Current Path : /sys/dev/usb/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
Current File : //sys/dev/usb/usb_endian.h |
/* $FreeBSD: release/9.1.0/sys/dev/usb/usb_endian.h 196219 2009-08-14 20:03:53Z jhb $ */ /* * Copyright (c) 2008 Hans Petter Selasky. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _USB_ENDIAN_H_ #define _USB_ENDIAN_H_ #include <sys/stdint.h> #include <sys/endian.h> /* * Declare the basic USB record types. USB records have an alignment * of 1 byte and are always packed. */ typedef uint8_t uByte; typedef uint8_t uWord[2]; typedef uint8_t uDWord[4]; typedef uint8_t uQWord[8]; /* * Define a set of macros that can get and set data independent of * CPU endianness and CPU alignment requirements: */ #define UGETB(w) \ ((w)[0]) #define UGETW(w) \ ((w)[0] | \ (((uint16_t)((w)[1])) << 8)) #define UGETDW(w) \ ((w)[0] | \ (((uint16_t)((w)[1])) << 8) | \ (((uint32_t)((w)[2])) << 16) | \ (((uint32_t)((w)[3])) << 24)) #define UGETQW(w) \ ((w)[0] | \ (((uint16_t)((w)[1])) << 8) | \ (((uint32_t)((w)[2])) << 16) | \ (((uint32_t)((w)[3])) << 24) | \ (((uint64_t)((w)[4])) << 32) | \ (((uint64_t)((w)[5])) << 40) | \ (((uint64_t)((w)[6])) << 48) | \ (((uint64_t)((w)[7])) << 56)) #define USETB(w,v) do { \ (w)[0] = (uint8_t)(v); \ } while (0) #define USETW(w,v) do { \ (w)[0] = (uint8_t)(v); \ (w)[1] = (uint8_t)((v) >> 8); \ } while (0) #define USETDW(w,v) do { \ (w)[0] = (uint8_t)(v); \ (w)[1] = (uint8_t)((v) >> 8); \ (w)[2] = (uint8_t)((v) >> 16); \ (w)[3] = (uint8_t)((v) >> 24); \ } while (0) #define USETQW(w,v) do { \ (w)[0] = (uint8_t)(v); \ (w)[1] = (uint8_t)((v) >> 8); \ (w)[2] = (uint8_t)((v) >> 16); \ (w)[3] = (uint8_t)((v) >> 24); \ (w)[4] = (uint8_t)((v) >> 32); \ (w)[5] = (uint8_t)((v) >> 40); \ (w)[6] = (uint8_t)((v) >> 48); \ (w)[7] = (uint8_t)((v) >> 56); \ } while (0) #define USETW2(w,b1,b0) do { \ (w)[0] = (uint8_t)(b0); \ (w)[1] = (uint8_t)(b1); \ } while (0) #define USETW4(w,b3,b2,b1,b0) do { \ (w)[0] = (uint8_t)(b0); \ (w)[1] = (uint8_t)(b1); \ (w)[2] = (uint8_t)(b2); \ (w)[3] = (uint8_t)(b3); \ } while (0) #define USETW8(w,b7,b6,b5,b4,b3,b2,b1,b0) do { \ (w)[0] = (uint8_t)(b0); \ (w)[1] = (uint8_t)(b1); \ (w)[2] = (uint8_t)(b2); \ (w)[3] = (uint8_t)(b3); \ (w)[4] = (uint8_t)(b4); \ (w)[5] = (uint8_t)(b5); \ (w)[6] = (uint8_t)(b6); \ (w)[7] = (uint8_t)(b7); \ } while (0) #endif /* _USB_ENDIAN_H_ */