isr.h File Reference

Data Related to the Management of Processor Interrupt Levels. More...

#include <rtems/score/isrlevel.h>

Go to the source code of this file.

Macros
#define	_ISR_Install_vector(_vector, _new_handler, _old_handler)   _CPU_ISR_install_vector( _vector, _new_handler, _old_handler )
	Install interrupt handler vector. More...

Typedefs
typedef uint32_t	ISR_Vector_number
typedef void	ISR_Handler
typedef void *	ISR_Handler_entry

Functions
	RTEMS_DECLARE_GLOBAL_SYMBOL (_ISR_Stack_size)
	Global symbol with a value equal to the configure interrupt stack size. More...
void	_ISR_Handler_initialization (void)
	Initializes the ISR handler. More...
void	_ISR_Handler (void)
	ISR interrupt dispatcher. More...
bool	_ISR_Is_in_progress (void)
	Checks if an ISR in progress. More...

Variables
char	_ISR_Stack_area_begin []
	The interrupt stack area begin. More...
const char	_ISR_Stack_area_end []
	The interrupt stack area end. More...

Detailed Description

Data Related to the Management of Processor Interrupt Levels.

This include file contains all the constants and structures associated with the management of processor interrupt levels. This handler supports interrupt critical sections, vectoring of user interrupt handlers, nesting of interrupts, and manipulating interrupt levels.