Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4cc2f7a84d64d25a16bb9383148c1467284e2356
Commit: 4cc2f7a84d64d25a16bb9383148c1467284e2356
Parent: 431d2cd99f9721ad09f859dc65895f30385cc5c6
Author: Paul Brook <[EMAIL PROTECTED]>
AuthorDate: Thu Dec 28 01:54:16 2006 +0100
Committer: Russell King <[EMAIL PROTECTED]>
CommitDate: Sat Dec 30 17:05:08 2006 +0000
[ARM] 4074/1: Flat loader stack alignment
The ARM EABI requires doubleword (8-byte) stack alignment at all public
entry
points. The patch below makes the bFLT loader honour this.
It's always safe to start with a doubleword aligned stack so it doesn't seem
worth making this conditional on CONFIG_AEABI.
Paul
Signed-off-by: Paul Brook <[EMAIL PROTECTED]>
Signed-off-by: Russell King <[EMAIL PROTECTED]>
---
include/asm-arm/flat.h | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/include/asm-arm/flat.h b/include/asm-arm/flat.h
index 9669464..16f5375 100644
--- a/include/asm-arm/flat.h
+++ b/include/asm-arm/flat.h
@@ -5,7 +5,9 @@
#ifndef __ARM_FLAT_H__
#define __ARM_FLAT_H__
-#define flat_stack_align(sp) /* nothing needed */
+/* An odd number of words will be pushed after this alignment, so
+ deliberately misalign the value. */
+#define flat_stack_align(sp) sp = (void *)(((unsigned long)(sp) - 4)
| 4)
#define flat_argvp_envp_on_stack() 1
#define flat_old_ram_flag(flags) (flags)
#define flat_reloc_valid(reloc, size) ((reloc) <= (size))
-
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