update readme

[lunaix-os.git] / lunaix-os / includes / lunaix / spike.h

diff --git a/lunaix-os/includes/lunaix/spike.h b/lunaix-os/includes/lunaix/spike.h
index cbdadfb80d8bd45c3d4d5ed284d05b1fa49a29a6..777a457ae1a0c26a4b7952d7f1c12914841da88c 100644 (file)
--- a/lunaix-os/includes/lunaix/spike.h
+++ b/lunaix-os/includes/lunaix/spike.h
@@ -6,6 +6,8 @@
 // 除法向上取整
 #define CEIL(v, k) (((v) + (1 << (k)) - 1) >> (k))
 
+#define ICEIL(x, y) ((x) / (y) + ((x) % (y) != 0))
+
 // 除法向下取整
 #define FLOOR(v, k) ((v) >> (k))
 
@@ -55,7 +57,7 @@ panick(const char* msg);
 #define wait_until_expire(cond, max)                                           \
     ({                                                                         \
         unsigned int __wcounter__ = (max);                                     \
-        while (!(cond) && __wcounter__-- > 0)                                  \
+        while (!(cond) && __wcounter__-- > 1)                                  \
             ;                                                                  \
         __wcounter__;                                                          \
     })