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Synopsys ARC v1 Port: add support to Synopsys ARC v1 series cores (#110)
* Synopsys Port: Adding support to Synopsys ARC v1 series cores ARC v1 cores include ARC605, ARC610d, and ARC710d Signed-off-by: Yuguo Zou <yuguo.zou@synopsys.com> * Synopsys ARC v1 port: run uncrustify to fix code style Signed-off-by: Yuguo Zou <yuguo.zou@synopsys.com> * Synopsys port: modify license headers, change copyright only Signed-off-by: Yuguo Zou <yuguo.zou@synopsys.com>
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@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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2
portable/ThirdParty/GCC/ARC_EM_HS/port.c
vendored
2
portable/ThirdParty/GCC/ARC_EM_HS/port.c
vendored
@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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@ -1,6 +1,6 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2019 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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* Copyright (C) 2020 Synopsys, 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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|
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51
portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c
vendored
Normal file
51
portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.c
vendored
Normal file
@ -0,0 +1,51 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2020 Synopsys, 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
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* 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
|
||||
* 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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* \file
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* \brief exception processing for freertos
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*/
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/* #include "embARC.h" */
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#include "arc_freertos_exceptions.h"
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#ifdef __GNU__
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extern void gnu_printf_setup( void );
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#endif
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/**
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* \brief freertos related cpu exception initialization, all the interrupts handled by freertos must be not
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* fast irqs. If fiq is needed, please install the default firq_exc_entry or your own fast irq entry into
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* the specific interrupt exception.
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*/
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void freertos_exc_init( void )
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{
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#ifdef __GNU__
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gnu_printf_setup();
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#endif
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}
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45
portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h
vendored
Normal file
45
portable/ThirdParty/GCC/ARC_v1/arc_freertos_exceptions.h
vendored
Normal file
@ -0,0 +1,45 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2020 Synopsys, 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,
|
||||
* 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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#ifndef ARC_FREERTOS_EXCEPTIONS_H
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#define ARC_FREERTOS_EXCEPTIONS_H
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/*
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* here, all arc cpu exceptions share the same entry, also for all interrupt
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* exceptions
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*/
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extern void exc_entry_cpu( void ); /* cpu exception entry for freertos */
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extern void exc_entry_int( void ); /* int exception entry for freertos */
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/* task dispatch functions in .s */
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extern void start_r( void );
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extern void start_dispatch();
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extern void dispatch();
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extern void freertos_exc_init( void );
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#endif /* ARC_FREERTOS_EXCEPTIONS_H */
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321
portable/ThirdParty/GCC/ARC_v1/arc_support.s
vendored
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321
portable/ThirdParty/GCC/ARC_v1/arc_support.s
vendored
Normal file
@ -0,0 +1,321 @@
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/*
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* FreeRTOS Kernel V10.2.1
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* Copyright (C) 2020 Synopsys, 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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* \file
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* \ingroup OS_FREERTOS
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* \brief freertos support for arc processor
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* like task dispatcher, interrupt handler
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*/
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/** @cond OS_FREERTOS_ASM_ARC_SUPPORT */
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/*
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* core-dependent part in assemble language (for arc)
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*/
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#define __ASSEMBLY__
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#include "arc/arc.h"
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#include "arc/arc_asm_common.h"
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/*
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* task dispatcher
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*
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*/
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.text
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.align 4
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.global dispatch
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dispatch:
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/*
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* the pre-conditions of this routine are task context, CPU is
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* locked, dispatch is enabled.
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*/
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SAVE_NONSCRATCH_REGS /* save callee save registers */
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mov r1, dispatch_r
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PUSH r1 /* save return address */
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ld r0, [pxCurrentTCB]
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bl dispatcher
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/* return routine when task dispatch happened in task context */
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dispatch_r:
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RESTORE_NONSCRATCH_REGS /* recover registers */
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j [blink]
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/*
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* start dispatch
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*/
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.global start_dispatch
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.align 4
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start_dispatch:
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/*
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* this routine is called in the non-task context during the startup of the kernel
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* , and all the interrupts are locked.
