From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) by mx.groups.io with SMTP id smtpd.web10.3904.1649411331061562554 for ; Fri, 08 Apr 2022 02:48:51 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@redhat.com header.s=mimecast20190719 header.b=VzVM3yy5; spf=pass (domain: redhat.com, ip: 170.10.129.124, mailfrom: kraxel@redhat.com) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649411330; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=iozh71xm9c6TGdiJLknwGPuB4RN8YEsbezsroYWS35k=; b=VzVM3yy5ZhIvgIVAqnmrqSTjG3EUtq8e5HDLP00fefJ36nSZCJrryTRLD69LNGrX+Ml5Qf w4lxcKP+reVMkdvOJWtHQcWogZYdLaMrk1T2RIasmXAboGuvfqdlj511cdqgpfv8bKO0Sz YMKPfmW1zt61qOtT8sXVR8ZfDdDNT0o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-97-Hs6HCd4xMgC1jMaz0KG5Aw-1; Fri, 08 Apr 2022 05:48:46 -0400 X-MC-Unique: Hs6HCd4xMgC1jMaz0KG5Aw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.rdu2.redhat.com [10.11.54.6]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 8930C1014A63; Fri, 8 Apr 2022 09:48:46 +0000 (UTC) Received: from sirius.home.kraxel.org (unknown [10.39.192.9]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 2FD112166BA3; Fri, 8 Apr 2022 09:48:44 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 963F0180062D; Fri, 8 Apr 2022 11:48:42 +0200 (CEST) Date: Fri, 8 Apr 2022 11:48:42 +0200 From: "Gerd Hoffmann" To: Laszlo Ersek Cc: devel@edk2.groups.io, "Ramesh R." , Sivaraman Nainar , manickavasakam karpagavinayagam Subject: Re: [edk2-devel] Intel NUC platform firmware -- no serial I/O support? Message-ID: <20220408094842.7fqkznxoukm3uvbm@sirius.home.kraxel.org> References: <4c8d982a-97b0-654c-c6db-9a55b95330b5@redhat.com> <20220407080008.o2qmtum4sxzw5zfo@sirius.home.kraxel.org> <20220407125015.bkz5e755mpvzdm3g@sirius.home.kraxel.org> MIME-Version: 1.0 In-Reply-To: X-Scanned-By: MIMEDefang 2.78 on 10.11.54.6 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=kraxel@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Hi, > And It Just Works (TM), with the following two commands in the UEFI > shell (after I copied the binaries to the USB stick, alongside the UEFI > Shell binary I built earlier): > > > Shell> fs0: > > FS0:\> cd efi\boot > > FS0:\efi\boot\> load SerialDxe.efi > > Image 'FS0:\EFI\BOOT\SerialDxe.efi' loaded at 2C801000 - Success > > FS0:\efi\boot\> load TerminalDxe.efi > > Image 'FS0:\EFI\BOOT\TerminalDxe.efi' loaded at 2C7FB000 - Success > > FS0:\efi\boot\> > > At this point, the UEFI console is properly multiplexed to both serial > and HDMI+USB. Neat. /me makes a mental note that one can load drivers like this. Can this be automated to run on each boot? With a startup.nsh script? take care, Gerd