Changeset 49391 in vbox for trunk/include

Timestamp:

Nov 5, 2013 3:17:27 PM (11 years ago)

Author:

vboxsync

Message:

iprt/x86.h: Added X86_IS_CANONICAL.

File:

• trunk/include/iprt/x86.h (modified) (1 diff)

trunk/include/iprt/x86.h

@@ -1303 +1303 @@
 #define X86_PAGE_4M_BASE_MASK_32            0xffc00000U
 
+/**
+ * Check if the given address is canonical.
+ */
+#define X86_IS_CANONICAL(a_u64Addr)         ((uint64_t)(a_u64Addr) + UINT64_C(0x800000000000) < UINT64_C(0x1000000000000))