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*
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* when the dispatcher is called, the cpu is locked, no nest exception (CPU exception/interrupt).
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* In target_initialize, all interrupt priority mask should be cleared, cpu should be
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* locked, the interrupts outside the kernel such as fiq can be
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* enabled.
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*/
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clri
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mov r0, 0
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st r0, [exc_nest_count]
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b dispatcher_0
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/*
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* dispatcher
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*/
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dispatcher:
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ld r1, [ulCriticalNesting]
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PUSH r1 /* save critical nesting */
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st sp, [r0] /* save stack pointer of current task, r0->pxCurrentTCB */
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jl vTaskSwitchContext /* change the value of pxCurrentTCB */
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/*
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* before dispatcher is called, task context | cpu locked | dispatch enabled
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* should be satisfied. In this routine, the processor will jump
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* into the entry of next to run task
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*
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* i.e. kernel mode, IRQ disabled, dispatch enabled
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*/
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dispatcher_0:
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ld r1, [pxCurrentTCB]
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ld sp, [r1] /* recover task stack */
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#if ARC_FEATURE_STACK_CHECK
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lr r0, [AUX_STATUS32]
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bclr r0, r0, AUX_STATUS_BIT_SC
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flag r0
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jl vPortSetStackCheck
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lr r0, [AUX_STATUS32]
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bset r0, r0, AUX_STATUS_BIT_SC
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flag r0
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#endif
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POP r0 /* get critical nesting */
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st r0, [ulCriticalNesting]
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POP r0 /* get return address */
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j [r0]
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/*
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* task startup routine
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*
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*/
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.text
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.global start_r
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.align 4
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start_r:
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seti /* unlock cpu */
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mov blink, vPortEndTask /* set return address */
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POP r1 /* get task function body */
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POP r0 /* get task parameters */
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j [r1]
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/****** exceptions and interrupts handing ******/
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/****** entry for exception handling ******/
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.global exc_entry_cpu
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.align 4
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exc_entry_cpu:
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EXCEPTION_PROLOGUE
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mov blink, sp
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mov r3, sp /* as exception handler's para(p_excinfo) */
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ld r1, [exc_nest_count]
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add r1, r1, 1
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st r1, [exc_nest_count]
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brne r1, 0, exc_handler_1
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/* change to exception stack if interrupt happened in task context */
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mov sp, _e_stack
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exc_handler_1:
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PUSH blink
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/* find the exception cause */
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#if ARC_FEATURE_CORE_700
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lr r0, [AUX_ECR]
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lsr r0, r0, 16
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bmsk r0, r0, 7
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#endif
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mov r1, exc_int_handler_table
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ld.as r2, [r1, r0]
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mov r0, r3
