Changeset 1b478f6 in mainline for kernel/arch/ia32

Timestamp:

2011-12-14T23:54:17Z (14 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

c72dc15

Parents:

464a52f

Message:

Add km_is_non_identity().

Location:

kernel/arch/ia32

Files:

• include/mm/km.h (modified) (2 diffs)
• src/mm/km.c (modified) (2 diffs)

kernel/arch/ia32/include/mm/km.h

@@ -36 +36 @@
 #define KERN_ia32_KM_H_
 
+#include <typedefs.h>
+
 #define KM_IA32_IDENTITY_START          UINT32_C(0x80000000)
 #define KM_IA32_IDENTITY_SIZE           UINT32_C(0x40000000)
@@ -44 +46 @@
 extern void km_identity_arch_init(void);
 extern void km_non_identity_arch_init(void);
+extern bool km_is_non_identity_arch(uintptr_t);
 
 #endif

kernel/arch/ia32/src/mm/km.c

@@ -34 +34 @@
 #include <mm/km.h>
 #include <config.h>
+#include <typedefs.h>
+#include <macros.h>
 
 void km_identity_arch_init(void)
@@ -47 +49 @@
 }
 
+bool km_is_non_identity_arch(uintptr_t addr)
+{
+        return iswithin(KM_IA32_NON_IDENTITY_START, KM_IA32_NON_IDENTITY_SIZE,
+            addr, 1);
+}
+
 /** @}
  */