WebSVN – HelenOS – Diff – /branches/sparc/kernel/generic/include/macros.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 generic
 * @{
 */
/** @file
 */
 
#ifndef KERN_MACROS_H_
#define KERN_MACROS_H_
 
#include <arch/types.h>
 
#define isdigit(d)  (((d) >= '0') && ((d) <= '9'))
#define islower(c)  (((c) >= 'a') && ((c) <= 'z'))
#define isupper(c)  (((c) >= 'A') && ((c) <= 'Z'))
#define isalpha(c)  (is_lower((c)) || is_upper((c)))
#define isalphanum(c)   (is_alpha((c)) || is_digit((c)))
#define isspace(c)  (((c) == ' ') || ((c) == '\t') || ((c) == '\n') || \
                ((c) == '\r'))
 
#define min(a, b)   ((a) < (b) ? (a) : (b))
#define max(a, b)   ((a) > (b) ? (a) : (b))
 
/** Return true if the intervals overlap.
 *
 * @param s1        Start address of the first interval.
 * @param sz1       Size of the first interval.
 * @param s2        Start address of the second interval.
 * @param sz2       Size of the second interval.
 */
static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2)
{
    uintptr_t e1 = s1 + sz1;
    uintptr_t e2 = s2 + sz2;
 
    return (s1 < e2) && (s2 < e1);
}
 
/* Compute overlapping of physical addresses */
#define PA_overlaps(x, szx, y, szy) \
    overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy))
 
#define SIZE2KB(size) ((size) >> 10)
#define SIZE2MB(size) ((size) >> 20)
 
#define KB2SIZE(kb) ((kb) << 10)
#define MB2SIZE(mb) ((mb) << 20)
 
#define STRING(arg) STRING_ARG(arg)
#define STRING_ARG(arg) #arg
 
#endif
 
/** @}
 */
 

Subversion Repositories HelenOS

(root)/branches/sparc/kernel/generic/include/macros.h – Rev 3343 → 3742

Rev 3343		Rev 3742
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 generic	29	/** @addtogroup generic
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef KERN_MACROS_H_	35	#ifndef KERN_MACROS_H_
36	#define KERN_MACROS_H_	36	#define KERN_MACROS_H_
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39		39
40	#define isdigit(d) (((d) >= '0') && ((d) <= '9'))	40	#define isdigit(d) (((d) >= '0') && ((d) <= '9'))
41	#define islower(c) (((c) >= 'a') && ((c) <= 'z'))	41	#define islower(c) (((c) >= 'a') && ((c) <= 'z'))
42	#define isupper(c) (((c) >= 'A') && ((c) <= 'Z'))	42	#define isupper(c) (((c) >= 'A') && ((c) <= 'Z'))
43	#define isalpha(c) (is_lower((c)) \|\| is_upper((c)))	43	#define isalpha(c) (is_lower((c)) \|\| is_upper((c)))
44	#define isalphanum(c) (is_alpha((c)) \|\| is_digit((c)))	44	#define isalphanum(c) (is_alpha((c)) \|\| is_digit((c)))
45	#define isspace(c) (((c) == ' ') \|\| ((c) == '\t') \|\| ((c) == '\n') \|\| \	45	#define isspace(c) (((c) == ' ') \|\| ((c) == '\t') \|\| ((c) == '\n') \|\| \
46	((c) == '\r'))	46	((c) == '\r'))
47		47
48	#define min(a,b) ((a) < (b) ? (a) : (b))	48	#define min(a, b) ((a) < (b) ? (a) : (b))
49	#define max(a,b) ((a) > (b) ? (a) : (b))	49	#define max(a, b) ((a) > (b) ? (a) : (b))
50		50
51	/** Return true if the intervals overlap.	51	/** Return true if the intervals overlap.
52	*	52	*
53	* @param s1 Start address of the first interval.	53	* @param s1 Start address of the first interval.
54	* @param sz1 Size of the first interval.	54	* @param sz1 Size of the first interval.
55	* @param s2 Start address of the second interval.	55	* @param s2 Start address of the second interval.
56	* @param sz2 Size of the second interval.	56	* @param sz2 Size of the second interval.
57	*/	57	*/
58	static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2)	58	static inline int overlaps(uintptr_t s1, size_t sz1, uintptr_t s2, size_t sz2)
59	{	59	{
60	uintptr_t e1 = s1 + sz1;	60	uintptr_t e1 = s1 + sz1;
61	uintptr_t e2 = s2 + sz2;	61	uintptr_t e2 = s2 + sz2;
62		62
63	return (s1 < e2) && (s2 < e1);	63	return (s1 < e2) && (s2 < e1);
64	}	64	}
65		65
66	/* Compute overlapping of physical addresses */	66	/* Compute overlapping of physical addresses */
67	#define PA_overlaps(x, szx, y, szy) \	67	#define PA_overlaps(x, szx, y, szy) \
68	overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy))	68	overlaps(KA2PA((x)), (szx), KA2PA((y)), (szy))
69		69
70	#define SIZE2KB(size) ((size) >> 10)	70	#define SIZE2KB(size) ((size) >> 10)
71	#define SIZE2MB(size) ((size) >> 20)	71	#define SIZE2MB(size) ((size) >> 20)
72		72
73	#define KB2SIZE(kb) ((kb) << 10)	73	#define KB2SIZE(kb) ((kb) << 10)
74	#define MB2SIZE(mb) ((mb) << 20)	74	#define MB2SIZE(mb) ((mb) << 20)
75		75
76	#define STRING(arg) STRING_ARG(arg)	76	#define STRING(arg) STRING_ARG(arg)
77	#define STRING_ARG(arg) #arg	77	#define STRING_ARG(arg) #arg
78		78
79	#endif	79	#endif
80		80
81	/** @}	81	/** @}
82	*/	82	*/
83		83