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jl [r2] /* !!!!jump to exception handler where interrupts are not allowed! */
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/* interrupts are not allowed */
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ret_exc:
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POP sp
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mov r1, exc_nest_count
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ld r0, [r1]
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sub r0, r0, 1
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st r0, [r1]
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brne r0, 0, ret_exc_1 /* nested exception case */
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lr r1, [AUX_IRQ_LV12]
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brne r1, 0, ret_exc_1 /* nested or pending interrupt case */
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ld r0, [context_switch_reqflg]
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brne r0, 0, ret_exc_2
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ret_exc_1: /* return from non-task context, interrupts or exceptions are nested */
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EXCEPTION_EPILOGUE
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#if ARC_FEATURE_CORE_600
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rtie ilink2
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#else
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rtie
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#endif
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/* there is a dispatch request */
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ret_exc_2:
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/* clear dispatch request */
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mov r0, 0
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st r0, [context_switch_reqflg]
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ld r0, [pxCurrentTCB]
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breq r0, 0, ret_exc_1
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SAVE_CALLEE_REGS /* save callee save registers */
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lr r0, [AUX_STATUS32]
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bclr r0, r0, AUX_STATUS_BIT_AE /* clear exception bit */
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flag r0
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mov r1, ret_exc_r /* save return address */
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PUSH r1
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bl dispatcher /* r0->pxCurrentTCB */
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ret_exc_r:
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/* recover exception status */
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lr r0, [AUX_STATUS32]
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bset r0, r0, AUX_STATUS_BIT_AE
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flag r0
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RESTORE_CALLEE_REGS /* recover registers */
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EXCEPTION_EPILOGUE
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#if ARC_FEATURE_CORE_600
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rtie ilink2
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#else
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rtie
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#endif
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/****** entry for normal interrupt exception handling ******/
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.global exc_entry_int /* entry for interrupt handling */
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.align 4
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exc_entry_int:
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INTERRUPT_PROLOGUE
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mov blink, sp
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/* disable interrupt */
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push r0
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lr r0, [AUX_STATUS32]
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push r0
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bclr r0, r0, AUX_STATUS_BIT_E1
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bclr r0, r0, AUX_STATUS_BIT_E2
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flag r0
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ld r3, [exc_nest_count]
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add r2, r3, 1
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st r2, [exc_nest_count]
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/* enable interrupt */
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pop r0
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flag r0
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pop r0
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brne r3, 0, irq_handler_1
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/* change to exception stack if interrupt happened in task context */
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mov sp, _e_stack
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#if ARC_FEATURE_STACK_CHECK
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lr r0, [AUX_STATUS32]
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bclr r0, r0, AUX_STATUS_BIT_SC
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flag r0
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#endif
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irq_handler_1:
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PUSH blink
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/* critical area */
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#if ARC_FEATURE_CORE_700
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lr r0, [AUX_IRQ_CAUSE1]
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#endif
