Hi Simon, Am Mittwoch, den 30.11.2016, 19:20 -0700 schrieb Simon Glass: > Hi Markus, > > On 30 November 2016 at 04:32, Markus Valentin <m...@denx.de> wrote: > > > > Hi, > > > > im trying to run u-boot as uefi-payload for qemu this works totally > > fine. > > > > My real target is a Minnowboard Turbot. I did use the > > minnowmax_defconfig enabled CONFIG_EFI, CONFIG_EFI_STUB and > > CONFIG_EFI_STUB_64BIT. The Board has the latest uefi by Intel > > installed(0.93, X64). > > > > When i load U-Boot as payload for the board-uefi the efi_main > > function > > gets executed but the call to "cpu_call32" seems to get stuck ( i > > think > > its at the "retf" arch/x86/cpu/call32.S:37). > > > > Debuglog: > > > > Shell> u-boot-payload_64.efi > > U-Boot EFI Payload > > gdt: 00000047, addr: 00000000784fd570 > > 00: 00000000 00000000 > > 08: 00cf9200 0000ffff > > 10: 00af9a00 0000ffff > > 18: 00cf9300 0000ffff > > 20: 00cf9a00 0000ffff > > 28: 00000000 00000000 > > 30: 00cf9200 0000ffff > > 38: 00af9b00 0000ffff > > 40: 00000000 00000000 > > 32-bit code segment: 20 > > page_table: 79313000 > > EFI table at 78787018 size 00000760 > > > > Does anyone have experiences with this issue or with running u-boot > > as > > uefi-64 payload at all? > > I have used this on the original Minnowboard and it is used on some > broadwell platforms. Great so i should be able to get it working too. > > I did hit a similar problem due to the 'ret' not generating the right > instruction. I thought it was fixed but I suppose it is not > impossible > that the gcc toolchains might generate different op codes in > different > situations. > > Which toolchain are you using? Im using the gcc6 from Debian/testing,(6.2.0-13) and glibc6 2.24-5.
Can you suggest a Toolchain? Mine is probably too "current"? Regards Markus -- DENX Software Engineering GmbH, Managing Director: Wolfgang Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-60 Fax: (+49)-8142-66989-80 Email: m...@denx.de _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
