get_pg_addr now correctly handles the kernel large page

git-svn-id: svn://kolibrios.org@3166 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-01-14 09:39:51 +00:00 · 2013-01-14 09:39:51 +00:00 · 9f2e9bf07a
commit 9f2e9bf07a
parent 8819a40f56
1 changed files with 5 additions and 1 deletions
--- a/kernel/trunk/core/memory.inc
+++ b/kernel/trunk/core/memory.inc
@ -606,8 +606,12 @@ update_mem_size:

 align 4
 get_pg_addr:
+        sub     eax, OS_BASE
+        cmp     eax, 0x400000
+        jb      @f
        shr     eax, 12
-        mov     eax, [page_tabs+eax*4]
+        mov     eax, [page_tabs+(eax+(OS_BASE shr 12))*4]
+@@:
        and     eax, 0xFFFFF000
        ret