[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] undefined instruction error during HYP mode switch for arndale-octa board
Hello Andre,
I am trying to port xen to arndale-octa board. I am using u-boot modified for arndale-octa from tracking-arndale_octa branch of http://landing-teams/working/samsung/u-boot.gitÂ
Because there is no HYP mode switch code in the u-boot, I tried to port your code inÂhttp://git.linaro.org/git/people/andre.przywara/u-boot.git.
I also put debug code. In booting, it reboot infinitely with following error message: ======================  Âswitch_hyp: GIC dist enabled  switch_hyp: 224 interrupts supportd
 switch_hyp: all interrupts switched to non-secure  switch_hyp: setting SP start start address (0x9f86d6b4)  switch_hyp: kicked all CPUs  VBAR before: 0x9f86c000 undefined instruction
pc : [<9f86d748>]     Âlr : [<9f86d600>] sp : 9f7638c0 Âip : 0000000f   fp : 9f86e4b4 r10: 9f8ad294 Âr9 : 00000000   r8 : 9f763f10 r7 : 00000000 Âr6 : ffffffff   r5 : 00000007 Âr4 : 9f86c000
r3 : 10482000 Âr2 : 10480000   r1 : 016e3600 Âr0 : 00010000 Flags: nZCv ÂIRQs off ÂFIQs off ÂMode SVC_32 Resetting CPU ... ======================== The problematic code is "mcr   p15, 0, r1, c1, c1, 2"
in arch/arm/cpu/armv7/nonsec_virt.S , nonsec_init function Do you have any idea about this error? Regards, Hyonyoung Choi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
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