From: Marco Felsch <m.felsch@pengutronix.de>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Barebox List <barebox@lists.infradead.org>
Subject: Re: [PATCH 1/2] ARM: i.MX6: Enable PBL_VERIFY_PIGGY with HABV4 support
Date: Wed, 19 Feb 2025 11:43:29 +0100 [thread overview]
Message-ID: <20250219104329.toyskdpkbtwftatc@pengutronix.de> (raw)
In-Reply-To: <20250218140407.1224499-1-s.hauer@pengutronix.de>
Hi Sascha,
On 25-02-18, Sascha Hauer wrote:
> Some i.MX6 configurations use the xload mechanism. With this the ROM
> only loads and verifies the PBL. The PBL will then load barebox proper.
> Without verification the barebox proper binary is untrusted and could be
> modified. Select PBL_VERIFY_PIGGY when HABV4 is enabled to ensure the
> barebox proper binary has not been tempered with.
>
> boards not using the xload mechanism don't need this option, but there
> is no good way to detect currently if the xload mechanism is used, so
> these boards will have to live with a slightly increased binary size
> for now.
I hav no objections but do you have numbers? There are many i.MX6 based
systems which do use a spi-nor with limited amount of space already
facing size issues since barebox is becoming bigger and bigger.
Regards,
Marco
next prev parent reply other threads:[~2025-02-19 10:46 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-18 14:04 Sascha Hauer
2025-02-18 14:04 ` [PATCH 2/2] ARM: i.MX9: Enable PBL_VERIFY_PIGGY with non INSECURE Sascha Hauer
2025-02-19 10:43 ` Marco Felsch [this message]
2025-02-19 12:13 ` [PATCH 1/2] ARM: i.MX6: Enable PBL_VERIFY_PIGGY with HABV4 support Sascha Hauer
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