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Diffstat (limited to 'libcpu/aarch64/cortex-a72/interrupt.c')
-rw-r--r--libcpu/aarch64/cortex-a72/interrupt.c118
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);
-}