Changeset fd537a0 in mainline for arch/ia64/include/mm/page.h

Timestamp:

2006-01-15T18:05:11Z (20 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

ae10582

Parents:

4be51c8

Message:

VHPT setup to be able to use ttag and thash instructions

File:

• arch/ia64/include/mm/page.h (modified) (5 diffs)

arch/ia64/include/mm/page.h

@@ -34 +34 @@
 
 #define PAGE_SIZE       FRAME_SIZE
+#define PAGE_WIDTH      FRAME_WIDTH
 
 #define KA2PA(x)        ((__address) (x))
@@ -48 +49 @@
 #define HT_SET_NEXT_ARCH(t, s)
 #define HT_SET_RECORD_ARCH(t, page, asid, frame, flags)
+
+#define REGION_RID_MAIN 0
+#define REGION_RID_FIRST_INVALID 16
+#define REGION_REGISTERS 8
+
+#define VHPT_WIDTH 16         /*64kB*/
+#define VHPT_SIZE (1<<VHPT_WIDTH)
+
+#define VHPT_BASE 0           /* Must be aligned to VHPT_SIZE */
 
 struct VHPT_tag_info
@@ -87 +97 @@
                             /* But I'm almost sure we nead access to whole word so there are both possibilities*/
         /* Word 3 */                                                                                                    
-        unsigned long long next :64;
+        unsigned long long next :64; /* This ignored field will be (in my hopes ;-) ) used as pointer in link list of entries with same hash value*/
         
 }__attribute__ ((packed));
@@ -108 +118 @@
                             /* But I'm almost sure we nead access to whole word so there are both possibilities*/
         /* Word 3 */                                                                                                    
-        unsigned long long next :64;
+        unsigned long long next :64; /* This ignored field will be (in my hopes ;-) ) used as pointer in link list of entries with same hash value*/
         
 }__attribute__ ((packed));
@@ -120 +130 @@
 extern void page_arch_init(void);
 
+
+struct region_register_map
+{
+  unsigned ve            : 1;
+        unsigned r0            : 1;
+        unsigned ps            : 6;
+        unsigned rid           :24;
+        unsigned r1            :32;
+}__attribute__ ((packed));
+
+
+typedef union region_register
+{
+        struct region_register_map   map;
+        unsigned long long           word;
+}region_register;
+
+struct PTA_register_map
+{
+  unsigned ve            : 1;
+        unsigned r0            : 1;
+        unsigned size          : 6;
+        unsigned vf            : 1;
+        unsigned r1            : 6;
+        unsigned long long base:49;
+}__attribute__ ((packed));
+
+
+typedef union PTA_register
+{
+        struct PTA_register_map   map;
+        unsigned long long        word;
+}PTA_register;
+
+
 #endif