diff options
Diffstat (limited to 'cpukit/score/cpu/arm/include/rtems/score/cpu.h')
| -rw-r--r-- | cpukit/score/cpu/arm/include/rtems/score/cpu.h | 60 |
1 files changed, 36 insertions, 24 deletions
diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpu.h b/cpukit/score/cpu/arm/include/rtems/score/cpu.h index b8e3604fbb..a462b48cf1 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/cpu.h +++ b/cpukit/score/cpu/arm/include/rtems/score/cpu.h @@ -1,18 +1,23 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * - * @brief ARM Architecture Support API + * @ingroup RTEMSScoreCPUARM + * + * @brief This header file defines implementation interfaces pertaining to the + * port of the executive to the ARM architecture. */ /* * This include file contains information pertaining to the ARM * processor. * - * Copyright (c) 2009, 2017 embedded brains GmbH + * Copyright (C) 2009, 2017 embedded brains GmbH & Co. KG * * Copyright (c) 2007 Ray Xu <Rayx.cn@gmail.com> * - * Copyright (c) 2006 OAR Corporation + * Copyright (c) 2006 On-Line Applications Research Corporation (OAR) * * Copyright (c) 2002 Advent Networks, Inc. * Jay Monkman <jmonkman@adventnetworks.com> @@ -20,9 +25,26 @@ * COPYRIGHT (c) 2000 Canon Research Centre France SA. * Emmanuel Raguet, mailto:raguet@crf.canon.fr * - * 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. + * 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. * */ @@ -157,9 +179,7 @@ #define CPU_MAXIMUM_PROCESSORS 32 -#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER - #define ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET 44 -#endif +#define ARM_CONTEXT_CONTROL_THREAD_ID_OFFSET 44 #ifdef ARM_MULTILIB_VFP #define ARM_CONTEXT_CONTROL_D8_OFFSET 48 @@ -172,10 +192,8 @@ #ifdef RTEMS_SMP #if defined(ARM_MULTILIB_VFP) #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 112 - #elif defined(ARM_MULTILIB_HAS_THREAD_ID_REGISTER) - #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 48 #else - #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 44 + #define ARM_CONTEXT_CONTROL_IS_EXECUTING_OFFSET 48 #endif #endif @@ -221,9 +239,7 @@ typedef struct { #else void *register_sp; #endif -#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER uint32_t thread_id; -#endif #ifdef ARM_MULTILIB_VFP uint64_t register_d8; uint64_t register_d9; @@ -383,7 +399,7 @@ static inline void arm_interrupt_flash( uint32_t level ) #define _CPU_ISR_Flash( _isr_cookie ) \ arm_interrupt_flash( _isr_cookie ) -RTEMS_INLINE_ROUTINE bool _CPU_ISR_Is_enabled( uint32_t level ) +static inline bool _CPU_ISR_Is_enabled( uint32_t level ) { #if defined(ARM_MULTILIB_ARCH_V4) return ( level & 0x80 ) == 0; @@ -424,6 +440,10 @@ void _CPU_Context_Initialize( { context->is_executing = is_executing; } + + RTEMS_NO_RETURN void _ARM_Start_multitasking( Context_Control *heir ); + + #define _CPU_Start_multitasking( _heir ) _ARM_Start_multitasking( _heir ) #endif #define _CPU_Context_Restart_self( _the_context ) \ @@ -551,14 +571,6 @@ uint32_t _CPU_Counter_frequency( void ); CPU_Counter_ticks _CPU_Counter_read( void ); -static inline CPU_Counter_ticks _CPU_Counter_difference( - CPU_Counter_ticks second, - CPU_Counter_ticks first -) -{ - return second - first; -} - void *_CPU_Thread_Idle_body( uintptr_t ignored ); #if defined(ARM_MULTILIB_ARCH_V4) @@ -573,7 +585,7 @@ typedef enum { ARM_EXCEPTION_IRQ = 6, ARM_EXCEPTION_FIQ = 7, MAX_EXCEPTIONS = 8, - ARM_EXCEPTION_MAKE_ENUM_32_BIT = 0xffffffff + ARM_EXCEPTION_MAKE_ENUM_32_BIT = 0x7fffffff } Arm_symbolic_exception_name; #endif /* defined(ARM_MULTILIB_ARCH_V4) */ |