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https://github.com/riscv-software-src/opensbi.git
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e340bbf7b5
Add OPENSBI_EXTERNAL_SBI_TYPES macro to allow external definitions of data types and common macros. Also move some common definitions from sbi_bits.h to sbi_types.h. Signed-off-by: Abner Chang <abner.chang@hpe.com> Cc: Leif Lindholm <leif.lindholm@linaro.org> Reviewed-by: Anup Patel <anup.patel@wdc.com>
20 lines
515 B
C
20 lines
515 B
C
/*
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2019 Western Digital Corporation or its affiliates.
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*
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* Authors:
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* Anup Patel <anup.patel@wdc.com>
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*/
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#ifndef __SBI_BITS_H__
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#define __SBI_BITS_H__
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#define EXTRACT_FIELD(val, which) (((val) & (which)) / ((which) & ~((which)-1)))
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#define INSERT_FIELD(val, which, fieldval) \
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(((val) & ~(which)) | ((fieldval) * ((which) & ~((which)-1))))
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#define BIT_MASK(nr) (1UL << ((nr) % BITS_PER_LONG))
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#define BIT_WORD(nr) ((nr) / BITS_PER_LONG)
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#endif
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