diff --git a/src/libs/compat/freebsd_network/compat/dev/usb/usb_endian.h b/src/libs/compat/freebsd_network/compat/dev/usb/usb_endian.h index 48f599e06d..a35f5fca7b 100644 --- a/src/libs/compat/freebsd_network/compat/dev/usb/usb_endian.h +++ b/src/libs/compat/freebsd_network/compat/dev/usb/usb_endian.h @@ -1,28 +1,118 @@ +/* $FreeBSD$ */ /* - * Copyright 2020, Haiku, Inc. All rights reserved. - * Distributed under the terms of the MIT license. + * SPDX-License-Identifier: BSD-2-Clause-FreeBSD * - * Authors: - * Augustin Cavalier + * 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 - +/* + * Declare the basic USB record types. USB records have an alignment + * of 1 byte and are always packed. + */ typedef uint8_t uByte; -typedef uint16_t uWord; -typedef uint32_t uDWord; -typedef uint64_t uQWord; +typedef uint8_t uWord[2]; +typedef uint8_t uDWord[4]; +typedef uint8_t uQWord[8]; -#define UGETB(w) (uint8_t)(w) -#define UGETW(w) (uint16_t)(w) -#define UGETDW(w) (uint32_t)(w) -#define UGETQW(w) (uint64_t)(w) +/* + * 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 USETB(w,v) { (w) = (uint8_t)(v); } -#define USETW(w,v) { (w) = (uint16_t)(v); } -#define USETDW(w,v) { (w) = (uint32_t)(v); } -#define USETQW(w,v) { (w) = (uint64_t)(v); } +#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_ */