irq.h

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/* SPDX-License-Identifier: BSD-2-Clause */
 
/*
 * Copyright (c) 1998 Eric Valette <eric.valette@free.fr>
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef LIBBSP_POWERPC_IRQ_H
#define LIBBSP_POWERPC_IRQ_H
 
#ifndef BSP_SHARED_HANDLER_SUPPORT
#define BSP_SHARED_HANDLER_SUPPORT      1
#endif
 
#ifndef ASM
 
#include <rtems/irq.h>
 
 
/*
 * Symblolic IRQ names and related definitions.
 */
 
/*
 * PCI IRQ handlers related definitions
 * CAUTION : BSP_PCI_IRQ_LOWEST_OFFSET should be equal to OPENPIC_VEC_SOURCE
 */
/* FIXME: do we need PCI interrrupts here ? */
#define BSP_PCI_IRQ_NUMBER      (16)
#define BSP_PCI_IRQ_LOWEST_OFFSET   (0)
#define BSP_PCI_IRQ_MAX_OFFSET      (BSP_PCI_IRQ_LOWEST_OFFSET + BSP_PCI_IRQ_NUMBER - 1)
 
#define BSP_PROCESSOR_IRQ_NUMBER        (1)
#define BSP_PROCESSOR_IRQ_LOWEST_OFFSET (BSP_PCI_IRQ_MAX_OFFSET)
#define BSP_PROCESSOR_IRQ_MAX_OFFSET    (BSP_PROCESSOR_IRQ_LOWEST_OFFSET+BSP_PROCESSOR_IRQ_NUMBER-1)
 
 
  /*
   * Summary
   */
#define BSP_IRQ_NUMBER          (BSP_PROCESSOR_IRQ_MAX_OFFSET + 1)
#define BSP_LOWEST_OFFSET       (BSP_PCI_IRQ_LOWEST_OFFSET)
#define BSP_MAX_OFFSET          (BSP_IRQ_NUMBER - 1)
 
  /*
   * Some Processor execption handled as rtems IRQ symbolic name definition
   */
#define BSP_DECREMENTER         (BSP_PROCESSOR_IRQ_LOWEST_OFFSET)
 
#define BSP_INTERRUPT_VECTOR_COUNT BSP_IRQ_NUMBER
 
/* #include <bsp/irq_supp.h> */
 
#ifdef __cplusplus
extern "C" {
#endif
 
void BSP_rtems_irq_mng_init(unsigned cpuId);
 
#ifdef __cplusplus
}
#endif
 
#endif
#endif