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mov r1, exc_int_handler_table
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ld.as r2, [r1, r0] /* r2 = exc_int_handler_table + irqno *4 */
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/* handle software triggered interrupt */
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lr r3, [AUX_IRQ_HINT]
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cmp r3, r0
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bne.d irq_hint_handled
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xor r3, r3, r3
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sr r3, [AUX_IRQ_HINT]
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irq_hint_handled:
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jl [r2] /* jump to interrupt handler */
|
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/* no interrupts are allowed from here */
|
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ret_int:
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clri /* disable interrupt */
|
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|
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POP sp
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mov r1, exc_nest_count
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ld r0, [r1]
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sub r0, r0, 1
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st r0, [r1]
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/* if there are multi-bits set in IRQ_LV12, it's still in nest interrupt */
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lr r1, [AUX_IRQ_LV12]
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ld r0, [context_switch_reqflg]
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brne r0, 0, ret_int_2
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ret_int_1: /* return from non-task context */
|
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INTERRUPT_EPILOGUE
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#if ARC_FEATURE_CORE_600
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/* TODO: series 600 IRQ6 and IRQ7 uses ilink2 */
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rtie ilink1
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#else
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rtie
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#endif
|
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/* there is a dispatch request */
|
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ret_int_2:
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/* clear dispatch request */
|
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mov r0, 0
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st r0, [context_switch_reqflg]
|
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|
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ld r0, [pxCurrentTCB]
|
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breq r0, 0, ret_int_1
|
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|
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/* r1 has old AUX_IRQ_LV12 */
|
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PUSH r1
|
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/* clear related bits in IRQ_ACT manually to simulate a irq return */
|
||||
|
||||
SAVE_CALLEE_REGS /* save callee save registers */
|
||||
mov r1, ret_int_r /* save return address */
|
||||
PUSH r1
|
||||
|
||||
bl dispatcher /* r0->pxCurrentTCB */
|
||||
|
||||
ret_int_r:
|
||||
RESTORE_CALLEE_REGS /* recover registers */
|
||||
POPAX AUX_IRQ_LV12
|
||||
INTERRUPT_EPILOGUE
|
||||
#if ARC_FEATURE_CORE_600
|
||||
rtie ilink1
|
||||
#else
|
||||
rtie
|
||||
#endif
|
||||
|
||||
/** @endcond */
|
||||
295
portable/ThirdParty/GCC/ARC_v1/port.c
vendored
Normal file
295
portable/ThirdParty/GCC/ARC_v1/port.c
vendored
Normal file
@ -0,0 +1,295 @@
|
||||
/*
|
||||
* FreeRTOS Kernel V10.2.1
|
||||
* Copyright (C) 2020 Synopsys, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
/*
|
||||
* Implementation of functions defined in portable.h
|
||||
*/
|
||||
|
||||
#include "FreeRTOS.h"
|
||||
#include "task.h"
|
||||
#include "FreeRTOSConfig.h"
|
||||
|
||||
#include "arc/arc_exception.h"
|
||||
#include "arc/arc_timer.h"
|
||||
#include "board.h"
|
||||
|
||||
#include "arc_freertos_exceptions.h"
|
||||
|
||||
volatile unsigned int ulCriticalNesting = 999UL;
|
||||
volatile unsigned int context_switch_reqflg; /* task context switch request flag in exceptions and interrupts handling */
|
||||
|
||||
/**
|
||||
* \var exc_nest_count
|
||||
* \brief the counter for exc/int processing, =0 no int/exc
|
||||
* >1 in int/exc processing
|
||||
* @}
|
||||
*/
|
||||
uint32_t exc_nest_count;
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief kernel tick interrupt handler of freertos
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
static void vKernelTick( void * ptr )
|
||||
{
|
||||
/* clear timer interrupt */
|
||||
arc_timer_int_clear( BOARD_OS_TIMER_ID );
|
||||
board_timer_update( configTICK_RATE_HZ );
|
||||
|
||||
if( xTaskIncrementTick() )
|
||||
{
|
||||
portYIELD_FROM_ISR(); /* need to make task switch */
|
||||
}
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief setup freertos kernel tick
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
unsigned int cyc = configCPU_CLOCK_HZ / configTICK_RATE_HZ;
|
||||
|
||||
int_disable( BOARD_OS_TIMER_INTNO ); /* disable os timer interrupt */
|
||||
arc_timer_stop( BOARD_OS_TIMER_ID );
|
||||
arc_timer_start( BOARD_OS_TIMER_ID, TIMER_CTRL_IE | TIMER_CTRL_NH, cyc );
|
||||
|
||||
int_handler_install( BOARD_OS_TIMER_INTNO, ( INT_HANDLER_T ) vKernelTick );
|
||||
int_pri_set( BOARD_OS_TIMER_INTNO, INT_PRI_MIN );
|
||||
int_enable( BOARD_OS_TIMER_INTNO );
|
||||
}
|
||||
|
||||
/*
|
||||
* Setup the stack of a new task so it is ready to be placed under the
|
||||
* scheduler control. The registers have to be placed on the stack in
|
||||
* the order that the port expects to find them.
|
||||
*
|
||||
* For ARC, task context switch is implemented with the help of SWI exception
|
||||
* It's not efficient but simple.
