WebSVN – HelenOS – Diff – /trunk/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.
 */
 
 /** @addtogroup sparc64   
 * @{
 */
/** @file
 */
 
#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 = ((uintptr_t) _pc) - 8;                                \
        (c)->sp = ((uintptr_t) 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 {
    uintptr_t sp;       /* %o6 */
    uintptr_t pc;       /* %o7 */
    uint64_t i0;
    uint64_t i1;
    uint64_t i2;
    uint64_t i3;
    uint64_t i4;
    uint64_t i5;
    uintptr_t fp;       /* %i6 */
    uintptr_t i7;
    uint64_t l0;
    uint64_t l1;
    uint64_t l2;
    uint64_t l3;
    uint64_t l4;
    uint64_t l5;
    uint64_t l6;
    uint64_t l7;
    ipl_t ipl;
    uint64_t cleanwin;
};
 
#endif
 
 /** @}
 */
 
 

Rev 1780	Rev 1787
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	/** @addtogroup sparc64	29	/** @addtogroup sparc64
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __sparc64_CONTEXT_H__	35	#ifndef __sparc64_CONTEXT_H__
36	#define __sparc64_CONTEXT_H__	36	#define __sparc64_CONTEXT_H__
37		37
38	#ifndef __sparc64_STACK_H__	38	#ifndef __sparc64_STACK_H__
39	# include <arch/stack.h>	39	# include <arch/stack.h>
40	#endif	40	#endif
41		41
42	#ifndef __sparc64_TYPES_H__	42	#ifndef __sparc64_TYPES_H__
43	# include <arch/types.h>	43	# include <arch/types.h>
44	#endif	44	#endif
45		45
46	#ifndef __ALIGN_H__	46	#ifndef __ALIGN_H__
47	# include <align.h>	47	# include <align.h>
48	#endif	48	#endif
49		49
50	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE	50	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE
51		51
52	#ifdef context_set	52	#ifdef context_set
53	#undef context_set	53	#undef context_set
54	#endif	54	#endif
55		55
56	#define context_set(c, _pc, stack, size) \	56	#define context_set(c, _pc, stack, size) \
57	(c)->pc = ((uintptr_t) _pc) - 8; \	57	(c)->pc = ((uintptr_t) _pc) - 8; \
58	(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \	58	(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \
59	(c)->fp = -STACK_BIAS; \	59	(c)->fp = -STACK_BIAS; \
60	(c)->cleanwin = 0	60	(c)->cleanwin = 0
61		61
62		62
63	/*	63	/*
64	* Only save registers that must be preserved across	64	* Only save registers that must be preserved across
65	* function calls.	65	* function calls.
66	*/	66	*/
67	struct context {	67	struct context {
68	uintptr_t sp; /* %o6 */	68	uintptr_t sp; /* %o6 */
69	uintptr_t pc; /* %o7 */	69	uintptr_t pc; /* %o7 */
70	uint64_t i0;	70	uint64_t i0;
71	uint64_t i1;	71	uint64_t i1;
72	uint64_t i2;	72	uint64_t i2;
73	uint64_t i3;	73	uint64_t i3;
74	uint64_t i4;	74	uint64_t i4;
75	uint64_t i5;	75	uint64_t i5;
76	uintptr_t fp; /* %i6 */	76	uintptr_t fp; /* %i6 */
77	uintptr_t i7;	77	uintptr_t i7;
78	uint64_t l0;	78	uint64_t l0;
79	uint64_t l1;	79	uint64_t l1;
80	uint64_t l2;	80	uint64_t l2;
81	uint64_t l3;	81	uint64_t l3;
82	uint64_t l4;	82	uint64_t l4;
83	uint64_t l5;	83	uint64_t l5;
84	uint64_t l6;	84	uint64_t l6;
85	uint64_t l7;	85	uint64_t l7;
86	ipl_t ipl;	86	ipl_t ipl;
87	uint64_t cleanwin;	87	uint64_t cleanwin;
88	};	88	};
89		89
90	#endif	90	#endif
91		91
92	/** @}	92	/** @}
93	*/	93	*/
94		94
95		95

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/include/context.h – Rev 1780 → 1787