Changeset 18e0a6c in mainline for arch/ia32/src/mm/page.c

Timestamp:

2005-06-09T23:43:45Z (19 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

74df77d

Parents:

d896525

Message:

Implement several assembler functions in gcc's asm notation instead of in .s or .S file.
Gain both better speed and size.

File:

• arch/ia32/src/mm/page.c (modified) (3 diffs)

arch/ia32/src/mm/page.c

@@ -70 +70 @@
 
                 trap_register(14, page_fault);
-                cpu_write_dba(KA2PA(dba));
+                write_cr3(KA2PA(dba));
         }
         else {
@@ -82 +82 @@
                 dba = frame_alloc(FRAME_KA | FRAME_PANIC);
                 memcopy(bootstrap_dba, dba, PAGE_SIZE);
-                cpu_write_dba(KA2PA(dba));
+                write_cr3(KA2PA(dba));
         }
 
@@ -108 +108 @@
 
         if (root) dba = root;
-        else dba = cpu_read_dba();
+        else dba = read_cr3();
 
         pde = page >> 22;               /* page directory entry */