| /* |
| * Copyright (c) 2014 Wind River Systems, Inc. |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ztest.h> |
| #include <arch/cpu.h> |
| #include <arch/arm/cortex_m/cmsis.h> |
| #include <linker/sections.h> |
| |
| |
| /* |
| * Offset (starting from the beginning of the vector table) |
| * of the location where the ISRs will be manually installed. |
| */ |
| #define _ISR_OFFSET 0 |
| |
| #if defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X) |
| /* The customized solution for nRF5X-based platforms |
| * requires that the POWER_CLOCK_IRQn line equals 0. |
| */ |
| BUILD_ASSERT_MSG(POWER_CLOCK_IRQn == 0, |
| "POWER_CLOCK_IRQn != 0. Consider rework manual vector table."); |
| |
| /* The customized solution for nRF5X-based platforms |
| * requires that the RTC1 IRQ line equals 17. |
| */ |
| BUILD_ASSERT_MSG(RTC1_IRQn == 17, |
| "RTC1_IRQn != 17. Consider rework manual vector table."); |
| |
| #undef _ISR_OFFSET |
| #if !defined(CONFIG_BOARD_QEMU_CORTEX_M0) |
| /* Interrupt line 0 is used by POWER_CLOCK */ |
| #define _ISR_OFFSET 1 |
| #else |
| /* The customized solution for nRF51-based QEMU Cortex-M0 platform |
| * requires that the TIMER0 IRQ line equals 8. |
| */ |
| BUILD_ASSERT_MSG(TIMER0_IRQn == 8, |
| "TIMER0_IRQn != 8. Consider rework manual vector table."); |
| /* Interrupt lines 9-11 is the first set of consecutive interrupts implemented |
| * in QEMU Cortex M0. |
| */ |
| #define _ISR_OFFSET 9 |
| |
| #endif |
| |
| #elif defined(CONFIG_SOC_SERIES_NRF91X) |
| /* The customized solution for nRF91X-based platforms |
| * requires that the POWER_CLOCK_IRQn line equals 5. |
| */ |
| BUILD_ASSERT_MSG(CLOCK_POWER_IRQn == 5, |
| "POWER_CLOCK_IRQn != 5." |
| "Consider rework manual vector table."); |
| |
| /* The customized solution for nRF91X-based platforms |
| * requires that the RTC1 IRQ line equals 21. |
| */ |
| BUILD_ASSERT_MSG(RTC1_IRQn == 21, |
| "RTC1_IRQn != 21. Consider rework manual vector table."); |
| |
| #undef _ISR_OFFSET |
| /* Interrupt lines 8-10 is the first set of consecutive interrupts implemented |
| * in nRF9160 SOC. |
| */ |
| #define _ISR_OFFSET 8 |
| |
| #endif /* CONFIG_SOC_SERIES_NRF52X */ |
| |
| |
| struct k_sem sem[3]; |
| |
| /** |
| * |
| * @brief ISR for IRQ0 |
| * |
| * @return N/A |
| */ |
| |
| void isr0(void) |
| { |
| printk("%s ran!\n", __func__); |
| k_sem_give(&sem[0]); |
| z_arm_int_exit(); |
| } |
| |
| /** |
| * |
| * @brief ISR for IRQ1 |
| * |
| * @return N/A |
| */ |
| |
| void isr1(void) |
| { |
| printk("%s ran!\n", __func__); |
| k_sem_give(&sem[1]); |
| z_arm_int_exit(); |
| } |
| |
| /** |
| * |
| * @brief ISR for IRQ2 |
| * |
| * @return N/A |
| */ |
| |
| void isr2(void) |
| { |
| printk("%s ran!\n", __func__); |
| k_sem_give(&sem[2]); |
| z_arm_int_exit(); |
| } |
| |
| /** |
| * @defgroup kernel_interrupt_tests Interrupts |
| * @ingroup all_tests |
| * @{ |
| */ |
| |
| |
| /** |
| * @brief Test installation of ISRs directly in the vector table |
| * |
| * @details Test validates the arm irq vector table. We create a |
| * irq vector table with the address of the interrupt handler. We write |
| * into the Software Trigger Interrupt Register(STIR) or calling |
