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 KERN_sparc64_CONTEXT_H_
#define KERN_sparc64_CONTEXT_H_
 
#include <arch/stack.h>
#include <arch/types.h>
#include <align.h>
 
#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
   
 
/*
 * Save only registers that must be preserved across
 * function calls.
 */
typedef struct {
    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;
} context_t;
 
#endif
 
/** @}
 */
 

Rev 2071	Rev 2083
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 KERN_sparc64_CONTEXT_H_	35	#ifndef KERN_sparc64_CONTEXT_H_
36	#define KERN_sparc64_CONTEXT_H_	36	#define KERN_sparc64_CONTEXT_H_
37		37
38	#include <arch/stack.h>	38	#include <arch/stack.h>
39	#include <arch/types.h>	39	#include <arch/types.h>
40	#include <align.h>	40	#include <align.h>
41		41
42	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE	42	#define SP_DELTA STACK_WINDOW_SAVE_AREA_SIZE
43		43
44	#ifdef context_set	44	#ifdef context_set
45	#undef context_set	45	#undef context_set
46	#endif	46	#endif
47		47
48	#define context_set(c, _pc, stack, size) \	48	#define context_set(c, _pc, stack, size) \
49	(c)->pc = ((uintptr_t) _pc) - 8; \	49	(c)->pc = ((uintptr_t) _pc) - 8; \
50	(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \	50	(c)->sp = ((uintptr_t) stack) + ALIGN_UP((size), \
51	STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \	51	STACK_ALIGNMENT) - (STACK_BIAS + SP_DELTA); \
52	(c)->fp = -STACK_BIAS	52	(c)->fp = -STACK_BIAS
53		53
54		54
55	/*	55	/*
56	* Save only registers that must be preserved across	56	* Save only registers that must be preserved across
57	* function calls.	57	* function calls.
58	*/	58	*/
59	struct context {	59	typedef struct {
60	uintptr_t sp; /* %o6 */	60	uintptr_t sp; /* %o6 */
61	uintptr_t pc; /* %o7 */	61	uintptr_t pc; /* %o7 */
62	uint64_t i0;	62	uint64_t i0;
63	uint64_t i1;	63	uint64_t i1;
64	uint64_t i2;	64	uint64_t i2;
65	uint64_t i3;	65	uint64_t i3;
66	uint64_t i4;	66	uint64_t i4;
67	uint64_t i5;	67	uint64_t i5;
68	uintptr_t fp; /* %i6 */	68	uintptr_t fp; /* %i6 */
69	uintptr_t i7;	69	uintptr_t i7;
70	uint64_t l0;	70	uint64_t l0;
71	uint64_t l1;	71	uint64_t l1;
72	uint64_t l2;	72	uint64_t l2;
73	uint64_t l3;	73	uint64_t l3;
74	uint64_t l4;	74	uint64_t l4;
75	uint64_t l5;	75	uint64_t l5;
76	uint64_t l6;	76	uint64_t l6;
77	uint64_t l7;	77	uint64_t l7;
78	ipl_t ipl;	78	ipl_t ipl;
79	};	79	} context_t;
80		80
81	#endif	81	#endif
82		82
83	/** @}	83	/** @}
84	*/	84	*/
85		85

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/include/context.h – Rev 2071 → 2083