From owner-freebsd-current@freebsd.org Wed Jun 17 18:12:13 2020 Return-Path: Delivered-To: freebsd-current@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id D3A93356DFD for ; Wed, 17 Jun 2020 18:12:13 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: from mail-qt1-x82c.google.com (mail-qt1-x82c.google.com [IPv6:2607:f8b0:4864:20::82c]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49nCp46rLSz4Gx5 for ; Wed, 17 Jun 2020 18:12:12 +0000 (UTC) (envelope-from wlosh@bsdimp.com) Received: by mail-qt1-x82c.google.com with SMTP id e16so2313063qtg.0 for ; Wed, 17 Jun 2020 11:12:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bsdimp-com.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=Q8tqhac32KQ7Qa6+sJq6Nf0MdoJcBnQMRPx6+FxTKbw=; b=waMfomtlbPhipZ7P98ho3VPpdVPRhJ2R+T6P86/s3/iuaghgjP50KKVvtZv2IfNIs6 sC/kLhjBJRgCKCbXoywgZlom00xkZ4R9ymOaCK1INcv/Kf9IndFuMpxkwCxbQ7xmencE uWtV6TRPtg094a3GH0i2G75c/uFew4xnI+y/qLepfHITmtEa1j8r99hew8/CrFPQB6rE ydBXkX+9fBE+YThC08Hu8ckM8rDoCSU2wvWm31KeSqHTdWTyTjkAsGh2zHCoEqJof4mP TK+YDELB0z0oaZJZu4lB7/pkUBMOW8dp5yF1oqxHp197y5301yZU3chbgNDscRGOFFOz BB6A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=Q8tqhac32KQ7Qa6+sJq6Nf0MdoJcBnQMRPx6+FxTKbw=; b=Ow8Rn+gg8DJ/jRHwQVJs7Kp6k36cOg4f6FEfVqcV3Nk0O/HJ7OZzef6p8xhLEjlmxc seEqID0kQRn53h5T42vGxN1Jwp1gAVJ82FZOHoWDZObJZZkVFQ/d4gT9A7dlhLNr/Rqt Dk903ocJYvhkKg2Pg7ofwSZrTcY2W7aMQ2FMisT/qLvKdH117bMr3abMdrRK8qDrhhm2 ALzRd1YEpGfXjkxttp3cL/OooCtliFvUc37fYnERaANarhuigMh9d+ZWiLF4Dk0SqkOi VkCkZShAi0D/kvrwCNt0WxSd3RSzyqtOk3YPPvLuWo7W/JsNePZ3eCYpYcdGFOIqJh18 9FVw== X-Gm-Message-State: AOAM533CQoSo+EpK/Im752ADUB7FaOiHqF6PE27iXPIY5HqUFnZeSUDz ZROEXgMVeg5x+KdwoPVFMgFzCZKPrthRb5XMERnJCw== X-Google-Smtp-Source: ABdhPJzCFgE3CsdISNvIzyqJOVkvgydDJIT3btAJnxU8LFFCzIKGTUopldRqUSlGvSiaJllYjLCk2K8FLYPoQgAJ8HE= X-Received: by 2002:ac8:4b71:: with SMTP id g17mr315993qts.187.1592417531596; Wed, 17 Jun 2020 11:12:11 -0700 (PDT) MIME-Version: 1.0 References: <202006171740.05HHecjX086405@gndrsh.dnsmgr.net> <05B13267-8CE6-452F-A969-C37DE22E640A@bsdio.com> In-Reply-To: <05B13267-8CE6-452F-A969-C37DE22E640A@bsdio.com> From: Warner Losh Date: Wed, 17 Jun 2020 12:12:00 -0600 Message-ID: Subject: Re: CTF: UEFI HTTP boot support To: Rebecca Cran Cc: "Rodney W. Grimes" , Miguel C , FreeBSD Current X-Rspamd-Queue-Id: 49nCp46rLSz4Gx5 X-Spamd-Bar: - Authentication-Results: mx1.freebsd.org; dkim=pass header.d=bsdimp-com.20150623.gappssmtp.com header.s=20150623 header.b=waMfomtl; dmarc=none; spf=none (mx1.freebsd.org: domain of wlosh@bsdimp.com has no SPF policy when checking 2607:f8b0:4864:20::82c) smtp.mailfrom=wlosh@bsdimp.com X-Spamd-Result: default: False [-1.57 / 15.00]; RCVD_TLS_ALL(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[bsdimp-com.20150623.gappssmtp.com:s=20150623]; NEURAL_HAM_MEDIUM(-0.38)[-0.376]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; NEURAL_HAM_LONG(-0.98)[-0.981]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-current@freebsd.org]; DMARC_NA(0.00)[bsdimp.com]; TO_MATCH_ENVRCPT_SOME(0.00)[]; TO_DN_ALL(0.00)[]; DKIM_TRACE(0.00)[bsdimp-com.20150623.gappssmtp.com:+]; NEURAL_HAM_SHORT(-0.21)[-0.212]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::82c:from]; R_SPF_NA(0.00)[no SPF record]; FORGED_SENDER(0.30)[imp@bsdimp.com,wlosh@bsdimp.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; RCVD_COUNT_TWO(0.00)[2]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; FROM_NEQ_ENVFROM(0.00)[imp@bsdimp.com,wlosh@bsdimp.com]; FREEMAIL_CC(0.00)[gndrsh.dnsmgr.net,gmail.com,freebsd.org] Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jun 2020 18:12:13 -0000 On Wed, Jun 17, 2020 at 12:06 PM Rebecca Cran wrote: > > > On Jun 17, 2020, at 11:40 AM, Rodney W. Grimes < > freebsd-rwg@gndrsh.dnsmgr.net> wrote: > > > > Does FreeBSD kernel have a driver that can talk to the UEFI ramdisk? > > I=E2=80=99m fairly sure UEFI generates it as a standard CD drive. > I missed the start of this thread, so maybe I'm missing a key detail. However, I thought UEFI didn't have a RAM-disk, per se, but that we could load memory areas and pass that into the kernel using freebsd-only methods. But UEFI is a bit weird, so maybe it will generate a virtual cdrom... Warner