diff options
Diffstat (limited to 'freebsd/sys/sys/libkern.h')
| -rw-r--r-- | freebsd/sys/sys/libkern.h | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/freebsd/sys/sys/libkern.h b/freebsd/sys/sys/libkern.h index c8fcd877..5986a740 100644 --- a/freebsd/sys/sys/libkern.h +++ b/freebsd/sys/sys/libkern.h @@ -10,7 +10,7 @@ * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. - * 4. Neither the name of the University nor the names of its contributors + * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * @@ -53,9 +53,36 @@ extern u_char const bcd2bin_data[]; extern u_char const bin2bcd_data[]; extern char const hex2ascii_data[]; -#define bcd2bin(bcd) (bcd2bin_data[bcd]) -#define bin2bcd(bin) (bin2bcd_data[bin]) -#define hex2ascii(hex) (hex2ascii_data[hex]) +#define LIBKERN_LEN_BCD2BIN 154 +#define LIBKERN_LEN_BIN2BCD 100 +#define LIBKERN_LEN_HEX2ASCII 36 + +static inline u_char +bcd2bin(int bcd) +{ + + KASSERT(bcd >= 0 && bcd < LIBKERN_LEN_BCD2BIN, + ("invalid bcd %d", bcd)); + return (bcd2bin_data[bcd]); +} + +static inline u_char +bin2bcd(int bin) +{ + + KASSERT(bin >= 0 && bin < LIBKERN_LEN_BIN2BCD, + ("invalid bin %d", bin)); + return (bin2bcd_data[bin]); +} + +static inline char +hex2ascii(int hex) +{ + + KASSERT(hex >= 0 && hex < LIBKERN_LEN_HEX2ASCII, + ("invalid hex %d", hex)); + return (hex2ascii_data[hex]); +} static __inline int imax(int a, int b) { return (a > b ? a : b); } static __inline int imin(int a, int b) { return (a < b ? a : b); } @@ -231,6 +258,11 @@ crc32(const void *buf, size_t size) uint32_t calculate_crc32c(uint32_t crc32c, const unsigned char *buffer, unsigned int length); +#ifdef _KERNEL +#if defined(__amd64__) || defined(__i386__) +uint32_t sse42_crc32c(uint32_t, const unsigned char *, unsigned); +#endif +#endif LIBKERN_INLINE void *memset(void *, int, size_t); |