| #ifndef STDLIB_H |
| #define STDLIB_H |
| |
| #include <stddef.h> |
| |
| #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
| |
| #define ALIGN(x,a) __ALIGN_MASK(x,(typeof(x))(a)-1UL) |
| #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) |
| #define ALIGN_UP(x,a) ALIGN((x),(a)) |
| #define ALIGN_DOWN(x,a) ((x) & ~((typeof(x))(a)-1UL)) |
| |
| #define MIN(a,b) ((a) < (b) ? (a) : (b)) |
| #define MAX(a,b) ((a) > (b) ? (a) : (b)) |
| #define ABS(a) (((a) < 0) ? (-(a)) : (a)) |
| #define CEIL_DIV(a, b) (((a) + (b) - 1) / (b)) |
| #define IS_POWER_OF_2(x) (((x) & ((x) - 1)) == 0) |
| |
| #define min(a,b) MIN((a),(b)) |
| #define max(a,b) MAX((a),(b)) |
| |
| #if !defined(__PRE_RAM__) |
| void *memalign(size_t boundary, size_t size); |
| void *malloc(size_t size); |
| /* We never free memory */ |
| static inline void free(void *ptr) {} |
| #endif |
| |
| #ifndef __ROMCC__ |
| static inline unsigned long div_round_up(unsigned int n, unsigned int d) |
| { |
| return (n + d - 1) / d; |
| } |
| #endif |
| |
| |
| #endif /* STDLIB_H */ |