1 /*
2 * Copyright (c) 2018 Intel Corporation.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include "sw_isr_common.h"
8 #include <zephyr/sw_isr_table.h>
9 #include <zephyr/irq.h>
10 #include <zephyr/sys/__assert.h>
11
z_isr_install(unsigned int irq,void (* routine)(const void *),const void * param)12 void __weak z_isr_install(unsigned int irq, void (*routine)(const void *),
13 const void *param)
14 {
15 unsigned int table_idx;
16
17 /*
18 * Do not assert on the IRQ enable status for ARM GIC since the SGI
19 * type interrupts are always enabled and attempting to install an ISR
20 * for them will cause the assertion to fail.
21 */
22 #ifndef CONFIG_GIC
23 __ASSERT(!irq_is_enabled(irq), "IRQ %d is enabled", irq);
24 #endif /* !CONFIG_GIC */
25
26 table_idx = z_get_sw_isr_table_idx(irq);
27
28 /* If dynamic IRQs are enabled, then the _sw_isr_table is in RAM and
29 * can be modified
30 */
31 _sw_isr_table[table_idx].arg = param;
32 _sw_isr_table[table_idx].isr = routine;
33 }
34
35 /* Some architectures don't/can't interpret flags or priority and have
36 * no more processing to do than this. Provide a generic fallback.
37 */
arch_irq_connect_dynamic(unsigned int irq,unsigned int priority,void (* routine)(const void *),const void * parameter,uint32_t flags)38 int __weak arch_irq_connect_dynamic(unsigned int irq,
39 unsigned int priority,
40 void (*routine)(const void *),
41 const void *parameter,
42 uint32_t flags)
43 {
44 ARG_UNUSED(flags);
45 ARG_UNUSED(priority);
46
47 z_isr_install(irq, routine, parameter);
48 return irq;
49 }
50
