tests: kernel: interrupt: multilevel: test APIs with devicetree

Test multilevel-irq APIs with interrupt number generated from
the devicetree to make sure that they work in sync.

Signed-off-by: Yong Cong Sin <ycsin@meta.com>
Signed-off-by: Yong Cong Sin <yongcong.sin@gmail.com>
This commit is contained in:
Yong Cong Sin 2024-09-23 15:05:15 +08:00 committed by Alberto Escolar
commit 091d70de6b
5 changed files with 135 additions and 0 deletions

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@ -26,4 +26,5 @@ endif()
if(CONFIG_MULTI_LEVEL_INTERRUPTS)
target_sources_ifdef(CONFIG_DYNAMIC_INTERRUPTS app PRIVATE src/sw_isr_table.c)
target_sources_ifdef(CONFIG_TEST_MULTILEVEL_IRQ app PRIVATE src/multilevel_irq.c)
endif()

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@ -0,0 +1,8 @@
# SPDX-License-Identifier: Apache-2.0
# Copyright (c) 2024 Meta Platforms
config TEST_MULTILEVEL_IRQ
bool "Build the tests in multilevel_irq.c"
depends on MULTI_LEVEL_INTERRUPTS
source "Kconfig.zephyr"

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@ -0,0 +1,44 @@
/*
* Copyright (c) 2024 Meta Platforms
* SPDX-License-Identifier: Apache-2.0
*/
/ {
test {
#address-cells = < 0x1 >;
#size-cells = < 0x1 >;
test_cpu_intc: interrupt-controller {
compatible = "vnd,cpu-intc";
#address-cells = <0>;
#interrupt-cells = < 0x01 >;
interrupt-controller;
};
test_l1_irq: interrupt-controller@bbbbcccc {
compatible = "vnd,intc";
reg = <0xbbbbcccc 0x1000>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <11 0>;
interrupt-parent = <&test_cpu_intc>;
};
test_l2_irq: interrupt-controller@bbbccccc {
compatible = "vnd,intc";
reg = <0xbbbccccc 0x1000>;
interrupt-controller;
#interrupt-cells = <2>;
interrupts = <12 0>;
interrupt-parent = <&test_l1_irq>;
};
test_l3_irq: interrupt-holder {
compatible = "vnd,interrupt-holder";
status = "okay";
interrupts = <13 3>;
interrupt-parent = <&test_l2_irq>;
interrupt-names = "test";
};
};
};

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@ -0,0 +1,76 @@
/*
* Copyright (c) 2024 Meta Platforms
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <zephyr/devicetree.h>
#include <zephyr/irq.h>
#include <zephyr/irq_multilevel.h>
#include <zephyr/ztest.h>
ZTEST(interrupt_feature, test_multi_level_api)
{
/* Zephyr multilevel-encoded IRQ */
const uint32_t irqn_l3 = DT_IRQN(DT_NODELABEL(test_l3_irq));
const uint32_t irqn_l2 = DT_IRQN(DT_NODELABEL(test_l2_irq));
const uint32_t irqn_l1 = DT_IRQN(DT_NODELABEL(test_l1_irq));
/* Raw IRQ specified in the devicetree */
const uint32_t raw_l3 = DT_IRQ(DT_NODELABEL(test_l3_irq), irq);
const uint32_t raw_l2 = DT_IRQ(DT_NODELABEL(test_l2_irq), irq);
const uint32_t raw_l1 = DT_IRQ(DT_NODELABEL(test_l1_irq), irq);
/**
* - irq_get_level()
*/
zassert_equal(3, irq_get_level(irqn_l3));
zassert_equal(2, irq_get_level(irqn_l2));
zassert_equal(1, irq_get_level(irqn_l1));
/**
* - irq_from_level_2()
* - irq_to_level_2()
* - irq_parent_level_2()
*/
zassert_equal(irq_from_level_2(irqn_l3), raw_l2);
zassert_equal(irq_from_level_2(irqn_l2), raw_l2);
zassert_equal(irq_to_level_2(raw_l2) & irqn_l2, irq_to_level_2(raw_l2));
zassert_equal(irq_parent_level_2(irqn_l2), raw_l1);
/**
* - irq_from_level_3()
* - irq_to_level_3()
* - irq_parent_level_3()
*/
zassert_equal(irq_from_level_3(irqn_l3), raw_l3);
zassert_equal(irq_to_level_3(raw_l3) & irqn_l3, irq_to_level_3(raw_l3));
zassert_equal(irq_parent_level_3(irqn_l3), raw_l2);
/**
* - irq_from_level()
* - irq_to_level()
* - irq_parent_level()
*/
zassert_equal(irq_from_level(irqn_l3, 2), raw_l2);
zassert_equal(irq_from_level(irqn_l2, 2), raw_l2);
zassert_equal(irq_from_level(irqn_l3, 3), raw_l3);
zassert_equal(irq_to_level(raw_l2, 2) & irqn_l2, irq_to_level(raw_l2, 2));
zassert_equal(irq_to_level(raw_l3, 3) & irqn_l3, irq_to_level(raw_l3, 3));
zassert_equal(irq_parent_level(irqn_l2, 2), raw_l1);
zassert_equal(irq_parent_level(irqn_l3, 3), raw_l2);
/**
* - irq_get_intc_irq()
*/
zassert_equal(irq_get_intc_irq(irqn_l3), irqn_l2);
zassert_equal(irq_get_intc_irq(irqn_l2), irqn_l1);
zassert_equal(irq_get_intc_irq(irqn_l1), irqn_l1);
}
ZTEST_SUITE(gen_isr_table_multilevel, NULL, NULL, NULL, NULL, NULL);

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@ -79,3 +79,9 @@ tests:
filter: >
not CONFIG_TRUSTED_EXECUTION_NONSECURE and CONFIG_ISR_TABLES_LOCAL_DECLARATION_SUPPORTED
and not CONFIG_CODE_DATA_RELOCATION
arch.interrupt.multilevel:
filter: CONFIG_MULTI_LEVEL_INTERRUPTS
extra_args:
- EXTRA_DTC_OVERLAY_FILE="multilevel_irq.overlay"
extra_configs:
- CONFIG_TEST_MULTILEVEL_IRQ=y