xref: /netbsd/sys/arch/ia64/stand/ia64/ski/pal_stub.S (revision 40d4f67e)
1/*	$NetBSD: pal_stub.S,v 1.2 2006/04/22 07:58:53 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 * $FreeBSD$: src/sys/boot/ia64/libski/pal_stub.S,v 1.3 2003/11/09 07:42:16 marcel Exp $
31 */
32
33#include <machine/asm.h>
34
35	.text
36ENTRY(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	;;
52pal_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
58pal_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
64pal_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
70pal_halt_light:
71	mov		r8=0
72	mov		r9=0
73	mov		r10=0
74	mov		r11=0
75	br.sptk		b0
76END(PalProc)
77