Fully synchronize sys/boot from FreeBSD-5.x, but add / to the module path
[dragonfly.git] / sys / boot / ia64 / libski / pal_stub.S
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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: src/sys/boot/ia64/libski/pal_stub.S,v 1.3 2003/11/09 07:42:16 marcel Exp $
29 * $DragonFly: src/sys/boot/ia64/libski/pal_stub.S,v 1.1 2003/11/10 06:08:37 dillon Exp $
30 */
31
32#include <machine/asm.h>
33
34 .text
35ENTRY(PalProc, 0)
36 cmp.eq p6,p0=6,r28 // PAL_PTCE_INFO
37(p6) br.cond.dptk pal_ptce_info
38 ;;
39 cmp.eq p6,p0=8,r28 // PAL_VM_SUMMARY
40(p6) br.cond.dptk pal_vm_summary
41 ;;
42 cmp.eq p6,p0=14,r28 // PAL_FREQ_RATIOS
43(p6) br.cond.dptk pal_freq_ratios
44 ;;
45 cmp.eq p6,p0=29,r28 // PAL_HALT_LIGHT
46(p6) br.cond.dptk pal_halt_light
47 ;;
48 mov r15=66 // EXIT
49 break.i 0x80000 // SSC
50 ;;
51pal_ptce_info:
52 mov r8=0
53 mov r9=0 // base
54 movl r10=0x0000000100000001 // loop counts (outer|inner)
55 mov r11=0x0000000000000000 // loop strides (outer|inner)
56 br.sptk b0
57pal_vm_summary:
58 mov r8=0
59 movl r9=(8<<40)|(8<<32) // VM info 1
60 mov r10=(18<<8)|(41<<0) // VM info 2
61 mov r11=0
62 br.sptk b0
63pal_freq_ratios:
64 mov r8=0
65 movl r9=0x0000000B00000002 // processor ratio 11/2
66 movl r10=0x0000000100000001 // bus ratio 1/1
67 movl r11=0x0000000B00000002 // ITC ratio 11/2
68 br.sptk b0
69pal_halt_light:
70 mov r8=0
71 mov r9=0
72 mov r10=0
73 mov r11=0
74 br.sptk b0
75END(PalProc)