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Kinetis enet: switch to built-in byte swapper. Depends on GCC __builtin functions

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This commit is contained in:
Andrew Webster 2016-01-21 19:05:51 -06:00 committed by Gregory Nutt
parent d3238e6f95
commit 9d0c378dbc
1 changed files with 7 additions and 0 deletions
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7
arch/arm/src/kinetis/kinetis_enet.c
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@ -200,8 +200,13 @@ static struct kinetis_driver_s g_enet[CONFIG_ENET_NETHIFS];
# define kinesis_swap32(value) (value)
# define kinesis_swap16(value) (value)
#else
#if 0 /* Use builtins if the compiler supports them */
static inline uint32_t kinesis_swap32(uint32_t value);
static inline uint16_t kinesis_swap16(uint16_t value);
#else
# define kinesis_swap32 __builtin_bswap32
# define kinesis_swap16 __builtin_bswap16
#endif
#endif
/* Common TX logic */
@ -261,6 +266,7 @@ static void kinetis_reset(struct kinetis_driver_s *priv);
*
****************************************************************************/
#if 0 /* Use builtins if the compiler supports them */
#ifndef CONFIG_ENDIAN_BIG
static inline uint32_t kinesis_swap32(uint32_t value)
{
@ -288,6 +294,7 @@ static inline uint16_t kinesis_swap16(uint16_t value)
return result;
}
#endif
#endif
/****************************************************************************
* Function: kinetics_txringfull