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/******************************************************************************
*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*****************************************************************************
* Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
*/
/**
*******************************************************************************
* @file
* icv_platform_macros.h
*
* @brief
* This header files contains all the platform/toolchain specific macros
*
* @author
* Ittiam
*
* @par List of Functions:
*
* @remarks
* None
*
*******************************************************************************
*/
#ifndef __ICV_PLATFORM_MACROS_H__
#define __ICV_PLATFORM_MACROS_H__
static __inline UWORD32 CLZ(UWORD32 u4_word)
{
if(u4_word)
return (__builtin_clz(u4_word));
else
return 32;
}
static __inline UWORD32 CLZNZ(UWORD32 u4_word)
{
ASSERT(u4_word);
return (__builtin_clz(u4_word));
}
#define CLIP_U8(x) ((x) > 255) ? (255) : (((x) < 0) ? (0) : (x))
#define CLIP_S8(x) ((x) > 127) ? (127) : (((x) < -128) ? (-128) : (x))
#define CLIP_U12(x) ((x) > 4095) ? (4095) : (((x) < 0) ? (0) : (x))
#define CLIP_S12(x) ((x) > 2047) ? (2047) : (((x) < -2048) ? (-2048) : (x))
#define CLIP_U16(x) ((x) > 65535) ? (65535) : (((x) < 0) ? (0) : (x))
#define CLIP_S16(x) ((x) > 32767) ? (32767) : (((x) < -32768) ? (-32768) : (x))
#define ITT_BIG_ENDIAN(x) __asm__("rev %0, %1" : "=r"(x) : "r"(x));
#define NOP(nop_cnt) \
{ \
UWORD32 nop_i; \
for (nop_i = 0; nop_i < nop_cnt; nop_i++) \
__asm__ __volatile__("mov x0, x0"); \
}
#define PREFETCH(x) __builtin_prefetch(x);
#define DATA_SYNC() __sync_synchronize()
#define SHL(x,y) (((y) < 32) ? ((x) << (y)) : 0)
#define SHR(x,y) (((y) < 32) ? ((x) >> (y)) : 0)
#define SHR_NEG(val,shift) (((shift) > 0) ? ( (val) >> (shift)) : ((val) << (-(shift))))
#define SHL_NEG(val,shift) (((shift) > 0) ? ( (val) >> (-(shift))) : ((val) << (shift)))
#define MEM_ALIGN8 __attribute__ ((aligned (8)))
#define MEM_ALIGN16 __attribute__ ((aligned (16)))
#define MEM_ALIGN32 __attribute__ ((aligned (32)))
#endif /* __ICV_PLATFORM_MACROS_H__ */
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