diff options
Diffstat (limited to 'cpukit/score/cpu/arm/__aeabi_read_tp.c')
-rw-r--r-- | cpukit/score/cpu/arm/__aeabi_read_tp.c | 45 |
1 files changed, 33 insertions, 12 deletions
diff --git a/cpukit/score/cpu/arm/__aeabi_read_tp.c b/cpukit/score/cpu/arm/__aeabi_read_tp.c index 22acc770e3..0f4eba8d9a 100644 --- a/cpukit/score/cpu/arm/__aeabi_read_tp.c +++ b/cpukit/score/cpu/arm/__aeabi_read_tp.c @@ -1,15 +1,36 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSScoreCPUARM + * + * @brief This source file contains the implementation of __aeabi_read_tp(). + */ + /* - * Copyright (c) 2014 embedded brains GmbH. All rights reserved. + * Copyright (c) 2014 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Obere Lagerstr. 30 - * 82178 Puchheim - * Germany - * <rtems@embedded-brains.de> + * 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. * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.org/license/LICENSE. + * 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. */ #ifdef HAVE_CONFIG_H @@ -29,15 +50,15 @@ void __attribute__((naked)) __aeabi_read_tp(void) "ldr r0, =_Per_CPU_Information\n" "ldr r0, [r0, %[executingoff]]\n" #if defined(__thumb__) && !defined(__thumb2__) - "add r0, %[tlsareaoff]\n" + "add r0, %[threadidoff]\n" "ldr r0, [r0]\n" #else - "ldr r0, [r0, %[tlsareaoff]]\n" + "ldr r0, [r0, %[threadidoff]]\n" #endif "bx lr\n" : : [executingoff] "I" (offsetof(Per_CPU_Control, executing)), - [tlsareaoff] "I" (offsetof(Thread_Control, Start.tls_area)) + [threadidoff] "I" (offsetof(Thread_Control, Registers.thread_id)) ); } |