|
||||
*
|
||||
*/
|
||||
StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
|
||||
TaskFunction_t pxCode,
|
||||
void * pvParameters )
|
||||
{
|
||||
/* To ensure asserts in tasks.c don't fail, although in this case the assert
|
||||
* is not really required. */
|
||||
pxTopOfStack--;
|
||||
|
||||
/* Setup the initial stack of the task. The stack is set exactly as
|
||||
* expected by the portRESTORE_CONTEXT() macro. */
|
||||
|
||||
/* When the task starts is will expect to find the function parameter in
|
||||
* R0. */
|
||||
*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
|
||||
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) pxCode; /* function body */
|
||||
|
||||
/* PC */
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) start_r; /* dispatch return address */
|
||||
|
||||
pxTopOfStack--;
|
||||
*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_NESTING;
|
||||
return pxTopOfStack;
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief start the freertos scheduler, go to the first task
|
||||
*
|
||||
* @returns
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
BaseType_t xPortStartScheduler( void )
|
||||
{
|
||||
/* Start the timer that generates the tick ISR. */
|
||||
prvSetupTimerInterrupt();
|
||||
start_dispatch();
|
||||
|
||||
/* Should not get here! */
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
void vPortEndScheduler( void )
|
||||
{
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief generate a task switch request in ISR
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
void vPortYieldFromIsr( void )
|
||||
{
|
||||
unsigned int status32;
|
||||
|
||||
status32 = cpu_lock_save();
|
||||
context_switch_reqflg = true;
|
||||
cpu_unlock_restore( status32 );
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
void vPortYield( void )
|
||||
{
|
||||
unsigned int status32;
|
||||
|
||||
status32 = cpu_lock_save();
|
||||
dispatch();
|
||||
cpu_unlock_restore( status32 );
|
||||
}
|
||||
|
||||
/* --------------------------------------------------------------------------*/
|
||||
|
||||
/**
|
||||
* @brief
|
||||
*/
|
||||
/* ----------------------------------------------------------------------------*/
|
||||
void vPortEndTask( void )
|
||||
{
|
||||
#if ( INCLUDE_vTaskDelete == 1 )
|
||||
vTaskDelete( NULL ); /* Delete task itself */
|
||||
#endif
|
||||
|
||||
while( 1 ) /* Yield to other task */
|
||||
{
|
||||
vPortYield();
|
||||
}
|
||||
}
|
||||
|
||||
#if ARC_FEATURE_STACK_CHECK
|
||||
|
||||
/*
|
||||
* !!! Note !!!
|
||||
* This a trick!!!
|
||||
* It's a copy from task.c. We need to konw the definition of TCB for the purpose of hardware
|
||||
* stack check. Pls don't forget to update it when FreeRTOS is updated.
|
||||
*/
|
||||
typedef struct tskTaskControlBlock /* The old naming convention is used to prevent breaking kernel aware debuggers. */
|
||||
{
|
||||
volatile StackType_t * pxTopOfStack; /*< Points to the location of the last item placed on the tasks stack. THIS MUST BE THE FIRST MEMBER OF THE TCB STRUCT. */
|
||||
|
||||
#if ( portUSING_MPU_WRAPPERS == 1 )
|
||||
xMPU_SETTINGS xMPUSettings; /*< The MPU settings are defined as part of the port layer. THIS MUST BE THE SECOND MEMBER OF THE TCB STRUCT. */
|
||||
#endif
|
||||
|
||||
ListItem_t xStateListItem; /*< The list that the state list item of a task is reference from denotes the state of that task (Ready, Blocked, Suspended ). */
|
||||
ListItem_t xEventListItem; /*< Used to reference a task from an event list. */
|
||||
UBaseType_t uxPriority; /*< The priority of the task. 0 is the lowest priority. */
|
||||
StackType_t * pxStack; /*< Points to the start of the stack. */
|
||||
