From owner-svn-src-all@freebsd.org Thu Jan 18 07:41:06 2018 Return-Path: Delivered-To: svn-src-all@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 2AB33EBAA3C; Thu, 18 Jan 2018 07:41:06 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 065397E135; Thu, 18 Jan 2018 07:41:06 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 47FFA1B676; Thu, 18 Jan 2018 07:41:05 +0000 (UTC) (envelope-from wma@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w0I7f5qU055309; Thu, 18 Jan 2018 07:41:05 GMT (envelope-from wma@FreeBSD.org) Received: (from wma@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w0I7f5xm055308; Thu, 18 Jan 2018 07:41:05 GMT (envelope-from wma@FreeBSD.org) Message-Id: <201801180741.w0I7f5xm055308@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: wma set sender to wma@FreeBSD.org using -f From: Wojciech Macek Date: Thu, 18 Jan 2018 07:41:05 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r328111 - head/sys/powerpc/powerpc X-SVN-Group: head X-SVN-Commit-Author: wma X-SVN-Commit-Paths: head/sys/powerpc/powerpc X-SVN-Commit-Revision: 328111 X-SVN-Commit-Repository: base MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.25 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Jan 2018 07:41:06 -0000 Author: wma Date: Thu Jan 18 07:41:04 2018 New Revision: 328111 URL: https://svnweb.freebsd.org/changeset/base/328111 Log: PPC: machdep, zero BSS always but BookE Zero BSS always. The only case when this operation is ommitted is when booting on BookE. Created by: Wojciech Macek Obtained from: Semihalf Reviewed by: imp, nwhitehorn Differential revision: https://reviews.freebsd.org/D13948 Sponsored by: QCM Technologies Modified: head/sys/powerpc/powerpc/machdep.c Modified: head/sys/powerpc/powerpc/machdep.c ============================================================================== --- head/sys/powerpc/powerpc/machdep.c Thu Jan 18 07:38:54 2018 (r328110) +++ head/sys/powerpc/powerpc/machdep.c Thu Jan 18 07:41:04 2018 (r328111) @@ -260,6 +260,15 @@ powerpc_init(vm_offset_t fdt, vm_offset_t toc, vm_offs if (mdp_cookie != 0xfb5d104d) mdp = NULL; +#if !defined(BOOKE) + /* + * On BOOKE the BSS is already cleared and some variables + * initialized. Do not wipe them out. + */ + bzero(__sbss_start, __sbss_end - __sbss_start); + bzero(__bss_start, _end - __bss_start); +#endif + #ifdef AIM /* * If running from an FDT, make sure we are in real mode to avoid @@ -293,14 +302,6 @@ powerpc_init(vm_offset_t fdt, vm_offset_t toc, vm_offs #endif } } else { -#if !defined(BOOKE) - /* - * On BOOKE the BSS is already cleared and some variables - * initialized. Do not wipe them out. - */ - bzero(__sbss_start, __sbss_end - __sbss_start); - bzero(__bss_start, _end - __bss_start); -#endif init_static_kenv(init_kenv, sizeof(init_kenv)); ofw_bootargs = true; }