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authorNicolas Pitre <nicolas.pitre@linaro.org>2011-04-21 21:45:08 -0400
committerNicolas Pitre <nico@fluxnic.net>2011-05-06 23:55:49 -0400
commit3bd2cbb95543acf44fe123eb9f038de54e655eb4 (patch)
tree3997d786c250cef69fc1977f2ab4ad1aba2f8197 /arch/arm/boot/compressed/Makefile
parent0ce790e7d736cedc563e1fb4e998babf5a4dbc3d (diff)
ARM: zImage: make sure the stack is 64-bit aligned
With ARMv5+ and EABI, the compiler expects a 64-bit aligned stack so instructions like STRD and LDRD can be used. Without this, mysterious boot failures were seen semi randomly with the LZMA decompressor. While at it, let's align .bss as well. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Tested-by: Shawn Guo <shawn.guo@linaro.org> Acked-by: Tony Lindgren <tony@atomide.com> CC: stable@kernel.org
Diffstat (limited to 'arch/arm/boot/compressed/Makefile')
-rw-r--r--arch/arm/boot/compressed/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 8ebbb511c78..0c6852d9350 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -74,7 +74,7 @@ ZTEXTADDR := $(CONFIG_ZBOOT_ROM_TEXT)
ZBSSADDR := $(CONFIG_ZBOOT_ROM_BSS)
else
ZTEXTADDR := 0
-ZBSSADDR := ALIGN(4)
+ZBSSADDR := ALIGN(8)
endif
SEDFLAGS = s/TEXT_START/$(ZTEXTADDR)/;s/BSS_START/$(ZBSSADDR)/