45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/*
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* Copyright (c) 2018 Intel Corporation.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <sw_isr_table.h>
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#include <arch/cpu.h>
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#include <sys/__assert.h>
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/*
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* Common code for arches that use software ISR tables (CONFIG_GEN_ISR_TABLES)
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*/
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#ifdef CONFIG_DYNAMIC_INTERRUPTS
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void z_isr_install(unsigned int irq, void (*routine)(void *), void *param)
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{
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unsigned int table_idx = irq - CONFIG_GEN_IRQ_START_VECTOR;
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__ASSERT(!irq_is_enabled(irq), "IRQ %d is enabled", irq);
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/* If dynamic IRQs are enabled, then the _sw_isr_table is in RAM and
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* can be modified
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*/
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_sw_isr_table[table_idx].arg = param;
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_sw_isr_table[table_idx].isr = routine;
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}
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/* Some architectures don't/can't interpret flags or priority and have
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* no more processing to do than this. Provide a generic fallback.
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*/
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int __weak z_arch_irq_connect_dynamic(unsigned int irq,
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unsigned int priority,
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void (*routine)(void *),
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void *parameter,
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u32_t flags)
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{
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ARG_UNUSED(flags);
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ARG_UNUSED(priority);
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z_isr_install(irq, routine, parameter);
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return irq;
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}
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#endif /* CONFIG_DYNAMIC_INTERRUPTS */
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