36 lines
873 B
C
36 lines
873 B
C
|
#ifndef _RISCV_BITS_H
|
||
|
|
#define _RISCV_BITS_H
|
||
|
|
|
||
|
|
#define likely(x) __builtin_expect((x), 1)
|
||
|
|
#define unlikely(x) __builtin_expect((x), 0)
|
||
|
|
|
||
|
|
#define ROUNDUP(a, b) ((((a)-1)/(b)+1)*(b))
|
||
|
|
#define ROUNDDOWN(a, b) ((a)/(b)*(b))
|
||
|
|
|
||
|
|
#define MAX(a, b) ((a) > (b) ? (a) : (b))
|
||
|
|
#define MIN(a, b) ((a) < (b) ? (a) : (b))
|
||
|
|
#define CLAMP(a, lo, hi) MIN(MAX(a, lo), hi)
|
||
|
|
|
||
|
|
#define EXTRACT_FIELD(val, which) (((val) & (which)) / ((which) & ~((which)-1)))
|
||
|
|
#define INSERT_FIELD(val, which, fieldval) (((val) & ~(which)) | ((fieldval) * ((which) & ~((which)-1))))
|
||
|
|
|
||
|
|
#define STR(x) XSTR(x)
|
||
|
|
#define XSTR(x) #x
|
||
|
|
|
||
|
|
#ifdef __riscv64
|
||
|
|
# define SLL32 sllw
|
||
|
|
# define STORE sd
|
||
|
|
# define LOAD ld
|
||
|
|
# define LWU lwu
|
||
|
|
# define LOG_REGBYTES 3
|
||
|
|
#else
|
||
|
|
# define SLL32 sll
|
||
|
|
# define STORE sw
|
||
|
|
# define LOAD lw
|
||
|
|
# define LWU lw
|
||
|
|
# define LOG_REGBYTES 2
|
||
|
|
#endif
|
||
|
|
#define REGBYTES (1 << LOG_REGBYTES)
|
||
|
|
|
||
|
|
#endif
|