diff options
Diffstat (limited to 'cpukit/score/cpu/arm/include/rtems/score')
10 files changed, 334 insertions, 89 deletions
diff --git a/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h b/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h index a12bf994f1..36541a97aa 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h +++ b/cpukit/score/cpu/arm/include/rtems/score/aarch32-pmsa.h @@ -10,7 +10,7 @@ */ /* - * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) + * Copyright (C) 2020 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -37,8 +37,7 @@ #ifndef _RTEMS_SCORE_AARCH32_PMSA_H #define _RTEMS_SCORE_AARCH32_PMSA_H -#include <stddef.h> -#include <stdint.h> +#include <rtems/score/basedefs.h> #ifdef __cplusplus extern "C" { @@ -154,7 +153,7 @@ extern "C" { #define AARCH32_PMSA_DATA_READ_WRITE_CACHED \ ( AARCH32_PMSA_ATTR_EN | \ AARCH32_PMSA_ATTR_XN | \ - AARCH32_PMSA_ATTR_AP_EL1_RW_EL0_NO | \ + AARCH32_PMSA_ATTR_AP( AARCH32_PMSA_ATTR_AP_EL1_RW_EL0_NO ) | \ AARCH32_PMSA_ATTR_SH( AARCH32_PMSA_ATTR_SH_NO ) | \ AARCH32_PMSA_ATTR_IDX( 0U ) ) @@ -165,6 +164,13 @@ extern "C" { AARCH32_PMSA_ATTR_SH( AARCH32_PMSA_ATTR_SH_NO ) | \ AARCH32_PMSA_ATTR_IDX( 1U ) ) +#define AARCH32_PMSA_DATA_READ_WRITE_SHARED \ + ( AARCH32_PMSA_ATTR_EN | \ + AARCH32_PMSA_ATTR_XN | \ + AARCH32_PMSA_ATTR_AP( AARCH32_PMSA_ATTR_AP_EL1_RW_EL0_NO ) | \ + AARCH32_PMSA_ATTR_SH( AARCH32_PMSA_ATTR_SH_OUTER ) | \ + AARCH32_PMSA_ATTR_IDX( 1U ) ) + #define AARCH32_PMSA_DEVICE \ ( AARCH32_PMSA_ATTR_EN | \ AARCH32_PMSA_ATTR_XN | \ @@ -172,6 +178,20 @@ extern "C" { AARCH32_PMSA_ATTR_SH( AARCH32_PMSA_ATTR_SH_NO ) | \ AARCH32_PMSA_ATTR_IDX( 2U ) ) +/* + * The Cortex-R52 processor is not coherent and the inner shareability domain + * consists of an individual Cortex-R52 core. Thus for an SMP configuration, + * the read-write data must be configured as Non-cachable and Shareable. The + * outer shareability domain is external to the Cortex-R52 processor. + */ +#if defined(RTEMS_SMP) +#define AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ + AARCH32_PMSA_DATA_READ_WRITE_SHARED +#else +#define AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ + AARCH32_PMSA_DATA_READ_WRITE_CACHED +#endif + /** * @brief The default section definitions shall be used by the BSP to define * ::_AArch32_PMSA_Sections. @@ -187,7 +207,7 @@ extern "C" { }, { \ .begin = (uint32_t) bsp_section_fast_data_begin, \ .end = (uint32_t) bsp_section_fast_data_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_start_begin, \ .end = (uint32_t) bsp_section_start_end, \ @@ -207,23 +227,23 @@ extern "C" { }, { \ .begin = (uint32_t) bsp_section_data_begin, \ .end = (uint32_t) bsp_section_data_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_bss_begin, \ .end = (uint32_t) bsp_section_bss_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_rtemsstack_begin, \ .end = (uint32_t) bsp_section_rtemsstack_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_work_begin, \ .end = (uint32_t) bsp_section_work_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_stack_begin, \ .end = (uint32_t) bsp_section_stack_end, \ - .attributes = AARCH32_PMSA_DATA_READ_WRITE_CACHED \ + .attributes = AARCH32_PMSA_DATA_READ_WRITE_DEFAULT \ }, { \ .begin = (uint32_t) bsp_section_nocache_begin, \ .end = (uint32_t) bsp_section_nocache_end, \ @@ -258,6 +278,33 @@ typedef struct { } AArch32_PMSA_Section; /** + * @brief The region definition is used to configure the Memory Protection + * Unit (MPU). + * + * A region cannot be empty. + */ +typedef struct { + /** + * @brief This member defines the base address of the region. + * + * The limit address is this the address of the first byte of the region. + */ + uint32_t base; + + /** + * @brief This member defines the limit address of the region. + * + * The limit address is this the address of the last byte of the region. + */ + uint32_t limit; + + /** + * @brief This member defines the attributes of the region. + */ + uint32_t attributes; +} AArch32_PMSA_Region; + +/** * @brief Initializes the Memory Protection Unit (MPU). * * The section definitions are used to define the regions of the MPU. Sections @@ -265,6 +312,8 @@ typedef struct { * regions are used, then the MPU is not enabled. Overlapping section * definitions result in undefined system behaviour. * + * The function shall be called while the MPU is disabled. + * * @param memory_attributes_0 are the memory attributes for MAIR0. * * @param memory_attributes_1 are the memory attributes for MAIR1. @@ -281,6 +330,31 @@ void _AArch32_PMSA_Initialize( ); /** + * @brief Maps the section definitions to region definitions. + * + * The section definitions are used to define the regions of the MPU. Sections + * are merged if possible to reduce the count of used regions. If too many + * regions are used, then zero is returned. Overlapping section definitions + * result in undefined system behaviour. + * + * @param sections is the array with section definitions to map to regions. + * + * @param section_count is the count of section definitions. + * + * @param regions is the array with usable region definitions. + * + * @param region_max is the count of usable region definitions. + * + * @return Returns the count of actually used regions. + */ +size_t _AArch32_PMSA_Map_sections_to_regions( + const AArch32_PMSA_Section *sections, + size_t section_count, + AArch32_PMSA_Region *regions, + size_t region_max +); + +/** * @brief This array provides section definitions to initialize the memory * protection unit (MPU). * diff --git a/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h b/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h index 2c532ca669..5af0921547 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h +++ b/cpukit/score/cpu/arm/include/rtems/score/aarch32-system-registers.h @@ -10,7 +10,7 @@ */ /* - * Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de) + * Copyright (C) 2020 embedded brains GmbH & Co. KG * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions diff --git a/cpukit/score/cpu/arm/include/rtems/score/arm.h b/cpukit/score/cpu/arm/include/rtems/score/arm.h index b1e4b07a37..650c48d55f 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/arm.h +++ b/cpukit/score/cpu/arm/include/rtems/score/arm.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -13,9 +15,26 @@ * Copyright (c) 2002 Advent Networks, Inc. * Jay Monkman <jmonkman@adventnetworks.com> * - * 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. * */ @@ -47,12 +66,14 @@ extern "C" { #define ARM_MULTILIB_HAS_WFI #define ARM_MULTILIB_HAS_LOAD_STORE_EXCLUSIVE #define ARM_MULTILIB_HAS_BARRIER_INSTRUCTIONS + #define ARM_MULTILIB_HAS_STORE_RETURN_STATE #endif #ifndef ARM_DISABLE_THREAD_ID_REGISTER_USE #if defined(__ARM_ARCH_7A__) \ || defined(__ARM_ARCH_7R__) \ - || __ARM_ARCH >= 8 + || __ARM_ARCH >= 8 \ + || __ARM_ARCH == 6 #define ARM_MULTILIB_HAS_THREAD_ID_REGISTER #endif #endif diff --git a/cpukit/score/cpu/arm/include/rtems/score/armv4.h b/cpukit/score/cpu/arm/include/rtems/score/armv4.h index caeaa3e553..1d3a6de5ff 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/armv4.h +++ b/cpukit/score/cpu/arm/include/rtems/score/armv4.h @@ -1,15 +1,37 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + +/** + * @file + * + * @ingroup RTEMSScoreCPUARM + * + * @brief This header file provides interfaces of the ARMv4 architecture + * support. + */ + /* - * Copyright (c) 2013 embedded brains GmbH. All rights reserved. + * Copyright (c) 2013 embedded brains GmbH & Co. KG * - * embedded brains GmbH - * Dornierstr. 