diff options
Diffstat (limited to 'arch/blackfin/mach-bf561/atomic.S')
| -rw-r--r-- | arch/blackfin/mach-bf561/atomic.S | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/arch/blackfin/mach-bf561/atomic.S b/arch/blackfin/mach-bf561/atomic.S index 9439bc6bd01..f99f174b129 100644 --- a/arch/blackfin/mach-bf561/atomic.S +++ b/arch/blackfin/mach-bf561/atomic.S @@ -1,23 +1,8 @@ /* - * File: arch/blackfin/mach-bf561/atomic.S - * Author: Philippe Gerum <rpm@xenomai.org> + * Copyright 2007-2008 Analog Devices Inc. + * Philippe Gerum <rpm@xenomai.org> * - * Copyright 2007 Analog Devices Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + * Licensed under the GPL-2 or later. */ #include <linux/linkage.h> @@ -34,6 +19,16 @@ \reg\().h = _corelock; .endm +.macro safe_testset addr:req, scratch:req +#if ANOMALY_05000477 + cli \scratch; + testset (\addr); + sti \scratch; +#else + testset (\addr); +#endif +.endm + /* * r0 = address of atomic data to flush and invalidate (32bit). * @@ -48,7 +43,7 @@ ENTRY(_get_core_lock) cli r0; coreslot_loadaddr p0; .Lretry_corelock: - testset (p0); + safe_testset p0, r2; if cc jump .Ldone_corelock; SSYNC(r2); jump .Lretry_corelock @@ -71,7 +66,7 @@ ENTRY(_get_core_lock_noflush) cli r0; coreslot_loadaddr p0; .Lretry_corelock_noflush: - testset (p0); + safe_testset p0, r2; if cc jump .Ldone_corelock_noflush; SSYNC(r2); jump .Lretry_corelock_noflush |