1 /*
2 * Copyright (C) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED.
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17 */
18
19 #if defined(__KERNEL__) && !defined(__UBOOT__)
20 #include <linux/module.h>
21 #include <linux/kernel.h>
22 #else
23 #include <linux/math64.h>
24 #endif
25 #include "hi_osal.h"
26
27 #ifdef __UBOOT__
28 # define EXPORT_SYMBOL(x)
29 #endif
30
31 /* the result of u64/u32. */
osal_div_u64(unsigned long long dividend,unsigned int divisor)32 unsigned long long osal_div_u64(unsigned long long dividend, unsigned int divisor)
33 {
34 return div_u64(dividend, divisor);
35 }
36 EXPORT_SYMBOL(osal_div_u64);
37
38 /* the result of s64/s32. */
osal_div_s64(long long dividend,int divisor)39 long long osal_div_s64(long long dividend, int divisor)
40 {
41 return div_s64(dividend, divisor);
42 }
43 EXPORT_SYMBOL(osal_div_s64);
44
45 /* the result of u64/u64. */
osal_div64_u64(unsigned long long dividend,unsigned long long divisor)46 unsigned long long osal_div64_u64(unsigned long long dividend, unsigned long long divisor)
47 {
48 return div64_u64(dividend, divisor);
49 }
50 EXPORT_SYMBOL(osal_div64_u64);
51
52 /* the result of s64/s64. */
osal_div64_s64(long long dividend,long long divisor)53 long long osal_div64_s64(long long dividend, long long divisor)
54 {
55 return div64_s64(dividend, divisor);
56 }
57 EXPORT_SYMBOL(osal_div64_s64);
58
59 /* the remainder of u64/u32. */
osal_div_u64_rem(unsigned long long dividend,unsigned int divisor)60 unsigned long long osal_div_u64_rem(unsigned long long dividend, unsigned int divisor)
61 {
62 unsigned int remainder;
63
64 div_u64_rem(dividend, divisor, &remainder);
65
66 return remainder;
67 }
68 EXPORT_SYMBOL(osal_div_u64_rem);
69
70 /* the remainder of s64/s32. */
osal_div_s64_rem(long long dividend,int divisor)71 long long osal_div_s64_rem(long long dividend, int divisor)
72 {
73 int remainder;
74
75 div_s64_rem(dividend, divisor, &remainder);
76
77 return remainder;
78 }
79 EXPORT_SYMBOL(osal_div_s64_rem);
80
81 /* the remainder of u64/u64. */
osal_div64_u64_rem(unsigned long long dividend,unsigned long long divisor)82 unsigned long long osal_div64_u64_rem(unsigned long long dividend, unsigned long long divisor)
83 {
84 unsigned long long remainder;
85
86 div64_u64_rem(dividend, divisor, &remainder);
87
88 return remainder;
89 }
90 EXPORT_SYMBOL(osal_div64_u64_rem);
91