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From: Julien Grall <julien.grall@arm.com>
To: "Wieczorkiewicz, Pawel" <wipawel@amazon.de>
Cc: "Tim Deegan" <tim@xen.org>,
	"Stefano Stabellini" <sstabellini@kernel.org>,
	"Wei Liu" <wl@xen.org>,
	"Konrad Rzeszutek Wilk" <konrad.wilk@oracle.com>,
	"George Dunlap" <George.Dunlap@eu.citrix.com>,
	"Andrew Cooper" <andrew.cooper3@citrix.com>,
	"Ian Jackson" <ian.jackson@eu.citrix.com>,
	xen-devel <xen-devel@lists.xen.org>,
	"Pohlack, Martin" <mpohlack@amazon.de>,
	"Ross Lagerwall" <ross.lagerwall@citrix.com>,
	"Jan Beulich" <jbeulich@suse.com>,
	xen-devel <xen-devel@lists.xenproject.org>,
	"Roger Pau Monné" <roger.pau@citrix.com>
Subject: Re: [Xen-devel] [PATCH 09/14] livepatch: Add per-function applied/reverted state tracking marker
Date: Thu, 22 Aug 2019 16:02:07 +0100
Message-ID: <2b60e660-dbc4-7629-5fc3-f84abcd26c17@arm.com> (raw)
In-Reply-To: <16A9D28C-8F6C-4358-85C9-98BB7BB5C90E@amazon.com>

Hi,

On 22/08/2019 12:15, Wieczorkiewicz, Pawel wrote:
>> On 22. Aug 2019, at 12:43, Julien Grall <julien.grall@arm.com 
>> <mailto:julien.grall@arm.com>> wrote:
>> On 22/08/2019 11:20, Wieczorkiewicz, Pawel wrote:
>>>> Cross-compiler are nowadays widely available. So build testing your changes 
>>>> in common code would be the minimum.
>>>>
>>> I wish it was that simple. Nevertheless, I will try to prepare an environment 
>>> to perform such builds.
>>
>> Cross-compiling the hypervisor is really easy ;).
>>
>> 1) Download the cross-compiler tarball (here one [1]) and uncompress it. You 
>> can also install the one provided by your distro.
>>
>> 2) Build Xen hypervisor. Here an example for arm64:
>>
>> 42sh> cd xen.git/xen
>> 42sh> make XEN_TARGET_ARCH=arm64 CROSS_COMPILER=<triplet>-
>>
>> In my case, I am using the Arm toolchain AArch64 GNU/Linux target 
>> (aarch64-linux-gnu). So the <triplet> would be aarch64-linux-gnu.
>>
>> This is assuming you have the compilers binary in your PATH. If not, you can 
>> use give the full path:
>>
>> CROSS_COMPILER=/opt/gcc-arm-8.3-2019.03-x86_64-aarch64-linux-gnu/bin/aarch64-linux-gnu-
> 
> Awesome! That really works (especially thanks for the [1] link… finally some 
> toolstack that works on my system).
> 
> One change was needed: s/CROSS_COMPILER/CROSS_COMPILE/g

Oh yes, sorry for that. I didn't copy/paste for once.

> 
> Thanks!
> 
> Having this in a wiki would really help. Or have I missed it?

This is explained on the Xen on Arm wiki page [2]. But I have to admit the page 
is difficult to go through. I need to find some time to rework it.

Cheers,

>> [1] 
>> https://developer.arm.com/tools-and-software/open-source-software/developer-tools/gnu-toolchain/gnu-a/downloads

[2] 
https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions#Cross_Compiling


