/*      $NetBSD: pal_stub.S,v 1.2 2006/04/22 07:58:53 cherry Exp $      */
        
/*-
 * Copyright (c) 2003 Marcel Moolenaar
 * Copyright (c) 2001 Doug Rabson
 * 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.
 *
 * $FreeBSD$: src/sys/boot/ia64/libski/pal_stub.S,v 1.3 2003/11/09 07:42:16 marcel Exp $
 */

#include <machine/asm.h>

        .text
ENTRY(PalProc, 0)
        cmp.eq          p6,p0=6,r28             // PAL_PTCE_INFO
(p6)    br.cond.dptk    pal_ptce_info
        ;;
        cmp.eq          p6,p0=8,r28             // PAL_VM_SUMMARY
(p6)    br.cond.dptk    pal_vm_summary
        ;;
        cmp.eq          p6,p0=14,r28            // PAL_FREQ_RATIOS
(p6)    br.cond.dptk    pal_freq_ratios
        ;;
        cmp.eq          p6,p0=29,r28            // PAL_HALT_LIGHT
(p6)    br.cond.dptk    pal_halt_light
        ;;
        mov             r15=66                  // EXIT
        break.i         0x80000                 // SSC
        ;;
pal_ptce_info:
        mov             r8=0
        mov             r9=0                    // base
        movl            r10=0x0000000100000001  // loop counts (outer|inner)
        mov             r11=0x0000000000000000  // loop strides (outer|inner)
        br.sptk         b0
pal_vm_summary:
        mov             r8=0
        movl            r9=(8<<40)|(8<<32)      // VM info 1
        mov             r10=(18<<8)|(41<<0)     // VM info 2
        mov             r11=0
        br.sptk         b0
pal_freq_ratios:
        mov             r8=0
        movl            r9=0x0000000B00000002   // processor ratio 11/2
        movl            r10=0x0000000100000001  // bus ratio 1/1
        movl            r11=0x0000000B00000002  // ITC ratio 11/2
        br.sptk         b0
pal_halt_light:
        mov             r8=0
        mov             r9=0
        mov             r10=0
        mov             r11=0
        br.sptk         b0
END(PalProc)