Merge branch 'sata-ahci-dev'

[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 48a19045dbb5b801d5e901856b9c391f8ed4ec81..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))
 
 // 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))
 
 // 除法向下取整
 #define FLOOR(v, k) ((v) >> (k))
 


@@ -52,4 +54,12 @@ panick(const char* msg);
     while (!(cond))                                                            \
         ;
 
     while (!(cond))                                                            \
         ;
 

+#define wait_until_expire(cond, max)                                           \
+    ({                                                                         \
+        unsigned int __wcounter__ = (max);                                     \
+        while (!(cond) && __wcounter__-- > 1)                                  \
+            ;                                                                  \
+        __wcounter__;                                                          \
+    })
+

 #endif /* __LUNAIX_SPIKE_H */
 #endif /* __LUNAIX_SPIKE_H */