Re: Armv8-A: Not able to enable secondary CPUs in Hikey960 board

From: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
To: Omkar Bolla <omkar.bolla@pathpartnertech.com>
Cc: xen-devel@lists.xenproject.org
Subject: Re: Armv8-A: Not able to enable secondary CPUs in Hikey960 board
Date: Sat, 11 Aug 2018 13:06:26 -0400	[thread overview]
Message-ID: <20180811170626.GB20295@char.us.oracle.com> (raw)
In-Reply-To: <CAC4nxbsJss__sbvs5fKEW1RZAiyC8KNvV3HMPM88v4HmBwO+ZA@mail.gmail.com>

On Sat, Aug 11, 2018 at 08:44:42PM +0530, Omkar Bolla wrote:
> Hi,
> 
> I am using Hikey960 board and i started trying to port xen on hykey960.
> 
> I followed all procedure has given in
> https://wiki.xenproject.org/wiki/HiKey960 link.
> And using *Xen version 4.11.1-pre *and linux as mentioned in above link.
> 
> But, After flashing, I ended up with secondary CPUs errors and linux Dom0
> errors.
> Please give some suggestions to start xen with all CPUs.

Oh that is weird. What happens if you use an older Xen release?

> 
> Please check below log:
> --------------------------------
>  Using modules provided by bootloader in FDT
> Xen 4.11.1-pre (c/s Mon Jul 30 11:30:09 2018 +0200 git:33ced72) EFI loader
>  Xen 4.11.1-pre
> (XEN) Xen version 4.11.1-pre (omkar.bolla@) (aarch64-linux-gnu-gcc (Linaro
> GCC 7.1-2017.05) 7.1.1 20170510) debug=n  Sat Aug 11 20:35:10 IST 201
> 8
> (XEN) Latest ChangeSet: Mon Jul 30 11:30:09 2018 +0200 git:33ced72
> (XEN) Processor: 410fd034: "ARM Limited", variant: 0x0, part 0xd03, rev 0x4
> (XEN) 64-bit Execution:
> (XEN)   Processor Features: 0000000000002222 0000000000000000
> (XEN)     Exception Levels: EL3:64+32 EL2:64+32 EL1:64+32 EL0:64+32
> (XEN)     Extensions: FloatingPoint AdvancedSIMD
> (XEN)   Debug Features: 0000000010305106 0000000000000000
> (XEN)   Auxiliary Features: 0000000000000000 0000000000000000
> (XEN)   Memory Model Features: 0000000000001122 0000000000000000
> (XEN)   ISA Features:  0000000000011120 0000000000000000
> (XEN) 32-bit Execution:
> (XEN)   Processor Features: 00000131:00011011
> (XEN)     Instruction Sets: AArch32 A32 Thumb Thumb-2 Jazelle
> (XEN)     Extensions: GenericTimer Security
> (XEN)   Debug Features: 03010066
> (XEN)   Auxiliary Features: 00000000
> (XEN)   Memory Model Features: 10201105 40000000 01260000 02102211
> (XEN)  ISA Features: 02101110 13112111 21232042 01112131 00011142 00011121
> (XEN) Using SMC Calling Convention v1.1
> (XEN) Using PSCI v1.1
> (XEN) SMP: Allowing 8 CPUs
> (XEN) Generic Timer IRQ: phys=30 hyp=26 virt=27 Freq: 1920 KHz
> (XEN) GICv2 initialization:
> (XEN)         gic_dist_addr=00000000e82b1000
> (XEN)         gic_cpu_addr=00000000e82b2000
> (XEN)         gic_hyp_addr=00000000e82b4000
> (XEN)         gic_vcpu_addr=00000000e82b6000
> (XEN)         gic_maintenance_irq=25
> (XEN) GICv2: 384 lines, 8 cpus, secure (IID 0200143b).
> (XEN) Using scheduler: SMP Credit Scheduler (credit)
> (XEN) Allocated console ring of 64 KiB.
> (XEN) Bringing up CPU1
> (XEN) Failed to bring up CPU1
> (XEN) Failed to bring up CPU 1 (error -9)
..

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