diff options
Diffstat (limited to 'cpukit/score/cpu/arm/rtems/score/armv7m.h')
| -rw-r--r-- | cpukit/score/cpu/arm/rtems/score/armv7m.h | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/cpukit/score/cpu/arm/rtems/score/armv7m.h b/cpukit/score/cpu/arm/rtems/score/armv7m.h index 62f69ff490..3a41a0c707 100644 --- a/cpukit/score/cpu/arm/rtems/score/armv7m.h +++ b/cpukit/score/cpu/arm/rtems/score/armv7m.h @@ -1,3 +1,9 @@ +/** + * @file + * + * @brief ARMV7M Architecture Support + */ + /* * Copyright (c) 2011 Sebastian Huber. All rights reserved. * @@ -15,13 +21,14 @@ #ifndef RTEMS_SCORE_ARMV7M_H #define RTEMS_SCORE_ARMV7M_H -#include <stdint.h> -#include <stdbool.h> +#include <rtems/score/cpu.h> #ifdef __cplusplus extern "C" { #endif /* __cplusplus */ +#ifdef ARM_MULTILIB_ARCH_V7M + typedef struct { uint32_t reserved_0; uint32_t ictr; @@ -58,6 +65,21 @@ typedef struct { uint32_t icsr; ARMV7M_Exception_handler *vtor; + +#define ARMV7M_SCB_AIRCR_VECTKEY (0x05fa << 16) +#define ARMV7M_SCB_AIRCR_ENDIANESS (1U << 15) +#define ARMV7M_SCB_AIRCR_PRIGROUP_SHIFT 8 +#define ARMV7M_SCB_AIRCR_PRIGROUP_MASK \ + ((0x7U) << ARMV7M_SCB_AIRCR_PRIGROUP_SHIFT) +#define ARMV7M_SCB_AIRCR_PRIGROUP(val) \ + (((val) << ARMV7M_SCB_AIRCR_PRIGROUP_SHIFT) & ARMV7M_SCB_AIRCR_PRIGROUP_MASK) +#define ARMV7M_SCB_AIRCR_PRIGROUP_GET(reg) \ + (((val) & ARMV7M_SCB_AIRCR_PRIGROUP_MASK) >> ARMV7M_SCB_AIRCR_PRIGROUP_SHIFT) +#define ARMV7M_SCB_AIRCR_PRIGROUP_SET(reg, val) \ + (((reg) & ~ARMV7M_SCB_AIRCR_PRIGROUP_MASK) | ARMV7M_SCB_AIRCR_PRIGROUP(val)) +#define ARMV7M_SCB_AIRCR_SYSRESETREQ (1U << 2) +#define ARMV7M_SCB_AIRCR_VECTCLRACTIVE (1U << 1) +#define ARMV7M_SCB_AIRCR_VECTRESET (1U << 0) uint32_t aircr; uint32_t scr; uint32_t ccr; @@ -458,8 +480,7 @@ void _ARMV7M_Set_exception_handler( ); /** - * @brief ARMV7M Set Exception Priority and Handler - * + * @brief ARMV7M set exception priority and handler. */ void _ARMV7M_Set_exception_priority_and_handler( int index, @@ -467,6 +488,8 @@ void _ARMV7M_Set_exception_priority_and_handler( ARMV7M_Exception_handler handler ); +void _ARMV7M_Exception_default( void ); + void _ARMV7M_Interrupt_service_enter( void ); void _ARMV7M_Interrupt_service_leave( void ); @@ -475,6 +498,8 @@ void _ARMV7M_Pendable_service_call( void ); void _ARMV7M_Supervisor_call( void ); +#endif /* ARM_MULTILIB_ARCH_V7M */ + #ifdef __cplusplus } #endif /* __cplusplus */ |