diff options
Diffstat (limited to 'platform/linux-generic/include/odp_macros_internal.h')
-rw-r--r-- | platform/linux-generic/include/odp_macros_internal.h | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/platform/linux-generic/include/odp_macros_internal.h b/platform/linux-generic/include/odp_macros_internal.h new file mode 100644 index 000000000..88251d627 --- /dev/null +++ b/platform/linux-generic/include/odp_macros_internal.h @@ -0,0 +1,101 @@ +/* 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 |