > > > > Mark Kettenis (3): > > ARM: HYP/non-sec: save and restore stack > > efi_loader: ARM: run EFI payloads non-secure > > Revert "efi_loader: no support for ARMV7_NONSEC=y" > > > > arch/arm/cpu/armv7/nonsec_virt.S | 6 ++++-- > > cmd/bootefi.c | 32 ++++++++++++++++++++++++++++++++ > > doc/README.uefi | 2 -- > > lib/efi_loader/Kconfig | 2 -- > > 4 files changed, 36 insertions(+), 6 deletions(-) > > > > This is the output I got with your patches when trying to boot my BananaPi: > > => bootefi hello > Scanning disk m...@01c0f000.blk... > Found 3 disks > WARNING: booting without device tree > ## Starting EFI application at 42000000 ... > WARNING: using memory device/image path, this may confuse some payloads! > > U-Boot SPL 2018.07-rc1-D001-00104-g5b859da7ca8 (Jun 12 2018 - 19:52:34 > +0200) > DRAM:
I could reproduce that. For some reason r3 gets clobbered and we still end up with a broken stack. Posted v2 that simply migrates SP_svc to SP_hyp. That seems to work on both imx7 and sun7i. _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
