From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [PATCH 05/35] m68k: add TASK definitions for ColdFires running with MMU Date: Fri, 16 Dec 2011 22:36:02 +1000 Message-ID: <1324038992-31222-6-git-send-email-gerg@snapgear.com> References: <1324038992-31222-1-git-send-email-gerg@snapgear.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from sncsmrelay2.nai.com ([67.97.80.206]:49359 "EHLO sncsmrelay2.nai.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759110Ab1LPMgi (ORCPT ); Fri, 16 Dec 2011 07:36:38 -0500 In-Reply-To: <1324038992-31222-1-git-send-email-gerg@snapgear.com> Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: linux-m68k@vger.kernel.org, uclinux-dev@uclinux.org Cc: Greg Ungerer From: Greg Ungerer Add appropriate TASK_SIZE and TASK_UNMAPPED_BASE definitions for running on ColdFire V4e cores with MMU enabled. Signed-off-by: Greg Ungerer Acked-by: Geert Uytterhoeven Acked-by: Matt Waddel Acked-by: Kurt Mahan --- 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 7ec0609..46460fa 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 -- 1.7.0.4