zephyr/arch/arc/core/irq_offload.c

46 lines
1.1 KiB
C

/*
* Copyright (c) 2015 Intel corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @file Software interrupts utility code - ARC implementation
*/
#include <kernel.h>
#include <irq_offload.h>
static irq_offload_routine_t offload_routine;
static void *offload_param;
/* Called by trap_s exception handler */
void _irq_do_offload(void)
{
offload_routine(offload_param);
}
void irq_offload(irq_offload_routine_t routine, void *parameter)
{
int key;
key = irq_lock();
offload_routine = routine;
offload_param = parameter;
__asm__ volatile ("trap_s 0");
irq_unlock(key);
}