diff options
Diffstat (limited to 'platform/linux-generic/include/odp_macros_internal.h')
| -rw-r--r-- | platform/linux-generic/include/odp_macros_internal.h | 63 |
1 files changed, 47 insertions, 16 deletions
diff --git a/platform/linux-generic/include/odp_macros_internal.h b/platform/linux-generic/include/odp_macros_internal.h index b8be7f938..abf017aec 100644 --- a/platform/linux-generic/include/odp_macros_internal.h +++ b/platform/linux-generic/include/odp_macros_internal.h @@ -1,4 +1,5 @@ -/* Copyright (c) 2018-2018, Linaro Limited +/* Copyright (c) 2014-2018, Linaro Limited + * Copyright (c) 2022, Nokia * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause @@ -17,37 +18,67 @@ extern "C" { #endif -#include <odp/api/debug.h> +#include <odp/api/align.h> -#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) +#include <stdint.h> -#define MIN(a, b) \ +#define _ODP_ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +#define _ODP_MIN(a, b) \ __extension__ ({ \ __typeof__(a) tmp_a = (a); \ __typeof__(b) tmp_b = (b); \ tmp_a < tmp_b ? tmp_a : tmp_b; \ }) -#define MAX(a, b) \ +#define _ODP_MAX(a, b) \ __extension__ ({ \ __typeof__(a) tmp_a = (a); \ __typeof__(b) tmp_b = (b); \ tmp_a > tmp_b ? tmp_a : tmp_b; \ }) -#define MAX3(a, b, c) (MAX(MAX((a), (b)), (c))) +#define _ODP_MAX3(a, b, c) (_ODP_MAX(_ODP_MAX((a), (b)), (c))) -#define odp_container_of(pointer, type, member) \ - ((type *)(void *)(((char *)pointer) - offsetof(type, member))) +/* 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)) -#define DIV_ROUND_UP(a, b) \ - __extension__ ({ \ - __typeof__(a) tmp_a = (a); \ - __typeof__(b) tmp_b = (b); \ - ODP_STATIC_ASSERT(__builtin_constant_p(b), ""); \ - ODP_STATIC_ASSERT((((b) - 1) & (b)) == 0, ""); \ - (tmp_a + tmp_b - 1) >> __builtin_ctz(tmp_b); \ - }) +/* 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 } |