bba9510319
Software interrupts or system calls aren't really appropriate for zephyr, but we have an ongoing need in our test code to run a function with arguments synchronously in interrupt context. This patch introduces irq_offload() which allows us to do this without separate initialization or having to manage fake IRQs in the interrupt controller. ARM assembly code contributed by Benjamin Walsh <benjamin.walsh@windriver.com> ARC is not yet implemented but will be in a subsequent patch. irq_test_common.h has been removed and all test cases updated to use the new API. Change-Id: I9af99ed31b62bc7eb340e32cf65e3d11354d1ec7 Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/*
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* Copyright (c) 2015 Intel corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @file Software interrupts utility code - ARM implementation
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*/
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#include <nanokernel.h>
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#include <irq_offload.h>
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static irq_offload_routine_t offload_routine;
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static void *offload_param;
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/* Called by __svc */
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void _irq_do_offload(void)
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{
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offload_routine(offload_param);
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}
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void irq_offload(irq_offload_routine_t routine, void *parameter)
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{
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int key;
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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 ("svc #1");
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irq_unlock(key);
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}
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