Changeset 6854 in vbox for trunk/include/VBox

Timestamp:

Feb 7, 2008 7:24:14 PM (17 years ago)

Author:

vboxsync

Message:

All the new ROM stuff. Had to change PGMROMPAGE a bit to make it easier to work with wrt. mapping.

File:

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

trunk/include/VBox/pgm.h

@@ -289 +289 @@
     PGMROMPROT_READ_RAM_WRITE_IGNORE,
     /** Read from the shadow ROM page, ignore writes.
-     * Map the shadow page read-write, no access handler. */
+     * Map the shadow page read-write, disabled write access handler. */
     PGMROMPROT_READ_RAM_WRITE_RAM,
     /** The end of valid values. */
@@ -296 +296 @@
     PGMROMPROT_32BIT_HACK = 0x7fffffff
 } PGMROMPROT;
+
+/**
+ * Is the ROM mapped (true) or is the shadow RAM mapped (false).
+ *
+ * @returns boolean.
+ * @param   enmProt     The PGMROMPROT value, must be valid.
+ */
+#define PGMROMPROT_IS_ROM(enmProt) \
+    (    (enmProt) == PGMROMPROT_READ_ROM_WRITE_IGNORE \
+      || (enmProt) == PGMROMPROT_READ_ROM_WRITE_RAM )