usr/src/lib/libc/mips/net/htons.s

/*-
 * Copyright (c) 1991, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Ralph Campbell.
 *
 * %sccs.include.redist.c%
 */

#include <machine/machAsmDefs.h>

#if defined(LIBC_SCCS) && !defined(lint)
        ASMSTR("@(#)htons.s     8.1 (Berkeley) %G%")
#endif /* LIBC_SCCS and not lint */

/*
 * netorder = htons(hostorder)
 * hostorder = ntohs(netorder)
 */
NLEAF(htons)
ALEAF(ntohs)
#ifdef MIPSEL
        srl     v0, a0, 8
        and     v0, v0, 0xff
        sll     v1, a0, 8
        and     v1, v1, 0xff00
        or      v0, v0, v1
#else
#ifdef MIPSEB
        move    v0, a0
#else
        ERROR
#endif
#endif
        j       ra
END(htons)