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litex/software/include/base/endian.h

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Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
#ifndef __ENDIAN_H
#define __ENDIAN_H
software/include/base: C++ compatibility
2013-03-25 09:38:58 -04:00
#ifdef __cplusplus
extern "C" {
#endif
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
#define __LITTLE_ENDIAN 0
#define __BIG_ENDIAN 1
#define __BYTE_ORDER __BIG_ENDIAN
static inline unsigned int le32toh(unsigned int val)
{
return (val & 0xff) << 24 |
(val & 0xff00) << 8 |
(val & 0xff0000) >> 8 |
(val & 0xff000000) >> 24;
}
static inline unsigned short le16toh(unsigned short val)
{
return (val & 0xff) << 8 |
(val & 0xff00) >> 8;
}
software/include/base: C++ compatibility
2013-03-25 09:38:58 -04:00
#ifdef __cplusplus
}
#endif
Copy some software code from the original Milkymist SoC. Libbase should keep its RAM usage to a minimum as it is meant to be executed before the SDRAM is up and running. (Having lots of code is OK though as we XIP from the flash)
2012-02-03 06:08:17 -05:00
#endif /* __ENDIAN_H */