-- 
Julien Grall

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  reply index

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-21  8:19 [Xen-devel] [PATCH 00/14] livepatch: new features and fixes Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 01/14] livepatch: Always check hypervisor build ID upon hotpatch upload Pawel Wieczorkiewicz
2019-08-21 18:16   ` Konrad Rzeszutek Wilk
2019-08-21  8:19 ` [Xen-devel] [PATCH 02/14] livepatch: Allow to override inter-modules buildid dependency Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 03/14] python: Add XC binding for Xen build ID Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 04/14] livepatch: Export payload structure via livepatch_payload.h Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 05/14] livepatch: Implement pre-|post- apply|revert hooks Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 06/14] livepatch: Add support for apply|revert action replacement hooks Pawel Wieczorkiewicz
2019-08-21 18:31   ` Konrad Rzeszutek Wilk
2019-08-21 19:06     ` Wieczorkiewicz, Pawel
2019-08-26 14:30       ` Konrad Rzeszutek Wilk
2019-08-21  8:19 ` [Xen-devel] [PATCH 07/14] livepatch: Do not enforce ELF_LIVEPATCH_FUNC section presence Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 08/14] livepatch: always print XENLOG_ERR information Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 09/14] livepatch: Add per-function applied/reverted state tracking marker Pawel Wieczorkiewicz
2019-08-21 18:28   ` Konrad Rzeszutek Wilk
2019-08-21 19:00     ` Wieczorkiewicz, Pawel
2019-08-21 21:34   ` Julien Grall
2019-08-22  7:44     ` Wieczorkiewicz, Pawel
2019-08-22 10:07       ` Julien Grall
2019-08-22 10:20         ` Wieczorkiewicz, Pawel
2019-08-22 10:43           ` Julien Grall
2019-08-22 11:15             ` Wieczorkiewicz, Pawel
2019-08-22 15:02               ` Julien Grall [this message]
2019-08-22 10:29   ` Julien Grall
2019-08-22 11:02     ` Wieczorkiewicz, Pawel
2019-08-22 15:30       ` Julien Grall
2019-08-22 15:42         ` Wieczorkiewicz, Pawel
2019-08-21  8:19 ` [Xen-devel] [PATCH 10/14] livepatch: Add support for inline asm hotpatching expectations Pawel Wieczorkiewicz
2019-08-21 18:30   ` Konrad Rzeszutek Wilk
2019-08-21 19:02     ` Wieczorkiewicz, Pawel
2019-08-22 10:31   ` Julien Grall
2019-08-22 11:03     ` Wieczorkiewicz, Pawel
2019-08-21  8:19 ` [Xen-devel] [PATCH 11/14] livepatch: Add support for modules .modinfo section metadata Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 12/14] livepatch: Handle arbitrary size names with the list operation Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 13/14] livepatch: Add metadata runtime retrieval mechanism Pawel Wieczorkiewicz
2019-08-21  8:19 ` [Xen-devel] [PATCH 14/14] livepatch: Add python bindings for livepatch operations Pawel Wieczorkiewicz
2019-08-22 21:55   ` Marek Marczykowski-Górecki
2019-08-27  8:46 ` [Xen-devel] [PATCH v2 00/12] livepatch: new features and fixes Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 01/12] livepatch: Always check hypervisor build ID upon hotpatch upload Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 02/12] livepatch: Allow to override inter-modules buildid dependency Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 03/12] livepatch: Export payload structure via livepatch_payload.h Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 04/12] livepatch: Implement pre-|post- apply|revert hooks Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 05/12] livepatch: Add support for apply|revert action replacement hooks Pawel Wieczorkiewicz
2019-08-27 16:58     ` Konrad Rzeszutek Wilk
2019-08-28  7:37       ` Wieczorkiewicz, Pawel
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 06/12] livepatch: Do not enforce ELF_LIVEPATCH_FUNC section presence Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 07/12] livepatch: Add per-function applied/reverted state tracking marker Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 08/12] livepatch: Add support for inline asm hotpatching expectations Pawel Wieczorkiewicz
2019-08-29 14:34     ` Konrad Rzeszutek Wilk
2019-08-29 15:29       ` Wieczorkiewicz, Pawel
2019-08-29 15:58     ` Konrad Rzeszutek Wilk
2019-08-29 16:16       ` Wieczorkiewicz, Pawel
2019-08-29 17:49         ` Konrad Rzeszutek Wilk
2019-08-29 19:07           ` Wieczorkiewicz, Pawel
2019-08-29 20:48             ` Konrad Rzeszutek Wilk
2019-09-05 18:05     ` Konrad Rzeszutek Wilk
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 09/12] livepatch: Add support for modules .modinfo section metadata Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 10/12] livepatch: Handle arbitrary size names with the list operation Pawel Wieczorkiewicz
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 11/12] livepatch: Add metadata runtime retrieval mechanism Pawel Wieczorkiewicz
2019-08-29 20:48     ` Konrad Rzeszutek Wilk
2019-08-27  8:46   ` [Xen-devel] [PATCH v2 12/12] livepatch: Add python bindings for livepatch operations Pawel Wieczorkiewicz
2019-08-28 13:21     ` Marek Marczykowski-Górecki
2019-08-29 19:23   ` [Xen-devel] [PATCH v2 00/12] livepatch: new features and fixes Konrad Rzeszutek Wilk
2019-09-05 19:13   ` Konrad Rzeszutek Wilk
2019-09-06 22:52     ` Julien Grall
2019-09-06 22:42   ` Julien Grall

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