mirror of
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libretro, update libretro-common
This commit is contained in:
kub
parent
8717984c12
commit
b4e7cd1b51
39 changed files with 1767 additions and 738 deletions
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@ -1,4 +1,4 @@
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/* Copyright (C) 2010-2018 The RetroArch team
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/* Copyright (C) 2010-2020 The RetroArch team
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*
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* ---------------------------------------------------------------------------------------
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* The following license statement only applies to this file (retro_endianness.h).
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@ -31,40 +31,97 @@
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#define SWAP16 _byteswap_ushort
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#define SWAP32 _byteswap_ulong
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#else
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#define SWAP16(x) ((uint16_t)( \
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(((uint16_t)(x) & 0x00ff) << 8) | \
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(((uint16_t)(x) & 0xff00) >> 8) \
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))
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#define SWAP32(x) ((uint32_t)( \
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(((uint32_t)(x) & 0x000000ff) << 24) | \
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(((uint32_t)(x) & 0x0000ff00) << 8) | \
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(((uint32_t)(x) & 0x00ff0000) >> 8) | \
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(((uint32_t)(x) & 0xff000000) >> 24) \
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))
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static INLINE uint16_t SWAP16(uint16_t x)
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{
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return ((x & 0x00ff) << 8) |
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((x & 0xff00) >> 8);
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}
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static INLINE uint32_t SWAP32(uint32_t x)
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{
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return ((x & 0x000000ff) << 24) |
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((x & 0x0000ff00) << 8) |
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((x & 0x00ff0000) >> 8) |
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((x & 0xff000000) >> 24);
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}
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#endif
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#if defined(_MSC_VER) && _MSC_VER <= 1200
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#define SWAP64(val) \
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((((uint64_t)(val) & 0x00000000000000ff) << 56) \
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| (((uint64_t)(val) & 0x000000000000ff00) << 40) \
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| (((uint64_t)(val) & 0x0000000000ff0000) << 24) \
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| (((uint64_t)(val) & 0x00000000ff000000) << 8) \
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| (((uint64_t)(val) & 0x000000ff00000000) >> 8) \
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| (((uint64_t)(val) & 0x0000ff0000000000) >> 24) \
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| (((uint64_t)(val) & 0x00ff000000000000) >> 40) \
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| (((uint64_t)(val) & 0xff00000000000000) >> 56))
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static INLINE uint64_t SWAP64(uint64_t val)
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{
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return
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((val & 0x00000000000000ff) << 56)
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| ((val & 0x000000000000ff00) << 40)
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| ((val & 0x0000000000ff0000) << 24)
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| ((val & 0x00000000ff000000) << 8)
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| ((val & 0x000000ff00000000) >> 8)
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| ((val & 0x0000ff0000000000) >> 24)
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| ((val & 0x00ff000000000000) >> 40)
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| ((val & 0xff00000000000000) >> 56);
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}
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#else
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#define SWAP64(val) \
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((((uint64_t)(val) & 0x00000000000000ffULL) << 56) \
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| (((uint64_t)(val) & 0x000000000000ff00ULL) << 40) \
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| (((uint64_t)(val) & 0x0000000000ff0000ULL) << 24) \
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| (((uint64_t)(val) & 0x00000000ff000000ULL) << 8) \
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| (((uint64_t)(val) & 0x000000ff00000000ULL) >> 8) \
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| (((uint64_t)(val) & 0x0000ff0000000000ULL) >> 24) \
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| (((uint64_t)(val) & 0x00ff000000000000ULL) >> 40) \
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| (((uint64_t)(val) & 0xff00000000000000ULL) >> 56))
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static INLINE uint64_t SWAP64(uint64_t val)
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{
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return ((val & 0x00000000000000ffULL) << 56)
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| ((val & 0x000000000000ff00ULL) << 40)
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| ((val & 0x0000000000ff0000ULL) << 24)
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| ((val & 0x00000000ff000000ULL) << 8)
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| ((val & 0x000000ff00000000ULL) >> 8)
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| ((val & 0x0000ff0000000000ULL) >> 24)
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| ((val & 0x00ff000000000000ULL) >> 40)
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| ((val & 0xff00000000000000ULL) >> 56);
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}
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#endif
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#if defined (LSB_FIRST) || defined (MSB_FIRST)
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# warning Defining MSB_FIRST and LSB_FIRST in compile options is deprecated
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# undef LSB_FIRST
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# undef MSB_FIRST
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#endif
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#ifdef _MSC_VER
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/* MSVC pre-defines macros depending on target arch */
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#if defined (_M_IX86) || defined (_M_AMD64) || defined (_M_ARM) || defined (_M_ARM64)
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#define LSB_FIRST 1
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#elif _M_PPC
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#define MSB_FIRST 1
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#else
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/* MSVC can run on _M_ALPHA and _M_IA64 too, but they're both bi-endian; need to find what mode MSVC runs them at */
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#error "unknown platform, can't determine endianness"
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#endif
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#else
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#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
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#define MSB_FIRST 1
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#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define LSB_FIRST 1
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#else
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#error "Invalid endianness macros"
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#endif
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#endif
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#if defined(MSB_FIRST) && defined(LSB_FIRST)
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# error "Bug in LSB_FIRST/MSB_FIRST definition"
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#endif
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#if !defined(MSB_FIRST) && !defined(LSB_FIRST)
