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35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* General utilities
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA
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*/
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#pragma once
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#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#ifdef __ARM
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#define local_irq_save(x) \
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({ \
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x = __get_PRIMASK(); \
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__disable_irq(); \
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})
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#define local_irq_restore(x) \
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__set_PRIMASK(x)
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#else
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#warning "local_irq_{save,restore}() not implemented"
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#define local_irq_save(x)
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#define local_irq_restore(x)
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#endif
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