From: Mark Salter <msalter@redhat.com>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: "roy.franz@linaro.org" <roy.franz@linaro.org>,
"matt.fleming@intel.com" <matt.fleming@intel.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Catalin Marinas <catalin.marinas@arm.com>,
"patches@linaro.org" <patches@linaro.org>,
Will Deacon <Will.Deacon@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Grant Likely <grant.likely@secretlab.ca>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/3] arm64: add EFI stub
Date: Fri, 06 Dec 2013 08:51:32 -0500 [thread overview]
Message-ID: <1386337892.1861.158.camel@deneb.redhat.com> (raw)
In-Reply-To: <20131206133827.GB24997@rocoto.smurfnet.nu>
On Fri, 2013-12-06 at 14:38 +0100, Leif Lindholm wrote:
> On Fri, Dec 06, 2013 at 08:34:30AM -0500, Mark Salter wrote:
> > > Or just disable runtime services on the switch to big ending. Big endian
> > > should not disable the stub (but getting it to work could be a follow-up
> > > patch)
> > >
> > The other problem with BE is that the PE/COFF masquerading is built into
> > head.S so the same Image can be used for EFI and non-EFI. I don't see
> > a BE opcode which we could us to provide the magic "MZ" at the start
> > of a BE kernel Image.
>
> That's actually not an issue.
> Instructions are always LE - endinaness affects only data.
>
Oh right, I knew that. Time for coffee.
WARNING: multiple messages have this Message-ID (diff)
From: msalter@redhat.com (Mark Salter)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/3] arm64: add EFI stub
Date: Fri, 06 Dec 2013 08:51:32 -0500 [thread overview]
Message-ID: <1386337892.1861.158.camel@deneb.redhat.com> (raw)
In-Reply-To: <20131206133827.GB24997@rocoto.smurfnet.nu>
On Fri, 2013-12-06 at 14:38 +0100, Leif Lindholm wrote:
> On Fri, Dec 06, 2013 at 08:34:30AM -0500, Mark Salter wrote:
> > > Or just disable runtime services on the switch to big ending. Big endian
> > > should not disable the stub (but getting it to work could be a follow-up
> > > patch)
> > >
> > The other problem with BE is that the PE/COFF masquerading is built into
> > head.S so the same Image can be used for EFI and non-EFI. I don't see
> > a BE opcode which we could us to provide the magic "MZ" at the start
> > of a BE kernel Image.
>
> That's actually not an issue.
> Instructions are always LE - endinaness affects only data.
>
Oh right, I knew that. Time for coffee.
WARNING: multiple messages have this Message-ID (diff)
From: Mark Salter <msalter@redhat.com>
To: Leif Lindholm <leif.lindholm@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>,
Catalin Marinas <catalin.marinas@arm.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"patches@linaro.org" <patches@linaro.org>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Will Deacon <Will.Deacon@arm.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
"matt.fleming@intel.com" <matt.fleming@intel.com>,
"linux-efi@vger.kernel.org" <linux-efi@vger.kernel.org>,
"roy.franz@linaro.org" <roy.franz@linaro.org>
Subject: Re: [PATCH 1/3] arm64: add EFI stub
Date: Fri, 06 Dec 2013 08:51:32 -0500 [thread overview]
Message-ID: <1386337892.1861.158.camel@deneb.redhat.com> (raw)
In-Reply-To: <20131206133827.GB24997@rocoto.smurfnet.nu>
On Fri, 2013-12-06 at 14:38 +0100, Leif Lindholm wrote:
> On Fri, Dec 06, 2013 at 08:34:30AM -0500, Mark Salter wrote:
> > > Or just disable runtime services on the switch to big ending. Big endian
> > > should not disable the stub (but getting it to work could be a follow-up
> > > patch)
> > >
> > The other problem with BE is that the PE/COFF masquerading is built into
> > head.S so the same Image can be used for EFI and non-EFI. I don't see
> > a BE opcode which we could us to provide the magic "MZ" at the start
> > of a BE kernel Image.
>
> That's actually not an issue.
> Instructions are always LE - endinaness affects only data.
