diff options
Diffstat (limited to 'libcpu/aarch64/cortex-a72/interrupt.c')
| -rw-r--r-- | libcpu/aarch64/cortex-a72/interrupt.c | 118 |
1 files changed, 0 insertions, 118 deletions
diff --git a/libcpu/aarch64/cortex-a72/interrupt.c b/libcpu/aarch64/cortex-a72/interrupt.c deleted file mode 100644 index 3ecb7750ad..0000000000 --- a/libcpu/aarch64/cortex-a72/interrupt.c +++ /dev/null @@ -1,118 +0,0 @@ -/* - * Copyright (c) 2006-2021, RT-Thread Development Team - * - * SPDX-License-Identifier: Apache-2.0 - * - * Change Logs: - * Date Author Notes - * 2020-04-16 bigmagic first version - */ - -#include <rthw.h> -#include <rtthread.h> -#include <gic_pl400.h> -#include <board.h> -#include <armv8.h> - -#define MAX_HANDLERS 256 -#define GIC_ACK_INTID_MASK 0x000003ff - -#ifdef RT_USING_SMP -#define rt_interrupt_nest rt_cpu_self()->irq_nest -#else -extern volatile rt_uint8_t rt_interrupt_nest; -#endif - -extern int system_vectors; - -/* exception and interrupt handler table */ -struct rt_irq_desc isr_table[MAX_HANDLERS]; - -rt_ubase_t rt_interrupt_from_thread; -rt_ubase_t rt_interrupt_to_thread; -rt_ubase_t rt_thread_switch_interrupt_flag; - -void rt_hw_vector_init(void) -{ - rt_hw_set_current_vbar((rt_ubase_t)&system_vectors); // cpu_gcc.S -} - -/** - * This function will initialize hardware interrupt - */ -void rt_hw_interrupt_init(void) -{ - - rt_uint32_t gic_cpu_base = 0; - rt_uint32_t gic_dist_base = 0; - - /* initialize ARM GIC */ - gic_dist_base = GIC_PL400_DISTRIBUTOR_PPTR; - gic_cpu_base = GIC_PL400_CONTROLLER_PPTR; - arm_gic_dist_init(0, gic_dist_base, 0); - arm_gic_cpu_init(0, gic_cpu_base); -} - -/** - * This function will install a interrupt service routine to a interrupt. - * @param vector the interrupt number - * @param new_handler the interrupt service routine to be installed - * @param old_handler the old interrupt service routine - */ -rt_isr_handler_t rt_hw_interrupt_install(int vector, rt_isr_handler_t handler, - void *param, const char *name) -{ - rt_isr_handler_t old_handler = RT_NULL; - - if (vector < MAX_HANDLERS) - { - old_handler = isr_table[vector].handler; - - if (handler != RT_NULL) - { -#ifdef RT_USING_INTERRUPT_INFO - rt_strncpy(isr_table[vector].name, name, RT_NAME_MAX); -#endif /* RT_USING_INTERRUPT_INFO */ - isr_table[vector].handler = handler; - isr_table[vector].param = param; - } - } - - return old_handler; -} - -/** - * This function will mask a interrupt. - * @param vector the interrupt number - */ -void rt_hw_interrupt_mask(int vector) -{ - arm_gic_mask(0, vector); -} - -/** - * This function will un-mask a interrupt. - * @param vector the interrupt number - */ -void rt_hw_interrupt_umask(int vector) -{ - arm_gic_umask(0, vector); -} - -/** - * This function returns the active interrupt number. - * @param none - */ -int rt_hw_interrupt_get_irq(void) -{ - return arm_gic_get_active_irq(0) & GIC_ACK_INTID_MASK; -} - -/** - * This function acknowledges the interrupt. - * @param vector the interrupt number - */ -void rt_hw_interrupt_ack(int vector) -{ - arm_gic_ack(0, vector); -} |
