Loading...
/* * Copyright (c) 2019 Carlo Caione <ccaione@baylibre.com> * * SPDX-License-Identifier: Apache-2.0 */ /** * @file * @brief Cortex-A public interrupt handling * * ARM64-specific kernel interrupt handling interface. * Included by arm/aarch64/arch.h. */ #ifndef ZEPHYR_INCLUDE_ARCH_ARM_AARCH64_IRQ_H_ #define ZEPHYR_INCLUDE_ARCH_ARM_AARCH64_IRQ_H_ #include <irq.h> #include <sw_isr_table.h> #include <stdbool.h> #ifdef __cplusplus extern "C" { #endif #ifdef _ASMLANGUAGE GTEXT(arch_irq_enable) GTEXT(arch_irq_disable) GTEXT(arch_irq_is_enabled) #else extern void arch_irq_enable(unsigned int irq); extern void arch_irq_disable(unsigned int irq); extern int arch_irq_is_enabled(unsigned int irq); /* internal routine documented in C file, needed by IRQ_CONNECT() macro */ extern void z_arm64_irq_priority_set(unsigned int irq, unsigned int prio, u32_t flags); /* All arguments must be computable by the compiler at build time. * * Z_ISR_DECLARE will populate the .intList section with the interrupt's * parameters, which will then be used by gen_irq_tables.py to create * the vector table and the software ISR table. This is all done at * build-time. * * We additionally set the priority in the interrupt controller at * runtime. */ #define ARCH_IRQ_CONNECT(irq_p, priority_p, isr_p, isr_param_p, flags_p) \ ({ \ Z_ISR_DECLARE(irq_p, 0, isr_p, isr_param_p); \ z_arm64_irq_priority_set(irq_p, priority_p, flags_p); \ irq_p; \ }) #define ARCH_IRQ_DIRECT_CONNECT(irq_p, priority_p, isr_p, flags_p) \ ({ \ Z_ISR_DECLARE(irq_p, ISR_FLAG_DIRECT, isr_p, NULL); \ z_arm64_irq_priority_set(irq_p, priority_p, flags_p); \ irq_p; \ }) /* Spurious interrupt handler. Throws an error if called */ extern void z_irq_spurious(void *unused); #ifdef CONFIG_GEN_SW_ISR_TABLE /* Architecture-specific common entry point for interrupts from the vector * table. Most likely implemented in assembly. Looks up the correct handler * and parameter from the _sw_isr_table and executes it. */ extern void _isr_wrapper(void); #endif #endif /* _ASMLANGUAGE */ #ifdef __cplusplus } #endif #endif /* ZEPHYR_INCLUDE_ARCH_ARM_AARCH64_IRQ_H_ */ |