From: Mark Rutland <mark.rutland@arm.com>
To: Jonathan Marek <jonathan@marek.ca>
Cc: Marc Zyngier <maz@kernel.org>, Ard Biesheuvel <ardb@kernel.org>,
"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] arm64: set TEXT_OFFSET to 0x0 in preparation for removing it entirely
Date: Wed, 10 Jun 2020 09:57:46 +0100 [thread overview]
Message-ID: <20200610085746.GA38107@C02TD0UTHF1T.local> (raw)
In-Reply-To: <63eebe9b-9aa8-addd-7965-df59b7237079@marek.ca>
On Tue, Jun 09, 2020 at 08:52:42AM -0400, Jonathan Marek wrote:
> On 6/9/20 8:37 AM, Ard Biesheuvel wrote:
> > On Tue, 9 Jun 2020 at 14:35, Jonathan Marek <jonathan@marek.ca> wrote:
> > >
> > > Hi,
> > >
> > > Just want to add that this patch also broke booting my arm64 kernel
> > > (CONFIG_RANDOMIZE_BASE=n). This is on a recent qualcomm board.
> >
> > Which bootloader does it use?
>
> abl/edk2 (https://source.codeaurora.org/quic/la/abl/tianocore/edk2/tree/?h=LA.UM.8.12.r1-11700-sm8250.0)
>
> Just looking at it quickly (I am no bootloader expert), I think this may
> have something to do with it: https://source.codeaurora.org/quic/la/abl/tianocore/edk2/tree/QcomModulePkg/QcomModulePkg.dec?h=LA.UM.8.12.r1-11700-sm8250.0#n149
>
For others following, the relevant lines are:
| [PcdsFixedAtBuild.common]
| # linuxloadercommon
| gqcomtokenspaceguid.kernelloadaddress|0x00080000|uint32|0x00015000
... which means this is using the dodgy built-in Linux loader rather than
booting Linux as an EFI application. It's disappointing that's still being used. :(
Mark.
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next prev parent reply other threads:[~2020-06-10 8:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 8:29 [PATCH] arm64: set TEXT_OFFSET to 0x0 in preparation for removing it entirely Ard Biesheuvel
2020-04-15 8:39 ` Will Deacon
2020-04-15 8:48 ` Ard Biesheuvel
2020-04-15 9:15 ` Will Deacon
2020-04-28 13:41 ` Will Deacon
2020-04-28 14:49 ` Will Deacon
2020-06-04 14:41 ` Marc Zyngier
2020-06-04 15:01 ` Will Deacon
2020-06-04 15:25 ` Marc Zyngier
2020-06-04 15:41 ` Ard Biesheuvel
2020-06-04 15:48 ` Ard Biesheuvel
2020-06-04 16:07 ` Marc Zyngier
2020-06-09 12:35 ` Jonathan Marek
2020-06-09 12:37 ` Ard Biesheuvel
2020-06-09 12:52 ` Jonathan Marek
2020-06-10 8:57 ` Mark Rutland [this message]
2020-06-10 9:25 ` Ard Biesheuvel
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