>
Oh right, I knew that. Time for coffee.
next prev parent reply other threads:[~2013-12-06 13:51 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-29 22:05 [PATCH 0/3] arm64: Add EFI stub and runtime services support Mark Salter
2013-11-29 22:05 ` Mark Salter
[not found] ` < 1385762712-17043-2-git-send-email-msalter@redhat.com>
2013-11-29 22:05 ` [PATCH 1/3] arm64: add EFI stub Mark Salter
2013-11-29 22:05 ` Mark Salter
2013-12-03 18:38 ` Will Deacon
2013-12-03 18:38 ` Will Deacon
2013-12-03 18:38 ` Will Deacon
2013-12-03 19:31 ` Roy Franz
2013-12-03 19:31 ` Roy Franz
[not found] ` <20131203183844.GA22668-MRww78TxoiP5vMa5CHWGZ34zcgK1vI+I0E9HWUfgJXw@public.gmane.org>
2013-12-03 19:31 ` Mark Salter
2013-12-03 19:31 ` Mark Salter
2013-12-03 19:31 ` Mark Salter
2013-12-05 14:18 ` Catalin Marinas
2013-12-05 14:18 ` Catalin Marinas
2013-12-05 14:18 ` Catalin Marinas
[not found] ` <20131205141853.GA974-rtzwXk+D4rEjOxct69p1ducL+3YJyIBv@public.gmane.org>
2013-12-05 14:43 ` Mark Salter
2013-12-05 14:43 ` Mark Salter
2013-12-05 14:43 ` Mark Salter
[not found] ` <1386254603.1861.120.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2013-12-05 15:28 ` Catalin Marinas
2013-12-05 15:28 ` Catalin Marinas
2013-12-05 15:28 ` Catalin Marinas
[not found] ` < 20131205152806.GC974@darko.cambridge.arm.com>
[not found] ` <20131205152806.GC974-rtzwXk+D4rEjOxct69p1ducL+3YJyIBv@public.gmane.org>
2013-12-06 12:25 ` Grant Likely
2013-12-06 12:25 ` Grant Likely
2013-12-06 12:25 ` Grant Likely
2013-12-06 13:34 ` Mark Salter
2013-12-06 13:34 ` Mark Salter
2013-12-06 13:38 ` Leif Lindholm
2013-12-06 13:38 ` Leif Lindholm
2013-12-06 13:38 ` Leif Lindholm
2013-12-06 13:51 ` Mark Salter [this message]
2013-12-06 13:51 ` Mark Salter
2013-12-06 13:51 ` Mark Salter
2013-12-06 14:55 ` Mark Salter
2013-12-06 14:55 ` Mark Salter
2013-12-06 14:55 ` Mark Salter
2013-12-16 15:46 ` Catalin Marinas
2013-12-16 15:46 ` Catalin Marinas
2013-12-06 12:12 ` Grant Likely
2013-12-06 12:12 ` Grant Likely
2013-12-06 12:12 ` Grant Likely
[not found] ` <1385762712-17043-1-git-send-email-msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-11-29 22:05 ` [PATCH 2/3] doc: arm64: add description of EFI stub support Mark Salter
2013-11-29 22:05 ` Mark Salter
2013-11-29 22:05 ` Mark Salter
2013-11-29 22:05 ` [PATCH 3/3] arm64: add EFI runtime services Mark Salter
2013-11-29 22:05 ` Mark Salter
[not found] ` <1385762712-17043-4-git-send-email-msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-12-05 15:25 ` Catalin Marinas
2013-12-05 15:25 ` Catalin Marinas
2013-12-05 15:25 ` Catalin Marinas
[not found] ` <20131205152510.GB974-rtzwXk+D4rEjOxct69p1ducL+3YJyIBv@public.gmane.org>
2013-12-05 15:52 ` Mark Salter
2013-12-05 15:52 ` Mark Salter
2013-12-05 15:52 ` Mark Salter
[not found] ` <1386258761.1861.137.camel-PDpCo7skNiwAicBL8TP8PQ@public.gmane.org>
2013-12-05 15:59 ` Catalin Marinas
2013-12-05 15:59 ` Catalin Marinas
2013-12-05 15:59 ` Catalin Marinas
2013-12-06 14:34 ` Mark Salter
2013-12-06 14:34 ` Mark Salter
2013-12-06 14:34 ` Mark Salter
2013-12-09 13:52 ` Leif Lindholm
2013-12-09 13:52 ` Leif Lindholm
2013-12-09 13:52 ` Leif Lindholm
[not found] ` <20131209135158.GH24997-GZEopFhza0F985/tl1ce8aaDwS/vmuI7@public.gmane.org>
2013-12-10 17:58 ` Mark Salter
2013-12-10 17:58 ` Mark Salter
2013-12-10 17:58 ` Mark Salter
[not found] ` < 1385762712-17043-3-git-send-email-msalter@redhat.com>
[not found] ` <1385762712-17043-3-git-send-email-msalter-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2013-12-05 12:53 ` [PATCH 2/3] doc: arm64: add description of EFI stub support Grant Likely
2013-12-05 12:53 ` Grant Likely
2013-12-05 12:53 ` Grant Likely
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