4 - * 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. */ #ifndef RTEMS_SCORE_ARMV4_H @@ -21,6 +43,12 @@ extern "C" { #endif /* __cplusplus */ +/** + * @addtogroup RTEMSScoreCPUARM + * + * @{ + */ + #ifdef ARM_MULTILIB_ARCH_V4 void bsp_interrupt_dispatch( void ); @@ -91,6 +119,8 @@ static inline void _ARMV4_Status_restore( uint32_t psr ) #endif /* ARM_MULTILIB_ARCH_V4 */ +/** @} */ + #ifdef __cplusplus } #endif /* __cplusplus */ diff --git a/cpukit/score/cpu/arm/include/rtems/score/armv7m.h b/cpukit/score/cpu/arm/include/rtems/score/armv7m.h index 1803c8d8ca..7fa48b3aa5 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/armv7m.h +++ b/cpukit/score/cpu/arm/include/rtems/score/armv7m.h @@ -1,21 +1,37 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * - * @brief ARMV7M Architecture Support + * @ingroup RTEMSScoreCPUARM + * + * @brief This header file provides interfaces of the ARMv7-M architecture + * support. */ /* * Copyright (c) 2011-2014 Sebastian Huber. All rights reserved. * - * 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. */ #ifndef RTEMS_SCORE_ARMV7M_H @@ -143,8 +159,19 @@ typedef struct { #define ARMV7M_SCB_SHCSR_MEMFAULTENA (1U << 16) uint32_t shcsr; +#define ARMV7M_SCB_CFSR_MMFSR_MASK 0xff +#define ARMV7M_SCB_CFSR_MMFSR_GET(n) (n & ARMV7M_SCB_CFSR_MMFSR_MASK) +#define ARMV7M_SCB_CFSR_BFSR_MASK 0xff00 +#define ARMV7M_SCB_CFSR_BFSR_GET(n) (n & ARMV7M_SCB_CFSR_BFSR_MASK) +#define ARMV7M_SCB_CFSR_UFSR_MASK 0xffff0000 +#define ARMV7M_SCB_CFSR_UFSR_GET(n) (n & ARMV7M_SCB_CFSR_UFSR_MASK) uint32_t cfsr; + +#define ARMV7M_SCB_HFSR_VECTTBL_MASK 0x2 +#define ARMV7M_SCB_HFSR_FORCED_MASK (1U << 30) +#define ARMV7M_SCB_HFSR_DEBUGEVT_MASK (1U << 31) uint32_t hfsr; + uint32_t dfsr; uint32_t mmfar; uint32_t bfar; @@ -678,6 +705,7 @@ static inline void _ARMV7M_MPU_Disable_region( } static inline void _ARMV7M_MPU_Setup( + uint32_t ctrl, const ARMV7M_MPU_Region_config *cfg, size_t cfg_count ) @@ -713,7 +741,7 @@ static inline void _ARMV7M_MPU_Setup( _ARMV7M_MPU_Disable_region(mpu, region); } - mpu->ctrl = ARMV7M_MPU_CTRL_ENABLE | ARMV7M_MPU_CTRL_PRIVDEFENA; + mpu->ctrl = ctrl; scb->shcsr |= ARMV7M_SCB_SHCSR_MEMFAULTENA; _ARM_Data_synchronization_barrier(); 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) */ diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpu_asm.h b/cpukit/score/cpu/arm/include/rtems/score/cpu_asm.h index e25dd25f99..30ef04f6a4 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/cpu_asm.h +++ b/cpukit/score/cpu/arm/include/rtems/score/cpu_asm.h @@ -1,3 +1,5 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * @@ -10,9 +12,26 @@ * COPYRIGHT (c) 2002 by Advent Networks, Inc. * Jay Monkman <jmonkman@adventnetworks.com> * - * 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. * * This file is the include file for cpu_asm.S */ diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h b/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h deleted file mode 100644 index 598ee76b20..0000000000 --- a/cpukit/score/cpu/arm/include/rtems/score/cpuatomic.h +++ /dev/null @@ -1,14 +0,0 @@ -/* - * COPYRIGHT (c) 2012-2013 Deng Hengyi. - * - * 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. - */ - -#ifndef _RTEMS_SCORE_ATOMIC_CPU_H -#define _RTEMS_SCORE_ATOMIC_CPU_H - -#include <rtems/score/cpustdatomic.h> - -#endif /* _RTEMS_SCORE_ATOMIC_CPU_H */ diff --git a/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h b/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h index 0f86710966..04d23f0ea7 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h +++ b/cpukit/score/cpu/arm/include/rtems/score/cpuimpl.h @@ -1,15 +1,37 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * - * @brief CPU Port Implementation API + * @ingroup RTEMSScoreCPUARM + * + * @brief This header file defines implementation interfaces pertaining to the + * port of the executive to the ARM architecture. */ /* - * Copyright (c) 2013, 2016 embedded brains GmbH + * Copyright (C) 2013, 2016 embedded brains GmbH & Co. KG + * + * 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. */ #ifndef _RTEMS_SCORE_CPUIMPL_H @@ -41,6 +63,8 @@ #endif /* ARM_MULTILIB_ARCH_V4 */ +#define CPU_THREAD_LOCAL_STORAGE_VARIANT 11 + #ifndef ASM #ifdef __cplusplus @@ -79,6 +103,18 @@ typedef struct { double d6; double d7; #endif /* ARM_MULTILIB_VFP */ +#ifdef ARM_MULTILIB_HAS_STORE_RETURN_STATE + uint32_t r0; + uint32_t r1; + uint32_t r2; + uint32_t r3; + uint32_t r7; + uint32_t r9; + uint32_t r12; + uint32_t lr; + uint32_t return_pc; + uint32_t return_cpsr; +#else /* ARM_MULTILIB_HAS_STORE_RETURN_STATE */ uint32_t r9; uint32_t lr; uint32_t r0; @@ -89,6 +125,7 @@ typedef struct { uint32_t return_cpsr; uint32_t r7; uint32_t r12; +#endif /* ARM_MULTILIB_HAS_STORE_RETURN_STATE */ } CPU_Interrupt_frame; #ifdef RTEMS_SMP @@ -118,16 +155,36 @@ void _CPU_Context_volatile_clobber( uintptr_t pattern ); void _CPU_Context_validate( uintptr_t pattern ); -RTEMS_INLINE_ROUTINE void _CPU_Instruction_illegal( void ) +static inline void _CPU_Instruction_illegal( void ) { __asm__ volatile ( "udf" ); } -RTEMS_INLINE_ROUTINE void _CPU_Instruction_no_operation( void ) +static inline void _CPU_Instruction_no_operation( void ) { __asm__ volatile ( "nop" ); } +static inline void _CPU_Use_thread_local_storage( + const Context_Control *context +) +{ +#ifdef ARM_MULTILIB_HAS_THREAD_ID_REGISTER + __asm__ volatile ( + "mcr p15, 0, %0, c13, c0, 3" : : "r" ( context->thread_id ) : "memory" + ); +#else + (void) context; +#endif +} + +static inline void *_CPU_Get_TLS_thread_pointer( + const Context_Control *context +) +{ + return (void *) context->thread_id; +} + #ifdef __cplusplus } #endif diff --git a/cpukit/score/cpu/arm/include/rtems/score/paravirt.h b/cpukit/score/cpu/arm/include/rtems/score/paravirt.h index d0dc4024e2..4aa98499ad 100644 --- a/cpukit/score/cpu/arm/include/rtems/score/paravirt.h +++ b/cpukit/score/cpu/arm/include/rtems/score/paravirt.h @@ -1,22 +1,40 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ + /** * @file * - * @brief ARM Paravirtualization Definitions + * @ingroup RTEMSScoreCPUARMParavirt * - * This include file contains definitions pertaining to paravirtualization - * of the ARM port. + * @brief This header file provides definitions pertaining to + * paravirtualization of the ARM port. */ /* * COPYRIGHT (c) 2018. * On-Line Applications Research Corporation (OAR). * - * The license and distribution terms for this file may 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. */ - #ifndef RTEMS_PARAVIRT #error "This file should only be included with paravirtualization is enabled." #endif |