xref: /gem5/system/alpha/h/fromHudsonMacros.h

/*
 * Copyright 1993, 1994 Hewlett-Packard Development Company, L.P.
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use, copy,
 * modify, merge, publish, distribute, sublicense, and/or sell copies
 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#ifndef HUDSON_MACROS_LOADED
#define	HUDSON_MACROS_LOADED	    1

#define	STALL \
    mfpr    r31, pt0

#define	NOP \
    bis	    $31, $31, $31

/*
** Align code on an 8K byte page boundary.
*/

#define	ALIGN_PAGE \
    .align  13

/*
** Align code on a 32 byte block boundary.
*/

#define	ALIGN_BLOCK \
    .align  5

/*
** Align code on a quadword boundary.
*/

#define ALIGN_BRANCH \
    .align  3

/*
** Hardware vectors go in .text 0 sub-segment.
*/

#define	HDW_VECTOR(offset) \
    . = offset

/*
** Privileged CALL_PAL functions are in .text 1 sub-segment.
*/

#define	CALL_PAL_PRIV(vector) \
    . = (PAL_CALL_PAL_PRIV_ENTRY+(vector<<6))

/*
** Unprivileged CALL_PAL functions are in .text 1 sub-segment,
** the privileged bit is removed from these vectors.
*/

#define CALL_PAL_UNPRIV(vector) \
    . = (PAL_CALL_PAL_UNPRIV_ENTRY+((vector&0x3F)<<6))

/*
** Implements a load "immediate" longword function
*/
#define LDLI(reg,val) \
        ldah	reg, ((val+0x8000) >> 16)(zero); \
        lda	reg, (val&0xffff)(reg)

#endif