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/* SPDX-License-Identifier: BSD-3-Clause */
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/* See the end of this file for copyright, licensing, and warranty information. */
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#include <arch/at91sam3x8e/hardware.h>
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#include <arch/at91sam3x8e/interrupt.h>
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void arch_irq_enable(enum irqno irqno)
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{
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if (irqno >= 0)
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REG_NVIC_ISER((uint32_t)irqno >> 5) = 1 << ( ((uint32_t)irqno) & 0x1F );
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}
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void arch_irq_disable(enum irqno irqno)
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{
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if (irqno >= 0)
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REG_NVIC_ICER((uint32_t)irqno >> 5) = 1 << ( ((uint32_t)irqno) & 0x1F );
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}
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void arch_irq_invoke(enum irqno irqno)
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{
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if (irqno < 0) {
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switch (irqno) {
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case IRQNO_PEND_SV:
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REG_SCB_ICSR = REG_SCB_ICSR_PENDSVSET_BIT;
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break;
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case IRQNO_SYS_TICK:
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REG_SCB_ICSR = REG_SCB_ICSR_PENDSTSET_BIT;
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break;
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/* TODO: Implement the rest of interrupts < 0 */
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}
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} else {
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REG_NVIC_ISPR((uint32_t)irqno >> 5) = 1 << ( ((uint32_t)irqno) & 0x1F );
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}
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}
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/*
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* Copyright (c) 2020 Felix Kopp <sandtler@sandtler.club>
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list of
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* conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of its contributors may be
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* used to endorse or promote products derived from this software without specific prior
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* written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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