diff options
author | Greg Ungerer <gerg@uclinux.org> | 2011-10-14 14:36:41 +1000 |
---|---|---|
committer | Greg Ungerer <gerg@uclinux.org> | 2011-12-30 10:20:20 +1000 |
commit | 2c9b82adb5ea65745d5d73d97bb0e1cc16cba4a0 (patch) | |
tree | 23951a605a1e5fe000010d99312dc79f048bdcb7 | |
parent | 78ccdffc937319f4f7ffc13684c114100c727c21 (diff) |
m68k: add TASK definitions for ColdFires running with MMU
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>
-rw-r--r-- | arch/m68k/include/asm/processor.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/arch/m68k/include/asm/processor.h b/arch/m68k/include/asm/processor.h index 7ec06096a6f..46460fa15d5 100644 --- a/arch/m68k/include/asm/processor.h +++ b/arch/m68k/include/asm/processor.h @@ -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 |