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
CLIP_U8(WORD32 x)55 static __inline WORD32 CLIP_U8(WORD32 x)
56 {
57 asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
58 return x;
59 }
60
CLIP_S8(WORD32 x)61 static __inline WORD32 CLIP_S8(WORD32 x)
62 {
63 asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
64 return x;
65 }
66
CLIP_U12(WORD32 x)67 static __inline WORD32 CLIP_U12(WORD32 x)
68 {
69 asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
70 return x;
71 }
72
CLIP_S12(WORD32 x)73 static __inline WORD32 CLIP_S12(WORD32 x)
74 {
75 asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
76 return x;
77 }
78
CLIP_U16(WORD32 x)79 static __inline WORD32 CLIP_U16(WORD32 x)
80 {
81 asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
82 return x;
83 }
CLIP_S16(WORD32 x)84 static __inline WORD32 CLIP_S16(WORD32 x)
85 {
86 asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
87 return x;
88 }
89
ITT_BIG_ENDIAN(UWORD32 x)90 static __inline UWORD32 ITT_BIG_ENDIAN(UWORD32 x)
91 {
92 asm("rev %0, %1" : "=r"(x) : "r"(x));
93 return x;
94 }
95
96 #define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
97
98 #define PREFETCH(x) __builtin_prefetch(x);
99
100 #define DATA_SYNC() __sync_synchronize()
101
102 #define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
103 #define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
104
105 #define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
106 #define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
107
108 #define INLINE inline
109
110 #define MEM_ALIGN8 __attribute__ ((aligned (8)))
111 #define MEM_ALIGN16 __attribute__ ((aligned (16)))
112 #define MEM_ALIGN32 __attribute__ ((aligned (32)))
113
114
115 #endif /* __ICV_PLATFORM_MACROS_H__ */
116