| param.h (0497c9b47804fe7842fef838965cb9cda66b8f6a) | param.h (d846855da8c8142a2f647f7a4c6949b341261297) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 174 unchanged lines hidden (view full) --- 183#define powerof2(x) ((((x)-1)&(x))==0) 184 185/* Macros for min/max. */ 186#ifndef _KERNEL 187#define MIN(a,b) (((a)<(b))?(a):(b)) 188#define MAX(a,b) (((a)>(b))?(a):(b)) 189#endif 190 | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * (c) UNIX System Laboratories, Inc. 5 * All or some portions of this file are derived from material licensed 6 * to the University of California by American Telephone and Telegraph 7 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8 * the permission of UNIX System Laboratories, Inc. --- 174 unchanged lines hidden (view full) --- 183#define powerof2(x) ((((x)-1)&(x))==0) 184 185/* Macros for min/max. */ 186#ifndef _KERNEL 187#define MIN(a,b) (((a)<(b))?(a):(b)) 188#define MAX(a,b) (((a)>(b))?(a):(b)) 189#endif 190 |
| 191#ifdef _KERNEL | |
| 192/* | 191/* |
| 193 * Extended byte order support functions, for kernel use only currently. 194 * First, generic implementation of the byte swapping functions for those 195 * architectures that do not have optimized variants of each. | 192 * Basic byte order function prototypes for non-inline functions. 193 * 194 * XXX temporarily exposed to userland for bogus software. |
| 196 */ | 195 */ |
| 197#ifndef _BSWAP16_DEFINED 198#define _BSWAP16_DEFINED 199static __inline __uint16_t 200__bswap16(__uint16_t x) 201{ 202 return ((x >> 8) | ((x << 8) & 0xff00U)); 203} | 196#ifndef _BYTEORDER_PROTOTYPED 197#define _BYTEORDER_PROTOTYPED 198__BEGIN_DECLS 199__uint32_t htonl __P((__uint32_t)); 200__uint16_t htons __P((__uint16_t)); 201__uint32_t ntohl __P((__uint32_t)); 202__uint16_t ntohs __P((__uint16_t)); 203__END_DECLS |
| 204#endif 205 | 204#endif 205 |
| 206#ifndef _BSWAP32_DEFINED 207#define _BSWAP32_DEFINED 208static __inline __uint32_t 209__bswap32(__uint32_t x) 210{ 211 return ((x >> 24) | ((x >> 8) & 0xff00U) | ((x << 8) & 0xff0000U) | 212 ((x << 24) & 0xff000000U)); 213} 214#endif | 206/* XXX temporarily exposed to userland for bogus software. */ 207#ifndef _BYTEORDER_FUNC_DEFINED 208#define _BYTEORDER_FUNC_DEFINED 209#define htonl(x) __htonl(x) 210#define htons(x) __htons(x) 211#define ntohl(x) __ntohl(x) 212#define ntohs(x) __ntohs(x) 213#endif /* !_BYTEORDER_FUNC_DEFINED */ |
| 215 | 214 |
| 216#ifndef _BSWAP64_DEFINED 217#define _BSWAP64_DEFINED 218static __inline __uint64_t 219__bswap64(__uint64_t x) 220{ 221 return ((x >> 56) | ((x >> 40) & 0xff00UL) | ((x >> 24) & 0xff0000UL) | 222 ((x >> 8) & 0xff000000UL) | ((x << 8) & 0xff00000000UL) | 223 ((x << 24) & 0xff0000000000UL) | ((x << 40) & 0xff000000000000UL) | 224 ((x << 56))); 225} 226#endif 227 | 215#ifdef _KERNEL |
| 228#define bswap16(x) __bswap16(x) 229#define bswap32(x) __bswap32(x) 230#define bswap64(x) __bswap64(x) 231 232#if BYTE_ORDER == LITTLE_ENDIAN 233#define htobe16(x) bswap16((x)) 234#define htobe32(x) bswap32((x)) 235#define htobe64(x) bswap64((x)) --- 18 unchanged lines hidden (view full) --- 254#define be16toh(x) ((__uint16_t)(x)) 255#define be32toh(x) ((__uint32_t)(x)) 256#define be64toh(x) ((__uint64_t)(x)) 257#define le16toh(x) bswap16((x)) 258#define le32toh(x) bswap32((x)) 259#define le64toh(x) bswap64((x)) 260#endif /* BYTE_ORDER */ 261 | 216#define bswap16(x) __bswap16(x) 217#define bswap32(x) __bswap32(x) 218#define bswap64(x) __bswap64(x) 219 220#if BYTE_ORDER == LITTLE_ENDIAN 221#define htobe16(x) bswap16((x)) 222#define htobe32(x) bswap32((x)) 223#define htobe64(x) bswap64((x)) --- 18 unchanged lines hidden (view full) --- 242#define be16toh(x) ((__uint16_t)(x)) 243#define be32toh(x) ((__uint32_t)(x)) 244#define be64toh(x) ((__uint64_t)(x)) 245#define le16toh(x) bswap16((x)) 246#define le32toh(x) bswap32((x)) 247#define le64toh(x) bswap64((x)) 248#endif /* BYTE_ORDER */ 249 |
| 262#define htonl(x) htobe32((x)) 263#define htons(x) htobe16((x)) 264#define ntohl(x) be32toh((x)) 265#define ntohs(x) be16toh((x)) 266 | |
| 267#endif /* _KERNEL */ 268 269/* 270 * Constants for setting the parameters of the kernel memory allocator. 271 * 272 * 2 ** MINBUCKET is the smallest unit of memory that will be 273 * allocated. It must be at least large enough to hold a pointer. 274 * --- 37 unchanged lines hidden --- | 250#endif /* _KERNEL */ 251 252/* 253 * Constants for setting the parameters of the kernel memory allocator. 254 * 255 * 2 ** MINBUCKET is the smallest unit of memory that will be 256 * allocated. It must be at least large enough to hold a pointer. 257 * --- 37 unchanged lines hidden --- |