42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/*
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* This file is part of the libopencm3 project.
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*
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* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef LIBOPENCM3_CM3_COMMON_H
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#define LIBOPENCM3_CM3_COMMON_H
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#include <stdint.h>
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#include <stdbool.h>
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/* Type definitions for shorter and nicer code */
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typedef int8_t s8;
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typedef int16_t s16;
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typedef int32_t s32;
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typedef uint8_t u8;
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typedef uint16_t u16;
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typedef uint32_t u32;
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typedef uint64_t u64;
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/* Generic memory-mapped I/O accessor functions */
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#define MMIO8(addr) (*(volatile u8 *)(addr))
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#define MMIO16(addr) (*(volatile u16 *)(addr))
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#define MMIO32(addr) (*(volatile u32 *)(addr))
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#define MMIO64(addr) (*(volatile u64 *)(addr))
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#endif
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