mirror of
https://github.com/cemu-project/Cemu.git
synced 2024-12-05 15:34:15 +01:00
182 lines
4.6 KiB
C
182 lines
4.6 KiB
C
/******************************************************************************
|
|
*
|
|
* 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
|
|
* ih264_platform_macros.h
|
|
*
|
|
* @brief
|
|
* Platform specific Macro definitions used in the codec
|
|
*
|
|
* @author
|
|
* Ittiam
|
|
*
|
|
* @remarks
|
|
* None
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
#ifndef _IH264_PLATFORM_MACROS_H_
|
|
#define _IH264_PLATFORM_MACROS_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifndef ARMV8
|
|
|
|
static __inline WORD32 CLIP_U8(WORD32 x)
|
|
{
|
|
asm("usat %0, #8, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_S8(WORD32 x)
|
|
{
|
|
asm("ssat %0, #8, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_U10(WORD32 x)
|
|
{
|
|
asm("usat %0, #10, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_S10(WORD32 x)
|
|
{
|
|
asm("ssat %0, #10, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_U11(WORD32 x)
|
|
{
|
|
asm("usat %0, #11, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_S11(WORD32 x)
|
|
{
|
|
asm("ssat %0, #11, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_U12(WORD32 x)
|
|
{
|
|
asm("usat %0, #12, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_S12(WORD32 x)
|
|
{
|
|
asm("ssat %0, #12, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
static __inline WORD32 CLIP_U16(WORD32 x)
|
|
{
|
|
asm("usat %0, #16, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
static __inline WORD32 CLIP_S16(WORD32 x)
|
|
{
|
|
asm("ssat %0, #16, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
|
|
|
|
static __inline UWORD32 ITT_BIG_ENDIAN(UWORD32 x)
|
|
{
|
|
asm("rev %0, %1" : "=r"(x) : "r"(x));
|
|
return x;
|
|
}
|
|
#define NOP(nop_cnt) {UWORD32 nop_i; for (nop_i = 0; nop_i < nop_cnt; nop_i++) asm("nop");}
|
|
|
|
#else
|
|
|
|
#define CLIP_U8(x) CLIP3(0, UINT8_MAX, (x))
|
|
#define CLIP_S8(x) CLIP3(INT8_MIN, INT8_MAX, (x))
|
|
|
|
#define CLIP_U10(x) CLIP3(0, 1023, (x))
|
|
#define CLIP_S10(x) CLIP3(-512, 511, (x))
|
|
|
|
#define CLIP_U11(x) CLIP3(0, 2047, (x))
|
|
#define CLIP_S11(x) CLIP3(-1024, 1023, (x))
|
|
|
|
#define CLIP_U12(x) CLIP3(0, 4095, (x))
|
|
#define CLIP_S12(x) CLIP3(-2048, 2047, (x))
|
|
|
|
#define CLIP_U16(x) CLIP3(0, UINT16_MAX, (x))
|
|
#define CLIP_S16(x) CLIP3(INT16_MIN, INT16_MAX, (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"); \
|
|
}
|
|
|
|
#endif
|
|
|
|
/*saturating instructions are not available for WORD64 in ARMv7, hence we cannot
|
|
* use inline assembly like other clips*/
|
|
#define CLIP_U32(x) CLIP3(0, UINT32_MAX, (x))
|
|
#define CLIP_S32(x) CLIP3(INT32_MIN, INT32_MAX, (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 INLINE inline
|
|
|
|
/* In normal cases, 0 will not be passed as an argument to CLZ and CTZ.
|
|
As CLZ and CTZ outputs are used as a shift value in few places, these return
|
|
31 for u4_word == 0 case, just to handle error cases gracefully without any
|
|
undefined behaviour */
|
|
|
|
static INLINE UWORD32 CLZ(UWORD32 u4_word)
|
|
{
|
|
if(u4_word)
|
|
return (__builtin_clz(u4_word));
|
|
else
|
|
return 31;
|
|
}
|
|
static INLINE UWORD32 CTZ(UWORD32 u4_word)
|
|
{
|
|
if(0 == u4_word)
|
|
return 31;
|
|
else
|
|
{
|
|
unsigned int index;
|
|
index = __builtin_ctz(u4_word);
|
|
return (UWORD32)index;
|
|
}
|
|
}
|
|
|
|
#define MEM_ALIGN8 __attribute__ ((aligned (8)))
|
|
#define MEM_ALIGN16 __attribute__ ((aligned (16)))
|
|
#define MEM_ALIGN32 __attribute__ ((aligned (32)))
|
|
|
|
#endif /* _IH264_PLATFORM_MACROS_H_ */
|