Changeset e1ed831f in mainline

Timestamp:

2011-11-08T23:06:08Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

bc428e2

Parents:

5dd830c

Message:

Partition ia64 kernel memory.

Location:

kernel/arch/ia64

Files:

• include/mm/km.h (modified) (1 diff)
• src/mm/km.c (modified) (1 diff)

kernel/arch/ia64/include/mm/km.h

@@ -36 +36 @@
 #define KERN_ia64_KM_H_
 
+/*
+ * Be conservative and assume the minimal (3 + 51)-bit virtual address width
+ * of the Itanium CPU even if running on CPU with full 64-bit virtual
+ * address width, such as Itanium 2.
+ */
+
+#define KM_IA64_IDENTITY_START          UINT64_C(0xe000000000000000)
+#define KM_IA64_IDENTITY_SIZE           UINT64_C(0x0004000000000000)
+
+#define KM_IA64_NON_IDENTITY_START      UINT64_C(0xfffc000000000000)
+#define KM_IA64_NON_IDENTITY_SIZE       UINT64_C(0x0004000000000000)
+
 extern void km_identity_arch_init(void);
 extern void km_non_identity_arch_init(void);

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

@@ -32 +32 @@
 
 #include <arch/mm/km.h>
+#include <mm/km.h>
+#include <config.h>
 
 void km_identity_arch_init(void)
 {
+        config.identity_base = KM_IA64_IDENTITY_START;
+        config.identity_size = KM_IA64_IDENTITY_SIZE;   
 }
 
 void km_non_identity_arch_init(void)
 {
+        km_non_identity_span_add(KM_IA64_NON_IDENTITY_START,
+            KM_IA64_NON_IDENTITY_SIZE);
 }