| * NVIC_SetPendingIRQ(), to trigger the pending interrupt. And we check |
| * that the corresponding interrupt handler is getting called or not. |
| * |
| * @see irq_enable(), z_irq_priority_set(), NVIC_SetPendingIRQ() |
| * |
| */ |
| void test_arm_irq_vector_table(void) |
| { |
| printk("Test Cortex-M IRQs installed directly in the vector table\n"); |
| |
| for (int ii = 0; ii < 3; ii++) { |
| irq_enable(_ISR_OFFSET + ii); |
| z_arm_irq_priority_set(_ISR_OFFSET + ii, 0, 0); |
| k_sem_init(&sem[ii], 0, UINT_MAX); |
| } |
| |
| zassert_true((k_sem_take(&sem[0], K_NO_WAIT) || |
| k_sem_take(&sem[1], K_NO_WAIT) || |
| k_sem_take(&sem[2], K_NO_WAIT)), NULL); |
| |
| for (int ii = 0; ii < 3; ii++) { |
| #if defined(CONFIG_ARMV6_M_ARMV8_M_BASELINE) || \ |
| defined(CONFIG_SOC_TI_LM3S6965_QEMU) |
| /* the QEMU does not simulate the |
| * STIR register: this is a workaround |
| */ |
| NVIC_SetPendingIRQ(_ISR_OFFSET + ii); |
| #else |
| NVIC->STIR = _ISR_OFFSET + ii; |
| #endif |
| } |
| |
| zassert_false((k_sem_take(&sem[0], K_NO_WAIT) || |
| k_sem_take(&sem[1], K_NO_WAIT) || |
| k_sem_take(&sem[2], K_NO_WAIT)), NULL); |
| |
| } |
| |
| typedef void (*vth)(void); /* Vector Table Handler */ |
| |
| #if defined(CONFIG_SOC_FAMILY_NRF) |
| /* nRF5X- and nRF91X-based platforms employ a Hardware RTC peripheral |
| * to implement the Kernel system timer, instead of the ARM Cortex-M |
| * SysTick. Therefore, a pointer to the timer ISR needs to be added in |
| * the custom vector table to handle the timer "tick" interrupts. |
| * |
| * The same applies to the CLOCK Control peripheral, which may trigger |
| * IRQs that would need to be serviced. |
| * |
| * Note: qemu_cortex_m0 uses TIMER0 to implement system timer. |
| */ |
| void rtc1_nrf_isr(void); |
| void nrf_power_clock_isr(void); |
| #if defined(CONFIG_SOC_SERIES_NRF51X) || defined(CONFIG_SOC_SERIES_NRF52X) |
| #if defined(CONFIG_BOARD_QEMU_CORTEX_M0) |
| void timer0_nrf_isr(void); |
| vth __irq_vector_table _irq_vector_table[] = { |
| nrf_power_clock_isr, 0, 0, 0, 0, 0, 0, 0, timer0_nrf_isr, isr0, isr1, isr2 |
| }; |
| #else |
| vth __irq_vector_table _irq_vector_table[] = { |
| nrf_power_clock_isr, |
| isr0, isr1, isr2, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| rtc1_nrf_isr |
| }; |
| #endif /* CONFIG_BOARD_QEMU_CORTEX_M0 */ |
| #elif defined(CONFIG_SOC_SERIES_NRF91X) |
| vth __irq_vector_table _irq_vector_table[] = { |
| 0, 0, 0, 0, 0, nrf_power_clock_isr, 0, 0, |
| isr0, isr1, isr2, |
| 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |
| rtc1_nrf_isr |
| }; |
| #endif |
| #elif defined(CONFIG_SOC_SERIES_CC13X2_CC26X2) |
| /* TI CC13x2/CC26x2 based platforms also employ a Hardware RTC peripheral |
| * to implement the Kernel system timer, instead of the ARM Cortex-M |
| * SysTick. Therefore, a pointer to the timer ISR needs to be added in |
| * the custom vector table to handle the timer "tick" interrupts. |
| */ |
| extern void rtc_isr(void); |
| vth __irq_vector_table _irq_vector_table[] = { |
| isr0, isr1, isr2, 0, |
| rtc_isr |
| }; |
| #else |
| vth __irq_vector_table _irq_vector_table[] = { |
| isr0, isr1, isr2 |
| }; |
| #endif /* CONFIG_SOC_SERIES_NRF52X || CONFIG_SOC_SERIES_NRF91X */ |
| |
| /** |
| * @} |
| */ |