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
55 #define CLIP_U8(x) ((x) > 255) ? (255) : (((x) < 0) ? (0) : (x))
56 #define CLIP_S8(x) ((x) > 127) ? (127) : (((x) < -128) ? (-128) : (x))
57
58 #define CLIP_U12(x) ((x) > 4095) ? (4095) : (((x) < 0) ? (0) : (x))
59 #define CLIP_S12(x) ((x) > 2047) ? (2047) : (((x) < -2048) ? (-2048) : (x))
60
61 #define CLIP_U16(x) ((x) > 65535) ? (65535) : (((x) < 0) ? (0) : (x))
62 #define CLIP_S16(x) ((x) > 32767) ? (32767) : (((x) < -32768) ? (-32768) : (x))
63
64 #define ITT_BIG_ENDIAN(x) __asm__("rev %0, %1" : "=r"(x) : "r"(x));
65
66 #define NOP(nop_cnt) \
67 { \
68 UWORD32 nop_i; \
69 for (nop_i = 0; nop_i < nop_cnt; nop_i++) \
70 __asm__ __volatile__("mov x0, x0"); \
71 }
72
73
74 #define PREFETCH(x) __builtin_prefetch(x);
75
76 #define DATA_SYNC() __sync_synchronize()
77
78 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
79 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
80
81 #define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
82 #define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
83
84 #define MEM_ALIGN8 __attribute__ ((aligned (8)))
85 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
86 #define MEM_ALIGN32 __attribute__ ((aligned (32)))
87
88
89 #endif /* __ICV_PLATFORM_MACROS_H__ */
90