[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
RE: Trying to boot xen on Raspberry-pi 3 B+
- To: Ayan Kumar Halder <ayan.halder.arm@xxxxxxxxx>, "julien.grall.oss@xxxxxxxxx" <julien.grall.oss@xxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, "Volodymyr_Babchuk@xxxxxxxx" <Volodymyr_Babchuk@xxxxxxxx>, "sstabellini@xxxxxxxxxx" <sstabellini@xxxxxxxxxx>
- From: Wei Chen <Wei.Chen@xxxxxxx>
- Date: Wed, 29 Dec 2021 02:28:48 +0000
- Accept-language: en-US
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=kqIjpt+Lo1WS1ArXfp9rMC6n5O2NRAcyibnwL//dBhE=; b=fV4cbMggERNddY7qpCWIi4q5NbnPhRFQcNO1k/iPeiG5I5nmBnhtSKlN7O8jXj0df67N8vqrT24pyDxG5LGusq91JJfPIQCMTERfcj5I5hA76U9sRFexEq2PMBNrDS6vNJNXDZr8LuKhRWqA0xo84ca6FZCTLhpoBDG0WWAY1WuWdTMnPQLoWCFKaorQ0AH4k6hkhq69FSWwpCjpsUtcvPICII35kVuy0SqgfN++6FgcrkS5izjip9o82GF7YCuHhq/zuoolCF+QvGl52ab54CdnEUTed66sYeOEy4L+26aVPeYZVum5lhVgoNFG7UtSreXTNUilO33KrVephVuGTw==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=NOJ1UzpW67oH94EgEMH/jfDaPxi7hIblYXpvri9BqyRC0YXcYvPO+c5wIDwV9GPhFC9tmmEHfzjiSqXf+GklCQgocMD0Fc8pzDfLcZEKqdd4yYFvqlcStzmUpAKHmzeXNvlOa1BgAEP3QlZLr0c2a7MbmTvtE3c6BN2dfdUtFICx9BvNSN/gl299ua11kdGJCafQhq9MiAm7GD7dLYui9xRDPlX0rNMckfzKNzyX7CesA1fj4Cs32hW7xYshy9gR5oyDc7udIzHxVSbmFRwdHLEHaTZnsS2AmFZ+s5sWrRccOkKcC/6nj2KCGCQaTrIgE4Ad+nGySen7Jt9g/Y0VeQ==
- Authentication-results-original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Cc: "xen-devel@xxxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxxx>
- Delivery-date: Wed, 29 Dec 2021 02:29:24 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
- Original-authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Thread-index: AQHX++2COlXdxXWyoECa4qN3vDrNSqxIvyAA
- Thread-topic: Trying to boot xen on Raspberry-pi 3 B+
Hi Ayan,
> -----Original Message-----
> From: Xen-devel <xen-devel-bounces@xxxxxxxxxxxxxxxxxxxx> On Behalf Of Ayan
> Kumar Halder
> Sent: 2021年12月28日 21:19
> To: julien.grall.oss@xxxxxxxxx; Bertrand Marquis
> <Bertrand.Marquis@xxxxxxx>; Volodymyr_Babchuk@xxxxxxxx;
> sstabellini@xxxxxxxxxx
> Cc: xen-devel@xxxxxxxxxxxxxxxxxxxx
> Subject: Trying to boot xen on Raspberry-pi 3 B+
>
> Hi,
>
> I am trying to boot xen on Raspberry-pi 3 B+ as my hobby project to
> learn about Xen.
>
> I used the latest version of xen
> (f1e268b9fd13647e1f69c8ce0ae7be401d319fc8). I tried using
> tiny64_defconfig and built xen-4.17-unstable. Also I enabled printk and
> set 0x7e215040 as the early printk physical base address (0x7e215040).
>
> Then, I just tried to load xen and dtb (the same which has worked fine
> for linux). However, there is no prints after "Starting kernel ...".
>
> 1. Do you know if there is something I am missing ? I am expecting to
> see the Xen earlyprintk logs.
>
> 2. Is raspberry 3 B+ expected to work with Xen ? I was reading
> https://www.linux.com/featured/xen-on-raspberry-pi-4-adventures/ and is
> my understanding correct that only Pi 4 is supported ?
>
It seems raspberries 3 B+ doesn't have GIC interrupt controller.
If yes, I think you can't make Xen work properly on raspberries 3 B+.
Because Xen only supports GIC for Arm architectures.
> Kind regards,
>
> Ayan
>
|
