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
43static INLINE UWORD32 CLZ(UWORD32 u4_word)
44{
45    if(u4_word)
46        return (__builtin_clz(u4_word));
47    else
48        return 32;
49}
50
51static __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