1/*
2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28 /*
29 * Copyright (c) 1997-1998 Apple Computer, Inc.
30 *
31 *
32 * HISTORY
33 *
34 * sdouglas  22 Oct 97 - first checked in from DriverServices
35 * sdouglas  28 Jul 98 - start IOKit
36 */
37
38#include <architecture/ppc/asm_help.h>
39
40;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
41;
42; ENTRY		functionName
43;
44; Assembly directives to begin an exported function.
45;
46; Takes: functionName - name of the exported function
47;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
48
49.macro ENTRY
50	.text
51	.align		2
52	.globl		$0
53$0:
54.endmacro
55
56;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
57
58/*
59
60OSStatus SynchronizeIO( void )
61
62*/
63
64	ENTRY	__eSynchronizeIO
65
66	li	r0,	0
67	eieio
68	li	r3,	0
69	blr
70
71/*
72
73OSStatus CallTVector_NoRecover(
74	    void * p1, void * p2, void * p3, void * p4, void * p5, void * p6,	// r3-8
75	    LogicalAddress entry )						// r9
76
77*/
78
79#define PARAM_SIZE	24
80#define FM_SIZE		64
81#define FM_LR_SAVE	8
82#define FM_TOC_SAVE	20
83
84	ENTRY	_CallTVector
85
86#if 1
87	stw	r2,	FM_TOC_SAVE(r1)
88    	lwz	r0,	0(r9)
89	lwz	r2,	4(r9)
90	mtspr	ctr,	r0
91	bctr
92
93#else
94	mflr	r0
95	stw	r0,	FM_LR_SAVE(r1)
96	stw	r2,	FM_TOC_SAVE(r1)
97
98	stwu	r1,	-(PARAM_SIZE+FM_SIZE)(r1)
99
100	lwz	r2,	4(r9)
101	lwz	r0,	0(r9)
102	mtspr	lr,	r0
103	mfspr	r12,	lr
104	blrl
105
106	addi	r1,	r1,(PARAM_SIZE+FM_SIZE)
107	lwz	r2,	FM_TOC_SAVE(r1)
108	lwz	r0,	FM_LR_SAVE(r1)
109	mtlr	r0
110	blr
111#endif
112
113/*
114 * Seemingly unused references from cpp statically initialized objects.
115 */
116
117.globl .constructors_used
118.constructors_used = 0
119.globl .destructors_used
120.destructors_used = 0
121