25 lines
1.1 KiB
C
25 lines
1.1 KiB
C
// This file is part of the CircuitPython project: https://circuitpython.org
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//
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// SPDX-FileCopyrightText: Copyright (c) 2020 Scott Shawcroft for Adafruit Industries
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//
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// SPDX-License-Identifier: MIT
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// These macros are used to place code and data into different linking sections.
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#pragma once
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#if defined(IMXRT1XXX) || defined(FOMU) || defined(RASPBERRYPI)
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#define PLACE_IN_DTCM_DATA(name) name __attribute__((section(".dtcm_data." #name)))
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#define PLACE_IN_DTCM_BSS(name) name __attribute__((section(".dtcm_bss." #name)))
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// Don't inline ITCM functions because that may pull them out of ITCM into other sections.
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#define PLACE_IN_ITCM(name) __attribute__((section(".itcm." #name), noinline, aligned(4))) name
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#elif defined(STM32H7)
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#define PLACE_IN_DTCM_DATA(name) name __attribute__((section(".dtcm_data." #name)))
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#define PLACE_IN_DTCM_BSS(name) name __attribute__((section(".dtcm_bss." #name)))
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// using ITCM on the H7 generates hard fault exception
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#define PLACE_IN_ITCM(name) name
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#else
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#define PLACE_IN_DTCM_DATA(name) name
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#define PLACE_IN_DTCM_BSS(name) name
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#define PLACE_IN_ITCM(name) name
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#endif
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