RTEMS thread and RTEMS_ASR modes. More...
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Defines | |
| #define | RTEMS_ALL_MODE_MASKS 0x0000ffff |
| The following constants define the individual modes and masks which may be used to compose a mode set and to alter modes. | |
| #define | RTEMS_DEFAULT_MODES 0x00000000 |
| This mode constant is the default mode set. | |
| #define | RTEMS_CURRENT_MODE 0 |
| This mode constant is used when the user wishes to obtain their current execution mode. | |
| #define | RTEMS_TIMESLICE_MASK 0x00000200 |
| This mode constant corresponds to the timeslice enable/disable bit. | |
| #define | RTEMS_PREEMPT_MASK 0x00000100 |
| This mode constant corresponds to the preemption enable/disable bit. | |
| #define | RTEMS_ASR_MASK 0x00000400 |
| This mode constant corresponds to the signal enable/disable bit. | |
| #define | RTEMS_INTERRUPT_MASK CPU_MODES_INTERRUPT_MASK |
| This mode constant corresponds to the interrupt enable/disable bits. | |
| #define | RTEMS_PREEMPT 0x00000000 |
| This mode constant is used to indicate preemption is enabled. | |
| #define | RTEMS_NO_PREEMPT 0x00000100 |
| This mode constant is used to indicate preemption is disabled. | |
| #define | RTEMS_NO_TIMESLICE 0x00000000 |
| This mode constant is used to indicate timeslicing is disabled. | |
| #define | RTEMS_TIMESLICE 0x00000200 |
| This mode constant is used to indicate timeslicing is enabled. | |
| #define | RTEMS_ASR 0x00000000 |
| This mode constant is used to indicate signal processing is enabled. | |
| #define | RTEMS_NO_ASR 0x00000400 |
| This mode constant is used to indicate signal processing is disabled. | |
| #define | RTEMS_INTERRUPT_LEVEL(_mode_set) ( (_mode_set) & RTEMS_INTERRUPT_MASK ) |
| RTEMS_INTERRUPT_LEVEL. | |
Typedefs | |
| typedef uint32_t | Modes_Control |
| The following type defines the control block used to manage each a mode set. | |
Functions | |
| Modes_Control | rtems_interrupt_level_body (uint32_t level) |
| Body for RTEMS_INTERRUPT_LEVEL Macro. | |
| RTEMS_INLINE_ROUTINE bool | _Modes_Mask_changed (Modes_Control mode_set, Modes_Control masks) |
| Checks if any of the mode flags in mask are set in mode_set. | |
| RTEMS_INLINE_ROUTINE bool | _Modes_Is_asr_disabled (Modes_Control mode_set) |
| Checks if mode_set says that Asynchronous Signal Processing is disabled. | |
| RTEMS_INLINE_ROUTINE bool | _Modes_Is_preempt (Modes_Control mode_set) |
| Checks if mode_set indicates that preemption is enabled. | |
| RTEMS_INLINE_ROUTINE bool | _Modes_Is_timeslice (Modes_Control mode_set) |
| Checks if mode_set indicates that timeslicing is enabled. | |
| RTEMS_INLINE_ROUTINE ISR_Level | _Modes_Get_interrupt_level (Modes_Control mode_set) |
| Gets the interrupt level portion of the mode_set. | |
| RTEMS_INLINE_ROUTINE void | _Modes_Set_interrupt_level (Modes_Control mode_set) |
| Sets the current interrupt level to that specified in the mode_set. | |
| RTEMS_INLINE_ROUTINE void | _Modes_Change (Modes_Control old_mode_set, Modes_Control new_mode_set, Modes_Control mask, Modes_Control *out_mode_set, Modes_Control *changed) |
| Changes the modes in old_mode_set indicated by mask to the requested values in new_mode_set. | |
Variables | |
| const uint32_t | rtems_interrupt_mask |
| Interrupt Mask Variable. | |
Detailed Description
RTEMS thread and RTEMS_ASR modes.
This encapsulates functionality which XXX.
This include file contains all constants and structures associated with the RTEMS thread and RTEMS_ASR modes.
Define Documentation
| #define RTEMS_ASR 0x00000000 |
This mode constant is used to indicate signal processing is enabled.
| #define RTEMS_ASR_MASK 0x00000400 |
This mode constant corresponds to the signal enable/disable bit.
Referenced by _Modes_Is_asr_disabled().
| #define RTEMS_INTERRUPT_LEVEL | ( | _mode_set | ) | ( (_mode_set) & RTEMS_INTERRUPT_MASK ) |
RTEMS_INTERRUPT_LEVEL.
This function returns the processor dependent interrupt level which corresponds to the requested interrupt level.
