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m68k: add TASK definitions for ColdFires running with MMU

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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>
This commit is contained in:
Greg Ungerer 2011-10-14 14:36:41 +10:00
parent 78ccdffc93
commit 2c9b82adb5
1 changed files with 10 additions and 6 deletions
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16
arch/m68k/include/asm/processor.h
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@ -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