diff options
Diffstat (limited to 'include/common.h')
-rw-r--r-- | include/common.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/common.h b/include/common.h index d5ebb25..ea3e5ed 100644 --- a/include/common.h +++ b/include/common.h @@ -408,6 +408,9 @@ static inline int setenv_addr(const char *varname, const void *addr) #ifdef CONFIG_MIPS # include <asm/u-boot-mips.h> #endif /* CONFIG_MIPS */ +#ifdef CONFIG_ARC +# include <asm/u-boot-arc.h> +#endif /* CONFIG_ARC */ #ifdef CONFIG_AUTO_COMPLETE int env_complete(char *var, int maxv, char *cmdv[], int maxsz, char *buf); @@ -961,6 +964,22 @@ static inline phys_addr_t map_to_sysmem(const void *ptr) #define DIV_ROUND_UP(n,d) (((n) + (d) - 1) / (d)) #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) +/* + * Divide positive or negative dividend by positive divisor and round + * to closest integer. Result is undefined for negative divisors and + * for negative dividends if the divisor variable type is unsigned. + */ +#define DIV_ROUND_CLOSEST(x, divisor)( \ +{ \ + typeof(x) __x = x; \ + typeof(divisor) __d = divisor; \ + (((typeof(x))-1) > 0 || \ + ((typeof(divisor))-1) > 0 || (__x) > 0) ? \ + (((__x) + ((__d) / 2)) / (__d)) : \ + (((__x) - ((__d) / 2)) / (__d)); \ +} \ +) + #define ALIGN(x,a) __ALIGN_MASK((x),(typeof(x))(a)-1) #define __ALIGN_MASK(x,mask) (((x)+(mask))&~(mask)) |