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https://gitlab.rtems.org/rtems/rtos/rtems.git
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c4fdd4c4cb
Add "(void) param;" annotation to address unused parameter warnings. Found with GCC's warning -Wunused-parameter.
154 lines
4.1 KiB
C
154 lines
4.1 KiB
C
/* SPDX-License-Identifier: BSD-2-Clause */
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/**
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* @file
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*
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* @brief PXA255 Interrupt Support
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*/
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/*
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* Copyright (C) 2010 embedded brains GmbH & Co. KG
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* Copyright (c) 2009 Yang Xi <hiyangxi@gmail.com>
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* Copyright (C) 2004 by Jay Monkman <jtm@lopingdog.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtems/score/armv4.h>
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#include <bsp.h>
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#include <bsp/irq.h>
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#include <bsp/irq-generic.h>
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#include <pxa255.h>
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void bsp_interrupt_dispatch(void)
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{
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rtems_vector_number vector = 31 - __builtin_clz(XSCALE_INT_ICIP);
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bsp_interrupt_handler_dispatch(vector);
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}
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rtems_status_code bsp_interrupt_get_attributes(
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rtems_vector_number vector,
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rtems_interrupt_attributes *attributes
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)
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{
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(void) vector;
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(void) attributes;
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return RTEMS_SUCCESSFUL;
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}
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rtems_status_code bsp_interrupt_is_pending(
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rtems_vector_number vector,
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bool *pending
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)
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{
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(void) vector;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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bsp_interrupt_assert(pending != NULL);
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*pending = false;
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return RTEMS_UNSATISFIED;
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}
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rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
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{
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(void) vector;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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return RTEMS_UNSATISFIED;
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}
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rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
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{
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(void) vector;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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return RTEMS_UNSATISFIED;
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}
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rtems_status_code bsp_interrupt_vector_is_enabled(
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rtems_vector_number vector,
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bool *enabled
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)
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{
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(void) vector;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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bsp_interrupt_assert(enabled != NULL);
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*enabled = false;
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return RTEMS_UNSATISFIED;
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}
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rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
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{
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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XSCALE_INT_ICMR |= 1 << vector;
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return RTEMS_SUCCESSFUL;
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}
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rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
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{
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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XSCALE_INT_ICMR &= ~(1 << vector);
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return RTEMS_SUCCESSFUL;
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}
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rtems_status_code bsp_interrupt_set_priority(
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rtems_vector_number vector,
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uint32_t priority
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)
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{
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(void) vector;
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(void) priority;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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return RTEMS_UNSATISFIED;
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}
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rtems_status_code bsp_interrupt_get_priority(
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rtems_vector_number vector,
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uint32_t *priority
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)
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{
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(void) vector;
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(void) priority;
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bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
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bsp_interrupt_assert(priority != NULL);
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return RTEMS_UNSATISFIED;
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}
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void bsp_interrupt_facility_initialize(void)
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{
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/* disable all interrupts */
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XSCALE_INT_ICMR = 0x0;
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/* Direct the interrupt to IRQ*/
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XSCALE_INT_ICLR = 0x0;
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/* Install the IRQ exception handler */
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_CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, _ARMV4_Exception_interrupt, NULL);
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}
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