Re: Porting XEN hypervisor on iMX8QM

Re: Porting XEN hypervisor on iMX8QM

[Stefano Stabellini]

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Hi Ravi,

Please have a look at our wiki as a reference:
http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions

I would start from cross-compiling the Xen hypervisor (the xen/
directory), no need to build the Xen userspace tools initially.
Make sure to have the right early boot uart driver, see
CONFIG_EARLY_PRINTK and docs/misc/arm/early-printk.txt.

After you boot the Xen binary from uboot, you should be able to see some
console output from the hypervisror. The step after that is booting
Dom0.

Cheers,

Stefano

On Mon, 5 Nov 2018, Ravi Pichholiya wrote:
> Hi Stefano,
> This is in reference to our LinkedIn discussion, in our one of the project we need to port XEN hypervisor on iMx8QM.
> 
> Request you to share what all visibility we should require from boot prospective as currently we are having access to Device tree
> and U-boot source code only. Is access to any other files are also required?
> 
> Also some reference to start with the porting of XEN if available with you.
> 
> Thanks & Regards,
> Ravi Pichholiya
> 
> 

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Re: Porting XEN hypervisor on iMX8QM

[Julien Grall]

Hi,

I am CCing Peng Fan who is working for NXP and also on Xen. Peng, do you have 
any pointer to getting Xen running on iMX8QM?

Cheers,

On 06/11/2018 18:59, Stefano Stabellini wrote:
> Hi Ravi,
> 
> Please have a look at our wiki as a reference:
> http://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions
> 
> I would start from cross-compiling the Xen hypervisor (the xen/
> directory), no need to build the Xen userspace tools initially.
> Make sure to have the right early boot uart driver, see
> CONFIG_EARLY_PRINTK and docs/misc/arm/early-printk.txt.
> 
> After you boot the Xen binary from uboot, you should be able to see some
> console output from the hypervisror. The step after that is booting
> Dom0.
> 
> Cheers,
> 
> Stefano
> 
> On Mon, 5 Nov 2018, Ravi Pichholiya wrote:
>> Hi Stefano,
>> This is in reference to our LinkedIn discussion, in our one of the project we need to port XEN hypervisor on iMx8QM.
>>
>> Request you to share what all visibility we should require from boot prospective as currently we are having access to Device tree
>> and U-boot source code only. Is access to any other files are also required?
>>
>> Also some reference to start with the porting of XEN if available with you.
>>
>> Thanks & Regards,
>> Ravi Pichholiya
>>

-- 
Julien Grall

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Re: Porting XEN hypervisor on iMX8QM

[Peng Fan]

Hi Ravi,

You could find code here
https://source.codeaurora.org/external/imx/imx-xen/

The latest public branch should be https://source.codeaurora.org/external/imx/imx-xen/log/?h=imx_4.14.62_1.0.0_beta but this has not gone through test, you could take as reference. We have some new code still not public now. 

Regards,
Peng.
> -----Original Message-----
> From: Julien Grall [mailto:julien.grall@arm.com]
> Sent: 2018年11月7日 3:06
> To: Stefano Stabellini <sstabellini@kernel.org>; Ravi Pichholiya
> <pichholiyaravi@gmail.com>
> Cc: xen-devel@lists.xen.org; Peng Fan <peng.fan@nxp.com>
> Subject: Re: Porting XEN hypervisor on iMX8QM
> 
> Hi,
> 
> I am CCing Peng Fan who is working for NXP and also on Xen. Peng, do you have
> any pointer to getting Xen running on iMX8QM?
> 
> Cheers,
> 
> On 06/11/2018 18:59, Stefano Stabellini wrote:
> > Hi Ravi,
> >
> > Please have a look at our wiki as a reference:
> > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki
> > .xenproject.org%2Fwiki%2FXen_ARM_with_Virtualization_Extensions&amp;d
> a
> >
> ta=02%7C01%7Cpeng.fan%40nxp.com%7C29f2e7554eeb4239e2be08d6441ae9
> e7%7C6
> >
> 86ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636771279731653739&am
> p;sdata
> >
> =FLKtTp%2FaAk6B7Suv0vUttF04z%2BLo1Gw%2FmaI5p9RV%2BZE%3D&amp;re
> served=0
> >
> > I would start from cross-compiling the Xen hypervisor (the xen/
> > directory), no need to build the Xen userspace tools initially.
> > Make sure to have the right early boot uart driver, see
> > CONFIG_EARLY_PRINTK and docs/misc/arm/early-printk.txt.
> >
> > After you boot the Xen binary from uboot, you should be able to see
> > some console output from the hypervisror. The step after that is
> > booting Dom0.
> >
> > Cheers,
> >
> > Stefano
> >
> > On Mon, 5 Nov 2018, Ravi Pichholiya wrote:
> >> Hi Stefano,
> >> This is in reference to our LinkedIn discussion, in our one of the project we
> need to port XEN hypervisor on iMx8QM.
> >>
> >> Request you to share what all visibility we should require from boot
> >> prospective as currently we are having access to Device tree and U-boot
> source code only. Is access to any other files are also required?
> >>
> >> Also some reference to start with the porting of XEN if available with you.
> >>
> >> Thanks & Regards,
> >> Ravi Pichholiya
> >>
> 
> --
> Julien Grall
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Re: Porting XEN hypervisor on iMX8QM

