30 lines
940 B
C
30 lines
940 B
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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#ifndef _ARCH_IO_H
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#define _ARCH_IO_H
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#include <inttypes.h>
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/* Functions in this file are unimplemented by default. Tests are expected to implement
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mocks for these functions, if tests will call functions using functions listed below. */
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uint8_t readb(volatile const void *_a);
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uint16_t readw(volatile const void *_a);
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uint32_t readl(volatile const void *_a);
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void writeb(uint8_t _v, volatile void *_a);
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void writew(uint16_t _v, volatile void *_a);
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void writel(uint32_t _v, volatile void *_a);
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uint8_t read8(volatile const void *addr);
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uint16_t read16(volatile const void *addr);
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uint32_t read32(volatile const void *addr);
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uint64_t read64(volatile const void *addr);
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void write8(volatile void *addr, uint8_t val);
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void write16(volatile void *addr, uint16_t val);
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void write32(volatile void *addr, uint32_t val);
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void write64(volatile void *addr, uint64_t val);
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#endif /* _ARCH_IO_H */
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