microblaze_mmu_v2: Update process creation for MMU
Signed-off-by: Michal Simek <monstr@monstr.eu>
diff --git a/arch/microblaze/include/asm/segment.h b/arch/microblaze/include/asm/segment.h
index 7f5dcc5..0e7102c 100644
--- a/arch/microblaze/include/asm/segment.h
+++ b/arch/microblaze/include/asm/segment.h
@@ -1,6 +1,6 @@
/*
- * Copyright (C) 2008 Michal Simek
- * Copyright (C) 2008 PetaLogix
+ * Copyright (C) 2008-2009 Michal Simek <monstr@monstr.eu>
+ * Copyright (C) 2008-2009 PetaLogix
* Copyright (C) 2006 Atmark Techno, Inc.
*
* This file is subject to the terms and conditions of the GNU General Public
@@ -11,7 +11,7 @@
#ifndef _ASM_MICROBLAZE_SEGMENT_H
#define _ASM_MICROBLAZE_SEGMENT_H
-#ifndef __ASSEMBLY__
+# ifndef __ASSEMBLY__
typedef struct {
unsigned long seg;
@@ -29,15 +29,21 @@
*
* For non-MMU arch like Microblaze, KERNEL_DS and USER_DS is equal.
*/
-# define KERNEL_DS ((mm_segment_t){0})
+# define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
+
+# ifndef CONFIG_MMU
+# define KERNEL_DS MAKE_MM_SEG(0)
# define USER_DS KERNEL_DS
+# else
+# define KERNEL_DS MAKE_MM_SEG(0xFFFFFFFF)
+# define USER_DS MAKE_MM_SEG(TASK_SIZE - 1)
+# endif
# define get_ds() (KERNEL_DS)
# define get_fs() (current_thread_info()->addr_limit)
-# define set_fs(x) \
- do { current_thread_info()->addr_limit = (x); } while (0)
+# define set_fs(val) (current_thread_info()->addr_limit = (val))
-# define segment_eq(a, b) ((a).seg == (b).seg)
+# define segment_eq(a, b) ((a).seg == (b).seg)
# endif /* __ASSEMBLY__ */
#endif /* _ASM_MICROBLAZE_SEGMENT_H */