1 /*
2 * Copyright (c) 2023 Meta
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7 #include "sw_isr_common.h"
8
9 #include <zephyr/ztest.h>
10
11 extern const struct _irq_parent_entry _lvl2_irq_list[];
12
13 #define PARENT_IRQ_FN(i, _) CONFIG_2ND_LVL_INTR_0##i##_OFFSET
14 #if DT_HAS_COMPAT_STATUS_OKAY(sifive_plic_1_0_0)
15 #define PARENT_DEV_FN(i, _) DEVICE_DT_GET(DT_INST(i, sifive_plic_1_0_0))
16 #define INTC_SUPPORTS_MULTI_INSTANCE 1
17 #else
18 #define PARENT_DEV_FN(i, _) (NULL)
19 #endif
20
21 /**
22 * @brief Test sw_isr_table index-related function(s)
23 *
24 * @details Validates that:
25 * - z_get_sw_isr_table_idx() returns the corresponding SW ISR table index for an IRQN
26 */
ZTEST(interrupt_feature,test_sw_isr_irq_parent_table_idx)27 ZTEST(interrupt_feature, test_sw_isr_irq_parent_table_idx)
28 {
29 /* ground truths */
30 const unsigned int parent_irq[CONFIG_NUM_2ND_LEVEL_AGGREGATORS] = {
31 LISTIFY(CONFIG_NUM_2ND_LEVEL_AGGREGATORS, PARENT_IRQ_FN, (,)),
32 };
33 const unsigned int l2_isr_offset = CONFIG_2ND_LVL_ISR_TBL_OFFSET;
34
35 for (size_t i = 0; i < CONFIG_NUM_2ND_LEVEL_AGGREGATORS; i++) {
36 for (unsigned int local_irq = 0;
37 local_irq < CONFIG_MAX_IRQ_PER_AGGREGATOR; local_irq++) {
38 unsigned int test_irq = irq_to_level_2(local_irq) | parent_irq[i];
39 unsigned int test_isr_offset = z_get_sw_isr_table_idx(test_irq);
40 unsigned int isr_offset =
41 l2_isr_offset + local_irq + (i * CONFIG_MAX_IRQ_PER_AGGREGATOR);
42
43 zassert_equal(isr_offset, test_isr_offset,
44 "%d: expected offset: %d, got: %d", i,
45 isr_offset, test_isr_offset);
46 }
47 }
48 }
49
50 /**
51 * @brief Test sw_isr_table device-related function(s)
52 *
53 * This test only works on driver that supports multi-instances
54 *
55 * @details Validates that:
56 * - z_get_sw_isr_device_from_irq() returns the parent interrupt controller for an IRQN
57 * - z_get_sw_isr_irq_from_device() returns the IRQN of a parent interrupt controller
58 */
ZTEST(interrupt_feature,test_sw_isr_irq_parent_table_dev)59 ZTEST(interrupt_feature, test_sw_isr_irq_parent_table_dev)
60 {
61 Z_TEST_SKIP_IFNDEF(INTC_SUPPORTS_MULTI_INSTANCE);
62
63 /* ground truths */
64 const struct device *parent_dev[CONFIG_NUM_2ND_LEVEL_AGGREGATORS] = {
65 LISTIFY(CONFIG_NUM_2ND_LEVEL_AGGREGATORS, PARENT_DEV_FN, (,)),
66 };
67 const unsigned int parent_irq[CONFIG_NUM_2ND_LEVEL_AGGREGATORS] = {
68 LISTIFY(CONFIG_NUM_2ND_LEVEL_AGGREGATORS, PARENT_IRQ_FN, (,)),
69 };
70
71 for (size_t i = 0; i < CONFIG_NUM_2ND_LEVEL_AGGREGATORS; i++) {
72 const struct device *test_dev;
73 unsigned int test_irq;
74
75 zassert_not_null(parent_dev[i]);
76
77 for (unsigned int local_irq = 0;
78 local_irq < CONFIG_MAX_IRQ_PER_AGGREGATOR; local_irq++) {
79 test_irq = irq_to_level_2(local_irq) | parent_irq[i];
80 test_dev = z_get_sw_isr_device_from_irq(test_irq);
81 zassert_equal_ptr(parent_dev[i], test_dev, "%d: expected dev: %p, got: %p",
82 i, parent_dev[i], test_dev);
83 }
84
85 test_irq = z_get_sw_isr_irq_from_device(parent_dev[i]);
86 zassert_equal(parent_irq[i], test_irq, "%d: expected offset: %d, got: %d", i,
87 parent_irq[i], test_irq);
88 }
89 }
90
