57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/*
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* Copyright (c) 2014, Wind River Systems, Inc.
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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
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* @brief Software-managed ISR table
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*
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* Data types for a software-managed ISR table, with a parameter per-ISR.
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*/
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#ifndef _SW_ISR_TABLE__H_
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#define _SW_ISR_TABLE__H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#if !defined(_ASMLANGUAGE)
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/*
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* Note the order: arg first, then ISR. This allows a table entry to be
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* loaded arg -> r0, isr -> r3 in _isr_wrapper with one ldmia instruction,
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* on ARM Cortex-M (Thumb2).
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*/
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struct _IsrTableEntry {
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void *arg;
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void (*isr)(void *);
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};
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typedef struct _IsrTableEntry _IsrTableEntry_t;
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#ifdef CONFIG_ARC
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extern _IsrTableEntry_t _sw_isr_table[CONFIG_NUM_IRQS - 16];
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#else
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extern _IsrTableEntry_t _sw_isr_table[CONFIG_NUM_IRQS];
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#endif
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#endif /* _ASMLANGUAGE */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SW_ISR_TABLE__H_ */
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