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116 lines
2.9 KiB
116 lines
2.9 KiB
4 months ago
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/******************************************************************************
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*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*****************************************************************************
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* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
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*/
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/**
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*******************************************************************************
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* @file
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* icv_platform_macros.h
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*
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* @brief
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* This header files contains all the platform/toolchain specific macros
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*
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* @author
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* Ittiam
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*
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* @par List of Functions:
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*
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* @remarks
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* None
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*
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*******************************************************************************
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*/
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#ifndef __ICV_PLATFORM_MACROS_H__
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#define __ICV_PLATFORM_MACROS_H__
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static __inline UWORD32 CLZ(UWORD32 u4_word)
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{
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if(u4_word)
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return (__builtin_clz(u4_word));
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else
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return 32;
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}
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static __inline UWORD32 CLZNZ(UWORD32 u4_word)
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{
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ASSERT(u4_word);
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return (__builtin_clz(u4_word));
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}
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static __inline WORD32 CLIP_U8(WORD32 x)
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{
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asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline WORD32 CLIP_S8(WORD32 x)
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{
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asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline WORD32 CLIP_U12(WORD32 x)
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{
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asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline WORD32 CLIP_S12(WORD32 x)
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{
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asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline WORD32 CLIP_U16(WORD32 x)
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{
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asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline WORD32 CLIP_S16(WORD32 x)
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{
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asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
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return x;
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}
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static __inline UWORD32 ITT_BIG_ENDIAN(UWORD32 x)
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{
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asm("rev %0, %1" : "=r"(x) : "r"(x));
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return x;
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}
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#define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
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#define PREFETCH(x) __builtin_prefetch(x);
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#define DATA_SYNC() __sync_synchronize()
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#define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
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#define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
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#define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
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#define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
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#define INLINE inline
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#define MEM_ALIGN8 __attribute__ ((aligned (8)))
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#define MEM_ALIGN16 __attribute__ ((aligned (16)))
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#define MEM_ALIGN32 __attribute__ ((aligned (32)))
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#endif /* __ICV_PLATFORM_MACROS_H__ */
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