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From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: "Marcin Wojtas" <mw@semihalf.com>,
	"edk2-devel@lists.01.org" <edk2-devel@lists.01.org>,
	"Nadav Haklai" <nadavh@marvell.com>,
	"Neta Zur Hershkovits" <neta@marvell.com>,
	"Kostya Porotchkin" <kostap@marvell.com>,
	"Hua Jing" <jinghua@marvell.com>, "Jan Dąbroś" <jsd@semihalf.com>
Subject: Re: [platforms: PATCH 8/8] Marvell/Armada: Add 32-bit ARM support
Date: Wed, 11 Oct 2017 19:20:45 +0100	[thread overview]
Message-ID: <CAKv+Gu8m6gH7OWDGov3B3i+NeFET4tmYA8LSwJJBvRQ_uJBFFg@mail.gmail.com> (raw)
In-Reply-To: <20171011175823.n7gelbueh55ytlbe@bivouac.eciton.net>

On 11 October 2017 at 18:58, Leif Lindholm <leif.lindholm@linaro.org> wrote:
> On Wed, Oct 11, 2017 at 05:40:49PM +0200, Marcin Wojtas wrote:
>> From: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>>
>> Update the included components and library classes to make this platform
>> build for 32-bit ARM.
>>
>> Contributed-under: TianoCore Contribution Agreement 1.1
>> Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
>> Signed-off-by: Marcin Wojtas <mw@semihalf.com>
>
> Very neat!
> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
>

There are two caveats though:

- it is up to ARM-TF to enter the non-secure world in the right mode
(EL2 or SVC)
- HYP mode cannot be used, since it mandates long descriptors, while
UEFI mandates short descriptors, so we lose KVM functionality when
booting 32-bit Linux via UEFI.


      reply	other threads:[~2017-10-11 18:17 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-10-11 15:40 [platforms: PATCH 0/8] Armada 7k/8k - memory improvements Marcin Wojtas
2017-10-11 15:40 ` [platforms: PATCH 1/8] Marvell/Armada: Implement EFI_RNG_PROTOCOL driver for EIP76 TRNG Marcin Wojtas
2017-10-11 16:47   ` Leif Lindholm
2017-10-11 18:15     ` Ard Biesheuvel
2017-10-12  4:39       ` Marcin Wojtas
2017-10-12 10:24         ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 2/8] Marvell/Armada: Increase preallocated memory region size Marcin Wojtas
2017-10-11 16:56   ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 3/8] Marvell/Armada: Remove custom reset library residues Marcin Wojtas
2017-10-11 16:56   ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 4/8] Marvell/Armada: Add support from DRAM remapping Marcin Wojtas
2017-10-11 17:08   ` Leif Lindholm
2017-10-11 18:18     ` Ard Biesheuvel
2017-10-12  4:58       ` Marcin Wojtas
2017-10-12 10:29         ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 5/8] Marvell/Armada: Add MemoryInitPeiLib that reserves secure region Marcin Wojtas
2017-10-11 17:11   ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 6/8] Marvell/Armada: Enable dynamic DRAM size detection Marcin Wojtas
2017-10-11 17:56   ` Leif Lindholm
2017-10-12  5:47     ` Marcin Wojtas
2017-10-12 10:50       ` Leif Lindholm
2017-10-12 10:58         ` Marcin Wojtas
2017-10-11 15:40 ` [platforms: PATCH 7/8] Marvell/Armada: Armada70x0Lib: Add support for 32-bit ARM Marcin Wojtas
2017-10-11 17:57   ` Leif Lindholm
2017-10-11 15:40 ` [platforms: PATCH 8/8] Marvell/Armada: Add 32-bit ARM support Marcin Wojtas
2017-10-11 17:58   ` Leif Lindholm
2017-10-11 18:20     ` Ard Biesheuvel [this message]

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