Changeset 59e4864 in mainline for kernel/arch/ia64/src/mm/frame.c

Timestamp:

2008-11-11T08:00:42Z (17 years ago)

Author:

Jakub Vana <jakub.vana@…>

Branches:

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

Children:

f3c4a26

Parents:

a2a5529

Message:

Alfa of SMP support on IA64

File:

• kernel/arch/ia64/src/mm/frame.c (modified) (1 diff)

kernel/arch/ia64/src/mm/frame.c

@@ -43 +43 @@
  */
 #define MEMORY_SIZE     (64 * 1024 * 1024)
-#define MEMORY_BASE     (64 * 1024 * 1024)
+#define MEMORY_BASE     (0 * 64 * 1024 * 1024)
+
+#define ONE_TO_ONE_MAPPING_SIZE (256*1048576) // Mapped at start
 
 #define ROM_BASE        0xa0000               //For ski
 #define ROM_SIZE        (384 * 1024)          //For ski
 void poke_char(int x,int y,char ch, char c);
+
+uintptr_t last_frame;
+
 void frame_arch_init(void)
 {
-        zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
+
+        if(config.cpu_active==1)
+        {
+                zone_create(MEMORY_BASE >> FRAME_WIDTH, SIZE2FRAMES(MEMORY_SIZE), (MEMORY_SIZE) >> FRAME_WIDTH, 0);
         
-        /*
-         * Blacklist ROM regions.
-         */
-        frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
-        
+                /*
+                * Blacklist ROM regions.
+                */
+                //frame_mark_unavailable(ADDR2PFN(ROM_BASE), SIZE2FRAMES(ROM_SIZE));
+
+                frame_mark_unavailable(ADDR2PFN(0), SIZE2FRAMES(1048576));
+                last_frame=SIZE2FRAMES((VRN_KERNEL<<VRN_SHIFT)+ONE_TO_ONE_MAPPING_SIZE);        
+        }       
 }