From owner-svn-src-head@freebsd.org Thu Dec 24 06:22:43 2015 Return-Path: Delivered-To: svn-src-head@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 4AE74A4FC13; Thu, 24 Dec 2015 06:22:43 +0000 (UTC) (envelope-from jhb@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 mx1.freebsd.org (Postfix) with ESMTPS id 226DC18A3; Thu, 24 Dec 2015 06:22:43 +0000 (UTC) (envelope-from jhb@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id tBO6MgVG039132; Thu, 24 Dec 2015 06:22:42 GMT (envelope-from jhb@FreeBSD.org) Received: (from jhb@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id tBO6MgKZ039129; Thu, 24 Dec 2015 06:22:42 GMT (envelope-from jhb@FreeBSD.org) Message-Id: <201512240622.tBO6MgKZ039129@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: jhb set sender to jhb@FreeBSD.org using -f From: John Baldwin Date: Thu, 24 Dec 2015 06:22:42 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r292682 - in head/sys/boot: i386/zfsboot pc98/boot2 pc98/libpc98 X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.20 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: Thu, 24 Dec 2015 06:22:43 -0000 Author: jhb Date: Thu Dec 24 06:22:41 2015 New Revision: 292682 URL: https://svnweb.freebsd.org/changeset/base/292682 Log: Fix remaining direct tests of the carry flag in the v86 %eflags via a magic number to use V86_CY() instead. These should have been fixed as part of the cleanup in r226746 but were missed. The md5 sums of the object files were unchanged, so there should be no functional change. PR: 205424 Submitted by: Alexander Kuleshov MFC after: 1 week Modified: head/sys/boot/i386/zfsboot/zfsboot.c head/sys/boot/pc98/boot2/boot2.c head/sys/boot/pc98/libpc98/biosdisk.c Modified: head/sys/boot/i386/zfsboot/zfsboot.c ============================================================================== --- head/sys/boot/i386/zfsboot/zfsboot.c Thu Dec 24 04:37:19 2015 (r292681) +++ head/sys/boot/i386/zfsboot/zfsboot.c Thu Dec 24 06:22:41 2015 (r292682) @@ -238,7 +238,7 @@ bios_getmem(void) v86.es = VTOPSEG(&smap); v86.edi = VTOPOFF(&smap); v86int(); - if ((v86.efl & 1) || (v86.eax != SMAP_SIG)) + if (V86_CY(v86.efl) || (v86.eax != SMAP_SIG)) break; /* look for a low-memory segment that's large enough */ if ((smap.type == SMAP_TYPE_MEMORY) && (smap.base == 0) && @@ -285,7 +285,7 @@ bios_getmem(void) v86.addr = 0x15; /* int 0x15 function 0xe801*/ v86.eax = 0xe801; v86int(); - if (!(v86.efl & 1)) { + if (!V86_CY(v86.efl)) { bios_extmem = ((v86.ecx & 0xffff) + ((v86.edx & 0xffff) * 64)) * 1024; } } @@ -320,7 +320,7 @@ int13probe(int drive) v86.edx = drive; v86int(); - if (!(v86.efl & 0x1) && /* carry clear */ + if (!V86_CY(v86.efl) && /* carry clear */ ((v86.edx & 0xff) != (drive & DRV_MASK))) { /* unit # OK */ if ((v86.ecx & 0x3f) == 0) { /* absurd sector size */ return(0); /* skip device */ Modified: head/sys/boot/pc98/boot2/boot2.c ============================================================================== --- head/sys/boot/pc98/boot2/boot2.c Thu Dec 24 04:37:19 2015 (r292681) +++ head/sys/boot/pc98/boot2/boot2.c Thu Dec 24 06:22:41 2015 (r292682) @@ -327,7 +327,7 @@ bd_getbigeom(int bunit) v86.addr = 0x1b; v86.eax = 0x8400 | unit; v86int(); - if (v86.efl & 0x1) + if (V86_CY(v86.efl)) return 0x4F020F; /* 1200KB FD C:80 H:2 S:15 */ return ((v86.ecx & 0xffff) << 16) | (v86.edx & 0xffff); } Modified: head/sys/boot/pc98/libpc98/biosdisk.c ============================================================================== --- head/sys/boot/pc98/libpc98/biosdisk.c Thu Dec 24 04:37:19 2015 (r292681) +++ head/sys/boot/pc98/libpc98/biosdisk.c Thu Dec 24 06:22:41 2015 (r292682) @@ -824,7 +824,7 @@ bd_chs_io(struct open_disk *od, daddr_t v86.es = VTOPSEG(dest); v86.ebp = VTOPOFF(dest); v86int(); - return (v86.efl & 0x1); + return (V86_CY(v86.efl)); } static int @@ -959,7 +959,7 @@ bd_getgeom(struct open_disk *od) od->od_cyl = v86.ecx; od->od_hds = (v86.edx >> 8) & 0xff; od->od_sec = v86.edx & 0xff; - if (v86.efl & 0x1) + if (V86_CY(v86.efl)) return(1); } @@ -1010,7 +1010,7 @@ bd_getbigeom(int bunit) v86.addr = 0x1b; v86.eax = 0x8400 | unit; v86int(); - if (v86.efl & 0x1) + if (V86_CY(v86.efl)) return 0x4F020F; /* 1200KB FD C:80 H:2 S:15 */ return ((v86.ecx & 0xffff) << 16) | (v86.edx & 0xffff); }