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/*
* RTEMS virtex BSP
*
* This file declares constants of the interrupt controller.
*/
/*
* Copyright (c) 2007 embedded brains GmbH. All rights reserved.
*
* 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.
*/
#ifndef VIRTEX_IRQ_IRQ_H
#define VIRTEX_IRQ_IRQ_H
#include <rtems/irq.h>
#include <rtems/irq-extension.h>
#include <bsp/opbintctrl.h>
/*
* the following definitions specify the indices used
* to interface the interrupt handler API
*/
/*
* Peripheral IRQ handlers related definitions
*/
#define BSP_OPBINTC_PER_IRQ_NUMBER XPAR_INTC_MAX_NUM_INTR_INPUTS
#define BSP_OPBINTC_IRQ_LOWEST_OFFSET 0
#define BSP_OPBINTC_IRQ_MAX_OFFSET (BSP_OPBINTC_IRQ_LOWEST_OFFSET\
+BSP_OPBINTC_PER_IRQ_NUMBER-1)
#define BSP_IS_OPBINTC_IRQ(irqnum) \
(((irqnum) >= BSP_OPBINTC_IRQ_LOWEST_OFFSET) && \
((irqnum) <= BSP_OPBINTC_IRQ_MAX_OFFSET))
/*
* Processor IRQ handlers related definitions
*/
#define BSP_PROCESSOR_IRQ_NUMBER 3
#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_OPBINTC_IRQ_MAX_OFFSET+1)
#define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET\
+BSP_PROCESSOR_IRQ_NUMBER-1)
#define BSP_IS_PROCESSOR_IRQ(irqnum) \
(((irqnum) >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET) && \
((irqnum) <= BSP_PROCESSOR_IRQ_MAX_OFFSET))
/*
* Summary
*/
#define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET+1)
#define BSP_LOWEST_OFFSET BSP_OPBINTC_IRQ_LOWEST_OFFSET
#define BSP_MAX_OFFSET BSP_PROCESSOR_IRQ_MAX_OFFSET
#define BSP_IS_VALID_IRQ(irqnum) \
(BSP_IS_PROCESSOR_IRQ(irqnum) \
|| BSP_IS_OPBINTC_IRQ(irqnum))
#define BSP_INTERRUPT_VECTOR_COUNT (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1)
#ifndef ASM
#ifdef __cplusplus
extern "C" {
#endif
/*
* index table for the module specific handlers, a few entries are only placeholders
*/
typedef enum {
BSP_OPBINTC_IRQ_FIRST = BSP_OPBINTC_IRQ_LOWEST_OFFSET,
/*
* Note: for this BSP, the peripheral names are derived
* from the Xilinx parameter file
*/
BSP_OPBINTC_IRQ_LAST = BSP_OPBINTC_IRQ_MAX_OFFSET,
BSP_EXT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 0,
BSP_PIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 1,
BSP_CRIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 2
} rtems_irq_symbolic_name;
#define BSP_OPBINTC_XPAR(xname) (BSP_OPBINTC_IRQ_LOWEST_OFFSET+xname)
#ifdef __cplusplus
}
#endif
#endif /* ASM */
#endif /* VIRTEX_IRQ_IRQ_H */
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