char pcTaskName[ configMAX_TASK_NAME_LEN ]; /*< Descriptive name given to the task when created. Facilitates debugging only. */ /*lint !e971 Unqualified char types are allowed for strings and single characters only. */
|
||||
|
||||
#if ( ( portSTACK_GROWTH > 0 ) || ( configRECORD_STACK_HIGH_ADDRESS == 1 ) )
|
||||
StackType_t * pxEndOfStack; /*< Points to the highest valid address for the stack. */
|
||||
#endif
|
||||
|
||||
#if ( portCRITICAL_NESTING_IN_TCB == 1 )
|
||||
UBaseType_t uxCriticalNesting; /*< Holds the critical section nesting depth for ports that do not maintain their own count in the port layer. */
|
||||
#endif
|
||||
|
||||
#if ( configUSE_TRACE_FACILITY == 1 )
|
||||
UBaseType_t uxTCBNumber; /*< Stores a number that increments each time a TCB is created. It allows debuggers to determine when a task has been deleted and then recreated. */
|
||||
UBaseType_t uxTaskNumber; /*< Stores a number specifically for use by third party trace code. */
|
||||
#endif
|
||||
|
||||
#if ( configUSE_MUTEXES == 1 )
|
||||
UBaseType_t uxBasePriority; /*< The priority last assigned to the task - used by the priority inheritance mechanism. */
|
||||
UBaseType_t uxMutexesHeld;
|
||||
#endif
|
||||
|
||||
#if ( configUSE_APPLICATION_TASK_TAG == 1 )
|
||||
TaskHookFunction_t pxTaskTag;
|
||||
#endif
|
||||
|
||||
#if ( configNUM_THREAD_LOCAL_STORAGE_POINTERS > 0 )
|
||||
void * pvThreadLocalStoragePointers[ configNUM_THREAD_LOCAL_STORAGE_POINTERS ];
|
||||
#endif
|
||||
|
||||
#if ( configGENERATE_RUN_TIME_STATS == 1 )
|
||||
uint32_t ulRunTimeCounter; /*< Stores the amount of time the task has spent in the Running state. */
|
||||
#endif
|
||||
|
||||
#if ( configUSE_NEWLIB_REENTRANT == 1 )
|
||||
|
||||
/* Allocate a Newlib reent structure that is specific to this task.
|
||||
* Note Newlib support has been included by popular demand, but is not
|
||||
* used by the FreeRTOS maintainers themselves. FreeRTOS is not
|
||||
* responsible for resulting newlib operation. User must be familiar with
|
||||
* newlib and must provide system-wide implementations of the necessary
|
||||
* stubs. Be warned that (at the time of writing) the current newlib design
|
||||
* implements a system-wide malloc() that must be provided with locks. */
|
||||
struct _reent xNewLib_reent;
|
||||
#endif
|
||||
|
||||
#if ( configUSE_TASK_NOTIFICATIONS == 1 )
|
||||
volatile uint32_t ulNotifiedValue;
|
||||
volatile uint8_t ucNotifyState;
|
||||
#endif
|
||||
|
||||
/* See the comments above the definition of
|
||||
* tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE. */
|
||||
#if ( tskSTATIC_AND_DYNAMIC_ALLOCATION_POSSIBLE != 0 ) /*lint !e731 !e9029 Macro has been consolidated for readability reasons. */
|
||||
uint8_t ucStaticallyAllocated; /*< Set to pdTRUE if the task is a statically allocated to ensure no attempt is made to free the memory. */
|
||||
#endif
|
||||
|
||||
#if ( INCLUDE_xTaskAbortDelay == 1 )
|
||||
uint8_t ucDelayAborted;
|
||||
#endif
|
||||
|
||||
#if ( configUSE_POSIX_ERRNO == 1 )
|
||||
int iTaskErrno;
|
||||
#endif
|
||||
} tskTCB;
|
||||
|
||||
|
||||
void vPortSetStackCheck( TaskHandle_t old,
|
||||
TaskHandle_t new )
|
||||
{
|
||||
if( new != NULL )
|
||||
{
|
||||
arc_aux_write( AUX_USTACK_BASE, ( uint32_t ) ( new->pxEndOfStack ) );
|
||||
arc_aux_write( AUX_USTACK_TOP, ( uint32_t ) ( new->pxStack ) );
|
||||
}
|
||||
}
|
||||
#endif /* if ARC_FEATURE_STACK_CHECK */
|
||||
149
portable/ThirdParty/GCC/ARC_v1/portmacro.h
vendored
Normal file
149
portable/ThirdParty/GCC/ARC_v1/portmacro.h
vendored
Normal file
@ -0,0 +1,149 @@
|
||||
/*
|
||||
* FreeRTOS Kernel V10.2.1
|
||||
* Copyright (C) 2020 Synopsys, Inc. or its affiliates. All Rights Reserved.
