Changeset 35f3b8c in mainline for arch/ppc32/include/mm/page.h

Timestamp:

2006-05-18T23:24:40Z (19 years ago)

Author:

Martin Decky <martin@…>

Branches:

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

Children:

c0bc189

Parents:

8424198

Message:

ppc32 work
update framebuffer
get rid of the BAT memory mapping (not finished yet)

File:

• arch/ppc32/include/mm/page.h (modified) (2 diffs)

arch/ppc32/include/mm/page.h

@@ -109 +109 @@
                 (1 << PAGE_READ_SHIFT) |
                 (1 << PAGE_WRITE_SHIFT) |
-                (1 << PAGE_EXEC_SHIFT)
+                (1 << PAGE_EXEC_SHIFT) |
+                (p->g << PAGE_GLOBAL_SHIFT)
         );
 }
@@ -118 +119 @@
         
         p->p = !(flags & PAGE_NOT_PRESENT);
+        p->g = (flags & PAGE_GLOBAL) != 0;
         p->valid = 1;
 }
 
 extern void page_arch_init(void);
+
+#define PHT_BITS        16
+#define PHT_ORDER       4
+
+typedef struct {
+        unsigned v : 1;          /**< Valid */
+        unsigned vsid : 24;      /**< Virtual Segment ID */
+        unsigned h : 1;          /**< Primary/secondary hash */
+        unsigned api : 6;        /**< Abbreviated Page Index */
+        unsigned rpn : 20;       /**< Real Page Number */
+        unsigned reserved0 : 3;
+        unsigned r : 1;          /**< Reference */
+        unsigned c : 1;          /**< Change */
+        unsigned wimg : 4;       /**< Access control */
+        unsigned reserved1 : 1;
+        unsigned pp : 2;         /**< Page protection */
+} phte_t;
+
+extern void pht_refill(bool data, istate_t *istate);
+extern void pht_init(void);
 
 #endif /* __ASM__ */