From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received-SPF: Pass (sender SPF authorized) identity=mailfrom; client-ip=2607:f8b0:400e:c00::244; helo=mail-pf0-x244.google.com; envelope-from=heyi.guo@linaro.org; receiver=edk2-devel@lists.01.org Received: from mail-pf0-x244.google.com (mail-pf0-x244.google.com [IPv6:2607:f8b0:400e:c00::244]) (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 3CD78210D212D for ; Fri, 22 Jun 2018 05:58:17 -0700 (PDT) Received: by mail-pf0-x244.google.com with SMTP id a11-v6so3188417pff.8 for ; Fri, 22 Jun 2018 05:58:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:date:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=0CJ2YIA8EH5uRgozaGxcXZy7vCY3+NqywYB0wrdDLXw=; b=B1ECT9UM2gjCfubA5MdkYkvWDocfeRsnjmFJL9C7PUqrKAl11/Ea78qZTLdoNh6oFx 5Rc2A59PBb7uO5GxC8nbTjC9w+NszLsowrYAUb04Xw6B8VxOJnrpwQKsfOd6Rq2EFcvW QLKkJdMbgmLSikEztpUg8hQiMmOPyBo4Rz3Yc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:date:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=0CJ2YIA8EH5uRgozaGxcXZy7vCY3+NqywYB0wrdDLXw=; b=d4kRwdNimmkQpxIFr6EpVNYtEoNJUL4CDhYwhkymOiqpI4mGQK/9KhBeJOjR+avgam sTqOuYiUCLNfYHRuu2SucbQDQBY0s8HuIzdUwXZ/iO0U+ZI7kcdnWhUIJvK8BzrxEU8A EKgbaR5v96JA+UPPpVfaj9eckQA4+DAfqRtF0Co3NESF5EKNrlf/NjRh5sNRtbbm1n4K ykM8UgW4Cfh2Cu2fFxzOwBvbe0i1mB1vdY2KkkJYL7kv24diAhLy/JaWUpcNxza8bSgr KsnlPt6iNzKOoulB+hm7veHqzcGpY2FM9kMM1nuQ+fmO95kV+t7gwKrjqPk9j/zKW/mu KP5w== X-Gm-Message-State: APt69E1ohM5aGAXJ0ayIR1iRi3/Jii0ePmCmMIFXDGgzSDg1TbY55NF4 ZtgCU4EC6bb2zACErvRh+qwXIQ== X-Google-Smtp-Source: ADUXVKJ6xVKML53mWW4Xgcn2CklPDN4sw/HX6GrXIWJvnwyNUgBGaFJbtf9G7fqf4Buvj87ulrS0Ew== X-Received: by 2002:a62:6f86:: with SMTP id k128-v6mr1660903pfc.150.1529672296891; Fri, 22 Jun 2018 05:58:16 -0700 (PDT) Received: from iwish ([104.237.86.27]) by smtp.gmail.com with ESMTPSA id b15-v6sm9566718pgu.54.2018.06.22.05.58.09 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 22 Jun 2018 05:58:15 -0700 (PDT) From: gary guo X-Google-Original-From: gary guo Date: Fri, 22 Jun 2018 20:58:01 +0800 To: Ard Biesheuvel Cc: Guo Heyi , Leif Lindholm , "edk2-devel@lists.01.org" , Michael D Kinney , Haojian Zhuang Message-ID: <20180622125801.GA2437@iwish> References: <20180328010531.GA69547@SZX1000114654> <20180329002050.GB97590@SZX1000114654> <20180331013747.GA106704@SZX1000114654> <20180413020553.GB119834@SZX1000114654> <20180416135709.GA122959@SZX1000114654> <20180417012044.GA123329@SZX1000114654> MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.9.1 (2017-09-22) Subject: Re: [PATCH edk2-platforms 00/12] Hisilicon/D0x: Switch to generic PciHostBridge X-BeenThere: edk2-devel@lists.01.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: EDK II Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Jun 2018 12:58:17 -0000 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Sure. A little busy these days; I'll do that ASAP. Thanks, Heyi On Thu, Jun 07, 2018 at 01:11:59PM +0200, Ard Biesheuvel wrote: > On 17 April 2018 at 03:20, Guo Heyi wrote: > > Hi Ard, > > > > I tested mm -io on D05, for root bridge 4 with CPU IO address starting from > > 0x8_abff0000, and it worked; both mm -io 0x8abff0000 and mm 0x8abff0000 provided > > the same output. It seems there is no other limit for 64bit IO address after you > > fixed the issue in EFI shell mm command. > > > > OK, so I think this is fine after all, even if my uneasy feeling > hasn't gone away :-) > > Could you please resend the latest rebased version of the patches? > (and include the ATU fix as well) > > > > On Mon, Apr 16, 2018 at 09:57:09PM +0800, Guo Heyi wrote: > >> Thanks, I will test mm command and let you know the result. > >> > >> Regards, > >> > >> Heyi > >> > >> On Fri, Apr 13, 2018 at 09:19:53AM +0200, Ard Biesheuvel wrote: > >> > On 13 April 2018 at 04:05, Guo Heyi wrote: > >> > > Hi Ard, > >> > > > >> > > Any comments? > >> > > > >> > > >> > Apologies for the delay. I have been travelling and am behind on email. > >> > > >> > > Anyway we can modify the code if you insist on using an intermediate CPU IO > >> > > address space. > >> > > > >> > > >> > I have not made up my mind yet, to be honest. I agree there is a > >> > certain elegance to merging both translations, but I am concerned that > >> > existing EDK2 code may deal poorly with I/O addresses that require > >> > more than 32 bits to express. > >> > > >> > Did you try the mm command in the shell for instance? As you know, I > >> > recently removed an artificial address range limit there, but I wonder > >> > if it uses 64-bit variables for I/O ports.