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51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* See the end of this file for copyright, license, 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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default:
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/* TODO: Implement the rest of interrupts < 0 */
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break;
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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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* This file is part of Ardix.
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* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
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*
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* Ardix is non-violent software: you may only use, redistribute,
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* and/or modify it under the terms of the CNPLv6+ as found in
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* the LICENSE file in the source code root directory or at
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* <https://git.pixie.town/thufie/CNPL>.
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*
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* Ardix comes with ABSOLUTELY NO WARRANTY, to the extent
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* permitted by applicable law. See the CNPLv6+ for details.
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*/
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