Changeset 73073 in vbox for trunk/include/iprt/x86.h

Timestamp:

Jul 11, 2018 4:19:48 PM (6 years ago)

Author:

vboxsync

Message:

PGM/DBG: Optimize page scanning to speed up 'detect'.

File:

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

trunk/include/iprt/x86.h

@@ -1697 +1697 @@
 #define X86_PAGE_4M_BASE_MASK_32            0xffc00000U
 
+/** The size of a 1GB page. */
+#define X86_PAGE_1G_SIZE                    _1G
+/** The page shift of a 1GB page. */
+#define X86_PAGE_1G_SHIFT                   30
+/** The 1GB page offset mask. */
+#define X86_PAGE_1G_OFFSET_MASK             0x3fffffff
+/** The 1GB page base mask for virtual addresses. */
+#define X86_PAGE_1G_BASE_MASK               UINT64_C(0xffffffffc0000000)
+
 /**
  * Check if the given address is canonical.