[prev in list] [next in list] [prev in thread] [next in thread] 

List:       microblaze-uclinux
Subject:    [microblaze-uclinux] [PATCH 15/29] microblaze_mmu_v2: Add CURRENT_TASK for entry.S
From:       Michal Simek <monstr () monstr ! eu>
Date:       2009-05-27 6:47:40
Message-ID: 1243406874-3917-16-git-send-email-monstr () monstr ! eu
[Download RAW message or body]

Signed-off-by: Michal Simek <monstr@monstr.eu>
---
 arch/microblaze/include/asm/current.h |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/arch/microblaze/include/asm/current.h b/arch/microblaze/include/asm/current.h
index 8375ea9..29303ed 100644
--- a/arch/microblaze/include/asm/current.h
+++ b/arch/microblaze/include/asm/current.h
@@ -1,4 +1,6 @@
 /*
+ * 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
@@ -9,6 +11,12 @@
 #ifndef _ASM_MICROBLAZE_CURRENT_H
 #define _ASM_MICROBLAZE_CURRENT_H
 
+/*
+ * Register used to hold the current task pointer while in the kernel.
+ * Any `call clobbered' register without a special meaning should be OK,
+ * but check asm/microblaze/kernel/entry.S to be sure.
+ */
+#define CURRENT_TASK	r31
 # ifndef __ASSEMBLY__
 /*
  * Dedicate r31 to keeping the current task pointer
-- 
1.5.5.1

___________________________
microblaze-uclinux mailing list
microblaze-uclinux@itee.uq.edu.au
Project Home Page : http://www.itee.uq.edu.au/~jwilliams/mblaze-uclinux
Mailing List Archive : http://www.itee.uq.edu.au/~listarch/microblaze-uclinux/

[prev in list] [next in list] [prev in thread] [next in thread]