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# error "Bug in LSB_FIRST/MSB_FIRST definition"
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#endif
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#ifdef MSB_FIRST
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# define RETRO_IS_BIG_ENDIAN 1
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# define RETRO_IS_LITTLE_ENDIAN 0
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/* For compatibility */
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# define WORDS_BIGENDIAN 1
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#else
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# define RETRO_IS_BIG_ENDIAN 0
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# define RETRO_IS_LITTLE_ENDIAN 1
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/* For compatibility */
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# undef WORDS_BIGENDIAN
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#endif
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/**
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* is_little_endian:
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*
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@ -73,23 +130,7 @@
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* Returns: greater than 0 if little-endian,
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* otherwise big-endian.
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**/
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#if defined(MSB_FIRST)
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#define is_little_endian() (0)
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#define is_little_endian() (1)
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#else
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static INLINE uint8_t is_little_endian(void)
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{
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union
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{
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uint16_t x;
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uint8_t y[2];
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} u;
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u.x = 1;
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return u.y[0];
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}
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#endif
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#define is_little_endian() RETRO_IS_LITTLE_ENDIAN
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/**
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* swap_if_big64:
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@ -101,17 +142,10 @@ static INLINE uint8_t is_little_endian(void)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_big64(val) (SWAP64(val))
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_big64(val) (val)
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#else
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static INLINE uint64_t swap_if_big64(uint64_t val)
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{
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if (is_little_endian())
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return val;
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return SWAP64(val);
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}
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#endif
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/**
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@ -124,17 +158,10 @@ static INLINE uint64_t swap_if_big64(uint64_t val)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_big32(val) (SWAP32(val))
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_big32(val) (val)
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#else
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static INLINE uint32_t swap_if_big32(uint32_t val)
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{
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if (is_little_endian())
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return val;
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return SWAP32(val);
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}
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#endif
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/**
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@ -147,17 +174,10 @@ static INLINE uint32_t swap_if_big32(uint32_t val)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_little64(val) (val)
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_little64(val) (SWAP64(val))
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#else
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static INLINE uint64_t swap_if_little64(uint64_t val)
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{
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if (is_little_endian())
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return SWAP64(val);
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return val;
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}
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#endif
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/**
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@ -170,17 +190,10 @@ static INLINE uint64_t swap_if_little64(uint64_t val)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_little32(val) (val)
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_little32(val) (SWAP32(val))
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#else
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static INLINE uint32_t swap_if_little32(uint32_t val)
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{
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if (is_little_endian())
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return SWAP32(val);
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return val;
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}
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#endif
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/**
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@ -193,17 +206,10 @@ static INLINE uint32_t swap_if_little32(uint32_t val)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_big16(val) (SWAP16(val))
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_big16(val) (val)
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#else
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static INLINE uint16_t swap_if_big16(uint16_t val)
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{
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if (is_little_endian())
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return val;
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return SWAP16(val);
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}
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#endif
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/**
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@ -216,17 +222,10 @@ static INLINE uint16_t swap_if_big16(uint16_t val)
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* otherwise returns same value.
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**/
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#if defined(MSB_FIRST)
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#if RETRO_IS_BIG_ENDIAN
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#define swap_if_little16(val) (val)
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#elif defined(__x86_64) || defined(__i386) || defined(_M_IX86) || defined(_M_X64)
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#elif RETRO_IS_LITTLE_ENDIAN
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#define swap_if_little16(val) (SWAP16(val))
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#else
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static INLINE uint16_t swap_if_little16(uint16_t val)
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{
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if (is_little_endian())
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return SWAP16(val);
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return val;
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}
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#endif
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/**
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@ -255,4 +254,326 @@ static INLINE uint32_t load32be(const uint32_t *addr)
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return swap_if_little32(*addr);
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}
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/**
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* retro_cpu_to_le16:
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* @val : unsigned 16-bit value
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*
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* Convert unsigned 16-bit value from system to little-endian.
