From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: linux-arm-kernel@lists.infradead.org
Subject: Re: XIP_KERNEL and !ARCH_MULTIPLATFORM
Date: Sun, 22 Mar 2015 09:13:17 +0000 [thread overview]
Message-ID: <20150322091317.GF5664@pengutronix.de> (raw)
In-Reply-To: <HK2PR06MB0561AA9DE7988D33159117138A0E0@HK2PR06MB0561.apcprd06.prod.outlook.com>
Hello Chris,
On Fri, Mar 20, 2015 at 08:18:10PM +0000, Chris Brandt wrote:
> > > Of course to actually boot an XIP kernel, you have to make a custom command in u-boot (using bootm or go is not going to work).
> > It should. I remember that you need to pass something unintuitive to
> > mkimage (to not say buggy). See
> > http://lists.denx.de/pipermail/u-boot/2007-March/020171.html for my
> > try to fix that back when I still cared about U-Boot.
>
> I originally started down that path...but it was so screwed up and
> really only worked for the power PC architecture. It was more work to
> hack it than just making a very simple function that loaded the
> R0,R1,R2 registers and jumped to the start of the kernel.
Back then it worked for me on ARM, too.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
WARNING: multiple messages have this Message-ID (diff)
From: u.kleine-koenig@pengutronix.de (Uwe Kleine-König)
To: linux-arm-kernel@lists.infradead.org
Subject: XIP_KERNEL and !ARCH_MULTIPLATFORM
Date: Sun, 22 Mar 2015 10:13:17 +0100 [thread overview]
Message-ID: <20150322091317.GF5664@pengutronix.de> (raw)
In-Reply-To: <HK2PR06MB0561AA9DE7988D33159117138A0E0@HK2PR06MB0561.apcprd06.prod.outlook.com>
Hello Chris,
On Fri, Mar 20, 2015 at 08:18:10PM +0000, Chris Brandt wrote:
> > > Of course to actually boot an XIP kernel, you have to make a custom command in u-boot (using bootm or go is not going to work).
> > It should. I remember that you need to pass something unintuitive to
> > mkimage (to not say buggy). See
> > http://lists.denx.de/pipermail/u-boot/2007-March/020171.html for my
> > try to fix that back when I still cared about U-Boot.
>
> I originally started down that path...but it was so screwed up and
> really only worked for the power PC architecture. It was more work to
> hack it than just making a very simple function that loaded the
> R0,R1,R2 registers and jumped to the start of the kernel.
Back then it worked for me on ARM, too.
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-K?nig |
Industrial Linux Solutions | http://www.pengutronix.de/ |
next prev parent reply other threads:[~2015-03-22 9:13 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-17 3:48 XIP_KERNEL and !ARCH_MULTIPLATFORM Chris Brandt
2015-03-17 3:48 ` Chris Brandt
2015-03-17 10:26 ` Russell King - ARM Linux
2015-03-17 10:26 ` Russell King - ARM Linux
2015-03-17 13:29 ` Chris Brandt
2015-03-17 13:29 ` Chris Brandt
2015-03-17 10:50 ` Geert Uytterhoeven
2015-03-17 10:50 ` Geert Uytterhoeven
2015-03-17 13:46 ` Chris Brandt
2015-03-17 13:46 ` Chris Brandt
2015-03-17 13:57 ` Geert Uytterhoeven
2015-03-17 13:57 ` Geert Uytterhoeven
2015-03-17 16:08 ` Chris Brandt
2015-03-17 16:08 ` Chris Brandt
2015-03-17 16:20 ` Geert Uytterhoeven
2015-03-17 16:20 ` Geert Uytterhoeven
2015-03-17 16:28 ` Russell King - ARM Linux
2015-03-17 16:28 ` Russell King - ARM Linux
2015-03-17 16:37 ` Chris Brandt
2015-03-17 16:37 ` Chris Brandt
2015-03-17 16:34 ` Chris Brandt
2015-03-17 16:34 ` Chris Brandt
2015-03-19 20:57 ` Chris Brandt
2015-03-19 20:57 ` Chris Brandt
2015-03-20 8:19 ` Uwe Kleine-König
2015-03-20 8:19 ` Uwe Kleine-König
2015-03-20 20:18 ` Chris Brandt
2015-03-20 20:18 ` Chris Brandt
2015-03-22 9:13 ` Uwe Kleine-König [this message]
2015-03-22 9:13 ` Uwe Kleine-König
2015-03-20 22:23 ` Russell King - ARM Linux
2015-03-20 22:23 ` Russell King - ARM Linux
2015-03-21 15:39 ` Chris Brandt
2015-03-21 15:39 ` Chris Brandt
2015-03-22 16:57 ` Russell King - ARM Linux
2015-03-22 16:57 ` Russell King - ARM Linux
2015-03-22 19:48 ` Arnd Bergmann
2015-03-22 19:48 ` Arnd Bergmann
2015-03-23 1:41 ` Chris Brandt
2015-03-23 1:41 ` Chris Brandt
2015-03-23 1:24 ` Chris Brandt
2015-03-23 1:24 ` Chris Brandt
2015-03-23 5:54 ` Arnd Bergmann
2015-03-23 5:54 ` Arnd Bergmann
2015-03-23 13:54 ` Chris Brandt
2015-03-23 13:54 ` Chris Brandt
2015-03-22 19:40 ` Arnd Bergmann
2015-03-22 19:40 ` Arnd Bergmann
2015-03-23 1:37 ` Geert Uytterhoeven
2015-03-23 1:37 ` Geert Uytterhoeven
2015-03-23 1:49 ` Chris Brandt
2015-03-23 1:49 ` Chris Brandt
2015-03-17 16:36 ` Uwe Kleine-König
2015-03-17 16:36 ` Uwe Kleine-König
2015-04-05 16:02 ` Russell King - ARM Linux
2015-04-05 16:02 ` Russell King - ARM Linux
2015-04-07 3:31 ` Chris Brandt
2015-04-07 3:31 ` Chris Brandt
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