From owner-svn-src-head@freebsd.org Tue Feb 27 19:38:49 2018 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id DD65AF2144C; Tue, 27 Feb 2018 19:38:49 +0000 (UTC) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (br1.CN84in.dnsmgr.net [69.59.192.140]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 312116B988; Tue, 27 Feb 2018 19:38:48 +0000 (UTC) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: from pdx.rh.CN85.dnsmgr.net (localhost [127.0.0.1]) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3) with ESMTP id w1RJceRb016761; Tue, 27 Feb 2018 11:38:40 -0800 (PST) (envelope-from freebsd@pdx.rh.CN85.dnsmgr.net) Received: (from freebsd@localhost) by pdx.rh.CN85.dnsmgr.net (8.13.3/8.13.3/Submit) id w1RJcebu016760; Tue, 27 Feb 2018 11:38:40 -0800 (PST) (envelope-from freebsd) From: "Rodney W. Grimes" Message-Id: <201802271938.w1RJcebu016760@pdx.rh.CN85.dnsmgr.net> Subject: Re: svn commit: r330004 - in head/stand: . arm efi forth i386 mips powerpc sparc64 In-Reply-To: <1613436.oZ5flIo0b9@ralph.baldwin.cx> To: John Baldwin Date: Tue, 27 Feb 2018 11:38:40 -0800 (PST) CC: Kyle Evans , Warner Losh , src-committers , svn-src-all@freebsd.org, svn-src-head@freebsd.org Reply-To: rgrimes@freebsd.org X-Mailer: ELM [version 2.4ME+ PL121h (25)] MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset=US-ASCII X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 27 Feb 2018 19:38:50 -0000 > On Tuesday, February 27, 2018 09:28:49 AM Kyle Evans wrote: > > On Sun, Feb 25, 2018 at 9:16 PM, Warner Losh wrote: > > > Author: imp > > > Date: Mon Feb 26 03:16:04 2018 > > > New Revision: 330004 > > > URL: https://svnweb.freebsd.org/changeset/base/330004 > > > > > > Log: > > > Add NO_OBJ to those directories that don't make anything. > > > > > > For directories that don't many anything, add NO_OBJ=t just before we > > > include bsd.init.mk. This prevents them from creating an OBJ > > > directory. In addition, prevent defs.mk from creating the machine > > > related links in these cases. They aren't needed and break, at least > > > on stable, the read-only src tree build. > > > > > > > Any objection to also removing efi from i386 SUBDIR? It seems silly > > to be explicitly adding it when we know nothing here is applicable and > > it's going to take some amount of work to get there. > > Actually, I believe the only thing it needs is for the i386 kernel to > understand the EFI memory map. If you made the i386 EFI loader fake up the > SMAP metadata from the EFI memory map you could probably boot an unmodified > i386 kernel. (It would be better to teach the i386 kernel to handle the EFI > memory map though.) It's more a matter of does someone care enough to > actually get a test environment going to test it. I may have some of the test pieces in place in the form of ipxe32.efi and network booting. I just cant rember which piece of hardware triggered that path in my configuration, I had to force it to legacy bios mode to get it working. > One would also eventually want to teach the i386 kernel about efifb as well > as EFI runtime services, but that shouldn't be strictly required for booting > an i386 kernel via EFI. How much of that could be done in bhyve with a different compile of edk2? -- Rod Grimes rgrimes@freebsd.org