pal_stub.S revision 1.1 1 /* $NetBSD: pal_stub.S,v 1.1 2006/04/07 14:21:32 cherry Exp $ */
2
3 /*-
4 * Copyright (c) 2003 Marcel Moolenaar
5 * Copyright (c) 2001 Doug Rabson
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33 #include <machine/asm.h>
34
35 .text
36 ENTRY(PalProc, 0)
37 cmp.eq p6,p0=6,r28 // PAL_PTCE_INFO
38 (p6) br.cond.dptk pal_ptce_info
39 ;;
40 cmp.eq p6,p0=8,r28 // PAL_VM_SUMMARY
41 (p6) br.cond.dptk pal_vm_summary
42 ;;
43 cmp.eq p6,p0=14,r28 // PAL_FREQ_RATIOS
44 (p6) br.cond.dptk pal_freq_ratios
45 ;;
46 cmp.eq p6,p0=29,r28 // PAL_HALT_LIGHT
47 (p6) br.cond.dptk pal_halt_light
48 ;;
49 mov r15=66 // EXIT
50 break.i 0x80000 // SSC
51 ;;
52 pal_ptce_info:
53 mov r8=0
54 mov r9=0 // base
55 movl r10=0x0000000100000001 // loop counts (outer|inner)
56 mov r11=0x0000000000000000 // loop strides (outer|inner)
57 br.sptk b0
58 pal_vm_summary:
59 mov r8=0
60 movl r9=(8<<40)|(8<<32) // VM info 1
61 mov r10=(18<<8)|(41<<0) // VM info 2
62 mov r11=0
63 br.sptk b0
64 pal_freq_ratios:
65 mov r8=0
66 movl r9=0x0000000B00000002 // processor ratio 11/2
67 movl r10=0x0000000100000001 // bus ratio 1/1
68 movl r11=0x0000000B00000002 // ITC ratio 11/2
69 br.sptk b0
70 pal_halt_light:
71 mov r8=0
72 mov r9=0
73 mov r10=0
74 mov r11=0
75 br.sptk b0
76 END(PalProc)
77