WebSVN – HelenOS – Diff – /tags/0.1.1/kernel/arch/sparc64/include/context.h


/*
 * Copyright (C) 2005 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef __sparc64_CONTEXT_H__
#define __sparc64_CONTEXT_H__
 
#ifndef __sparc64_STACK_H__
# include <arch/stack.h>
#endif
 
#ifndef __sparc64_TYPES_H__
# include <arch/types.h>
#endif
 
#ifndef __ALIGN_H__
# include <align.h>
#endif
 
#define SP_DELTA    STACK_WINDOW_SAVE_AREA_SIZE
 
#ifdef context_set
#undef context_set
#endif
 
#define context_set(c, _pc, stack, size)                                \
        (c)->pc = ((__address) _pc) - 8;                                \
        (c)->sp = ((__address) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA);    \
    (c)->fp = -STACK_BIAS;                                      \
    (c)->cleanwin = 0
   
 
/*
 * Only save registers that must be preserved across
 * function calls.
 */
struct context {
    __address sp;       /* %o6 */
    __address pc;       /* %o7 */
    __u64 i0;
    __u64 i1;
    __u64 i2;
    __u64 i3;
    __u64 i4;
    __u64 i5;
    __address fp;       /* %i6 */
    __address i7;
    __u64 l0;
    __u64 l1;
    __u64 l2;
    __u64 l3;
    __u64 l4;
    __u64 l5;
    __u64 l6;
    __u64 l7;
    ipl_t ipl;
    __u64 cleanwin;
};
 
#endif
 

Rev 1963	Rev 1968
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (C) 2005 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	#ifndef __sparc64_CONTEXT_H__	29	#ifndef __sparc64_CONTEXT_H__
30	#define __sparc64_CONTEXT_H__	30	#define __sparc64_CONTEXT_H__
31		31
32	#ifndef __sparc64_STACK_H__	32	#ifndef __sparc64_STACK_H__
33	# include <arch/stack.h>	33	# include <arch/stack.h>
34	#endif	34	#endif
35		35
36	#ifndef __sparc64_TYPES_H__	36	#ifndef __sparc64_TYPES_H__
37	# include <arch/types.h>	37	# include <arch/types.h>
38	#endif	38	#endif
39		39
40	#ifndef __ALIGN_H__	40	#ifndef __ALIGN_H__
41	# include <align.h>	41	# include <align.h>
42	#endif	42	#endif
43		43
44	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE	44	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE
45		45
46	#ifdef context_set	46	#ifdef context_set
47	#undef context_set	47	#undef context_set
48	#endif	48	#endif
49		49
50	#define context_set(c, _pc, stack, size) \	50	#define context_set(c, _pc, stack, size) \
51	(c)->pc = ((__address) _pc) - 8; \	51	(c)->pc = ((__address) _pc) - 8; \
52	(c)->sp = ((__address) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \	52	(c)->sp = ((__address) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \
53	(c)->fp = -STACK_BIAS; \	53	(c)->fp = -STACK_BIAS; \
54	(c)->cleanwin = 0	54	(c)->cleanwin = 0
55		55
56		56
57	/*	57	/*
58	* Only save registers that must be preserved across	58	* Only save registers that must be preserved across
59	* function calls.	59	* function calls.
60	*/	60	*/
61	struct context {	61	struct context {
62	__address sp; /* %o6 */	62	__address sp; /* %o6 */
63	__address pc; /* %o7 */	63	__address pc; /* %o7 */
64	__u64 i0;	64	__u64 i0;
65	__u64 i1;	65	__u64 i1;
66	__u64 i2;	66	__u64 i2;
67	__u64 i3;	67	__u64 i3;
68	__u64 i4;	68	__u64 i4;
69	__u64 i5;	69	__u64 i5;
70	__address fp; /* %i6 */	70	__address fp; /* %i6 */
71	__address i7;	71	__address i7;
72	__u64 l0;	72	__u64 l0;
73	__u64 l1;	73	__u64 l1;
74	__u64 l2;	74	__u64 l2;
75	__u64 l3;	75	__u64 l3;
76	__u64 l4;	76	__u64 l4;
77	__u64 l5;	77	__u64 l5;
78	__u64 l6;	78	__u64 l6;
79	__u64 l7;	79	__u64 l7;
80	ipl_t ipl;	80	ipl_t ipl;
81	__u64 cleanwin;	81	__u64 cleanwin;
82	};	82	};
83		83
84	#endif	84	#endif
85		85

Subversion Repositories HelenOS

(root)/tags/0.1.1/kernel/arch/sparc64/include/context.h – Rev 1963 → 1968