Changeset 93165be in mainline for generic/include/macros.h

Timestamp:

2006-03-16T23:54:05Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

5fceec7

Parents:

ff14c520

Message:

Add support for more then 2GB of address space for AMD64.

File:

• generic/include/macros.h (modified) (1 diff)

generic/include/macros.h

@@ -40 +40 @@
 #define max(a,b)        ((a)>(b)?(a):(b))
 
+/* Return true if the interlvals overlap */
+static inline int overlaps(__address s1,size_t sz1, __address s2, size_t sz2)
+{
+        __address e1 = s1+sz1;
+        __address e2 = s2+sz2;
+
+        return s1 < e2 && s2 < e1;
+}
+/* Compute overlapping of physical addresses */
+#define PA_overlaps(x,szx,y,szy)  overlaps(KA2PA(x),szx,KA2PA(y), szy)
+
 #endif