16811660ee
In order to bring consistency in-tree, migrate all arch code to the new prefix <zephyr/...>. Note that the conversion has been scripted, refer to zephyrproject-rtos#45388 for more details. Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
50 lines
973 B
C
50 lines
973 B
C
/*
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* Copyright (c) 2015 Intel corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file IRQ offload - x86 implementation
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*/
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#include <zephyr/kernel.h>
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#include <zephyr/irq_offload.h>
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extern void (*_irq_sw_handler)(void);
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NANO_CPU_INT_REGISTER(_irq_sw_handler, NANO_SOFT_IRQ,
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CONFIG_IRQ_OFFLOAD_VECTOR / 16,
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CONFIG_IRQ_OFFLOAD_VECTOR, 0);
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__pinned_bss
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static irq_offload_routine_t offload_routine;
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__pinned_bss
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static const void *offload_param;
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/* Called by asm stub */
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__pinned_func
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void z_irq_do_offload(void)
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{
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offload_routine(offload_param);
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}
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__pinned_func
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void arch_irq_offload(irq_offload_routine_t routine, const void *parameter)
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{
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unsigned int key;
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/*
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* Lock interrupts here to prevent any concurrency issues with
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* the two globals
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*/
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key = irq_lock();
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offload_routine = routine;
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offload_param = parameter;
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__asm__ volatile("int %[vector]" : :
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[vector] "i" (CONFIG_IRQ_OFFLOAD_VECTOR));
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irq_unlock(key);
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}
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