pal_stub.S revision 110211 
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: head/sys/boot/ia64/ski/pal_stub.S 110211 2003-02-01 22:50:09Z marcel $
29 */
30
31#include <machine/asm.h>
32
33	.text
34ENTRY(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	mov		r15=66			// EXIT
45	break.i		0x80000			// SSC
46	;;
47pal_ptce_info:
48	mov		r8=0
49	mov		r9=0			// base
50	movl		r10=0x0000000100000001	// loop counts (outer|inner)
51	mov		r11=0x0000000000000000	// loop strides (outer|inner)
52	br.sptk		b0
53pal_vm_summary:
54	mov		r8=0
55	movl		r9=(8<<40)|(8<<32)	// VM info 1
56	mov		r10=(18<<8)|(41<<0)	// VM info 2
57	mov		r11=0
58	br.sptk		b0
59pal_freq_ratios:
60	mov		r8=0
61	movl		r9=0x0000000B00000002	// processor ratio 11/2
62	movl		r10=0x0000000100000001	// bus ratio 1/1
63	movl		r11=0x0000000B00000002	// ITC ratio 11/2
64	br.sptk		b0
65END(PalProc)
66