|
||||
*
|
||||
* Permission is hereby granted, free of charge, to any person obtaining a copy of
|
||||
* this software and associated documentation files (the "Software"), to deal in
|
||||
* the Software without restriction, including without limitation the rights to
|
||||
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
|
||||
* the Software, and to permit persons to whom the Software is furnished to do so,
|
||||
* subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in all
|
||||
* copies or substantial portions of the Software.
|
||||
*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
|
||||
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
|
||||
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
|
||||
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
||||
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
*
|
||||
* http://www.FreeRTOS.org
|
||||
* http://aws.amazon.com/freertos
|
||||
*
|
||||
* 1 tab == 4 spaces!
|
||||
*/
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
#include "embARC.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* record stack high address for stack check */
|
||||
#ifndef configRECORD_STACK_HIGH_ADDRESS
|
||||
#define configRECORD_STACK_HIGH_ADDRESS 1
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
*
|
||||
* The settings in this file configure FreeRTOS correctly for the
|
||||
* given hardware and compiler.
|
||||
*
|
||||
* These settings should not be altered.
|
||||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE unsigned int
|
||||
#define portBASE_TYPE portLONG
|
||||
|
||||
#ifndef Asm
|
||||
#define Asm __asm__ volatile
|
||||
#endif
|
||||
|
||||
/*
|
||||
* normal constants
|
||||
*/
|
||||
#ifndef NULL
|
||||
#define NULL 0 /* invalid pointer */
|
||||
#endif /* NULL */
|
||||
|
||||
#ifndef true
|
||||
#define true 1 /* true */
|
||||
#endif /* true */
|
||||
|
||||
#ifndef false
|
||||
#define false 0 /* false */
|
||||
#endif /* false */
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef unsigned int TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
|
||||
#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
#define portNOP() Asm( "nop_s" );
|
||||
#define IPM_ENABLE_ALL 1
|
||||
|
||||
#define portYIELD_FROM_ISR() vPortYieldFromIsr()
|
||||
#define portYIELD() vPortYield()
|
||||
|
||||
/* Critical section management. */
|
||||
#define portDISABLE_INTERRUPTS() \
|
||||
{ \
|
||||
arc_lock(); \
|
||||
} \
|
||||
|
||||
#define portENABLE_INTERRUPTS() \
|
||||
{ \
|
||||
arc_unlock(); \
|
||||
} \
|
||||
|
||||
extern volatile unsigned int ulCriticalNesting;
|
||||
|
||||
#define portENTER_CRITICAL() \
|
||||
{ \
|
||||
portDISABLE_INTERRUPTS() \
|
||||
ulCriticalNesting++; \
|
||||
}
|
||||
|
||||
|
||||
#define portEXIT_CRITICAL() \
|
||||
{ \
|
||||
if( ulCriticalNesting > portNO_CRITICAL_NESTING ) \
|
||||
{ \
|
||||
ulCriticalNesting--; \
|
||||
if( ulCriticalNesting == portNO_CRITICAL_NESTING ) \
|
||||
{ \
|
||||
portENABLE_INTERRUPTS() \
|
||||
} \
|
||||
} \
|
||||
}
|
||||
|
||||
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
|
||||
#define portCONFIGURE_TIMER_FOR_RUN_TIME_STATS() do {} while( 0 ) /* we use the timer */
|
||||
#define portALT_GET_RUN_TIME_COUNTER_VALUE( dest ) ( dest = xTickCount )
|
||||
|
||||
#define portCLEAN_UP_TCB( pxTCB ) ( void ) pxTCB
|
||||
|
||||
void vPortYield( void );
|
||||
void vPortYieldFromIsr( void );
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
Loading…
x
Reference in New Issue
Block a user