From 28ee86a9b0f2e980beeb637da4f787065c74a39e Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Wed, 27 Apr 2016 11:58:19 +0200 Subject: Import DPAA driver snapshot Imported from Freescale Linux repository git://git.freescale.com/ppc/upstream/linux.git commit 2774c204cd8bfc56a200ff4dcdfc9cdf5b6fc161. Linux compatibility layer is partly from FreeBSD. --- rtemsbsd/powerpc/include/linux/percpu.h | 64 +++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 rtemsbsd/powerpc/include/linux/percpu.h (limited to 'rtemsbsd/powerpc/include/linux/percpu.h') diff --git a/rtemsbsd/powerpc/include/linux/percpu.h b/rtemsbsd/powerpc/include/linux/percpu.h new file mode 100644 index 00000000..73b15a1e --- /dev/null +++ b/rtemsbsd/powerpc/include/linux/percpu.h @@ -0,0 +1,64 @@ +/* + * Copyright (c) 2015 embedded brains GmbH + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _LINUX_PERCPU_H +#define _LINUX_PERCPU_H + +#include + +#include + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +#define DEFINE_PER_CPU(_type, _designator) \ + _type _designator[NR_CPUS] + +#define per_cpu(_designator, _cpu) \ + (_designator[_cpu]) + +#define this_cpu_ptr(_ptr_designator) \ + (&(*_ptr_designator)[_CPU_SMP_Get_current_processor()]) + +#define get_cpu_var(_designator) \ + (*({ Per_CPU_Control *_cpu_self = _Thread_Dispatch_disable(); \ + &_designator[_Per_CPU_Get_index(_cpu_self)]; })) + +#define put_cpu_var(_designator) \ + _Thread_Dispatch_enable(_Per_CPU_Get()) + +#define per_cpu_ptr(_ptr, _index) \ + ((_ptr) + (_index)) + +#define raw_cpu_ptr(_ptr) \ + per_cpu_ptr(_ptr, _CPU_SMP_Get_current_processor()) + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* _LINUX_PERCPU_H */ -- cgit v1.2.3