You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
3.0 KiB
81 lines
3.0 KiB
//
|
|
// static assert and general purpose useful macros, borrowed in part from the DAPLink project
|
|
//
|
|
|
|
/**
|
|
* @file macro.h
|
|
* @brief useful things + Special asserts and macros
|
|
*
|
|
* DAPLink Interface Firmware
|
|
* Copyright (c) 2009-2016, ARM Limited, All Rights Reserved
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
* not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef VFS_MACRO_H
|
|
#define VFS_MACRO_H
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
// --------------- VFS macros and general purpose --------------------
|
|
|
|
#define ELEMENTS_IN_ARRAY(array) (sizeof(array)/sizeof(array[0]))
|
|
|
|
#define MB(size) ((size) * 1024 * 1024)
|
|
|
|
#define KB(size) ((size) * 1024)
|
|
|
|
#ifndef MIN
|
|
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
#ifndef MAX
|
|
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
|
|
#endif
|
|
|
|
#define ROUND_UP(value, boundary) ((value) + ((boundary) - (value)) % (boundary))
|
|
|
|
#define ROUND_DOWN(value, boundary) ((value) - ((value) % (boundary)))
|
|
|
|
// ---------- HELPERS FOR XMACROS -----------------
|
|
|
|
#define XJOIN(a, b) a##b
|
|
#define STR_(x) #x
|
|
#define STR(x) STR_(x)
|
|
|
|
// ---------- COMPILER SPECIAL MACROS -------------
|
|
|
|
#define COMPILER_CONCAT_(a, b) a##b
|
|
#define COMPILER_CONCAT(a, b) COMPILER_CONCAT_(a, b)
|
|
|
|
// Divide by zero if the the expression is false. This
|
|
// causes an error at compile time.
|
|
//
|
|
// The special value '__COUNTER__' is used to create a unique value to
|
|
// append to 'compiler_assert_' to create a unique token. This prevents
|
|
// conflicts resulting from the same enum being declared multiple times.
|
|
#define COMPILER_ASSERT(e) enum { COMPILER_CONCAT(compiler_assert_, __COUNTER__) = 1/((e) ? 1 : 0) }
|
|
|
|
#define __at(_addr) __attribute__ ((at(_addr)))
|
|
|
|
#define VA_ARG_COUNT(...) INTERNAL_GET_ARG_COUNT_PRIVATE(0, ## __VA_ARGS__, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0)
|
|
#define INTERNAL_GET_ARG_COUNT_PRIVATE(_0, _1_, _2_, _3_, _4_, _5_, _6_, _7_, _8_, _9_, _10_, _11_, _12_, _13_, _14_, _15_, _16_, _17_, _18_, _19_, _20_, _21_, _22_, _23_, _24_, _25_, _26_, _27_, _28_, _29_, _30_, _31_, _32_, _33_, _34_, _35_, _36, _37, _38, _39, _40, _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, _61, _62, _63, _64, _65, _66, _67, _68, _69, _70, count, ...) count
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|
|
|