From: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
To: linuxppc-dev list <Linuxppc-dev@ozlabs.org>
Cc: Torez Smith <torez@us.ibm.com>
Subject: [RFC: PATCH 01/13] powerpc/booke: Add Stack Marking support to Booke Exception Prolog
Date: Mon, 1 Mar 2010 12:13:02 -0700 [thread overview]
Message-ID: <20100301191301.20987.70132.sendpatchset@norville.austin.ibm.com> (raw)
In-Reply-To: <20100301191255.20987.84668.sendpatchset@norville.austin.ibm.com>
powerpc/booke: Add Stack Marking support to Booke Exception Prolog
From: Torez Smith <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Torez Smith <lnxtorez@linux.vnet.ibm.com>
Signed-off-by: Dave Kleikamp <shaggy@linux.vnet.ibm.com>
---
arch/powerpc/kernel/head_booke.h | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/arch/powerpc/kernel/head_booke.h b/arch/powerpc/kernel/head_booke.h
index 50504ae..80d47f4 100644
--- a/arch/powerpc/kernel/head_booke.h
+++ b/arch/powerpc/kernel/head_booke.h
@@ -1,6 +1,8 @@
#ifndef __HEAD_BOOKE_H__
#define __HEAD_BOOKE_H__
+#define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773)
+
/*
* Macros used for common Book-e exception handling
*/
@@ -48,6 +50,9 @@
stw r10,0(r11); \
rlwinm r9,r9,0,14,12; /* clear MSR_WE (necessary?) */\
stw r0,GPR0(r11); \
+ lis r10, STACK_FRAME_REGS_MARKER@ha;/* exception frame marker */ \
+ addi r10, r10, STACK_FRAME_REGS_MARKER@l; \
+ stw r10, 8(r11); \
SAVE_4GPRS(3, r11); \
SAVE_2GPRS(7, r11)
--
Dave Kleikamp
IBM Linux Technology Center
next prev parent reply other threads:[~2010-03-01 19:13 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-01 19:12 [RFC: PATCH 00/13] powerpc/47x: Support for 476 core Dave Kleikamp
2010-03-01 12:13 ` [RFC: PATCH 04/13] powerpc/476: add machine check handler for 47x core Dave Kleikamp
2010-03-01 21:08 ` Olof Johansson
2010-03-01 23:22 ` Dave Kleikamp
2010-03-01 19:13 ` Dave Kleikamp [this message]
2010-03-02 14:50 ` [RFC: PATCH 01/13] powerpc/booke: Add Stack Marking support to Booke Exception Prolog Kumar Gala
2010-03-02 15:09 ` Dave Kleikamp
2010-03-01 19:13 ` [RFC: PATCH 02/13] powerpc/44x: break out cpu init code into stand-alone function Dave Kleikamp
2010-03-01 19:13 ` [RFC: PATCH 03/13] powerpc/47x: Base ppc476 support Dave Kleikamp
2010-03-01 20:19 ` Josh Boyer
2010-03-01 23:11 ` Dave Kleikamp
2010-03-02 0:47 ` Josh Boyer
2010-03-01 19:13 ` [RFC: PATCH 05/13] powerpc/476: Add isync after loading mmu and debug spr's Dave Kleikamp
2010-03-01 19:13 ` [RFC: PATCH 07/13] powerpc/47x: defconfig for 476 on the iss 4xx simulator Dave Kleikamp
2010-03-01 19:13 ` [RFC: PATCH 08/13] powerpc/476: define specific cpu table entry for DD1 and DD1.1 cores Dave Kleikamp
2010-03-01 20:24 ` Josh Boyer
2010-03-01 23:43 ` Dave Kleikamp
2010-03-04 17:06 ` Hollis Blanchard
2010-03-05 9:15 ` Kumar Gala
2010-03-05 13:18 ` Dave Kleikamp
2010-03-01 19:13 ` [RFC: PATCH 09/13] powerpc/476: Workaround for dcbf/dcbz workaround on DD1 Dave Kleikamp
2010-03-01 19:14 ` [RFC: PATCH 10/13] powerpc/476: Add isync to the top of all exception handlers for DD1.1 core Dave Kleikamp
2010-03-01 19:14 ` [RFC: PATCH 11/13] powerpc/476: Software workaround to fix dcr read/write sequencing Dave Kleikamp
2010-03-01 19:14 ` [RFC: PATCH 12/13] powerpc/476: Workaround for DD1.1: Issue lwsync after mtpid Dave Kleikamp
2010-03-01 19:14 ` [RFC: PATCH 13/13] powerpc/476: Add dci instruction to async interrupt handlers on DD1 core Dave Kleikamp
2010-03-01 19:16 ` [RFC: PATCH 06/13] powerpc/4xx: Simple platform for the ISS 4xx simulator Dave Kleikamp
2010-03-01 20:29 ` Josh Boyer
2010-03-01 23:33 ` Dave Kleikamp
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