- Note:
- RTEMS supports 256 interrupt levels using the least significant eight bits of MODES.CONTROL. On any particular CPU, fewer than 256 levels may be supported.
| #define RTEMS_INTERRUPT_MASK CPU_MODES_INTERRUPT_MASK |
This mode constant corresponds to the interrupt enable/disable bits.
Referenced by _Modes_Get_interrupt_level().
| #define RTEMS_NO_ASR 0x00000400 |
This mode constant is used to indicate signal processing is disabled.
Referenced by _Modes_Is_asr_disabled().
| #define RTEMS_NO_PREEMPT 0x00000100 |
This mode constant is used to indicate preemption is disabled.
| #define RTEMS_NO_TIMESLICE 0x00000000 |
This mode constant is used to indicate timeslicing is disabled.
| #define RTEMS_PREEMPT 0x00000000 |
This mode constant is used to indicate preemption is enabled.
Referenced by _Modes_Is_preempt().
| #define RTEMS_PREEMPT_MASK 0x00000100 |
This mode constant corresponds to the preemption enable/disable bit.
Referenced by _Modes_Is_preempt().
| #define RTEMS_TIMESLICE 0x00000200 |
This mode constant is used to indicate timeslicing is enabled.
Referenced by _Modes_Is_timeslice().
| #define RTEMS_TIMESLICE_MASK 0x00000200 |
This mode constant corresponds to the timeslice enable/disable bit.
Referenced by _Modes_Is_timeslice().
Function Documentation
| RTEMS_INLINE_ROUTINE void _Modes_Change | ( | Modes_Control | old_mode_set, |
| Modes_Control | new_mode_set, | ||
| Modes_Control | mask, | ||
| Modes_Control * | out_mode_set, | ||
| Modes_Control * | changed | ||
| ) |
Changes the modes in old_mode_set indicated by mask to the requested values in new_mode_set.
This routine changes the modes in old_mode_set indicated by mask to the requested values in new_mode_set. The resulting mode set is returned in out_mode_set and the modes that changed is returned in changed.
| RTEMS_INLINE_ROUTINE ISR_Level _Modes_Get_interrupt_level | ( | Modes_Control | mode_set | ) |
Gets the interrupt level portion of the mode_set.
This function returns the interrupt level portion of the mode_set.
References RTEMS_INTERRUPT_MASK.
Referenced by _Modes_Set_interrupt_level().
| RTEMS_INLINE_ROUTINE bool _Modes_Is_asr_disabled | ( | Modes_Control | mode_set | ) |
Checks if mode_set says that Asynchronous Signal Processing is disabled.
This function returns TRUE if mode_set indicates that Asynchronous Signal Processing is disabled, and FALSE otherwise.
References RTEMS_ASR_MASK, and RTEMS_NO_ASR.
| RTEMS_INLINE_ROUTINE bool _Modes_Is_preempt | ( | Modes_Control | mode_set | ) |
Checks if mode_set indicates that preemption is enabled.
This function returns TRUE if mode_set indicates that preemption is enabled, and FALSE otherwise.
References RTEMS_PREEMPT_MASK, and RTEMS_PREEMPT.
| RTEMS_INLINE_ROUTINE bool _Modes_Is_timeslice | ( | Modes_Control | mode_set | ) |
Checks if mode_set indicates that timeslicing is enabled.
This function returns TRUE if mode_set indicates that timeslicing is enabled, and FALSE otherwise.
References RTEMS_TIMESLICE_MASK, and RTEMS_TIMESLICE.
| RTEMS_INLINE_ROUTINE bool _Modes_Mask_changed | ( | Modes_Control | mode_set, |
| Modes_Control | masks | ||
| ) |
Checks if any of the mode flags in mask are set in mode_set.
This function returns TRUE if any of the mode flags in mask are set in mode_set, and FALSE otherwise.
| RTEMS_INLINE_ROUTINE void _Modes_Set_interrupt_level | ( | Modes_Control | mode_set | ) |
Sets the current interrupt level to that specified in the mode_set.
This routine sets the current interrupt level to that specified in the mode_set.
References _ISR_Set_level, and _Modes_Get_interrupt_level().
| Modes_Control rtems_interrupt_level_body | ( | uint32_t | level | ) |
Body for RTEMS_INTERRUPT_LEVEL Macro.
- Parameters:
-
[in] level is the desired interrupt level
- Return values:
-
This methods returns a mode with the desired interrupt level in the proper bitfield location.
- Note:
- This variable is used by bindings from languages other than C and C++.
Variable Documentation
| const uint32_t rtems_interrupt_mask |
Interrupt Mask Variable.
This variable is used by bindings from languages other than C and C++.