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*
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* Returns: Little-endian representation of val.
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**/
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#define retro_cpu_to_le16(val) swap_if_big16(val)
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/**
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* retro_cpu_to_le32:
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* @val : unsigned 32-bit value
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*
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* Convert unsigned 32-bit value from system to little-endian.
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*
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* Returns: Little-endian representation of val.
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**/
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#define retro_cpu_to_le32(val) swap_if_big32(val)
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/**
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* retro_cpu_to_le64:
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* @val : unsigned 64-bit value
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*
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* Convert unsigned 64-bit value from system to little-endian.
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*
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* Returns: Little-endian representation of val.
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**/
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#define retro_cpu_to_le64(val) swap_if_big64(val)
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/**
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* retro_le_to_cpu16:
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* @val : unsigned 16-bit value
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*
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* Convert unsigned 16-bit value from little-endian to native.
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*
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* Returns: Native representation of little-endian val.
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**/
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#define retro_le_to_cpu16(val) swap_if_big16(val)
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/**
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* retro_le_to_cpu32:
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* @val : unsigned 32-bit value
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*
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* Convert unsigned 32-bit value from little-endian to native.
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*
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* Returns: Native representation of little-endian val.
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**/
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#define retro_le_to_cpu32(val) swap_if_big32(val)
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/**
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* retro_le_to_cpu16:
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* @val : unsigned 64-bit value
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*
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* Convert unsigned 64-bit value from little-endian to native.
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*
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* Returns: Native representation of little-endian val.
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**/
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#define retro_le_to_cpu64(val) swap_if_big64(val)
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/**
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* retro_cpu_to_be16:
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* @val : unsigned 16-bit value
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*
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* Convert unsigned 16-bit value from system to big-endian.
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*
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* Returns: Big-endian representation of val.
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**/
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#define retro_cpu_to_be16(val) swap_if_little16(val)
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/**
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* retro_cpu_to_be32:
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* @val : unsigned 32-bit value
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*
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* Convert unsigned 32-bit value from system to big-endian.
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*
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* Returns: Big-endian representation of val.
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**/
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#define retro_cpu_to_be32(val) swap_if_little32(val)
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/**
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* retro_cpu_to_be64:
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* @val : unsigned 64-bit value
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*
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* Convert unsigned 64-bit value from system to big-endian.
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*
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* Returns: Big-endian representation of val.
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**/
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#define retro_cpu_to_be64(val) swap_if_little64(val)
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/**
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* retro_be_to_cpu16:
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* @val : unsigned 16-bit value
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*
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* Convert unsigned 16-bit value from big-endian to native.
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*
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* Returns: Native representation of big-endian val.
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**/
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#define retro_be_to_cpu16(val) swap_if_little16(val)
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/**
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* retro_be_to_cpu32:
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* @val : unsigned 32-bit value
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*
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* Convert unsigned 32-bit value from big-endian to native.
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*
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* Returns: Native representation of big-endian val.
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**/
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#define retro_be_to_cpu32(val) swap_if_little32(val)
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/**
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* retro_be_to_cpu64:
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* @val : unsigned 64-bit value
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*
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* Convert unsigned 64-bit value from big-endian to native.
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*
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* Returns: Native representation of big-endian val.
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**/
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#define retro_be_to_cpu64(val) swap_if_little64(val)
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#ifdef __GNUC__
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/* This attribute means that the same memory may be referred through
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pointers to different size of the object (aliasing). E.g. that u8 *
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and u32 * may actually be pointing to the same object. */
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#define MAY_ALIAS __attribute__((__may_alias__))
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#else
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#define MAY_ALIAS
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#endif
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#pragma pack(push, 1)
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struct retro_unaligned_uint16_s
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{
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uint16_t val;
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} MAY_ALIAS;
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struct retro_unaligned_uint32_s
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{
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uint32_t val;
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} MAY_ALIAS;
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struct retro_unaligned_uint64_s
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{
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uint64_t val;
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} MAY_ALIAS;
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#pragma pack(pop)
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typedef struct retro_unaligned_uint16_s retro_unaligned_uint16_t;
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typedef struct retro_unaligned_uint32_s retro_unaligned_uint32_t;
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typedef struct retro_unaligned_uint64_s retro_unaligned_uint64_t;
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/* L-value references to unaligned pointers. */
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#define retro_unaligned16(p) (((retro_unaligned_uint16_t *)p)->val)
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#define retro_unaligned32(p) (((retro_unaligned_uint32_t *)p)->val)
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#define retro_unaligned64(p) (((retro_unaligned_uint64_t *)p)->val)
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/**
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* retro_get_unaligned_16be:
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* @addr : pointer to unsigned 16-bit value
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*
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* Convert unsigned unaligned 16-bit value from big-endian to native.
