1 /******************************************************************************
2 *
3 * Copyright (C) 2015 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at:
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 *
17 *****************************************************************************
18 * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
19 */
20 /**
21 *******************************************************************************
22 * @file
23 * icv_platform_macros.h
24 *
25 * @brief
26 * This header files contains all the platform/toolchain specific macros
27 *
28 * @author
29 * Ittiam
30 *
31 * @par List of Functions:
32 *
33 * @remarks
34 * None
35 *
36 *******************************************************************************
37 */
38 #ifndef _ICV_PLATFORM_MACROS_H_
39 #define _ICV_PLATFORM_MACROS_H_
40
CLZ(UWORD32 u4_word)41 static __inline UWORD32 CLZ(UWORD32 u4_word)
42 {
43 if(u4_word)
44 return(__builtin_clz(u4_word));
45 else
46 return 32;
47 }
48
CLZNZ(UWORD32 u4_word)49 static __inline UWORD32 CLZNZ(UWORD32 u4_word)
50 {
51 ASSERT(u4_word);
52 return(__builtin_clz(u4_word));
53 }
54
CTZ(UWORD32 u4_word)55 static __inline UWORD32 CTZ(UWORD32 u4_word)
56 {
57 if(0 == u4_word)
58 return 31;
59 else
60 {
61 unsigned int index;
62 index = __builtin_ctz(u4_word);
63 return (UWORD32)index;
64 }
65 }
66
67 #define CLIP_U8(x) CLIP3(0, 255, (x))
68 #define CLIP_S8(x) CLIP3(-128, 127, (x))
69
70 #define CLIP_U10(x) CLIP3(0, 1023, (x))
71 #define CLIP_S10(x) CLIP3(-512, 511, (x))
72
73 #define CLIP_U12(x) CLIP3(0, 4095, (x))
74 #define CLIP_S12(x) CLIP3(-2048, 2047, (x))
75
76 #define CLIP_U16(x) CLIP3(0, 65535, (x))
77 #define CLIP_S16(x) CLIP3(-32768, 32767, (x))
78
79 #define ITT_BIG_ENDIAN(x) __builtin_bswap32(x);
80
81 #define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
82 #define PREFETCH(x) __builtin_prefetch(x);
83
84 #define DATA_SYNC() __sync_synchronize()
85
86 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
87 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
88
89 #define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
90 #define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
91
92 #define INLINE inline
93
94 #define MEM_ALIGN8 __attribute__ ((aligned (8)))
95 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
96 #define MEM_ALIGN32 __attribute__ ((aligned (32)))
97
98
99 #endif /* _ICV_PLATFORM_MACROS_H_ */
100