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-rw-r--r--include/common.h19
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))