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From: Sascha Hauer <s.hauer@pengutronix.de>
To: Ahmad Fatoum <a.fatoum@pengutronix.de>
Cc: barebox@lists.infradead.org
Subject: Re: [PATCH 6/8] ARM: Add generic device tree 2nd stage support
Date: Mon, 25 Nov 2019 08:47:45 +0100	[thread overview]
Message-ID: <20191125074744.wbtktsqljwsmmxvz@pengutronix.de> (raw)
In-Reply-To: <27e33ef9-bb89-dcd0-9829-6dd3036eeae9@pengutronix.de>

On Tue, Nov 19, 2019 at 09:26:58AM +0100, Ahmad Fatoum wrote:
> Hello Sascha,
> 
> On 8/19/19 3:38 PM, Sascha Hauer wrote:
> > +void dt_2nd_aarch64(void *fdt)
> > +{
> > +	unsigned long image_start = (unsigned long)_text + global_variable_offset();
> > +
> > +	arm_setup_stack(image_start);
> 
> Shouldn't we rather place the stack somewhere beyond the end of the barebox image
> instead of assuming that we can access the memory before the start?

Yes, this should be better. barebox is sometimes loaded directly to the
start of SDRAM.

Sascha

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  parent reply	other threads:[~2019-11-25  7:47 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-08-19 13:38 [PATCH 0/8] Add support for a generic DT based 2nd stage ARM image Sascha Hauer
2019-08-19 13:38 ` [PATCH 1/8] dtc: Update update-dtc-source.sh from Linux Sascha Hauer
2019-08-19 13:48   ` Roland Hieber
2019-08-19 13:38 ` [PATCH 2/8] scripts/dtc: Update to upstream version v1.5.0 Sascha Hauer
2019-08-19 13:52   ` Roland Hieber
2019-08-19 13:56     ` Sascha Hauer
2019-08-19 14:09       ` Roland Hieber
2019-09-23 13:39         ` Ahmad Fatoum
2019-08-19 13:38 ` [PATCH 3/8] pbl: Implement strrchr Sascha Hauer
2019-08-19 13:38 ` [PATCH 4/8] Compile libfdt for barebox Sascha Hauer
2019-08-19 13:38 ` [PATCH 5/8] common: return "none" when board unset Sascha Hauer
2019-08-19 13:38 ` [PATCH 6/8] ARM: Add generic device tree 2nd stage support Sascha Hauer
2019-11-19  8:26   ` Ahmad Fatoum
2019-11-19  9:41     ` Oleksij Rempel
2019-11-19 10:21       ` Ahmad Fatoum
2019-11-25  7:47     ` Sascha Hauer [this message]
2019-08-19 13:38 ` [PATCH 7/8] ARM: i.MX: Do not hang() on unknown SoCs Sascha Hauer
2019-08-19 13:38 ` [PATCH 8/8] ARM: i.MX: When generic DT image is enabled do not hardcode SoC Sascha Hauer

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