Interrupt handlers. More...

#include <bsp/irq_asm.h>
#include <rtems.h>
#include <rtems/irq.h>
#include <rtems/irq-extension.h>

Macros
#define	BSP_SHARED_HANDLER_SUPPORT 1
	Include some preprocessor value also used by assember code.

#define	BSP_IRQ_VECTOR_BASE BSP_ASM_IRQ_VECTOR_BASE
	Base vector for our IRQ handlers.

#define	BSP_IRQ_LINES_NUMBER 16

#define	BSP_IRQ_MAX_ON_i8259A (BSP_IRQ_LINES_NUMBER - 1)

#define	BSP_IRQ_VECTOR_NUMBER 17

#define	BSP_IRQ_VECTOR_LOWEST_OFFSET 0

#define	BSP_IRQ_VECTOR_MAX_OFFSET (BSP_IRQ_VECTOR_NUMBER - 1)

#define	BSP_PERIODIC_TIMER 0 /* fixed on all builds of PC */
	Interrupt offset in comparison to BSP_ASM_IRQ_VECTOR_BASE NB : 1) Interrupt vector number in IDT = offset + BSP_ASM_IRQ_VECTOR_BASE 2) The same name should be defined on all architecture so that handler connection can be unchanged.

#define	BSP_KEYBOARD 1 /* fixed on all builds of PC */

#define	BSP_UART_COM2_IRQ 3 /* fixed for ISA bus */

#define	BSP_UART_COM1_IRQ 4 /* fixed for ISA bus */

#define	BSP_UART_COM3_IRQ 5

#define	BSP_UART_COM4_IRQ 6

#define	BSP_RT_TIMER1 8

#define	BSP_RT_TIMER3 10

#define	BSP_SMP_IPI 16 /* not part of the ATPIC */

#define	BSP_INTERRUPT_VECTOR_COUNT BSP_IRQ_VECTOR_NUMBER

Typedefs
typedef unsigned short	rtems_i8259_masks
	Type definition for RTEMS managed interrupts.

Detailed Description

Interrupt handlers.

This include file describe the data structure and the functions implemented by rtems to write interrupt handlers.

This code is heavily inspired by the public specification of STREAM V2 that can be found at:

http://www.chorus.com/Documentation/index.html by following the STREAM API Specification Document link.

Macros