[Ravi Pichholiya]

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Hi All,

Many thanks for your response. We will go through all provided information
and try to put step forward for porting XEN.



Thanks & Regards,
Ravi Pichholiya

On Wed, Nov 7, 2018 at 6:54 AM Peng Fan <peng.fan@nxp.com> wrote:

> Hi Ravi,
>
> You could find code here
> https://source.codeaurora.org/external/imx/imx-xen/
>
> The latest public branch should be
> https://source.codeaurora.org/external/imx/imx-xen/log/?h=imx_4.14.62_1.0.0_beta
> but this has not gone through test, you could take as reference. We have
> some new code still not public now.
>
> Regards,
> Peng.
> > -----Original Message-----
> > From: Julien Grall [mailto:julien.grall@arm.com]
> > Sent: 2018年11月7日 3:06
> > To: Stefano Stabellini <sstabellini@kernel.org>; Ravi Pichholiya
> > <pichholiyaravi@gmail.com>
> > Cc: xen-devel@lists.xen.org; Peng Fan <peng.fan@nxp.com>
> > Subject: Re: Porting XEN hypervisor on iMX8QM
> >
> > Hi,
> >
> > I am CCing Peng Fan who is working for NXP and also on Xen. Peng, do you
> have
> > any pointer to getting Xen running on iMX8QM?
> >
> > Cheers,
> >
> > On 06/11/2018 18:59, Stefano Stabellini wrote:
> > > Hi Ravi,
> > >
> > > Please have a look at our wiki as a reference:
> > > https://emea01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwiki
> > > .xenproject.org%2Fwiki%2FXen_ARM_with_Virtualization_Extensions&amp;d
> > a
> > >
> > ta=02%7C01%7Cpeng.fan%40nxp.com%7C29f2e7554eeb4239e2be08d6441ae9
> > e7%7C6
> > >
> > 86ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636771279731653739&am
> > p;sdata
> > >
> > =FLKtTp%2FaAk6B7Suv0vUttF04z%2BLo1Gw%2FmaI5p9RV%2BZE%3D&amp;re
> > served=0
> > >
> > > I would start from cross-compiling the Xen hypervisor (the xen/
> > > directory), no need to build the Xen userspace tools initially.
> > > Make sure to have the right early boot uart driver, see
> > > CONFIG_EARLY_PRINTK and docs/misc/arm/early-printk.txt.
> > >
> > > After you boot the Xen binary from uboot, you should be able to see
> > > some console output from the hypervisror. The step after that is
> > > booting Dom0.
> > >
> > > Cheers,
> > >
> > > Stefano
> > >
> > > On Mon, 5 Nov 2018, Ravi Pichholiya wrote:
> > >> Hi Stefano,
> > >> This is in reference to our LinkedIn discussion, in our one of the
> project we
> > need to port XEN hypervisor on iMx8QM.
> > >>
> > >> Request you to share what all visibility we should require from boot
> > >> prospective as currently we are having access to Device tree and
> U-boot
> > source code only. Is access to any other files are also required?
> > >>
> > >> Also some reference to start with the porting of XEN if available
> with you.
> > >>
> > >> Thanks & Regards,
> > >> Ravi Pichholiya
> > >>
> >
> > --
> > Julien Grall
>

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