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/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2014-2018 Linaro Limited
* Copyright (c) 2022-2024 Nokia
*/
/**
* @file
*
* ODP miscellaneous macros
*/
#ifndef ODP_MACROS_INTERNAL_H_
#define ODP_MACROS_INTERNAL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp/api/align.h>
#include <stdint.h>
#define _ODP_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
#define _ODP_MIN(a, b) \
__extension__ ({ \
__typeof__(a) min_a = (a); \
__typeof__(b) min_b = (b); \
min_a < min_b ? min_a : min_b; \
})
#define _ODP_MAX(a, b) \
__extension__ ({ \
__typeof__(a) max_a = (a); \
__typeof__(b) max_b = (b); \
max_a > max_b ? max_a : max_b; \
})
#define _ODP_MIN3(a, b, c) \
__extension__ ({ \
__typeof__(a) min3_a = (a); \
__typeof__(b) min3_b = (b); \
__typeof__(c) min3_c = (c); \
(min3_a < min3_b ? (min3_a < min3_c ? min3_a : min3_c) : \
(min3_b < min3_c ? min3_b : min3_c)); \
})
#define _ODP_MAX3(a, b, c) \
__extension__ ({ \
__typeof__(a) max3_a = (a); \
__typeof__(b) max3_b = (b); \
__typeof__(c) max3_c = (c); \
(max3_a > max3_b ? (max3_a > max3_c ? max3_a : max3_c) : \
(max3_b > max3_c ? max3_b : max3_c)); \
})
/* Macros to calculate ODP_ROUNDUP_POWER2_U32() in five rounds of shift
* and OR operations. */
#define __ODP_RSHIFT_U32(x, y) (((uint32_t)(x)) >> (y))
#define __ODP_POW2_U32_R1(x) (((uint32_t)(x)) | __ODP_RSHIFT_U32(x, 1))
#define __ODP_POW2_U32_R2(x) (__ODP_POW2_U32_R1(x) | __ODP_RSHIFT_U32(__ODP_POW2_U32_R1(x), 2))
#define __ODP_POW2_U32_R3(x) (__ODP_POW2_U32_R2(x) | __ODP_RSHIFT_U32(__ODP_POW2_U32_R2(x), 4))
#define __ODP_POW2_U32_R4(x) (__ODP_POW2_U32_R3(x) | __ODP_RSHIFT_U32(__ODP_POW2_U32_R3(x), 8))
#define __ODP_POW2_U32_R5(x) (__ODP_POW2_U32_R4(x) | __ODP_RSHIFT_U32(__ODP_POW2_U32_R4(x), 16))
/* Round up a uint32_t value 'x' to the next power of two.
*
* The value is not round up, if it's already a power of two (including 1).
* The value must be larger than 0 and not exceed 0x80000000.
*/
#define _ODP_ROUNDUP_POWER2_U32(x) \
((((uint32_t)(x)) > 0x80000000) ? 0 : (__ODP_POW2_U32_R5(x - 1) + 1))
/*
* Round up 'x' to alignment 'align'
*/
#define _ODP_ROUNDUP_ALIGN(x, align)\
((align) * (((x) + (align) - 1) / (align)))
/*
* Round up 'x' to cache line size alignment
*/
#define _ODP_ROUNDUP_CACHE_LINE(x)\
_ODP_ROUNDUP_ALIGN(x, ODP_CACHE_LINE_SIZE)
/*
* Round down 'x' to 'align' alignment, which is a power of two
*/
#define _ODP_ROUNDDOWN_POWER2(x, align)\
((x) & (~((align) - 1)))
/*
* Check if value is a power of two
*/
#define _ODP_CHECK_IS_POWER2(x) ((((x) - 1) & (x)) == 0)
#ifdef __cplusplus
}
#endif
#endif
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