diff options
Diffstat (limited to 'cpukit/score/cpu/arm/include/rtems/score/armv7m.h')
| -rw-r--r-- | cpukit/score/cpu/arm/include/rtems/score/armv7m.h | 48 |
1 files changed, 38 insertions, 10 deletions
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(); |