/* * Copyright (c) 2016 Cadence Design Systems, Inc. * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_ARCH_XTENSA_XTENSA_IRQ_H_ #define ZEPHYR_INCLUDE_ARCH_XTENSA_XTENSA_IRQ_H_ #include #include #define CONFIG_GEN_IRQ_START_VECTOR 0 #ifdef CONFIG_MULTI_LEVEL_INTERRUPTS /* for _soc_irq_*() */ #include #ifdef CONFIG_2ND_LEVEL_INTERRUPTS #ifdef CONFIG_3RD_LEVEL_INTERRUPTS #define CONFIG_NUM_IRQS (XCHAL_NUM_INTERRUPTS +\ (CONFIG_NUM_2ND_LEVEL_AGGREGATORS +\ CONFIG_NUM_3RD_LEVEL_AGGREGATORS) *\ CONFIG_MAX_IRQ_PER_AGGREGATOR) #else #define CONFIG_NUM_IRQS (XCHAL_NUM_INTERRUPTS +\ CONFIG_NUM_2ND_LEVEL_AGGREGATORS *\ CONFIG_MAX_IRQ_PER_AGGREGATOR) #endif #else #define CONFIG_NUM_IRQS XCHAL_NUM_INTERRUPTS #endif #define z_arch_irq_enable(irq) z_soc_irq_enable(irq) #define z_arch_irq_disable(irq) z_soc_irq_disable(irq) #define z_arch_irq_is_enabled(irq) z_soc_irq_is_enabled(irq) #else #define CONFIG_NUM_IRQS XCHAL_NUM_INTERRUPTS #define z_arch_irq_enable(irq) z_xtensa_irq_enable(irq) #define z_arch_irq_disable(irq) z_xtensa_irq_disable(irq) #define z_arch_irq_is_enabled(irq) z_xtensa_irq_is_enabled(irq) #endif /** * * @brief Enable an interrupt line * * Clear possible pending interrupts on the line, and enable the interrupt * line. After this call, the CPU will receive interrupts for the specified * IRQ. * * @return N/A */ static ALWAYS_INLINE void z_xtensa_irq_enable(u32_t irq) { z_xt_ints_on(1 << irq); } /** * * @brief Disable an interrupt line * * Disable an interrupt line. After this call, the CPU will stop receiving * interrupts for the specified IRQ. * * @return N/A */ static ALWAYS_INLINE void z_xtensa_irq_disable(u32_t irq) { z_xt_ints_off(1 << irq); } static ALWAYS_INLINE unsigned int z_arch_irq_lock(void) { unsigned int key = XTOS_SET_INTLEVEL(XCHAL_EXCM_LEVEL); return key; } static ALWAYS_INLINE void z_arch_irq_unlock(unsigned int key) { XTOS_RESTORE_INTLEVEL(key); } /** * Returns true if interrupts were unlocked prior to the * z_arch_irq_lock() call that produced the key argument. */ static ALWAYS_INLINE bool z_arch_irq_unlocked(unsigned int key) { return (key & 0xf) == 0; /* INTLEVEL field */ } extern int z_xtensa_irq_is_enabled(unsigned int irq); #include #endif /* ZEPHYR_INCLUDE_ARCH_XTENSA_XTENSA_IRQ_H_ */