mirror of https://github.com/ARMmbed/mbed-os.git
85 lines
2.7 KiB
C++
85 lines
2.7 KiB
C++
/* mbed Microcontroller Library
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* Copyright (c) 2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "critical_section_test.h"
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#include "hal/critical_section_api.h"
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#include "utest/utest.h"
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#include "unity/unity.h"
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#include "greentea-client/test_env.h"
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#include "mbed.h"
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#include "cmsis.h"
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#if defined(TARGET_NRF5x) // for all NRF5x targets
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#include "nrf_nvic.h" // for __NRF_NVIC_APP_IRQS_0 / __NRF_NVIC_APP_IRQS_1
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#endif
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using utest::v1::Case;
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bool test_are_interrupts_enabled(void)
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{
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// NRF5x targets don't disable interrupts when in critical section, instead they mask application interrupts this is due to BLE stack
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// (BLE to be operational requires some interrupts to be always enabled)
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#if defined(TARGET_NRF52)
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// check if APP interrupts are masked for NRF52 boards
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return (((NVIC->ISER[0] & __NRF_NVIC_APP_IRQS_0) != 0) || ((NVIC->ISER[1] & __NRF_NVIC_APP_IRQS_1) != 0));
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#elif defined(TARGET_NRF51)
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// check if APP interrupts are masked for other NRF51 boards
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return ((NVIC->ISER[0] & __NRF_NVIC_APP_IRQS_0) != 0);
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#else
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#if defined(__CORTEX_A9)
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return ((__get_CPSR() & 0x80) == 0);
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#else
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return ((__get_PRIMASK() & 0x1) == 0);
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#endif
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#endif
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}
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template<int N>
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void test_critical_section()
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{
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TEST_ASSERT_FALSE(hal_in_critical_section());
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TEST_ASSERT_TRUE(test_are_interrupts_enabled());
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for (int i = 0; i < N; i++) {
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hal_critical_section_enter();
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TEST_ASSERT_TRUE(hal_in_critical_section());
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TEST_ASSERT_FALSE(test_are_interrupts_enabled());
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}
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// assumed to be called once (according API)
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hal_critical_section_exit();
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TEST_ASSERT_FALSE(hal_in_critical_section());
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TEST_ASSERT_TRUE(test_are_interrupts_enabled());
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}
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Case cases[] = {
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Case("Test critical section single lock", test_critical_section<1>),
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Case("Test critical section nested lock", test_critical_section<10>)
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};
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utest::v1::status_t greentea_test_setup(const size_t number_of_cases)
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{
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GREENTEA_SETUP(10, "timing_drift_auto");
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return utest::v1::greentea_test_setup_handler(number_of_cases);
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}
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utest::v1::Specification specification(greentea_test_setup, cases);
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int main()
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{
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return !utest::v1::Harness::run(specification);
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}
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