Changeset 108736 in vbox for trunk/include

Timestamp:

Mar 25, 2025 12:37:56 PM (4 weeks ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

168161

Message:

VBox/param.h: Added GUEST_MIN_PAGE_SIZE/OFFSET_MASK/SHIFT and GUEST_MAX_PAGE_SIZE/OFFSET_MASK/SHIFT to better handle configurable page sizes on arm. jiraref:VBP-1598

File:

• trunk/include/VBox/param.h (modified) (2 diffs)

trunk/include/VBox/param.h

@@ -52 +52 @@
  * @{
  */
+
+/** @def GUEST_MIN_PAGE_SIZE
+ * Minimum guest page size.   */
+#define GUEST_MIN_PAGE_SIZE         0x1000
+/** @def GUEST_MIN_PAGE_OFFSET_MASK
+ * Minimum guest page size.
+ * @note If one-complementing this, always put a typecast after the operator! */
+#define GUEST_MIN_PAGE_OFFSET_MASK  0xfff
+/** @def GUEST_MIN_PAGE_SHIFT
+ * Minimum guest page size.   */
+#define GUEST_MIN_PAGE_SHIFT        12
+
+/** @def GUEST_MAX_PAGE_SIZE
+ * Maximum guest page size.   */
+#ifdef VBOX_VMM_TARGET_ARMV8
+# define GUEST_MAX_PAGE_SIZE        0x10000
+#elif defined(VBOX_VMM_TARGET_X86) || defined(DOXYGEN_RUNNING)
+# define GUEST_MAX_PAGE_SIZE        0x1000
+#endif
+/** @def GUEST_MAX_PAGE_OFFSET_MASK
+ * Maximum guest page size.
+ * @note If one-complementing this, always put a typecast after the operator! */
+#ifdef VBOX_VMM_TARGET_ARMV8
+# define GUEST_MAX_PAGE_OFFSET_MASK 0xffff
+#elif defined(VBOX_VMM_TARGET_X86) || defined(DOXYGEN_RUNNING)
+# define GUEST_MAX_PAGE_OFFSET_MASK 0xfff
+#endif
+/** @def GUEST_MAX_PAGE_SHIFT
+ * Maximum guest page size.   */
+#ifdef VBOX_VMM_TARGET_ARMV8
+# define GUEST_MAX_PAGE_SHIFT       16
+#elif defined(VBOX_VMM_TARGET_X86) || defined(DOXYGEN_RUNNING)
+# define GUEST_MAX_PAGE_SHIFT       12
+#endif
 
 /** The guest page size (x86). */
@@ -60 +94 @@
 /** The guest page shift (x86). */
 #define GUEST_PAGE_SHIFT            12
+
 
 /** Host page size. */