m68k: add TASK definitions for ColdFires running with MMU
authorGreg Ungerer <gerg@uclinux.org>
Fri, 14 Oct 2011 04:36:41 +0000 (14:36 +1000)
committerGreg Ungerer <gerg@uclinux.org>
Fri, 30 Dec 2011 00:20:20 +0000 (10:20 +1000)
Add appropriate TASK_SIZE and TASK_UNMAPPED_BASE definitions for running
on ColdFire V4e cores with MMU enabled.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Matt Waddel <mwaddel@yahoo.com>
Acked-by: Kurt Mahan <kmahan@xmission.com>
arch/m68k/include/asm/processor.h

index 7ec06096a6fb3221ed3593d702050e4af60fb716..46460fa15d5cc66cbc68f39a3016b596c03af2ad 100644 (file)
@@ -48,10 +48,12 @@ static inline void wrusp(unsigned long usp)
  * so don't change it unless you know what you are doing.
  */
 #ifdef CONFIG_MMU
-#ifndef CONFIG_SUN3
-#define TASK_SIZE      (0xF0000000UL)
-#else
+#if defined(CONFIG_COLDFIRE)
+#define TASK_SIZE      (0xC0000000UL)
+#elif defined(CONFIG_SUN3)
 #define TASK_SIZE      (0x0E000000UL)
+#else
+#define TASK_SIZE      (0xF0000000UL)
 #endif
 #else
 #define TASK_SIZE      (0xFFFFFFFFUL)
@@ -66,10 +68,12 @@ static inline void wrusp(unsigned long usp)
  * space during mmap's.
  */
 #ifdef CONFIG_MMU
-#ifndef CONFIG_SUN3
-#define TASK_UNMAPPED_BASE     0xC0000000UL
-#else
+#if defined(CONFIG_COLDFIRE)
+#define TASK_UNMAPPED_BASE     0x60000000UL
+#elif defined(CONFIG_SUN3)
 #define TASK_UNMAPPED_BASE     0x0A000000UL
+#else
+#define TASK_UNMAPPED_BASE     0xC0000000UL
 #endif
 #define TASK_UNMAPPED_ALIGN(addr, off) PAGE_ALIGN(addr)
 #else