]> CyberLeo.Net >> Repos - FreeBSD/releng/9.2.git/blob - sys/boot/ia64/ski/pal_stub.S
- Copy stable/9 to releng/9.2 as part of the 9.2-RELEASE cycle.
[FreeBSD/releng/9.2.git] / sys / boot / ia64 / ski / pal_stub.S
1 /*-
2  * Copyright (c) 2003 Marcel Moolenaar
3  * Copyright (c) 2001 Doug Rabson
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30
31 #include <machine/asm.h>
32
33         .text
34 ENTRY(PalProc, 0)
35         cmp.eq          p6,p0=6,r28             // PAL_PTCE_INFO
36 (p6)    br.cond.dptk    pal_ptce_info
37         ;;
38         cmp.eq          p6,p0=8,r28             // PAL_VM_SUMMARY
39 (p6)    br.cond.dptk    pal_vm_summary
40         ;;
41         cmp.eq          p6,p0=14,r28            // PAL_FREQ_RATIOS
42 (p6)    br.cond.dptk    pal_freq_ratios
43         ;;
44         cmp.eq          p6,p0=29,r28            // PAL_HALT_LIGHT
45 (p6)    br.cond.dptk    pal_halt_light
46         ;;
47         mov             r15=66                  // EXIT
48         break.i         0x80000                 // SSC
49         ;;
50 pal_ptce_info:
51         mov             r8=0
52         mov             r9=0                    // base
53         movl            r10=0x0000000100000001  // loop counts (outer|inner)
54         mov             r11=0x0000000000000000  // loop strides (outer|inner)
55         br.sptk         b0
56 pal_vm_summary:
57         mov             r8=0
58         movl            r9=(8<<40)|(8<<32)      // VM info 1
59         mov             r10=(18<<8)|(41<<0)     // VM info 2
60         mov             r11=0
61         br.sptk         b0
62 pal_freq_ratios:
63         mov             r8=0
64         movl            r9=0x0000000B00000002   // processor ratio 11/2
65         movl            r10=0x0000000100000001  // bus ratio 1/1
66         movl            r11=0x0000000B00000002  // ITC ratio 11/2
67         br.sptk         b0
68 pal_halt_light:
69         mov             r8=0
70         mov             r9=0
71         mov             r10=0
72         mov             r11=0
73         br.sptk         b0
74 END(PalProc)