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65 lines
2.2 KiB
Plaintext
65 lines
2.2 KiB
Plaintext
;/*
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; * FreeRTOS Kernel V10.0.1
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; * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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; *
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; * Permission is hereby granted, free of charge, to any person obtaining a copy of
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; * this software and associated documentation files (the "Software"), to deal in
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; * the Software without restriction, including without limitation the rights to
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; * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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; * the Software, and to permit persons to whom the Software is furnished to do so,
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; * subject to the following conditions:
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; *
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; * The above copyright notice and this permission notice shall be included in all
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; * copies or substantial portions of the Software.
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; *
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; * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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; * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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; * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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; * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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; * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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; *
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; * http://www.FreeRTOS.org
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; * http://aws.amazon.com/freertos
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; *
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; * 1 tab == 4 spaces!
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; */
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;
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; This file defines a wrapper for the interrupt generated each time the button
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; on the target board is pushed. The asm wrapper is used to save and restore
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; the task context as a context switch may occur within the ISR itself.
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; The C portion of the ISR is defined within ButtonTask.c.
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;
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; Include the portSAVE_CONTEXT and portRESTORE_CONTEXT macros.
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#include "ISR_Support.h"
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PUBLIC vButtonISRWrapper
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EXTERN vButtonISRHandler
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RSEG CODE:CODE
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vButtonISRWrapper:
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; Save the current task context.
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portSAVE_CONTEXT
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; Call the C portion of the ISR.
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call vButtonISRHandler
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; Restore the context of whichever task is to run next - which might be
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; different from the task that was originally interrupted.
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portRESTORE_CONTEXT
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reti
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; Place the ISR into the vector table.
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COMMON INTVEC:CODE:ROOT(1)
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ORG 8
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`??vButtonISRWrapper??INTVEC 8`:
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DW vButtonISRWrapper
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END
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