Date: Mon, 4 Jul 2016 09:46:33 +0900 (JST) From: Mori Hiroki <yamori813@yahoo.co.jp> To: "freebsd-arm@freebsd.org" <freebsd-arm@freebsd.org> Subject: How to change gcc from clang at build kernel and world? Message-ID: <800231.77121.qm@web101710.mail.ssk.yahoo.co.jp>
next in thread | raw e-mail | index | archive | help
Hi.=0A=0AI make support Eventtimer and FDT and INTRNG to cns11xx code.=0A= =0AThis is almost done. But hang up at init. I think it's a interrupt issue= .=0A=0Ahttps://gist.github.com/yamori813/ae047a28a825aac255e436fd8ccaf785= =0A=0A=0Ahttps://github.com/yamori813/freebsd/tree/zrouter/sys/arm/cavium/c= ns11xx=0A=0A=0Acns11xx is arm4(not arm4t). =A0arm build on head is change t= o use clang=0Aseveral month ago.=A0I want use gcc at buildworld and buildke= rnel.=0A=0ABecause of clang use bx instruction. bx instruction not support = arm4.=0A=0AHow do I change to gcc from clang?=0A=0AI found bx=A0instruction= =A0at=A0=0A=0Acontrib/compiler-rt/lib/builtins/arm/=0A=0AIt must be changed= bx to mov instruction.=0A=0ARegards.=0A=0AHiroki Mori=0A From owner-freebsd-arm@freebsd.org Mon Jul 4 02:33:49 2016 Return-Path: <owner-freebsd-arm@freebsd.org> Delivered-To: freebsd-arm@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id EF024B9068D for <freebsd-arm@mailman.ysv.freebsd.org>; Mon, 4 Jul 2016 02:33:49 +0000 (UTC) (envelope-from db@db.net) Received: from diana.db.net (unknown [IPv6:2620:64:0:1:223:7dff:fea2:c8f2]) by mx1.freebsd.org (Postfix) with ESMTP id E13D82047 for <freebsd-arm@FreeBSD.org>; Mon, 4 Jul 2016 02:33:49 +0000 (UTC) (envelope-from db@db.net) Received: from night.db.net (localhost [127.0.0.1]) by diana.db.net (Postfix) with ESMTP id 1771E2AA3A4 for <freebsd-arm@FreeBSD.org>; Sun, 3 Jul 2016 20:33:02 -0600 (MDT) Received: by night.db.net (Postfix, from userid 1000) id C72DE1CDE4; Sun, 3 Jul 2016 22:33:39 -0400 (EDT) Date: Sun, 3 Jul 2016 22:33:39 -0400 From: Diane Bruce <db@db.net> To: freebsd-arm@FreeBSD.org Subject: RPI 3 Message-ID: <20160704023339.GA17333@night.db.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.6.1 (2016-04-27) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: "Porting FreeBSD to ARM processors." <freebsd-arm.freebsd.org> List-Unsubscribe: <https://lists.freebsd.org/mailman/options/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arm/>; List-Post: <mailto:freebsd-arm@freebsd.org> List-Help: <mailto:freebsd-arm-request@freebsd.org?subject=help> List-Subscribe: <https://lists.freebsd.org/mailman/listinfo/freebsd-arm>, <mailto:freebsd-arm-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 04 Jul 2016 02:33:50 -0000 I've been poking at the RPi 3 using source and image from hardened BSD via Sean Webb trying to get our head of tree to boot RPi3 ======= This works from hardened BSD N.B. I added the printf("ZZz cninit!\n"); after the cninit(); FreeBSD Raspberry Pi 3 loader Booting kernel at 0x200000, size 9787000 DTB: 0xc47000 0xffffff8000a47000 entry: 0x201000 9400003d ffffff8000a4a000 ZZZ cninit! KDB: debugger backends: ddb KDB: current backend: ddb Copyright (c) 2013-2016 The HardenedBSD Project. ... a readelf on working hardened bsd kernel readelf -a kernel Entry point address: 0xffffff8000001000 ======= Non working from head FreeBSD Raspberry Pi 3 loader Booting kernel at 0x200000, size 9539832 DTB: 0xc0b000 0xffffff8000a0b000 N.B. *no* print out of entry readelf -a kernel Entry point address: 0xffff000000001000 Doing objcopy kernel kernel.fix --set-start=0xffffff8000001000 readelf -a kernel.fix Entry point address: 0xffffff8000001000 using kernel.fix with rpi3 boot FreeBSD Raspberry Pi 3 loader Booting kernel at 0x200000, size 9539832 DTB: 0xc0b000 0xffffff8000a0b000 entry: 0x201000 94000037 ffffff8000a0e000 *NOW* shows printout of "entry: " line but still does not boot. ====== Still tracking this down. -- - db@FreeBSD.org db@db.net http://www.db.net/~db
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?800231.77121.qm>