Changeset a016b63 in mainline for arch/mips32/include/mm/tlb.h

Timestamp:

2005-10-10T20:26:02Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

a783ca4

Parents:

e0cdb7b6

Message:

Small improvement in pte_t type definition.

File:

• arch/mips32/include/mm/tlb.h (modified) (4 diffs)

arch/mips32/include/mm/tlb.h

@@ -31 +31 @@
 
 #include <arch/exception.h>
+#include <typedefs.h>
 
 #define TLB_SIZE        48
@@ -41 +42 @@
 #define PAGE_UNCACHED                   2
 #define PAGE_CACHEABLE_EXC_WRITE        5
+
+typedef union entry_lo entry_lo_t;
+typedef union entry_hi entry_hi_t;
+typedef union page_mask page_mask_t;
+typedef union index tlb_index_t;
 
 union entry_lo {
@@ -54 +60 @@
 };
 
-struct pte {
-        unsigned g : 1;         /* global bit */
-        unsigned v : 1;         /* valid bit */
-        unsigned d : 1;         /* dirty/write-protect bit */
-        unsigned c : 3;         /* cache coherency attribute */
-        unsigned pfn : 24;      /* frame number */
-        unsigned w : 1;         /* writable */
-        unsigned a : 1;         /* accessed */
-} __attribute__ ((packed));
+union pte {
+        entry_lo_t lo;
+        struct {
+                unsigned : 30;
+                unsigned w : 1;         /* writable */
+                unsigned a : 1;         /* accessed */
+        } __attribute__ ((packed));
+};
 
 union entry_hi {
@@ -90 +95 @@
         __u32 value;
 };
-
-typedef union entry_lo entry_lo_t;
-typedef union entry_hi entry_hi_t;
-typedef union page_mask page_mask_t;
-typedef union index tlb_index_t;
 
 /** Probe TLB for Matching Entry