From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <jun.nie@linaro.org>
Received: from mail-qt0-x22b.google.com (mail-qt0-x22b.google.com
 [IPv6:2607:f8b0:400d:c0d::22b])
 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits))
 (No client certificate requested)
 by ml01.01.org (Postfix) with ESMTPS id 97BCC81F4B
 for <edk2-devel@lists.01.org>; Thu,  9 Feb 2017 06:05:51 -0800 (PST)
Received: by mail-qt0-x22b.google.com with SMTP id v23so4511477qtb.0
 for <edk2-devel@lists.01.org>; Thu, 09 Feb 2017 06:05:51 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google;
 h=mime-version:in-reply-to:references:from:date:message-id:subject:to;
 bh=C6PIINVNRjKGQ1LClgrRVjxlEVREOXUpTg4exA6vRMs=;
 b=f7oPQ+6rBuzjxAfluiJr8gOazOqThV4wdof4tVGzEVPmxlgdGlYA1txZwyBLVJkfn1
 hcECRRQstl2+gYOwvTU/SCKpABlwRkseXr11uEpqd19FCB71Y3LaAII/g1W+EbIu5Ip3
 R658MRvwJmov6+G0c6g9sj/HE09yjfD95bJdU=
X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
 d=1e100.net; s=20161025;
 h=x-gm-message-state:mime-version:in-reply-to:references:from:date
 :message-id:subject:to;
 bh=C6PIINVNRjKGQ1LClgrRVjxlEVREOXUpTg4exA6vRMs=;
 b=G1yR9x7oOjMld0WjGSyke2hXJBrZbURd7Ty3JAuduSc5aF5UJJ5U2ZvOhDrpyNcOD9
 twb7JJGnsbgD60D8lqkLfdHxAUunwldIoEUkYP4nqSxATZuHVPc5uiLBKVFGn3Cpc0qb
 pbhmh5B2J5tiFNE/s5NBFrljXSBIPTHAy/+aDPxyYdq1GaWloxlf8uTDsBY1ytxKcL/b
 p34KAojktiOHKr6PjnPDbsArAMlBq5OgJgi47L/Wk/SIsfsjiFdMuYJHS5YwguY/28sK
 dApwhAzaUBzD+e7bF03o4vxtw1a7+yAAC76dh85/udH7xTEOuBxdmQALKgOipIg0MuRn
 FRDg==
X-Gm-Message-State: AMke39lyzFLEmerAASFPEzQlYIO1mPEp6c7lDhpKiazC4GwNNx7nFFLTQDo2cx7YGQgriXQ3cZQ2gz6EEjL/ggyR
X-Received: by 10.200.34.12 with SMTP id o12mr2907040qto.93.1486649150621;
 Thu, 09 Feb 2017 06:05:50 -0800 (PST)
MIME-Version: 1.0
Received: by 10.55.112.1 with HTTP; Thu, 9 Feb 2017 06:05:50 -0800 (PST)
In-Reply-To: <CABymUCMj37yh5MWH+pHjqV4W3trghhVqmeanAihT5-uWrEP3=g@mail.gmail.com>
References: <CABymUCMj37yh5MWH+pHjqV4W3trghhVqmeanAihT5-uWrEP3=g@mail.gmail.com>
From: Jun Nie <jun.nie@linaro.org>
Date: Thu, 9 Feb 2017 22:05:50 +0800
Message-ID: <CABymUCMxN1=fqpkOO+O9e50PjX_ZZKSECc0bDb_L7QTom9vxyQ@mail.gmail.com>
To: linaro-uefi@lists.linaro.org, edk2-devel@lists.01.org, Ronald.Cron@arm.com,
 Leif Lindholm <leif.lindholm@linaro.org>
Subject: Re: UEFI LinuxLoader app usage
X-BeenThere: edk2-devel@lists.01.org
X-Mailman-Version: 2.1.21
Precedence: list
List-Id: EDK II Development  <edk2-devel.lists.01.org>
List-Unsubscribe: <https://lists.01.org/mailman/options/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=unsubscribe>
List-Archive: <http://lists.01.org/pipermail/edk2-devel/>
List-Post: <mailto:edk2-devel@lists.01.org>
List-Help: <mailto:edk2-devel-request@lists.01.org?subject=help>
List-Subscribe: <https://lists.01.org/mailman/listinfo/edk2-devel>,
 <mailto:edk2-devel-request@lists.01.org?subject=subscribe>
X-List-Received-Date: Thu, 09 Feb 2017 14:05:51 -0000
Content-Type: text/plain; charset=UTF-8

2017-02-09 21:44 GMT+08:00 Jun Nie <jun.nie@linaro.org>:
>  I am new to UEFI and trying to boot Linux with LinuxLoader app. But I
> cannot find detail information for below questions. Could anyone point
> out where I can find related information or example code? Thanks for
> your time!
>
> 1. How to feed command line to this app so that ProcessAppCommandLine() can
> process it?
I know this app support parsing command line from shell. I am seeking
method to launch this app from BDS directly without shell but cannot
find where to specify value to LoadedImage->LoadOptions so that this
app can get command line from it.

>
> 2. And how should I generate  device path string for raw blockIO
> device with specified offset/size? UEFI 2.6 spec does not provide much
> information in 9.4.5 Media Device Path Rules.
>
> Thank you!
> Jun