pkarashchenko commented on code in PR #6478: URL: https://github.com/apache/incubator-nuttx/pull/6478#discussion_r906687696
########## arch/arm64/src/common/arm64_arch.h: ########## @@ -0,0 +1,531 @@ +/**************************************************************************** + * arch/arm64/src/common/arm64_arch.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you 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 ___ARCH_ARM64_SRC_COMMON_ARM64_ARCH_H +#define ___ARCH_ARM64_SRC_COMMON_ARM64_ARCH_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#ifndef __ASSEMBLY__ +# include <stdint.h> +#endif + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define STRINGIFY(x) #x +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +/* define MAX(a, b)/MIN(a, b) + * The larger/smaller value between a and b. + * Arguments are evaluated twice. + */ +#ifndef MIN +#define MAX(a, b) (((a) > (b)) ? (a) : (b)) +#endif + +#ifndef MIN +#define MIN(a, b) (((a) < (b)) ? (a) : (b)) +#endif + +/* Number of bytes in @p x kibibytes/mebibytes/gibibytes */ +#define KB(x) ((x) << 10) +#define MB(x) (KB(x) << 10) +#define GB(x) (MB(x) << 10) + +/* Unsigned integer with bit position n set (signed in + * assembly language). + */ +#define BIT(n) (1UL << (n)) +#define BIT64(_n) (1ULL << (_n)) + +/* Bit mask with bits 0 through n-1 (inclusive) set, + * or 0 if n is 0. + */ +#define BIT_MASK(n) (BIT(n) - 1) +#define BIT64_MASK(n) (BIT64(n) - 1ULL) Review Comment: Sure -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: commits-unsubscr...@nuttx.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