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||||
*
|
||||
* Returns: Native representation of big-endian val.
|
||||
**/
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static INLINE uint16_t retro_get_unaligned_16be(void *addr) {
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return retro_be_to_cpu16(retro_unaligned16(addr));
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}
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/**
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* retro_get_unaligned_32be:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
*
|
||||
* Convert unsigned unaligned 32-bit value from big-endian to native.
|
||||
*
|
||||
* Returns: Native representation of big-endian val.
|
||||
**/
|
||||
|
||||
static INLINE uint32_t retro_get_unaligned_32be(void *addr) {
|
||||
return retro_be_to_cpu32(retro_unaligned32(addr));
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_get_unaligned_64be:
|
||||
* @addr : pointer to unsigned 64-bit value
|
||||
*
|
||||
* Convert unsigned unaligned 64-bit value from big-endian to native.
|
||||
*
|
||||
* Returns: Native representation of big-endian val.
|
||||
**/
|
||||
|
||||
static INLINE uint64_t retro_get_unaligned_64be(void *addr) {
|
||||
return retro_be_to_cpu64(retro_unaligned64(addr));
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_get_unaligned_16le:
|
||||
* @addr : pointer to unsigned 16-bit value
|
||||
*
|
||||
* Convert unsigned unaligned 16-bit value from little-endian to native.
|
||||
*
|
||||
* Returns: Native representation of little-endian val.
|
||||
**/
|
||||
|
||||
static INLINE uint16_t retro_get_unaligned_16le(void *addr) {
|
||||
return retro_le_to_cpu16(retro_unaligned16(addr));
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_get_unaligned_32le:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
*
|
||||
* Convert unsigned unaligned 32-bit value from little-endian to native.
|
||||
*
|
||||
* Returns: Native representation of little-endian val.
|
||||
**/
|
||||
|
||||
static INLINE uint32_t retro_get_unaligned_32le(void *addr) {
|
||||
return retro_le_to_cpu32(retro_unaligned32(addr));
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_get_unaligned_64le:
|
||||
* @addr : pointer to unsigned 64-bit value
|
||||
*
|
||||
* Convert unsigned unaligned 64-bit value from little-endian to native.
|
||||
*
|
||||
* Returns: Native representation of little-endian val.
|
||||
**/
|
||||
|
||||
static INLINE uint64_t retro_get_unaligned_64le(void *addr) {
|
||||
return retro_le_to_cpu64(retro_unaligned64(addr));
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_16le:
|
||||
* @addr : pointer to unsigned 16-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 16-bit little-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_16le(void *addr, uint16_t v) {
|
||||
retro_unaligned16(addr) = retro_cpu_to_le16(v);
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_32le:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 32-bit little-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_32le(void *addr, uint32_t v) {
|
||||
retro_unaligned32(addr) = retro_cpu_to_le32(v);
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_32le:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 32-bit little-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_64le(void *addr, uint64_t v) {
|
||||
retro_unaligned64(addr) = retro_cpu_to_le64(v);
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_16be:
|
||||
* @addr : pointer to unsigned 16-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 16-bit big-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_16be(void *addr, uint16_t v) {
|
||||
retro_unaligned16(addr) = retro_cpu_to_be16(v);
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_32be:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 32-bit big-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_32be(void *addr, uint32_t v) {
|
||||
retro_unaligned32(addr) = retro_cpu_to_be32(v);
|
||||
}
|
||||
|
||||
/**
|
||||
* retro_set_unaligned_32be:
|
||||
* @addr : pointer to unsigned 32-bit value
|
||||
* @val : value to store
|
||||
*
|
||||
* Convert native value to unsigned unaligned 32-bit big-endian value
|
||||
*
|
||||
**/
|
||||
|
||||
static INLINE void retro_set_unaligned_64be(void *addr, uint64_t v) {
|
||||
retro_unaligned64(addr) = retro_cpu_to_be64(v);
|
||||
}
|
||||
|
||||
|
||||
#endif
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue