From: Daniel Thompson <daniel.thompson@linaro.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH] qemu-arm: Add persistent environment support
Date: Thu, 13 Dec 2018 09:30:24 +0000 [thread overview]
Message-ID: <20181213093024.aqqy7xz5on7po4tb@holly.lan> (raw)
In-Reply-To: <20181213024358.754d360c@thinkpad>
On Thu, Dec 13, 2018 at 02:43:58AM +0200, Tuomas Tynkkynen wrote:
> > Another use case is atf + u-boot (although I don't know people are
> > interested in it). Put bl1.bin in flash0(0x0-0x4000000) and put
> > fip.bin in flash1(0x4000000-0x8000000). Please note that, with
> > secure=on, flash0 is in secure and flash1 is in non-secure.
> > While I admit that your patch is workable, my point is that there are
> > different use cases and it may not be a good idea to put one
> > configuration in qemu-arm.h.
>
> Can EDK2 in QEMU boot with ATF and if so, how does it lay out things?
>
> Would it be possible to build U-Boot in such a way that u-boot.bin
> could be substituted in existing build scripts or instructions in place
> of the EDK2 binary so that things still work the same?
>
> Or in other words, if EDK2 has already has a working
> implementation of something (such as the flash layout), IMO we should
> prefer to use that instead of reimplementing it in a different
> way.
The EDK2 binaries I am using don't include ATF. IIRC qemu with default
arguments boots directly into EL1 so most of the off-the-shelf binaries
will not include a trusted firmware.
EDK2 keeps its varstore on the second pflash.
Daniel.
next prev parent reply other threads:[~2018-12-13 9:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-26 11:20 [U-Boot] [PATCH] qemu-arm: Add persistent environment support Sumit Garg
2018-11-27 6:47 ` AKASHI Takahiro
2018-11-27 7:41 ` Sumit Garg
2018-11-27 8:17 ` Takahiro Akashi
2018-11-27 9:51 ` Sumit Garg
2018-12-11 12:34 ` Sumit Garg
2018-12-12 1:42 ` Takahiro Akashi
2018-12-12 6:44 ` Sumit Garg
2018-12-12 7:40 ` Takahiro Akashi
2018-12-12 11:27 ` Sumit Garg
2018-12-13 0:43 ` Tuomas Tynkkynen
2018-12-13 9:30 ` Daniel Thompson [this message]
2018-12-14 11:00 ` Takahiro Akashi
2018-12-14 11:11 ` Daniel Thompson
2018-12-13 0:47 ` [U-Boot] " Tom Rini
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