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
41 #define INLINE inline
42
CLZ(UWORD32 u4_word)43 static INLINE UWORD32 CLZ(UWORD32 u4_word)
44 {
45 if(u4_word)
46 return (__builtin_clz(u4_word));
47 else
48 return 32;
49 }
50
CLZNZ(UWORD32 u4_word)51 static __inline UWORD32 CLZNZ(UWORD32 u4_word)
52 {
53 ASSERT(u4_word);
54 return (__builtin_clz(u4_word));
55 }
56
57 #define CLIP_U8(x) ((x) > 255) ? (255) : (((x) < 0) ? (0) : (x))
58 #define CLIP_S8(x) ((x) > 127) ? (127) : (((x) < -128) ? (-128) : (x))
59
60 #define CLIP_U12(x) ((x) > 4095) ? (4095) : (((x) < 0) ? (0) : (x))
61 #define CLIP_S12(x) ((x) > 2047) ? (2047) : (((x) < -2048) ? (-2048) : (x))
62
63 #define CLIP_U16(x) ((x) > 65535) ? (65535) : (((x) < 0) ? (0) : (x))
64 #define CLIP_S16(x) ((x) > 32767) ? (32767) : (((x) < -32768) ? (-32768) : (x))
65
66 #define ITT_BIG_ENDIAN(x) __asm__("rev %0, %1" : "=r"(x) : "r"(x));
67
68 #define NOP(nop_cnt) \
69 { \
70 UWORD32 nop_i; \
71 for (nop_i = 0; nop_i < nop_cnt; nop_i++) \
72 __asm__ __volatile__("mov x0, x0"); \
73 }
74
75
76 #define PREFETCH(x) __builtin_prefetch(x);
77
78 #define DATA_SYNC() __sync_synchronize()
79
80 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
81 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
82
83 #define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
84 #define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
85
86 #define INLINE inline
87
88 #define MEM_ALIGN8 __attribute__ ((aligned (8)))
89 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
90 #define MEM_ALIGN32 __attribute__ ((aligned (32)))
91
92
93 #endif /* __ICV_PLATFORM_MACROS_H__ */
94